Add horizontal scrolling support for HID mouse

PR #6172 <https://github.com/Genymobile/scrcpy/pull/6172>
Fix HID mouse support with SDL precise input
2026-02-24 15:24:28 +01:00 · 2025-06-20 18:31:31 +02:00 · 2025-06-20 18:31:24 +02:00 · 2025-06-20 18:31:17 +02:00
126 changed files with 2348 additions and 3049 deletions
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -72,30 +72,16 @@ jobs:
      - name: Checkout code
        uses: actions/checkout@v4

-        # Same as build-linux-x86_64
      - name: Install dependencies
        run: |
          sudo apt update
-          sudo apt install -y meson ninja-build nasm ffmpeg libavcodec-dev \
-             libavdevice-dev libavformat-dev libavutil-dev libswresample-dev \
-             libusb-1.0-0 libusb-1.0-0-dev libv4l-dev \
-             libasound2-dev libpulse-dev \
-             libaudio-dev libfribidi-dev libjack-dev libsndio-dev libx11-dev libxext-dev \
-             libxrandr-dev libxcursor-dev libxfixes-dev libxi-dev libxss-dev libxtst-dev \
-             libxkbcommon-dev libdrm-dev libgbm-dev libgl1-mesa-dev libgles2-mesa-dev \
-             libegl1-mesa-dev libdbus-1-dev libibus-1.0-dev libudev-dev libthai-dev \
-             libpipewire-0.3-dev libwayland-dev libdecor-0-dev liburing-dev
-
-        # SDL3 is not available in Ubuntu yet
-      - name: Install SDL3
-        run: |
-          app/deps/sdl.sh linux native shared
+          sudo apt install -y meson ninja-build nasm ffmpeg libsdl2-2.0-0 \
+             libsdl2-dev libavcodec-dev libavdevice-dev libavformat-dev \
+             libavutil-dev libswresample-dev libusb-1.0-0 libusb-1.0-0-dev \
+             libv4l-dev

      - name: Test
-        run: |
-          export PKG_CONFIG_PATH="$PWD"/app/deps/work/install/linux-native-shared/lib/pkgconfig
-          export LD_LIBRARY_PATH="$PWD"/app/deps/work/install/linux-native-shared/lib
-          release/test_client.sh
+        run: release/test_client.sh

  build-linux-x86_64:
    runs-on: ubuntu-22.04
@@ -112,19 +98,13 @@ jobs:
      - name: Checkout code
        uses: actions/checkout@v4

-        # https://wiki.libsdl.org/SDL3/README-linux#build-dependencies
      - name: Install dependencies
        run: |
          sudo apt update
-          sudo apt install -y meson ninja-build nasm ffmpeg libavcodec-dev \
-             libavdevice-dev libavformat-dev libavutil-dev libswresample-dev \
-             libusb-1.0-0 libusb-1.0-0-dev libv4l-dev \
-             libasound2-dev libpulse-dev \
-             libaudio-dev libfribidi-dev libjack-dev libsndio-dev libx11-dev libxext-dev \
-             libxrandr-dev libxcursor-dev libxfixes-dev libxi-dev libxss-dev libxtst-dev \
-             libxkbcommon-dev libdrm-dev libgbm-dev libgl1-mesa-dev libgles2-mesa-dev \
-             libegl1-mesa-dev libdbus-1-dev libibus-1.0-dev libudev-dev libthai-dev \
-             libpipewire-0.3-dev libwayland-dev libdecor-0-dev liburing-dev
+          sudo apt install -y meson ninja-build nasm ffmpeg libsdl2-2.0-0 \
+             libsdl2-dev libavcodec-dev libavdevice-dev libavformat-dev \
+             libavutil-dev libswresample-dev libusb-1.0-0 libusb-1.0-0-dev \
+             libv4l-dev

      - name: Build
        run: release/build_linux.sh x86_64
@@ -152,7 +132,9 @@ jobs:
      - name: Install dependencies
        run: |
          sudo apt update
-          sudo apt install -y meson ninja-build nasm \
+          sudo apt install -y meson ninja-build nasm ffmpeg libsdl2-2.0-0 \
+             libsdl2-dev libavcodec-dev libavdevice-dev libavformat-dev \
+             libavutil-dev libswresample-dev libusb-1.0-0 libusb-1.0-0-dev \
             mingw-w64 mingw-w64-tools libz-mingw-w64-dev

      - name: Build
@@ -181,7 +163,9 @@ jobs:
      - name: Install dependencies
        run: |
          sudo apt update
-          sudo apt install -y meson ninja-build nasm \
+          sudo apt install -y meson ninja-build nasm ffmpeg libsdl2-2.0-0 \
+             libsdl2-dev libavcodec-dev libavdevice-dev libavformat-dev \
+             libavutil-dev libswresample-dev libusb-1.0-0 libusb-1.0-0-dev \
             mingw-w64 mingw-w64-tools libz-mingw-w64-dev

      - name: Build
@@ -218,7 +202,8 @@ jobs:

      - name: Install dependencies
        run: |
-            brew install meson nasm libiconv zlib automake autoconf libtool
+            brew install meson ninja nasm libiconv zlib automake autoconf \
+                libtool

      - name: Build
        env:
@@ -245,7 +230,7 @@ jobs:
          path: release/work/build-macos-aarch64/dist-tar/

  build-macos-x86_64:
-    runs-on: macos-15-intel
+    runs-on: macos-13
    steps:
      - name: Check architecture
        run: |
@@ -260,7 +245,7 @@ jobs:
        uses: actions/checkout@v4

      - name: Install dependencies
-        run: brew install meson nasm libiconv zlib automake
+        run: brew install meson ninja nasm libiconv zlib automake
             # autoconf and libtool are already installed on macos-13

      - name: Build
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 source for the project. Do not download releases from random websites, even if
 their name contains `scrcpy`.**

-# scrcpy (v3.3.4)
+# scrcpy (v3.3)

 <img src="app/data/icon.svg" width="128" height="128" alt="scrcpy" align="right" />

@@ -129,7 +129,7 @@ Here are just some common examples.
    scrcpy --otg
    ```

- - Control the device using gamepads plugged into the computer:
+ - Control the device using gamepad controllers plugged into the computer:

    ```bash
    scrcpy --gamepad=uhid
--- a/app/data/bash-completion/scrcpy
+++ b/app/data/bash-completion/scrcpy
@@ -18,8 +18,6 @@ _scrcpy() {
        --camera-fps=
        --camera-high-speed
        --camera-size=
-        --camera-torch
-        --camera-zoom=
        --capture-orientation=
        --crop=
        -d --select-usb
@@ -199,8 +197,6 @@ _scrcpy() {
        |--camera-id \
        |--camera-fps \
        |--camera-size \
-        |--camera-torch \
-        |--camera-zoom \
        |--crop \
        |--display-id \
        |--max-fps \
--- a/app/data/zsh-completion/_scrcpy
+++ b/app/data/zsh-completion/_scrcpy
@@ -25,8 +25,6 @@ arguments=(
    '--camera-facing=[Select the device camera by its facing direction]:facing:(front back external)'
    '--camera-fps=[Specify the camera capture frame rate]'
    '--camera-size=[Specify an explicit camera capture size]'
-    '--camera-torch[Turn on the camera torch when the camera starts]'
-    '--camera-zoom[Specify the camera zoom initial value]'
    '--capture-orientation=[Set the capture video orientation]:orientation:(0 90 180 270 flip0 flip90 flip180 flip270 @0 @90 @180 @270 @flip0 @flip90 @flip180 @flip270)'
    '--crop=[\[width\:height\:x\:y\] Crop the device screen on the server]'
    {-d,--select-usb}'[Use USB device]'
--- a/app/deps/adb_linux.sh
+++ b/app/deps/adb_linux.sh
@@ -1,21 +1,21 @@
 #!/usr/bin/env bash
 set -ex
-. $(dirname ${BASH_SOURCE[0]})/_init "$@"
+DEPS_DIR=$(dirname ${BASH_SOURCE[0]})
+cd "$DEPS_DIR"
+. common

 VERSION=36.0.0
-URL="https://dl.google.com/android/repository/platform-tools_r$VERSION-linux.zip"
+FILENAME=platform-tools_r$VERSION-linux.zip
+PROJECT_DIR=platform-tools-$VERSION-linux
 SHA256SUM=0ead642c943ffe79701fccca8f5f1c69c4ce4f43df2eefee553f6ccb27cbfbe8

-PROJECT_DIR="platform-tools-$VERSION-linux"
-FILENAME="$PROJECT_DIR.zip"
-
 cd "$SOURCES_DIR"

 if [[ -d "$PROJECT_DIR" ]]
 then
    echo "$PWD/$PROJECT_DIR" found
 else
-    get_file "$URL" "$FILENAME" "$SHA256SUM"
+    get_file "https://dl.google.com/android/repository/$FILENAME" "$FILENAME" "$SHA256SUM"
    mkdir -p "$PROJECT_DIR"
    cd "$PROJECT_DIR"
    ZIP_PREFIX=platform-tools
--- a/app/deps/adb_macos.sh
+++ b/app/deps/adb_macos.sh
@@ -1,13 +1,13 @@
 #!/usr/bin/env bash
 set -ex
-. $(dirname ${BASH_SOURCE[0]})/_init "$@"
+DEPS_DIR=$(dirname ${BASH_SOURCE[0]})
+cd "$DEPS_DIR"
+. common

 VERSION=36.0.0
-URL="https://dl.google.com/android/repository/platform-tools_r$VERSION-darwin.zip"
-SHA256SUM=d3e9fa1df3345cf728586908426615a60863d2632f73f1ce14f0f1349ef000fd
-
-PROJECT_DIR="platform-tools-$VERSION-darwin"
-FILENAME="$PROJECT_DIR.zip"
+FILENAME=platform-tools_r$VERSION-darwin.zip
+PROJECT_DIR=platform-tools-$VERSION-darwin
+SHA256SUM=b241878e6ec20650b041bf715ea05f7d5dc73bd24529464bd9cf68946e3132bd

 cd "$SOURCES_DIR"

@@ -15,7 +15,7 @@ if [[ -d "$PROJECT_DIR" ]]
 then
    echo "$PWD/$PROJECT_DIR" found
 else
-    get_file "$URL" "$FILENAME" "$SHA256SUM"
+    get_file "https://dl.google.com/android/repository/$FILENAME" "$FILENAME" "$SHA256SUM"
    mkdir -p "$PROJECT_DIR"
    cd "$PROJECT_DIR"
    ZIP_PREFIX=platform-tools
--- a/app/deps/adb_windows.sh
+++ b/app/deps/adb_windows.sh
@@ -1,13 +1,13 @@
 #!/usr/bin/env bash
 set -ex
-. $(dirname ${BASH_SOURCE[0]})/_init "$@"
+DEPS_DIR=$(dirname ${BASH_SOURCE[0]})
+cd "$DEPS_DIR"
+. common

 VERSION=36.0.0
-URL="https://dl.google.com/android/repository/platform-tools_r$VERSION-win.zip"
-SHA256SUM=12c2841f354e92a0eb2fd7bf6f0f9bf8538abce7bd6b060ac8349d6f6a61107c
-
-PROJECT_DIR="platform-tools-$VERSION-windows"
-FILENAME="$PROJECT_DIR.zip"
+FILENAME=platform-tools_r$VERSION-win.zip
+PROJECT_DIR=platform-tools-$VERSION-windows
+SHA256SUM=24bd8bebbbb58b9870db202b5c6775c4a49992632021c60750d9d8ec8179d5f0

 cd "$SOURCES_DIR"

@@ -15,7 +15,7 @@ if [[ -d "$PROJECT_DIR" ]]
 then
    echo "$PWD/$PROJECT_DIR" found
 else
-    get_file "$URL" "$FILENAME" "$SHA256SUM"
+    get_file "https://dl.google.com/android/repository/$FILENAME" "$FILENAME" "$SHA256SUM"
    mkdir -p "$PROJECT_DIR"
    cd "$PROJECT_DIR"
    ZIP_PREFIX=platform-tools
--- a/app/deps/common
+++ b/app/deps/common
@@ -1,9 +1,10 @@
+#!/usr/bin/env bash
 # This file is intended to be sourced by other scripts, not executed

 process_args() {
    if [[ $# != 3 ]]
    then
-        # <host>: linux, macos, win32 or win64
+        # <host>: win32 or win64
        # <build_type>: native or cross
        # <link_type>: static or shared
        echo "Syntax: $0 <host> <build_type> <link_type>" >&2
@@ -11,8 +12,8 @@ process_args() {
    fi

    HOST="$1"
-    BUILD_TYPE="$2"
-    LINK_TYPE="$3"
+    BUILD_TYPE="$2" # native or cross
+    LINK_TYPE="$3" # static or shared
    DIRNAME="$HOST-$BUILD_TYPE-$LINK_TYPE"

    if [[ "$BUILD_TYPE" != native && "$BUILD_TYPE" != cross ]]
--- a/app/deps/dav1d.sh
+++ b/app/deps/dav1d.sh
@@ -1,22 +1,22 @@
 #!/usr/bin/env bash
 set -ex
-. $(dirname ${BASH_SOURCE[0]})/_init
+DEPS_DIR=$(dirname ${BASH_SOURCE[0]})
+cd "$DEPS_DIR"
+. common
 process_args "$@"

 VERSION=1.5.0
-URL="https://code.videolan.org/videolan/dav1d/-/archive/$VERSION/dav1d-$VERSION.tar.gz"
+FILENAME=dav1d-$VERSION.tar.gz
+PROJECT_DIR=dav1d-$VERSION
 SHA256SUM=78b15d9954b513ea92d27f39362535ded2243e1b0924fde39f37a31ebed5f76b

-PROJECT_DIR="dav1d-$VERSION"
-FILENAME="$PROJECT_DIR.tar.gz"
-
 cd "$SOURCES_DIR"

 if [[ -d "$PROJECT_DIR" ]]
 then
    echo "$PWD/$PROJECT_DIR" found
 else
-    get_file "$URL" "$FILENAME" "$SHA256SUM"
+    get_file "https://code.videolan.org/videolan/dav1d/-/archive/$VERSION/$FILENAME" "$FILENAME" "$SHA256SUM"
    tar xf "$FILENAME"  # First level directory is "$PROJECT_DIR"
 fi

--- a/app/deps/ffmpeg.sh
+++ b/app/deps/ffmpeg.sh
@@ -1,22 +1,22 @@
 #!/usr/bin/env bash
 set -ex
-. $(dirname ${BASH_SOURCE[0]})/_init
+DEPS_DIR=$(dirname ${BASH_SOURCE[0]})
+cd "$DEPS_DIR"
+. common
 process_args "$@"

 VERSION=7.1.1
-URL="https://ffmpeg.org/releases/ffmpeg-$VERSION.tar.xz"
+FILENAME=ffmpeg-$VERSION.tar.xz
+PROJECT_DIR=ffmpeg-$VERSION
 SHA256SUM=733984395e0dbbe5c046abda2dc49a5544e7e0e1e2366bba849222ae9e3a03b1

-PROJECT_DIR="ffmpeg-$VERSION"
-FILENAME="$PROJECT_DIR.tar.xz"
-
 cd "$SOURCES_DIR"

 if [[ -d "$PROJECT_DIR" ]]
 then
    echo "$PWD/$PROJECT_DIR" found
 else
-    get_file "$URL" "$FILENAME" "$SHA256SUM"
+    get_file "https://ffmpeg.org/releases/$FILENAME" "$FILENAME" "$SHA256SUM"
    tar xf "$FILENAME"  # First level directory is "$PROJECT_DIR"
 fi

--- a/app/deps/libusb.sh
+++ b/app/deps/libusb.sh
@@ -1,22 +1,22 @@
 #!/usr/bin/env bash
 set -ex
-. $(dirname ${BASH_SOURCE[0]})/_init
+DEPS_DIR=$(dirname ${BASH_SOURCE[0]})
+cd "$DEPS_DIR"
+. common
 process_args "$@"

 VERSION=1.0.29
-URL="https://github.com/libusb/libusb/archive/refs/tags/v$VERSION.tar.gz"
+FILENAME=libusb-$VERSION.tar.gz
+PROJECT_DIR=libusb-$VERSION
 SHA256SUM=7c2dd39c0b2589236e48c93247c986ae272e27570942b4163cb00a060fcf1b74

-PROJECT_DIR="libusb-$VERSION"
-FILENAME="$PROJECT_DIR.tar.gz"
-
 cd "$SOURCES_DIR"

 if [[ -d "$PROJECT_DIR" ]]
 then
    echo "$PWD/$PROJECT_DIR" found
 else
-    get_file "$URL" "$FILENAME" "$SHA256SUM"
+    get_file "https://github.com/libusb/libusb/archive/refs/tags/v$VERSION.tar.gz" "$FILENAME" "$SHA256SUM"
    tar xf "$FILENAME"  # First level directory is "$PROJECT_DIR"
 fi

--- a/app/deps/sdl.sh
+++ b/app/deps/sdl.sh
@@ -1,14 +1,14 @@
 #!/usr/bin/env bash
 set -ex
-. $(dirname ${BASH_SOURCE[0]})/_init
+DEPS_DIR=$(dirname ${BASH_SOURCE[0]})
+cd "$DEPS_DIR"
+. common
 process_args "$@"

-VERSION=3.4.0
-URL="https://github.com/libsdl-org/SDL/archive/refs/tags/release-$VERSION.tar.gz"
-SHA256SUM=9614b9696abc4597ffce6b888829dc6537ae500423474c342ac4a67222c5654c
-
-PROJECT_DIR="sdl-$VERSION"
-FILENAME="$PROJECT_DIR.tar.gz"
+VERSION=2.32.8
+FILENAME=SDL-$VERSION.tar.gz
+PROJECT_DIR=SDL-release-$VERSION
+SHA256SUM=dd35e05644ae527848d02433bec24dd0ea65db59faecf1a0e5d1880c533dac2c

 cd "$SOURCES_DIR"

@@ -16,9 +16,8 @@ if [[ -d "$PROJECT_DIR" ]]
 then
    echo "$PWD/$PROJECT_DIR" found
 else
-    get_file "$URL" "$FILENAME" "$SHA256SUM"
-    tar xf "$FILENAME"  # First level directory is "SDL-release-$VERSION"
-    mv "SDL-release-$VERSION" "$PROJECT_DIR"
+    get_file "https://github.com/libsdl-org/SDL/archive/refs/tags/release-$VERSION.tar.gz" "$FILENAME" "$SHA256SUM"
+    tar xf "$FILENAME"  # First level directory is "$PROJECT_DIR"
 fi

 mkdir -p "$BUILD_DIR/$PROJECT_DIR"
@@ -29,56 +28,52 @@ export CXXFLAGS="$CFLAGS"

 if [[ -d "$DIRNAME" ]]
 then
-    echo "'$PWD/$DIRNAME' already exists, not reconfigured"
+    echo "'$PWD/$HDIRNAME' already exists, not reconfigured"
    cd "$DIRNAME"
 else
    mkdir "$DIRNAME"
    cd "$DIRNAME"

    conf=(
-        -DCMAKE_INSTALL_PREFIX="$INSTALL_DIR/$DIRNAME"
-        -DSDL_TESTS=OFF
+        --prefix="$INSTALL_DIR/$DIRNAME"
    )

    if [[ "$HOST" == linux ]]
    then
        conf+=(
-            -DSDL_WAYLAND=ON
-            -DSDL_X11=ON
+            --enable-video-wayland
+            --enable-video-x11
        )
    fi

    if [[ "$LINK_TYPE" == static ]]
    then
        conf+=(
-            -DBUILD_SHARED_LIBS=OFF
+            --enable-static
+            --disable-shared
        )
    else
        conf+=(
-            -DBUILD_SHARED_LIBS=ON
+            --disable-static
+            --enable-shared
        )
    fi

    if [[ "$BUILD_TYPE" == cross ]]
    then
-        if [[ "$HOST" = win32 ]]
-        then
-            TOOLCHAIN_FILENAME="cmake-toolchain-mingw64-i686.cmake"
-        elif [[ "$HOST" = win64 ]]
-        then
-            TOOLCHAIN_FILENAME="cmake-toolchain-mingw64-x86_64.cmake"
-        else
-            echo "Unsupported cross-build to host: $HOST" >&2
-            exit 1
-        fi
-
        conf+=(
-            -DCMAKE_TOOLCHAIN_FILE="$SOURCES_DIR/$PROJECT_DIR/build-scripts/$TOOLCHAIN_FILENAME"
+            --host="$HOST_TRIPLET"
        )
    fi

-    cmake "$SOURCES_DIR/$PROJECT_DIR" "${conf[@]}"
+    "$SOURCES_DIR/$PROJECT_DIR"/configure "${conf[@]}"
 fi

-cmake --build .
-cmake --install .
+make -j
+# There is no "make install-strip"
+make install
+# Strip manually
+if [[ "$LINK_TYPE" == shared && "$HOST" == win* ]]
+then
+    ${HOST_TRIPLET}-strip "$INSTALL_DIR/$DIRNAME/bin/SDL2.dll"
+fi
--- a/app/meson.build
+++ b/app/meson.build
@@ -15,6 +15,7 @@ src = [
    'src/delay_buffer.c',
    'src/demuxer.c',
    'src/device_msg.c',
+    'src/display.c',
    'src/events.c',
    'src/icon.c',
    'src/file_pusher.c',
@@ -32,7 +33,6 @@ src = [
    'src/scrcpy.c',
    'src/screen.c',
    'src/server.c',
-    'src/texture.c',
    'src/version.c',
    'src/hid/hid_gamepad.c',
    'src/hid/hid_keyboard.c',
@@ -57,7 +57,6 @@ src = [
    'src/util/process.c',
    'src/util/process_intr.c',
    'src/util/rand.c',
-    'src/util/sdl.c',
    'src/util/strbuf.c',
    'src/util/str.c',
    'src/util/term.c',
@@ -75,7 +74,6 @@ conf.set('_GNU_SOURCE', true)
 if host_machine.system() == 'windows'
    windows = import('windows')
    src += [
-        'src/util/command.c',
        'src/sys/win/file.c',
        'src/sys/win/process.c',
        windows.compile_resources('scrcpy-windows.rc'),
@@ -105,6 +103,7 @@ if usb_support
        'src/usb/keyboard_aoa.c',
        'src/usb/mouse_aoa.c',
        'src/usb/scrcpy_otg.c',
+        'src/usb/screen_otg.c',
        'src/usb/usb.c',
    ]
 endif
@@ -118,7 +117,7 @@ dependencies = [
    dependency('libavcodec', version: '>= 57.37', static: static),
    dependency('libavutil', static: static),
    dependency('libswresample', static: static),
-    dependency('sdl3', version: '>= 3.2.0', static: static),
+    dependency('sdl2', version: '>= 2.0.5', static: static),
 ]

 if v4l2_support
@@ -239,12 +238,6 @@ if get_option('buildtype') == 'debug'
            'src/util/strbuf.c',
            'src/util/term.c',
        ]],
-        ['test_command_windows', [
-          'tests/test_command_windows.c',
-          'src/util/command.c',
-          'src/util/str.c',
-          'src/util/strbuf.c',
-        ]],
        ['test_control_msg_serialize', [
            'tests/test_control_msg_serialize.c',
            'src/control_msg.c',
@@ -282,7 +275,7 @@ if get_option('buildtype') == 'debug'
        exe = executable(t[0], sources,
                         include_directories: src_dir,
                         dependencies: dependencies,
-                         c_args: ['-DSC_TEST'])
+                         c_args: ['-DSDL_MAIN_HANDLED', '-DSC_TEST'])
        test(t[0], exe)
    endforeach
 endif
--- a/app/scrcpy-windows.rc
+++ b/app/scrcpy-windows.rc
@@ -13,7 +13,7 @@ BEGIN
      VALUE "LegalCopyright", "Romain Vimont, Genymobile"
      VALUE "OriginalFilename", "scrcpy.exe"
      VALUE "ProductName", "scrcpy"
-      VALUE "ProductVersion", "3.3.4"
+      VALUE "ProductVersion", "3.3"
    END
  END
  BLOCK "VarFileInfo"
--- a/app/scrcpy.1
+++ b/app/scrcpy.1
@@ -131,14 +131,6 @@ The available camera ids can be listed by \fB\-\-list\-cameras\fR.
 .BI "\-\-camera\-size " width\fRx\fIheight
 Specify an explicit camera capture size.

-.TP
-.BI \-\-camera\-torch
-Turn on the camera torch when the camera starts.
-
-.TP
-.BI "\-\-camera-zoom " zoom
-Specify the camera zoom initial value.
-
 .TP
 .BI "\-\-capture\-orientation " value
 Possible values are 0, 90, 180, 270, flip0, flip90, flip180 and flip270, possibly prefixed by '@'.
@@ -823,22 +815,6 @@ Install APK from computer
 .B Drag & drop non-APK file
 Push file to device (see \fB\-\-push\-target\fR)

-.TP
-.B MOD+t
-Turn on the camera torch (camera mode only)
-
-.TP
-.B MOD+Shift+t
-Turn off the camera torch (camera mode only)
-
-.TP
-.B MOD+Up
-Zoom camera in (camera mode only)
-
-.TP
-.B MOD+Down
-Zoom camera out (camera mode only)
-

 .SH Environment variables

--- a/app/src/adb/adb.c
+++ b/app/src/adb/adb.c
@@ -103,7 +103,7 @@ argv_to_string(const char *const *argv, char *buf, size_t bufsize) {

 static void
 show_adb_installation_msg(void) {
-#ifndef _WIN32
+#ifndef __WINDOWS__
    static const struct {
        const char *binary;
        const char *command;
@@ -331,24 +331,56 @@ sc_adb_reverse_remove(struct sc_intr *intr, const char *serial,
 bool
 sc_adb_push(struct sc_intr *intr, const char *serial, const char *local,
            const char *remote, unsigned flags) {
+#ifdef __WINDOWS__
+    // Windows will parse the string, so the paths must be quoted
+    // (see sys/win/command.c)
+    local = sc_str_quote(local);
+    if (!local) {
+        return SC_PROCESS_NONE;
+    }
+    remote = sc_str_quote(remote);
+    if (!remote) {
+        free((void *) local);
+        return SC_PROCESS_NONE;
+    }
+#endif
+
    assert(serial);
    const char *const argv[] =
        SC_ADB_COMMAND("-s", serial, "push", local, remote);

    sc_pid pid = sc_adb_execute(argv, flags);

+#ifdef __WINDOWS__
+    free((void *) remote);
+    free((void *) local);
+#endif
+
    return process_check_success_intr(intr, pid, "adb push", flags);
 }

 bool
 sc_adb_install(struct sc_intr *intr, const char *serial, const char *local,
               unsigned flags) {
+#ifdef __WINDOWS__
+    // Windows will parse the string, so the local name must be quoted
+    // (see sys/win/command.c)
+    local = sc_str_quote(local);
+    if (!local) {
+        return SC_PROCESS_NONE;
+    }
+#endif
+
    assert(serial);
    const char *const argv[] =
        SC_ADB_COMMAND("-s", serial, "install", "-r", local);

    sc_pid pid = sc_adb_execute(argv, flags);

+#ifdef __WINDOWS__
+    free((void *) local);
+#endif
+
    return process_check_success_intr(intr, pid, "adb install", flags);
 }

--- a/app/src/audio_player.c
+++ b/app/src/audio_player.c
@@ -1,40 +1,23 @@
 #include "audio_player.h"

 #include "util/log.h"
-#include "SDL3/SDL_hints.h"

 /** Downcast frame_sink to sc_audio_player */
 #define DOWNCAST(SINK) container_of(SINK, struct sc_audio_player, frame_sink)

-#define SC_SDL_SAMPLE_FMT SDL_AUDIO_F32LE
+#define SC_SDL_SAMPLE_FMT AUDIO_F32

 static void SDLCALL
-sc_audio_player_stream_callback(void *userdata, SDL_AudioStream *stream,
-                                int additional_amount, int total_amount) {
-    (void) total_amount;
-
+sc_audio_player_sdl_callback(void *userdata, uint8_t *stream, int len_int) {
    struct sc_audio_player *ap = userdata;

-    size_t len = additional_amount;
+    assert(len_int > 0);
+    size_t len = len_int;
+
    assert(len % ap->audioreg.sample_size == 0);
+    uint32_t out_samples = len / ap->audioreg.sample_size;

-    // The requested amount may exceed the internal aout_buffer size.
-    // In this (unlikely) case, send the data to the stream in multiple chunks.
-    while (len) {
-        size_t chunk_size = MIN(ap->aout_buffer_size, len);
-        uint32_t out_samples = chunk_size / ap->audioreg.sample_size;
-        sc_audio_regulator_pull(&ap->audioreg, ap->aout_buffer,
-                                out_samples);
-
-        assert(chunk_size <= len);
-        len -= chunk_size;
-        bool ok =
-            SDL_PutAudioStreamData(stream, ap->aout_buffer, chunk_size);
-        if (!ok) {
-            LOGW("Audio stream error: %s", SDL_GetError());
-            return;
-        }
-    }
+    sc_audio_regulator_pull(&ap->audioreg, stream, out_samples);
 }

 static bool
@@ -47,10 +30,7 @@ sc_audio_player_frame_sink_push(struct sc_frame_sink *sink,

 static bool
 sc_audio_player_frame_sink_open(struct sc_frame_sink *sink,
-                                const AVCodecContext *ctx,
-                                const struct sc_stream_session *session) {
-    (void) session;
-
+                                const AVCodecContext *ctx) {
    struct sc_audio_player *ap = DOWNCAST(sink);

 #ifdef SCRCPY_LAVU_HAS_CHLAYOUT
@@ -81,54 +61,33 @@ sc_audio_player_frame_sink_open(struct sc_frame_sink *sink,
                                                       / SC_TICK_FREQ;
    assert(aout_samples <= 0xFFFF);

-    char str[5 + 1]; // max 65535
-    int r = snprintf(str, sizeof(str), "%" PRIu16, (uint16_t) aout_samples);
-    assert(r >= 0 && (size_t) r < sizeof(str));
-    (void) r;
-    if (!SDL_SetHint(SDL_HINT_AUDIO_DEVICE_SAMPLE_FRAMES, str)) {
-        LOGE("Could not set audio output buffer");
-        sc_audio_regulator_destroy(&ap->audioreg);
-        return false;
-    }
-
-    // Make the buffer at least 1024 samples long (the hint is not always
-    // honored)
-    uint64_t aout_buffer_samples = MAX(1024, aout_samples);
-    ap->aout_buffer_size = aout_buffer_samples * sample_size;
-    ap->aout_buffer = malloc(ap->aout_buffer_size);
-    if (!ap->aout_buffer) {
-        sc_audio_regulator_destroy(&ap->audioreg);
-        return false;
-    }
-
-    SDL_AudioSpec spec = {
+    SDL_AudioSpec desired = {
        .freq = ctx->sample_rate,
        .format = SC_SDL_SAMPLE_FMT,
        .channels = nb_channels,
+        .samples = aout_samples,
+        .callback = sc_audio_player_sdl_callback,
+        .userdata = ap,
    };
+    SDL_AudioSpec obtained;

-    ap->stream = SDL_OpenAudioDeviceStream(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK,
-                                           &spec,
-                                           sc_audio_player_stream_callback, ap);
-    if (!ap->stream) {
+    ap->device = SDL_OpenAudioDevice(NULL, 0, &desired, &obtained, 0);
+    if (!ap->device) {
        LOGE("Could not open audio device: %s", SDL_GetError());
-        free(ap->aout_buffer);
        sc_audio_regulator_destroy(&ap->audioreg);
        return false;
    }

-    ap->device = SDL_GetAudioStreamDevice(ap->stream);
-    assert(ap->device);
-
-    ok = SDL_ResumeAudioDevice(ap->device);
+    // The thread calling open() is the thread calling push(), which fills the
+    // audio buffer consumed by the SDL audio thread.
+    ok = sc_thread_set_priority(SC_THREAD_PRIORITY_TIME_CRITICAL);
    if (!ok) {
-        LOGE("Could not resume audio device: %s", SDL_GetError());
-        SDL_DestroyAudioStream(ap->stream);
-        free(ap->aout_buffer);
-        sc_audio_regulator_destroy(&ap->audioreg);
-        return false;
+        ok = sc_thread_set_priority(SC_THREAD_PRIORITY_HIGH);
+        (void) ok; // We don't care if it worked, at least we tried
    }

+    SDL_PauseAudioDevice(ap->device, 0);
+
    return true;
 }

@@ -136,16 +95,11 @@ static void
 sc_audio_player_frame_sink_close(struct sc_frame_sink *sink) {
    struct sc_audio_player *ap = DOWNCAST(sink);

-    assert(ap->stream);
    assert(ap->device);
-    SDL_PauseAudioDevice(ap->device);
-
-    // ap->device is owned by ap->stream
-    SDL_DestroyAudioStream(ap->stream);
+    SDL_PauseAudioDevice(ap->device, 1);
+    SDL_CloseAudioDevice(ap->device);

    sc_audio_regulator_destroy(&ap->audioreg);
-
-    free(ap->aout_buffer);
 }

 void
--- a/app/src/audio_player.h
+++ b/app/src/audio_player.h
@@ -3,7 +3,7 @@

 #include "common.h"

-#include <SDL3/SDL_audio.h>
+#include <SDL2/SDL_audio.h>

 #include "audio_regulator.h"
 #include "trait/frame_sink.h"
@@ -22,11 +22,7 @@ struct sc_audio_player {
    // SDL audio output buffer size
    sc_tick output_buffer_duration;

-    uint8_t *aout_buffer;
-    size_t aout_buffer_size;
-
-    SDL_AudioStream *stream;
-    SDL_AudioDeviceID device; // owned by the audio stream
+    SDL_AudioDeviceID device;
    struct sc_audio_regulator audioreg;
 };

--- a/app/src/cli.c
+++ b/app/src/cli.c
@@ -114,8 +114,6 @@ enum {
    OPT_NO_VD_SYSTEM_DECORATIONS,
    OPT_NO_VD_DESTROY_CONTENT,
    OPT_DISPLAY_IME_POLICY,
-    OPT_CAMERA_TORCH,
-    OPT_CAMERA_ZOOM,
 };

 struct sc_option {
@@ -315,17 +313,6 @@ static const struct sc_option options[] = {
        .argdesc = "<width>x<height>",
        .text = "Specify an explicit camera capture size.",
    },
-    {
-        .longopt_id = OPT_CAMERA_TORCH,
-        .longopt = "camera-torch",
-        .text = "Turn on the camera torch when the camera starts.",
-    },
-    {
-        .longopt_id = OPT_CAMERA_ZOOM,
-        .longopt = "camera-zoom",
-        .argdesc = "zoom",
-        .text = "Specify the camera zoom initial value.",
-    },
    {
        .longopt_id = OPT_CAPTURE_ORIENTATION,
        .longopt = "capture-orientation",
@@ -1220,22 +1207,6 @@ static const struct sc_shortcut shortcuts[] = {
        .shortcuts = { "Drag & drop non-APK file" },
        .text = "Push file to device (see --push-target)",
    },
-    {
-        .shortcuts = { "MOD+t" },
-        .text = "Turn on the camera torch (camera mode only)",
-    },
-    {
-        .shortcuts = { "MOD+Shift+t" },
-        .text = "Turn off the camera torch (camera mode only)",
-    },
-    {
-        .shortcuts = { "MOD+Up" },
-        .text = "Zoom camera in (camera mode only)",
-    },
-    {
-        .shortcuts = { "MOD+Down" },
-        .text = "Zoom camera out (camera mode only)",
-    },
 };

 static const struct sc_envvar envvars[] = {
@@ -2809,12 +2780,6 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
            case OPT_CAMERA_HIGH_SPEED:
                opts->camera_high_speed = true;
                break;
-            case OPT_CAMERA_TORCH:
-                opts->camera_torch = true;
-                break;
-            case OPT_CAMERA_ZOOM:
-                opts->camera_zoom = optarg;
-                break;
            case OPT_NO_WINDOW:
                opts->window = false;
                break;
@@ -2963,7 +2928,7 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
    }
 #endif

