Add horizontal scrolling support for HID mouse

PR #6172 <https://github.com/Genymobile/scrcpy/pull/6172>

FAQ.md

@@ -166,14 +166,13 @@ Rebooting the device is necessary once this option is set.
 
 ### Special characters do not work
 
-The default text injection method is [limited to ASCII characters][text-input].
-A trick allows to also inject some [accented characters][accented-characters],
+The default text injection method is limited to ASCII characters. A trick allows
+to also inject some [accented characters][accented-characters],
 but that's all. See [#37].
 
 To avoid the problem, [change the keyboard mode to simulate a physical
 keyboard][hid].
 
-[text-input]: https://github.com/Genymobile/scrcpy/issues?q=is%3Aopen+is%3Aissue+label%3Aunicode
 [accented-characters]: https://blog.rom1v.com/2018/03/introducing-scrcpy/#handle-accented-characters
 [#37]: https://github.com/Genymobile/scrcpy/issues/37
 [hid]: doc/keyboard.md#physical-keyboard-simulation

README.md

@@ -2,7 +2,7 @@
 source for the project. Do not download releases from random websites, even if
 their name contains `scrcpy`.**
 
-# scrcpy (v3.2)
+# scrcpy (v3.3)
 
 <img src="app/data/icon.svg" width="128" height="128" alt="scrcpy" align="right" />
 
@@ -207,7 +207,7 @@ work][donate]:
 
 [donate]: https://blog.rom1v.com/about/#support-my-open-source-work
 
-## Licence
+## License
 
     Copyright (C) 2018 Genymobile
     Copyright (C) 2018-2025 Romain Vimont

app/deps/adb_linux.sh

@@ -4,10 +4,10 @@ DEPS_DIR=$(dirname ${BASH_SOURCE[0]})
 cd "$DEPS_DIR"
 . common
 
-VERSION=35.0.2
+VERSION=36.0.0
 FILENAME=platform-tools_r$VERSION-linux.zip
 PROJECT_DIR=platform-tools-$VERSION-linux
-SHA256SUM=acfdcccb123a8718c46c46c059b2f621140194e5ec1ac9d81715be3d6ab6cd0a
+SHA256SUM=0ead642c943ffe79701fccca8f5f1c69c4ce4f43df2eefee553f6ccb27cbfbe8
 
 cd "$SOURCES_DIR"
 

app/deps/adb_macos.sh

@@ -4,10 +4,10 @@ DEPS_DIR=$(dirname ${BASH_SOURCE[0]})
 cd "$DEPS_DIR"
 . common
 
-VERSION=35.0.2
+VERSION=36.0.0
 FILENAME=platform-tools_r$VERSION-darwin.zip
 PROJECT_DIR=platform-tools-$VERSION-darwin
-SHA256SUM=1820078db90bf21628d257ff052528af1c61bb48f754b3555648f5652fa35d78
+SHA256SUM=b241878e6ec20650b041bf715ea05f7d5dc73bd24529464bd9cf68946e3132bd
 
 cd "$SOURCES_DIR"
 

app/deps/adb_windows.sh

@@ -4,10 +4,10 @@ DEPS_DIR=$(dirname ${BASH_SOURCE[0]})
 cd "$DEPS_DIR"
 . common
 
-VERSION=35.0.2
+VERSION=36.0.0
 FILENAME=platform-tools_r$VERSION-win.zip
 PROJECT_DIR=platform-tools-$VERSION-windows
-SHA256SUM=2975a3eac0b19182748d64195375ad056986561d994fffbdc64332a516300bb9
+SHA256SUM=24bd8bebbbb58b9870db202b5c6775c4a49992632021c60750d9d8ec8179d5f0
 
 cd "$SOURCES_DIR"
 

app/deps/libusb.sh

@@ -5,10 +5,10 @@ cd "$DEPS_DIR"
 . common
 process_args "$@"
 
