Add shortcuts to change the camera zoom

MOD+up and MOD+zoom change the camera zoom.

TODO ref 6243

Signed-off-by: Romain Vimont <rom@rom1v.com>

.github/workflows/release.yml

@@ -72,19 +72,13 @@ 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
+          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
 
         # SDL3 is not available in Ubuntu yet
       - name: Install SDL3
@@ -112,19 +106,13 @@ 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 +140,9 @@ 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 +171,9 @@ 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
@@ -245,7 +237,7 @@ 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: |

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 (v3.3.3)
 
 <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

app/data/bash-completion/scrcpy

@@ -18,6 +18,8 @@ _scrcpy() {
         --camera-fps=
         --camera-high-speed
         --camera-size=
+        --camera-torch
+        --camera-zoom=
         --capture-orientation=
         --crop=
         -d --select-usb
@@ -197,6 +199,8 @@ _scrcpy() {
         |--camera-id \
         |--camera-fps \
         |--camera-size \
+        |--camera-torch \
+        |--camera-zoom \
         |--crop \
         |--display-id \
         |--max-fps \

app/data/zsh-completion/_scrcpy

@@ -25,6 +25,8 @@ 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]'

app/deps/sdl.sh

@@ -3,9 +3,9 @@ set -ex
 . $(dirname ${BASH_SOURCE[0]})/_init
 process_args "$@"
 
-VERSION=3.4.0
+VERSION=3.2.18
 URL="https://github.com/libsdl-org/SDL/archive/refs/tags/release-$VERSION.tar.gz"
-SHA256SUM=9614b9696abc4597ffce6b888829dc6537ae500423474c342ac4a67222c5654c
+SHA256SUM=51539fa13e546bc50c632beed3f34257de2baa38a4c642048de56377903b4265
 
 PROJECT_DIR="sdl-$VERSION"
 FILENAME="$PROJECT_DIR.tar.gz"
@@ -37,7 +37,6 @@ else
 
     conf=(
         -DCMAKE_INSTALL_PREFIX="$INSTALL_DIR/$DIRNAME"
-        -DSDL_TESTS=OFF
     )
 
     if [[ "$HOST" == linux ]]

app/meson.build

@@ -276,7 +276,7 @@ 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

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", "3.3.3"
     END
   END
   BLOCK "VarFileInfo"

app/scrcpy.1

@@ -131,6 +131,14 @@ 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 '@'.
@@ -815,6 +823,14 @@ Install APK from computer
 .B Drag & drop non-APK file
 Push file to device (see \fB\-\-push\-target\fR)
 
+.TP
+.B MOD+l
+Turn on the camera torch (camera mode only)
+
+.TP
+.B MOD+Shift+l
+Turn off the camera torch (camera mode only)
+
 
 .SH Environment variables
 

app/src/audio_player.c

@@ -47,7 +47,10 @@ 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 AVCodecContext *ctx,
+                                const struct sc_stream_session *session) {
+    (void) session;
+
     struct sc_audio_player *ap = DOWNCAST(sink);
 
 #ifdef SCRCPY_LAVU_HAS_CHLAYOUT

app/src/cli.c

@@ -114,6 +114,8 @@ enum {
     OPT_NO_VD_SYSTEM_DECORATIONS,
     OPT_NO_VD_DESTROY_CONTENT,
     OPT_DISPLAY_IME_POLICY,
+    OPT_CAMERA_TORCH,
+    OPT_CAMERA_ZOOM,
 };
 
 struct sc_option {
@@ -313,6 +315,17 @@ 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",
@@ -1207,6 +1220,14 @@ static const struct sc_shortcut shortcuts[] = {
         .shortcuts = { "Drag & drop non-APK file" },
         .text = "Push file to device (see --push-target)",
     },
+    {
+        .shortcuts = { "MOD+l" },
+        .text = "Turn on the camera torch (camera mode only)",
+    },
+    {
+        .shortcuts = { "MOD+Shift+l" },
+        .text = "Turn off the camera torch (camera mode only)",
+    },
 };
 
 static const struct sc_envvar envvars[] = {
@@ -2780,6 +2801,12 @@ 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;
@@ -2928,7 +2955,7 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
     }
 #endif
 
-    if (opts->control) {
+    if (opts->control && opts->video_source == SC_VIDEO_SOURCE_DISPLAY) {
         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;
@@ -3106,8 +3133,10 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
         }
 
         if (opts->control) {
-            LOGI("Camera video source: control disabled");
-            opts->control = false;
+            // 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;
         }
     } else if (opts->camera_id
             || opts->camera_ar

app/src/control_msg.c

@@ -182,12 +182,17 @@ 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:
@@ -318,6 +323,16 @@ 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;

app/src/control_msg.h

@@ -43,6 +43,9 @@ 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 {
@@ -111,6 +114,9 @@ struct sc_control_msg {
         struct {
             char *name;
         } start_app;
+        struct {
+            bool on;
+        } camera_set_torch;
     };
 };
 

app/src/decoder.c

@@ -10,20 +10,30 @@
 #define DOWNCAST(SINK) container_of(SINK, struct sc_decoder, packet_sink)
 
 static bool
-sc_decoder_open(struct sc_decoder *decoder, AVCodecContext *ctx) {
+sc_decoder_open(struct sc_decoder *decoder, AVCodecContext *ctx,
+                const struct sc_stream_session *session) {
     decoder->frame = av_frame_alloc();
     if (!decoder->frame) {
         LOG_OOM();
         return false;
     }
 
-    if (!sc_frame_source_sinks_open(&decoder->frame_source, ctx)) {
+    if (!sc_frame_source_sinks_open(&decoder->frame_source, ctx, session)) {
         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;
 }
 
@@ -61,6 +71,32 @@ 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);
@@ -74,9 +110,17 @@ sc_decoder_push(struct sc_decoder *decoder, const AVPacket *packet) {
 }
 
 static bool
-sc_decoder_packet_sink_open(struct sc_packet_sink *sink, AVCodecContext *ctx) {
+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) {
     struct sc_decoder *decoder = DOWNCAST(sink);
-    return sc_decoder_open(decoder, ctx);
+    return sc_decoder_open(decoder, ctx, session);
 }
 
 static void
@@ -92,6 +136,14 @@ 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
@@ -101,6 +153,7 @@ 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;

app/src/decoder.h

@@ -5,6 +5,7 @@
 
 #include <libavcodec/avcodec.h>
 
+#include "coords.h"
 #include "trait/frame_source.h"
 #include "trait/packet_sink.h"
 
@@ -16,6 +17,9 @@ 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)

app/src/delay_buffer.c

@@ -10,16 +10,18 @@
 #define DOWNCAST(SINK) container_of(SINK, struct sc_delay_buffer, frame_sink)
 
 static bool
-sc_delayed_frame_init(struct sc_delayed_frame *dframe, const AVFrame *frame) {
-    dframe->frame = av_frame_alloc();
-    if (!dframe->frame) {
+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) {
         LOG_OOM();
         return false;
     }
 
-    if (av_frame_ref(dframe->frame, frame)) {
+    if (av_frame_ref(dpacket->frame, frame)) {
         LOG_OOM();
-        av_frame_free(&dframe->frame);
+        av_frame_free(&dpacket->frame);
         return false;
     }
 
@@ -27,9 +29,18 @@ sc_delayed_frame_init(struct sc_delayed_frame *dframe, const AVFrame *frame) {
 }
 
 static void
-sc_delayed_frame_destroy(struct sc_delayed_frame *dframe) {
-    av_frame_unref(dframe->frame);
-    av_frame_free(&dframe->frame);
+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);
+    }
 }
 
 static int
@@ -50,43 +61,52 @@ run_buffering(void *data) {
             goto stopped;
         }
 
-        struct sc_delayed_frame dframe = sc_vecdeque_pop(&db->queue);
+        struct sc_delayed_packet dpacket = sc_vecdeque_pop(&db->queue);
 
-        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 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);
 
-        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 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);
             }
 
-            timed_out =
-                !sc_cond_timedwait(&db->wait_cond, &db->mutex, deadline);
-        }
+            bool stopped = db->stopped;
+            sc_mutex_unlock(&db->mutex);
 
-        bool stopped = db->stopped;
-        sc_mutex_unlock(&db->mutex);
-
-        if (stopped) {
-            sc_delayed_frame_destroy(&dframe);
-            goto stopped;
-        }
+            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());
+            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);
+            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);
+        }
+
+        sc_delayed_packet_destroy(&dpacket);
         if (!ok) {
-            LOGE("Delayed frame could not be pushed, stopping");
+            LOGE("Delayed packet could not be pushed, stopping");
             sc_mutex_lock(&db->mutex);
-            // Prevent to push any new frame
+            // Prevent to push any new packet
             db->stopped = true;
             sc_mutex_unlock(&db->mutex);
             goto stopped;
@@ -98,8 +118,8 @@ stopped:
 
     // Flush queue
     while (!sc_vecdeque_is_empty(&db->queue)) {
-        struct sc_delayed_frame *dframe = sc_vecdeque_popref(&db->queue);
-        sc_delayed_frame_destroy(dframe);
+        struct sc_delayed_packet *dpacket = sc_vecdeque_popref(&db->queue);
+        sc_delayed_packet_destroy(dpacket);
     }
 
     LOGD("Buffering thread ended");
@@ -109,9 +129,11 @@ stopped:
 
 static bool
 sc_delay_buffer_frame_sink_open(struct sc_frame_sink *sink,
-                                const AVCodecContext *ctx) {
+                                const AVCodecContext *ctx,
+                                const struct sc_stream_session *session) {
     struct sc_delay_buffer *db = DOWNCAST(sink);
     (void) ctx;
+    (void) session;
 
     bool ok = sc_mutex_init(&db->mutex);
     if (!ok) {
@@ -132,7 +154,7 @@ 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)) {
+    if (!sc_frame_source_sinks_open(&db->frame_source, ctx, session)) {
         goto error_destroy_wait_cond;
     }
 
@@ -196,24 +218,56 @@ sc_delay_buffer_frame_sink_push(struct sc_frame_sink *sink,
         return sc_frame_source_sinks_push(&db->frame_source, frame);
     }
 
-    struct sc_delayed_frame dframe;
-    bool ok = sc_delayed_frame_init(&dframe, frame);
-    if (!ok) {
+    struct sc_delayed_packet *dpacket = sc_vecdeque_push_hole(&db->queue);
+    if (!dpacket) {
         sc_mutex_unlock(&db->mutex);
+        LOG_OOM();
         return false;
     }
 
-#ifdef SC_BUFFERING_DEBUG
-    dframe.push_date = sc_tick_now();
-#endif
-
-    ok = sc_vecdeque_push(&db->queue, dframe);
+    bool ok = sc_delayed_packet_init_frame(dpacket, frame);
     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);
@@ -235,6 +289,7 @@ 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;

app/src/delay_buffer.h

@@ -18,14 +18,23 @@
 // forward declarations
 typedef struct AVFrame AVFrame;
 
-struct sc_delayed_frame {
-    AVFrame *frame;
+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;
+    };
 #ifdef SC_BUFFERING_DEBUG
     sc_tick push_date;
 #endif
 };
 