-    if (opts->control && opts->video_source == SC_VIDEO_SOURCE_DISPLAY) {
+    if (opts->control) {
        if (opts->keyboard_input_mode == SC_KEYBOARD_INPUT_MODE_AUTO) {
            opts->keyboard_input_mode = otg ? SC_KEYBOARD_INPUT_MODE_AOA
                                            : SC_KEYBOARD_INPUT_MODE_SDK;
@@ -3141,10 +3106,8 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
        }

        if (opts->control) {
-            // Disable all inputs for camera
-            opts->keyboard_input_mode = SC_KEYBOARD_INPUT_MODE_DISABLED;
-            opts->mouse_input_mode = SC_MOUSE_INPUT_MODE_DISABLED;
-            opts->gamepad_input_mode = SC_GAMEPAD_INPUT_MODE_DISABLED;
+            LOGI("Camera video source: control disabled");
+            opts->control = false;
        }
    } else if (opts->camera_id
            || opts->camera_ar
--- a/app/src/compat.h
+++ b/app/src/compat.h
@@ -6,7 +6,7 @@
 #include <libavcodec/version.h>
 #include <libavformat/version.h>
 #include <libavutil/version.h>
-#include <SDL3/SDL_version.h>
+#include <SDL2/SDL_version.h>

 #ifndef _WIN32
 # define PRIu64_ PRIu64
@@ -61,6 +61,28 @@
 # define SCRCPY_LAVC_HAS_CODECPAR_CODEC_SIDEDATA
 #endif

+#if SDL_VERSION_ATLEAST(2, 0, 6)
+// <https://github.com/libsdl-org/SDL/commit/d7a318de563125e5bb465b1000d6bc9576fbc6fc>
+# define SCRCPY_SDL_HAS_HINT_TOUCH_MOUSE_EVENTS
+#endif
+
+#if SDL_VERSION_ATLEAST(2, 0, 8)
+// <https://hg.libsdl.org/SDL/rev/dfde5d3f9781>
+# define SCRCPY_SDL_HAS_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR
+#endif
+
+#if SDL_VERSION_ATLEAST(2, 0, 16)
+# define SCRCPY_SDL_HAS_THREAD_PRIORITY_TIME_CRITICAL
+#endif
+
+#if SDL_VERSION_ATLEAST(2, 0, 18)
+# define SCRCPY_SDL_HAS_HINT_APP_NAME
+#endif
+
+#if SDL_VERSION_ATLEAST(2, 0, 14)
+# define SCRCPY_SDL_HAS_HINT_AUDIO_DEVICE_APP_NAME
+#endif
+
 #ifndef HAVE_STRDUP
 char *strdup(const char *s);
 #endif
--- a/app/src/control_msg.c
+++ b/app/src/control_msg.c
@@ -182,17 +182,12 @@ sc_control_msg_serialize(const struct sc_control_msg *msg, uint8_t *buf) {
            size_t len = write_string_tiny(&buf[1], msg->start_app.name, 255);
            return 1 + len;
        }
-        case SC_CONTROL_MSG_TYPE_CAMERA_SET_TORCH:
-            buf[1] = msg->camera_set_torch.on ? 1 : 0;
-            return 2;
        case SC_CONTROL_MSG_TYPE_EXPAND_NOTIFICATION_PANEL:
        case SC_CONTROL_MSG_TYPE_EXPAND_SETTINGS_PANEL:
        case SC_CONTROL_MSG_TYPE_COLLAPSE_PANELS:
        case SC_CONTROL_MSG_TYPE_ROTATE_DEVICE:
        case SC_CONTROL_MSG_TYPE_OPEN_HARD_KEYBOARD_SETTINGS:
        case SC_CONTROL_MSG_TYPE_RESET_VIDEO:
-        case SC_CONTROL_MSG_TYPE_CAMERA_ZOOM_IN:
-        case SC_CONTROL_MSG_TYPE_CAMERA_ZOOM_OUT:
            // no additional data
            return 1;
        default:
@@ -323,16 +318,6 @@ sc_control_msg_log(const struct sc_control_msg *msg) {
        case SC_CONTROL_MSG_TYPE_RESET_VIDEO:
            LOG_CMSG("reset video");
            break;
-        case SC_CONTROL_MSG_TYPE_CAMERA_SET_TORCH:
-            LOG_CMSG("camera set torch %s",
-                     msg->camera_set_torch.on ? "on" : "off");
-            break;
-        case SC_CONTROL_MSG_TYPE_CAMERA_ZOOM_IN:
-            LOG_CMSG("camera zoom in");
-            break;
-        case SC_CONTROL_MSG_TYPE_CAMERA_ZOOM_OUT:
-            LOG_CMSG("camera zoom out");
-            break;
        default:
            LOG_CMSG("unknown type: %u", (unsigned) msg->type);
            break;
--- a/app/src/control_msg.h
+++ b/app/src/control_msg.h
@@ -43,9 +43,6 @@ enum sc_control_msg_type {
    SC_CONTROL_MSG_TYPE_OPEN_HARD_KEYBOARD_SETTINGS,
    SC_CONTROL_MSG_TYPE_START_APP,
    SC_CONTROL_MSG_TYPE_RESET_VIDEO,
-    SC_CONTROL_MSG_TYPE_CAMERA_SET_TORCH,
-    SC_CONTROL_MSG_TYPE_CAMERA_ZOOM_IN,
-    SC_CONTROL_MSG_TYPE_CAMERA_ZOOM_OUT,
 };

 enum sc_copy_key {
@@ -114,9 +111,6 @@ struct sc_control_msg {
        struct {
            char *name;
        } start_app;
-        struct {
-            bool on;
-        } camera_set_torch;
    };
 };

--- a/app/src/decoder.c
+++ b/app/src/decoder.c
@@ -10,30 +10,20 @@
 #define DOWNCAST(SINK) container_of(SINK, struct sc_decoder, packet_sink)

 static bool
-sc_decoder_open(struct sc_decoder *decoder, AVCodecContext *ctx,
-                const struct sc_stream_session *session) {
+sc_decoder_open(struct sc_decoder *decoder, AVCodecContext *ctx) {
    decoder->frame = av_frame_alloc();
    if (!decoder->frame) {
        LOG_OOM();
        return false;
    }

-    if (!sc_frame_source_sinks_open(&decoder->frame_source, ctx, session)) {
+    if (!sc_frame_source_sinks_open(&decoder->frame_source, ctx)) {
        av_frame_free(&decoder->frame);
        return false;
    }

    decoder->ctx = ctx;

-    // A video stream must have a session
-    assert(session || ctx->codec_type != AVMEDIA_TYPE_VIDEO);
-
-    if (session) {
-        decoder->session = *session;
-    }
-
-    memset(&decoder->frame_size, 0, sizeof(decoder->frame_size));
-
    return true;
 }

@@ -71,32 +61,6 @@ sc_decoder_push(struct sc_decoder *decoder, const AVPacket *packet) {
        }

        // a frame was received
-
-        if (decoder->ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
-            assert(decoder->frame->width >= 0);
-            assert(decoder->frame->height >= 0);
-            struct sc_size frame_size = {
-                .width = decoder->frame->width,
-                .height = decoder->frame->height,
-            };
-            if (decoder->frame_size.width != frame_size.width
-                    || decoder->frame_size.height != frame_size.height) {
-                // The frame size has changed, check if it matches the session
-                uint32_t sw = decoder->session.video.width;
-                uint32_t sh = decoder->session.video.height;
-                if (frame_size.width != sw || frame_size.height != sh) {
-                    LOGW("Unexpected video size: %" PRIu32 "x%" PRIu32
-                         " (expected %" PRIu32 "x%" PRIu32 ")",
-                         frame_size.width, frame_size.height, sw, sh);
-
-                    LOGW("The encoder did not respect the requested size, "
-                         "please retry with a lower resolution (-m/--max-size)");
-                }
-            }
-
-            decoder->frame_size = frame_size;
-        }
-
        bool ok = sc_frame_source_sinks_push(&decoder->frame_source,
                                             decoder->frame);
        av_frame_unref(decoder->frame);
@@ -110,17 +74,9 @@ sc_decoder_push(struct sc_decoder *decoder, const AVPacket *packet) {
 }

 static bool
-sc_decoder_push_session(struct sc_decoder *decoder,
-                        const struct sc_stream_session *session) {
-    decoder->session = *session;
-    return sc_frame_source_sinks_push_session(&decoder->frame_source, session);
-}
-
-static bool
-sc_decoder_packet_sink_open(struct sc_packet_sink *sink, AVCodecContext *ctx,
-                            const struct sc_stream_session *session) {
+sc_decoder_packet_sink_open(struct sc_packet_sink *sink, AVCodecContext *ctx) {
    struct sc_decoder *decoder = DOWNCAST(sink);
-    return sc_decoder_open(decoder, ctx, session);
+    return sc_decoder_open(decoder, ctx);
 }

 static void
@@ -136,14 +92,6 @@ sc_decoder_packet_sink_push(struct sc_packet_sink *sink,
    return sc_decoder_push(decoder, packet);
 }

-static bool
-sc_decoder_packet_sink_push_session(struct sc_packet_sink *sink,
-                                    const struct sc_stream_session *session) {
-
-    struct sc_decoder *decoder = DOWNCAST(sink);
-    return sc_decoder_push_session(decoder, session);
-}
-
 void
 sc_decoder_init(struct sc_decoder *decoder, const char *name) {
    decoder->name = name; // statically allocated
@@ -153,7 +101,6 @@ sc_decoder_init(struct sc_decoder *decoder, const char *name) {
        .open = sc_decoder_packet_sink_open,
        .close = sc_decoder_packet_sink_close,
        .push = sc_decoder_packet_sink_push,
-        .push_session = sc_decoder_packet_sink_push_session,
    };

    decoder->packet_sink.ops = &ops;
--- a/app/src/decoder.h
+++ b/app/src/decoder.h
@@ -5,7 +5,6 @@

 #include <libavcodec/avcodec.h>

-#include "coords.h"
 #include "trait/frame_source.h"
 #include "trait/packet_sink.h"

@@ -17,9 +16,6 @@ struct sc_decoder {

    AVCodecContext *ctx;
    AVFrame *frame;
-
-    struct sc_stream_session session; // only initialized for video stream
-    struct sc_size frame_size;
 };

 // The name must be statically allocated (e.g. a string literal)
--- a/app/src/delay_buffer.c
+++ b/app/src/delay_buffer.c
@@ -10,18 +10,16 @@
 #define DOWNCAST(SINK) container_of(SINK, struct sc_delay_buffer, frame_sink)

 static bool
-sc_delayed_packet_init_frame(struct sc_delayed_packet *dpacket,
-                             const AVFrame *frame) {
-    dpacket->type = SC_DELAYED_PACKET_TYPE_FRAME;
-    dpacket->frame = av_frame_alloc();
-    if (!dpacket->frame) {
+sc_delayed_frame_init(struct sc_delayed_frame *dframe, const AVFrame *frame) {
+    dframe->frame = av_frame_alloc();
+    if (!dframe->frame) {
        LOG_OOM();
        return false;
    }

-    if (av_frame_ref(dpacket->frame, frame)) {
+    if (av_frame_ref(dframe->frame, frame)) {
        LOG_OOM();
-        av_frame_free(&dpacket->frame);
+        av_frame_free(&dframe->frame);
        return false;
    }

@@ -29,18 +27,9 @@ sc_delayed_packet_init_frame(struct sc_delayed_packet *dpacket,
 }

 static void
-sc_delayed_packet_init_session(struct sc_delayed_packet *dpacket,
-                               const struct sc_stream_session *session) {
-    dpacket->type = SC_DELAYED_PACKET_TYPE_SESSION;
-    dpacket->session = *session;
-}
-
-static void
-sc_delayed_packet_destroy(struct sc_delayed_packet *dpacket) {
-    if (dpacket->type == SC_DELAYED_PACKET_TYPE_FRAME) {
-        av_frame_unref(dpacket->frame);
-        av_frame_free(&dpacket->frame);
-    }
+sc_delayed_frame_destroy(struct sc_delayed_frame *dframe) {
+    av_frame_unref(dframe->frame);
+    av_frame_free(&dframe->frame);
 }

 static int
@@ -61,52 +50,43 @@ run_buffering(void *data) {
            goto stopped;
        }

-        struct sc_delayed_packet dpacket = sc_vecdeque_pop(&db->queue);
+        struct sc_delayed_frame dframe = sc_vecdeque_pop(&db->queue);

-        bool ok;
-        if (dpacket.type == SC_DELAYED_PACKET_TYPE_FRAME) {
-            sc_tick max_deadline = sc_tick_now() + db->delay;
-            // PTS (written by the server) are expressed in microseconds
-            sc_tick pts = SC_TICK_FROM_US(dpacket.frame->pts);
+        sc_tick max_deadline = sc_tick_now() + db->delay;
+        // PTS (written by the server) are expressed in microseconds
+        sc_tick pts = SC_TICK_FROM_US(dframe.frame->pts);

-            bool timed_out = false;
-            while (!db->stopped && !timed_out) {
-                sc_tick deadline = sc_clock_to_system_time(&db->clock, pts)
-                                 + db->delay;
-                if (deadline > max_deadline) {
-                    deadline = max_deadline;
-                }
-
-                timed_out =
-                    !sc_cond_timedwait(&db->wait_cond, &db->mutex, deadline);
+        bool timed_out = false;
+        while (!db->stopped && !timed_out) {
+            sc_tick deadline = sc_clock_to_system_time(&db->clock, pts)
+                             + db->delay;
+            if (deadline > max_deadline) {
+                deadline = max_deadline;
            }

-            bool stopped = db->stopped;
-            sc_mutex_unlock(&db->mutex);
-
-            if (stopped) {
-                sc_delayed_packet_destroy(&dpacket);
-                goto stopped;
-            }
-
-#ifdef SC_BUFFERING_DEBUG
-            LOGD("Buffering: %" PRItick ";%" PRItick ";%" PRItick,
-                 pts, dframe.push_date, sc_tick_now());
-#endif
-
-            ok = sc_frame_source_sinks_push(&db->frame_source, dpacket.frame);
-        } else {
-            assert(dpacket.type == SC_DELAYED_PACKET_TYPE_SESSION);
-            sc_mutex_unlock(&db->mutex);
-            ok = sc_frame_source_sinks_push_session(&db->frame_source,
-                                                    &dpacket.session);
+            timed_out =
+                !sc_cond_timedwait(&db->wait_cond, &db->mutex, deadline);
        }

-        sc_delayed_packet_destroy(&dpacket);
+        bool stopped = db->stopped;
+        sc_mutex_unlock(&db->mutex);
+
+        if (stopped) {
+            sc_delayed_frame_destroy(&dframe);
+            goto stopped;
+        }
+
+#ifdef SC_BUFFERING_DEBUG
+        LOGD("Buffering: %" PRItick ";%" PRItick ";%" PRItick,
+             pts, dframe.push_date, sc_tick_now());
+#endif
+
+        bool ok = sc_frame_source_sinks_push(&db->frame_source, dframe.frame);
+        sc_delayed_frame_destroy(&dframe);
        if (!ok) {
-            LOGE("Delayed packet could not be pushed, stopping");
+            LOGE("Delayed frame could not be pushed, stopping");
            sc_mutex_lock(&db->mutex);
-            // Prevent to push any new packet
+            // Prevent to push any new frame
            db->stopped = true;
            sc_mutex_unlock(&db->mutex);
            goto stopped;
@@ -118,8 +98,8 @@ stopped:

    // Flush queue
    while (!sc_vecdeque_is_empty(&db->queue)) {
-        struct sc_delayed_packet *dpacket = sc_vecdeque_popref(&db->queue);
-        sc_delayed_packet_destroy(dpacket);
+        struct sc_delayed_frame *dframe = sc_vecdeque_popref(&db->queue);
+        sc_delayed_frame_destroy(dframe);
    }

    LOGD("Buffering thread ended");
@@ -129,11 +109,9 @@ stopped:

 static bool
 sc_delay_buffer_frame_sink_open(struct sc_frame_sink *sink,
-                                const AVCodecContext *ctx,
-                                const struct sc_stream_session *session) {
+                                const AVCodecContext *ctx) {
    struct sc_delay_buffer *db = DOWNCAST(sink);
    (void) ctx;
-    (void) session;

    bool ok = sc_mutex_init(&db->mutex);
    if (!ok) {
@@ -154,7 +132,7 @@ sc_delay_buffer_frame_sink_open(struct sc_frame_sink *sink,
    sc_vecdeque_init(&db->queue);
    db->stopped = false;

-    if (!sc_frame_source_sinks_open(&db->frame_source, ctx, session)) {
+    if (!sc_frame_source_sinks_open(&db->frame_source, ctx)) {
        goto error_destroy_wait_cond;
    }

@@ -218,56 +196,24 @@ sc_delay_buffer_frame_sink_push(struct sc_frame_sink *sink,
        return sc_frame_source_sinks_push(&db->frame_source, frame);
    }

-    struct sc_delayed_packet *dpacket = sc_vecdeque_push_hole(&db->queue);
-    if (!dpacket) {
+    struct sc_delayed_frame dframe;
+    bool ok = sc_delayed_frame_init(&dframe, frame);
+    if (!ok) {
        sc_mutex_unlock(&db->mutex);
-        LOG_OOM();
        return false;
    }

-    bool ok = sc_delayed_packet_init_frame(dpacket, frame);
+#ifdef SC_BUFFERING_DEBUG
+    dframe.push_date = sc_tick_now();
+#endif
+
+    ok = sc_vecdeque_push(&db->queue, dframe);
    if (!ok) {
        sc_mutex_unlock(&db->mutex);
        LOG_OOM();
        return false;
    }

-#ifdef SC_BUFFERING_DEBUG
-    dpacket->push_date = sc_tick_now();
-#endif
-
-    sc_cond_signal(&db->queue_cond);
-
-    sc_mutex_unlock(&db->mutex);
-
-    return true;
-}
-
-static bool
-sc_delay_buffer_frame_sink_push_session(struct sc_frame_sink *sink,
-                                      const struct sc_stream_session *session) {
-    struct sc_delay_buffer *db = DOWNCAST(sink);
-
-    sc_mutex_lock(&db->mutex);
-
-    if (db->stopped) {
-        sc_mutex_unlock(&db->mutex);
-        return false;
-    }
-
-    struct sc_delayed_packet *dpacket = sc_vecdeque_push_hole(&db->queue);
-    if (!dpacket) {
-        sc_mutex_unlock(&db->mutex);
-        LOG_OOM();
-        return false;
-    }
-
-    sc_delayed_packet_init_session(dpacket, session);
-
-#ifdef SC_BUFFERING_DEBUG
-    dpacket->push_date = sc_tick_now();
-#endif
-
    sc_cond_signal(&db->queue_cond);

    sc_mutex_unlock(&db->mutex);
@@ -289,7 +235,6 @@ sc_delay_buffer_init(struct sc_delay_buffer *db, sc_tick delay,
        .open = sc_delay_buffer_frame_sink_open,
        .close = sc_delay_buffer_frame_sink_close,
        .push = sc_delay_buffer_frame_sink_push,
-        .push_session = sc_delay_buffer_frame_sink_push_session,
    };

    db->frame_sink.ops = &ops;
--- a/app/src/delay_buffer.h
+++ b/app/src/delay_buffer.h
@@ -18,23 +18,14 @@
 // forward declarations
 typedef struct AVFrame AVFrame;

-enum sc_delayed_packet_type {
-    SC_DELAYED_PACKET_TYPE_FRAME,
-    SC_DELAYED_PACKET_TYPE_SESSION,
-};
-
-struct sc_delayed_packet {
-    enum sc_delayed_packet_type type;
-    union {
-        AVFrame *frame;
-        struct sc_stream_session session;
-    };
+struct sc_delayed_frame {
+    AVFrame *frame;
 #ifdef SC_BUFFERING_DEBUG
    sc_tick push_date;
 #endif
 };

-struct sc_delayed_packet_queue SC_VECDEQUE(struct sc_delayed_packet);
+struct sc_delayed_frame_queue SC_VECDEQUE(struct sc_delayed_frame);

 struct sc_delay_buffer {
    struct sc_frame_source frame_source; // frame source trait
@@ -49,7 +40,7 @@ struct sc_delay_buffer {
    sc_cond wait_cond;

    struct sc_clock clock;
-    struct sc_delayed_packet_queue queue;
+    struct sc_delayed_frame_queue queue;
    bool stopped;
 };

--- a/app/src/demuxer.c
+++ b/app/src/demuxer.c
@@ -11,8 +11,8 @@

 #define SC_PACKET_HEADER_SIZE 12

-#define SC_PACKET_FLAG_CONFIG    (UINT64_C(1) << 62)
-#define SC_PACKET_FLAG_KEY_FRAME (UINT64_C(1) << 61)
+#define SC_PACKET_FLAG_CONFIG    (UINT64_C(1) << 63)
+#define SC_PACKET_FLAG_KEY_FRAME (UINT64_C(1) << 62)

 #define SC_PACKET_PTS_MASK (SC_PACKET_FLAG_KEY_FRAME - 1)

@@ -63,75 +63,48 @@ sc_demuxer_recv_codec_id(struct sc_demuxer *demuxer, uint32_t *codec_id) {
    return true;
 }

-static inline bool
-sc_demuxer_recv_header(struct sc_demuxer *demuxer,
-                       uint8_t buf[static SC_PACKET_HEADER_SIZE]) {
+static bool
+sc_demuxer_recv_video_size(struct sc_demuxer *demuxer, uint32_t *width,
+                           uint32_t *height) {
+    uint8_t data[8];
+    ssize_t r = net_recv_all(demuxer->socket, data, 8);
+    if (r < 8) {
+        return false;
+    }
+
+    *width = sc_read32be(data);
+    *height = sc_read32be(data + 4);
+    return true;
+}
+
+static bool
+sc_demuxer_recv_packet(struct sc_demuxer *demuxer, AVPacket *packet) {
    // The video and audio streams contain a sequence of raw packets (as
    // provided by MediaCodec), each prefixed with a "meta" header.
    //
-    // The "meta" header length is 12 bytes.
-    //
-    //
-    // If the MSB is 1, then it is a session packet (for a video stream only),
-    // which only contains a 12-byte header:
-    //
-    //  byte 0   byte 1   byte 2   byte 3
-    // 10000000 00000000 00000000 00000000
-    // ^<-------------------------------->
-    // |               padding
-    //  `- session packet flag
-    //
-    //  byte 4   byte 5   byte 6   byte 7   byte 8   byte 9   byte 10  byte 11
-    // ........ ........ ........ ........ ........ ........ ........ ........
-    // <---------------------------------> <--------------------------------->
-    //             video width                         video height
-    //
-    //
-    // If the MSB is 0, then it is a media packet, comprised of a 12-byte header
-    // followed by <packet_size> bytes containing the packet/frame:
-    //
+    // The "meta" header length is 12 bytes:
    // [. . . . . . . .|. . . .]. . . . . . . . . . . . . . . ...
    //  <-------------> <-----> <-----------------------------...
    //        PTS        packet        raw packet
    //                    size
    //
+    // It is followed by <packet_size> bytes containing the packet/frame.
+    //
    // The most significant bits of the PTS are used for packet flags:
    //
-    //  byte 0   byte 1   byte 2   byte 3   byte 4   byte 5   byte 6   byte 7
-    // 0CK..... ........ ........ ........ ........ ........ ........ ........
-    // ^^^<------------------------------------------------------------------>
-    // |||                                PTS
-    // || `- key frame
-    // | `-- config packet
-    //  `--- media packet flag
-    //
-    //  byte 8   byte 9   byte 10  byte 11
-    // ........ ........ ........ ........ ........ ........ . . .
-    // <---------------------------------> <---------------- . . .
-    //            packet size                       raw packet
-    //
-    ssize_t r = net_recv_all(demuxer->socket, buf, SC_PACKET_HEADER_SIZE);
-    assert(r <= SC_PACKET_HEADER_SIZE);
-    return r == SC_PACKET_HEADER_SIZE;
-}
+    //  byte 7   byte 6   byte 5   byte 4   byte 3   byte 2   byte 1   byte 0
+    // CK...... ........ ........ ........ ........ ........ ........ ........
+    // ^^<------------------------------------------------------------------->
+    // ||                                PTS
+    // | `- key frame
+    //  `-- config packet

-static bool
-sc_demuxer_is_session(const uint8_t *header) {
-    return header[0] & 0x80;
-}
+    uint8_t header[SC_PACKET_HEADER_SIZE];
+    ssize_t r = net_recv_all(demuxer->socket, header, SC_PACKET_HEADER_SIZE);
+    if (r < SC_PACKET_HEADER_SIZE) {
+        return false;
+    }

-static void
-sc_demuxer_parse_session(const uint8_t *header,
-                         struct sc_stream_session *session) {
-    assert(sc_demuxer_is_session(header));
-    session->video.width = sc_read32be(&header[4]);
-    session->video.height = sc_read32be(&header[8]);
-}
-
-static bool
-sc_demuxer_recv_packet(struct sc_demuxer *demuxer, const uint8_t *header,
-                       AVPacket *packet) {
-    assert(!sc_demuxer_is_session(header));
    uint64_t pts_flags = sc_read64be(header);
    uint32_t len = sc_read32be(&header[8]);
    assert(len);
@@ -141,7 +114,7 @@ sc_demuxer_recv_packet(struct sc_demuxer *demuxer, const uint8_t *header,
        return false;
    }

-    ssize_t r = net_recv_all(demuxer->socket, packet->data, len);
+    r = net_recv_all(demuxer->socket, packet->data, len);
    if (r < 0 || ((uint32_t) r) < len) {
        av_packet_unref(packet);
        return false;
@@ -214,28 +187,17 @@ run_demuxer(void *data) {

    codec_ctx->flags |= AV_CODEC_FLAG_LOW_DELAY;

-    uint8_t header[SC_PACKET_HEADER_SIZE];
-    struct sc_stream_session session_data;
-
-    struct sc_stream_session *session = NULL;
    if (codec->type == AVMEDIA_TYPE_VIDEO) {
-        bool ok = sc_demuxer_recv_header(demuxer, header);
+        uint32_t width;
+        uint32_t height;
+        ok = sc_demuxer_recv_video_size(demuxer, &width, &height);
        if (!ok) {
            goto finally_free_context;
        }

-        if (!sc_demuxer_is_session(header)) {
-            LOGE("Unexpected packet (not a session header)");
-            goto finally_free_context;
-        }
-
-        session = &session_data;
-        sc_demuxer_parse_session(header, session);
-
-        codec_ctx->width = session_data.video.width;
-        codec_ctx->height = session_data.video.height;
+        codec_ctx->width = width;
+        codec_ctx->height = height;
        codec_ctx->pix_fmt = AV_PIX_FMT_YUV420P;
-
    } else {
        // Hardcoded audio properties
 #ifdef SCRCPY_LAVU_HAS_CHLAYOUT
@@ -257,8 +219,7 @@ run_demuxer(void *data) {
        goto finally_free_context;
    }

-    if (!sc_packet_source_sinks_open(&demuxer->packet_source, codec_ctx,
-                                     session)) {
+    if (!sc_packet_source_sinks_open(&demuxer->packet_source, codec_ctx)) {
        goto finally_free_context;
    }

@@ -280,39 +241,27 @@ run_demuxer(void *data) {
    }

    for (;;) {
-        bool ok = sc_demuxer_recv_header(demuxer, header);
+        bool ok = sc_demuxer_recv_packet(demuxer, packet);
        if (!ok) {
            // end of stream
            status = SC_DEMUXER_STATUS_EOS;
            break;
        }

-        if (sc_demuxer_is_session(header)) {
-            sc_demuxer_parse_session(header, &session_data);
-            ok = sc_packet_source_sinks_push_session(&demuxer->packet_source,
-                                                     &session_data);
+        if (must_merge_config_packet) {
+            // Prepend any config packet to the next media packet
+            ok = sc_packet_merger_merge(&merger, packet);
            if (!ok) {
-                // The sink already logged its concrete error
+                av_packet_unref(packet);
                break;
            }
-        } else {
-            sc_demuxer_recv_packet(demuxer, header, packet);
+        }

-            if (must_merge_config_packet) {
-                // Prepend any config packet to the next media packet
-                ok = sc_packet_merger_merge(&merger, packet);
-                if (!ok) {
-                    av_packet_unref(packet);
-                    break;
-                }
-            }
-
-            ok = sc_packet_source_sinks_push(&demuxer->packet_source, packet);
-            av_packet_unref(packet);
-            if (!ok) {
-                // The sink already logged its concrete error
-                break;
-            }
+        ok = sc_packet_source_sinks_push(&demuxer->packet_source, packet);
+        av_packet_unref(packet);
+        if (!ok) {
+            // The sink already logged its concrete error
+            break;
        }
    }

