Fix turn screen off on Android 14

On Android 14, execute a separate process with a different classpath and
LD_PRELOAD to execute the methods required to turn the device screen
off.

Fixes #3927 <https://github.com/Genymobile/scrcpy/issues/3927>
Refs #3927 comment <https://github.com/Genymobile/scrcpy/issues/3927#issuecomment-1790031953>

Co-authored-by: Simon Chan <1330321+yume-chan@users.noreply.github.com>

README.md

@@ -1,4 +1,4 @@
-# scrcpy (v2.3.1)
+# scrcpy (v2.2)
 
 <img src="app/data/icon.svg" width="128" height="128" alt="scrcpy" align="right" />
 

app/data/bash-completion/scrcpy

@@ -115,12 +115,13 @@ _scrcpy() {
             COMPREPLY=($(compgen -W 'front back external' -- "$cur"))
             return
             ;;
-        --orientation|--display-orientation)
-            COMPREPLY=($(compgen -W '0 90 180 270 flip0 flip90 flip180 flip270' -- "$cur"))
+        --orientation
+        --display-orientation)
+            COMPREPLY=($(compgen -> '0 90 180 270 flip0 flip90 flip180 flip270' -- "$cur"))
             return
             ;;
         --record-orientation)
-            COMPREPLY=($(compgen -W '0 90 180 270' -- "$cur"))
+            COMPREPLY=($(compgen -> '0 90 180 270' -- "$cur"))
             return
             ;;
         --lock-video-orientation)

app/data/scrcpy-console.desktop

@@ -5,7 +5,7 @@ Comment=Display and control your Android device
 # For some users, the PATH or ADB environment variables are set from the shell
 # startup file, like .bashrc or .zshrc… Run an interactive shell to get
 # environment correctly initialized.
-Exec=/bin/sh -c "\\$SHELL -i -c 'scrcpy --pause-on-exit=if-error'"
+Exec=/bin/sh -c "\"\\$SHELL\" -i -c scrcpy --pause-on-exit=if-error"
 Icon=scrcpy
 Terminal=true
 Type=Application

app/data/scrcpy.desktop

@@ -5,7 +5,7 @@ Comment=Display and control your Android device
 # For some users, the PATH or ADB environment variables are set from the shell
 # startup file, like .bashrc or .zshrc… Run an interactive shell to get
 # environment correctly initialized.
-Exec=/bin/sh -c "\\$SHELL -i -c scrcpy"
+Exec=/bin/sh -c "\"\\$SHELL\" -i -c scrcpy"
 Icon=scrcpy
 Terminal=false
 Type=Application

app/meson.build

@@ -34,8 +34,8 @@ src = [
     'src/trait/frame_source.c',
     'src/trait/packet_source.c',
     'src/util/acksync.c',
-    'src/util/audiobuf.c',
     'src/util/average.c',
+    'src/util/bytebuf.c',
     'src/util/file.c',
     'src/util/intmap.c',
     'src/util/intr.c',
@@ -98,24 +98,77 @@ endif
 
 cc = meson.get_compiler('c')
 
-dependencies = [
-    dependency('libavformat', version: '>= 57.33'),
-    dependency('libavcodec', version: '>= 57.37'),
-    dependency('libavutil'),
-    dependency('libswresample'),
-    dependency('sdl2', version: '>= 2.0.5'),
-]
+crossbuild_windows = meson.is_cross_build() and host_machine.system() == 'windows'
 