-VERSION=1.0.28
+VERSION=1.0.29
 FILENAME=libusb-$VERSION.tar.gz
 PROJECT_DIR=libusb-$VERSION
-SHA256SUM=378b3709a405065f8f9fb9f35e82d666defde4d342c2a1b181a9ac134d23c6fe
+SHA256SUM=7c2dd39c0b2589236e48c93247c986ae272e27570942b4163cb00a060fcf1b74
 
 cd "$SOURCES_DIR"
 

app/deps/patches/SDL-pipewire-Ensure-that-the-correct-struct-is-used-for-.patch

@@ -1,33 +0,0 @@
-From 6be87ceb33a9aad3bf5204bb13b3a5e8b498fd26 Mon Sep 17 00:00:00 2001
-From: Neal Gompa <neal@gompa.dev>
-Date: Mon, 10 Feb 2025 05:00:56 -0500
-Subject: [PATCH] pipewire: Ensure that the correct struct is used for
- enumeration APIs
-
-PipeWire now requires the correct struct type is used, otherwise
-it will fail to compile.
-
-Reference: https://gitlab.freedesktop.org/pipewire/pipewire/-/commit/188d920733f0791413d3386e5536ee7377f71b2f
-
-Fixes: https://github.com/libsdl-org/SDL/issues/12224
-(cherry picked from commit d35bef64e913dd7d5dd3153a4b61f10ef837dad6)
----
- src/audio/pipewire/SDL_pipewire.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/src/audio/pipewire/SDL_pipewire.c b/src/audio/pipewire/SDL_pipewire.c
-index 889e05decb..5d1bfc28de 100644
---- a/src/audio/pipewire/SDL_pipewire.c
-+++ b/src/audio/pipewire/SDL_pipewire.c
-@@ -590,7 +590,7 @@ static void node_event_info(void *object, const struct pw_node_info *info)
- 
-         /* Need to parse the parameters to get the sample rate */
-         for (i = 0; i < info->n_params; ++i) {
--            pw_node_enum_params(node->proxy, 0, info->params[i].id, 0, 0, NULL);
-+            pw_node_enum_params((struct pw_node*)node->proxy, 0, info->params[i].id, 0, 0, NULL);
-         }
- 
-         hotplug_core_sync(node);
--- 
-2.49.0
-

app/deps/sdl.sh

@@ -5,10 +5,10 @@ cd "$DEPS_DIR"
 . common
 process_args "$@"
 
-VERSION=2.32.2
+VERSION=2.32.8
 FILENAME=SDL-$VERSION.tar.gz
 PROJECT_DIR=SDL-release-$VERSION
-SHA256SUM=f2c7297ae7b3d3910a8b131e1e2a558fdd6d1a4443d5e345374d45cadfcb05a4
+SHA256SUM=dd35e05644ae527848d02433bec24dd0ea65db59faecf1a0e5d1880c533dac2c
 
 cd "$SOURCES_DIR"
 
@@ -18,7 +18,6 @@ then
 else
     get_file "https://github.com/libsdl-org/SDL/archive/refs/tags/release-$VERSION.tar.gz" "$FILENAME" "$SHA256SUM"
     tar xf "$FILENAME"  # First level directory is "$PROJECT_DIR"
-    patch -d "$PROJECT_DIR" -p1 < "$PATCHES_DIR"/SDL-pipewire-Ensure-that-the-correct-struct-is-used-for-.patch
 fi
 
 mkdir -p "$BUILD_DIR/$PROJECT_DIR"

app/scrcpy-windows.rc

@@ -13,7 +13,7 @@ BEGIN
       VALUE "LegalCopyright", "Romain Vimont, Genymobile"
       VALUE "OriginalFilename", "scrcpy.exe"
       VALUE "ProductName", "scrcpy"
-      VALUE "ProductVersion", "3.2"
+      VALUE "ProductVersion", "3.3"
     END
   END
   BLOCK "VarFileInfo"

app/src/adb/adb.c

@@ -110,7 +110,7 @@ show_adb_installation_msg(void) {
     } pkg_managers[] = {
         {"apt", "apt install adb"},
         {"apt-get", "apt-get install adb"},
-        {"brew", "brew cask install android-platform-tools"},
+        {"brew", "brew install --cask android-platform-tools"},
         {"dnf", "dnf install android-tools"},
         {"emerge", "emerge dev-util/android-tools"},
         {"pacman", "pacman -S android-tools"},