--- a/app/src/device_msg.c
+++ b/app/src/device_msg.c
@@ -53,7 +53,7 @@ sc_device_msg_deserialize(const uint8_t *buf, size_t len,
            }
            uint16_t id = sc_read16be(&buf[1]);
            size_t size = sc_read16be(&buf[3]);
-            if (size > len - 5) {
+            if (size < len - 5) {
                return 0; // not available
            }
            uint8_t *data = malloc(size);
--- a/app/src/display.c
+++ b/app/src/display.c
@@ -0,0 +1,344 @@
+#include "display.h"
+
+#include <assert.h>
+#include <inttypes.h>
+#include <string.h>
+#include <libavutil/pixfmt.h>
+
+#include "util/log.h"
+
+static bool
+sc_display_init_novideo_icon(struct sc_display *display,
+                             SDL_Surface *icon_novideo) {
+    assert(icon_novideo);
+
+    if (SDL_RenderSetLogicalSize(display->renderer,
+                                 icon_novideo->w, icon_novideo->h)) {
+        LOGW("Could not set renderer logical size: %s", SDL_GetError());
+        // don't fail
+    }
+
+    display->texture = SDL_CreateTextureFromSurface(display->renderer,
+                                                    icon_novideo);
+    if (!display->texture) {
+        LOGE("Could not create texture: %s", SDL_GetError());
+        return false;
+    }
+
+    return true;
+}
+
+bool
+sc_display_init(struct sc_display *display, SDL_Window *window,
+                SDL_Surface *icon_novideo, bool mipmaps) {
+    display->renderer =
+        SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
+    if (!display->renderer) {
+        LOGE("Could not create renderer: %s", SDL_GetError());
+        return false;
+    }
+
+    SDL_RendererInfo renderer_info;
+    int r = SDL_GetRendererInfo(display->renderer, &renderer_info);
+    const char *renderer_name = r ? NULL : renderer_info.name;
+    LOGI("Renderer: %s", renderer_name ? renderer_name : "(unknown)");
+
+    display->mipmaps = false;
+
+#ifdef SC_DISPLAY_FORCE_OPENGL_CORE_PROFILE
+    display->gl_context = NULL;
+#endif
+
+    // starts with "opengl"
+    bool use_opengl = renderer_name && !strncmp(renderer_name, "opengl", 6);
+    if (use_opengl) {
+
+#ifdef SC_DISPLAY_FORCE_OPENGL_CORE_PROFILE
+        // Persuade macOS to give us something better than OpenGL 2.1.
+        // If we create a Core Profile context, we get the best OpenGL version.
+        SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK,
+                            SDL_GL_CONTEXT_PROFILE_CORE);
+
+        LOGD("Creating OpenGL Core Profile context");
+        display->gl_context = SDL_GL_CreateContext(window);
+        if (!display->gl_context) {
+            LOGE("Could not create OpenGL context: %s", SDL_GetError());
+            SDL_DestroyRenderer(display->renderer);
+            return false;
+        }
+#endif
+
+        struct sc_opengl *gl = &display->gl;
+        sc_opengl_init(gl);
+
+        LOGI("OpenGL version: %s", gl->version);
+
+        if (mipmaps) {
+            bool supports_mipmaps =
+                sc_opengl_version_at_least(gl, 3, 0, /* OpenGL 3.0+ */
+                                               2, 0  /* OpenGL ES 2.0+ */);
+            if (supports_mipmaps) {
+                LOGI("Trilinear filtering enabled");
+                display->mipmaps = true;
+            } else {
+                LOGW("Trilinear filtering disabled "
+                     "(OpenGL 3.0+ or ES 2.0+ required)");
+            }
+        } else {
+            LOGI("Trilinear filtering disabled");
+        }
+    } else if (mipmaps) {
+        LOGD("Trilinear filtering disabled (not an OpenGL renderer)");
+    }
+
+    display->texture = NULL;
+    display->pending.flags = 0;
+    display->pending.frame = NULL;
+    display->has_frame = false;
+
+    if (icon_novideo) {
+        // Without video, set a static scrcpy icon as window content
+        bool ok = sc_display_init_novideo_icon(display, icon_novideo);
+        if (!ok) {
+#ifdef SC_DISPLAY_FORCE_OPENGL_CORE_PROFILE
+            SDL_GL_DeleteContext(display->gl_context);
+#endif
+            SDL_DestroyRenderer(display->renderer);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+void
+sc_display_destroy(struct sc_display *display) {
+    if (display->pending.frame) {
+        av_frame_free(&display->pending.frame);
+    }
+#ifdef SC_DISPLAY_FORCE_OPENGL_CORE_PROFILE
+    SDL_GL_DeleteContext(display->gl_context);
+#endif
+    if (display->texture) {
+        SDL_DestroyTexture(display->texture);
+    }
+    SDL_DestroyRenderer(display->renderer);
+}
+
+static SDL_Texture *
+sc_display_create_texture(struct sc_display *display,
+                          struct sc_size size) {
+    SDL_Renderer *renderer = display->renderer;
+    SDL_Texture *texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_YV12,
+                                             SDL_TEXTUREACCESS_STREAMING,
+                                             size.width, size.height);
+    if (!texture) {
+        LOGD("Could not create texture: %s", SDL_GetError());
+        return NULL;
+    }
+
+    if (display->mipmaps) {
+        struct sc_opengl *gl = &display->gl;
+
+        SDL_GL_BindTexture(texture, NULL, NULL);
+
+        // Enable trilinear filtering for downscaling
+        gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
+                          GL_LINEAR_MIPMAP_LINEAR);
+        gl->TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_LOD_BIAS, -1.f);
+
+        SDL_GL_UnbindTexture(texture);
+    }
+
+    return texture;
+}
+
+static inline void
+sc_display_set_pending_size(struct sc_display *display, struct sc_size size) {
+    assert(!display->texture);
+    display->pending.size = size;
+    display->pending.flags |= SC_DISPLAY_PENDING_FLAG_SIZE;
+}
+
+static bool
+sc_display_set_pending_frame(struct sc_display *display, const AVFrame *frame) {
+    if (!display->pending.frame) {
+        display->pending.frame = av_frame_alloc();
+        if (!display->pending.frame) {
+            LOG_OOM();
+            return false;
+        }
+    }
+
+    int r = av_frame_ref(display->pending.frame, frame);
+    if (r) {
+        LOGE("Could not ref frame: %d", r);
+        return false;
+    }
+
+    display->pending.flags |= SC_DISPLAY_PENDING_FLAG_FRAME;
+
+    return true;
+}
+
+static bool
+sc_display_apply_pending(struct sc_display *display) {
+    if (display->pending.flags & SC_DISPLAY_PENDING_FLAG_SIZE) {
+        assert(!display->texture);
+        display->texture =
+            sc_display_create_texture(display, display->pending.size);
+        if (!display->texture) {
+            return false;
+        }
+
+        display->pending.flags &= ~SC_DISPLAY_PENDING_FLAG_SIZE;
+    }
+
+    if (display->pending.flags & SC_DISPLAY_PENDING_FLAG_FRAME) {
+        assert(display->pending.frame);
+        bool ok = sc_display_update_texture(display, display->pending.frame);
+        if (!ok) {
+            return false;
+        }
+
+        av_frame_unref(display->pending.frame);
+        display->pending.flags &= ~SC_DISPLAY_PENDING_FLAG_FRAME;
+    }
+
+    return true;
+}
+
+static bool
+sc_display_set_texture_size_internal(struct sc_display *display,
+                                     struct sc_size size) {
+    assert(size.width && size.height);
+
+    if (display->texture) {
+        SDL_DestroyTexture(display->texture);
+    }
+
+    display->texture = sc_display_create_texture(display, size);
+    if (!display->texture) {
+        return false;
+    }
+
+    LOGI("Texture: %" PRIu16 "x%" PRIu16, size.width, size.height);
+    return true;
+}
+
+enum sc_display_result
+sc_display_set_texture_size(struct sc_display *display, struct sc_size size) {
+    bool ok = sc_display_set_texture_size_internal(display, size);
+    if (!ok) {
+        sc_display_set_pending_size(display, size);
+        return SC_DISPLAY_RESULT_PENDING;
+
+    }
+
+    return SC_DISPLAY_RESULT_OK;
+}
+
+static SDL_YUV_CONVERSION_MODE
+sc_display_to_sdl_color_range(enum AVColorRange color_range) {
+    return color_range == AVCOL_RANGE_JPEG ? SDL_YUV_CONVERSION_JPEG
+                                           : SDL_YUV_CONVERSION_AUTOMATIC;
+}
+
+static bool
+sc_display_update_texture_internal(struct sc_display *display,
+                                   const AVFrame *frame) {
+    if (!display->has_frame) {
+        // First frame
+        display->has_frame = true;
+
+        // Configure YUV color range conversion
+        SDL_YUV_CONVERSION_MODE sdl_color_range =
+            sc_display_to_sdl_color_range(frame->color_range);
+        SDL_SetYUVConversionMode(sdl_color_range);
+    }
+
+    int ret = SDL_UpdateYUVTexture(display->texture, NULL,
+                                   frame->data[0], frame->linesize[0],
+                                   frame->data[1], frame->linesize[1],
+                                   frame->data[2], frame->linesize[2]);
+    if (ret) {
+        LOGD("Could not update texture: %s", SDL_GetError());
+        return false;
+    }
+
+    if (display->mipmaps) {
+        SDL_GL_BindTexture(display->texture, NULL, NULL);
+        display->gl.GenerateMipmap(GL_TEXTURE_2D);
+        SDL_GL_UnbindTexture(display->texture);
+    }
+
+    return true;
+}
+
+enum sc_display_result
+sc_display_update_texture(struct sc_display *display, const AVFrame *frame) {
+    bool ok = sc_display_update_texture_internal(display, frame);
+    if (!ok) {
+        ok = sc_display_set_pending_frame(display, frame);
+        if (!ok) {
+            LOGE("Could not set pending frame");
+            return SC_DISPLAY_RESULT_ERROR;
+        }
+
+        return SC_DISPLAY_RESULT_PENDING;
+    }
+
+    return SC_DISPLAY_RESULT_OK;
+}
+
+enum sc_display_result
+sc_display_render(struct sc_display *display, const SDL_Rect *geometry,
+                  enum sc_orientation orientation) {
+    SDL_RenderClear(display->renderer);
+
+    if (display->pending.flags) {
+        bool ok = sc_display_apply_pending(display);
+        if (!ok) {
+            return SC_DISPLAY_RESULT_PENDING;
+        }
+    }
+
+    SDL_Renderer *renderer = display->renderer;
+    SDL_Texture *texture = display->texture;
+
+    if (orientation == SC_ORIENTATION_0) {
+        int ret = SDL_RenderCopy(renderer, texture, NULL, geometry);
+        if (ret) {
+            LOGE("Could not render texture: %s", SDL_GetError());
+            return SC_DISPLAY_RESULT_ERROR;
+        }
+    } else {
+        unsigned cw_rotation = sc_orientation_get_rotation(orientation);
+        double angle = 90 * cw_rotation;
+
+        const SDL_Rect *dstrect = NULL;
+        SDL_Rect rect;
+        if (sc_orientation_is_swap(orientation)) {
+            rect.x = geometry->x + (geometry->w - geometry->h) / 2;
+            rect.y = geometry->y + (geometry->h - geometry->w) / 2;
+            rect.w = geometry->h;
+            rect.h = geometry->w;
+            dstrect = &rect;
+        } else {
+            dstrect = geometry;
+        }
+
+        SDL_RendererFlip flip = sc_orientation_is_mirror(orientation)
+                              ? SDL_FLIP_HORIZONTAL : 0;
+
+        int ret = SDL_RenderCopyEx(renderer, texture, NULL, dstrect, angle,
+                                   NULL, flip);
+        if (ret) {
+            LOGE("Could not render texture: %s", SDL_GetError());
+            return SC_DISPLAY_RESULT_ERROR;
+        }
+    }
+
+    SDL_RenderPresent(display->renderer);
+    return SC_DISPLAY_RESULT_OK;
+}
--- a/app/src/display.h
+++ b/app/src/display.h
@@ -0,0 +1,64 @@
+#ifndef SC_DISPLAY_H
+#define SC_DISPLAY_H
+
+#include "common.h"
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <libavutil/frame.h>
+#include <SDL2/SDL.h>
+
+#include "coords.h"
+#include "opengl.h"
+#include "options.h"
+
+#ifdef __APPLE__
+# define SC_DISPLAY_FORCE_OPENGL_CORE_PROFILE
+#endif
+
+struct sc_display {
+    SDL_Renderer *renderer;
+    SDL_Texture *texture;
+
+    struct sc_opengl gl;
+#ifdef SC_DISPLAY_FORCE_OPENGL_CORE_PROFILE
+    SDL_GLContext *gl_context;
+#endif
+
+    bool mipmaps;
+
+    struct {
+#define SC_DISPLAY_PENDING_FLAG_SIZE 1
+#define SC_DISPLAY_PENDING_FLAG_FRAME 2
+        int8_t flags;
+        struct sc_size size;
+        AVFrame *frame;
+    } pending;
+
+    bool has_frame;
+};
+
+enum sc_display_result {
+    SC_DISPLAY_RESULT_OK,
+    SC_DISPLAY_RESULT_PENDING,
+    SC_DISPLAY_RESULT_ERROR,
+};
+
+bool
+sc_display_init(struct sc_display *display, SDL_Window *window,
+                SDL_Surface *icon_novideo, bool mipmaps);
+
+void
+sc_display_destroy(struct sc_display *display);
+
+enum sc_display_result
+sc_display_set_texture_size(struct sc_display *display, struct sc_size size);
+
+enum sc_display_result
+sc_display_update_texture(struct sc_display *display, const AVFrame *frame);
+
+enum sc_display_result
+sc_display_render(struct sc_display *display, const SDL_Rect *geometry,
+                  enum sc_orientation orientation);
+
+#endif
--- a/app/src/events.c
+++ b/app/src/events.c
@@ -9,8 +9,11 @@ bool
 sc_push_event_impl(uint32_t type, const char *name) {
    SDL_Event event;
    event.type = type;
-    bool ok = SDL_PushEvent(&event);
-    if (!ok) {
+    int ret = SDL_PushEvent(&event);
+    // ret < 0: error (queue full)
+    // ret == 0: event was filtered
+    // ret == 1: success
+    if (ret != 1) {
        LOGE("Could not post %s event: %s", name, SDL_GetError());
        return false;
    }
@@ -27,25 +30,34 @@ sc_post_to_main_thread(sc_runnable_fn run, void *userdata) {
            .data2 = userdata,
        },
    };
-    bool ok = SDL_PushEvent(&event);
-    if (!ok) {
-        LOGW("Could not post runnable to main thread: %s", SDL_GetError());
+    int ret = SDL_PushEvent(&event);
+    // ret < 0: error (queue full)
+    // ret == 0: event was filtered
+    // ret == 1: success
+    if (ret != 1) {
+        if (ret == 0) {
+            // if ret == 0, this is expected on exit, log in debug mode
+            LOGD("Could not post runnable to main thread (filtered)");
+        } else {
+            assert(ret < 0);
+            LOGW("Could not post runnable to main thread: %s", SDL_GetError());
+        }
        return false;
    }

    return true;
 }

-static bool SDLCALL
+static int SDLCALL
 task_event_filter(void *userdata, SDL_Event *event) {
    (void) userdata;

    if (event->type == SC_EVENT_RUN_ON_MAIN_THREAD) {
        // Reject this event type from now on
-        return false;
+        return 0;
    }

-    return true;
+    return 1;
 }

 void
--- a/app/src/events.h
+++ b/app/src/events.h
@@ -5,10 +5,10 @@

 #include <stdbool.h>
 #include <stdint.h>
-#include <SDL3/SDL_events.h>
+#include <SDL2/SDL_events.h>

 enum {
-    SC_EVENT_NEW_FRAME = SDL_EVENT_USER,
+    SC_EVENT_NEW_FRAME = SDL_USEREVENT,
    SC_EVENT_RUN_ON_MAIN_THREAD,
    SC_EVENT_DEVICE_DISCONNECTED,
    SC_EVENT_SERVER_CONNECTION_FAILED,
@@ -16,6 +16,7 @@ enum {
    SC_EVENT_USB_DEVICE_DISCONNECTED,
    SC_EVENT_DEMUXER_ERROR,
    SC_EVENT_RECORDER_ERROR,
+    SC_EVENT_SCREEN_INIT_SIZE,
    SC_EVENT_TIME_LIMIT_REACHED,
    SC_EVENT_CONTROLLER_ERROR,
    SC_EVENT_AOA_OPEN_ERROR,
--- a/app/src/hid/hid_keyboard.h
+++ b/app/src/hid/hid_keyboard.h
@@ -9,7 +9,7 @@
 #include "hid/hid_event.h"
 #include "input_events.h"

-// See "SDL3/SDL_scancode.h".
+// See "SDL2/SDL_scancode.h".
 // Maybe SDL_Keycode is used by most people, but SDL_Scancode is taken from USB
 // HID protocol.
 // 0x65 is Application, typically AT-101 Keyboard ends here.
--- a/app/src/hid/hid_mouse.c
+++ b/app/src/hid/hid_mouse.c
@@ -166,12 +166,6 @@ sc_hid_buttons_from_buttons_state(uint8_t buttons_state) {
    return c;
 }

-void
-sc_hid_mouse_init(struct sc_hid_mouse *hid) {
-    hid->residual_hscroll = 0;
-    hid->residual_vscroll = 0;
-}
-
 void
 sc_hid_mouse_generate_input_from_motion(struct sc_hid_input *hid_input,
                                    const struct sc_mouse_motion_event *event) {
@@ -198,37 +192,22 @@ sc_hid_mouse_generate_input_from_click(struct sc_hid_input *hid_input,
    data[4] = 0; // no horizontal scrolling
 }

-static int8_t
-consume_scroll_integer(float *scroll) {
-    float value = CLAMP(*scroll, -127, 127);
-    int8_t consume = value; // truncate towards 0
-    float residual = value - consume;
-    *scroll = residual;
-    return consume;
-}
-
 bool
-sc_hid_mouse_generate_input_from_scroll(struct sc_hid_mouse *hid,
-                                        struct sc_hid_input *hid_input,
+sc_hid_mouse_generate_input_from_scroll(struct sc_hid_input *hid_input,
                                    const struct sc_mouse_scroll_event *event) {
-    sc_hid_mouse_input_init(hid_input);
-
-    hid->residual_hscroll += event->hscroll;
-    hid->residual_vscroll += event->vscroll;
-    int8_t hscroll = consume_scroll_integer(&hid->residual_hscroll);
-    int8_t vscroll = consume_scroll_integer(&hid->residual_vscroll);
-
-    if (!hscroll && !vscroll) {
-        // Not enough scrolling to inject a scroll event
+    if (!event->vscroll_int && !event->hscroll_int) {
+        // Need a full integral value for HID
        return false;
    }

+    sc_hid_mouse_input_init(hid_input);
+
    uint8_t *data = hid_input->data;
    data[0] = 0; // buttons state irrelevant (and unknown)
    data[1] = 0; // no x motion
    data[2] = 0; // no y motion
-    data[3] = vscroll;
-    data[4] = hscroll;
+    data[3] = CLAMP(event->vscroll_int, -127, 127);
+    data[4] = CLAMP(event->hscroll_int, -127, 127);
    return true;
 }

--- a/app/src/hid/hid_mouse.h
+++ b/app/src/hid/hid_mouse.h
@@ -8,13 +8,6 @@

 #define SC_HID_ID_MOUSE 2

-struct sc_hid_mouse {
-    float residual_hscroll;
-    float residual_vscroll;
-};
-
-void sc_hid_mouse_init(struct sc_hid_mouse *hid);
-
 void
 sc_hid_mouse_generate_open(struct sc_hid_open *hid_open);

@@ -30,8 +23,7 @@ sc_hid_mouse_generate_input_from_click(struct sc_hid_input *hid_input,
                                    const struct sc_mouse_click_event *event);

 bool
-sc_hid_mouse_generate_input_from_scroll(struct sc_hid_mouse *hid,
-                                        struct sc_hid_input *hid_input,
+sc_hid_mouse_generate_input_from_scroll(struct sc_hid_input *hid_input,
                                    const struct sc_mouse_scroll_event *event);

 #endif
--- a/app/src/icon.c
+++ b/app/src/icon.c
@@ -10,7 +10,7 @@
 #include <libavutil/avutil.h>
 #include <libavutil/pixdesc.h>
 #include <libavutil/pixfmt.h>
-#include <SDL3/SDL.h>
+#include <SDL2/SDL.h>

 #include "config.h"
 #include "util/env.h"
@@ -156,7 +156,13 @@ free_ctx:
    return result;
 }

-static SDL_PixelFormat
+#if !SDL_VERSION_ATLEAST(2, 0, 10)
+// SDL_PixelFormatEnum has been introduced in SDL 2.0.10. Use int for older SDL
+// versions.
+typedef int SDL_PixelFormatEnum;
+#endif
+
+static SDL_PixelFormatEnum
 to_sdl_pixel_format(enum AVPixelFormat fmt) {
    switch (fmt) {
        case AV_PIX_FMT_RGB24: return SDL_PIXELFORMAT_RGB24;
@@ -166,11 +172,13 @@ to_sdl_pixel_format(enum AVPixelFormat fmt) {
        case AV_PIX_FMT_ABGR: return SDL_PIXELFORMAT_ABGR32;
        case AV_PIX_FMT_BGRA: return SDL_PIXELFORMAT_BGRA32;
        case AV_PIX_FMT_RGB565BE: return SDL_PIXELFORMAT_RGB565;
-        case AV_PIX_FMT_RGB555BE: return SDL_PIXELFORMAT_XRGB1555;
+        case AV_PIX_FMT_RGB555BE: return SDL_PIXELFORMAT_RGB555;
        case AV_PIX_FMT_BGR565BE: return SDL_PIXELFORMAT_BGR565;
-        case AV_PIX_FMT_BGR555BE: return SDL_PIXELFORMAT_XBGR1555;
-        case AV_PIX_FMT_RGB444BE: return SDL_PIXELFORMAT_XRGB4444;
-        case AV_PIX_FMT_BGR444BE: return SDL_PIXELFORMAT_XBGR4444;
+        case AV_PIX_FMT_BGR555BE: return SDL_PIXELFORMAT_BGR555;
+        case AV_PIX_FMT_RGB444BE: return SDL_PIXELFORMAT_RGB444;
+#if SDL_VERSION_ATLEAST(2, 0, 12)
+        case AV_PIX_FMT_BGR444BE: return SDL_PIXELFORMAT_BGR444;
+#endif
        case AV_PIX_FMT_PAL8: return SDL_PIXELFORMAT_INDEX8;
        default: return SDL_PIXELFORMAT_UNKNOWN;
    }
@@ -195,16 +203,20 @@ load_from_path(const char *path) {
        goto error;
    }

-    SDL_PixelFormat format = to_sdl_pixel_format(frame->format);
+    SDL_PixelFormatEnum format = to_sdl_pixel_format(frame->format);
    if (format == SDL_PIXELFORMAT_UNKNOWN) {
        LOGE("Unsupported icon pixel format: %s (%d)", desc->name,
                                                       frame->format);
        goto error;
    }

+    int bits_per_pixel = av_get_bits_per_pixel(desc);
    SDL_Surface *surface =
-        SDL_CreateSurfaceFrom(frame->width, frame->height, format,
-                              frame->data[0], frame->linesize[0]);
+        SDL_CreateRGBSurfaceWithFormatFrom(frame->data[0],
+                                           frame->width, frame->height,
+                                           bits_per_pixel,
+                                           frame->linesize[0],
+                                           format);

    if (!surface) {
        LOGE("Could not create icon surface");
@@ -236,35 +248,17 @@ load_from_path(const char *path) {
 #endif
        }

-        SDL_Palette *palette = SDL_CreateSurfacePalette(surface);
-        if (!palette) {
-            LOGE("Could not create palette");
-            SDL_DestroySurface(surface);
-            goto error;
-        }
-
-        bool ok = SDL_SetPaletteColors(palette, colors, 0, 256);
-        if (!ok) {
+        SDL_Palette *palette = surface->format->palette;
+        assert(palette);
+        int ret = SDL_SetPaletteColors(palette, colors, 0, 256);
+        if (ret) {
            LOGE("Could not set palette colors");
-            SDL_DestroySurface(surface);
+            SDL_FreeSurface(surface);
            goto error;
        }
    }

-    SDL_PropertiesID props = SDL_GetSurfaceProperties(surface);
-    if (!props) {
-        LOGE("Could not get surface properties: %s", SDL_GetError());
-        SDL_DestroySurface(surface);
-        goto error;
-    }
-
-    // frame owns the data
-    bool ok = SDL_SetPointerProperty(props, "sc_frame", frame);
-    if (!ok) {
-        LOGE("Could not set pointer property: %s", SDL_GetError());
-        SDL_DestroySurface(surface);
-        goto error;
-    }
+    surface->userdata = frame; // frame owns the data

    return surface;

@@ -287,10 +281,8 @@ scrcpy_icon_load(void) {

 void
 scrcpy_icon_destroy(SDL_Surface *icon) {
-    SDL_PropertiesID props = SDL_GetSurfaceProperties(icon);
-    assert(props);
-    AVFrame *frame = SDL_GetPointerProperty(props, "sc_frame", NULL);
+    AVFrame *frame = icon->userdata;
    assert(frame);
    av_frame_free(&frame);
-    SDL_DestroySurface(icon);
+    SDL_FreeSurface(icon);
 }
--- a/app/src/icon.h
+++ b/app/src/icon.h
@@ -3,7 +3,7 @@

 #include "common.h"

-#include <SDL3/SDL_surface.h>
+#include <SDL2/SDL_surface.h>

 SDL_Surface *
 scrcpy_icon_load(void);
--- a/app/src/input_events.h
+++ b/app/src/input_events.h
@@ -6,7 +6,7 @@
 #include <assert.h>
 #include <stdbool.h>
 #include <stdint.h>
-#include <SDL3/SDL_events.h>
+#include <SDL2/SDL_events.h>

 #include "coords.h"

@@ -14,8 +14,7 @@
 * for simplicity.
 *
 * This scrcpy input events API is designed to be consumed by input event
- * processors (sc_key_processor, sc_mouse_processor and sc_gamepad_processor,
- * see app/src/trait/).
+ * processors (sc_key_processor and sc_mouse_processor, see app/src/trait/).
 *
 * One major semantic difference between SDL input events and scrcpy input
 * events is their frame of reference (for mouse and touch events): SDL events
@@ -44,17 +43,17 @@
 */

 enum sc_mod {
-    SC_MOD_LSHIFT = SDL_KMOD_LSHIFT,
-    SC_MOD_RSHIFT = SDL_KMOD_RSHIFT,
-    SC_MOD_LCTRL = SDL_KMOD_LCTRL,
-    SC_MOD_RCTRL = SDL_KMOD_RCTRL,
-    SC_MOD_LALT = SDL_KMOD_LALT,
-    SC_MOD_RALT = SDL_KMOD_RALT,
-    SC_MOD_LGUI = SDL_KMOD_LGUI,
-    SC_MOD_RGUI = SDL_KMOD_RGUI,
+    SC_MOD_LSHIFT = KMOD_LSHIFT,
+    SC_MOD_RSHIFT = KMOD_RSHIFT,
+    SC_MOD_LCTRL = KMOD_LCTRL,
+    SC_MOD_RCTRL = KMOD_RCTRL,
+    SC_MOD_LALT = KMOD_LALT,
+    SC_MOD_RALT = KMOD_RALT,
+    SC_MOD_LGUI = KMOD_LGUI,
+    SC_MOD_RGUI = KMOD_RGUI,

-    SC_MOD_NUM = SDL_KMOD_NUM,
-    SC_MOD_CAPS = SDL_KMOD_CAPS,
+    SC_MOD_NUM = KMOD_NUM,
+    SC_MOD_CAPS = KMOD_CAPS,
 };

 enum sc_action {
@@ -71,12 +70,12 @@ enum sc_keycode {
    SC_KEYCODE_TAB = SDLK_TAB,
    SC_KEYCODE_SPACE = SDLK_SPACE,
    SC_KEYCODE_EXCLAIM = SDLK_EXCLAIM,
-    SC_KEYCODE_QUOTEDBL = SDLK_DBLAPOSTROPHE,
+    SC_KEYCODE_QUOTEDBL = SDLK_QUOTEDBL,
    SC_KEYCODE_HASH = SDLK_HASH,
    SC_KEYCODE_PERCENT = SDLK_PERCENT,
    SC_KEYCODE_DOLLAR = SDLK_DOLLAR,
    SC_KEYCODE_AMPERSAND = SDLK_AMPERSAND,
-    SC_KEYCODE_QUOTE = SDLK_APOSTROPHE,
+    SC_KEYCODE_QUOTE = SDLK_QUOTE,
    SC_KEYCODE_LEFTPAREN = SDLK_LEFTPAREN,
    SC_KEYCODE_RIGHTPAREN = SDLK_RIGHTPAREN,
    SC_KEYCODE_ASTERISK = SDLK_ASTERISK,
@@ -108,33 +107,33 @@ enum sc_keycode {
    SC_KEYCODE_RIGHTBRACKET = SDLK_RIGHTBRACKET,
    SC_KEYCODE_CARET = SDLK_CARET,
    SC_KEYCODE_UNDERSCORE = SDLK_UNDERSCORE,
-    SC_KEYCODE_BACKQUOTE = SDLK_GRAVE,
-    SC_KEYCODE_a = SDLK_A,
-    SC_KEYCODE_b = SDLK_B,
-    SC_KEYCODE_c = SDLK_C,
-    SC_KEYCODE_d = SDLK_D,
-    SC_KEYCODE_e = SDLK_E,
-    SC_KEYCODE_f = SDLK_F,
-    SC_KEYCODE_g = SDLK_G,
-    SC_KEYCODE_h = SDLK_H,
-    SC_KEYCODE_i = SDLK_I,
-    SC_KEYCODE_j = SDLK_J,
-    SC_KEYCODE_k = SDLK_K,
-    SC_KEYCODE_l = SDLK_L,
-    SC_KEYCODE_m = SDLK_M,
-    SC_KEYCODE_n = SDLK_N,
-    SC_KEYCODE_o = SDLK_O,
-    SC_KEYCODE_p = SDLK_P,
-    SC_KEYCODE_q = SDLK_Q,
-    SC_KEYCODE_r = SDLK_R,
-    SC_KEYCODE_s = SDLK_S,
-    SC_KEYCODE_t = SDLK_T,
-    SC_KEYCODE_u = SDLK_U,
-    SC_KEYCODE_v = SDLK_V,
-    SC_KEYCODE_w = SDLK_W,
-    SC_KEYCODE_x = SDLK_X,
-    SC_KEYCODE_y = SDLK_Y,
-    SC_KEYCODE_z = SDLK_Z,
+    SC_KEYCODE_BACKQUOTE = SDLK_BACKQUOTE,
+    SC_KEYCODE_a = SDLK_a,
+    SC_KEYCODE_b = SDLK_b,
+    SC_KEYCODE_c = SDLK_c,
+    SC_KEYCODE_d = SDLK_d,
+    SC_KEYCODE_e = SDLK_e,
+    SC_KEYCODE_f = SDLK_f,
+    SC_KEYCODE_g = SDLK_g,
+    SC_KEYCODE_h = SDLK_h,
+    SC_KEYCODE_i = SDLK_i,
+    SC_KEYCODE_j = SDLK_j,
+    SC_KEYCODE_k = SDLK_k,
+    SC_KEYCODE_l = SDLK_l,
+    SC_KEYCODE_m = SDLK_m,
+    SC_KEYCODE_n = SDLK_n,
+    SC_KEYCODE_o = SDLK_o,
+    SC_KEYCODE_p = SDLK_p,
+    SC_KEYCODE_q = SDLK_q,
+    SC_KEYCODE_r = SDLK_r,
+    SC_KEYCODE_s = SDLK_s,
+    SC_KEYCODE_t = SDLK_t,
+    SC_KEYCODE_u = SDLK_u,
+    SC_KEYCODE_v = SDLK_v,
+    SC_KEYCODE_w = SDLK_w,
+    SC_KEYCODE_x = SDLK_x,
+    SC_KEYCODE_y = SDLK_y,
+    SC_KEYCODE_z = SDLK_z,

    SC_KEYCODE_CAPSLOCK = SDLK_CAPSLOCK,

@@ -316,40 +315,43 @@ enum sc_scancode {
 // to avoid unnecessary conversions (and confusion).
 enum sc_mouse_button {
    SC_MOUSE_BUTTON_UNKNOWN = 0,
-    SC_MOUSE_BUTTON_LEFT = SDL_BUTTON_MASK(SDL_BUTTON_LEFT),
-    SC_MOUSE_BUTTON_RIGHT = SDL_BUTTON_MASK(SDL_BUTTON_RIGHT),
-    SC_MOUSE_BUTTON_MIDDLE = SDL_BUTTON_MASK(SDL_BUTTON_MIDDLE),
-    SC_MOUSE_BUTTON_X1 = SDL_BUTTON_MASK(SDL_BUTTON_X1),
-    SC_MOUSE_BUTTON_X2 = SDL_BUTTON_MASK(SDL_BUTTON_X2),
+    SC_MOUSE_BUTTON_LEFT = SDL_BUTTON(SDL_BUTTON_LEFT),
+    SC_MOUSE_BUTTON_RIGHT = SDL_BUTTON(SDL_BUTTON_RIGHT),
+    SC_MOUSE_BUTTON_MIDDLE = SDL_BUTTON(SDL_BUTTON_MIDDLE),
+    SC_MOUSE_BUTTON_X1 = SDL_BUTTON(SDL_BUTTON_X1),
+    SC_MOUSE_BUTTON_X2 = SDL_BUTTON(SDL_BUTTON_X2),
 };

+// Use the naming from SDL3 for gamepad axis and buttons:
+// <https://wiki.libsdl.org/SDL3/README/migration>
+
 enum sc_gamepad_axis {
    SC_GAMEPAD_AXIS_UNKNOWN = -1,
-    SC_GAMEPAD_AXIS_LEFTX = SDL_GAMEPAD_AXIS_LEFTX,
-    SC_GAMEPAD_AXIS_LEFTY = SDL_GAMEPAD_AXIS_LEFTY,
-    SC_GAMEPAD_AXIS_RIGHTX = SDL_GAMEPAD_AXIS_RIGHTX,
-    SC_GAMEPAD_AXIS_RIGHTY = SDL_GAMEPAD_AXIS_RIGHTY,
-    SC_GAMEPAD_AXIS_LEFT_TRIGGER = SDL_GAMEPAD_AXIS_LEFT_TRIGGER,
-    SC_GAMEPAD_AXIS_RIGHT_TRIGGER = SDL_GAMEPAD_AXIS_RIGHT_TRIGGER,
+    SC_GAMEPAD_AXIS_LEFTX = SDL_CONTROLLER_AXIS_LEFTX,
+    SC_GAMEPAD_AXIS_LEFTY = SDL_CONTROLLER_AXIS_LEFTY,
+    SC_GAMEPAD_AXIS_RIGHTX = SDL_CONTROLLER_AXIS_RIGHTX,
+    SC_GAMEPAD_AXIS_RIGHTY = SDL_CONTROLLER_AXIS_RIGHTY,
+    SC_GAMEPAD_AXIS_LEFT_TRIGGER = SDL_CONTROLLER_AXIS_TRIGGERLEFT,
+    SC_GAMEPAD_AXIS_RIGHT_TRIGGER = SDL_CONTROLLER_AXIS_TRIGGERRIGHT,
 };

 enum sc_gamepad_button {
    SC_GAMEPAD_BUTTON_UNKNOWN = -1,
-    SC_GAMEPAD_BUTTON_SOUTH = SDL_GAMEPAD_BUTTON_SOUTH,
-    SC_GAMEPAD_BUTTON_EAST = SDL_GAMEPAD_BUTTON_EAST,
-    SC_GAMEPAD_BUTTON_WEST = SDL_GAMEPAD_BUTTON_WEST,
-    SC_GAMEPAD_BUTTON_NORTH = SDL_GAMEPAD_BUTTON_NORTH,
-    SC_GAMEPAD_BUTTON_BACK = SDL_GAMEPAD_BUTTON_BACK,
-    SC_GAMEPAD_BUTTON_GUIDE = SDL_GAMEPAD_BUTTON_GUIDE,
-    SC_GAMEPAD_BUTTON_START = SDL_GAMEPAD_BUTTON_START,
-    SC_GAMEPAD_BUTTON_LEFT_STICK = SDL_GAMEPAD_BUTTON_LEFT_STICK,
-    SC_GAMEPAD_BUTTON_RIGHT_STICK = SDL_GAMEPAD_BUTTON_RIGHT_STICK,
-    SC_GAMEPAD_BUTTON_LEFT_SHOULDER = SDL_GAMEPAD_BUTTON_LEFT_SHOULDER,
-    SC_GAMEPAD_BUTTON_RIGHT_SHOULDER = SDL_GAMEPAD_BUTTON_RIGHT_SHOULDER,
-    SC_GAMEPAD_BUTTON_DPAD_UP = SDL_GAMEPAD_BUTTON_DPAD_UP,
-    SC_GAMEPAD_BUTTON_DPAD_DOWN = SDL_GAMEPAD_BUTTON_DPAD_DOWN,
-    SC_GAMEPAD_BUTTON_DPAD_LEFT = SDL_GAMEPAD_BUTTON_DPAD_LEFT,
-    SC_GAMEPAD_BUTTON_DPAD_RIGHT = SDL_GAMEPAD_BUTTON_DPAD_RIGHT,
+    SC_GAMEPAD_BUTTON_SOUTH = SDL_CONTROLLER_BUTTON_A,
+    SC_GAMEPAD_BUTTON_EAST = SDL_CONTROLLER_BUTTON_B,
+    SC_GAMEPAD_BUTTON_WEST = SDL_CONTROLLER_BUTTON_X,
+    SC_GAMEPAD_BUTTON_NORTH = SDL_CONTROLLER_BUTTON_Y,
+    SC_GAMEPAD_BUTTON_BACK = SDL_CONTROLLER_BUTTON_BACK,
+    SC_GAMEPAD_BUTTON_GUIDE = SDL_CONTROLLER_BUTTON_GUIDE,
+    SC_GAMEPAD_BUTTON_START = SDL_CONTROLLER_BUTTON_START,
+    SC_GAMEPAD_BUTTON_LEFT_STICK = SDL_CONTROLLER_BUTTON_LEFTSTICK,
+    SC_GAMEPAD_BUTTON_RIGHT_STICK = SDL_CONTROLLER_BUTTON_RIGHTSTICK,
+    SC_GAMEPAD_BUTTON_LEFT_SHOULDER = SDL_CONTROLLER_BUTTON_LEFTSHOULDER,
+    SC_GAMEPAD_BUTTON_RIGHT_SHOULDER = SDL_CONTROLLER_BUTTON_RIGHTSHOULDER,
+    SC_GAMEPAD_BUTTON_DPAD_UP = SDL_CONTROLLER_BUTTON_DPAD_UP,
+    SC_GAMEPAD_BUTTON_DPAD_DOWN = SDL_CONTROLLER_BUTTON_DPAD_DOWN,
+    SC_GAMEPAD_BUTTON_DPAD_LEFT = SDL_CONTROLLER_BUTTON_DPAD_LEFT,
+    SC_GAMEPAD_BUTTON_DPAD_RIGHT = SDL_CONTROLLER_BUTTON_DPAD_RIGHT,
 };

 static_assert(sizeof(enum sc_mod) >= sizeof(SDL_Keymod),
@@ -391,6 +393,8 @@ struct sc_mouse_scroll_event {
    struct sc_position position;
    float hscroll;
    float vscroll;
+    int32_t hscroll_int;
+    int32_t vscroll_int;
    uint8_t buttons_state; // bitwise-OR of sc_mouse_button values
 };

@@ -409,9 +413,10 @@ struct sc_touch_event {
    float pressure;
 };

-// As documented in <https://wiki.libsdl.org/SDL3/SDL_JoystickID>:
-// The value 0 is an invalid ID.
-#define SC_GAMEPAD_ID_INVALID 0
+// As documented in <https://wiki.libsdl.org/SDL2/SDL_JoystickID>:
+// The ID value starts at 0 and increments from there. The value -1 is an
+// invalid ID.
+#define SC_GAMEPAD_ID_INVALID UINT32_C(-1)

 struct sc_gamepad_device_event {
    uint32_t gamepad_id;
@@ -446,8 +451,8 @@ sc_scancode_from_sdl(SDL_Scancode scancode) {

 static inline enum sc_action
 sc_action_from_sdl_keyboard_type(uint32_t type) {
-    assert(type == SDL_EVENT_KEY_DOWN || type == SDL_EVENT_KEY_UP);
-    if (type == SDL_EVENT_KEY_DOWN) {
+    assert(type == SDL_KEYDOWN || type == SDL_KEYUP);
+    if (type == SDL_KEYDOWN) {
        return SC_ACTION_DOWN;
    }
    return SC_ACTION_UP;
@@ -455,8 +460,8 @@ sc_action_from_sdl_keyboard_type(uint32_t type) {

 static inline enum sc_action
 sc_action_from_sdl_mousebutton_type(uint32_t type) {
-    assert(type == SDL_EVENT_MOUSE_BUTTON_DOWN || type == SDL_EVENT_MOUSE_BUTTON_UP);
-    if (type == SDL_EVENT_MOUSE_BUTTON_DOWN) {
+    assert(type == SDL_MOUSEBUTTONDOWN || type == SDL_MOUSEBUTTONUP);
+    if (type == SDL_MOUSEBUTTONDOWN) {
        return SC_ACTION_DOWN;
    }
    return SC_ACTION_UP;
@@ -464,12 +469,12 @@ sc_action_from_sdl_mousebutton_type(uint32_t type) {

 static inline enum sc_touch_action
 sc_touch_action_from_sdl(uint32_t type) {
-    assert(type == SDL_EVENT_FINGER_MOTION || type == SDL_EVENT_FINGER_DOWN ||
-           type == SDL_EVENT_FINGER_UP);
-    if (type == SDL_EVENT_FINGER_MOTION) {
+    assert(type == SDL_FINGERMOTION || type == SDL_FINGERDOWN ||
+           type == SDL_FINGERUP);
+    if (type == SDL_FINGERMOTION) {
        return SC_TOUCH_ACTION_MOVE;
    }
-    if (type == SDL_EVENT_FINGER_DOWN) {
+    if (type == SDL_FINGERDOWN) {
        return SC_TOUCH_ACTION_DOWN;
    }
    return SC_TOUCH_ACTION_UP;
@@ -479,7 +484,7 @@ static inline enum sc_mouse_button
 sc_mouse_button_from_sdl(uint8_t button) {
    if (button >= SDL_BUTTON_LEFT && button <= SDL_BUTTON_X2) {
        // SC_MOUSE_BUTTON_* constants are initialized from SDL_BUTTON(index)
-        return SDL_BUTTON_MASK(button);
+        return SDL_BUTTON(button);
    }

    return SC_MOUSE_BUTTON_UNKNOWN;
@@ -495,9 +500,9 @@ sc_mouse_buttons_state_from_sdl(uint32_t buttons_state) {

 static inline enum sc_gamepad_axis
 sc_gamepad_axis_from_sdl(uint8_t axis) {
-    if (axis <= SDL_GAMEPAD_AXIS_RIGHT_TRIGGER) {
+    if (axis <= SDL_CONTROLLER_AXIS_TRIGGERRIGHT) {
        // SC_GAMEPAD_AXIS_* constants are initialized from
-        // SDL_GAMEPAD_AXIS_*
+        // SDL_CONTROLLER_AXIS_*
        return axis;
    }
    return SC_GAMEPAD_AXIS_UNKNOWN;
@@ -505,18 +510,18 @@ sc_gamepad_axis_from_sdl(uint8_t axis) {

 static inline enum sc_gamepad_button
 sc_gamepad_button_from_sdl(uint8_t button) {
-    if (button <= SDL_GAMEPAD_BUTTON_DPAD_RIGHT) {
+    if (button <= SDL_CONTROLLER_BUTTON_DPAD_RIGHT) {
        // SC_GAMEPAD_BUTTON_* constants are initialized from
-        // SDL_GAMEPAD_BUTTON_*
+        // SDL_CONTROLLER_BUTTON_*
        return button;
    }
    return SC_GAMEPAD_BUTTON_UNKNOWN;
 }

 static inline enum sc_action
-sc_action_from_sdl_gamepad_button_type(uint32_t type) {
-    assert(type == SDL_EVENT_GAMEPAD_BUTTON_DOWN || type == SDL_EVENT_GAMEPAD_BUTTON_UP);
-    if (type == SDL_EVENT_GAMEPAD_BUTTON_DOWN) {
+sc_action_from_sdl_controllerbutton_type(uint32_t type) {
+    assert(type == SDL_CONTROLLERBUTTONDOWN || type == SDL_CONTROLLERBUTTONUP);
+    if (type == SDL_CONTROLLERBUTTONDOWN) {
        return SC_ACTION_DOWN;
    }
    return SC_ACTION_UP;
--- a/app/src/input_manager.c
+++ b/app/src/input_manager.c
@@ -3,7 +3,7 @@
 #include <assert.h>
 #include <stdlib.h>
 #include <string.h>
-#include <SDL3/SDL.h>
+#include <SDL2/SDL.h>