-struct sc_delayed_frame_queue SC_VECDEQUE(struct sc_delayed_frame);
+struct sc_delayed_packet_queue SC_VECDEQUE(struct sc_delayed_packet);
 
 struct sc_delay_buffer {
     struct sc_frame_source frame_source; // frame source trait
@@ -40,7 +49,7 @@ struct sc_delay_buffer {
     sc_cond wait_cond;
 
     struct sc_clock clock;
-    struct sc_delayed_frame_queue queue;
+    struct sc_delayed_packet_queue queue;
     bool stopped;
 };
 

app/src/demuxer.c

@@ -11,8 +11,8 @@
 
 #define SC_PACKET_HEADER_SIZE 12
 
-#define SC_PACKET_FLAG_CONFIG    (UINT64_C(1) << 63)
-#define SC_PACKET_FLAG_KEY_FRAME (UINT64_C(1) << 62)
+#define SC_PACKET_FLAG_CONFIG    (UINT64_C(1) << 62)
+#define SC_PACKET_FLAG_KEY_FRAME (UINT64_C(1) << 61)
 
 #define SC_PACKET_PTS_MASK (SC_PACKET_FLAG_KEY_FRAME - 1)
 
@@ -63,48 +63,75 @@ sc_demuxer_recv_codec_id(struct sc_demuxer *demuxer, uint32_t *codec_id) {
     return true;
 }
 
-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) {
+static inline bool
+sc_demuxer_recv_header(struct sc_demuxer *demuxer,
+                       uint8_t buf[static SC_PACKET_HEADER_SIZE]) {
     // 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:
+    // 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:
+    //
     // [. . . . . . . .|. . . .]. . . . . . . . . . . . . . . ...
     //  <-------------> <-----> <-----------------------------...
     //        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 7   byte 6   byte 5   byte 4   byte 3   byte 2   byte 1   byte 0
-    // CK...... ........ ........ ........ ........ ........ ........ ........
-    // ^^<------------------------------------------------------------------->
-    // ||                                PTS
-    // | `- key frame
-    //  `-- config packet
+    //  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;
+}
 
-    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 bool
+sc_demuxer_is_session(const uint8_t *header) {
+    return header[0] & 0x80;
+}
 
+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);
@@ -114,7 +141,7 @@ sc_demuxer_recv_packet(struct sc_demuxer *demuxer, AVPacket *packet) {
         return false;
     }
 
-    r = net_recv_all(demuxer->socket, packet->data, len);
+    ssize_t r = net_recv_all(demuxer->socket, packet->data, len);
     if (r < 0 || ((uint32_t) r) < len) {
         av_packet_unref(packet);
         return false;
@@ -187,17 +214,28 @@ 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) {
-        uint32_t width;
-        uint32_t height;
-        ok = sc_demuxer_recv_video_size(demuxer, &width, &height);
+        bool ok = sc_demuxer_recv_header(demuxer, header);
         if (!ok) {
             goto finally_free_context;
         }
 
-        codec_ctx->width = width;
-        codec_ctx->height = height;
+        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->pix_fmt = AV_PIX_FMT_YUV420P;
+
     } else {
         // Hardcoded audio properties
 #ifdef SCRCPY_LAVU_HAS_CHLAYOUT
@@ -219,7 +257,8 @@ run_demuxer(void *data) {
         goto finally_free_context;
     }
 
-    if (!sc_packet_source_sinks_open(&demuxer->packet_source, codec_ctx)) {
+    if (!sc_packet_source_sinks_open(&demuxer->packet_source, codec_ctx,
+                                     session)) {
         goto finally_free_context;
     }
 
@@ -241,27 +280,39 @@ run_demuxer(void *data) {
     }
 
     for (;;) {
-        bool ok = sc_demuxer_recv_packet(demuxer, packet);
+        bool ok = sc_demuxer_recv_header(demuxer, header);
         if (!ok) {
             // end of stream
             status = SC_DEMUXER_STATUS_EOS;
             break;
         }
 
-        if (must_merge_config_packet) {
-            // Prepend any config packet to the next media packet
-            ok = sc_packet_merger_merge(&merger, packet);
+        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 (!ok) {
-                av_packet_unref(packet);
+                // The sink already logged its concrete error
                 break;
             }
-        }
+        } else {
+            sc_demuxer_recv_packet(demuxer, header, packet);
 
-        ok = sc_packet_source_sinks_push(&demuxer->packet_source, packet);
-        av_packet_unref(packet);
-        if (!ok) {
-            // The sink already logged its concrete error
-            break;
+            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;
+            }
         }
     }
 

app/src/display.c

@@ -349,7 +349,7 @@ sc_display_update_texture_internal(struct sc_display *display,
         struct sc_opengl *gl = &display->gl;
 
         gl->BindTexture(GL_TEXTURE_2D, display->texture_id);
-        gl->GenerateMipmap(GL_TEXTURE_2D);
+        display->gl.GenerateMipmap(GL_TEXTURE_2D);
         gl->BindTexture(GL_TEXTURE_2D, 0);
     }
 

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.

app/src/icon.c

@@ -261,7 +261,7 @@ load_from_path(const char *path) {
     // frame owns the data
     bool ok = SDL_SetPointerProperty(props, "sc_frame", frame);
     if (!ok) {
-        LOGE("Could not set pointer property: %s", SDL_GetError());
+        LOGE("Could not get surface properties: %s", SDL_GetError());
         SDL_DestroySurface(surface);
         goto error;
     }

app/src/input_events.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
@@ -323,6 +322,9 @@ enum sc_mouse_button {
     SC_MOUSE_BUTTON_X2 = SDL_BUTTON_MASK(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,
@@ -409,9 +411,10 @@ 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;
@@ -497,7 +500,7 @@ static inline enum sc_gamepad_axis
 sc_gamepad_axis_from_sdl(uint8_t axis) {
     if (axis <= SDL_GAMEPAD_AXIS_RIGHT_TRIGGER) {
         // SC_GAMEPAD_AXIS_* constants are initialized from
-        // SDL_GAMEPAD_AXIS_*
+        // SDL_CONTROLLER_AXIS_*
         return axis;
     }
     return SC_GAMEPAD_AXIS_UNKNOWN;
@@ -507,14 +510,14 @@ static inline enum sc_gamepad_button
 sc_gamepad_button_from_sdl(uint8_t button) {
     if (button <= SDL_GAMEPAD_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) {
+sc_action_from_sdl_controllerbutton_type(uint32_t type) {
     assert(type == SDL_EVENT_GAMEPAD_BUTTON_DOWN || type == SDL_EVENT_GAMEPAD_BUTTON_UP);
     if (type == SDL_EVENT_GAMEPAD_BUTTON_DOWN) {
         return SC_ACTION_DOWN;

app/src/input_manager.c

@@ -29,6 +29,7 @@ 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;
@@ -52,7 +53,7 @@ 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);
+    assert(im->controller && im->kp && !im->camera);
 
     // send DOWN event
     struct sc_control_msg msg;
@@ -109,7 +110,7 @@ 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);
+    assert(im->controller && im->kp && !im->camera);
 
     struct sc_control_msg msg;
     msg.type = SC_CONTROL_MSG_TYPE_BACK_OR_SCREEN_ON;
@@ -124,7 +125,7 @@ press_back_or_turn_screen_on(struct sc_input_manager *im,
 
 static void
 expand_notification_panel(struct sc_input_manager *im) {
-    assert(im->controller);
+    assert(im->controller && !im->camera);
 
     struct sc_control_msg msg;
     msg.type = SC_CONTROL_MSG_TYPE_EXPAND_NOTIFICATION_PANEL;
@@ -136,7 +137,7 @@ expand_notification_panel(struct sc_input_manager *im) {
 
 static void
 expand_settings_panel(struct sc_input_manager *im) {
-    assert(im->controller);
+    assert(im->controller && !im->camera);
 
     struct sc_control_msg msg;
     msg.type = SC_CONTROL_MSG_TYPE_EXPAND_SETTINGS_PANEL;
@@ -148,7 +149,7 @@ expand_settings_panel(struct sc_input_manager *im) {
 
 static void
 collapse_panels(struct sc_input_manager *im) {
-    assert(im->controller);
+    assert(im->controller && !im->camera);
 
     struct sc_control_msg msg;
     msg.type = SC_CONTROL_MSG_TYPE_COLLAPSE_PANELS;
@@ -160,7 +161,7 @@ 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);
+    assert(im->controller && im->kp && !im->camera);
 
     struct sc_control_msg msg;
     msg.type = SC_CONTROL_MSG_TYPE_GET_CLIPBOARD;
@@ -177,7 +178,7 @@ 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);
+    assert(im->controller && im->kp && !im->camera);
 
     char *text = SDL_GetClipboardText();
     if (!text) {
@@ -209,7 +210,7 @@ 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);
+    assert(im->controller && !im->camera);
 
     struct sc_control_msg msg;
     msg.type = SC_CONTROL_MSG_TYPE_SET_DISPLAY_POWER;
@@ -236,7 +237,7 @@ switch_fps_counter_state(struct sc_input_manager *im) {
 
 static void
 clipboard_paste(struct sc_input_manager *im) {
-    assert(im->controller && im->kp);
+    assert(im->controller && im->kp && !im->camera);
 
     char *text = SDL_GetClipboardText();
     if (!text) {
@@ -267,7 +268,7 @@ clipboard_paste(struct sc_input_manager *im) {
 
 static void
 rotate_device(struct sc_input_manager *im) {
-    assert(im->controller);
+    assert(im->controller && !im->camera);
 
     struct sc_control_msg msg;
     msg.type = SC_CONTROL_MSG_TYPE_ROTATE_DEVICE;
@@ -279,7 +280,7 @@ rotate_device(struct sc_input_manager *im) {
 
 static void
 open_hard_keyboard_settings(struct sc_input_manager *im) {
-    assert(im->controller);
+    assert(im->controller && !im->camera);
 
     struct sc_control_msg msg;
     msg.type = SC_CONTROL_MSG_TYPE_OPEN_HARD_KEYBOARD_SETTINGS;
@@ -301,6 +302,43 @@ 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) {
@@ -313,6 +351,10 @@ 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;
@@ -370,6 +412,9 @@ 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;
@@ -403,106 +448,45 @@ 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_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);
                     }
-                } else if (im->kp && !paused) {
-                    // forward repeated events
-                    action_volume_down(im, action);
+                    return;
                 }
-                return;
+                break;
             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);
                     }
-                } else if (im->kp && !paused) {
-                    // forward repeated events
-                    action_volume_up(im, action);
+                    return;
                 }
-                return;
+                break;
             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);
-                    }
-                }
-                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);
+                        apply_orientation_transform(im, SC_ORIENTATION_90);
                     }
                 }
                 return;
@@ -526,33 +510,134 @@ sc_input_manager_process_key(struct sc_input_manager *im,
                     switch_fps_counter_state(im);
                 }
                 return;
-            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) {
+        }
+
+        // Flatten conditions to avoid additional indentation levels
+        if (control) {
+            // Controls for all sources
+            switch (sdl_keycode) {
+                case SDLK_R:
+                    if (!repeat && shift && down && !paused) {
                         reset_video(im);
-                    } else {
+                    }
+                    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) {
                         rotate_device(im);
                     }
-                }
-                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;
+                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_L:
+                    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;
@@ -562,6 +647,8 @@ 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;
     if (im->clipboard_autosync && is_ctrl_v) {
@@ -633,6 +720,10 @@ 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;
@@ -668,6 +759,10 @@ 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;
@@ -716,6 +811,13 @@ 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;
@@ -883,6 +985,10 @@ 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;
@@ -907,17 +1013,23 @@ 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");
+        SDL_Gamepad *gc = SDL_OpenGamepad(event->which);
+        if (!gc) {
+            LOGW("Could not open game controller");
             return;
         }
 