-if v4l2_support
-    dependencies += dependency('libavdevice')
-endif
+if not crossbuild_windows
+
+    # native build
+    dependencies = [
+        dependency('libavformat', version: '>= 57.33'),
+        dependency('libavcodec', version: '>= 57.37'),
+        dependency('libavutil'),
+        dependency('libswresample'),
+        dependency('sdl2', version: '>= 2.0.5'),
+    ]
+
+    if v4l2_support
+        dependencies += dependency('libavdevice')
+    endif
+
+    if usb_support
+        dependencies += dependency('libusb-1.0')
+    endif
+
+else
+    # cross-compile mingw32 build (from Linux to Windows)
+    prebuilt_sdl2 = meson.get_cross_property('prebuilt_sdl2')
+    sdl2_bin_dir = meson.current_source_dir() + '/prebuilt-deps/data/' + prebuilt_sdl2 + '/bin'
+    sdl2_lib_dir = meson.current_source_dir() + '/prebuilt-deps/data/' + prebuilt_sdl2 + '/lib'
+    sdl2_include_dir = 'prebuilt-deps/data/' + prebuilt_sdl2 + '/include'
+
+    sdl2 = declare_dependency(
+        dependencies: [
+            cc.find_library('SDL2', dirs: sdl2_bin_dir),
+            cc.find_library('SDL2main', dirs: sdl2_lib_dir),
+        ],
+        include_directories: include_directories(sdl2_include_dir)
+    )
+
+    prebuilt_ffmpeg = meson.get_cross_property('prebuilt_ffmpeg')
+    ffmpeg_bin_dir = meson.current_source_dir() + '/prebuilt-deps/data/' + prebuilt_ffmpeg + '/bin'
+    ffmpeg_include_dir = 'prebuilt-deps/data/' + prebuilt_ffmpeg + '/include'
+
+    ffmpeg = declare_dependency(
+        dependencies: [
+            cc.find_library('avcodec-60', dirs: ffmpeg_bin_dir),
+            cc.find_library('avformat-60', dirs: ffmpeg_bin_dir),
+            cc.find_library('avutil-58', dirs: ffmpeg_bin_dir),
+            cc.find_library('swresample-4', dirs: ffmpeg_bin_dir),
+        ],
+        include_directories: include_directories(ffmpeg_include_dir)
+    )
+
+    prebuilt_libusb = meson.get_cross_property('prebuilt_libusb')
+    libusb_bin_dir = meson.current_source_dir() + '/prebuilt-deps/data/' + prebuilt_libusb + '/bin'
+    libusb_include_dir = 'prebuilt-deps/data/' + prebuilt_libusb + '/include'
+
+    libusb = declare_dependency(
+        dependencies: [
+            cc.find_library('msys-usb-1.0', dirs: libusb_bin_dir),
+        ],
+        include_directories: include_directories(libusb_include_dir)
+    )
+
+    dependencies = [
+        ffmpeg,
+        sdl2,
+        libusb,
+        cc.find_library('mingw32')
+    ]
 
-if usb_support
-    dependencies += dependency('libusb-1.0')
 endif
 
 if host_machine.system() == 'windows'
-    dependencies += cc.find_library('mingw32')
     dependencies += cc.find_library('ws2_32')
 endif
 
@@ -212,10 +265,9 @@ if get_option('buildtype') == 'debug'
         ['test_binary', [
             'tests/test_binary.c',
         ]],
-        ['test_audiobuf', [
-            'tests/test_audiobuf.c',
-            'src/util/audiobuf.c',
-            'src/util/memory.c',
+        ['test_bytebuf', [
+            'tests/test_bytebuf.c',
+            'src/util/bytebuf.c',
         ]],
         ['test_cli', [
             'tests/test_cli.c',

app/prebuilt-deps/prepare-ffmpeg.sh

@@ -6,11 +6,11 @@ cd "$DIR"
 mkdir -p "$PREBUILT_DATA_DIR"
 cd "$PREBUILT_DATA_DIR"
 
-VERSION=6.1-scrcpy-3
+VERSION=6.1-scrcpy-2
 DEP_DIR="ffmpeg-$VERSION"
 
 FILENAME="$DEP_DIR".7z
-SHA256SUM=b646d18a3d543a4e4c46881568213499f22e4454a464e1552f03f2ac9cc3a05a
+SHA256SUM=7f25f638dc24a0f5d4af07a088b6a604cf33548900bbfd2f6ce0bae050b7664d
 
 if [[ -d "$DEP_DIR" ]]
 then

app/prebuilt-deps/prepare-libusb.sh

@@ -6,10 +6,9 @@ cd "$DIR"
 mkdir -p "$PREBUILT_DATA_DIR"
 cd "$PREBUILT_DATA_DIR"
 
-VERSION=1.0.26
-DEP_DIR="libusb-$VERSION"
+DEP_DIR=libusb-1.0.26
 
-FILENAME="libusb-$VERSION-binaries.7z"
+FILENAME=libusb-1.0.26-binaries.7z
 SHA256SUM=9c242696342dbde9cdc47239391f71833939bf9f7aa2bbb28cdaabe890465ec5
 
 if [[ -d "$DEP_DIR" ]]
@@ -18,22 +17,17 @@ then
     exit 0
 fi
 
-get_file "https://github.com/libusb/libusb/releases/download/v$VERSION/$FILENAME" \
-    "$FILENAME" "$SHA256SUM"
+get_file "https://github.com/libusb/libusb/releases/download/v1.0.26/$FILENAME" "$FILENAME" "$SHA256SUM"
 
 mkdir "$DEP_DIR"
 cd "$DEP_DIR"
 