 #include "android/input.h"
 #include "android/keycodes.h"
@@ -11,11 +11,12 @@
 #include "screen.h"
 #include "shortcut_mod.h"
 #include "util/log.h"
-#include "util/sdl.h"

 void
 sc_input_manager_init(struct sc_input_manager *im,
                      const struct sc_input_manager_params *params) {
+    // A key/mouse processor may not be present if there is no controller
+    assert((!params->kp && !params->mp && !params->gp) || params->controller);
    // A processor must have ops initialized
    assert(!params->kp || params->kp->ops);
    assert(!params->mp || params->mp->ops);
@@ -27,7 +28,6 @@ sc_input_manager_init(struct sc_input_manager *im,
    im->kp = params->kp;
    im->mp = params->mp;
    im->gp = params->gp;
-    im->camera = params->camera;

    im->mouse_bindings = params->mouse_bindings;
    im->legacy_paste = params->legacy_paste;
@@ -51,7 +51,7 @@ sc_input_manager_init(struct sc_input_manager *im,
 static void
 send_keycode(struct sc_input_manager *im, enum android_keycode keycode,
             enum sc_action action, const char *name) {
-    assert(im->controller && im->kp && !im->camera);
+    assert(im->controller && im->kp);

    // send DOWN event
    struct sc_control_msg msg;
@@ -108,7 +108,7 @@ action_menu(struct sc_input_manager *im, enum sc_action action) {
 static void
 press_back_or_turn_screen_on(struct sc_input_manager *im,
                             enum sc_action action) {
-    assert(im->controller && im->kp && !im->camera);
+    assert(im->controller && im->kp);

    struct sc_control_msg msg;
    msg.type = SC_CONTROL_MSG_TYPE_BACK_OR_SCREEN_ON;
@@ -123,7 +123,7 @@ press_back_or_turn_screen_on(struct sc_input_manager *im,

 static void
 expand_notification_panel(struct sc_input_manager *im) {
-    assert(im->controller && !im->camera);
+    assert(im->controller);

    struct sc_control_msg msg;
    msg.type = SC_CONTROL_MSG_TYPE_EXPAND_NOTIFICATION_PANEL;
@@ -135,7 +135,7 @@ expand_notification_panel(struct sc_input_manager *im) {

 static void
 expand_settings_panel(struct sc_input_manager *im) {
-    assert(im->controller && !im->camera);
+    assert(im->controller);

    struct sc_control_msg msg;
    msg.type = SC_CONTROL_MSG_TYPE_EXPAND_SETTINGS_PANEL;
@@ -147,7 +147,7 @@ expand_settings_panel(struct sc_input_manager *im) {

 static void
 collapse_panels(struct sc_input_manager *im) {
-    assert(im->controller && !im->camera);
+    assert(im->controller);

    struct sc_control_msg msg;
    msg.type = SC_CONTROL_MSG_TYPE_COLLAPSE_PANELS;
@@ -159,7 +159,7 @@ collapse_panels(struct sc_input_manager *im) {

 static bool
 get_device_clipboard(struct sc_input_manager *im, enum sc_copy_key copy_key) {
-    assert(im->controller && im->kp && !im->camera);
+    assert(im->controller && im->kp);

    struct sc_control_msg msg;
    msg.type = SC_CONTROL_MSG_TYPE_GET_CLIPBOARD;
@@ -176,7 +176,7 @@ get_device_clipboard(struct sc_input_manager *im, enum sc_copy_key copy_key) {
 static bool
 set_device_clipboard(struct sc_input_manager *im, bool paste,
                     uint64_t sequence) {
-    assert(im->controller && im->kp && !im->camera);
+    assert(im->controller && im->kp);

    char *text = SDL_GetClipboardText();
    if (!text) {
@@ -208,7 +208,7 @@ set_device_clipboard(struct sc_input_manager *im, bool paste,

 static void
 set_display_power(struct sc_input_manager *im, bool on) {
-    assert(im->controller && !im->camera);
+    assert(im->controller);

    struct sc_control_msg msg;
    msg.type = SC_CONTROL_MSG_TYPE_SET_DISPLAY_POWER;
@@ -235,7 +235,7 @@ switch_fps_counter_state(struct sc_input_manager *im) {

 static void
 clipboard_paste(struct sc_input_manager *im) {
-    assert(im->controller && im->kp && !im->camera);
+    assert(im->controller && im->kp);

    char *text = SDL_GetClipboardText();
    if (!text) {
@@ -266,7 +266,7 @@ clipboard_paste(struct sc_input_manager *im) {

 static void
 rotate_device(struct sc_input_manager *im) {
-    assert(im->controller && !im->camera);
+    assert(im->controller);

    struct sc_control_msg msg;
    msg.type = SC_CONTROL_MSG_TYPE_ROTATE_DEVICE;
@@ -278,7 +278,7 @@ rotate_device(struct sc_input_manager *im) {

 static void
 open_hard_keyboard_settings(struct sc_input_manager *im) {
-    assert(im->controller && !im->camera);
+    assert(im->controller);

    struct sc_control_msg msg;
    msg.type = SC_CONTROL_MSG_TYPE_OPEN_HARD_KEYBOARD_SETTINGS;
@@ -300,43 +300,6 @@ reset_video(struct sc_input_manager *im) {
    }
 }

-static void
-camera_set_torch(struct sc_input_manager *im, bool on) {
-    assert(im->controller && im->camera);
-
-    struct sc_control_msg msg;
-    msg.type = SC_CONTROL_MSG_TYPE_CAMERA_SET_TORCH;
-    msg.camera_set_torch.on = on;
-
-    if (!sc_controller_push_msg(im->controller, &msg)) {
-        LOGW("Could not request setting camera torch");
-    }
-}
-
-static void
-camera_zoom_in(struct sc_input_manager *im) {
-    assert(im->controller && im->camera);
-
-    struct sc_control_msg msg;
-    msg.type = SC_CONTROL_MSG_TYPE_CAMERA_ZOOM_IN;
-
-    if (!sc_controller_push_msg(im->controller, &msg)) {
-        LOGW("Could not request camera zoom in");
-    }
-}
-
-static void
-camera_zoom_out(struct sc_input_manager *im) {
-    assert(im->controller && im->camera);
-
-    struct sc_control_msg msg;
-    msg.type = SC_CONTROL_MSG_TYPE_CAMERA_ZOOM_OUT;
-
-    if (!sc_controller_push_msg(im->controller, &msg)) {
-        LOGW("Could not request camera zoom out");
-    }
-}
-
 static void
 apply_orientation_transform(struct sc_input_manager *im,
                            enum sc_orientation transform) {
@@ -349,10 +312,6 @@ apply_orientation_transform(struct sc_input_manager *im,
 static void
 sc_input_manager_process_text_input(struct sc_input_manager *im,
                                    const SDL_TextInputEvent *event) {
-    if (im->camera || !im->kp || im->screen->paused) {
-        return;
-    }
-
    if (!im->kp->ops->process_text) {
        // The key processor does not support text input
        return;
@@ -410,19 +369,16 @@ inverse_point(struct sc_point point, struct sc_size size,
 static void
 sc_input_manager_process_key(struct sc_input_manager *im,
                             const SDL_KeyboardEvent *event) {
-    // some key events do not interact with the device, so process the event
-    // even if control is disabled
-
    // controller is NULL if --no-control is requested
    bool control = im->controller;
    bool paused = im->screen->paused;
    bool video = im->screen->video;

-    SDL_Keycode sdl_keycode = event->key;
-    uint16_t mod = event->mod;
-    bool down = event->type == SDL_EVENT_KEY_DOWN;
-    bool ctrl = event->mod & SDL_KMOD_CTRL;
-    bool shift = event->mod & SDL_KMOD_SHIFT;
+    SDL_Keycode sdl_keycode = event->keysym.sym;
+    uint16_t mod = event->keysym.mod;
+    bool down = event->type == SDL_KEYDOWN;
+    bool ctrl = event->keysym.mod & KMOD_CTRL;
+    bool shift = event->keysym.mod & KMOD_SHIFT;
    bool repeat = event->repeat;

    // Either the modifier includes a shortcut modifier, or the key
@@ -446,196 +402,156 @@ sc_input_manager_process_key(struct sc_input_manager *im,
    if (is_shortcut) {
        enum sc_action action = down ? SC_ACTION_DOWN : SC_ACTION_UP;
        switch (sdl_keycode) {
-            case SDLK_Z:
+            case SDLK_h:
+                if (im->kp && !shift && !repeat && !paused) {
+                    action_home(im, action);
+                }
+                return;
+            case SDLK_b: // fall-through
+            case SDLK_BACKSPACE:
+                if (im->kp && !shift && !repeat && !paused) {
+                    action_back(im, action);
+                }
+                return;
+            case SDLK_s:
+                if (im->kp && !shift && !repeat && !paused) {
+                    action_app_switch(im, action);
+                }
+                return;
+            case SDLK_m:
+                if (im->kp && !shift && !repeat && !paused) {
+                    action_menu(im, action);
+                }
+                return;
+            case SDLK_p:
+                if (im->kp && !shift && !repeat && !paused) {
+                    action_power(im, action);
+                }
+                return;
+            case SDLK_o:
+                if (control && !repeat && down && !paused) {
+                    bool on = shift;
+                    set_display_power(im, on);
+                }
+                return;
+            case SDLK_z:
                if (video && down && !repeat) {
                    sc_screen_set_paused(im->screen, !shift);
                }
                return;
            case SDLK_DOWN:
-                // Only capture if shift is set
                if (shift) {
                    if (video && !repeat && down) {
                        apply_orientation_transform(im,
                                                    SC_ORIENTATION_FLIP_180);
                    }
-                    return;
+                } else if (im->kp && !paused) {
+                    // forward repeated events
+                    action_volume_down(im, action);
                }
-                break;
+                return;
            case SDLK_UP:
-                // Only capture if shift is set
                if (shift) {
                    if (video && !repeat && down) {
-                        apply_orientation_transform(im, SC_ORIENTATION_FLIP_180);
+                        apply_orientation_transform(im,
+                                                    SC_ORIENTATION_FLIP_180);
                    }
-                    return;
+                } else if (im->kp && !paused) {
+                    // forward repeated events
+                    action_volume_up(im, action);
                }
-                break;
+                return;
            case SDLK_LEFT:
                if (video && !repeat && down) {
                    if (shift) {
-                        apply_orientation_transform(im, SC_ORIENTATION_FLIP_0);
+                        apply_orientation_transform(im,
+                                                    SC_ORIENTATION_FLIP_0);
                    } else {
-                        apply_orientation_transform(im, SC_ORIENTATION_270);
+                        apply_orientation_transform(im,
+                                                    SC_ORIENTATION_270);
                    }
                }
                return;
            case SDLK_RIGHT:
                if (video && !repeat && down) {
                    if (shift) {
-                        apply_orientation_transform(im, SC_ORIENTATION_FLIP_0);
+                        apply_orientation_transform(im,
+                                                    SC_ORIENTATION_FLIP_0);
                    } else {
-                        apply_orientation_transform(im, SC_ORIENTATION_90);
+                        apply_orientation_transform(im,
+                                                    SC_ORIENTATION_90);
                    }
                }
                return;
-            case SDLK_F:
+            case SDLK_c:
+                if (im->kp && !shift && !repeat && down && !paused) {
+                    get_device_clipboard(im, SC_COPY_KEY_COPY);
+                }
+                return;
+            case SDLK_x:
+                if (im->kp && !shift && !repeat && down && !paused) {
+                    get_device_clipboard(im, SC_COPY_KEY_CUT);
+                }
+                return;
+            case SDLK_v:
+                if (im->kp && !repeat && down && !paused) {
+                    if (shift || im->legacy_paste) {
+                        // inject the text as input events
+                        clipboard_paste(im);
+                    } else {
+                        // store the text in the device clipboard and paste,
+                        // without requesting an acknowledgment
+                        set_device_clipboard(im, true, SC_SEQUENCE_INVALID);
+                    }
+                }
+                return;
+            case SDLK_f:
                if (video && !shift && !repeat && down) {
                    sc_screen_toggle_fullscreen(im->screen);
                }
                return;
-            case SDLK_W:
+            case SDLK_w:
                if (video && !shift && !repeat && down) {
                    sc_screen_resize_to_fit(im->screen);
                }
                return;
-            case SDLK_G:
+            case SDLK_g:
                if (video && !shift && !repeat && down) {
                    sc_screen_resize_to_pixel_perfect(im->screen);
                }
                return;
-            case SDLK_I:
+            case SDLK_i:
                if (video && !shift && !repeat && down) {
                    switch_fps_counter_state(im);
                }
                return;
-        }
-
-        // Flatten conditions to avoid additional indentation levels
-        if (control) {
-            // Controls for all sources
-            switch (sdl_keycode) {
-                case SDLK_R:
-                    if (!repeat && shift && down && !paused) {
+            case SDLK_n:
+                if (control && !repeat && down && !paused) {
+                    if (shift) {
+                        collapse_panels(im);
+                    } else if (im->key_repeat == 0) {
+                        expand_notification_panel(im);
+                    } else {
+                        expand_settings_panel(im);
+                    }
+                }
+                return;
+            case SDLK_r:
+                if (control && !repeat && down && !paused) {
+                    if (shift) {
                        reset_video(im);
-                    }
-                    return;
-            }
-        }
-
-        if (control && !im->camera) {
-            switch (sdl_keycode) {
-                case SDLK_H:
-                    if (im->kp && !shift && !repeat && !paused) {
-                        action_home(im, action);
-                    }
-                    return;
-                case SDLK_B: // fall-through
-                case SDLK_BACKSPACE:
-                    if (im->kp && !shift && !repeat && !paused) {
-                        action_back(im, action);
-                    }
-                    return;
-                case SDLK_S:
-                    if (im->kp && !shift && !repeat && !paused) {
-                        action_app_switch(im, action);
-                    }
-                    return;
-                case SDLK_M:
-                    if (im->kp && !shift && !repeat && !paused) {
-                        action_menu(im, action);
-                    }
-                    return;
-                case SDLK_P:
-                    if (im->kp && !shift && !repeat && !paused) {
-                        action_power(im, action);
-                    }
-                    return;
-                case SDLK_O:
-                    if (control && !repeat && down && !paused) {
-                        bool on = shift;
-                        set_display_power(im, on);
-                    }
-                    return;
-                case SDLK_DOWN:
-                    if (im->kp && !shift && !paused) {
-                        // forward repeated events
-                        action_volume_down(im, action);
-                    }
-                    return;
-                case SDLK_UP:
-                    if (im->kp && !shift && !paused) {
-                        // forward repeated events
-                        action_volume_up(im, action);
-                    }
-                    return;
-                case SDLK_C:
-                    if (im->kp && !shift && !repeat && down && !paused) {
-                        get_device_clipboard(im, SC_COPY_KEY_COPY);
-                    }
-                    return;
-                case SDLK_X:
-                    if (im->kp && !shift && !repeat && down && !paused) {
-                        get_device_clipboard(im, SC_COPY_KEY_CUT);
-                    }
-                    return;
-                case SDLK_V:
-                    if (im->kp && !repeat && down && !paused) {
-                        if (shift || im->legacy_paste) {
-                            // inject the text as input events
-                            clipboard_paste(im);
-                        } else {
-                            // store the text in the device clipboard and paste,
-                            // without requesting an acknowledgment
-                            set_device_clipboard(im, true, SC_SEQUENCE_INVALID);
-                        }
-                    }
-                    return;
-                case SDLK_N:
-                    if (!repeat && down && !paused) {
-                        if (shift) {
-                            collapse_panels(im);
-                        } else if (im->key_repeat == 0) {
-                            expand_notification_panel(im);
-                        } else {
-                            expand_settings_panel(im);
-                        }
-                    }
-                    return;
-                case SDLK_R:
-                    if (!repeat && !shift && down && !paused) {
+                    } else {
                        rotate_device(im);
                    }
-                    return;
-                case SDLK_K:
-                    if (!shift && !repeat && down && !paused
-                            && im->kp && im->kp->hid) {
-                        // Only if the current keyboard is hid
-                        open_hard_keyboard_settings(im);
-                    }
-                    return;
-            }
-        }
-
-        if (control && im->camera) {
-            switch (sdl_keycode) {
-                case SDLK_T:
-                    if (!repeat && down) {
-                        camera_set_torch(im, !shift);
-                    }
-                    return;
-                case SDLK_DOWN:
-                    if (!shift && down && !paused) {
-                        // forward repeated events
-                        camera_zoom_out(im);
-                    }
-                    return;
-                case SDLK_UP:
-                    if (!shift && down && !paused) {
-                        // forward repeated events
-                        camera_zoom_in(im);
-                    }
-                    return;
-            }
+                }
+                return;
+            case SDLK_k:
+                if (control && !shift && !repeat && down && !paused
+                        && im->kp && im->kp->hid) {
+                    // Only if the current keyboard is hid
+                    open_hard_keyboard_settings(im);
+                }
+                return;
        }

        return;
@@ -645,10 +561,8 @@ sc_input_manager_process_key(struct sc_input_manager *im,
        return;
    }

-    assert(!im->camera);
-
    uint64_t ack_to_wait = SC_SEQUENCE_INVALID;
-    bool is_ctrl_v = ctrl && !shift && sdl_keycode == SDLK_V && down && !repeat;
+    bool is_ctrl_v = ctrl && !shift && sdl_keycode == SDLK_v && down && !repeat;
    if (im->clipboard_autosync && is_ctrl_v) {
        if (im->legacy_paste) {
            // inject the text as input events
@@ -681,7 +595,7 @@ sc_input_manager_process_key(struct sc_input_manager *im,
        return;
    }

-    enum sc_scancode scancode = sc_scancode_from_sdl(event->scancode);
+    enum sc_scancode scancode = sc_scancode_from_sdl(event->keysym.scancode);
    if (scancode == SC_SCANCODE_UNKNOWN) {
        return;
    }
@@ -691,7 +605,7 @@ sc_input_manager_process_key(struct sc_input_manager *im,
        .keycode = keycode,
        .scancode = scancode,
        .repeat = event->repeat,
-        .mods_state = sc_mods_state_from_sdl(event->mod),
+        .mods_state = sc_mods_state_from_sdl(event->keysym.mod),
    };

    assert(im->kp->ops->process_key);
@@ -718,10 +632,6 @@ sc_input_manager_get_position(struct sc_input_manager *im, int32_t x,
 static void
 sc_input_manager_process_mouse_motion(struct sc_input_manager *im,
                                      const SDL_MouseMotionEvent *event) {
-    if (im->camera || !im->mp || im->screen->paused) {
-        return;
-    }
-
    if (event->which == SDL_TOUCH_MOUSEID) {
        // simulated from touch events, so it's a duplicate
        return;
@@ -757,21 +667,18 @@ sc_input_manager_process_mouse_motion(struct sc_input_manager *im,
 static void
 sc_input_manager_process_touch(struct sc_input_manager *im,
                               const SDL_TouchFingerEvent *event) {
-    if (im->camera || !im->mp || im->screen->paused) {
-        return;
-    }
-
    if (!im->mp->ops->process_touch) {
        // The mouse processor does not support touch events
        return;
    }

-    struct sc_size drawable_size =
-        sc_sdl_get_window_size_in_pixels(im->screen->window);
+    int dw;
+    int dh;
+    SDL_GL_GetDrawableSize(im->screen->window, &dw, &dh);

    // SDL touch event coordinates are normalized in the range [0; 1]
-    int32_t x = event->x * (int32_t) drawable_size.width;
-    int32_t y = event->y * (int32_t) drawable_size.height;
+    int32_t x = event->x * dw;
+    int32_t y = event->y * dh;

    struct sc_touch_event evt = {
        .position = {
@@ -780,7 +687,7 @@ sc_input_manager_process_touch(struct sc_input_manager *im,
                sc_screen_convert_drawable_to_frame_coords(im->screen, x, y),
        },
        .action = sc_touch_action_from_sdl(event->type),
-        .pointer_id = event->fingerID,
+        .pointer_id = event->fingerId,
        .pressure = event->pressure,
    };

@@ -809,13 +716,6 @@ sc_input_manager_get_binding(const struct sc_mouse_binding_set *bindings,
 static void
 sc_input_manager_process_mouse_button(struct sc_input_manager *im,
                                      const SDL_MouseButtonEvent *event) {
-    // some mouse events do not interact with the device, so process the event
-    // even if control is disabled
-
-    if (im->camera) {
-        return;
-    }
-
    if (event->which == SDL_TOUCH_MOUSEID) {
        // simulated from touch events, so it's a duplicate
        return;
@@ -823,7 +723,7 @@ sc_input_manager_process_mouse_button(struct sc_input_manager *im,

    bool control = im->controller;
    bool paused = im->screen->paused;
-    bool down = event->type == SDL_EVENT_MOUSE_BUTTON_DOWN;
+    bool down = event->type == SDL_MOUSEBUTTONDOWN;

    enum sc_mouse_button button = sc_mouse_button_from_sdl(event->button);
    if (button == SC_MOUSE_BUTTON_UNKNOWN) {
@@ -836,8 +736,8 @@ sc_input_manager_process_mouse_button(struct sc_input_manager *im,
    }

    SDL_Keymod keymod = SDL_GetModState();
-    bool ctrl_pressed = keymod & SDL_KMOD_CTRL;
-    bool shift_pressed = keymod & SDL_KMOD_SHIFT;
+    bool ctrl_pressed = keymod & KMOD_CTRL;
+    bool shift_pressed = keymod & KMOD_SHIFT;

    if (control && !paused) {
        enum sc_action action = down ? SC_ACTION_DOWN : SC_ACTION_UP;
@@ -890,7 +790,7 @@ sc_input_manager_process_mouse_button(struct sc_input_manager *im,
        int32_t x = event->x;
        int32_t y = event->y;
        sc_screen_hidpi_scale_coords(im->screen, &x, &y);
-        SDL_FRect *r = &im->screen->rect;
+        SDL_Rect *r = &im->screen->rect;
        bool outside = x < r->x || x >= r->x + r->w
                    || y < r->y || y >= r->y + r->h;
        if (outside) {
@@ -983,25 +883,28 @@ sc_input_manager_process_mouse_button(struct sc_input_manager *im,
 static void
 sc_input_manager_process_mouse_wheel(struct sc_input_manager *im,
                                     const SDL_MouseWheelEvent *event) {
-    if (im->camera || !im->kp || im->screen->paused) {
-        return;
-    }
-
    if (!im->mp->ops->process_mouse_scroll) {
        // The mouse processor does not support scroll events
        return;
    }

    // mouse_x and mouse_y are expressed in pixels relative to the window
-    float mouse_x;
-    float mouse_y;
+    int mouse_x;
+    int mouse_y;
    uint32_t buttons = SDL_GetMouseState(&mouse_x, &mouse_y);
    (void) buttons; // Actual buttons are tracked manually to ignore shortcuts

    struct sc_mouse_scroll_event evt = {
        .position = sc_input_manager_get_position(im, mouse_x, mouse_y),
+#if SDL_VERSION_ATLEAST(2, 0, 18)
+        .hscroll = event->preciseX,
+        .vscroll = event->preciseY,
+#else
        .hscroll = event->x,
        .vscroll = event->y,
+#endif
+        .hscroll_int = event->x,
+        .vscroll_int = event->y,
        .buttons_state = im->mouse_buttons_state,
    };

@@ -1010,37 +913,31 @@ sc_input_manager_process_mouse_wheel(struct sc_input_manager *im,

 static void
 sc_input_manager_process_gamepad_device(struct sc_input_manager *im,
-                                       const SDL_GamepadDeviceEvent *event) {
-    // Handle device added or removed even if paused
-
-    if (im->camera || !im->gp) {
-        return;
-    }
-
-    if (event->type == SDL_EVENT_GAMEPAD_ADDED) {
-        SDL_Gamepad *sdl_gamepad = SDL_OpenGamepad(event->which);
-        if (!sdl_gamepad) {
-            LOGW("Could not open gamepad");
+                                       const SDL_ControllerDeviceEvent *event) {
+    if (event->type == SDL_CONTROLLERDEVICEADDED) {
+        SDL_GameController *gc = SDL_GameControllerOpen(event->which);
+        if (!gc) {
+            LOGW("Could not open game controller");
            return;
        }

-        SDL_Joystick *joystick = SDL_GetGamepadJoystick(sdl_gamepad);
+        SDL_Joystick *joystick = SDL_GameControllerGetJoystick(gc);
        if (!joystick) {
-            LOGW("Could not get gamepad joystick");
-            SDL_CloseGamepad(sdl_gamepad);
+            LOGW("Could not get controller joystick");
+            SDL_GameControllerClose(gc);
            return;
        }

        struct sc_gamepad_device_event evt = {
-            .gamepad_id = SDL_GetJoystickID(joystick),
+            .gamepad_id = SDL_JoystickInstanceID(joystick),
        };
        im->gp->ops->process_gamepad_added(im->gp, &evt);
-    } else if (event->type == SDL_EVENT_GAMEPAD_REMOVED) {
+    } else if (event->type == SDL_CONTROLLERDEVICEREMOVED) {
        SDL_JoystickID id = event->which;

-        SDL_Gamepad *sdl_gamepad = SDL_GetGamepadFromID(id);
-        if (sdl_gamepad) {
-            SDL_CloseGamepad(sdl_gamepad);
+        SDL_GameController *gc = SDL_GameControllerFromInstanceID(id);
+        if (gc) {
+            SDL_GameControllerClose(gc);
        } else {
            LOGW("Unknown gamepad device removed");
        }
@@ -1057,11 +954,7 @@ sc_input_manager_process_gamepad_device(struct sc_input_manager *im,

 static void
 sc_input_manager_process_gamepad_axis(struct sc_input_manager *im,
-                                      const SDL_GamepadAxisEvent *event) {
-    if (im->camera || !im->gp || im->screen->paused) {
-        return;
-    }
-
+                                      const SDL_ControllerAxisEvent *event) {
    enum sc_gamepad_axis axis = sc_gamepad_axis_from_sdl(event->axis);
    if (axis == SC_GAMEPAD_AXIS_UNKNOWN) {
        return;
@@ -1077,11 +970,7 @@ sc_input_manager_process_gamepad_axis(struct sc_input_manager *im,

 static void
 sc_input_manager_process_gamepad_button(struct sc_input_manager *im,
-                                       const SDL_GamepadButtonEvent *event) {
-    if (im->camera || !im->gp || im->screen->paused) {
-        return;
-    }
-
+                                       const SDL_ControllerButtonEvent *event) {
    enum sc_gamepad_button button = sc_gamepad_button_from_sdl(event->button);
    if (button == SC_GAMEPAD_BUTTON_UNKNOWN) {
        return;
@@ -1089,7 +978,7 @@ sc_input_manager_process_gamepad_button(struct sc_input_manager *im,

    struct sc_gamepad_button_event evt = {
        .gamepad_id = event->which,
-        .action = sc_action_from_sdl_gamepad_button_type(event->type),
+        .action = sc_action_from_sdl_controllerbutton_type(event->type),
        .button = button,
    };
    im->gp->ops->process_gamepad_button(im->gp, &evt);
@@ -1104,12 +993,8 @@ is_apk(const char *file) {
 static void
 sc_input_manager_process_file(struct sc_input_manager *im,
                              const SDL_DropEvent *event) {
-    if (im->camera || !im->controller) {
-        return;
-    }
-
-    assert(event->type == SDL_EVENT_DROP_FILE);
-    char *file = strdup(event->data);
+    char *file = strdup(event->file);
+    SDL_free(event->file);
    if (!file) {
        LOG_OOM();
        return;
@@ -1130,42 +1015,73 @@ sc_input_manager_process_file(struct sc_input_manager *im,
 void
 sc_input_manager_handle_event(struct sc_input_manager *im,
                              const SDL_Event *event) {
+    bool control = im->controller;
+    bool paused = im->screen->paused;
    switch (event->type) {
-        case SDL_EVENT_TEXT_INPUT:
+        case SDL_TEXTINPUT:
+            if (!im->kp || paused) {
+                break;
+            }
            sc_input_manager_process_text_input(im, &event->text);
            break;
-        case SDL_EVENT_KEY_DOWN:
-        case SDL_EVENT_KEY_UP:
+        case SDL_KEYDOWN:
+        case SDL_KEYUP:
+            // some key events do not interact with the device, so process the
+            // event even if control is disabled
            sc_input_manager_process_key(im, &event->key);
            break;
-        case SDL_EVENT_MOUSE_MOTION:
+        case SDL_MOUSEMOTION:
+            if (!im->mp || paused) {
+                break;
+            }
            sc_input_manager_process_mouse_motion(im, &event->motion);
            break;
-        case SDL_EVENT_MOUSE_WHEEL:
+        case SDL_MOUSEWHEEL:
+            if (!im->mp || paused) {
+                break;
+            }
            sc_input_manager_process_mouse_wheel(im, &event->wheel);
            break;
-        case SDL_EVENT_MOUSE_BUTTON_DOWN:
-        case SDL_EVENT_MOUSE_BUTTON_UP:
+        case SDL_MOUSEBUTTONDOWN:
+        case SDL_MOUSEBUTTONUP:
+            // some mouse events do not interact with the device, so process
+            // the event even if control is disabled
            sc_input_manager_process_mouse_button(im, &event->button);
            break;
-        case SDL_EVENT_FINGER_MOTION:
-        case SDL_EVENT_FINGER_DOWN:
-        case SDL_EVENT_FINGER_UP:
+        case SDL_FINGERMOTION:
+        case SDL_FINGERDOWN:
+        case SDL_FINGERUP:
+            if (!im->mp || paused) {
+                break;
+            }
            sc_input_manager_process_touch(im, &event->tfinger);
            break;
-        case SDL_EVENT_GAMEPAD_ADDED:
-        case SDL_EVENT_GAMEPAD_REMOVED:
-            sc_input_manager_process_gamepad_device(im, &event->gdevice);
+        case SDL_CONTROLLERDEVICEADDED:
+        case SDL_CONTROLLERDEVICEREMOVED:
+            // Handle device added or removed even if paused
+            if (!im->gp) {
+                break;
+            }
+            sc_input_manager_process_gamepad_device(im, &event->cdevice);
            break;
-        case SDL_EVENT_GAMEPAD_AXIS_MOTION:
-            sc_input_manager_process_gamepad_axis(im, &event->gaxis);
+        case SDL_CONTROLLERAXISMOTION:
+            if (!im->gp || paused) {
+                break;
+            }
+            sc_input_manager_process_gamepad_axis(im, &event->caxis);
            break;
-        case SDL_EVENT_GAMEPAD_BUTTON_DOWN:
-        case SDL_EVENT_GAMEPAD_BUTTON_UP:
-            sc_input_manager_process_gamepad_button(im, &event->gbutton);
+        case SDL_CONTROLLERBUTTONDOWN:
+        case SDL_CONTROLLERBUTTONUP:
+            if (!im->gp || paused) {
+                break;
+            }
+            sc_input_manager_process_gamepad_button(im, &event->cbutton);
            break;
-        case SDL_EVENT_DROP_FILE:
+        case SDL_DROPFILE: {
+            if (!control) {
+                break;
+            }
            sc_input_manager_process_file(im, &event->drop);
-            break;
+        }
    }
 }
--- a/app/src/input_manager.h
+++ b/app/src/input_manager.h
@@ -5,8 +5,8 @@

 #include <stdbool.h>
 #include <stdint.h>
-#include <SDL3/SDL_events.h>
-#include <SDL3/SDL_keycode.h>
+#include <SDL2/SDL_events.h>
+#include <SDL2/SDL_keycode.h>

 #include "controller.h"
 #include "file_pusher.h"
@@ -24,8 +24,6 @@ struct sc_input_manager {
    struct sc_mouse_processor *mp;
    struct sc_gamepad_processor *gp;

-    bool camera;
-
    struct sc_mouse_bindings mouse_bindings;
    bool legacy_paste;
    bool clipboard_autosync;
@@ -55,7 +53,6 @@ struct sc_input_manager_params {
    struct sc_key_processor *kp;
    struct sc_mouse_processor *mp;
    struct sc_gamepad_processor *gp;
-    bool camera;

    struct sc_mouse_bindings mouse_bindings;
    bool legacy_paste;
--- a/app/src/main.c
+++ b/app/src/main.c
@@ -1,18 +1,16 @@
 #include "common.h"

 #include <stdbool.h>
-#include <stdio.h>
 #ifdef HAVE_V4L2
 # include <libavdevice/avdevice.h>
 #endif
-#include <SDL3/SDL.h>
+#define SDL_MAIN_HANDLED // avoid link error on Linux Windows Subsystem
+#include <SDL2/SDL.h>