app/src/control_msg.c

@@ -127,10 +127,14 @@ sc_control_msg_serialize(const struct sc_control_msg *msg, uint8_t *buf) {
             return 32;
         case SC_CONTROL_MSG_TYPE_INJECT_SCROLL_EVENT:
             write_position(&buf[1], &msg->inject_scroll_event.position);
-            int16_t hscroll =
-                sc_float_to_i16fp(msg->inject_scroll_event.hscroll);
-            int16_t vscroll =
-                sc_float_to_i16fp(msg->inject_scroll_event.vscroll);
+            // Accept values in the range [-16, 16].
+            // Normalize to [-1, 1] in order to use sc_float_to_i16fp().
+            float hscroll_norm = msg->inject_scroll_event.hscroll / 16;
+            hscroll_norm = CLAMP(hscroll_norm, -1, 1);
+            float vscroll_norm = msg->inject_scroll_event.vscroll / 16;
+            vscroll_norm = CLAMP(vscroll_norm, -1, 1);
+            int16_t hscroll = sc_float_to_i16fp(hscroll_norm);
+            int16_t vscroll = sc_float_to_i16fp(vscroll_norm);
             sc_write16be(&buf[13], (uint16_t) hscroll);
             sc_write16be(&buf[15], (uint16_t) vscroll);
             sc_write32be(&buf[17], msg->inject_scroll_event.buttons);

app/src/hid/hid_mouse.c

@@ -3,8 +3,8 @@
 #include <stdint.h>
 
 // 1 byte for buttons + padding, 1 byte for X position, 1 byte for Y position,
-// 1 byte for wheel motion
-#define SC_HID_MOUSE_INPUT_SIZE 4
+// 1 byte for wheel motion, 1 byte for hozizontal scrolling
+#define SC_HID_MOUSE_INPUT_SIZE 5
 
 /**
  * Mouse descriptor from the specification:
@@ -75,6 +75,21 @@ static const uint8_t SC_HID_MOUSE_REPORT_DESC[] = {
     // Input (Data, Variable, Relative): 3 position bytes (X, Y, Wheel)
     0x81, 0x06,
 
+    // Usage Page (Consumer Page)
+    0x05, 0x0C,
+    // Usage(AC Pan)
+    0x0A, 0x38, 0x02,
+    // Logical Minimum (-127)
+    0x15, 0x81,
+    // Logical Maximum (127)
+    0x25, 0x7F,
+    // Report Size (8)
+    0x75, 0x08,
+    // Report Count (1)
+    0x95, 0x01,
+    // Input (Data, Variable, Relative): 1 byte (AC Pan)
+    0x81, 0x06,
+
     // End Collection
     0xC0,
 
@@ -160,7 +175,8 @@ sc_hid_mouse_generate_input_from_motion(struct sc_hid_input *hid_input,
     data[0] = sc_hid_buttons_from_buttons_state(event->buttons_state);
     data[1] = CLAMP(event->xrel, -127, 127);
     data[2] = CLAMP(event->yrel, -127, 127);
-    data[3] = 0; // wheel coordinates only used for scrolling
+    data[3] = 0; // no vertical scrolling
+    data[4] = 0; // no horizontal scrolling
 }
 
 void
@@ -172,22 +188,27 @@ sc_hid_mouse_generate_input_from_click(struct sc_hid_input *hid_input,
     data[0] = sc_hid_buttons_from_buttons_state(event->buttons_state);
     data[1] = 0; // no x motion
     data[2] = 0; // no y motion
-    data[3] = 0; // wheel coordinates only used for scrolling
+    data[3] = 0; // no vertical scrolling
+    data[4] = 0; // no horizontal scrolling
 }
 