-        SDL_Joystick *joystick = SDL_GetGamepadJoystick(sdl_gamepad);
+        SDL_Joystick *joystick = SDL_GetGamepadJoystick(gc);
         if (!joystick) {
-            LOGW("Could not get gamepad joystick");
-            SDL_CloseGamepad(sdl_gamepad);
+            LOGW("Could not get controller joystick");
+            SDL_CloseGamepad(gc);
             return;
         }
 
@@ -928,9 +1040,9 @@ sc_input_manager_process_gamepad_device(struct sc_input_manager *im,
     } else if (event->type == SDL_EVENT_GAMEPAD_REMOVED) {
         SDL_JoystickID id = event->which;
 
-        SDL_Gamepad *sdl_gamepad = SDL_GetGamepadFromID(id);
-        if (sdl_gamepad) {
-            SDL_CloseGamepad(sdl_gamepad);
+        SDL_Gamepad *gc = SDL_GetGamepadFromID(id);
+        if (gc) {
+            SDL_CloseGamepad(gc);
         } else {
             LOGW("Unknown gamepad device removed");
         }
@@ -948,6 +1060,10 @@ 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;
+    }
+
     enum sc_gamepad_axis axis = sc_gamepad_axis_from_sdl(event->axis);
     if (axis == SC_GAMEPAD_AXIS_UNKNOWN) {
         return;
@@ -964,6 +1080,10 @@ 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;
+    }
+
     enum sc_gamepad_button button = sc_gamepad_button_from_sdl(event->button);
     if (button == SC_GAMEPAD_BUTTON_UNKNOWN) {
         return;
@@ -971,7 +1091,7 @@ 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);
@@ -986,6 +1106,10 @@ 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);
     if (!file) {
@@ -1008,72 +1132,41 @@ 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:
-            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:
-            // 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:
-            if (!im->mp || paused) {
-                break;
-            }
             sc_input_manager_process_mouse_motion(im, &event->motion);
             break;
         case SDL_EVENT_MOUSE_WHEEL:
-            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:
-            // 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:
-            if (!im->mp || paused) {
-                break;
-            }
             sc_input_manager_process_touch(im, &event->tfinger);
             break;
         case SDL_EVENT_GAMEPAD_ADDED:
         case SDL_EVENT_GAMEPAD_REMOVED:
-            // Handle device added or removed even if paused
-            if (!im->gp) {
-                break;
-            }
             sc_input_manager_process_gamepad_device(im, &event->gdevice);
             break;
         case SDL_EVENT_GAMEPAD_AXIS_MOTION:
-            if (!im->gp || paused) {
-                break;
-            }
             sc_input_manager_process_gamepad_axis(im, &event->gaxis);
             break;
         case SDL_EVENT_GAMEPAD_BUTTON_DOWN:
         case SDL_EVENT_GAMEPAD_BUTTON_UP:
-            if (!im->gp || paused) {
-                break;
-            }
             sc_input_manager_process_gamepad_button(im, &event->gbutton);
             break;
         case SDL_EVENT_DROP_FILE: {
-            if (!control) {
-                break;
-            }
             sc_input_manager_process_file(im, &event->drop);
         }
     }

app/src/input_manager.h

@@ -24,6 +24,8 @@ 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;
@@ -53,6 +55,7 @@ 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;

app/src/main.c

@@ -5,14 +5,14 @@
 #ifdef HAVE_V4L2
 # include <libavdevice/avdevice.h>
 #endif
+#define SDL_FUNCTION_POINTER_IS_VOID_POINTER
+#include <SDL3/SDL_stdinc.h>
 #include <SDL3/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"

app/src/mouse_capture.c

@@ -57,8 +57,8 @@ sc_mouse_capture_handle_event(struct sc_mouse_capture *mc,
         case SDL_EVENT_MOUSE_MOTION:
         case SDL_EVENT_MOUSE_BUTTON_DOWN:
             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;

app/src/options.c

@@ -16,6 +16,7 @@ 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,
@@ -113,6 +114,7 @@ const struct scrcpy_options scrcpy_options_default = {
     .angle = NULL,
     .vd_destroy_content = true,
     .vd_system_decorations = true,
+    .camera_torch = false,
 };
 
 enum sc_orientation

app/src/options.h

@@ -241,6 +241,7 @@ 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;
@@ -327,6 +328,7 @@ 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;

app/src/recorder.c

@@ -541,7 +541,10 @@ 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) {
+                                   AVCodecContext *ctx,
+                                   const struct sc_stream_session *session) {
+    (void) session;
+
     struct sc_recorder *recorder = DOWNCAST_VIDEO(sink);
     // only written from this thread, no need to lock
     assert(!recorder->video_init);
@@ -635,7 +638,10 @@ 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) {
+                                   AVCodecContext *ctx,
+                                   const struct sc_stream_session *session) {
+    (void) session;
+
     struct sc_recorder *recorder = DOWNCAST_AUDIO(sink);
     assert(recorder->audio);
     // only written from this thread, no need to lock

app/src/scrcpy.c

@@ -355,7 +355,7 @@ 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);
@@ -469,6 +469,8 @@ 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,
@@ -802,6 +804,7 @@ 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,

app/src/screen.c

@@ -27,11 +27,13 @@ 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));
+// set the window size to be applied when fullscreen is disabled
+static inline void
+assert_not_fullscreen(struct sc_screen *screen) {
+    (void) screen;
+    assert(!screen->fullscreen);
+    assert(!screen->maximized);
+    assert(!screen->minimized);
 }
 
 // get the preferred display bounds (i.e. the screen bounds with some margins)
@@ -39,11 +41,6 @@ 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) {
         LOGW("Could not get display usable bounds: %s", SDL_GetError());
@@ -219,7 +216,7 @@ 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_EVENT_WINDOW_EXPOSED) {
         // 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);
@@ -231,9 +228,11 @@ event_watcher(void *data, SDL_Event *event) {
 
 static bool
 sc_screen_frame_sink_open(struct sc_frame_sink *sink,
-                          const AVCodecContext *ctx) {
+                          const AVCodecContext *ctx,
+                          const struct sc_stream_session *session) {
     assert(ctx->pix_fmt == AV_PIX_FMT_YUV420P);
     (void) ctx;
+    (void) session;
 
     struct sc_screen *screen = DOWNCAST(sink);
     (void) screen;
@@ -295,11 +294,15 @@ sc_screen_init(struct sc_screen *screen,
     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;
@@ -410,6 +413,7 @@ 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,
@@ -477,7 +481,7 @@ sc_screen_show_initial_window(struct sc_screen *screen) {
         get_initial_optimal_size(screen->content_size, screen->req.width,
                                                        screen->req.height);
 
-    assert(is_windowed(screen));
+    assert_not_fullscreen(screen);
     sc_sdl_set_window_size(screen->window, window_size);
     sc_sdl_set_window_position(screen->window, position);
 
@@ -533,7 +537,7 @@ 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));
+    assert_not_fullscreen(screen);
     sc_sdl_set_window_size(screen->window, target_size);
 }
 
@@ -541,7 +545,7 @@ 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
@@ -557,7 +561,9 @@ 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);
@@ -705,23 +711,26 @@ 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);
+    bool ok = SDL_SetWindowFullscreen(screen->window, !screen->fullscreen);
     if (!ok) {
         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;
     }
 
@@ -750,10 +759,15 @@ 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) {
+        sc_sdl_restore_window(screen->window);
+        screen->maximized = false;
+    }
+
     struct sc_size content_size = screen->content_size;
     sc_sdl_set_window_size(screen->window, content_size);
     LOGD("Resized to pixel-perfect: %ux%u", content_size.width,
@@ -785,20 +799,24 @@ sc_screen_handle_event(struct sc_screen *screen, const SDL_Event *event) {
                 sc_screen_render(screen, true);
             }
             return true;
+        case SDL_EVENT_WINDOW_MAXIMIZED:
+            screen->maximized = true;
+            return true;
+        case SDL_EVENT_WINDOW_MINIMIZED:
+            screen->minimized = true;
+            return true;
         case SDL_EVENT_WINDOW_RESTORED:
-            if (screen->has_video_window && is_windowed(screen)) {
-                apply_pending_resize(screen);
-                sc_screen_render(screen, true);
+            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).
+                return true;
             }
-            return true;
-        case SDL_EVENT_WINDOW_ENTER_FULLSCREEN:
-            LOGD("Switched to fullscreen mode");
-            assert(screen->has_video_window);
-            return true;
-        case SDL_EVENT_WINDOW_LEAVE_FULLSCREEN:
-            LOGD("Switched to windowed mode");
-            assert(screen->has_video_window);
-            if (is_windowed(screen)) {
+            screen->maximized = false;
+            screen->minimized = false;
+            if (screen->has_video_window) {
                 apply_pending_resize(screen);
                 sc_screen_render(screen, true);
             }

app/src/screen.h

@@ -30,6 +30,7 @@ struct sc_screen {
 #endif
 
     bool video;
+    bool camera;
 
     struct sc_display display;
     struct sc_input_manager im;
@@ -62,6 +63,9 @@ struct sc_screen {
     struct SDL_Rect rect;
     bool has_frame;
     bool has_video_window;
+    bool fullscreen;
+    bool maximized;
+    bool minimized;
 
     AVFrame *frame;
 