 #include "cli.h"
 #include "options.h"
 #include "scrcpy.h"
-#ifdef HAVE_USB
-# include "usb/scrcpy_otg.h"
-#endif
+#include "usb/scrcpy_otg.h"
 #include "util/log.h"
 #include "util/net.h"
 #include "util/thread.h"
--- a/app/src/mouse_capture.c
+++ b/app/src/mouse_capture.c
@@ -20,11 +20,14 @@ bool
 sc_mouse_capture_handle_event(struct sc_mouse_capture *mc,
                              const SDL_Event *event) {
    switch (event->type) {
-        case SDL_EVENT_WINDOW_FOCUS_LOST:
-            sc_mouse_capture_set_active(mc, false);
-            return true;
-        case SDL_EVENT_KEY_DOWN: {
-            SDL_Keycode key = event->key.key;
+        case SDL_WINDOWEVENT:
+            if (event->window.event == SDL_WINDOWEVENT_FOCUS_LOST) {
+                sc_mouse_capture_set_active(mc, false);
+                return true;
+            }
+            break;
+        case SDL_KEYDOWN: {
+            SDL_Keycode key = event->key.keysym.sym;
            if (sc_mouse_capture_is_capture_key(mc, key)) {
                if (!mc->mouse_capture_key_pressed) {
                    mc->mouse_capture_key_pressed = key;
@@ -38,8 +41,8 @@ sc_mouse_capture_handle_event(struct sc_mouse_capture *mc,
            }
            break;
        }
-        case SDL_EVENT_KEY_UP: {
-            SDL_Keycode key = event->key.key;
+        case SDL_KEYUP: {
+            SDL_Keycode key = event->key.keysym.sym;
            SDL_Keycode cap = mc->mouse_capture_key_pressed;
            mc->mouse_capture_key_pressed = 0;
            if (sc_mouse_capture_is_capture_key(mc, key)) {
@@ -53,24 +56,24 @@ sc_mouse_capture_handle_event(struct sc_mouse_capture *mc,
            }
            break;
        }
-        case SDL_EVENT_MOUSE_WHEEL:
-        case SDL_EVENT_MOUSE_MOTION:
-        case SDL_EVENT_MOUSE_BUTTON_DOWN:
+        case SDL_MOUSEWHEEL:
+        case SDL_MOUSEMOTION:
+        case SDL_MOUSEBUTTONDOWN:
            if (!sc_mouse_capture_is_active(mc)) {
-                // The mouse will be captured on SDL_EVENT_MOUSE_BUTTON_UP, so
-                // consume the event
+                // The mouse will be captured on SDL_MOUSEBUTTONUP, so consume
+                // the event
                return true;
            }
            break;
-        case SDL_EVENT_MOUSE_BUTTON_UP:
+        case SDL_MOUSEBUTTONUP:
            if (!sc_mouse_capture_is_active(mc)) {
                sc_mouse_capture_set_active(mc, true);
                return true;
            }
            break;
-        case SDL_EVENT_FINGER_MOTION:
-        case SDL_EVENT_FINGER_DOWN:
-        case SDL_EVENT_FINGER_UP:
+        case SDL_FINGERMOTION:
+        case SDL_FINGERDOWN:
+        case SDL_FINGERUP:
            // Touch events are not compatible with relative mode
            // (coordinates are not relative), so consume the event
            return true;
@@ -81,8 +84,27 @@ sc_mouse_capture_handle_event(struct sc_mouse_capture *mc,

 void
 sc_mouse_capture_set_active(struct sc_mouse_capture *mc, bool capture) {
-    bool ok = SDL_SetWindowRelativeMouseMode(mc->window, capture);
-    if (!ok) {
+#ifdef __APPLE__
+    // Workaround for SDL bug on macOS:
+    // <https://github.com/libsdl-org/SDL/issues/5340>
+    if (capture) {
+        int mouse_x, mouse_y;
+        SDL_GetGlobalMouseState(&mouse_x, &mouse_y);
+
+        int x, y, w, h;
+        SDL_GetWindowPosition(mc->window, &x, &y);
+        SDL_GetWindowSize(mc->window, &w, &h);
+
+        bool outside_window = mouse_x < x || mouse_x >= x + w
+                           || mouse_y < y || mouse_y >= y + h;
+        if (outside_window) {
+            SDL_WarpMouseInWindow(mc->window, w / 2, h / 2);
+        }
+    }
+#else
+    (void) mc;
+#endif
+    if (SDL_SetRelativeMouseMode(capture)) {
        LOGE("Could not set relative mouse mode to %s: %s",
             capture ? "true" : "false", SDL_GetError());
    }
@@ -90,7 +112,8 @@ sc_mouse_capture_set_active(struct sc_mouse_capture *mc, bool capture) {

 bool
 sc_mouse_capture_is_active(struct sc_mouse_capture *mc) {
-    return SDL_GetWindowRelativeMouseMode(mc->window);
+    (void) mc;
+    return SDL_GetRelativeMouseMode();
 }

 void
--- a/app/src/mouse_capture.h
+++ b/app/src/mouse_capture.h
@@ -5,7 +5,7 @@

 #include <stdbool.h>

-#include <SDL3/SDL.h>
+#include <SDL2/SDL.h>

 struct sc_mouse_capture {
    SDL_Window *window;
--- a/app/src/opengl.c
+++ b/app/src/opengl.c
@@ -3,29 +3,21 @@
 #include <assert.h>
 #include <stdio.h>
 #include <string.h>
-#include <SDL3/SDL.h>
+#include <SDL2/SDL.h>

 void
 sc_opengl_init(struct sc_opengl *gl) {
-    gl->GetString = (const GLubyte *(*)(GLenum))
-                    SDL_GL_GetProcAddress("glGetString");
+    gl->GetString = SDL_GL_GetProcAddress("glGetString");
    assert(gl->GetString);

-    gl->BindTexture = (void (*)(GLenum, GLuint))
-                      SDL_GL_GetProcAddress("glBindTexture");
-    assert(gl->BindTexture);
-
-    gl->TexParameterf = (void (*)(GLenum, GLenum, GLfloat))
-                        SDL_GL_GetProcAddress("glTexParameterf");
+    gl->TexParameterf = SDL_GL_GetProcAddress("glTexParameterf");
    assert(gl->TexParameterf);

-    gl->TexParameteri = (void (*)(GLenum, GLenum, GLint))
-                        SDL_GL_GetProcAddress("glTexParameteri");
+    gl->TexParameteri = SDL_GL_GetProcAddress("glTexParameteri");
    assert(gl->TexParameteri);

    // optional
-    gl->GenerateMipmap = (void (*)(GLenum))
-                         SDL_GL_GetProcAddress("glGenerateMipmap");
+    gl->GenerateMipmap = SDL_GL_GetProcAddress("glGenerateMipmap");

    const char *version = (const char *) gl->GetString(GL_VERSION);
    assert(version);
--- a/app/src/opengl.h
+++ b/app/src/opengl.h
@@ -4,7 +4,7 @@
 #include "common.h"

 #include <stdbool.h>
-#include <SDL3/SDL_opengl.h>
+#include <SDL2/SDL_opengl.h>

 struct sc_opengl {
    const char *version;
@@ -15,9 +15,6 @@ struct sc_opengl {
    const GLubyte *
    (*GetString)(GLenum name);

-    void
-    (*BindTexture)(GLenum target, GLuint texture);
-
    void
    (*TexParameterf)(GLenum target, GLenum pname, GLfloat param);

--- a/app/src/options.c
+++ b/app/src/options.c
@@ -16,7 +16,6 @@ const struct scrcpy_options scrcpy_options_default = {
    .camera_id = NULL,
    .camera_size = NULL,
    .camera_ar = NULL,
-    .camera_zoom = NULL,
    .camera_fps = 0,
    .log_level = SC_LOG_LEVEL_INFO,
    .video_codec = SC_CODEC_H264,
@@ -114,7 +113,6 @@ const struct scrcpy_options scrcpy_options_default = {
    .angle = NULL,
    .vd_destroy_content = true,
    .vd_system_decorations = true,
-    .camera_torch = false,
 };

 enum sc_orientation
--- a/app/src/options.h
+++ b/app/src/options.h
@@ -241,7 +241,6 @@ struct scrcpy_options {
    const char *camera_id;
    const char *camera_size;
    const char *camera_ar;
-    const char *camera_zoom;
    uint16_t camera_fps;
    enum sc_log_level log_level;
    enum sc_codec video_codec;
@@ -328,7 +327,6 @@ struct scrcpy_options {
    const char *start_app;
    bool vd_destroy_content;
    bool vd_system_decorations;
-    bool camera_torch;
 };

 extern const struct scrcpy_options scrcpy_options_default;
--- a/app/src/receiver.c
+++ b/app/src/receiver.c
@@ -2,8 +2,7 @@

 #include <assert.h>
 #include <inttypes.h>
-#include <stdlib.h>
-#include <SDL3/SDL_clipboard.h>
+#include <SDL2/SDL_clipboard.h>

 #include "device_msg.h"
 #include "events.h"
@@ -54,12 +53,8 @@ task_set_clipboard(void *userdata) {
    if (same) {
        LOGD("Computer clipboard unchanged");
    } else {
-        bool ok = SDL_SetClipboardText(text);
-        if (ok) {
-            LOGI("Device clipboard copied");
-        } else {
-            LOGE("Could not set clipboard: %s", SDL_GetError());
-        }
+        LOGI("Device clipboard copied");
+        SDL_SetClipboardText(text);
    }

    free(text);
--- a/app/src/recorder.c
+++ b/app/src/recorder.c
@@ -444,7 +444,7 @@ sc_recorder_process_packets(struct sc_recorder *recorder) {
    int ret = av_write_trailer(recorder->ctx);
    if (ret < 0) {
        LOGE("Failed to write trailer to %s", recorder->filename);
-        error = true;
+        error = false;
    }

 end:
@@ -541,10 +541,7 @@ sc_recorder_set_orientation(AVStream *stream, enum sc_orientation orientation) {

 static bool
 sc_recorder_video_packet_sink_open(struct sc_packet_sink *sink,
-                                   AVCodecContext *ctx,
-                                   const struct sc_stream_session *session) {
-    (void) session;
-
+                                   AVCodecContext *ctx) {
    struct sc_recorder *recorder = DOWNCAST_VIDEO(sink);
    // only written from this thread, no need to lock
    assert(!recorder->video_init);
@@ -638,10 +635,7 @@ sc_recorder_video_packet_sink_push(struct sc_packet_sink *sink,

 static bool
 sc_recorder_audio_packet_sink_open(struct sc_packet_sink *sink,
-                                   AVCodecContext *ctx,
-                                   const struct sc_stream_session *session) {
-    (void) session;
-
+                                   AVCodecContext *ctx) {
    struct sc_recorder *recorder = DOWNCAST_AUDIO(sink);
    assert(recorder->audio);
    // only written from this thread, no need to lock
--- a/app/src/scrcpy.c
+++ b/app/src/scrcpy.c
@@ -6,7 +6,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <SDL3/SDL.h>
+#include <SDL2/SDL.h>

 #ifdef _WIN32
 // not needed here, but winsock2.h must never be included AFTER windows.h
@@ -93,8 +93,8 @@ struct scrcpy {

 #ifdef _WIN32
 static BOOL WINAPI windows_ctrl_handler(DWORD ctrl_type) {
-    if (ctrl_type == CTRL_C_EVENT || ctrl_type == CTRL_BREAK_EVENT) {
-        sc_push_event(SDL_EVENT_QUIT);
+    if (ctrl_type == CTRL_C_EVENT) {
+        sc_push_event(SDL_QUIT);
        return TRUE;
    }
    return FALSE;
@@ -108,26 +108,41 @@ sdl_set_hints(const char *render_driver) {
    }

    // App name used in various contexts (such as PulseAudio)
+#if defined(SCRCPY_SDL_HAS_HINT_APP_NAME)
    if (!SDL_SetHint(SDL_HINT_APP_NAME, "scrcpy")) {
        LOGW("Could not set app name");
    }
+#elif defined(SCRCPY_SDL_HAS_HINT_AUDIO_DEVICE_APP_NAME)
+    if (!SDL_SetHint(SDL_HINT_AUDIO_DEVICE_APP_NAME, "scrcpy")) {
+        LOGW("Could not set audio device app name");
+    }
+#endif
+
+    // Linear filtering
+    if (!SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "1")) {
+        LOGW("Could not enable linear filtering");
+    }

    // Handle a click to gain focus as any other click
    if (!SDL_SetHint(SDL_HINT_MOUSE_FOCUS_CLICKTHROUGH, "1")) {
        LOGW("Could not enable mouse focus clickthrough");
    }

+#ifdef SCRCPY_SDL_HAS_HINT_TOUCH_MOUSE_EVENTS
    // Disable synthetic mouse events from touch events
    // Touch events with id SDL_TOUCH_MOUSEID are ignored anyway, but it is
    // better not to generate them in the first place.
    if (!SDL_SetHint(SDL_HINT_TOUCH_MOUSE_EVENTS, "0")) {
        LOGW("Could not disable synthetic mouse events");
    }
+#endif

+#ifdef SCRCPY_SDL_HAS_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR
    // Disable compositor bypassing on X11
    if (!SDL_SetHint(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, "0")) {
        LOGW("Could not disable X11 compositor bypass");
    }
+#endif

    // Do not minimize on focus loss
    if (!SDL_SetHint(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, "0")) {
@@ -154,15 +169,9 @@ sdl_configure(bool video_playback, bool disable_screensaver) {
    }

    if (disable_screensaver) {
-        bool ok = SDL_DisableScreenSaver();
-        if (!ok) {
-            LOGW("Could not disable screen saver");
-        }
+        SDL_DisableScreenSaver();
    } else {
-        bool ok = SDL_EnableScreenSaver();
-        if (!ok) {
-            LOGW("Could not enable screen saver");
-        }
+        SDL_EnableScreenSaver();
    }
 }

@@ -189,7 +198,7 @@ event_loop(struct scrcpy *s, bool has_screen) {
            case SC_EVENT_TIME_LIMIT_REACHED:
                LOGI("Time limit reached");
                return SCRCPY_EXIT_SUCCESS;
-            case SDL_EVENT_QUIT:
+            case SDL_QUIT:
                LOGD("User requested to quit");
                return SCRCPY_EXIT_SUCCESS;
            case SC_EVENT_RUN_ON_MAIN_THREAD: {
@@ -199,8 +208,8 @@ event_loop(struct scrcpy *s, bool has_screen) {
                break;
            }
            default:
-                if (has_screen) {
-                    sc_screen_handle_event(&s->screen, &event);
+                if (has_screen && !sc_screen_handle_event(&s->screen, &event)) {
+                    return SCRCPY_EXIT_FAILURE;
                }
                break;
        }
@@ -229,7 +238,7 @@ await_for_server(bool *connected) {
    SDL_Event event;
    while (SDL_WaitEvent(&event)) {
        switch (event.type) {
-            case SDL_EVENT_QUIT:
+            case SDL_QUIT:
                if (connected) {
                    *connected = false;
                }
@@ -355,21 +364,14 @@ scrcpy_generate_scid(void) {

 static void
 init_sdl_gamepads(void) {
-    // Trigger a SDL_EVENT_GAMEPAD_ADDED event for all gamepads already
+    // Trigger a SDL_CONTROLLERDEVICEADDED event for all gamepads already
    // connected
-    int count;
-    SDL_JoystickID *joysticks = SDL_GetJoysticks(&count);
-    if (!joysticks) {
-        LOGE("Could not list joysticks: %s", SDL_GetError());
-        return;
-    }
-
-    for (int i = 0; i < count; ++i) {
-        SDL_JoystickID joystick = joysticks[i];
-        if (SDL_IsGamepad(joystick)) {
+    int num_joysticks = SDL_NumJoysticks();
+    for (int i = 0; i < num_joysticks; ++i) {
+        if (SDL_IsGameController(i)) {
            SDL_Event event;
-            event.gdevice.type = SDL_EVENT_GAMEPAD_ADDED;
-            event.gdevice.which = i;
+            event.cdevice.type = SDL_CONTROLLERDEVICEADDED;
+            event.cdevice.which = i;
            SDL_PushEvent(&event);
        }
    }
@@ -385,7 +387,7 @@ scrcpy(struct scrcpy_options *options) {
    struct scrcpy *s = &scrcpy;

    // Minimal SDL initialization
-    if (!SDL_Init(SDL_INIT_EVENTS)) {
+    if (SDL_Init(SDL_INIT_EVENTS)) {
        LOGE("Could not initialize SDL: %s", SDL_GetError());
        return SCRCPY_EXIT_FAILURE;
    }
@@ -469,8 +471,6 @@ scrcpy(struct scrcpy_options *options) {
        .power_on = options->power_on,
        .kill_adb_on_close = options->kill_adb_on_close,
        .camera_high_speed = options->camera_high_speed,
-        .camera_torch = options->camera_torch,
-        .camera_zoom = options->camera_zoom,
        .vd_destroy_content = options->vd_destroy_content,
        .vd_system_decorations = options->vd_system_decorations,
        .list = options->list,
@@ -513,7 +513,7 @@ scrcpy(struct scrcpy_options *options) {
        // --no-video-playback is passed so that clipboard synchronization
        // still works.
        // <https://github.com/Genymobile/scrcpy/issues/4418>
-        if (!SDL_Init(SDL_INIT_VIDEO)) {
+        if (SDL_Init(SDL_INIT_VIDEO)) {
            // If it fails, it is an error only if video playback is enabled
            if (options->video_playback) {
                LOGE("Could not initialize SDL video: %s", SDL_GetError());
@@ -525,14 +525,14 @@ scrcpy(struct scrcpy_options *options) {
    }

    if (options->audio_playback) {
-        if (!SDL_Init(SDL_INIT_AUDIO)) {
+        if (SDL_Init(SDL_INIT_AUDIO)) {
            LOGE("Could not initialize SDL audio: %s", SDL_GetError());
            goto end;
        }
    }

    if (options->gamepad_input_mode != SC_GAMEPAD_INPUT_MODE_DISABLED) {
-        if (!SDL_Init(SDL_INIT_GAMEPAD)) {
+        if (SDL_Init(SDL_INIT_GAMECONTROLLER)) {
            LOGE("Could not initialize SDL gamepad: %s", SDL_GetError());
            goto end;
        }
@@ -564,7 +564,7 @@ scrcpy(struct scrcpy_options *options) {

    struct sc_file_pusher *fp = NULL;

-    if (options->window && options->control) {
+    if (options->video_playback && options->control) {
        if (!sc_file_pusher_init(&s->file_pusher, serial,
                                 options->push_target)) {
            goto end;
@@ -804,7 +804,6 @@ aoa_complete:

        struct sc_screen_params screen_params = {
            .video = options->video_playback,
-            .camera = options->video_source == SC_VIDEO_SOURCE_CAMERA,
            .controller = controller,
            .fp = fp,
            .kp = kp,
@@ -949,7 +948,7 @@ aoa_complete:
    terminate_event_loop();
    LOGD("quit...");

-    if (options->window) {
+    if (options->video_playback) {
        // Close the window immediately on closing, because screen_destroy()
        // may only be called once the video demuxer thread is joined (it may
        // take time)
--- a/app/src/screen.c
+++ b/app/src/screen.c
@@ -2,13 +2,12 @@

 #include <assert.h>
 #include <string.h>
-#include <SDL3/SDL.h>
+#include <SDL2/SDL.h>

 #include "events.h"
 #include "icon.h"
 #include "options.h"
 #include "util/log.h"
-#include "util/sdl.h"

 #define DISPLAY_MARGINS 96

@@ -27,25 +26,45 @@ get_oriented_size(struct sc_size size, enum sc_orientation orientation) {
    return oriented_size;
 }

-static inline bool
-is_windowed(struct sc_screen *screen) {
-    return !(SDL_GetWindowFlags(screen->window) & (SDL_WINDOW_FULLSCREEN
-                                                 | SDL_WINDOW_MINIMIZED
-                                                 | SDL_WINDOW_MAXIMIZED));
+// get the window size in a struct sc_size
+static struct sc_size
+get_window_size(const struct sc_screen *screen) {
+    int width;
+    int height;
+    SDL_GetWindowSize(screen->window, &width, &height);
+
+    struct sc_size size;
+    size.width = width;
+    size.height = height;
+    return size;
+}
+
+static struct sc_point
+get_window_position(const struct sc_screen *screen) {
+    int x;
+    int y;
+    SDL_GetWindowPosition(screen->window, &x, &y);
+
+    struct sc_point point;
+    point.x = x;
+    point.y = y;
+    return point;
+}
+
+// set the window size to be applied when fullscreen is disabled
+static void
+set_window_size(struct sc_screen *screen, struct sc_size new_size) {
+    assert(!screen->fullscreen);
+    assert(!screen->maximized);
+    assert(!screen->minimized);
+    SDL_SetWindowSize(screen->window, new_size.width, new_size.height);
 }

 // get the preferred display bounds (i.e. the screen bounds with some margins)
 static bool
 get_preferred_display_bounds(struct sc_size *bounds) {
    SDL_Rect rect;
-    SDL_DisplayID display = SDL_GetPrimaryDisplay();
-    if (!display) {
-        LOGW("Could not get primary display: %s", SDL_GetError());
-        return false;
-    }
-
-    bool ok = SDL_GetDisplayUsableBounds(display, &rect);
-    if (!ok) {
+    if (SDL_GetDisplayUsableBounds(0, &rect)) {
        LOGW("Could not get display usable bounds: %s", SDL_GetError());
        return false;
    }
@@ -144,113 +163,69 @@ sc_screen_is_relative_mode(struct sc_screen *screen) {
 }

 static void
-compute_content_rect(struct sc_size render_size, struct sc_size content_size,
-                     bool can_upscale, SDL_FRect *rect) {
-    if (is_optimal_size(render_size, content_size)) {
+sc_screen_update_content_rect(struct sc_screen *screen) {
+    assert(screen->video);
+
+    int dw;
+    int dh;
+    SDL_GL_GetDrawableSize(screen->window, &dw, &dh);
+
+    struct sc_size content_size = screen->content_size;
+    // The drawable size is the window size * the HiDPI scale
+    struct sc_size drawable_size = {dw, dh};
+
+    SDL_Rect *rect = &screen->rect;
+
+    if (is_optimal_size(drawable_size, content_size)) {
        rect->x = 0;
        rect->y = 0;
-        rect->w = render_size.width;
-        rect->h = render_size.height;
+        rect->w = drawable_size.width;
+        rect->h = drawable_size.height;
        return;
    }

-    if (!can_upscale && content_size.width <= render_size.width
-                     && content_size.height <= render_size.height) {
-        // Center without upscaling
-        rect->x = (render_size.width - content_size.width) / 2.f;
-        rect->y = (render_size.height - content_size.height) / 2.f;
-        rect->w = content_size.width;
-        rect->h = content_size.height;
-        return;
-    }
-
-    bool keep_width = content_size.width * render_size.height
-                    > content_size.height * render_size.width;
+    bool keep_width = content_size.width * drawable_size.height
+                    > content_size.height * drawable_size.width;
    if (keep_width) {
        rect->x = 0;
-        rect->w = render_size.width;
-        rect->h = (float) render_size.width * content_size.height
-                                            / content_size.width;
-        rect->y = (render_size.height - rect->h) / 2.f;
+        rect->w = drawable_size.width;
+        rect->h = drawable_size.width * content_size.height
+                                      / content_size.width;
+        rect->y = (drawable_size.height - rect->h) / 2;
    } else {
        rect->y = 0;
-        rect->h = render_size.height;
-        rect->w = (float) render_size.height * content_size.width
-                                             / content_size.height;
-        rect->x = (render_size.width - rect->w) / 2.f;
+        rect->h = drawable_size.height;
+        rect->w = drawable_size.height * content_size.width
+                                       / content_size.height;
+        rect->x = (drawable_size.width - rect->w) / 2;
    }
 }

-static void
-sc_screen_update_content_rect(struct sc_screen *screen) {
-    // Only upscale video frames, not icon
-    bool can_upscale = screen->video;
-
-    struct sc_size render_size =
-        sc_sdl_get_render_output_size(screen->renderer);
-    compute_content_rect(render_size, screen->content_size, can_upscale,
-                         &screen->rect);
-}
-
 // render the texture to the renderer
 //
 // Set the update_content_rect flag if the window or content size may have
 // changed, so that the content rectangle is recomputed
 static void
 sc_screen_render(struct sc_screen *screen, bool update_content_rect) {
-    assert(!screen->video || screen->has_video_window);
+    assert(screen->video);

    if (update_content_rect) {
        sc_screen_update_content_rect(screen);
    }

-    SDL_Renderer *renderer = screen->renderer;
-    sc_sdl_render_clear(renderer);
-
-    bool ok = false;
-    SDL_Texture *texture = screen->tex.texture;
-    if (!texture) {
-        LOGW("No texture to render");
-        goto end;
-    }
-
-    SDL_FRect *geometry = &screen->rect;
-    enum sc_orientation orientation = screen->orientation;
-
-    if (orientation == SC_ORIENTATION_0) {
-        ok = SDL_RenderTexture(renderer, texture, NULL, geometry);
-    } else {
-        unsigned cw_rotation = sc_orientation_get_rotation(orientation);
-        double angle = 90 * cw_rotation;
-
-        const SDL_FRect *dstrect = NULL;
-        SDL_FRect rect;
-        if (sc_orientation_is_swap(orientation)) {
-            rect.x = geometry->x + (geometry->w - geometry->h) / 2.f;
-            rect.y = geometry->y + (geometry->h - geometry->w) / 2.f;
-            rect.w = geometry->h;
-            rect.h = geometry->w;
-            dstrect = &rect;
-        } else {
-            dstrect = geometry;
-        }
-
-        SDL_FlipMode flip = sc_orientation_is_mirror(orientation)
-                              ? SDL_FLIP_HORIZONTAL : 0;
-
-        ok = SDL_RenderTextureRotated(renderer, texture, NULL, dstrect, angle,
-                                      NULL, flip);
-    }
-
-    if (!ok) {
-        LOGE("Could not render texture: %s", SDL_GetError());
-    }
-
-end:
-    sc_sdl_render_present(renderer);
+    enum sc_display_result res =
+        sc_display_render(&screen->display, &screen->rect, screen->orientation);
+    (void) res; // any error already logged
 }

-#if defined(__APPLE__) || defined(_WIN32)
+static void
+sc_screen_render_novideo(struct sc_screen *screen) {
+    enum sc_display_result res =
+        sc_display_render(&screen->display, NULL, SC_ORIENTATION_0);
+    (void) res; // any error already logged
+}
+
+#if defined(__APPLE__) || defined(__WINDOWS__)
 # define CONTINUOUS_RESIZING_WORKAROUND
 #endif

@@ -260,31 +235,28 @@ end:
 //
 // <https://bugzilla.libsdl.org/show_bug.cgi?id=2077>
 // <https://stackoverflow.com/a/40693139/1987178>
-static bool
+static int
 event_watcher(void *data, SDL_Event *event) {
    struct sc_screen *screen = data;
    assert(screen->video);

-    if (event->type == SDL_EVENT_WINDOW_RESIZED) {
+    if (event->type == SDL_WINDOWEVENT
+            && event->window.event == SDL_WINDOWEVENT_RESIZED) {
        // In practice, it seems to always be called from the same thread in
        // that specific case. Anyway, it's just a workaround.
        sc_screen_render(screen, true);
    }
-
-    return true;
+    return 0;
 }
 #endif

 static bool
 sc_screen_frame_sink_open(struct sc_frame_sink *sink,
-                          const AVCodecContext *ctx,
-                          const struct sc_stream_session *session) {
+                          const AVCodecContext *ctx) {
    assert(ctx->pix_fmt == AV_PIX_FMT_YUV420P);
    (void) ctx;
-    (void) session;

    struct sc_screen *screen = DOWNCAST(sink);
-    (void) screen;

    if (ctx->width <= 0 || ctx->width > 0xFFFF
            || ctx->height <= 0 || ctx->height > 0xFFFF) {
@@ -292,6 +264,19 @@ sc_screen_frame_sink_open(struct sc_frame_sink *sink,
        return false;
    }

+    assert(ctx->width > 0 && ctx->width <= 0xFFFF);
+    assert(ctx->height > 0 && ctx->height <= 0xFFFF);
+    // screen->frame_size is never used before the event is pushed, and the
+    // event acts as a memory barrier so it is safe without mutex
+    screen->frame_size.width = ctx->width;
+    screen->frame_size.height = ctx->height;
+
+    // Post the event on the UI thread (the texture must be created from there)
+    bool ok = sc_push_event(SC_EVENT_SCREEN_INIT_SIZE);
+    if (!ok) {
+        return false;
+    }
+
 #ifndef NDEBUG
    screen->open = true;
 #endif
@@ -342,13 +327,14 @@ sc_screen_init(struct sc_screen *screen,
               const struct sc_screen_params *params) {
    screen->resize_pending = false;
    screen->has_frame = false;
-    screen->has_video_window = false;
+    screen->fullscreen = false;
+    screen->maximized = false;
+    screen->minimized = false;
    screen->paused = false;
    screen->resume_frame = NULL;
    screen->orientation = SC_ORIENTATION_0;

    screen->video = params->video;
-    screen->camera = params->camera;

    screen->req.x = params->window_x;
    screen->req.y = params->window_y;
@@ -374,8 +360,7 @@ sc_screen_init(struct sc_screen *screen,
        }
    }

-    // Always create the window hidden to prevent blinking during initialization
-    uint32_t window_flags = SDL_WINDOW_HIGH_PIXEL_DENSITY | SDL_WINDOW_HIDDEN;
+    uint32_t window_flags = SDL_WINDOW_ALLOW_HIGHDPI;
    if (params->always_on_top) {
        window_flags |= SDL_WINDOW_ALWAYS_ON_TOP;
    }
@@ -384,7 +369,8 @@ sc_screen_init(struct sc_screen *screen,
    }
    if (params->video) {
        // The window will be shown on first frame
-        window_flags |= SDL_WINDOW_RESIZABLE;
+        window_flags |= SDL_WINDOW_HIDDEN
+                      | SDL_WINDOW_RESIZABLE;
    }

    const char *title = params->window_title;
@@ -408,86 +394,39 @@ sc_screen_init(struct sc_screen *screen,
    }

    // The window will be positioned and sized on first video frame
-    screen->window =
-        sc_sdl_create_window(title, x, y, width, height, window_flags);
+    screen->window = SDL_CreateWindow(title, x, y, width, height, window_flags);
    if (!screen->window) {
        LOGE("Could not create window: %s", SDL_GetError());
        goto error_destroy_fps_counter;
    }

-    screen->renderer = SDL_CreateRenderer(screen->window, NULL);
-    if (!screen->renderer) {
-        LOGE("Could not create renderer: %s", SDL_GetError());
-        goto error_destroy_window;
-    }
-
-#ifdef SC_DISPLAY_FORCE_OPENGL_CORE_PROFILE
-    screen->gl_context = NULL;
-
-    // starts with "opengl"
-    const char *renderer_name = SDL_GetRendererName(screen->renderer);
-    bool use_opengl = renderer_name && !strncmp(renderer_name, "opengl", 6);
-    if (use_opengl) {
-        // Persuade macOS to give us something better than OpenGL 2.1.
-        // If we create a Core Profile context, we get the best OpenGL version.
-        bool ok = SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK,
-                                      SDL_GL_CONTEXT_PROFILE_CORE);
-        if (!ok) {
-            LOGW("Could not set a GL Core Profile Context");
-        }
-
-        LOGD("Creating OpenGL Core Profile context");
-        screen->gl_context = SDL_GL_CreateContext(screen->window);
-        if (!screen->gl_context) {
-            LOGE("Could not create OpenGL context: %s", SDL_GetError());
-            goto error_destroy_renderer;
-        }
-    }
-#endif
-
-    bool mipmaps = params->video;
-    ok = sc_texture_init(&screen->tex, screen->renderer, mipmaps);
-    if (!ok) {
-        goto error_destroy_renderer;
-    }
-
-    ok = SDL_StartTextInput(screen->window);
-    if (!ok) {
-        LOGE("Could not enable text input: %s", SDL_GetError());
-        goto error_destroy_texture;
-    }
-
    SDL_Surface *icon = scrcpy_icon_load();
    if (icon) {
-        if (!SDL_SetWindowIcon(screen->window, icon)) {
-            LOGW("Could not set window icon: %s", SDL_GetError());
-        }
-
-        if (!params->video) {
-            screen->content_size.width = icon->w;
-            screen->content_size.height = icon->h;
-            ok = sc_texture_set_from_surface(&screen->tex, icon);
-            if (!ok) {
-                LOGE("Could not set icon: %s", SDL_GetError());
-            }
-        }
-
-        scrcpy_icon_destroy(icon);
+        SDL_SetWindowIcon(screen->window, icon);
+    } else if (params->video) {
+        // just a warning
+        LOGW("Could not load icon");
    } else {
-        // not fatal
+        // without video, the icon is used as window content, it must be present
        LOGE("Could not load icon");
+        goto error_destroy_fps_counter;
+    }

-        if (!params->video) {
-            // Make sure the content size is initialized
-            screen->content_size.width = 256;
-            screen->content_size.height = 256;
-        }
+    SDL_Surface *icon_novideo = params->video ? NULL : icon;
+    bool mipmaps = params->video && params->mipmaps;
+    ok = sc_display_init(&screen->display, screen->window, icon_novideo,
+                         mipmaps);
+    if (icon) {
+        scrcpy_icon_destroy(icon);
+    }
+    if (!ok) {
+        goto error_destroy_window;
    }

    screen->frame = av_frame_alloc();
    if (!screen->frame) {
        LOG_OOM();
-        goto error_destroy_texture;
+        goto error_destroy_display;
    }

    struct sc_input_manager_params im_params = {
@@ -497,7 +436,6 @@ sc_screen_init(struct sc_screen *screen,
        .kp = params->kp,
        .mp = params->mp,
        .gp = params->gp,
-        .camera = params->camera,
        .mouse_bindings = params->mouse_bindings,
        .legacy_paste = params->legacy_paste,
        .clipboard_autosync = params->clipboard_autosync,
@@ -511,11 +449,7 @@ sc_screen_init(struct sc_screen *screen,

 #ifdef CONTINUOUS_RESIZING_WORKAROUND
    if (screen->video) {
-        ok = SDL_AddEventWatch(event_watcher, screen);
-        if (!ok) {
-            LOGW("Could not add event watcher for continuous resizing: %s",
-                 SDL_GetError());
-        }
+        SDL_AddEventWatch(event_watcher, screen);
    }
 #endif

@@ -531,27 +465,15 @@ sc_screen_init(struct sc_screen *screen,
    screen->open = false;
 #endif

-    if (!screen->video) {
-        // Show the window immediately
-        sc_sdl_show_window(screen->window);
-
-        if (sc_screen_is_relative_mode(screen)) {
-            // Capture mouse immediately if video mirroring is disabled
-            sc_mouse_capture_set_active(&screen->mc, true);
-        }
+    if (!screen->video && sc_screen_is_relative_mode(screen)) {
+        // Capture mouse immediately if video mirroring is disabled
+        sc_mouse_capture_set_active(&screen->mc, true);
    }

    return true;

-error_destroy_texture:
-    sc_texture_destroy(&screen->tex);
-error_destroy_renderer:
-#ifdef SC_DISPLAY_FORCE_OPENGL_CORE_PROFILE
-    if (screen->gl_context) {
-        SDL_GL_DestroyContext(screen->gl_context);
-    }
-#endif
-    SDL_DestroyRenderer(screen->renderer);
+error_destroy_display:
+    sc_display_destroy(&screen->display);
 error_destroy_window:
    SDL_DestroyWindow(screen->window);
 error_destroy_fps_counter:
@@ -568,18 +490,13 @@ sc_screen_show_initial_window(struct sc_screen *screen) {
          ? screen->req.x : (int) SDL_WINDOWPOS_CENTERED;
    int y = screen->req.y != SC_WINDOW_POSITION_UNDEFINED
          ? screen->req.y : (int) SDL_WINDOWPOS_CENTERED;
-    struct sc_point position = {
-        .x = x,
-        .y = y,
-    };

    struct sc_size window_size =
        get_initial_optimal_size(screen->content_size, screen->req.width,
                                                       screen->req.height);

-    assert(is_windowed(screen));
-    sc_sdl_set_window_size(screen->window, window_size);
-    sc_sdl_set_window_position(screen->window, position);
+    set_window_size(screen, window_size);
+    SDL_SetWindowPosition(screen->window, x, y);

    if (screen->req.fullscreen) {
        sc_screen_toggle_fullscreen(screen);
@@ -589,13 +506,13 @@ sc_screen_show_initial_window(struct sc_screen *screen) {
        sc_fps_counter_start(&screen->fps_counter);
    }