-void
+bool
 sc_hid_mouse_generate_input_from_scroll(struct sc_hid_input *hid_input,
                                     const struct sc_mouse_scroll_event *event) {
+    if (!event->vscroll_int && !event->hscroll_int) {
+        // Need a full integral value for HID
+        return false;
+    }
+
     sc_hid_mouse_input_init(hid_input);
 
     uint8_t *data = hid_input->data;
     data[0] = 0; // buttons state irrelevant (and unknown)
     data[1] = 0; // no x motion
     data[2] = 0; // no y motion
-    // In practice, vscroll is always -1, 0 or 1, but in theory other values
-    // are possible
-    data[3] = CLAMP(event->vscroll, -127, 127);
-    // Horizontal scrolling ignored
+    data[3] = CLAMP(event->vscroll_int, -127, 127);
+    data[4] = CLAMP(event->hscroll_int, -127, 127);
+    return true;
 }
 
 void sc_hid_mouse_generate_open(struct sc_hid_open *hid_open) {

app/src/hid/hid_mouse.h

@@ -22,7 +22,7 @@ void
 sc_hid_mouse_generate_input_from_click(struct sc_hid_input *hid_input,
                                     const struct sc_mouse_click_event *event);
 
-void
+bool
 sc_hid_mouse_generate_input_from_scroll(struct sc_hid_input *hid_input,
                                     const struct sc_mouse_scroll_event *event);
 

app/src/input_events.h

@@ -393,6 +393,8 @@ struct sc_mouse_scroll_event {
     struct sc_position position;
     float hscroll;
     float vscroll;
+    int32_t hscroll_int;
+    int32_t vscroll_int;
     uint8_t buttons_state; // bitwise-OR of sc_mouse_button values
 };
 

app/src/input_manager.c

@@ -897,12 +897,14 @@ sc_input_manager_process_mouse_wheel(struct sc_input_manager *im,
     struct sc_mouse_scroll_event evt = {
         .position = sc_input_manager_get_position(im, mouse_x, mouse_y),
 #if SDL_VERSION_ATLEAST(2, 0, 18)
-        .hscroll = CLAMP(event->preciseX, -1.0f, 1.0f),
-        .vscroll = CLAMP(event->preciseY, -1.0f, 1.0f),
+        .hscroll = event->preciseX,
+        .vscroll = event->preciseY,
 #else
-        .hscroll = CLAMP(event->x, -1, 1),
-        .vscroll = CLAMP(event->y, -1, 1),
+        .hscroll = event->x,
+        .vscroll = event->y,
 #endif
+        .hscroll_int = event->x,
+        .vscroll_int = event->y,
         .buttons_state = im->mouse_buttons_state,
     };
 

app/src/uhid/mouse_uhid.c

@@ -55,7 +55,9 @@ sc_mouse_processor_process_mouse_scroll(struct sc_mouse_processor *mp,
     struct sc_mouse_uhid *mouse = DOWNCAST(mp);
 
     struct sc_hid_input hid_input;
-    sc_hid_mouse_generate_input_from_scroll(&hid_input, event);
+    if (!sc_hid_mouse_generate_input_from_scroll(&hid_input, event)) {
+        return;
+    }
 
     sc_mouse_uhid_send_input(mouse, &hid_input, "mouse scroll");
 }

app/src/usb/mouse_aoa.c

@@ -42,7 +42,9 @@ sc_mouse_processor_process_mouse_scroll(struct sc_mouse_processor *mp,
     struct sc_mouse_aoa *mouse = DOWNCAST(mp);
 
     struct sc_hid_input hid_input;
-    sc_hid_mouse_generate_input_from_scroll(&hid_input, event);
+    if (!sc_hid_mouse_generate_input_from_scroll(&hid_input, event)) {
+        return;
+    }
 
     if (!sc_aoa_push_input(mouse->aoa, &hid_input)) {
         LOGW("Could not push AOA HID input (mouse scroll)");

app/src/usb/screen_otg.c

@@ -164,8 +164,15 @@ sc_screen_otg_process_mouse_wheel(struct sc_screen_otg *screen,
 