@@ -71,6 +75,7 @@ struct sc_screen {
 
 struct sc_screen_params {
     bool video;
+    bool camera;
 
     struct sc_controller *controller;
     struct sc_file_pusher *fp;

app/src/server.c

@@ -357,6 +357,13 @@ 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");
     }

app/src/server.h

@@ -35,6 +35,7 @@ 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;
@@ -68,6 +69,7 @@ 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;

app/src/trait/frame_sink.h

@@ -6,6 +6,8 @@
 #include <stdbool.h>
 #include <libavcodec/avcodec.h>
 
+#include "trait/packet_sink.h"
+
 /**
  * Frame sink trait.
  *
@@ -17,9 +19,16 @@ 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);
+    bool (*open)(struct sc_frame_sink *sink, const AVCodecContext *ctx,
+                 const struct sc_stream_session *session);
     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

app/src/trait/frame_source.c

@@ -27,11 +27,12 @@ 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 AVCodecContext *ctx,
+                           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->open(sink, ctx)) {
+        if (!sink->ops->open(sink, ctx, session)) {
             sc_frame_source_sinks_close_firsts(source, i);
             return false;
         }
@@ -59,3 +60,18 @@ 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;
+}

app/src/trait/frame_source.h

@@ -28,7 +28,8 @@ 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 AVCodecContext *ctx,
+                           const struct sc_stream_session *session);
 
 void
 sc_frame_source_sinks_close(struct sc_frame_source *source);
@@ -37,4 +38,8 @@ 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

app/src/trait/packet_sink.h

@@ -15,12 +15,28 @@ 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);
+    bool (*open)(struct sc_packet_sink *sink, AVCodecContext *ctx,
+                 const struct sc_stream_session *session);
     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.
      *

app/src/trait/packet_source.c

@@ -27,11 +27,12 @@ sc_packet_source_sinks_close_firsts(struct sc_packet_source *source,
 
 bool
 sc_packet_source_sinks_open(struct sc_packet_source *source,
-                            AVCodecContext *ctx) {
+                            AVCodecContext *ctx,
+                            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->open(sink, ctx)) {
+        if (!sink->ops->open(sink, ctx, session)) {
             sc_packet_source_sinks_close_firsts(source, i);
             return false;
         }
@@ -60,6 +61,20 @@ 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);

app/src/trait/packet_source.h

@@ -28,7 +28,8 @@ sc_packet_source_add_sink(struct sc_packet_source *source,
 
 bool
 sc_packet_source_sinks_open(struct sc_packet_source *source,
-                            AVCodecContext *ctx);
+                            AVCodecContext *ctx,
+                            const struct sc_stream_session *session);
 
 void
 sc_packet_source_sinks_close(struct sc_packet_source *source);
@@ -37,6 +38,10 @@ 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);
 

app/src/uhid/gamepad_uhid.c

@@ -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_Gamepad * game_controller =
+        SDL_GetGamepadFromID(event->gamepad_id);
+    assert(game_controller);
+    const char *name = SDL_GetGamepadName(game_controller);
     LOGI("Gamepad added: [%" PRIu32 "] %s", event->gamepad_id, name);
 
     sc_gamepad_uhid_send_open(gamepad, &hid_open);

app/src/usb/scrcpy_otg.c

@@ -75,7 +75,7 @@ scrcpy_otg(struct scrcpy_options *options) {
 
     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());
+            LOGE("Could not initialize SDL controller: %s", SDL_GetError());
             // Not fatal, keyboard/mouse should still work
         }
     }

app/src/usb/screen_otg.c

@@ -192,16 +192,16 @@ sc_screen_otg_process_gamepad_device(struct sc_screen_otg *screen,
     struct sc_gamepad_processor *gp = &screen->gamepad->gamepad_processor;
 
     if (event->type == SDL_EVENT_GAMEPAD_ADDED) {
-        SDL_Gamepad *sdl_gamepad = SDL_OpenGamepad(event->which);
-        if (!sdl_gamepad) {
-            LOGW("Could not open gamepad");
+        SDL_Gamepad *gc = SDL_OpenGamepad(event->which);
+        if (!gc) {
+            LOGW("Could not open game controller");
             return;
         }
 
-        SDL_Joystick *joystick = SDL_GetGamepadJoystick(sdl_gamepad);
+        SDL_Joystick *joystick = SDL_GetGamepadJoystick(gc);
         if (!joystick) {
-            LOGW("Could not get gamepad joystick");
-            SDL_CloseGamepad(sdl_gamepad);
+            LOGW("Could not get controller joystick");
+            SDL_CloseGamepad(gc);
             return;
         }
 
@@ -212,9 +212,9 @@ sc_screen_otg_process_gamepad_device(struct sc_screen_otg *screen,
     } else if (event->type == SDL_EVENT_GAMEPAD_REMOVED) {
         SDL_JoystickID id = event->which;
 
-        SDL_Gamepad *sdl_gamepad = SDL_GetGamepadFromID(id);
-        if (sdl_gamepad) {
-            SDL_CloseGamepad(sdl_gamepad);
+        SDL_Gamepad *gc = SDL_GetGamepadFromID(id);
+        if (gc) {
+            SDL_CloseGamepad(gc);
         } else {
             LOGW("Unknown gamepad device removed");
         }
@@ -258,7 +258,7 @@ sc_screen_otg_process_gamepad_button(struct sc_screen_otg *screen,
 
     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,
     };
     gp->ops->process_gamepad_button(gp, &evt);

app/src/util/sdl.c

@@ -130,6 +130,15 @@ sc_sdl_hide_window(SDL_Window *window) {
     }
 }
 
+void
+sc_sdl_restore_window(SDL_Window *window) {
+    bool ok = SDL_RestoreWindow(window);
+    if (!ok) {
+        LOGE("Could not restore window: %s", SDL_GetError());
+        assert(!"unexpected");
+    }
+}
+
 bool
 sc_sdl_render_clear(SDL_Renderer *renderer) {
     bool ok = SDL_RenderClear(renderer);

app/src/util/sdl.h

@@ -16,12 +16,12 @@ sc_sdl_create_window(const char *title, int64_t x, int64_t y, int64_t width,
 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_size
+sc_sdl_get_window_size_in_pixels(SDL_Window *window);
+
 struct sc_point
 sc_sdl_get_window_position(SDL_Window *window);
 
@@ -34,6 +34,9 @@ sc_sdl_show_window(SDL_Window *window);
 void
 sc_sdl_hide_window(SDL_Window *window);
 
+void
+sc_sdl_restore_window(SDL_Window *window);
+
 bool
 sc_sdl_render_clear(SDL_Renderer *renderer);
 

app/src/v4l2_sink.c

@@ -146,9 +146,11 @@ run_v4l2_sink(void *data) {
 }
 
 static bool
-sc_v4l2_sink_open(struct sc_v4l2_sink *vs, const AVCodecContext *ctx) {
+sc_v4l2_sink_open(struct sc_v4l2_sink *vs, const AVCodecContext *ctx,
+                  const struct sc_stream_session *session) {
     assert(ctx->pix_fmt == AV_PIX_FMT_YUV420P);
     (void) ctx;
+    (void) session;
 
     bool ok = sc_frame_buffer_init(&vs->fb);
     if (!ok) {
@@ -326,9 +328,10 @@ 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) {
+sc_v4l2_frame_sink_open(struct sc_frame_sink *sink, const AVCodecContext *ctx,
+                        const struct sc_stream_session *session) {
     struct sc_v4l2_sink *vs = DOWNCAST(sink);
-    return sc_v4l2_sink_open(vs, ctx);
+    return sc_v4l2_sink_open(vs, ctx, session);
 }
 
 static void

app/tests/test_control_msg_serialize.c

@@ -446,6 +446,55 @@ 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;
@@ -470,5 +519,8 @@ int main(int argc, char *argv[]) {
     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;
 }

container/Dockerfile

@@ -1,73 +0,0 @@
-# Build with:
-#     podman build -t scrcpy-builder .
-#
-# Run with:
-#     podman run \
-#       -v PATH_TO_SCRCPY:/home/debian/scrcpy \
-#       --userns=keep-id \
-#       -it scrcpy-builder \
-#       bash
-
-FROM debian:trixie
-
-ENV DEBIAN_FRONTEND=noninteractive
-
-RUN apt-get update \
- && apt-get install -y --no-install-recommends \
-    sudo wget unzip gcc git pkg-config meson ninja-build cmake \
-    libsdl3-dev libavcodec-dev libavdevice-dev libavformat-dev libavutil-dev \
-    libswresample-dev libusb-1.0-0-dev openjdk-21-jdk \
-    mingw-w64 mingw-w64-tools libz-mingw-w64-dev
-
-RUN groupadd -g 1000 debian \
- && useradd -m -u 1000 -g 1000 -s /bin/bash debian
-RUN echo "debian ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
-
-ENV ANDROID_HOME=/opt/android/sdk
-RUN mkdir -p "$ANDROID_HOME" \
- && chown debian:debian "$ANDROID_HOME"
-
-USER debian
-WORKDIR /home/debian
-
-ENV CMDLINETOOLS_URL=https://dl.google.com/android/repository/commandlinetools-linux-13114758_latest.zip
-ENV CMDLINETOOLS_SHA256=7ec965280a073311c339e571cd5de778b9975026cfcbe79f2b1cdcb1e15317ee
-
-RUN wget -q "$CMDLINETOOLS_URL" -O cmdlinetools.zip \
- && echo "$CMDLINETOOLS_SHA256  cmdlinetools.zip" | sha256sum -c
-
-RUN mkdir tmp \
- && unzip -q cmdlinetools.zip -d tmp \
- && mkdir -p "$ANDROID_HOME/cmdline-tools" \
- && mv tmp/cmdline-tools "$ANDROID_HOME/cmdline-tools/latest" \
- && rmdir tmp \
- && rm cmdlinetools.zip
-# To get the licence hash, run manually: "$ANDROID_HOME"/cmdline-tools/latest/bin/sdkmanager --licenses
-# Build-tools 35 is still needed for the current AGP version
-RUN mkdir -p "$ANDROID_HOME/licenses" \
- && echo 24333f8a63b6825ea9c5514f83c2829b004d1fee > "$ANDROID_HOME/licenses/android-sdk-license" \
- && $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager "platform-tools" "platforms;android-36" "build-tools;35.0.0" "build-tools;36.0.0"
-
-# For scrcpy build scripts
-ENV GRADLE_VERSION=8.14.3
-ENV GRADLE_HOME=/opt/gradle-$GRADLE_VERSION
-ENV GRADLE_URL=https://services.gradle.org/distributions/gradle-$GRADLE_VERSION-bin.zip
-ENV GRADLE_SHA256=bd71102213493060956ec229d946beee57158dbd89d0e62b91bca0fa2c5f3531
-ENV GRADLE=gradle
-ENV PATH=$GRADLE_HOME/bin:$PATH
-
-USER root
-RUN wget -q "$GRADLE_URL" -O gradle.zip \
- && echo "$GRADLE_SHA256  gradle.zip" | sha256sum -c
-RUN unzip -q gradle.zip -d /opt \
- && rm gradle.zip
-
-USER debian
-
-# Pre-download gradle dependencies for scrcpy
-RUN mkdir -p /home/debian/fake-scrcpy/app
-COPY fake.gradle /home/debian/fake-scrcpy/build.gradle
-COPY fake_app.gradle /home/debian/fake-scrcpy/app/build.gradle
-RUN echo "include ':app'" > /home/debian/fake-scrcpy/settings.gradle \
- && gradle -p /home/debian/fake-scrcpy dependencies androidDependencies --no-daemon \
- && rm -rf /home/debian/fake-scrcpy

container/fake.gradle

@@ -1,17 +0,0 @@
-// Fake build.gradle to pre-download gradle dependencies
-buildscript {
-    repositories {
-        google()
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:8.13.0'
-    }
-}
-
-allprojects {
-    repositories {
-        google()
-        mavenCentral()
-    }
-}

container/fake_app.gradle

@@ -1,21 +0,0 @@
-// Fake app/build.gradle to pre-download gradle dependencies
-apply plugin: 'com.android.application'
-apply plugin: 'checkstyle'
-
-android {
-    buildToolsVersion = "36.0.0"
-    namespace = "com.genymobile.scrcpy"
-    compileSdk 36
-    defaultConfig {
-        minSdkVersion 21
-        targetSdkVersion 36
-    }
-}
-
-checkstyle {
-    toolVersion = '10.12.5'
-}
-
-dependencies {
-    testImplementation 'junit:junit:4.13.2'
-}