-    sc_sdl_show_window(screen->window);
+    SDL_ShowWindow(screen->window);
    sc_screen_update_content_rect(screen);
 }

 void
 sc_screen_hide_window(struct sc_screen *screen) {
-    sc_sdl_hide_window(screen->window);
+    SDL_HideWindow(screen->window);
 }

 void
@@ -613,12 +530,8 @@ sc_screen_destroy(struct sc_screen *screen) {
 #ifndef NDEBUG
    assert(!screen->open);
 #endif
-    sc_texture_destroy(&screen->tex);
+    sc_display_destroy(&screen->display);
    av_frame_free(&screen->frame);
-#ifdef SC_DISPLAY_FORCE_OPENGL_CORE_PROFILE
-    SDL_GL_DestroyContext(screen->gl_context);
-#endif
-    SDL_DestroyRenderer(screen->renderer);
    SDL_DestroyWindow(screen->window);
    sc_fps_counter_destroy(&screen->fps_counter);
    sc_frame_buffer_destroy(&screen->fb);
@@ -629,7 +542,7 @@ resize_for_content(struct sc_screen *screen, struct sc_size old_content_size,
                   struct sc_size new_content_size) {
    assert(screen->video);

-    struct sc_size window_size = sc_sdl_get_window_size(screen->window);
+    struct sc_size window_size = get_window_size(screen);
    struct sc_size target_size = {
        .width = (uint32_t) window_size.width * new_content_size.width
                / old_content_size.width,
@@ -637,15 +550,14 @@ resize_for_content(struct sc_screen *screen, struct sc_size old_content_size,
                / old_content_size.height,
    };
    target_size = get_optimal_size(target_size, new_content_size, true);
-    assert(is_windowed(screen));
-    sc_sdl_set_window_size(screen->window, target_size);
+    set_window_size(screen, target_size);
 }

 static void
 set_content_size(struct sc_screen *screen, struct sc_size new_content_size) {
    assert(screen->video);

-    if (is_windowed(screen)) {
+    if (!screen->fullscreen && !screen->maximized && !screen->minimized) {
        resize_for_content(screen, screen->content_size, new_content_size);
    } else if (!screen->resize_pending) {
        // Store the windowed size to be able to compute the optimal size once
@@ -661,7 +573,9 @@ static void
 apply_pending_resize(struct sc_screen *screen) {
    assert(screen->video);

-    assert(is_windowed(screen));
+    assert(!screen->fullscreen);
+    assert(!screen->maximized);
+    assert(!screen->minimized);
    if (screen->resize_pending) {
        resize_for_content(screen, screen->windowed_content_size,
                                   screen->content_size);
@@ -689,6 +603,44 @@ sc_screen_set_orientation(struct sc_screen *screen,
    sc_screen_render(screen, true);
 }

+static bool
+sc_screen_init_size(struct sc_screen *screen) {
+    // Before first frame
+    assert(!screen->has_frame);
+
+    // The requested size is passed via screen->frame_size
+
+    struct sc_size content_size =
+        get_oriented_size(screen->frame_size, screen->orientation);
+    screen->content_size = content_size;
+
+    enum sc_display_result res =
+        sc_display_set_texture_size(&screen->display, screen->frame_size);
+    return res != SC_DISPLAY_RESULT_ERROR;
+}
+
+// recreate the texture and resize the window if the frame size has changed
+static enum sc_display_result
+prepare_for_frame(struct sc_screen *screen, struct sc_size new_frame_size) {
+    assert(screen->video);
+
+    if (screen->frame_size.width == new_frame_size.width
+            && screen->frame_size.height == new_frame_size.height) {
+        return SC_DISPLAY_RESULT_OK;
+    }
+
+    // frame dimension changed
+    screen->frame_size = new_frame_size;
+
+    struct sc_size new_content_size =
+        get_oriented_size(new_frame_size, screen->orientation);
+    set_content_size(screen, new_content_size);
+
+    sc_screen_update_content_rect(screen);
+
+    return sc_display_set_texture_size(&screen->display, screen->frame_size);
+}
+
 static bool
 sc_screen_apply_frame(struct sc_screen *screen) {
    assert(screen->video);
@@ -697,34 +649,26 @@ sc_screen_apply_frame(struct sc_screen *screen) {

    AVFrame *frame = screen->frame;
    struct sc_size new_frame_size = {frame->width, frame->height};
-
-    if (!screen->has_frame
-            || screen->frame_size.width != new_frame_size.width
-            || screen->frame_size.height != new_frame_size.height) {
-
-        // frame dimension changed
-        screen->frame_size = new_frame_size;
-
-        struct sc_size new_content_size =
-            get_oriented_size(new_frame_size, screen->orientation);
-        if (screen->has_frame) {
-            set_content_size(screen, new_content_size);
-            sc_screen_update_content_rect(screen);
-        } else {
-            // This is the first frame
-            screen->has_frame = true;
-            screen->content_size = new_content_size;
-        }
-    }
-
-    bool ok = sc_texture_set_from_frame(&screen->tex, frame);
-    if (!ok) {
+    enum sc_display_result res = prepare_for_frame(screen, new_frame_size);
+    if (res == SC_DISPLAY_RESULT_ERROR) {
        return false;
    }
+    if (res == SC_DISPLAY_RESULT_PENDING) {
+        // Not an error, but do not continue
+        return true;
+    }

-    assert(screen->has_frame);
-    if (!screen->has_video_window) {
-        screen->has_video_window = true;
+    res = sc_display_update_texture(&screen->display, frame);
+    if (res == SC_DISPLAY_RESULT_ERROR) {
+        return false;
+    }
+    if (res == SC_DISPLAY_RESULT_PENDING) {
+        // Not an error, but do not continue
+        return true;
+    }
+
+    if (!screen->has_frame) {
+        screen->has_frame = true;
        // this is the very first frame, show the window
        sc_screen_show_initial_window(screen);

@@ -776,10 +720,7 @@ sc_screen_set_paused(struct sc_screen *screen, bool paused) {
        av_frame_free(&screen->frame);
        screen->frame = screen->resume_frame;
        screen->resume_frame = NULL;
-        bool ok = sc_screen_apply_frame(screen);
-        if (!ok) {
-            LOGE("Resume frame update failed");
-        }
+        sc_screen_apply_frame(screen);
    }

    if (!paused) {
@@ -797,28 +738,31 @@ void
 sc_screen_toggle_fullscreen(struct sc_screen *screen) {
    assert(screen->video);

-    bool req_fullscreen =
-        !(SDL_GetWindowFlags(screen->window) & SDL_WINDOW_FULLSCREEN);
-
-    bool ok = SDL_SetWindowFullscreen(screen->window, req_fullscreen);
-    if (!ok) {
+    uint32_t new_mode = screen->fullscreen ? 0 : SDL_WINDOW_FULLSCREEN_DESKTOP;
+    if (SDL_SetWindowFullscreen(screen->window, new_mode)) {
        LOGW("Could not switch fullscreen mode: %s", SDL_GetError());
        return;
    }

-    LOGD("Requested %s mode", req_fullscreen ? "fullscreen" : "windowed");
+    screen->fullscreen = !screen->fullscreen;
+    if (!screen->fullscreen && !screen->maximized && !screen->minimized) {
+        apply_pending_resize(screen);
+    }
+
+    LOGD("Switched to %s mode", screen->fullscreen ? "fullscreen" : "windowed");
+    sc_screen_render(screen, true);
 }

 void
 sc_screen_resize_to_fit(struct sc_screen *screen) {
    assert(screen->video);

-    if (!is_windowed(screen)) {
+    if (screen->fullscreen || screen->maximized || screen->minimized) {
        return;
    }

-    struct sc_point point = sc_sdl_get_window_position(screen->window);
-    struct sc_size window_size = sc_sdl_get_window_size(screen->window);
+    struct sc_point point = get_window_position(screen);
+    struct sc_size window_size = get_window_size(screen);

    struct sc_size optimal_size =
        get_optimal_size(window_size, screen->content_size, false);
@@ -826,14 +770,11 @@ sc_screen_resize_to_fit(struct sc_screen *screen) {
    // Center the window related to the device screen
    assert(optimal_size.width <= window_size.width);
    assert(optimal_size.height <= window_size.height);
+    uint32_t new_x = point.x + (window_size.width - optimal_size.width) / 2;
+    uint32_t new_y = point.y + (window_size.height - optimal_size.height) / 2;

-    struct sc_point new_position = {
-        .x = point.x + (window_size.width - optimal_size.width) / 2,
-        .y = point.y + (window_size.height - optimal_size.height) / 2,
-    };
-
-    sc_sdl_set_window_size(screen->window, optimal_size);
-    sc_sdl_set_window_position(screen->window, new_position);
+    SDL_SetWindowSize(screen->window, optimal_size.width, optimal_size.height);
+    SDL_SetWindowPosition(screen->window, new_x, new_y);
    LOGD("Resized to optimal size: %ux%u", optimal_size.width,
                                           optimal_size.height);
 }
@@ -842,65 +783,92 @@ void
 sc_screen_resize_to_pixel_perfect(struct sc_screen *screen) {
    assert(screen->video);

-    if (!is_windowed(screen)) {
+    if (screen->fullscreen || screen->minimized) {
        return;
    }

+    if (screen->maximized) {
+        SDL_RestoreWindow(screen->window);
+        screen->maximized = false;
+    }
+
    struct sc_size content_size = screen->content_size;
-    sc_sdl_set_window_size(screen->window, content_size);
+    SDL_SetWindowSize(screen->window, content_size.width, content_size.height);
    LOGD("Resized to pixel-perfect: %ux%u", content_size.width,
                                            content_size.height);
 }

-void
+bool
 sc_screen_handle_event(struct sc_screen *screen, const SDL_Event *event) {
-    // !video implies !has_video_window
-    assert(screen->video || !screen->has_video_window);
    switch (event->type) {
+        case SC_EVENT_SCREEN_INIT_SIZE: {
+            // The initial size is passed via screen->frame_size
+            bool ok = sc_screen_init_size(screen);
+            if (!ok) {
+                LOGE("Could not initialize screen size");
+                return false;
+            }
+            return true;
+        }
        case SC_EVENT_NEW_FRAME: {
            bool ok = sc_screen_update_frame(screen);
            if (!ok) {
                LOGE("Frame update failed\n");
+                return false;
            }
-            return;
+            return true;
        }
-        case SDL_EVENT_WINDOW_EXPOSED:
-            if (!screen->video || screen->has_video_window) {
-                sc_screen_render(screen, true);
+        case SDL_WINDOWEVENT:
+            if (!screen->video
+                    && event->window.event == SDL_WINDOWEVENT_EXPOSED) {
+                sc_screen_render_novideo(screen);
            }
-            return;
-        case SDL_EVENT_WINDOW_PIXEL_SIZE_CHANGED:
-            if (screen->has_video_window) {
-                sc_screen_render(screen, true);
+
+            // !video implies !has_frame
+            assert(screen->video || !screen->has_frame);
+            if (!screen->has_frame) {
+                // Do nothing
+                return true;
            }
-            return;
-        case SDL_EVENT_WINDOW_RESTORED:
-            if (screen->has_video_window && is_windowed(screen)) {
-                apply_pending_resize(screen);
-                sc_screen_render(screen, true);
+            switch (event->window.event) {
+                case SDL_WINDOWEVENT_EXPOSED:
+                    sc_screen_render(screen, true);
+                    break;
+                case SDL_WINDOWEVENT_SIZE_CHANGED:
+                    sc_screen_render(screen, true);
+                    break;
+                case SDL_WINDOWEVENT_MAXIMIZED:
+                    screen->maximized = true;
+                    break;
+                case SDL_WINDOWEVENT_MINIMIZED:
+                    screen->minimized = true;
+                    break;
+                case SDL_WINDOWEVENT_RESTORED:
+                    if (screen->fullscreen) {
+                        // On Windows, in maximized+fullscreen, disabling
+                        // fullscreen mode unexpectedly triggers the "restored"
+                        // then "maximized" events, leaving the window in a
+                        // weird state (maximized according to the events, but
+                        // not maximized visually).
+                        break;
+                    }
+                    screen->maximized = false;
+                    screen->minimized = false;
+                    apply_pending_resize(screen);
+                    sc_screen_render(screen, true);
+                    break;
            }
-            return;
-        case SDL_EVENT_WINDOW_ENTER_FULLSCREEN:
-            LOGD("Switched to fullscreen mode");
-            assert(screen->has_video_window);
-            return;
-        case SDL_EVENT_WINDOW_LEAVE_FULLSCREEN:
-            LOGD("Switched to windowed mode");
-            assert(screen->has_video_window);
-            if (is_windowed(screen)) {
-                apply_pending_resize(screen);
-                sc_screen_render(screen, true);
-            }
-            return;
+            return true;
    }

    if (sc_screen_is_relative_mode(screen)
            && sc_mouse_capture_handle_event(&screen->mc, event)) {
        // The mouse capture handler consumed the event
-        return;
+        return true;
    }

    sc_input_manager_handle_event(&screen->im, event);
+    return true;
 }

 struct sc_point
@@ -969,15 +937,9 @@ sc_screen_convert_window_to_frame_coords(struct sc_screen *screen,
 void
 sc_screen_hidpi_scale_coords(struct sc_screen *screen, int32_t *x, int32_t *y) {
    // take the HiDPI scaling (dw/ww and dh/wh) into account
-
-    struct sc_size window_size = sc_sdl_get_window_size(screen->window);
-    int64_t ww = window_size.width;
-    int64_t wh = window_size.height;
-
-    struct sc_size drawable_size =
-        sc_sdl_get_window_size_in_pixels(screen->window);
-    int64_t dw = drawable_size.width;
-    int64_t dh = drawable_size.height;
+    int ww, wh, dw, dh;
+    SDL_GetWindowSize(screen->window, &ww, &wh);
+    SDL_GL_GetDrawableSize(screen->window, &dw, &dh);

    // scale for HiDPI (64 bits for intermediate multiplications)
    *x = (int64_t) *x * dw / ww;
--- a/app/src/screen.h
+++ b/app/src/screen.h
@@ -5,27 +5,23 @@

 #include <stdbool.h>
 #include <stdint.h>
-#include <SDL3/SDL.h>
+#include <SDL2/SDL.h>
 #include <libavcodec/avcodec.h>
 #include <libavutil/frame.h>
 #include <libavutil/pixfmt.h>

 #include "controller.h"
 #include "coords.h"
+#include "display.h"
 #include "fps_counter.h"
 #include "frame_buffer.h"
 #include "input_manager.h"
 #include "mouse_capture.h"
 #include "options.h"
-#include "texture.h"
 #include "trait/key_processor.h"
 #include "trait/frame_sink.h"
 #include "trait/mouse_processor.h"

-#ifdef __APPLE__
-# define SC_DISPLAY_FORCE_OPENGL_CORE_PROFILE
-#endif
-
 struct sc_screen {
    struct sc_frame_sink frame_sink; // frame sink trait

@@ -34,9 +30,8 @@ struct sc_screen {
 #endif

    bool video;
-    bool camera;

-    struct sc_texture tex;
+    struct sc_display display;
    struct sc_input_manager im;
    struct sc_mouse_capture mc; // only used in mouse relative mode
    struct sc_frame_buffer fb;
@@ -53,11 +48,6 @@ struct sc_screen {
    } req;

    SDL_Window *window;
-    SDL_Renderer *renderer;
-#ifdef SC_DISPLAY_FORCE_OPENGL_CORE_PROFILE
-    SDL_GLContext gl_context;
-#endif
-
    struct sc_size frame_size;
    struct sc_size content_size; // rotated frame_size

@@ -69,9 +59,11 @@ struct sc_screen {
    // client orientation
    enum sc_orientation orientation;
    // rectangle of the content (excluding black borders)
-    struct SDL_FRect rect;
+    struct SDL_Rect rect;
    bool has_frame;
-    bool has_video_window;
+    bool fullscreen;
+    bool maximized;
+    bool minimized;

    AVFrame *frame;

@@ -81,7 +73,6 @@ struct sc_screen {

 struct sc_screen_params {
    bool video;
-    bool camera;

    struct sc_controller *controller;
    struct sc_file_pusher *fp;
@@ -157,7 +148,8 @@ void
 sc_screen_set_paused(struct sc_screen *screen, bool paused);

 // react to SDL events
-void
+// If this function returns false, scrcpy must exit with an error.
+bool
 sc_screen_handle_event(struct sc_screen *screen, const SDL_Event *event);

 // convert point from window coordinates to frame coordinates
--- a/app/src/server.c
+++ b/app/src/server.c
@@ -357,13 +357,6 @@ execute_server(struct sc_server *server,
    if (params->camera_high_speed) {
        ADD_PARAM("camera_high_speed=true");
    }
-    if (params->camera_torch) {
-        ADD_PARAM("camera_torch=true");
-    }
-    if (params->camera_zoom) {
-        VALIDATE_STRING(params->camera_zoom);
-        ADD_PARAM("camera_zoom=%s", params->camera_zoom);
-    }
    if (params->show_touches) {
        ADD_PARAM("show_touches=true");
    }
--- a/app/src/server.h
+++ b/app/src/server.h
@@ -35,7 +35,6 @@ struct sc_server_params {
    const char *camera_id;
    const char *camera_size;
    const char *camera_ar;
-    const char *camera_zoom;
    uint16_t camera_fps;
    struct sc_port_range port_range;
    uint32_t tunnel_host;
@@ -69,7 +68,6 @@ struct sc_server_params {
    bool power_on;
    bool kill_adb_on_close;
    bool camera_high_speed;
-    bool camera_torch;
    bool vd_destroy_content;
    bool vd_system_decorations;
    uint8_t list;
--- a/app/src/shortcut_mod.h
+++ b/app/src/shortcut_mod.h
@@ -6,11 +6,11 @@
 #include <assert.h>
 #include <stdbool.h>
 #include <stdint.h>
-#include <SDL3/SDL_keycode.h>
+#include <SDL2/SDL_keycode.h>

 #include "options.h"

-#define SC_SDL_SHORTCUT_MODS_MASK (SDL_KMOD_CTRL | SDL_KMOD_ALT | SDL_KMOD_GUI)
+#define SC_SDL_SHORTCUT_MODS_MASK (KMOD_CTRL | KMOD_ALT | KMOD_GUI)

 // input: OR of enum sc_shortcut_mod
 // output: OR of SDL_Keymod
@@ -18,22 +18,22 @@ static inline uint16_t
 sc_shortcut_mods_to_sdl(uint8_t shortcut_mods) {
    uint16_t sdl_mod = 0;
    if (shortcut_mods & SC_SHORTCUT_MOD_LCTRL) {
-        sdl_mod |= SDL_KMOD_LCTRL;
+        sdl_mod |= KMOD_LCTRL;
    }
    if (shortcut_mods & SC_SHORTCUT_MOD_RCTRL) {
-        sdl_mod |= SDL_KMOD_RCTRL;
+        sdl_mod |= KMOD_RCTRL;
    }
    if (shortcut_mods & SC_SHORTCUT_MOD_LALT) {
-        sdl_mod |= SDL_KMOD_LALT;
+        sdl_mod |= KMOD_LALT;
    }
    if (shortcut_mods & SC_SHORTCUT_MOD_RALT) {
-        sdl_mod |= SDL_KMOD_RALT;
+        sdl_mod |= KMOD_RALT;
    }
    if (shortcut_mods & SC_SHORTCUT_MOD_LSUPER) {
-        sdl_mod |= SDL_KMOD_LGUI;
+        sdl_mod |= KMOD_LGUI;
    }
    if (shortcut_mods & SC_SHORTCUT_MOD_RSUPER) {
-        sdl_mod |= SDL_KMOD_RGUI;
+        sdl_mod |= KMOD_RGUI;
    }
    return sdl_mod;
 }
@@ -50,12 +50,12 @@ sc_shortcut_mods_is_shortcut_mod(uint16_t sdl_shortcut_mods, uint16_t sdl_mod) {
 static inline bool
 sc_shortcut_mods_is_shortcut_key(uint16_t sdl_shortcut_mods,
                                 SDL_Keycode keycode) {
-    return (sdl_shortcut_mods & SDL_KMOD_LCTRL && keycode == SDLK_LCTRL)
-        || (sdl_shortcut_mods & SDL_KMOD_RCTRL && keycode == SDLK_RCTRL)
-        || (sdl_shortcut_mods & SDL_KMOD_LALT  && keycode == SDLK_LALT)
-        || (sdl_shortcut_mods & SDL_KMOD_RALT  && keycode == SDLK_RALT)
-        || (sdl_shortcut_mods & SDL_KMOD_LGUI  && keycode == SDLK_LGUI)
-        || (sdl_shortcut_mods & SDL_KMOD_RGUI  && keycode == SDLK_RGUI);
+    return (sdl_shortcut_mods & KMOD_LCTRL && keycode == SDLK_LCTRL)
+        || (sdl_shortcut_mods & KMOD_RCTRL && keycode == SDLK_RCTRL)
+        || (sdl_shortcut_mods & KMOD_LALT  && keycode == SDLK_LALT)
+        || (sdl_shortcut_mods & KMOD_RALT  && keycode == SDLK_RALT)
+        || (sdl_shortcut_mods & KMOD_LGUI  && keycode == SDLK_LGUI)
+        || (sdl_shortcut_mods & KMOD_RGUI  && keycode == SDLK_RGUI);
 }

 #endif
--- a/app/src/sys/win/process.c
+++ b/app/src/sys/win/process.c
@@ -3,14 +3,26 @@
 #include <processthreadsapi.h>

 #include <assert.h>
-#include <stdlib.h>

-#include "util/command.h"
 #include "util/log.h"
 #include "util/str.h"

 #define CMD_MAX_LEN 8192

+static bool
+build_cmd(char *cmd, size_t len, const char *const argv[]) {
+    // Windows command-line parsing is WTF:
+    // <http://daviddeley.com/autohotkey/parameters/parameters.htm#WINPASS>
+    // only make it work for this very specific program
+    // (don't handle escaping nor quotes)
+    size_t ret = sc_str_join(cmd, argv, ' ', len);
+    if (ret >= len) {
+        LOGE("Command too long (%" SC_PRIsizet " chars)", len - 1);
+        return false;
+    }
+    return true;
+}
+
 enum sc_process_result
 sc_process_execute_p(const char *const argv[], HANDLE *handle, unsigned flags,
                     HANDLE *pin, HANDLE *pout, HANDLE *perr) {
@@ -125,9 +137,8 @@ sc_process_execute_p(const char *const argv[], HANDLE *handle, unsigned flags,
        si.lpAttributeList = lpAttributeList;
    }

-    assert(argv && *argv);
-    char *cmd = sc_command_serialize_windows(argv);
-    if (!cmd) {
+    char *cmd = malloc(CMD_MAX_LEN);
+    if (!cmd || !build_cmd(cmd, CMD_MAX_LEN, argv)) {
        LOG_OOM();
        goto error_free_attribute_list;
    }
--- a/app/src/texture.c
+++ b/app/src/texture.c
@@ -1,227 +0,0 @@
-#include "texture.h"
-
-#include <assert.h>
-#include <inttypes.h>
-#include <string.h>
-#include <libavutil/pixfmt.h>
-
-#include "util/log.h"
-
-bool
-sc_texture_init(struct sc_texture *tex, SDL_Renderer *renderer, bool mipmaps) {
-    const char *renderer_name = SDL_GetRendererName(renderer);
-    LOGI("Renderer: %s", renderer_name ? renderer_name : "(unknown)");
-
-    tex->mipmaps = false;
-
-    // starts with "opengl"
-    bool use_opengl = renderer_name && !strncmp(renderer_name, "opengl", 6);
-    if (use_opengl) {
-        struct sc_opengl *gl = &tex->gl;
-        sc_opengl_init(gl);
-
-        LOGI("OpenGL version: %s", gl->version);
-
-        if (mipmaps) {
-            bool supports_mipmaps =
-                sc_opengl_version_at_least(gl, 3, 0, /* OpenGL 3.0+ */
-                                               2, 0  /* OpenGL ES 2.0+ */);
-            if (supports_mipmaps) {
-                LOGI("Trilinear filtering enabled");
-                tex->mipmaps = true;
-            } else {
-                LOGW("Trilinear filtering disabled "
-                     "(OpenGL 3.0+ or ES 2.0+ required)");
-            }
-        } else {
-            LOGI("Trilinear filtering disabled");
-        }
-    } else if (mipmaps) {
-        LOGD("Trilinear filtering disabled (not an OpenGL renderer)");
-    }
-
-    tex->renderer = renderer;
-    tex->texture = NULL;
-    return true;
-}
-
-void
-sc_texture_destroy(struct sc_texture *tex) {
-    if (tex->texture) {
-        SDL_DestroyTexture(tex->texture);
-    }
-}
-
-static enum SDL_Colorspace
-sc_texture_to_sdl_color_space(enum AVColorSpace color_space,
-                              enum AVColorRange color_range) {
-    bool full_range = color_range == AVCOL_RANGE_JPEG;
-
-    switch (color_space) {
-        case AVCOL_SPC_BT709:
-        case AVCOL_SPC_RGB:
-            return full_range ? SDL_COLORSPACE_BT709_FULL
-                              : SDL_COLORSPACE_BT709_LIMITED;
-        case AVCOL_SPC_BT470BG:
-        case AVCOL_SPC_SMPTE170M:
-            return full_range ? SDL_COLORSPACE_BT601_FULL
-                              : SDL_COLORSPACE_BT601_LIMITED;
-        case AVCOL_SPC_BT2020_NCL:
-        case AVCOL_SPC_BT2020_CL:
-            return full_range ? SDL_COLORSPACE_BT2020_FULL
-                              : SDL_COLORSPACE_BT2020_LIMITED;
-        default:
-            return SDL_COLORSPACE_JPEG;
-    }
-}
-
-static SDL_Texture *
-sc_texture_create_frame_texture(struct sc_texture *tex,
-                                struct sc_size size,
-                                enum AVColorSpace color_space,
-                                enum AVColorRange color_range) {
-    SDL_PropertiesID props = SDL_CreateProperties();
-    if (!props) {
-        return NULL;
-    }
-
-    enum SDL_Colorspace sdl_color_space =
-        sc_texture_to_sdl_color_space(color_space, color_range);
-
-    bool ok =
-        SDL_SetNumberProperty(props, SDL_PROP_TEXTURE_CREATE_FORMAT_NUMBER,
-                              SDL_PIXELFORMAT_YV12);
-    ok &= SDL_SetNumberProperty(props, SDL_PROP_TEXTURE_CREATE_ACCESS_NUMBER,
-                                SDL_TEXTUREACCESS_STREAMING);
-    ok &= SDL_SetNumberProperty(props, SDL_PROP_TEXTURE_CREATE_WIDTH_NUMBER,
-                                size.width);
-    ok &= SDL_SetNumberProperty(props, SDL_PROP_TEXTURE_CREATE_HEIGHT_NUMBER,
-                                size.height);
-    ok &= SDL_SetNumberProperty(props,
-                                SDL_PROP_TEXTURE_CREATE_COLORSPACE_NUMBER,
-                                sdl_color_space);
-
-    if (!ok) {
-        LOGE("Could not set texture properties");
-        SDL_DestroyProperties(props);
-        return NULL;
-    }
-
-    SDL_Renderer *renderer = tex->renderer;
-    SDL_Texture *texture = SDL_CreateTextureWithProperties(renderer, props);
-    SDL_DestroyProperties(props);
-    if (!texture) {
-        LOGD("Could not create texture: %s", SDL_GetError());
-        return NULL;
-    }
-
-    if (tex->mipmaps) {
-        struct sc_opengl *gl = &tex->gl;
-
-        SDL_PropertiesID props = SDL_GetTextureProperties(texture);
-        if (!props) {
-            LOGE("Could not get texture properties: %s", SDL_GetError());
-            SDL_DestroyTexture(texture);
-            return NULL;
-        }
-
-        const char *renderer_name = SDL_GetRendererName(tex->renderer);
-        const char *key = !renderer_name || !strcmp(renderer_name, "opengl")
-                        ? SDL_PROP_TEXTURE_OPENGL_TEXTURE_NUMBER
-                        : SDL_PROP_TEXTURE_OPENGLES2_TEXTURE_NUMBER;
-
-        int64_t texture_id = SDL_GetNumberProperty(props, key, 0);
-        SDL_DestroyProperties(props);
-        if (!texture_id) {
-            LOGE("Could not get texture id: %s", SDL_GetError());
-            SDL_DestroyTexture(texture);
-            return NULL;
-        }
-
-        assert(!(texture_id & ~0xFFFFFFFF)); // fits in uint32_t
-        tex->texture_id = texture_id;
-        gl->BindTexture(GL_TEXTURE_2D, tex->texture_id);
-
-        // Enable trilinear filtering for downscaling
-        gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
-                          GL_LINEAR_MIPMAP_LINEAR);
-        gl->TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_LOD_BIAS, -1.f);
-
-        gl->BindTexture(GL_TEXTURE_2D, 0);
-    }
-
-    return texture;
-}
-
-bool
-sc_texture_set_from_frame(struct sc_texture *tex, const AVFrame *frame) {
-
-    struct sc_size size = {frame->width, frame->height};
-    assert(size.width && size.height);
-
-    if (!tex->texture
-            || tex->texture_type != SC_TEXTURE_TYPE_FRAME
-            || tex->texture_size.width != size.width
-            || tex->texture_size.height != size.height) {
-        // Incompatible texture, recreate it
-        enum AVColorSpace color_space = frame->colorspace;
-        enum AVColorRange color_range = frame->color_range;
-
-        if (tex->texture) {
-            SDL_DestroyTexture(tex->texture);
-        }
-
-        tex->texture = sc_texture_create_frame_texture(tex, size, color_space,
-                                                       color_range);
-        if (!tex->texture) {
-            return false;
-        }
-
-        tex->texture_size = size;
-        tex->texture_type = SC_TEXTURE_TYPE_FRAME;
-
-        LOGI("Texture: %" PRIu16 "x%" PRIu16, size.width, size.height);
-    }
-
-    assert(tex->texture);
-    assert(tex->texture_type == SC_TEXTURE_TYPE_FRAME);
-
-    bool ok = SDL_UpdateYUVTexture(tex->texture, NULL,
-                                   frame->data[0], frame->linesize[0],
-                                   frame->data[1], frame->linesize[1],
-                                   frame->data[2], frame->linesize[2]);
-    if (!ok) {
-        LOGD("Could not update texture: %s", SDL_GetError());
-        return false;
-    }
-
-    if (tex->mipmaps) {
-        assert(tex->texture_id);
-        struct sc_opengl *gl = &tex->gl;
-
-        gl->BindTexture(GL_TEXTURE_2D, tex->texture_id);
-        gl->GenerateMipmap(GL_TEXTURE_2D);
-        gl->BindTexture(GL_TEXTURE_2D, 0);
-    }
-
-    return true;
-}
-
-bool
-sc_texture_set_from_surface(struct sc_texture *tex, SDL_Surface *surface) {
-    if (tex->texture) {
-        SDL_DestroyTexture(tex->texture);
-    }
-
-    tex->texture = SDL_CreateTextureFromSurface(tex->renderer, surface);
-    if (!tex->texture) {
-        LOGE("Could not create texture: %s", SDL_GetError());
-        return false;
-    }
-
-    tex->texture_size.width = surface->w;
-    tex->texture_size.height = surface->h;
-    tex->texture_type = SC_TEXTURE_TYPE_ICON;
-
-    return true;
-}
--- a/app/src/texture.h
+++ b/app/src/texture.h
@@ -1,44 +0,0 @@
-#ifndef SC_DISPLAY_H
-#define SC_DISPLAY_H
-
-#include "common.h"
-
-#include <stdbool.h>
-#include <stdint.h>
-#include <libavutil/frame.h>
-#include <SDL3/SDL.h>
-
-#include "coords.h"
-#include "opengl.h"
-
-enum sc_texture_type {
-    SC_TEXTURE_TYPE_FRAME,
-    SC_TEXTURE_TYPE_ICON,
-};
-
-struct sc_texture {
-    SDL_Renderer *renderer; // owned by the caller
-    SDL_Texture *texture;
-    // Only valid if texture != NULL
-    struct sc_size texture_size;
-    enum sc_texture_type texture_type;
-
-    struct sc_opengl gl;
-
-    bool mipmaps;
-    uint32_t texture_id; // only set if mipmaps is enabled
-};
-
-bool
-sc_texture_init(struct sc_texture *tex, SDL_Renderer *renderer, bool mipmaps);
-
-void
-sc_texture_destroy(struct sc_texture *tex);
-
-bool
-sc_texture_set_from_frame(struct sc_texture *tex, const AVFrame *frame);
-
-bool
-sc_texture_set_from_surface(struct sc_texture *tex, SDL_Surface *surface);
-
-#endif
--- a/app/src/trait/frame_sink.h
+++ b/app/src/trait/frame_sink.h
@@ -6,8 +6,6 @@
 #include <stdbool.h>
 #include <libavcodec/avcodec.h>

-#include "trait/packet_sink.h"
-
 /**
 * Frame sink trait.
 *
@@ -19,16 +17,9 @@ struct sc_frame_sink {

 struct sc_frame_sink_ops {
    /* The codec context is valid until the sink is closed */
-    bool (*open)(struct sc_frame_sink *sink, const AVCodecContext *ctx,
-                 const struct sc_stream_session *session);
+    bool (*open)(struct sc_frame_sink *sink, const AVCodecContext *ctx);
    void (*close)(struct sc_frame_sink *sink);
    bool (*push)(struct sc_frame_sink *sink, const AVFrame *frame);
-
-    /**
-     * Optional callback to be notified of a new stream session.
-     */
-    bool (*push_session)(struct sc_frame_sink *sink,
-                         const struct sc_stream_session *session);
 };

 #endif
--- a/app/src/trait/frame_source.c
+++ b/app/src/trait/frame_source.c
@@ -27,12 +27,11 @@ sc_frame_source_sinks_close_firsts(struct sc_frame_source *source,

 bool
 sc_frame_source_sinks_open(struct sc_frame_source *source,
-                           const AVCodecContext *ctx,
-                           const struct sc_stream_session *session) {
+                           const AVCodecContext *ctx) {
    assert(source->sink_count);
    for (unsigned i = 0; i < source->sink_count; ++i) {
        struct sc_frame_sink *sink = source->sinks[i];
-        if (!sink->ops->open(sink, ctx, session)) {
+        if (!sink->ops->open(sink, ctx)) {
            sc_frame_source_sinks_close_firsts(source, i);
            return false;
        }
@@ -60,18 +59,3 @@ sc_frame_source_sinks_push(struct sc_frame_source *source,

    return true;
 }
-
-bool
-sc_frame_source_sinks_push_session(struct sc_frame_source *source,
-                                   const struct sc_stream_session *session) {
-    assert(source->sink_count);
-    for (unsigned i = 0; i < source->sink_count; ++i) {
-        struct sc_frame_sink *sink = source->sinks[i];
-        if (sink->ops->push_session &&
-                !sink->ops->push_session(sink, session)) {
-            return false;
-        }
-    }
-
-    return true;
-}
--- a/app/src/trait/frame_source.h
+++ b/app/src/trait/frame_source.h
@@ -28,8 +28,7 @@ sc_frame_source_add_sink(struct sc_frame_source *source,

 bool
 sc_frame_source_sinks_open(struct sc_frame_source *source,
-                           const AVCodecContext *ctx,
-                           const struct sc_stream_session *session);
+                           const AVCodecContext *ctx);

 void
 sc_frame_source_sinks_close(struct sc_frame_source *source);
@@ -38,8 +37,4 @@ bool
 sc_frame_source_sinks_push(struct sc_frame_source *source,
                           const AVFrame *frame);

-bool
-sc_frame_source_sinks_push_session(struct sc_frame_source *source,
-                                   const struct sc_stream_session *session);
-
 #endif
--- a/app/src/trait/packet_sink.h
+++ b/app/src/trait/packet_sink.h
@@ -15,28 +15,12 @@ struct sc_packet_sink {
    const struct sc_packet_sink_ops *ops;
 };

-struct sc_stream_session_video {
-    uint32_t width;
-    uint32_t height;
-};
-
-struct sc_stream_session {
-    struct sc_stream_session_video video;
-};
-
 struct sc_packet_sink_ops {
    /* The codec context is valid until the sink is closed */
-    bool (*open)(struct sc_packet_sink *sink, AVCodecContext *ctx,
-                 const struct sc_stream_session *session);
+    bool (*open)(struct sc_packet_sink *sink, AVCodecContext *ctx);
    void (*close)(struct sc_packet_sink *sink);
    bool (*push)(struct sc_packet_sink *sink, const AVPacket *packet);