     struct sc_mouse_scroll_event evt = {
         // .position not used for HID events
+#if SDL_VERSION_ATLEAST(2, 0, 18)
+        .hscroll = event->preciseX,
+        .vscroll = event->preciseY,
+#else
         .hscroll = event->x,
         .vscroll = event->y,
+#endif
+        .hscroll_int = event->x,
+        .vscroll_int = event->y,
         .buttons_state = sc_mouse_buttons_state_from_sdl(sdl_buttons_state),
     };
 

doc/build.md

@@ -233,10 +233,10 @@ install` must be run as root)._
 
 #### Option 2: Use prebuilt server
 
- - [`scrcpy-server-v3.2`][direct-scrcpy-server]  
-   <sub>SHA-256: `b920e0ea01936bf2482f4ba2fa985c22c13c621999e3d33b45baa5acfc1ea3d0`</sub>
+ - [`scrcpy-server-v3.3`][direct-scrcpy-server]  
+   <sub>SHA-256: `351cb2edc7e4c2c75f09a7933fdabcf137be52e2602df154f24ec02db46e9e51`</sub>
 
-[direct-scrcpy-server]: https://github.com/Genymobile/scrcpy/releases/download/v3.2/scrcpy-server-v3.2
+[direct-scrcpy-server]: https://github.com/Genymobile/scrcpy/releases/download/v3.3/scrcpy-server-v3.3
 
 Download the prebuilt server somewhere, and specify its path during the Meson
 configuration:

doc/linux.md

@@ -6,11 +6,11 @@
 
 Download a static build of the [latest release]:
 
- - [`scrcpy-linux-x86_64-v3.2.tar.gz`][direct-linux-x86_64] (x86_64)  
-   <sub>SHA-256: `df6cf000447428fcde322022848d655ff0211d98688d0f17cbbf21be9c1272be`</sub>
+ - [`scrcpy-linux-x86_64-v3.3.tar.gz`][direct-linux-x86_64] (x86_64)  
+   <sub>SHA-256: `a0abf37003c3c47a53c1b2a12420296a2b0ee323cf3610fd6fbf9d9bab9d99f3`</sub>
 
 [latest release]: https://github.com/Genymobile/scrcpy/releases/latest
-[direct-linux-x86_64]: https://github.com/Genymobile/scrcpy/releases/download/v3.2/scrcpy-linux-x86_64-v3.2.tar.gz
+[direct-linux-x86_64]: https://github.com/Genymobile/scrcpy/releases/download/v3.3/scrcpy-linux-x86_64-v3.3.tar.gz
 
 and extract it.
 

doc/macos.md

@@ -6,15 +6,15 @@
 
 Download a static build of the [latest release]:
 
- - [`scrcpy-macos-aarch64-v3.2.tar.gz`][direct-macos-aarch64] (aarch64)  
-   <sub>SHA-256: `f6d1f3c5f74d4d46f5080baa5b56b69f5edbf698d47e0cf4e2a1fd5058f9507b`</sub>
+ - [`scrcpy-macos-aarch64-v3.3.tar.gz`][direct-macos-aarch64] (aarch64)  
+   <sub>SHA-256: `7a4cdaeb8ba74593edda278c000ddedc8d70a51263a80b16a6345475d42ac21e`</sub>
 
- - [`scrcpy-macos-x86_64-v3.2.tar.gz`][direct-macos-x86_64] (x86_64)  
-   <sub>SHA-256: `e337d5cf0ba4e1281699c338ce5f104aee96eb7b2893dc851399b6643eb4044e`</sub>
+ - [`scrcpy-macos-x86_64-v3.3.tar.gz`][direct-macos-x86_64] (x86_64)  
+   <sub>SHA-256: `bb3c13aac166b92539371883a8781aa861a7cd18e3e6077e570ab7a1f562f774`</sub>
 