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-v3.3.3`][direct-scrcpy-server]  
+   <sub>SHA-256: `7e70323ba7f259649dd4acce97ac4fefbae8102b2c6d91e2e7be613fd5354be0`</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/v3.3.3/scrcpy-server-v3.3.3
 
 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)
 

doc/develop.md

@@ -409,12 +409,11 @@ 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 the device metata (in practice, the device
+ - `send_device_meta=false`: disable device metadata (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_codec_meta`: disable the codec information (and initial device size for
-   video)
+ - `send_stream_meta`: disable codec and video size metadata
  - `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

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-v3.3.3.tar.gz`][direct-linux-x86_64] (x86_64)  
+   <sub>SHA-256: `9b30e813e8191329ba8025dc80cb0f198fb0a318960a3b5c15395cf675c9c638`</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/v3.3.3/scrcpy-linux-x86_64-v3.3.3.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
 ```

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-v3.3.3.tar.gz`][direct-macos-aarch64] (aarch64)  
+   <sub>SHA-256: `b93299468f19ae89ac70f7c1453914c41f1f2bcd31f6ab530038da885c19581f`</sub>
+
+ - [`scrcpy-macos-x86_64-v3.3.3.tar.gz`][direct-macos-x86_64] (x86_64)  
+   <sub>SHA-256: `c767fc1d41e4ae26e40558656570962f474739924fd22ee023d8754889ee4366`</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/v3.3.3/scrcpy-macos-aarch64-v3.3.3.tar.gz
+[direct-macos-x86_64]: https://github.com/Genymobile/scrcpy/releases/download/v3.3.3/scrcpy-macos-x86_64-v3.3.3.tar.gz
 
 and extract it.
 

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-v3.3.3.zip`][direct-win64] (64-bit)  
+   <sub>SHA-256: `4b458d33d0436688c69875cd267cae6fa8be08aa3c17772edf3a940a3dc4b17e`</sub>
+ - [`scrcpy-win32-v3.3.3.zip`][direct-win32] (32-bit)  
+   <sub>SHA-256: `e3d43e21c0bd6e070381c390c1e4cccd48a1e71ae73a8c217e6e6b8506598c79`</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/v3.3.3/scrcpy-win64-v3.3.3.zip
+[direct-win32]: https://github.com/Genymobile/scrcpy/releases/download/v3.3.3/scrcpy-win32-v3.3.3.zip
 
 and extract it.
 

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/v3.3.3/scrcpy-server-v3.3.3
+PREBUILT_SERVER_SHA256=7e70323ba7f259649dd4acce97ac4fefbae8102b2c6d91e2e7be613fd5354be0
 
 echo "[scrcpy] Downloading prebuilt server..."
 wget "$PREBUILT_SERVER_URL" -O scrcpy-server

meson.build

@@ -1,5 +1,5 @@
 project('scrcpy', 'c',
-        version: '3.3.4',
+        version: '3.3.3',
         meson_version: '>= 0.49',
         default_options: [
             'c_std=c11',

server/build.gradle

@@ -7,8 +7,8 @@ android {
         applicationId = "com.genymobile.scrcpy"
         minSdkVersion 21
         targetSdkVersion 36
-        versionCode 30304
-        versionName "3.3.4"
+        versionCode 30303
+        versionName "3.3.3"
         testInstrumentationRunner = "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {

server/build_without_gradle.sh

@@ -12,7 +12,7 @@
 set -e
 
 SCRCPY_DEBUG=false
-SCRCPY_VERSION_NAME=3.3.4
+SCRCPY_VERSION_NAME=3.3.3
 
 PLATFORM=${ANDROID_PLATFORM:-36}
 BUILD_TOOLS=${ANDROID_BUILD_TOOLS:-36.0.0}

server/src/main/java/com/genymobile/scrcpy/Options.java

@@ -44,8 +44,10 @@ public class Options {
     private Size cameraSize;
     private CameraFacing cameraFacing;
     private CameraAspectRatio cameraAspectRatio;
+    private float cameraZoom = 1;
     private int cameraFps;
     private boolean cameraHighSpeed;
+    private boolean cameraTorch;
     private boolean showTouches;
     private boolean stayAwake;
     private int screenOffTimeout = -1;
@@ -78,7 +80,7 @@ public class Options {
     private boolean sendDeviceMeta = true; // send device name and size
     private boolean sendFrameMeta = true; // send PTS so that the client may record properly
     private boolean sendDummyByte = true; // write a byte on start to detect connection issues
-    private boolean sendCodecMeta = true; // write the codec metadata before the stream
+    private boolean sendStreamMeta = true; // write the stream metadata (codec and session)
 
     public Ln.Level getLogLevel() {
         return logLevel;
@@ -168,6 +170,10 @@ public class Options {
         return cameraAspectRatio;
     }
 
+    public float getCameraZoom() {
+        return cameraZoom;
+    }
+
     public int getCameraFps() {
         return cameraFps;
     }
@@ -176,6 +182,10 @@ public class Options {
         return cameraHighSpeed;
     }
 
+    public boolean getCameraTorch() {
+        return cameraTorch;
+    }
+
     public boolean getShowTouches() {
         return showTouches;
     }
@@ -284,8 +294,8 @@ public class Options {
         return sendDummyByte;
     }
 
-    public boolean getSendCodecMeta() {
-        return sendCodecMeta;
+    public boolean getSendStreamMeta() {
+        return sendStreamMeta;
     }
 
     @SuppressWarnings("MethodLength")
@@ -414,7 +424,6 @@ public class Options {
                     if (!value.isEmpty()) {
                         options.audioEncoder = value;
                     }
-                    break;
                 case "power_off_on_close":
                     options.powerOffScreenOnClose = Boolean.parseBoolean(value);
                     break;
@@ -469,12 +478,20 @@ public class Options {
                         options.cameraAspectRatio = parseCameraAspectRatio(value);
                     }
                     break;
+                case "camera_zoom":
+                    if (!value.isEmpty()) {
+                        options.cameraZoom = Float.parseFloat(value);
+                    }
+                    break;
                 case "camera_fps":
                     options.cameraFps = Integer.parseInt(value);
                     break;
                 case "camera_high_speed":
                     options.cameraHighSpeed = Boolean.parseBoolean(value);
                     break;
+                case "camera_torch":
+                    options.cameraTorch = Boolean.parseBoolean(value);
+                    break;
                 case "new_display":
                     options.newDisplay = parseNewDisplay(value);
                     break;
@@ -501,8 +518,8 @@ public class Options {
                 case "send_dummy_byte":
                     options.sendDummyByte = Boolean.parseBoolean(value);
                     break;
-                case "send_codec_meta":
-                    options.sendCodecMeta = Boolean.parseBoolean(value);
+                case "send_stream_meta":
+                    options.sendStreamMeta = Boolean.parseBoolean(value);
                     break;
                 case "raw_stream":
                     boolean rawStream = Boolean.parseBoolean(value);
@@ -510,7 +527,7 @@ public class Options {
                         options.sendDeviceMeta = false;
                         options.sendFrameMeta = false;
                         options.sendDummyByte = false;
-                        options.sendCodecMeta = false;
+                        options.sendStreamMeta = false;
                     }
                     break;
                 default:

server/src/main/java/com/genymobile/scrcpy/Server.java

@@ -27,7 +27,6 @@ import com.genymobile.scrcpy.video.VideoSource;
 import android.annotation.SuppressLint;
 import android.os.Build;
 import android.os.Looper;
-import android.system.Os;
 
 import java.io.File;
 import java.io.IOException;
@@ -126,7 +125,7 @@ public final class Server {
                     audioCapture = new AudioPlaybackCapture(options.getAudioDup());
                 }
 
-                Streamer audioStreamer = new Streamer(connection.getAudioFd(), audioCodec, options.getSendCodecMeta(), options.getSendFrameMeta());
+                Streamer audioStreamer = new Streamer(connection.getAudioFd(), audioCodec, options.getSendStreamMeta(), options.getSendFrameMeta());
                 AsyncProcessor audioRecorder;
                 if (audioCodec == AudioCodec.RAW) {
                     audioRecorder = new AudioRawRecorder(audioCapture, audioStreamer);
@@ -137,7 +136,7 @@ public final class Server {
             }
 
             if (video) {
-                Streamer videoStreamer = new Streamer(connection.getVideoFd(), options.getVideoCodec(), options.getSendCodecMeta(),
+                Streamer videoStreamer = new Streamer(connection.getVideoFd(), options.getVideoCodec(), options.getSendStreamMeta(),
                         options.getSendFrameMeta());
                 SurfaceCapture surfaceCapture;
                 if (options.getVideoSource() == VideoSource.DISPLAY) {
@@ -234,8 +233,6 @@ public final class Server {
             }
         });
 
-        dropRootPrivileges();
-
         prepareMainLooper();
 
         Options options = Options.parse(args);
@@ -276,17 +273,4 @@ public final class Server {
             // Do not print stack trace, a user-friendly error-message has already been logged
         }
     }
-
-    @SuppressWarnings("deprecation")
-    private static void dropRootPrivileges() {
-        try {
-            if (Os.getuid() == 0) {
-                // Copy-paste does not work with root user
-                // <https://github.com/Genymobile/scrcpy/issues/6224>
-                Os.setuid(2000);
-            }
-        } catch (Exception e) {
-            Ln.w("Cannot set UID", e);
-        }
-    }
 }

server/src/main/java/com/genymobile/scrcpy/control/ControlMessage.java

@@ -25,6 +25,9 @@ public final class ControlMessage {
     public static final int TYPE_OPEN_HARD_KEYBOARD_SETTINGS = 15;
     public static final int TYPE_START_APP = 16;
     public static final int TYPE_RESET_VIDEO = 17;
+    public static final int TYPE_CAMERA_SET_TORCH = 18;
+    public static final int TYPE_CAMERA_ZOOM_IN = 19;
+    public static final int TYPE_CAMERA_ZOOM_OUT = 20;
 
     public static final long SEQUENCE_INVALID = 0;
 
@@ -166,6 +169,13 @@ public final class ControlMessage {
         return msg;
     }
 
+    public static ControlMessage createCameraSetTorch(boolean on) {
+        ControlMessage msg = new ControlMessage();
+        msg.type = TYPE_CAMERA_SET_TORCH;
+        msg.on = on;
+        return msg;
+    }
+
     public int getType() {
         return type;
     }

server/src/main/java/com/genymobile/scrcpy/control/ControlMessageReader.java

@@ -47,6 +47,8 @@ public class ControlMessageReader {
             case ControlMessage.TYPE_ROTATE_DEVICE:
             case ControlMessage.TYPE_OPEN_HARD_KEYBOARD_SETTINGS:
             case ControlMessage.TYPE_RESET_VIDEO:
+            case ControlMessage.TYPE_CAMERA_ZOOM_IN:
+            case ControlMessage.TYPE_CAMERA_ZOOM_OUT:
                 return ControlMessage.createEmpty(type);
             case ControlMessage.TYPE_UHID_CREATE:
                 return parseUhidCreate();
@@ -56,6 +58,8 @@ public class ControlMessageReader {
                 return parseUhidDestroy();
             case ControlMessage.TYPE_START_APP:
                 return parseStartApp();
+            case ControlMessage.TYPE_CAMERA_SET_TORCH:
+                return parseCameraSetTorch();
             default:
                 throw new ControlProtocolException("Unknown event type: " + type);
         }
@@ -166,6 +170,11 @@ public class ControlMessageReader {
         return ControlMessage.createStartApp(name);
     }
 