-    /**
-     * Optional callback to be notified of a new stream session.
-     */
-    bool (*push_session)(struct sc_packet_sink *sink,
-                         const struct sc_stream_session *session);
-
    /*/
     * Called when the input stream has been disabled at runtime.
     *
--- a/app/src/trait/packet_source.c
+++ b/app/src/trait/packet_source.c
@@ -27,12 +27,11 @@ sc_packet_source_sinks_close_firsts(struct sc_packet_source *source,

 bool
 sc_packet_source_sinks_open(struct sc_packet_source *source,
-                            AVCodecContext *ctx,
-                            const struct sc_stream_session *session) {
+                            AVCodecContext *ctx) {
    assert(source->sink_count);
    for (unsigned i = 0; i < source->sink_count; ++i) {
        struct sc_packet_sink *sink = source->sinks[i];
-        if (!sink->ops->open(sink, ctx, session)) {
+        if (!sink->ops->open(sink, ctx)) {
            sc_packet_source_sinks_close_firsts(source, i);
            return false;
        }
@@ -61,20 +60,6 @@ sc_packet_source_sinks_push(struct sc_packet_source *source,
    return true;
 }

-bool
-sc_packet_source_sinks_push_session(struct sc_packet_source *source,
-                                    const struct sc_stream_session *session) {
-    assert(source->sink_count);
-    for (unsigned i = 0; i < source->sink_count; ++i) {
-        struct sc_packet_sink *sink = source->sinks[i];
-        if (!sink->ops->push_session(sink, session)) {
-            return false;
-        }
-    }
-
-    return true;
-}
-
 void
 sc_packet_source_sinks_disable(struct sc_packet_source *source) {
    assert(source->sink_count);
--- a/app/src/trait/packet_source.h
+++ b/app/src/trait/packet_source.h
@@ -28,8 +28,7 @@ sc_packet_source_add_sink(struct sc_packet_source *source,

 bool
 sc_packet_source_sinks_open(struct sc_packet_source *source,
-                            AVCodecContext *ctx,
-                            const struct sc_stream_session *session);
+                            AVCodecContext *ctx);

 void
 sc_packet_source_sinks_close(struct sc_packet_source *source);
@@ -38,10 +37,6 @@ bool
 sc_packet_source_sinks_push(struct sc_packet_source *source,
                            const AVPacket *packet);

-bool
-sc_packet_source_sinks_push_session(struct sc_packet_source *source,
-                                    const struct sc_stream_session *session);
-
 void
 sc_packet_source_sinks_disable(struct sc_packet_source *source);

--- a/app/src/uhid/gamepad_uhid.c
+++ b/app/src/uhid/gamepad_uhid.c
@@ -3,7 +3,7 @@
 #include <assert.h>
 #include <inttypes.h>
 #include <string.h>
-#include <SDL3/SDL_gamepad.h>
+#include <SDL2/SDL_gamecontroller.h>

 #include "hid/hid_gamepad.h"
 #include "input_events.h"
@@ -74,9 +74,10 @@ sc_gamepad_processor_process_gamepad_added(struct sc_gamepad_processor *gp,
        return;
    }

-    SDL_Gamepad *sdl_gamepad = SDL_GetGamepadFromID(event->gamepad_id);
-    assert(sdl_gamepad);
-    const char *name = SDL_GetGamepadName(sdl_gamepad);
+    SDL_GameController* game_controller =
+        SDL_GameControllerFromInstanceID(event->gamepad_id);
+    assert(game_controller);
+    const char *name = SDL_GameControllerName(game_controller);
    LOGI("Gamepad added: [%" PRIu32 "] %s", event->gamepad_id, name);

    sc_gamepad_uhid_send_open(gamepad, &hid_open);
--- a/app/src/uhid/keyboard_uhid.c
+++ b/app/src/uhid/keyboard_uhid.c
@@ -2,8 +2,8 @@

 #include <assert.h>
 #include <string.h>
-#include <SDL3/SDL_keyboard.h>
-#include <SDL3/SDL_keycode.h>
+#include <SDL2/SDL_keyboard.h>
+#include <SDL2/SDL_keycode.h>

 #include "util/log.h"
 #include "util/thread.h"
--- a/app/src/uhid/mouse_uhid.c
+++ b/app/src/uhid/mouse_uhid.c
@@ -55,8 +55,7 @@ sc_mouse_processor_process_mouse_scroll(struct sc_mouse_processor *mp,
    struct sc_mouse_uhid *mouse = DOWNCAST(mp);

    struct sc_hid_input hid_input;
-    if (!sc_hid_mouse_generate_input_from_scroll(&mouse->hid, &hid_input,
-                                                 event)) {
+    if (!sc_hid_mouse_generate_input_from_scroll(&hid_input, event)) {
        return;
    }

@@ -66,8 +65,6 @@ sc_mouse_processor_process_mouse_scroll(struct sc_mouse_processor *mp,
 bool
 sc_mouse_uhid_init(struct sc_mouse_uhid *mouse,
                   struct sc_controller *controller) {
-    sc_hid_mouse_init(&mouse->hid);
-
    mouse->controller = controller;

    static const struct sc_mouse_processor_ops ops = {
--- a/app/src/uhid/mouse_uhid.h
+++ b/app/src/uhid/mouse_uhid.h
@@ -4,13 +4,11 @@
 #include <stdbool.h>

 #include "controller.h"
-#include "hid/hid_mouse.h"
 #include "trait/mouse_processor.h"

 struct sc_mouse_uhid {
    struct sc_mouse_processor mouse_processor; // mouse processor trait

-    struct sc_hid_mouse hid;
    struct sc_controller *controller;
 };

--- a/app/src/usb/mouse_aoa.c
+++ b/app/src/usb/mouse_aoa.c
@@ -42,8 +42,7 @@ sc_mouse_processor_process_mouse_scroll(struct sc_mouse_processor *mp,
    struct sc_mouse_aoa *mouse = DOWNCAST(mp);

    struct sc_hid_input hid_input;
-    if (!sc_hid_mouse_generate_input_from_scroll(&mouse->hid, &hid_input,
-                                                 event)) {
+    if (!sc_hid_mouse_generate_input_from_scroll(&hid_input, event)) {
        return;
    }

@@ -65,8 +64,6 @@ sc_mouse_aoa_init(struct sc_mouse_aoa *mouse, struct sc_aoa *aoa) {
        return false;
    }

-    sc_hid_mouse_init(&mouse->hid);
-
    static const struct sc_mouse_processor_ops ops = {
        .process_mouse_motion = sc_mouse_processor_process_mouse_motion,
        .process_mouse_click = sc_mouse_processor_process_mouse_click,
--- a/app/src/usb/mouse_aoa.h
+++ b/app/src/usb/mouse_aoa.h
@@ -6,13 +6,11 @@
 #include <stdbool.h>

 #include "usb/aoa_hid.h"
-#include "hid/hid_mouse.h"
 #include "trait/mouse_processor.h"

 struct sc_mouse_aoa {
    struct sc_mouse_processor mouse_processor; // mouse processor trait

-    struct sc_hid_mouse hid;
    struct sc_aoa *aoa;
 };

--- a/app/src/usb/scrcpy_otg.c
+++ b/app/src/usb/scrcpy_otg.c
@@ -3,13 +3,13 @@
 #include <assert.h>
 #include <stdbool.h>
 #include <stdlib.h>
-#include <SDL3/SDL.h>
+#include <SDL2/SDL.h>

 #ifdef _WIN32
 # include "adb/adb.h"
 #endif
 #include "events.h"
-#include "screen.h"
+#include "usb/screen_otg.h"
 #include "usb/aoa_hid.h"
 #include "usb/gamepad_aoa.h"
 #include "usb/keyboard_aoa.h"
@@ -23,7 +23,7 @@ struct scrcpy_otg {
    struct sc_mouse_aoa mouse;
    struct sc_gamepad_aoa gamepad;

-    struct sc_screen screen;
+    struct sc_screen_otg screen_otg;
 };

 static void
@@ -45,11 +45,11 @@ event_loop(struct scrcpy_otg *s) {
            case SC_EVENT_AOA_OPEN_ERROR:
                LOGE("AOA open error");
                return SCRCPY_EXIT_FAILURE;
-            case SDL_EVENT_QUIT:
+            case SDL_QUIT:
                LOGD("User requested to quit");
                return SCRCPY_EXIT_SUCCESS;
            default:
-                sc_screen_handle_event(&s->screen, &event);
+                sc_screen_otg_handle_event(&s->screen_otg, &event);
                break;
        }
    }
@@ -63,19 +63,23 @@ scrcpy_otg(struct scrcpy_options *options) {

    const char *serial = options->serial;

+    if (!SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "1")) {
+        LOGW("Could not enable linear filtering");
+    }
+
    if (!SDL_SetHint(SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS, "1")) {
        LOGW("Could not allow joystick background events");
    }

    // Minimal SDL initialization
-    if (!SDL_Init(SDL_INIT_EVENTS)) {
+    if (SDL_Init(SDL_INIT_EVENTS)) {
        LOGE("Could not initialize SDL: %s", SDL_GetError());
        return SCRCPY_EXIT_FAILURE;
    }

    if (options->gamepad_input_mode != SC_GAMEPAD_INPUT_MODE_DISABLED) {
-        if (!SDL_Init(SDL_INIT_GAMEPAD)) {
-            LOGE("Could not initialize SDL gamepad: %s", SDL_GetError());
+        if (SDL_Init(SDL_INIT_GAMECONTROLLER)) {
+            LOGE("Could not initialize SDL controller: %s", SDL_GetError());
            // Not fatal, keyboard/mouse should still work
        }
    }
@@ -88,14 +92,13 @@ scrcpy_otg(struct scrcpy_options *options) {

    enum scrcpy_exit_code ret = SCRCPY_EXIT_FAILURE;

-    struct sc_key_processor *kp = NULL;
-    struct sc_mouse_processor *mp = NULL;
-    struct sc_gamepad_processor *gp = NULL;
+    struct sc_keyboard_aoa *keyboard = NULL;
+    struct sc_mouse_aoa *mouse = NULL;
+    struct sc_gamepad_aoa *gamepad = NULL;
    bool usb_device_initialized = false;
    bool usb_connected = false;
    bool aoa_started = false;
    bool aoa_initialized = false;
-    bool screen_initialized = false;

 #ifdef _WIN32
    // On Windows, only one process could open a USB device
@@ -158,7 +161,7 @@ scrcpy_otg(struct scrcpy_options *options) {
        if (!ok) {
            goto end;
        }
-        kp = &s->keyboard.key_processor;
+        keyboard = &s->keyboard;
    }

    if (enable_mouse) {
@@ -166,12 +169,12 @@ scrcpy_otg(struct scrcpy_options *options) {
        if (!ok) {
            goto end;
        }
-        mp = &s->mouse.mouse_processor;
+        mouse = &s->mouse;
    }

    if (enable_gamepad) {
        sc_gamepad_aoa_init(&s->gamepad, &s->aoa);
-        gp = &s->gamepad.gamepad_processor;
+        gamepad = &s->gamepad;
    }

    ok = sc_aoa_start(&s->aoa);
@@ -185,18 +188,10 @@ scrcpy_otg(struct scrcpy_options *options) {
        window_title = usb_device.product ? usb_device.product : "scrcpy";
    }

-    struct sc_screen_params params = {
-        .video = false,
-        .camera = false,
-        .controller = false,
-        .fp = NULL,
-        .kp = kp,
-        .mp = mp,
-        .gp = gp,
-        .mouse_bindings = options->mouse_bindings,
-        .legacy_paste = false,
-        .clipboard_autosync = false,
-        .shortcut_mods = options->shortcut_mods,
+    struct sc_screen_otg_params params = {
+        .keyboard = keyboard,
+        .mouse = mouse,
+        .gamepad = gamepad,
        .window_title = window_title,
        .always_on_top = options->always_on_top,
        .window_x = options->window_x,
@@ -204,17 +199,13 @@ scrcpy_otg(struct scrcpy_options *options) {
        .window_width = options->window_width,
        .window_height = options->window_height,
        .window_borderless = options->window_borderless,
-        .orientation = SC_ORIENTATION_0,
-        .mipmaps = options->mipmaps,
-        .fullscreen = false,
-        .start_fps_counter = false,
+        .shortcut_mods = options->shortcut_mods,
    };

-    ok = sc_screen_init(&s->screen, &params);
+    ok = sc_screen_otg_init(&s->screen_otg, &params);
    if (!ok) {
        goto end;
    }
-    screen_initialized = true;

    // usb_device not needed anymore
    sc_usb_device_destroy(&usb_device);
@@ -229,17 +220,13 @@ end:
    }
    sc_usb_stop(&s->usb);

-    if (screen_initialized) {
-        sc_screen_interrupt(&s->screen);
-    }
-
-    if (mp) {
+    if (mouse) {
        sc_mouse_aoa_destroy(&s->mouse);
    }
-    if (kp) {
+    if (keyboard) {
        sc_keyboard_aoa_destroy(&s->keyboard);
    }
-    if (gp) {
+    if (gamepad) {
        sc_gamepad_aoa_destroy(&s->gamepad);
    }

@@ -260,10 +247,5 @@ end:

    sc_usb_destroy(&s->usb);

-    if (screen_initialized) {
-        sc_screen_join(&s->screen);
-        sc_screen_destroy(&s->screen);
-    }
-
    return ret;
 }
--- a/app/src/usb/screen_otg.c
+++ b/app/src/usb/screen_otg.c
@@ -0,0 +1,326 @@
+#include "screen_otg.h"
+
+#include <assert.h>
+#include <stddef.h>
+
+#include "icon.h"
+#include "options.h"
+#include "util/acksync.h"
+#include "util/log.h"
+
+static void
+sc_screen_otg_render(struct sc_screen_otg *screen) {
+    SDL_RenderClear(screen->renderer);
+    if (screen->texture) {
+        SDL_RenderCopy(screen->renderer, screen->texture, NULL, NULL);
+    }
+    SDL_RenderPresent(screen->renderer);
+}
+
+bool
+sc_screen_otg_init(struct sc_screen_otg *screen,
+                   const struct sc_screen_otg_params *params) {
+    screen->keyboard = params->keyboard;
+    screen->mouse = params->mouse;
+    screen->gamepad = params->gamepad;
+
+    const char *title = params->window_title;
+    assert(title);
+
+    int x = params->window_x != SC_WINDOW_POSITION_UNDEFINED
+          ? params->window_x : (int) SDL_WINDOWPOS_UNDEFINED;
+    int y = params->window_y != SC_WINDOW_POSITION_UNDEFINED
+          ? params->window_y : (int) SDL_WINDOWPOS_UNDEFINED;
+    int width = params->window_width ? params->window_width : 256;
+    int height = params->window_height ? params->window_height : 256;
+
+    uint32_t window_flags = SDL_WINDOW_ALLOW_HIGHDPI;
+    if (params->always_on_top) {
+        window_flags |= SDL_WINDOW_ALWAYS_ON_TOP;
+    }
+    if (params->window_borderless) {
+        window_flags |= SDL_WINDOW_BORDERLESS;
+    }
+
+    screen->window = SDL_CreateWindow(title, x, y, width, height, window_flags);
+    if (!screen->window) {
+        LOGE("Could not create window: %s", SDL_GetError());
+        return false;
+    }
+
+    screen->renderer = SDL_CreateRenderer(screen->window, -1, 0);
+    if (!screen->renderer) {
+        LOGE("Could not create renderer: %s", SDL_GetError());
+        goto error_destroy_window;
+    }
+
+    SDL_Surface *icon = scrcpy_icon_load();
+
+    if (icon) {
+        SDL_SetWindowIcon(screen->window, icon);
+
+        if (SDL_RenderSetLogicalSize(screen->renderer, icon->w, icon->h)) {
+            LOGW("Could not set renderer logical size: %s", SDL_GetError());
+            // don't fail
+        }
+
+        screen->texture = SDL_CreateTextureFromSurface(screen->renderer, icon);
+        scrcpy_icon_destroy(icon);
+        if (!screen->texture) {
+            goto error_destroy_renderer;
+        }
+    } else {
+        screen->texture = NULL;
+        LOGW("Could not load icon");
+    }
+
+    sc_mouse_capture_init(&screen->mc, screen->window, params->shortcut_mods);
+
+    if (screen->mouse) {
+        // Capture mouse on start
+        sc_mouse_capture_set_active(&screen->mc, true);
+    }
+
+    return true;
+
+error_destroy_window:
+    SDL_DestroyWindow(screen->window);
+error_destroy_renderer:
+    SDL_DestroyRenderer(screen->renderer);
+
+    return false;
+}
+
+void
+sc_screen_otg_destroy(struct sc_screen_otg *screen) {
+    if (screen->texture) {
+        SDL_DestroyTexture(screen->texture);
+    }
+    SDL_DestroyRenderer(screen->renderer);
+    SDL_DestroyWindow(screen->window);
+}
+
+static void
+sc_screen_otg_process_key(struct sc_screen_otg *screen,
+                             const SDL_KeyboardEvent *event) {
+    assert(screen->keyboard);
+    struct sc_key_processor *kp = &screen->keyboard->key_processor;
+
+    struct sc_key_event evt = {
+        .action = sc_action_from_sdl_keyboard_type(event->type),
+        .keycode = sc_keycode_from_sdl(event->keysym.sym),
+        .scancode = sc_scancode_from_sdl(event->keysym.scancode),
+        .repeat = event->repeat,
+        .mods_state = sc_mods_state_from_sdl(event->keysym.mod),
+    };
+
+    assert(kp->ops->process_key);
+    kp->ops->process_key(kp, &evt, SC_SEQUENCE_INVALID);
+}
+
+static void
+sc_screen_otg_process_mouse_motion(struct sc_screen_otg *screen,
+                                   const SDL_MouseMotionEvent *event) {
+    assert(screen->mouse);
+    struct sc_mouse_processor *mp = &screen->mouse->mouse_processor;
+
+    struct sc_mouse_motion_event evt = {
+        // .position not used for HID events
+        .xrel = event->xrel,
+        .yrel = event->yrel,
+        .buttons_state = sc_mouse_buttons_state_from_sdl(event->state),
+    };
+
+    assert(mp->ops->process_mouse_motion);
+    mp->ops->process_mouse_motion(mp, &evt);
+}
+
+static void
+sc_screen_otg_process_mouse_button(struct sc_screen_otg *screen,
+                                   const SDL_MouseButtonEvent *event) {
+    assert(screen->mouse);
+    struct sc_mouse_processor *mp = &screen->mouse->mouse_processor;
+
+    uint32_t sdl_buttons_state = SDL_GetMouseState(NULL, NULL);
+
+    struct sc_mouse_click_event evt = {
+        // .position not used for HID events
+        .action = sc_action_from_sdl_mousebutton_type(event->type),
+        .button = sc_mouse_button_from_sdl(event->button),
+        .buttons_state = sc_mouse_buttons_state_from_sdl(sdl_buttons_state),
+    };
+
+    assert(mp->ops->process_mouse_click);
+    mp->ops->process_mouse_click(mp, &evt);
+}
+
+static void
+sc_screen_otg_process_mouse_wheel(struct sc_screen_otg *screen,
+                                  const SDL_MouseWheelEvent *event) {
+    assert(screen->mouse);
+    struct sc_mouse_processor *mp = &screen->mouse->mouse_processor;
+
+    uint32_t sdl_buttons_state = SDL_GetMouseState(NULL, NULL);
+
+    struct sc_mouse_scroll_event evt = {
+        // .position not used for HID events
+#if SDL_VERSION_ATLEAST(2, 0, 18)
+        .hscroll = event->preciseX,
+        .vscroll = event->preciseY,
+#else
+        .hscroll = event->x,
+        .vscroll = event->y,
+#endif
+        .hscroll_int = event->x,
+        .vscroll_int = event->y,
+        .buttons_state = sc_mouse_buttons_state_from_sdl(sdl_buttons_state),
+    };
+
+    assert(mp->ops->process_mouse_scroll);
+    mp->ops->process_mouse_scroll(mp, &evt);
+}
+
+static void
+sc_screen_otg_process_gamepad_device(struct sc_screen_otg *screen,
+                                     const SDL_ControllerDeviceEvent *event) {
+    assert(screen->gamepad);
+    struct sc_gamepad_processor *gp = &screen->gamepad->gamepad_processor;
+
+    if (event->type == SDL_CONTROLLERDEVICEADDED) {
+        SDL_GameController *gc = SDL_GameControllerOpen(event->which);
+        if (!gc) {
+            LOGW("Could not open game controller");
+            return;
+        }
+
+        SDL_Joystick *joystick = SDL_GameControllerGetJoystick(gc);
+        if (!joystick) {
+            LOGW("Could not get controller joystick");
+            SDL_GameControllerClose(gc);
+            return;
+        }
+
+        struct sc_gamepad_device_event evt = {
+            .gamepad_id = SDL_JoystickInstanceID(joystick),
+        };
+        gp->ops->process_gamepad_added(gp, &evt);
+    } else if (event->type == SDL_CONTROLLERDEVICEREMOVED) {
+        SDL_JoystickID id = event->which;
+
+        SDL_GameController *gc = SDL_GameControllerFromInstanceID(id);
+        if (gc) {
+            SDL_GameControllerClose(gc);
+        } else {
+            LOGW("Unknown gamepad device removed");
+        }
+
+        struct sc_gamepad_device_event evt = {
+            .gamepad_id = id,
+        };
+        gp->ops->process_gamepad_removed(gp, &evt);
+    }
+}
+
+static void
+sc_screen_otg_process_gamepad_axis(struct sc_screen_otg *screen,
+                                   const SDL_ControllerAxisEvent *event) {
+    assert(screen->gamepad);
+    struct sc_gamepad_processor *gp = &screen->gamepad->gamepad_processor;
+
+    enum sc_gamepad_axis axis = sc_gamepad_axis_from_sdl(event->axis);
+    if (axis == SC_GAMEPAD_AXIS_UNKNOWN) {
+        return;
+    }
+
+    struct sc_gamepad_axis_event evt = {
+        .gamepad_id = event->which,
+        .axis = axis,
+        .value = event->value,
+    };
+    gp->ops->process_gamepad_axis(gp, &evt);
+}
+
+static void
+sc_screen_otg_process_gamepad_button(struct sc_screen_otg *screen,
+                                     const SDL_ControllerButtonEvent *event) {
+    assert(screen->gamepad);
+    struct sc_gamepad_processor *gp = &screen->gamepad->gamepad_processor;
+
+    enum sc_gamepad_button button = sc_gamepad_button_from_sdl(event->button);
+    if (button == SC_GAMEPAD_BUTTON_UNKNOWN) {
+        return;
+    }
+
+    struct sc_gamepad_button_event evt = {
+        .gamepad_id = event->which,
+        .action = sc_action_from_sdl_controllerbutton_type(event->type),
+        .button = button,
+    };
+    gp->ops->process_gamepad_button(gp, &evt);
+}
+
+void
+sc_screen_otg_handle_event(struct sc_screen_otg *screen, SDL_Event *event) {
+    if (sc_mouse_capture_handle_event(&screen->mc, event)) {
+        // The mouse capture handler consumed the event
+        return;
+    }
+
+    switch (event->type) {
+        case SDL_WINDOWEVENT:
+            switch (event->window.event) {
+                case SDL_WINDOWEVENT_EXPOSED:
+                    sc_screen_otg_render(screen);
+                    break;
+            }
+            return;
+        case SDL_KEYDOWN:
+            if (screen->keyboard) {
+                sc_screen_otg_process_key(screen, &event->key);
+            }
+            break;
+        case SDL_KEYUP:
+            if (screen->keyboard) {
+                sc_screen_otg_process_key(screen, &event->key);
+            }
+            break;
+        case SDL_MOUSEMOTION:
+            if (screen->mouse) {
+                sc_screen_otg_process_mouse_motion(screen, &event->motion);
+            }
+            break;
+        case SDL_MOUSEBUTTONDOWN:
+            if (screen->mouse) {
+                sc_screen_otg_process_mouse_button(screen, &event->button);
+            }
+            break;
+        case SDL_MOUSEBUTTONUP:
+            if (screen->mouse) {
+                sc_screen_otg_process_mouse_button(screen, &event->button);
+            }
+            break;
+        case SDL_MOUSEWHEEL:
+            if (screen->mouse) {
+                sc_screen_otg_process_mouse_wheel(screen, &event->wheel);
+            }
+            break;
+        case SDL_CONTROLLERDEVICEADDED:
+        case SDL_CONTROLLERDEVICEREMOVED:
+            // Handle device added or removed even if paused
+            if (screen->gamepad) {
+                sc_screen_otg_process_gamepad_device(screen, &event->cdevice);
+            }
+            break;
+        case SDL_CONTROLLERAXISMOTION:
+            if (screen->gamepad) {
+                sc_screen_otg_process_gamepad_axis(screen, &event->caxis);
+            }
+            break;
+        case SDL_CONTROLLERBUTTONDOWN:
+        case SDL_CONTROLLERBUTTONUP:
+            if (screen->gamepad) {
+                sc_screen_otg_process_gamepad_button(screen, &event->cbutton);
+            }
+            break;
+    }
+}
--- a/app/src/usb/screen_otg.h
+++ b/app/src/usb/screen_otg.h
@@ -0,0 +1,52 @@
+#ifndef SC_SCREEN_OTG_H
+#define SC_SCREEN_OTG_H
+
+#include "common.h"
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <SDL2/SDL.h>
+
+#include "mouse_capture.h"
+#include "usb/gamepad_aoa.h"
+#include "usb/keyboard_aoa.h"
+#include "usb/mouse_aoa.h"
+
+struct sc_screen_otg {
+    struct sc_keyboard_aoa *keyboard;
+    struct sc_mouse_aoa *mouse;
+    struct sc_gamepad_aoa *gamepad;
+
+    SDL_Window *window;
+    SDL_Renderer *renderer;
+    SDL_Texture *texture;
+
+    struct sc_mouse_capture mc;
+};
+
+struct sc_screen_otg_params {
+    struct sc_keyboard_aoa *keyboard;
+    struct sc_mouse_aoa *mouse;
+    struct sc_gamepad_aoa *gamepad;
+
+    const char *window_title;
+    bool always_on_top;
+    int16_t window_x; // accepts SC_WINDOW_POSITION_UNDEFINED
+    int16_t window_y; // accepts SC_WINDOW_POSITION_UNDEFINED
+    uint16_t window_width;
+    uint16_t window_height;
+    bool window_borderless;
+    uint8_t shortcut_mods; // OR of enum sc_shortcut_mod values
+};
+
+bool
+sc_screen_otg_init(struct sc_screen_otg *screen,
+                   const struct sc_screen_otg_params *params);
+
+void
+sc_screen_otg_destroy(struct sc_screen_otg *screen);
+
+void
+sc_screen_otg_handle_event(struct sc_screen_otg *screen, SDL_Event *event);
+
+#endif
--- a/app/src/util/command.c
+++ b/app/src/util/command.c
@@ -1,98 +0,0 @@
-#include "command.h"
-
-#include <stdlib.h>
-
-#include "util/strbuf.h"
-
-char *
-sc_command_serialize_windows(const char *const argv[]) {
-    // <https://learn.microsoft.com/en-us/cpp/c-language/parsing-c-command-line-arguments>
-    // <https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-createprocessw>
-
-    struct sc_strbuf buf;
-    bool ok = sc_strbuf_init(&buf, 1024);
-    if (!ok) {
-        return NULL;
-    }
-
-#define BUF_PUSH(C) \
-    do { \
-        if (!sc_strbuf_append_char(&buf, C)) { \
-            goto end; \
-        } \
-    } while (0)
-
-    while (*argv) {
-        const char *arg = *argv;
-
-        BUF_PUSH('"');
-
-        // <https://learn.microsoft.com/en-us/cpp/c-language/parsing-c-command-line-arguments>
-        //
-        // """
-        // If an even number of backslashes is followed by a double quote mark,
-        // then one backslash (\) is placed in the argv array for every pair of
-        // backslashes (\\), and the double quote mark (") is interpreted as a
-        // string delimiter.
-        //
-        // If an odd number of backslashes is followed by a double quote mark,
-        // then one backslash (\) is placed in the argv array for every pair of
-        // backslashes (\\). The double quote mark is interpreted as an escape
-        // sequence by the remaining backslash, causing a literal double quote
-        // mark (") to be placed in argv.
-        // """
-        //
-        // To produce correct escaping according to what the parser will do, we
-        // must count the number of successive backslashes.
-        unsigned backslashes = 0;
-
-        for (const char *c = arg; *c; c++) {
-            switch (*c) {
-                case '"':
-                    while (backslashes) {
-                        // Double all backslashes before a quote
-                        BUF_PUSH('\\');
-                        BUF_PUSH('\\');
-                        --backslashes;
-                    }
-                    BUF_PUSH('\\');
-                    BUF_PUSH('"');
-                    backslashes = 0;
-                    break;
-                case '\\':
-                    ++backslashes;
-                    break;
-                default:
-                    while (backslashes) {
-                        // Put all backslashes as literals
-                        BUF_PUSH('\\');
-                        --backslashes;
-                    }
-                    BUF_PUSH(*c);
-                    break;
-            }
-        }
-
-        while (backslashes) {
-            // Double all backslashes before a quote
-            BUF_PUSH('\\');
-            BUF_PUSH('\\');
-            --backslashes;
-        }
-
-        BUF_PUSH('"');
-
-        ++argv;
-
-        // Argument separator
-        if (*argv) {
-            BUF_PUSH(' ');
-        }
-    }
-
-    return buf.s;
-
-end:
-    free(buf.s);
-    return NULL;
-}
--- a/app/src/util/command.h
+++ b/app/src/util/command.h
@@ -1,17 +0,0 @@
-#ifndef SC_COMMAND_H
-#define SC_COMMAND_H
-
-#include "common.h"
-
-/**
- * Serialize an argv array for Windows
- *
- * Convert a NULL-terminated argument array into a single escaped string
- * suitable for massing to CreateProcess() on Windows.
- *
- * The returned value must be freed by the caller.
- */
-char *
-sc_command_serialize_windows(const char *const argv[]);
-
-#endif
--- a/app/src/util/log.c
+++ b/app/src/util/log.c
@@ -50,13 +50,13 @@ log_level_sdl_to_sc(SDL_LogPriority priority) {
 void
 sc_set_log_level(enum sc_log_level level) {
    SDL_LogPriority sdl_log = log_level_sc_to_sdl(level);
-    SDL_SetLogPriority(SDL_LOG_CATEGORY_APPLICATION, sdl_log);
-    SDL_SetLogPriority(SDL_LOG_CATEGORY_CUSTOM, sdl_log);
+    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, sdl_log);
+    SDL_LogSetPriority(SDL_LOG_CATEGORY_CUSTOM, sdl_log);
 }

 enum sc_log_level
 sc_get_log_level(void) {
-    SDL_LogPriority sdl_log = SDL_GetLogPriority(SDL_LOG_CATEGORY_APPLICATION);
+    SDL_LogPriority sdl_log = SDL_LogGetPriority(SDL_LOG_CATEGORY_APPLICATION);
    return log_level_sdl_to_sc(sdl_log);
 }

@@ -128,7 +128,7 @@ sc_av_log_callback(void *avcl, int level, const char *fmt, va_list vl) {
    free(local_fmt);
 }

-static const char *const sc_sdl_log_priority_names[SDL_LOG_PRIORITY_COUNT] = {
+static const char *const sc_sdl_log_priority_names[SDL_NUM_LOG_PRIORITIES] = {
    [SDL_LOG_PRIORITY_VERBOSE] = "VERBOSE",
    [SDL_LOG_PRIORITY_DEBUG] = "DEBUG",
    [SDL_LOG_PRIORITY_INFO] = "INFO",
@@ -144,18 +144,14 @@ sc_sdl_log_print(void *userdata, int category, SDL_LogPriority priority,
    (void) category;

    FILE *out = priority < SDL_LOG_PRIORITY_WARN ? stdout : stderr;
-    assert(priority < SDL_LOG_PRIORITY_COUNT);
+    assert(priority < SDL_NUM_LOG_PRIORITIES);
    const char *prio_name = sc_sdl_log_priority_names[priority];
    fprintf(out, "%s: %s\n", prio_name, message);
 }

 void
 sc_log_configure(void) {
-#ifdef _WIN32
-    SetConsoleOutputCP(CP_UTF8);
-#endif
-
-    SDL_SetLogOutputFunction(sc_sdl_log_print, NULL);
+    SDL_LogSetOutputFunction(sc_sdl_log_print, NULL);
    // Redirect FFmpeg logs to SDL logs
    av_log_set_callback(sc_av_log_callback);
 }
--- a/app/src/util/log.h
+++ b/app/src/util/log.h
@@ -3,7 +3,7 @@

 #include "common.h"

-#include <SDL3/SDL_log.h>
+#include <SDL2/SDL_log.h>

 #include "options.h"