 [latest release]: https://github.com/Genymobile/scrcpy/releases/latest
-[direct-macos-aarch64]: https://github.com/Genymobile/scrcpy/releases/download/v3.2/scrcpy-macos-aarch64-v3.2.tar.gz
-[direct-macos-x86_64]: https://github.com/Genymobile/scrcpy/releases/download/v3.2/scrcpy-macos-x86_64-v3.2.tar.gz
+[direct-macos-aarch64]: https://github.com/Genymobile/scrcpy/releases/download/v3.3/scrcpy-macos-aarch64-v3.3.tar.gz
+[direct-macos-x86_64]: https://github.com/Genymobile/scrcpy/releases/download/v3.3/scrcpy-macos-x86_64-v3.3.tar.gz
 
 and extract it.
 

doc/windows.md

@@ -6,14 +6,14 @@
 
 Download the [latest release]:
 
- - [`scrcpy-win64-v3.2.zip`][direct-win64] (64-bit)  
-   <sub>SHA-256: `eaa27133e0520979873ba57ad651560a4cc2618373bd05450b23a84d32beafd0`</sub>
- - [`scrcpy-win32-v3.2.zip`][direct-win32] (32-bit)  
-   <sub>SHA-256: `4a3407d7f0c2c8a03e22a12cf0b5e1e585a5056fe23c8e5cf3252207c6fa8357`</sub>
+ - [`scrcpy-win64-v3.3.zip`][direct-win64] (64-bit)  
+   <sub>SHA-256: `a120cb4be7cde2891af38e83d2008173a0b6b6b5e344b2dfe668d0f892999933`</sub>
+ - [`scrcpy-win32-v3.3.zip`][direct-win32] (32-bit)  
+   <sub>SHA-256: `e409ab83f8c57bd6ac741d652635cab7699fcf3d384e233833872f117b993ca6`</sub>
 
 [latest release]: https://github.com/Genymobile/scrcpy/releases/latest
-[direct-win64]: https://github.com/Genymobile/scrcpy/releases/download/v3.2/scrcpy-win64-v3.2.zip
-[direct-win32]: https://github.com/Genymobile/scrcpy/releases/download/v3.2/scrcpy-win32-v3.2.zip
+[direct-win64]: https://github.com/Genymobile/scrcpy/releases/download/v3.3/scrcpy-win64-v3.3.zip
+[direct-win32]: https://github.com/Genymobile/scrcpy/releases/download/v3.3/scrcpy-win32-v3.3.zip
 
 and extract it.
 

install_release.sh

@@ -2,8 +2,8 @@
 set -e
 
 BUILDDIR=build-auto
-PREBUILT_SERVER_URL=https://github.com/Genymobile/scrcpy/releases/download/v3.2/scrcpy-server-v3.2
-PREBUILT_SERVER_SHA256=b920e0ea01936bf2482f4ba2fa985c22c13c621999e3d33b45baa5acfc1ea3d0
+PREBUILT_SERVER_URL=https://github.com/Genymobile/scrcpy/releases/download/v3.3/scrcpy-server-v3.3
+PREBUILT_SERVER_SHA256=351cb2edc7e4c2c75f09a7933fdabcf137be52e2602df154f24ec02db46e9e51
 
 echo "[scrcpy] Downloading prebuilt server..."
 wget "$PREBUILT_SERVER_URL" -O scrcpy-server

meson.build

@@ -1,5 +1,5 @@
 project('scrcpy', 'c',
-        version: '3.2',
+        version: '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 35
-        versionCode 30200
-        versionName "3.2"
+        versionCode 30300
+        versionName "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=3.2
+SCRCPY_VERSION_NAME=3.3
 
 PLATFORM=${ANDROID_PLATFORM:-35}
 BUILD_TOOLS=${ANDROID_BUILD_TOOLS:-35.0.0}

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

@@ -7,6 +7,7 @@ import com.genymobile.scrcpy.util.SettingsException;
 import com.genymobile.scrcpy.wrappers.ServiceManager;
 
 import android.os.BatteryManager;
+import android.os.Looper;
 import android.system.ErrnoException;
 import android.system.Os;
 
@@ -179,6 +180,11 @@ public final class CleanUp {
         }
     }
 
+    @SuppressWarnings("deprecation")
+    private static void prepareMainLooper() {
+        Looper.prepareMainLooper();
+    }
+
     public static void main(String... args) {
         try {
             // Start a new session to avoid being terminated along with the server process on some devices
@@ -188,6 +194,9 @@ public final class CleanUp {
         }
         unlinkSelf();
 