+    private ControlMessage parseCameraSetTorch() throws IOException {
+        boolean on = dis.readBoolean();
+        return ControlMessage.createCameraSetTorch(on);
+    }
+
     private Position parsePosition() throws IOException {
         int x = dis.readInt();
         int y = dis.readInt();

server/src/main/java/com/genymobile/scrcpy/control/Controller.java

@@ -12,7 +12,9 @@ import com.genymobile.scrcpy.device.Position;
 import com.genymobile.scrcpy.device.Size;
 import com.genymobile.scrcpy.util.Ln;
 import com.genymobile.scrcpy.util.LogUtils;
+import com.genymobile.scrcpy.video.CameraCapture;
 import com.genymobile.scrcpy.video.SurfaceCapture;
+import com.genymobile.scrcpy.video.VideoSource;
 import com.genymobile.scrcpy.video.VirtualDisplayListener;
 import com.genymobile.scrcpy.wrappers.ClipboardManager;
 import com.genymobile.scrcpy.wrappers.InputManager;
@@ -75,6 +77,7 @@ public class Controller implements AsyncProcessor, VirtualDisplayListener {
 
     private UhidManager uhidManager;
 
+    private final boolean camera;
     private final int displayId;
     private final boolean supportsInputEvents;
     private final ControlChannel controlChannel;
@@ -97,13 +100,26 @@ public class Controller implements AsyncProcessor, VirtualDisplayListener {
 
     private boolean keepDisplayPowerOff;
 
-    // Used for resetting video encoding on RESET_VIDEO message
+    // Used for resetting video encoding on RESET_VIDEO message or for sending camera controls
     private SurfaceCapture surfaceCapture;
 
     public Controller(ControlChannel controlChannel, CleanUp cleanUp, Options options) {
-        this.displayId = options.getDisplayId();
+        this.camera = options.getVideoSource() == VideoSource.CAMERA;
         this.controlChannel = controlChannel;
         this.cleanUp = cleanUp;
+
+        if (this.camera) {
+            // Unused for camera
+            this.displayId = Device.DISPLAY_ID_NONE;
+            this.supportsInputEvents = false;
+            this.sender = null;
+            this.clipboardAutosync = false;
+            this.powerOn = false;
+            return;
+        }
+
+        this.displayId = options.getDisplayId();
+
         this.clipboardAutosync = options.getClipboardAutosync();
         this.powerOn = options.getPowerOn();
         initPointers();
@@ -201,7 +217,7 @@ public class Controller implements AsyncProcessor, VirtualDisplayListener {
 
     private void control() throws IOException {
         // on start, power on the device
-        if (powerOn && displayId == 0 && !Device.isScreenOn(displayId)) {
+        if (!camera && powerOn && displayId == 0 && !Device.isScreenOn(displayId)) {
             Device.pressReleaseKeycode(KeyEvent.KEYCODE_POWER, displayId, Device.INJECT_MODE_ASYNC);
 
             // dirty hack
@@ -236,7 +252,9 @@ public class Controller implements AsyncProcessor, VirtualDisplayListener {
             }
         }, "control-recv");
         thread.start();
-        sender.start();
+        if (sender != null) {
+            sender.start();
+        }
     }
 
     @Override
@@ -244,7 +262,9 @@ public class Controller implements AsyncProcessor, VirtualDisplayListener {
         if (thread != null) {
             thread.interrupt();
         }
-        sender.stop();
+        if (sender != null) {
+            sender.stop();
+        }
     }
 
     @Override
@@ -252,90 +272,122 @@ public class Controller implements AsyncProcessor, VirtualDisplayListener {
         if (thread != null) {
             thread.join();
         }
-        sender.join();
+        if (sender != null) {
+            sender.join();
+        }
     }
 
     private boolean handleEvent() throws IOException {
         ControlMessage msg;
         try {
             msg = controlChannel.recv();
+        } catch (ControlProtocolException e) {
+            Ln.e("Control protocol error", e);
+            return false;
         } catch (IOException e) {
             // this is expected on close
             return false;
         }
 
-        switch (msg.getType()) {
-            case ControlMessage.TYPE_INJECT_KEYCODE:
-                if (supportsInputEvents) {
-                    injectKeycode(msg.getAction(), msg.getKeycode(), msg.getRepeat(), msg.getMetaState());
-                }
-                break;
-            case ControlMessage.TYPE_INJECT_TEXT:
-                if (supportsInputEvents) {
-                    injectText(msg.getText());
-                }
-                break;
-            case ControlMessage.TYPE_INJECT_TOUCH_EVENT:
-                if (supportsInputEvents) {
-                    injectTouch(msg.getAction(), msg.getPointerId(), msg.getPosition(), msg.getPressure(), msg.getActionButton(), msg.getButtons());
-                }
-                break;
-            case ControlMessage.TYPE_INJECT_SCROLL_EVENT:
-                if (supportsInputEvents) {
-                    injectScroll(msg.getPosition(), msg.getHScroll(), msg.getVScroll(), msg.getButtons());
-                }
-                break;
-            case ControlMessage.TYPE_BACK_OR_SCREEN_ON:
-                if (supportsInputEvents) {
-                    pressBackOrTurnScreenOn(msg.getAction());
-                }
-                break;
-            case ControlMessage.TYPE_EXPAND_NOTIFICATION_PANEL:
-                Device.expandNotificationPanel();
-                break;
-            case ControlMessage.TYPE_EXPAND_SETTINGS_PANEL:
-                Device.expandSettingsPanel();
-                break;
-            case ControlMessage.TYPE_COLLAPSE_PANELS:
-                Device.collapsePanels();
-                break;
-            case ControlMessage.TYPE_GET_CLIPBOARD:
-                getClipboard(msg.getCopyKey());
-                break;
-            case ControlMessage.TYPE_SET_CLIPBOARD:
-                setClipboard(msg.getText(), msg.getPaste(), msg.getSequence());
-                break;
-            case ControlMessage.TYPE_SET_DISPLAY_POWER:
-                if (supportsInputEvents) {
-                    setDisplayPower(msg.getOn());
-                }
-                break;
-            case ControlMessage.TYPE_ROTATE_DEVICE:
-                Device.rotateDevice(getActionDisplayId());
-                break;
-            case ControlMessage.TYPE_UHID_CREATE:
-                getUhidManager().open(msg.getId(), msg.getVendorId(), msg.getProductId(), msg.getText(), msg.getData());
-                break;
-            case ControlMessage.TYPE_UHID_INPUT:
-                getUhidManager().writeInput(msg.getId(), msg.getData());
-                break;
-            case ControlMessage.TYPE_UHID_DESTROY:
-                getUhidManager().close(msg.getId());
-                break;
-            case ControlMessage.TYPE_OPEN_HARD_KEYBOARD_SETTINGS:
-                openHardKeyboardSettings();
-                break;
-            case ControlMessage.TYPE_START_APP:
-                startAppAsync(msg.getText());
-                break;
+        int type = msg.getType();
+
+        // Events for all sources (display or camera)
+        switch (type) {
             case ControlMessage.TYPE_RESET_VIDEO:
                 resetVideo();
-                break;
+                return true;
             default:
-                // do nothing
+                // fall through
         }
 
-        return true;
+        if (!camera) {
+            switch (type) {
+                case ControlMessage.TYPE_INJECT_KEYCODE:
+                    if (supportsInputEvents) {
+                        injectKeycode(msg.getAction(), msg.getKeycode(), msg.getRepeat(), msg.getMetaState());
+                    }
+                    return true;
+                case ControlMessage.TYPE_INJECT_TEXT:
+                    if (supportsInputEvents) {
+                        injectText(msg.getText());
+                    }
+                    return true;
+                case ControlMessage.TYPE_INJECT_TOUCH_EVENT:
+                    if (supportsInputEvents) {
+                        injectTouch(
+                                msg.getAction(), msg.getPointerId(), msg.getPosition(), msg.getPressure(), msg.getActionButton(), msg.getButtons());
+                    }
+                    return true;
+                case ControlMessage.TYPE_INJECT_SCROLL_EVENT:
+                    if (supportsInputEvents) {
+                        injectScroll(msg.getPosition(), msg.getHScroll(), msg.getVScroll(), msg.getButtons());
+                    }
+                    return true;
+                case ControlMessage.TYPE_BACK_OR_SCREEN_ON:
+                    if (supportsInputEvents) {
+                        pressBackOrTurnScreenOn(msg.getAction());
+                    }
+                    return true;
+                case ControlMessage.TYPE_EXPAND_NOTIFICATION_PANEL:
+                    Device.expandNotificationPanel();
+                    return true;
+                case ControlMessage.TYPE_EXPAND_SETTINGS_PANEL:
+                    Device.expandSettingsPanel();
+                    return true;
+                case ControlMessage.TYPE_COLLAPSE_PANELS:
+                    Device.collapsePanels();
+                    return true;
+                case ControlMessage.TYPE_GET_CLIPBOARD:
+                    getClipboard(msg.getCopyKey());
+                    return true;
+                case ControlMessage.TYPE_SET_CLIPBOARD:
+                    setClipboard(msg.getText(), msg.getPaste(), msg.getSequence());
+                    return true;
+                case ControlMessage.TYPE_SET_DISPLAY_POWER:
+                    if (supportsInputEvents) {
+                        setDisplayPower(msg.getOn());
+                    }
+                    return true;
+                case ControlMessage.TYPE_ROTATE_DEVICE:
+                    Device.rotateDevice(getActionDisplayId());
+                    return true;
+                case ControlMessage.TYPE_UHID_CREATE:
+                    getUhidManager().open(msg.getId(), msg.getVendorId(), msg.getProductId(), msg.getText(), msg.getData());
+                    return true;
+                case ControlMessage.TYPE_UHID_INPUT:
+                    getUhidManager().writeInput(msg.getId(), msg.getData());
+                    return true;
+                case ControlMessage.TYPE_UHID_DESTROY:
+                    getUhidManager().close(msg.getId());
+                    return true;
+                case ControlMessage.TYPE_OPEN_HARD_KEYBOARD_SETTINGS:
+                    openHardKeyboardSettings();
+                    return true;
+                case ControlMessage.TYPE_START_APP:
+                    startAppAsync(msg.getText());
+                    return true;
+                default:
+                    // fall through
+            }
+        } else {
+            assert surfaceCapture instanceof CameraCapture;
+            CameraCapture cameraCapture = (CameraCapture) surfaceCapture;
+            switch (type) {
+                case ControlMessage.TYPE_CAMERA_SET_TORCH:
+                    cameraCapture.setTorchEnabled(msg.getOn());
+                    return true;
+                case ControlMessage.TYPE_CAMERA_ZOOM_IN:
+                    cameraCapture.zoomIn();
+                    return true;
+                case ControlMessage.TYPE_CAMERA_ZOOM_OUT:
+                    cameraCapture.zoomOut();
+                    return true;
+                default:
+                    // fall through
+            }
+        }
+
+        throw new AssertionError("Unexpected message type: " + type);
     }
 
     private boolean injectKeycode(int action, int keycode, int repeat, int metaState) {
@@ -751,7 +803,7 @@ public class Controller implements AsyncProcessor, VirtualDisplayListener {
     private void resetVideo() {
         if (surfaceCapture != null) {
             Ln.i("Video capture reset");
-            surfaceCapture.requestInvalidate();
+            surfaceCapture.invalidate();
         }
     }
 }

server/src/main/java/com/genymobile/scrcpy/device/Streamer.java

@@ -14,12 +14,13 @@ import java.util.Arrays;
 
 public final class Streamer {
 
-    private static final long PACKET_FLAG_CONFIG = 1L << 63;
-    private static final long PACKET_FLAG_KEY_FRAME = 1L << 62;
+    private static final long PACKET_FLAG_SESSION = 1L << 63;
+    private static final long PACKET_FLAG_CONFIG = 1L << 62;
+    private static final long PACKET_FLAG_KEY_FRAME = 1L << 61;
 
     private final FileDescriptor fd;
     private final Codec codec;
-    private final boolean sendCodecMeta;
+    private final boolean sendStreamMeta;
     private final boolean sendFrameMeta;
 
     private final ByteBuffer headerBuffer = ByteBuffer.allocate(12);
@@ -27,7 +28,7 @@ public final class Streamer {
     public Streamer(FileDescriptor fd, Codec codec, boolean sendCodecMeta, boolean sendFrameMeta) {
         this.fd = fd;
         this.codec = codec;
-        this.sendCodecMeta = sendCodecMeta;
+        this.sendStreamMeta = sendCodecMeta;
         this.sendFrameMeta = sendFrameMeta;
     }
 
@@ -36,7 +37,7 @@ public final class Streamer {
     }
 
     public void writeAudioHeader() throws IOException {
-        if (sendCodecMeta) {
+        if (sendStreamMeta) {
             ByteBuffer buffer = ByteBuffer.allocate(4);
             buffer.putInt(codec.getId());
             buffer.flip();
@@ -44,12 +45,10 @@ public final class Streamer {
         }
     }
 
-    public void writeVideoHeader(Size videoSize) throws IOException {
-        if (sendCodecMeta) {
-            ByteBuffer buffer = ByteBuffer.allocate(12);
+    public void writeVideoHeader() throws IOException {
+        if (sendStreamMeta) {
+            ByteBuffer buffer = ByteBuffer.allocate(4);
             buffer.putInt(codec.getId());
-            buffer.putInt(videoSize.getWidth());
-            buffer.putInt(videoSize.getHeight());
             buffer.flip();
             IO.writeFully(fd, buffer);
         }
@@ -89,6 +88,18 @@ public final class Streamer {
         writePacket(codecBuffer, pts, config, keyFrame);
     }
 
+    public void writeSessionMeta(int width, int height) throws IOException {
+        if (sendStreamMeta) {
+            headerBuffer.clear();
+
+            headerBuffer.putInt((int) (PACKET_FLAG_SESSION >> 32)); // Set the first bit to 1
+            headerBuffer.putInt(width);
+            headerBuffer.putInt(height);
+            headerBuffer.flip();
+            IO.writeFully(fd, headerBuffer);
+        }
+    }
+
     private void writeFrameMeta(FileDescriptor fd, int packetSize, long pts, boolean config, boolean keyFrame) throws IOException {
         headerBuffer.clear();
 

server/src/main/java/com/genymobile/scrcpy/util/LogUtils.java

@@ -23,6 +23,7 @@ import android.media.MediaCodecList;
 import android.os.Build;
 import android.util.Range;
 
+import java.text.DecimalFormat;
 import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
@@ -164,7 +165,7 @@ public final class LogUtils {
                         // Capture frame rates for low-FPS mode are the same for every resolution
                         Range<Integer>[] lowFpsRanges = characteristics.get(CameraCharacteristics.CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES);
                         if (lowFpsRanges != null) {
-                            SortedSet<Integer> uniqueLowFps = getUniqueSet(lowFpsRanges);
+                            String uniqueLowFps = getFormattedUniqueSet(lowFpsRanges);
                             builder.append(", fps=").append(uniqueLowFps);
                         }
                     } catch (Exception e) {
@@ -172,6 +173,18 @@ public final class LogUtils {
                         Ln.w("Could not get available frame rates for camera " + id, e);
                     }
 
+                    if (Build.VERSION.SDK_INT >= AndroidVersions.API_30_ANDROID_11) {
+                        try {
+                            Range<Float> zoomRange = characteristics.get(CameraCharacteristics.CONTROL_ZOOM_RATIO_RANGE);
+                            if (zoomRange != null) {
+                                String zoom = getFormattedZoomRange(zoomRange);
+                                builder.append(", zoom-range=").append(zoom);
+                            }
+                        } catch (Exception e) {
+                            Ln.w("Could not get available zoom ranges for camera " + id, e);
+                        }
+                    }
+
                     builder.append(')');
 
                     if (includeSizes) {
@@ -191,7 +204,7 @@ public final class LogUtils {
                             builder.append("\n      High speed capture (--camera-high-speed):");
                             for (android.util.Size size : highSpeedSizes) {
                                 Range<Integer>[] highFpsRanges = configs.getHighSpeedVideoFpsRanges();
-                                SortedSet<Integer> uniqueHighFps = getUniqueSet(highFpsRanges);
+                                String uniqueHighFps = getFormattedUniqueSet(highFpsRanges);
                                 builder.append("\n        - ").append(size.getWidth()).append("x").append(size.getHeight());
                                 builder.append(" (fps=").append(uniqueHighFps).append(')');
                             }
@@ -205,14 +218,31 @@ public final class LogUtils {
         return builder.toString();
     }
 
-    private static SortedSet<Integer> getUniqueSet(Range<Integer>[] ranges) {
+    private static String getFormattedUniqueSet(Range<Integer>[] ranges) {
         SortedSet<Integer> set = new TreeSet<>();
         for (Range<Integer> range : ranges) {
             set.add(range.getUpper());
         }
-        return set;
+
+        StringBuilder builder = new StringBuilder("{");
+        boolean first = true;
+        for (Integer i : set) {
+            if (!first) {
+                builder.append(", ");
+            } else {
+                first = false;
+            }
+            builder.append(i);
+        }
+        builder.append("}");
+
+        return builder.toString();
     }
 
+    private static String getFormattedZoomRange(Range<Float> range) {
+        DecimalFormat format = new DecimalFormat("#.##");
+        return "[" + format.format(range.getLower()) + ", " + format.format(range.getUpper()) + "]";
+    }
 
     public static String buildAppListMessage() {
         List<DeviceApp> apps = Device.listApps();

server/src/main/java/com/genymobile/scrcpy/video/CameraCapture.java

@@ -36,6 +36,7 @@ import android.view.Surface;
 
 import java.io.IOException;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 import java.util.Optional;
 import java.util.concurrent.CompletableFuture;
@@ -53,6 +54,8 @@ public class CameraCapture extends SurfaceCapture {
             0, 1, 0, 1, // column 4
     };
 
+    private static final float ZOOM_FACTOR = 1 + 1 / 16f;
+
     private final String explicitCameraId;
     private final CameraFacing cameraFacing;
     private final Size explicitSize;
@@ -63,10 +66,13 @@ public class CameraCapture extends SurfaceCapture {
     private final Rect crop;
     private final Orientation captureOrientation;
     private final float angle;
+    private final boolean initialTorch;
+    private float zoom;
 
     private String cameraId;
     private Size captureSize;
     private Size videoSize; // after OpenGL transforms
+    private Range<Float> zoomRange;
 
     private AffineMatrix transform;
     private OpenGLRunner glRunner;
@@ -78,6 +84,11 @@ public class CameraCapture extends SurfaceCapture {
 
     private final AtomicBoolean disconnected = new AtomicBoolean();
 
+    // The following fields must be accessed only from the camera thread
+    private boolean started;
+    private CaptureRequest.Builder requestBuilder;
+    private CameraCaptureSession currentSession;
+
     public CameraCapture(Options options) {
         this.explicitCameraId = options.getCameraId();
         this.cameraFacing = options.getCameraFacing();
@@ -90,6 +101,8 @@ public class CameraCapture extends SurfaceCapture {
         this.captureOrientation = options.getCaptureOrientation();
         assert captureOrientation != null;
         this.angle = options.getAngle();
+        this.initialTorch = options.getCameraTorch();
+        this.zoom = options.getCameraZoom();
     }
 
     @Override
@@ -250,6 +263,7 @@ public class CameraCapture extends SurfaceCapture {
         return ratio.getAspectRatio();
     }
 
+    @TargetApi(AndroidVersions.API_28_ANDROID_9)
     @Override
     public void start(Surface surface) throws IOException {
         if (transform != null) {
@@ -261,11 +275,67 @@ public class CameraCapture extends SurfaceCapture {
             surface = glRunner.start(captureSize, videoSize, surface);
         }
 
+        cameraHandler.post(() -> {
+            assertCameraThread();
+            started = true;
+        });
+
+        Surface captureSurface = surface;
+        OutputConfiguration outputConfig = new OutputConfiguration(captureSurface);
+        List<OutputConfiguration> outputs = Collections.singletonList(outputConfig);
+        int sessionType = highSpeed ? SessionConfiguration.SESSION_HIGH_SPEED : SessionConfiguration.SESSION_REGULAR;
+        SessionConfiguration sessionConfig = new SessionConfiguration(sessionType, outputs, cameraExecutor, new CameraCaptureSession.StateCallback() {
+            @Override
+            public void onConfigured(CameraCaptureSession session) {
+                assertCameraThread();
+                if (!started) {
+                    // Stopped on the encoder thread between the call to start() and this callback
+                    return;
+                }
+
+                CameraManager cameraManager = ServiceManager.getCameraManager();
+                try {
+                    CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(cameraId);
+                    zoomRange = characteristics.get(CameraCharacteristics.CONTROL_ZOOM_RATIO_RANGE);
+                } catch (CameraAccessException e) {
+                    Ln.w("Could not get camera characteristics");
+                }
+
+                try {
+                    requestBuilder = cameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_RECORD);
+                    requestBuilder.addTarget(captureSurface);
+
+                    if (fps > 0) {
+                        requestBuilder.set(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE, new Range<>(fps, fps));
+                    }
+                    if (initialTorch) {
+                        requestBuilder.set(CaptureRequest.FLASH_MODE, CaptureRequest.FLASH_MODE_TORCH);
+                    }
+                    if (zoom != 1) {
+                        zoom = clampZoom(zoom);
+                        Ln.i("Set camera zoom: " + zoom);