--- a/app/src/util/net.c
+++ b/app/src/util/net.c
@@ -2,7 +2,6 @@

 #include <assert.h>
 #include <stdio.h>
-#include <stdlib.h>

 #ifdef _WIN32
 # include <ws2tcpip.h>
--- a/app/src/util/sdl.c
+++ b/app/src/util/sdl.c
@@ -1,168 +0,0 @@
-#include "sdl.h"
-
-#include <assert.h>
-#include <stdlib.h>
-
-#include "util/log.h"
-
-SDL_Window *
-sc_sdl_create_window(const char *title, int64_t x, int64_t y, int64_t width,
-                     int64_t height, int64_t flags) {
-    SDL_Window *window = NULL;
-
-    SDL_PropertiesID props = SDL_CreateProperties();
-    if (!props) {
-        return NULL;
-    }
-
-    bool ok =
-        SDL_SetStringProperty(props, SDL_PROP_WINDOW_CREATE_TITLE_STRING,
-                              title);
-    ok &= SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_X_NUMBER, x);
-    ok &= SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_Y_NUMBER, y);
-    ok &= SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_WIDTH_NUMBER,
-                                width);
-    ok &= SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_HEIGHT_NUMBER,
-                                height);
-    ok &= SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_FLAGS_NUMBER,
-                                flags);
-
-    if (!ok) {
-        SDL_DestroyProperties(props);
-        return NULL;
-    }
-
-    window = SDL_CreateWindowWithProperties(props);
-    SDL_DestroyProperties(props);
-    return window;
-}
-
-struct sc_size
-sc_sdl_get_window_size(SDL_Window *window) {
-    int width;
-    int height;
-    bool ok = SDL_GetWindowSize(window, &width, &height);
-    if (!ok) {
-        LOGE("Could not get window size: %s", SDL_GetError());
-        LOGE("Please report the error");
-        // fatal error
-        abort();
-    }
-
-    struct sc_size size = {
-        .width = width,
-        .height = height,
-    };
-    return size;
-}
-
-struct sc_size
-sc_sdl_get_window_size_in_pixels(SDL_Window *window) {
-    int width;
-    int height;
-    bool ok = SDL_GetWindowSizeInPixels(window, &width, &height);
-    if (!ok) {
-        LOGE("Could not get window size: %s", SDL_GetError());
-        LOGE("Please report the error");
-        // fatal error
-        abort();
-    }
-
-    struct sc_size size = {
-        .width = width,
-        .height = height,
-    };
-    return size;
-}
-
-void
-sc_sdl_set_window_size(SDL_Window *window, struct sc_size size) {
-    bool ok = SDL_SetWindowSize(window, size.width, size.height);
-    if (!ok) {
-        LOGE("Could not set window size: %s", SDL_GetError());
-        assert(!"unexpected");
-    }
-}
-
-struct sc_point
-sc_sdl_get_window_position(SDL_Window *window) {
-    int x;
-    int y;
-    bool ok = SDL_GetWindowPosition(window, &x, &y);
-    if (!ok) {
-        LOGE("Could not get window position: %s", SDL_GetError());
-        LOGE("Please report the error");
-        // fatal error
-        abort();
-    }
-
-    struct sc_point point = {
-        .x = x,
-        .y = y,
-    };
-    return point;
-}
-
-void
-sc_sdl_set_window_position(SDL_Window *window, struct sc_point point) {
-    bool ok = SDL_SetWindowPosition(window, point.x, point.y);
-    if (!ok) {
-        LOGE("Could not set window position: %s", SDL_GetError());
-        assert(!"unexpected");
-    }
-}
-
-void
-sc_sdl_show_window(SDL_Window *window) {
-    bool ok = SDL_ShowWindow(window);
-    if (!ok) {
-        LOGE("Could not show window: %s", SDL_GetError());
-        assert(!"unexpected");
-    }
-}
-
-void
-sc_sdl_hide_window(SDL_Window *window) {
-    bool ok = SDL_HideWindow(window);
-    if (!ok) {
-        LOGE("Could not hide window: %s", SDL_GetError());
-        assert(!"unexpected");
-    }
-}
-
-struct sc_size
-sc_sdl_get_render_output_size(SDL_Renderer *renderer) {
-    int width;
-    int height;
-    bool ok = SDL_GetRenderOutputSize(renderer, &width, &height);
-    if (!ok) {
-        LOGE("Could not get render output size: %s", SDL_GetError());
-        LOGE("Please report the error");
-        // fatal error
-        abort();
-    }
-
-    struct sc_size size = {
-        .width = width,
-        .height = height,
-    };
-    return size;
-}
-
-bool
-sc_sdl_render_clear(SDL_Renderer *renderer) {
-    bool ok = SDL_RenderClear(renderer);
-    if (!ok) {
-        LOGW("Could not clear rendering: %s", SDL_GetError());
-    }
-    return ok;
-}
-
-void
-sc_sdl_render_present(SDL_Renderer *renderer) {
-    bool ok = SDL_RenderPresent(renderer);
-    if (!ok) {
-        LOGE("Could not render: %s", SDL_GetError());
-        assert(!"unexpected");
-    }
-}
--- a/app/src/util/sdl.h
+++ b/app/src/util/sdl.h
@@ -1,46 +0,0 @@
-#ifndef SC_SDL_H
-#define SC_SDL_H
-
-#include "common.h"
-
-#include <stdint.h>
-#include <SDL3/SDL_render.h>
-#include <SDL3/SDL_video.h>
-
-#include "coords.h"
-
-SDL_Window *
-sc_sdl_create_window(const char *title, int64_t x, int64_t y, int64_t width,
-                     int64_t height, int64_t flags);
-
-struct sc_size
-sc_sdl_get_window_size(SDL_Window *window);
-
-struct sc_size
-sc_sdl_get_window_size_in_pixels(SDL_Window *window);
-
-void
-sc_sdl_set_window_size(SDL_Window *window, struct sc_size size);
-
-struct sc_point
-sc_sdl_get_window_position(SDL_Window *window);
-
-void
-sc_sdl_set_window_position(SDL_Window *window, struct sc_point point);
-
-void
-sc_sdl_show_window(SDL_Window *window);
-
-void
-sc_sdl_hide_window(SDL_Window *window);
-
-struct sc_size
-sc_sdl_get_render_output_size(SDL_Renderer *renderer);
-
-bool
-sc_sdl_render_clear(SDL_Renderer *renderer);
-
-void
-sc_sdl_render_present(SDL_Renderer *renderer);
-
-#endif
--- a/app/src/util/str.c
+++ b/app/src/util/str.c
@@ -49,6 +49,21 @@ truncated:
    return n;
 }

+char *
+sc_str_quote(const char *src) {
+    size_t len = strlen(src);
+    char *quoted = malloc(len + 3);
+    if (!quoted) {
+        LOG_OOM();
+        return NULL;
+    }
+    memcpy(&quoted[1], src, len);
+    quoted[0] = '"';
+    quoted[len + 1] = '"';
+    quoted[len + 2] = '\0';
+    return quoted;
+}
+
 char *
 sc_str_concat(const char *start, const char *end) {
    assert(start);
--- a/app/src/util/str.h
+++ b/app/src/util/str.h
@@ -32,6 +32,14 @@ sc_strncpy(char *dest, const char *src, size_t n);
 size_t
 sc_str_join(char *dst, const char *const tokens[], char sep, size_t n);

+/**
+ * Quote a string
+ *
+ * Return a new allocated string, surrounded with quotes (`"`).
+ */
+char *
+sc_str_quote(const char *src);
+
 /**
 * Concat two strings
 *
--- a/app/src/util/thread.c
+++ b/app/src/util/thread.c
@@ -4,7 +4,7 @@
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
-#include <SDL3/SDL_mutex.h>
+#include <SDL2/SDL_thread.h>

 #include "util/log.h"

@@ -31,7 +31,11 @@ static SDL_ThreadPriority
 to_sdl_thread_priority(enum sc_thread_priority priority) {
    switch (priority) {
        case SC_THREAD_PRIORITY_TIME_CRITICAL:
+#ifdef SCRCPY_SDL_HAS_THREAD_PRIORITY_TIME_CRITICAL
            return SDL_THREAD_PRIORITY_TIME_CRITICAL;
+#else
+            // fall through
+#endif
        case SC_THREAD_PRIORITY_HIGH:
            return SDL_THREAD_PRIORITY_HIGH;
        case SC_THREAD_PRIORITY_NORMAL:
@@ -47,8 +51,8 @@ to_sdl_thread_priority(enum sc_thread_priority priority) {
 bool
 sc_thread_set_priority(enum sc_thread_priority priority) {
    SDL_ThreadPriority sdl_priority = to_sdl_thread_priority(priority);
-    bool ok = SDL_SetCurrentThreadPriority(sdl_priority);
-    if (!ok) {
+    int r = SDL_SetThreadPriority(sdl_priority);
+    if (r) {
        LOGD("Could not set thread priority: %s", SDL_GetError());
        return false;
    }
@@ -63,7 +67,7 @@ sc_thread_join(sc_thread *thread, int *status) {

 bool
 sc_mutex_init(sc_mutex *mutex) {
-    SDL_Mutex *sdl_mutex = SDL_CreateMutex();
+    SDL_mutex *sdl_mutex = SDL_CreateMutex();
    if (!sdl_mutex) {
        LOG_OOM();
        return false;
@@ -85,25 +89,40 @@ void
 sc_mutex_lock(sc_mutex *mutex) {
    // SDL mutexes are recursive, but we don't want to use recursive mutexes
    assert(!sc_mutex_held(mutex));
-    SDL_LockMutex(mutex->mutex);
+    int r = SDL_LockMutex(mutex->mutex);
 #ifndef NDEBUG
+    if (r) {
+        LOGE("Could not lock mutex: %s", SDL_GetError());
+        abort();
+    }
+
    atomic_store_explicit(&mutex->locker, sc_thread_get_id(),
                          memory_order_relaxed);
+#else
+    (void) r;
 #endif
 }

 void
 sc_mutex_unlock(sc_mutex *mutex) {
-    assert(sc_mutex_held(mutex));
 #ifndef NDEBUG
+    assert(sc_mutex_held(mutex));
    atomic_store_explicit(&mutex->locker, 0, memory_order_relaxed);
 #endif
-    SDL_UnlockMutex(mutex->mutex);
+    int r = SDL_UnlockMutex(mutex->mutex);
+#ifndef NDEBUG
+    if (r) {
+        LOGE("Could not lock mutex: %s", SDL_GetError());
+        abort();
+    }
+#else
+    (void) r;
+#endif
 }

 sc_thread_id
 sc_thread_get_id(void) {
-    return SDL_GetCurrentThreadID();
+    return SDL_ThreadID();
 }

 #ifndef NDEBUG
@@ -117,7 +136,7 @@ sc_mutex_held(struct sc_mutex *mutex) {

 bool
 sc_cond_init(sc_cond *cond) {
-    SDL_Condition *sdl_cond = SDL_CreateCondition();
+    SDL_cond *sdl_cond = SDL_CreateCond();
    if (!sdl_cond) {
        LOG_OOM();
        return false;
@@ -129,15 +148,22 @@ sc_cond_init(sc_cond *cond) {

 void
 sc_cond_destroy(sc_cond *cond) {
-    SDL_DestroyCondition(cond->cond);
+    SDL_DestroyCond(cond->cond);
 }

 void
 sc_cond_wait(sc_cond *cond, sc_mutex *mutex) {
-    SDL_WaitCondition(cond->cond, mutex->mutex);
+    int r = SDL_CondWait(cond->cond, mutex->mutex);
 #ifndef NDEBUG
+    if (r) {
+        LOGE("Could not wait on condition: %s", SDL_GetError());
+        abort();
+    }
+
    atomic_store_explicit(&mutex->locker, sc_thread_get_id(),
                          memory_order_relaxed);
+#else
+    (void) r;
 #endif
 }

@@ -151,22 +177,44 @@ sc_cond_timedwait(sc_cond *cond, sc_mutex *mutex, sc_tick deadline) {
    // Round up to the next millisecond to guarantee that the deadline is
    // reached when returning due to timeout
    uint32_t ms = SC_TICK_TO_MS(deadline - now + SC_TICK_FROM_MS(1) - 1);
-    bool signaled = SDL_WaitConditionTimeout(cond->cond, mutex->mutex, ms);
+    int r = SDL_CondWaitTimeout(cond->cond, mutex->mutex, ms);
 #ifndef NDEBUG
+    if (r < 0) {
+        LOGE("Could not wait on condition with timeout: %s", SDL_GetError());
+        abort();
+    }
+
    atomic_store_explicit(&mutex->locker, sc_thread_get_id(),
                          memory_order_relaxed);
 #endif
+    assert(r == 0 || r == SDL_MUTEX_TIMEDOUT);
    // The deadline is reached on timeout
-    assert(signaled || sc_tick_now() >= deadline);
-    return signaled;
+    assert(r != SDL_MUTEX_TIMEDOUT || sc_tick_now() >= deadline);
+    return r == 0;
 }

 void
 sc_cond_signal(sc_cond *cond) {
-    SDL_SignalCondition(cond->cond);
+    int r = SDL_CondSignal(cond->cond);
+#ifndef NDEBUG
+    if (r) {
+        LOGE("Could not signal a condition: %s", SDL_GetError());
+        abort();
+    }
+#else
+    (void) r;
+#endif
 }

 void
 sc_cond_broadcast(sc_cond *cond) {
-    SDL_BroadcastCondition(cond->cond);
+    int r = SDL_CondBroadcast(cond->cond);
+#ifndef NDEBUG
+    if (r) {
+        LOGE("Could not broadcast a condition: %s", SDL_GetError());
+        abort();
+    }
+#else
+    (void) r;
+#endif
 }
--- a/app/src/util/thread.h
+++ b/app/src/util/thread.h
@@ -10,8 +10,8 @@

 /* Forward declarations */
 typedef struct SDL_Thread SDL_Thread;
-typedef struct SDL_Mutex SDL_Mutex;
-typedef struct SDL_Condition SDL_Condition;
+typedef struct SDL_mutex SDL_mutex;
+typedef struct SDL_cond SDL_cond;

 typedef int sc_thread_fn(void *);
 typedef unsigned sc_thread_id;
@@ -29,14 +29,14 @@ enum sc_thread_priority {
 };

 typedef struct sc_mutex {
-    SDL_Mutex *mutex;
+    SDL_mutex *mutex;
 #ifndef NDEBUG
    sc_atomic_thread_id locker;
 #endif
 } sc_mutex;

 typedef struct sc_cond {
-    SDL_Condition *cond;
+    SDL_cond *cond;
 } sc_cond;

 extern sc_thread_id SC_MAIN_THREAD_ID;
--- a/app/src/util/vecdeque.h
+++ b/app/src/util/vecdeque.h
@@ -191,8 +191,7 @@ sc_vecdeque_reallocdata_(void *ptr, size_t newcap, size_t item_size,

    size_t right_len = MIN(size, oldcap - oldorigin);
    assert(right_len);
-    memcpy(newptr, (char *) ptr + (oldorigin * item_size),
-           right_len * item_size);
+    memcpy(newptr, (char *) ptr + (oldorigin * item_size), right_len * item_size);

    if (size > right_len) {
        memcpy((char *) newptr + (right_len * item_size), ptr,
--- a/app/src/v4l2_sink.c
+++ b/app/src/v4l2_sink.c
@@ -146,11 +146,9 @@ run_v4l2_sink(void *data) {
 }

 static bool
-sc_v4l2_sink_open(struct sc_v4l2_sink *vs, const AVCodecContext *ctx,
-                  const struct sc_stream_session *session) {
+sc_v4l2_sink_open(struct sc_v4l2_sink *vs, const AVCodecContext *ctx) {
    assert(ctx->pix_fmt == AV_PIX_FMT_YUV420P);
    (void) ctx;
-    (void) session;

    bool ok = sc_frame_buffer_init(&vs->fb);
    if (!ok) {
@@ -328,10 +326,9 @@ sc_v4l2_sink_push(struct sc_v4l2_sink *vs, const AVFrame *frame) {
 }

 static bool
-sc_v4l2_frame_sink_open(struct sc_frame_sink *sink, const AVCodecContext *ctx,
-                        const struct sc_stream_session *session) {
+sc_v4l2_frame_sink_open(struct sc_frame_sink *sink, const AVCodecContext *ctx) {
    struct sc_v4l2_sink *vs = DOWNCAST(sink);
-    return sc_v4l2_sink_open(vs, ctx, session);
+    return sc_v4l2_sink_open(vs, ctx);
 }

 static void
--- a/app/src/version.c
+++ b/app/src/version.c
@@ -10,20 +10,17 @@
 #ifdef HAVE_USB
 # include <libusb-1.0/libusb.h>
 #endif
-#include <SDL3/SDL_version.h>
+#include <SDL2/SDL_version.h>

 void
 scrcpy_print_version(void) {
    printf("\nDependencies (compiled / linked):\n");

-    int sdl = SDL_GetVersion();
+    SDL_version sdl;
+    SDL_GetVersion(&sdl);
    printf(" - SDL: %u.%u.%u / %u.%u.%u\n",
-           SDL_MAJOR_VERSION,
-           SDL_MINOR_VERSION,
-           SDL_MICRO_VERSION,
-           SDL_VERSIONNUM_MAJOR(sdl),
-           SDL_VERSIONNUM_MINOR(sdl),
-           SDL_VERSIONNUM_MICRO(sdl));
+           SDL_MAJOR_VERSION, SDL_MINOR_VERSION, SDL_PATCHLEVEL,
+           (unsigned) sdl.major, (unsigned) sdl.minor, (unsigned) sdl.patch);

    unsigned avcodec = avcodec_version();
    printf(" - libavcodec: %u.%u.%u / %u.%u.%u\n",
--- a/app/tests/test_command_windows.c
+++ b/app/tests/test_command_windows.c
@@ -1,61 +0,0 @@
-#include "common.h"
-
-#include <assert.h>
-#include <stdlib.h>
-
-#include "util/command.h"
-
-static void test_command_with_spaces(void) {
-    const char *const argv[] = {
-        "C:\\Program Files\\scrcpy\\adb",
-        "-s",
-        "serial with spaces",
-        "push",
-        "E:\\some folder\\scrcpy-server",
-        "/data/local/tmp/scrcpy-server.jar",
-        NULL,
-    };
-    char *cmd = sc_command_serialize_windows(argv);
-    const char *expected = "\"C:\\Program Files\\scrcpy\\adb\" "
-                           "\"-s\" "
-                           "\"serial with spaces\" "
-                           "\"push\" "
-                           "\"E:\\some folder\\scrcpy-server\" "
-                           "\"/data/local/tmp/scrcpy-server.jar\"";
-
-    assert(!strcmp(expected, cmd));
-    free(cmd);
-}
-
-static void test_command_with_backslashes(void) {
-    const char *const argv[] = {
-        "a\\\\ b\\",
-        "def \\",
-        "gh\"i\" \\\\",
-        "jkl\\\\",
-        "mno\\",
-        "p\\\"qr",
-        NULL,
-    };
-
-    char *cmd = sc_command_serialize_windows(argv);
-    const char *expected = "\"a\\\\ b\\\\\" "
-                           "\"def \\\\\" "
-                           "\"gh\\\"i\\\" \\\\\\\\\" "
-                           "\"jkl\\\\\\\\\" "
-                           "\"mno\\\\\" "
-                           "\"p\\\\\\\"qr\"";
-
-    assert(!strcmp(expected, cmd));
-    free(cmd);
-}
-
-int main(int argc, char *argv[]) {
-    (void) argc;
-    (void) argv;
-
-    test_command_with_spaces();
-    test_command_with_backslashes();
-
-    return 0;
-}
--- a/app/tests/test_control_msg_serialize.c
+++ b/app/tests/test_control_msg_serialize.c
@@ -127,8 +127,8 @@ static void test_serialize_inject_scroll_event(void) {
                    .height = 1920,
                },
            },
-            .hscroll = 16,
-            .vscroll = -16,
+            .hscroll = 1,
+            .vscroll = -1,
            .buttons = 1,
        },
    };
@@ -141,8 +141,8 @@ static void test_serialize_inject_scroll_event(void) {
        SC_CONTROL_MSG_TYPE_INJECT_SCROLL_EVENT,
        0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x04, 0x02, // 260 1026
        0x04, 0x38, 0x07, 0x80, // 1080 1920
-        0x7F, 0xFF, // 16 (float encoded as i16 in the range [-16, 16])
-        0x80, 0x00, // -16 (float encoded as i16 in the range [-16, 16])
+        0x7F, 0xFF, // 1 (float encoded as i16)
+        0x80, 0x00, // -1 (float encoded as i16)
        0x00, 0x00, 0x00, 0x01, // 1
    };
    assert(!memcmp(buf, expected, sizeof(expected)));
@@ -411,26 +411,6 @@ static void test_serialize_open_hard_keyboard(void) {
    assert(!memcmp(buf, expected, sizeof(expected)));
 }

-static void test_serialize_start_app(void) {
-    struct sc_control_msg msg = {
-        .type = SC_CONTROL_MSG_TYPE_START_APP,
-        .start_app = {
-            .name = "firefox",
-        },
-    };
-
-    uint8_t buf[SC_CONTROL_MSG_MAX_SIZE];
-    size_t size = sc_control_msg_serialize(&msg, buf);
-    assert(size == 9);
-
-    const uint8_t expected[] = {
-        SC_CONTROL_MSG_TYPE_START_APP,
-        7, // length
-        'f', 'i', 'r', 'e', 'f', 'o', 'x', // app name
-    };
-    assert(!memcmp(buf, expected, sizeof(expected)));
-}
-
 static void test_serialize_reset_video(void) {
    struct sc_control_msg msg = {
        .type = SC_CONTROL_MSG_TYPE_RESET_VIDEO,
@@ -446,55 +426,6 @@ static void test_serialize_reset_video(void) {
    assert(!memcmp(buf, expected, sizeof(expected)));
 }

-static void test_serialize_camera_set_torch(void) {
-    struct sc_control_msg msg = {
-        .type = SC_CONTROL_MSG_TYPE_CAMERA_SET_TORCH,
-        .camera_set_torch = {
-            .on = true,
-        },
-    };
-
-    uint8_t buf[SC_CONTROL_MSG_MAX_SIZE];
-    size_t size = sc_control_msg_serialize(&msg, buf);
-    assert(size == 2);
-
-    const uint8_t expected[] = {
-        SC_CONTROL_MSG_TYPE_CAMERA_SET_TORCH,
-        0x01, // true
-    };
-    assert(!memcmp(buf, expected, sizeof(expected)));
-}
-
-static void test_serialize_camera_zoom_in(void) {
-    struct sc_control_msg msg = {
-        .type = SC_CONTROL_MSG_TYPE_CAMERA_ZOOM_IN,
-    };
-
-    uint8_t buf[SC_CONTROL_MSG_MAX_SIZE];
-    size_t size = sc_control_msg_serialize(&msg, buf);
-    assert(size == 1);
-
-    const uint8_t expected[] = {
-        SC_CONTROL_MSG_TYPE_CAMERA_ZOOM_IN,
-    };
-    assert(!memcmp(buf, expected, sizeof(expected)));
-}
-
-static void test_serialize_camera_zoom_out(void) {
-    struct sc_control_msg msg = {
-        .type = SC_CONTROL_MSG_TYPE_CAMERA_ZOOM_OUT,
-    };
-
-    uint8_t buf[SC_CONTROL_MSG_MAX_SIZE];
-    size_t size = sc_control_msg_serialize(&msg, buf);
-    assert(size == 1);
-
-    const uint8_t expected[] = {
-        SC_CONTROL_MSG_TYPE_CAMERA_ZOOM_OUT,
-    };
-    assert(!memcmp(buf, expected, sizeof(expected)));
-}
-
 int main(int argc, char *argv[]) {
    (void) argc;
    (void) argv;
@@ -517,10 +448,6 @@ int main(int argc, char *argv[]) {
    test_serialize_uhid_input();
    test_serialize_uhid_destroy();
    test_serialize_open_hard_keyboard();
-    test_serialize_start_app();
    test_serialize_reset_video();
-    test_serialize_camera_set_torch();
-    test_serialize_camera_zoom_in();
-    test_serialize_camera_zoom_out();
    return 0;
 }
--- a/app/tests/test_str.c
+++ b/app/tests/test_str.c
@@ -131,6 +131,16 @@ static void test_join_truncated_after_sep(void) {
    assert(!strcmp("abc de ", s));
 }

+static void test_quote(void) {
+    const char *s = "abcde";
+    char *out = sc_str_quote(s);
+
+    // add '"' at the beginning and the end
+    assert(!strcmp("\"abcde\"", out));
+
+    free(out);
+}
+
 static void test_concat(void) {
    const char *s = "2024:11";
    char *out = sc_str_concat("my-prefix:", s);
@@ -388,6 +398,7 @@ int main(int argc, char *argv[]) {
    test_join_truncated_in_token();
    test_join_truncated_before_sep();
    test_join_truncated_after_sep();
+    test_quote();
    test_concat();
    test_utf8_truncate();
    test_parse_integer();
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ buildscript {
        mavenCentral()
    }
    dependencies {
-        classpath 'com.android.tools.build:gradle:8.13.0'
+        classpath 'com.android.tools.build:gradle:8.7.1'

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
--- a/doc/build.md
+++ b/doc/build.md
@@ -30,13 +30,13 @@ the following files to a directory accessible from your `PATH`:

 It is also available in scrcpy releases.

-The client requires [FFmpeg] and [SDL]. Just follow the instructions.
+The client requires [FFmpeg] and [LibSDL2]. Just follow the instructions.

 [adb]: https://developer.android.com/studio/command-line/adb.html
 [platform-tools]: https://developer.android.com/studio/releases/platform-tools.html
 [platform-tools-windows]: https://dl.google.com/android/repository/platform-tools-latest-windows.zip
 [ffmpeg]: https://en.wikipedia.org/wiki/FFmpeg
-[SDL]: https://en.wikipedia.org/wiki/Simple_DirectMedia_Layer
+[LibSDL2]: https://en.wikipedia.org/wiki/Simple_DirectMedia_Layer



@@ -50,10 +50,10 @@ Install the required packages from your package manager.

 ```bash
 # runtime dependencies
-sudo apt install ffmpeg libsdl3-0 adb libusb-1.0-0
+sudo apt install ffmpeg libsdl2-2.0-0 adb libusb-1.0-0

 # client build dependencies
-sudo apt install gcc git pkg-config meson ninja-build libsdl3-dev \
+sudo apt install gcc git pkg-config meson ninja-build libsdl2-dev \
                 libavcodec-dev libavdevice-dev libavformat-dev libavutil-dev \
                 libswresample-dev libusb-1.0-0-dev

@@ -77,7 +77,7 @@ pip3 install meson
 sudo dnf install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm

 # client build dependencies
-sudo dnf install SDL3-devel ffms2-devel libusb1-devel libavdevice-free-devel meson gcc make
+sudo dnf install SDL2-devel ffms2-devel libusb1-devel libavdevice-free-devel meson gcc make

 # server build dependencies
 sudo dnf install java-devel
@@ -121,7 +121,7 @@ install the required packages:

 ```bash
 # runtime dependencies
-pacman -S mingw-w64-x86_64-sdl3 \
+pacman -S mingw-w64-x86_64-SDL2 \
          mingw-w64-x86_64-ffmpeg \
          mingw-w64-x86_64-libusb

@@ -136,7 +136,7 @@ For a 32 bits version, replace `x86_64` by `i686`:

 ```bash
 # runtime dependencies
-pacman -S mingw-w64-i686-sdl3 \
+pacman -S mingw-w64-i686-SDL2 \
          mingw-w64-i686-ffmpeg \
          mingw-w64-i686-libusb

@@ -162,7 +162,7 @@ Install the packages with [Homebrew]:

 ```bash
 # runtime dependencies
-brew install sdl3 ffmpeg libusb
+brew install sdl2 ffmpeg libusb

 # client build dependencies
 brew install pkg-config meson
@@ -233,10 +233,10 @@ install` must be run as root)._

 #### Option 2: Use prebuilt server

- - [`scrcpy-server-v3.3.4`][direct-scrcpy-server]  
-   <sub>SHA-256: `8588238c9a5a00aa542906b6ec7e6d5541d9ffb9b5d0f6e1bc0e365e2303079e`</sub>
+ - [`scrcpy-server-v3.3`][direct-scrcpy-server]  
+   <sub>SHA-256: `351cb2edc7e4c2c75f09a7933fdabcf137be52e2602df154f24ec02db46e9e51`</sub>

-[direct-scrcpy-server]: https://github.com/Genymobile/scrcpy/releases/download/v3.3.4/scrcpy-server-v3.3.4
+[direct-scrcpy-server]: https://github.com/Genymobile/scrcpy/releases/download/v3.3/scrcpy-server-v3.3

 Download the prebuilt server somewhere, and specify its path during the Meson
 configuration:
@@ -271,7 +271,7 @@ This installs several files:
 - `/usr/local/bin/scrcpy` (main app)
 - `/usr/local/share/scrcpy/scrcpy-server` (server to push to the device)
 - `/usr/local/share/man/man1/scrcpy.1` (manpage)
- - `/usr/local/share/icons/hicolor/256x256/apps/scrcpy.png` (app icon)
+ - `/usr/local/share/icons/hicolor/256x256/apps/icon.png` (app icon)
 - `/usr/local/share/zsh/site-functions/_scrcpy` (zsh completion)
 - `/usr/local/share/bash-completion/completions/scrcpy` (bash completion)

--- a/doc/camera.md
+++ b/doc/camera.md
@@ -165,30 +165,6 @@ scrcpy --video-source=camera --camera-facing=back --camera-ar=16:9 --camera-high
 [brace expansion]: https://www.gnu.org/software/bash/manual/html_node/Brace-Expansion.html


-## Torch
-
-The camera torch can be turned on at startup by `--camera-torch`:
-
-```
-scrcpy --video-source=camera --camera-torch
-```
-
-It can also be turned on and off dynamically with <kbd>MOD</kbd>+<kbd>t</kbd>
-and <kbd>MOD</kbd>+<kbd>Shift</kbd>+<kbd>t</kbd>, respectively.
-
-
-## Zoom
-
-The camera zoom can be set with `--camera-zoom=`:
-
-```bash
-scrcpy --video-source=camera --camera-zoom=1.5
-```
-
-It can also be adjusted dynamically using <kbd>MOD</kbd>+<kbd>↑</kbd> _(up)_ and
-<kbd>MOD</kbd>+<kbd>↓</kbd> _(down)_.
-
-
 ## Webcam

 Combined with the [V4L2](v4l2.md) feature on Linux, the Android device camera
--- a/doc/develop.md
+++ b/doc/develop.md
@@ -409,11 +409,12 @@ with any client which uses the same protocol.

 For simplicity, some [server-specific options] have been added to produce raw
 streams easily:
- - `send_device_meta=false`: disable device metadata (in practice, the device
+ - `send_device_meta=false`: disable the device metata (in practice, the device
   name) sent on the _first_ socket
 - `send_frame_meta=false`: disable the 12-byte header for each packet
 - `send_dummy_byte`: disable the dummy byte sent on forward connections
- - `send_stream_meta`: disable codec and video size metadata
+ - `send_codec_meta`: disable the codec information (and initial device size for
+   video)
 - `raw_stream`: disable all the above

 [server-specific options]: https://github.com/Genymobile/scrcpy/blob/a3cdf1a6b86ea22786e1f7d09b9c202feabc6949/server/src/main/java/com/genymobile/scrcpy/Options.java#L309-L329
--- a/doc/linux.md
+++ b/doc/linux.md
@@ -6,11 +6,11 @@

 Download a static build of the [latest release]:

- - [`scrcpy-linux-x86_64-v3.3.4.tar.gz`][direct-linux-x86_64] (x86_64)  
-   <sub>SHA-256: `0305d98c06178c67e12427bbf340c436d0d58c9e2a39bf9ffbbf8f54d7ef95a5`</sub>
+ - [`scrcpy-linux-x86_64-v3.3.tar.gz`][direct-linux-x86_64] (x86_64)  
+   <sub>SHA-256: `a0abf37003c3c47a53c1b2a12420296a2b0ee323cf3610fd6fbf9d9bab9d99f3`</sub>

 [latest release]: https://github.com/Genymobile/scrcpy/releases/latest
-[direct-linux-x86_64]: https://github.com/Genymobile/scrcpy/releases/download/v3.3.4/scrcpy-linux-x86_64-v3.3.4.tar.gz
+[direct-linux-x86_64]: https://github.com/Genymobile/scrcpy/releases/download/v3.3/scrcpy-linux-x86_64-v3.3.tar.gz

 and extract it.

@@ -39,8 +39,8 @@ First, you need to install the required packages:

 ```bash
 # for Debian/Ubuntu
-sudo apt install ffmpeg libsdl3-0 adb wget \
-                 gcc git pkg-config meson ninja-build libsdl3-dev \
+sudo apt install ffmpeg libsdl2-2.0-0 adb wget \
+                 gcc git pkg-config meson ninja-build libsdl2-dev \
                 libavcodec-dev libavdevice-dev libavformat-dev libavutil-dev \
                 libswresample-dev libusb-1.0-0 libusb-1.0-0-dev
 ```
--- a/doc/macos.md
+++ b/doc/macos.md
@@ -6,14 +6,15 @@

 Download a static build of the [latest release]:

- - [`scrcpy-macos-aarch64-v3.3.4.tar.gz`][direct-macos-aarch64] (aarch64)  
-   <sub>SHA-256: `8fef43520405dd523c74e1530ac68febcc5a405ea89712c874936675da8513dd`</sub>
- - [`scrcpy-macos-x86_64-v3.3.4.tar.gz`][direct-macos-x86_64] (x86_64)  
-   <sub>SHA-256: `cf9b3453a33279b6009dfb256b1a84c374bd4c30a71edd74bacab28d72a5d929`</sub>
+ - [`scrcpy-macos-aarch64-v3.3.tar.gz`][direct-macos-aarch64] (aarch64)  
+   <sub>SHA-256: `7a4cdaeb8ba74593edda278c000ddedc8d70a51263a80b16a6345475d42ac21e`</sub>
+
+ - [`scrcpy-macos-x86_64-v3.3.tar.gz`][direct-macos-x86_64] (x86_64)  
+   <sub>SHA-256: `bb3c13aac166b92539371883a8781aa861a7cd18e3e6077e570ab7a1f562f774`</sub>

 [latest release]: https://github.com/Genymobile/scrcpy/releases/latest
-[direct-macos-aarch64]: https://github.com/Genymobile/scrcpy/releases/download/v3.3.4/scrcpy-macos-aarch64-v3.3.4.tar.gz
-[direct-macos-x86_64]: https://github.com/Genymobile/scrcpy/releases/download/v3.3.4/scrcpy-macos-x86_64-v3.3.4.tar.gz
+[direct-macos-aarch64]: https://github.com/Genymobile/scrcpy/releases/download/v3.3/scrcpy-macos-aarch64-v3.3.tar.gz
+[direct-macos-x86_64]: https://github.com/Genymobile/scrcpy/releases/download/v3.3/scrcpy-macos-x86_64-v3.3.tar.gz

 and extract it.

--- a/doc/shortcuts.md
+++ b/doc/shortcuts.md
@@ -58,10 +58,6 @@ _<kbd>[Super]</kbd> is typically the <kbd>Windows</kbd> or <kbd>Cmd</kbd> key._
 | Tilt horizontally (slide with 2 fingers)    | <kbd>Ctrl</kbd>+<kbd>Shift</kbd>+_click-and-move_
 | Drag & drop APK file                        | Install APK from computer
 | Drag & drop non-APK file                    | [Push file to device](control.md#push-file-to-device)
- | Turn on the camera torch (camera mode only) | <kbd>MOD</kbd>+<kbd>t</kbd>
- | Turn off the camera torch (camera mode only)| <kbd>MOD</kbd>+<kbd>Shift</kbd>+<kbd>t</kbd>
- | Zoom camera in (camera mode only)           | <kbd>MOD</kbd>+<kbd>↑</kbd> _(up)_
- | Zoom camera out (camera mode only)          | <kbd>MOD</kbd>+<kbd>↓</kbd> _(down)_

 _¹Double-click on black borders to remove them._  
 _²Right-click turns the screen on if it was off, presses BACK otherwise._  
--- a/doc/windows.md
+++ b/doc/windows.md
@@ -6,14 +6,14 @@

 Download the [latest release]:

- - [`scrcpy-win64-v3.3.4.zip`][direct-win64] (64-bit)  
-   <sub>SHA-256: `d8a155b7c180b7ca4cdadd40712b8750b63f3aab48cb5b8a2a39ac2d0d4c5d38`</sub>
- - [`scrcpy-win32-v3.3.4.zip`][direct-win32] (32-bit)  
-   <sub>SHA-256: `393f7d5379dabd8aacc41184755c3d0df975cd2861353cb7a8d50e0835e2eb72`</sub>
+ - [`scrcpy-win64-v3.3.zip`][direct-win64] (64-bit)  
+   <sub>SHA-256: `a120cb4be7cde2891af38e83d2008173a0b6b6b5e344b2dfe668d0f892999933`</sub>
+ - [`scrcpy-win32-v3.3.zip`][direct-win32] (32-bit)  
+   <sub>SHA-256: `e409ab83f8c57bd6ac741d652635cab7699fcf3d384e233833872f117b993ca6`</sub>

 [latest release]: https://github.com/Genymobile/scrcpy/releases/latest
-[direct-win64]: https://github.com/Genymobile/scrcpy/releases/download/v3.3.4/scrcpy-win64-v3.3.4.zip
-[direct-win32]: https://github.com/Genymobile/scrcpy/releases/download/v3.3.4/scrcpy-win32-v3.3.4.zip
+[direct-win64]: https://github.com/Genymobile/scrcpy/releases/download/v3.3/scrcpy-win64-v3.3.zip
+[direct-win32]: https://github.com/Genymobile/scrcpy/releases/download/v3.3/scrcpy-win32-v3.3.zip

 and extract it.

--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,7 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-bin.zip
 # https://gradle.org/release-checksums/
-distributionSha256Sum=bd71102213493060956ec229d946beee57158dbd89d0e62b91bca0fa2c5f3531
+distributionSha256Sum=d725d707bfabd4dfdc958c624003b3c80accc03f7037b5122c4b1d0ef15cecab
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
--- a/install_release.sh
+++ b/install_release.sh
@@ -2,8 +2,8 @@
 set -e

 BUILDDIR=build-auto
-PREBUILT_SERVER_URL=https://github.com/Genymobile/scrcpy/releases/download/v3.3.4/scrcpy-server-v3.3.4
-PREBUILT_SERVER_SHA256=8588238c9a5a00aa542906b6ec7e6d5541d9ffb9b5d0f6e1bc0e365e2303079e
+PREBUILT_SERVER_URL=https://github.com/Genymobile/scrcpy/releases/download/v3.3/scrcpy-server-v3.3
+PREBUILT_SERVER_SHA256=351cb2edc7e4c2c75f09a7933fdabcf137be52e2602df154f24ec02db46e9e51

 echo "[scrcpy] Downloading prebuilt server..."
 wget "$PREBUILT_SERVER_URL" -O scrcpy-server
--- a/Show More
+++ b/Show More