+        // Needed for workarounds
+        prepareMainLooper();
+
         int displayId = Integer.parseInt(args[0]);
         int restoreStayOn = Integer.parseInt(args[1]);
         boolean disableShowTouches = Boolean.parseBoolean(args[2]);

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

@@ -24,6 +24,7 @@ import com.genymobile.scrcpy.video.SurfaceCapture;
 import com.genymobile.scrcpy.video.SurfaceEncoder;
 import com.genymobile.scrcpy.video.VideoSource;
 
+import android.annotation.SuppressLint;
 import android.os.Build;
 import android.os.Looper;
 
@@ -96,7 +97,6 @@ public final class Server {
         boolean audio = options.getAudio();
         boolean sendDummyByte = options.getSendDummyByte();
 
-        prepareMainLooper();
         Workarounds.apply();
 
         List<AsyncProcessor> asyncProcessors = new ArrayList<>();
@@ -199,6 +199,7 @@ public final class Server {
         Looper.prepare();
         synchronized (Looper.class) {
             try {
+                @SuppressLint("DiscouragedPrivateApi")
                 Field field = Looper.class.getDeclaredField("sMainLooper");
                 field.setAccessible(true);
                 field.set(null, Looper.myLooper());
@@ -228,6 +229,8 @@ public final class Server {
             Ln.e("Exception on thread " + t, e);
         });
 
+        prepareMainLooper();
+
         Options options = Options.parse(args);
 
         Ln.disableSystemStreams();

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

@@ -112,8 +112,9 @@ public class ControlMessageReader {
 
     private ControlMessage parseInjectScrollEvent() throws IOException {
         Position position = parsePosition();
-        float hScroll = Binary.i16FixedPointToFloat(dis.readShort());
-        float vScroll = Binary.i16FixedPointToFloat(dis.readShort());
+        // Binary.i16FixedPointToFloat() decodes values assuming the full range is [-1, 1], but the actual range is [-16, 16].
+        float hScroll = Binary.i16FixedPointToFloat(dis.readShort()) * 16;
+        float vScroll = Binary.i16FixedPointToFloat(dis.readShort()) * 16;
         int buttons = dis.readInt();
         return ControlMessage.createInjectScrollEvent(position, hScroll, vScroll, buttons);
     }

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

@@ -114,9 +114,10 @@ public class Controller implements AsyncProcessor, VirtualDisplayListener {
             Ln.w("Input events are not supported for secondary displays before Android 10");
         }
 
+        // Make sure the clipboard manager is always created from the main thread (even if clipboardAutosync is disabled)
+        ClipboardManager clipboardManager = ServiceManager.getClipboardManager();
         if (clipboardAutosync) {
             // If control and autosync are enabled, synchronize Android clipboard to the computer automatically
-            ClipboardManager clipboardManager = ServiceManager.getClipboardManager();
             if (clipboardManager != null) {
                 clipboardManager.addPrimaryClipChangedListener(() -> {
                     if (isSettingClipboard.get()) {

server/src/main/java/com/genymobile/scrcpy/wrappers/ClipboardManager.java

@@ -3,13 +3,13 @@ package com.genymobile.scrcpy.wrappers;
 import com.genymobile.scrcpy.FakeContext;
 
 import android.content.ClipData;
+import android.content.Context;
 
 public final class ClipboardManager {
     private final android.content.ClipboardManager manager;
 
     static ClipboardManager create() {
-        android.content.ClipboardManager manager = (android.content.ClipboardManager) FakeContext.get()
-                .getSystemService(FakeContext.CLIPBOARD_SERVICE);
+        android.content.ClipboardManager manager = (android.content.ClipboardManager) FakeContext.get().getSystemService(Context.CLIPBOARD_SERVICE);
         if (manager == null) {
             // Some devices have no clipboard manager
             // <https://github.com/Genymobile/scrcpy/issues/1440>