+                        requestBuilder.set(CaptureRequest.CONTROL_ZOOM_RATIO, zoom);
+                    }
+
+                    CaptureRequest request = requestBuilder.build();
+                    setRepeatingRequest(session, request);
+                    currentSession = session;
+                } catch (CameraAccessException e) {
+                    Ln.e("Camera error", e);
+                    invalidate();
+                }
+            }
+
+            @Override
+            public void onConfigureFailed(CameraCaptureSession session) {
+                Ln.e("Camera configuration error");
+                invalidate();
+            }
+        });
+
         try {
-            CameraCaptureSession session = createCaptureSession(cameraDevice, surface);
-            CaptureRequest request = createCaptureRequest(surface);
-            setRepeatingRequest(session, request);
-        } catch (CameraAccessException | InterruptedException e) {
+            cameraDevice.createCaptureSession(sessionConfig);
+        } catch (CameraAccessException e) {
             stop();
             throw new IOException(e);
         }
@@ -273,6 +343,13 @@ public class CameraCapture extends SurfaceCapture {
 
     @Override
     public void stop() {
+        cameraHandler.post(() -> {
+            assertCameraThread();
+            currentSession = null;
+            requestBuilder = null;
+            started = false;
+        });
+
         if (glRunner != null) {
             glRunner.stopAndRelease();
             glRunner = null;
@@ -353,46 +430,7 @@ public class CameraCapture extends SurfaceCapture {
     }
 
     @TargetApi(AndroidVersions.API_31_ANDROID_12)
-    private CameraCaptureSession createCaptureSession(CameraDevice camera, Surface surface) throws CameraAccessException, InterruptedException {
-        CompletableFuture<CameraCaptureSession> future = new CompletableFuture<>();
-        OutputConfiguration outputConfig = new OutputConfiguration(surface);
-        List<OutputConfiguration> outputs = Arrays.asList(outputConfig);
-
-        int sessionType = highSpeed ? SessionConfiguration.SESSION_HIGH_SPEED : SessionConfiguration.SESSION_REGULAR;
-        SessionConfiguration sessionConfig = new SessionConfiguration(sessionType, outputs, cameraExecutor, new CameraCaptureSession.StateCallback() {
-            @Override
-            public void onConfigured(CameraCaptureSession session) {
-                future.complete(session);
-            }
-
-            @Override
-            public void onConfigureFailed(CameraCaptureSession session) {
-                future.completeExceptionally(new CameraAccessException(CameraAccessException.CAMERA_ERROR));
-            }
-        });
-
-        camera.createCaptureSession(sessionConfig);
-
-        try {
-            return future.get();
-        } catch (ExecutionException e) {
-            throw (CameraAccessException) e.getCause();
-        }
-    }
-
-    private CaptureRequest createCaptureRequest(Surface surface) throws CameraAccessException {
-        CaptureRequest.Builder requestBuilder = cameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_RECORD);
-        requestBuilder.addTarget(surface);
-
-        if (fps > 0) {
-            requestBuilder.set(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE, new Range<>(fps, fps));
-        }
-
-        return requestBuilder.build();
-    }
-
-    @TargetApi(AndroidVersions.API_31_ANDROID_12)
-    private void setRepeatingRequest(CameraCaptureSession session, CaptureRequest request) throws CameraAccessException, InterruptedException {
+    private void setRepeatingRequest(CameraCaptureSession session, CaptureRequest request) throws CameraAccessException {
         CameraCaptureSession.CaptureCallback callback = new CameraCaptureSession.CaptureCallback() {
             @Override
             public void onCaptureStarted(CameraCaptureSession session, CaptureRequest request, long timestamp, long frameNumber) {
@@ -419,8 +457,61 @@ public class CameraCapture extends SurfaceCapture {
         return disconnected.get();
     }
 
-    @Override
-    public void requestInvalidate() {
-        // do nothing (the user could not request a reset anyway for now, since there is no controller for camera mirroring)
+    public void setTorchEnabled(boolean enabled) {
+        cameraHandler.post(() -> {
+            assertCameraThread();
+            if (currentSession != null && requestBuilder != null) {
+                try {
+                    requestBuilder.set(CaptureRequest.FLASH_MODE, enabled ? CaptureRequest.FLASH_MODE_TORCH : CaptureRequest.FLASH_MODE_OFF);
+                    CaptureRequest request = requestBuilder.build();
+                    setRepeatingRequest(currentSession, request);
+                } catch (CameraAccessException e) {
+                    Ln.e("Camera error", e);
+                }
+            }
+        });
+    }
+
+    private void zoom(boolean in) {
+        cameraHandler.post(() -> {
+            assertCameraThread();
+            if (currentSession != null && requestBuilder != null) {
+                // Always align to log values
+                double z = Math.round(Math.log(zoom) / Math.log(ZOOM_FACTOR));
+                double dir = in ? 1 : -1;
+                zoom = (float) Math.pow(ZOOM_FACTOR, z + dir);
+
+                try {
+                    zoom = clampZoom(zoom);
+                    Ln.i("Set camera zoom: " + zoom);
+                    requestBuilder.set(CaptureRequest.CONTROL_ZOOM_RATIO, zoom);
+                    CaptureRequest request = requestBuilder.build();
+                    setRepeatingRequest(currentSession, request);
+                } catch (CameraAccessException e) {
+                    Ln.e("Camera error", e);
+                }
+            }
+        });
+    }
+
+    public void zoomIn() {
+        zoom(true);
+    }
+
+    public void zoomOut() {
+        zoom(false);
+    }
+
+    private float clampZoom(float value) {
+        assertCameraThread();
+        if (zoomRange == null) {
+            return value;
+        }
+
+        return zoomRange.clamp(value);
+    }
+
+    private void assertCameraThread() {
+        assert Thread.currentThread() == cameraThread;
     }
 }

server/src/main/java/com/genymobile/scrcpy/video/NewDisplayCapture.java

@@ -261,9 +261,4 @@ public class NewDisplayCapture extends SurfaceCapture {
         int num = size.getMax();
         return initialDpi * num / den;
     }
-
-    @Override
-    public void requestInvalidate() {
-        invalidate();
-    }
 }

server/src/main/java/com/genymobile/scrcpy/video/ScreenCapture.java

@@ -211,9 +211,4 @@ public class ScreenCapture extends SurfaceCapture {
             SurfaceControl.closeTransaction();
         }
     }
-
-    @Override
-    public void requestInvalidate() {
-        invalidate();
-    }
 }

server/src/main/java/com/genymobile/scrcpy/video/SurfaceCapture.java

@@ -19,9 +19,9 @@ public abstract class SurfaceCapture {
     private CaptureListener listener;
 
     /**
-     * Notify the listener that the capture has been invalidated (for example, because its size changed).
+     * Notify the listener that the capture has been invalidated (for example, because its size changed, or due to a manual user request).
      */
-    protected void invalidate() {
+    public void invalidate() {
         listener.onInvalidated();
     }
 
@@ -86,11 +86,4 @@ public abstract class SurfaceCapture {
     public boolean isClosed() {
         return false;
     }
-
-    /**
-     * Manually request to invalidate (typically a user request).
-     * <p>
-     * The capture implementation is free to ignore the request and do nothing.
-     */
-    public abstract void requestInvalidate();
 }

server/src/main/java/com/genymobile/scrcpy/video/SurfaceEncoder.java

@@ -71,16 +71,13 @@ public class SurfaceEncoder implements AsyncProcessor {
 
         try {
             boolean alive;
-            boolean headerWritten = false;
+
+            streamer.writeVideoHeader();
 
             do {
                 reset.consumeReset(); // If a capture reset was requested, it is implicitly fulfilled
                 capture.prepare();
                 Size size = capture.getSize();
-                if (!headerWritten) {
-                    streamer.writeVideoHeader(size);
-                    headerWritten = true;
-                }
 
                 format.setInteger(MediaFormat.KEY_WIDTH, size.getWidth());
                 format.setInteger(MediaFormat.KEY_HEIGHT, size.getHeight());
@@ -107,6 +104,7 @@ public class SurfaceEncoder implements AsyncProcessor {
                         boolean resetRequested = reset.consumeReset();
                         if (!resetRequested) {
                             // If a reset is requested during encode(), it will interrupt the encoding by an EOS
+                            streamer.writeSessionMeta(size.getWidth(), size.getHeight());
                             encode(mediaCodec, streamer);
                         }
                         // The capture might have been closed internally (for example if the camera is disconnected)

server/src/test/java/com/genymobile/scrcpy/control/ControlMessageReaderTest.java

@@ -422,6 +422,56 @@ public class ControlMessageReaderTest {
         Assert.assertEquals(-1, bis.read()); // EOS
     }
 
+    @Test
+    public void testParseCameraSetTorch() throws IOException {
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        DataOutputStream dos = new DataOutputStream(bos);
+        dos.writeByte(ControlMessage.TYPE_CAMERA_SET_TORCH);
+        dos.writeBoolean(true);
+        byte[] packet = bos.toByteArray();
+
+        ByteArrayInputStream bis = new ByteArrayInputStream(packet);
+        ControlMessageReader reader = new ControlMessageReader(bis);
+
+        ControlMessage event = reader.read();
+        Assert.assertEquals(ControlMessage.TYPE_CAMERA_SET_TORCH, event.getType());
+        Assert.assertTrue(event.getOn());
+
+        Assert.assertEquals(-1, bis.read()); // EOS
+    }
+
+    @Test
+    public void testParseCameraZoomIn() throws IOException {
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        DataOutputStream dos = new DataOutputStream(bos);
+        dos.writeByte(ControlMessage.TYPE_CAMERA_ZOOM_IN);
+        byte[] packet = bos.toByteArray();
+
+        ByteArrayInputStream bis = new ByteArrayInputStream(packet);
+        ControlMessageReader reader = new ControlMessageReader(bis);
+
+        ControlMessage event = reader.read();
+        Assert.assertEquals(ControlMessage.TYPE_CAMERA_ZOOM_IN, event.getType());
+
+        Assert.assertEquals(-1, bis.read()); // EOS
+    }
+
+    @Test
+    public void testParseCameraZoomIn() throws IOException {
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        DataOutputStream dos = new DataOutputStream(bos);
+        dos.writeByte(ControlMessage.TYPE_CAMERA_ZOOM_OUT);
+        byte[] packet = bos.toByteArray();
+
+        ByteArrayInputStream bis = new ByteArrayInputStream(packet);
+        ControlMessageReader reader = new ControlMessageReader(bis);
+
+        ControlMessage event = reader.read();
+        Assert.assertEquals(ControlMessage.TYPE_CAMERA_ZOOM_OUT, event.getType());
+
+        Assert.assertEquals(-1, bis.read()); // EOS
+    }
+
     @Test
     public void testMultiEvents() throws IOException {
         ByteArrayOutputStream bos = new ByteArrayOutputStream();