 7z x "../$FILENAME" \
-    "libusb-$VERSION-binaries/libusb-MinGW-Win32/" \
-    "libusb-$VERSION-binaries/libusb-MinGW-Win32/" \
-    "libusb-$VERSION-binaries/libusb-MinGW-x64/" \
-    "libusb-$VERSION-binaries/libusb-MinGW-x64/"
+    libusb-1.0.26-binaries/libusb-MinGW-Win32/bin/msys-usb-1.0.dll \
+    libusb-1.0.26-binaries/libusb-MinGW-Win32/include/ \
+    libusb-1.0.26-binaries/libusb-MinGW-x64/bin/msys-usb-1.0.dll \
+    libusb-1.0.26-binaries/libusb-MinGW-x64/include/
 
-mv "libusb-$VERSION-binaries/libusb-MinGW-Win32" .
-mv "libusb-$VERSION-binaries/libusb-MinGW-x64" .
-rm -rf "libusb-$VERSION-binaries"
-
-# Rename the dll to get the same library name on all platforms
-mv libusb-MinGW-Win32/bin/msys-usb-1.0.dll libusb-MinGW-Win32/bin/libusb-1.0.dll
-mv libusb-MinGW-x64/bin/msys-usb-1.0.dll libusb-MinGW-x64/bin/libusb-1.0.dll
+mv libusb-1.0.26-binaries/libusb-MinGW-Win32 .
+mv libusb-1.0.26-binaries/libusb-MinGW-x64 .
+rm -rf libusb-1.0.26-binaries

app/prebuilt-deps/prepare-sdl.sh

@@ -6,11 +6,10 @@ cd "$DIR"
 mkdir -p "$PREBUILT_DATA_DIR"
 cd "$PREBUILT_DATA_DIR"
 
-VERSION=2.28.5
-DEP_DIR="SDL2-$VERSION"
+DEP_DIR=SDL2-2.28.4
 
-FILENAME="SDL2-devel-$VERSION-mingw.tar.gz"
-SHA256SUM=3c0c655c2ebf67cad48fead72761d1601740ded30808952c3274ba223d226c21
+FILENAME=SDL2-devel-2.28.4-mingw.tar.gz
+SHA256SUM=779d091072cf97291f80030f5232d97aa3d48ab0f2c14fe0b9d9a33c593cdc35
 
 if [[ -d "$DEP_DIR" ]]
 then
@@ -18,8 +17,7 @@ then
     exit 0
 fi
 
-get_file "https://github.com/libsdl-org/SDL/releases/download/release-$VERSION/$FILENAME" \
-    "$FILENAME" "$SHA256SUM"
+get_file "https://libsdl.org/release/$FILENAME" "$FILENAME" "$SHA256SUM"
 
 mkdir "$DEP_DIR"
 cd "$DEP_DIR"

app/scrcpy-windows.rc

@@ -13,7 +13,7 @@ BEGIN
       VALUE "LegalCopyright", "Romain Vimont, Genymobile"
       VALUE "OriginalFilename", "scrcpy.exe"
       VALUE "ProductName", "scrcpy"
-      VALUE "ProductVersion", "2.3.1"
+      VALUE "ProductVersion", "v2.2"
     END
   END
   BLOCK "VarFileInfo"

app/scrcpy.1

@@ -124,7 +124,7 @@ Use USB device (if there is exactly one, like adb -d).
 Also see \fB\-e\fR (\fB\-\-select\-tcpip\fR).
 
 .TP
-.BI "\-\-disable\-screensaver"
+.BI "\-\-disable-screensaver"
 Disable screensaver while scrcpy is running.
 
 .TP
@@ -642,11 +642,7 @@ Enable/disable FPS counter (print frames/second in logs)
 
 .TP
 .B Ctrl+click-and-move
-Pinch-to-zoom and rotate from the center of the screen
-
-.TP
-.B Shift+click-and-move
-Tilt (slide vertically with two fingers)
+Pinch-to-zoom from the center of the screen
 
 .TP
 .B Drag & drop APK file

app/src/audio_player.c

@@ -66,7 +66,8 @@ static void SDLCALL
 sc_audio_player_sdl_callback(void *userdata, uint8_t *stream, int len_int) {
     struct sc_audio_player *ap = userdata;
 
-    // This callback is called with the lock used by SDL_AudioDeviceLock()
+    // This callback is called with the lock used by SDL_AudioDeviceLock(), so
+    // the audiobuf is protected
 
     assert(len_int > 0);
     size_t len = len_int;
@@ -76,9 +77,8 @@ sc_audio_player_sdl_callback(void *userdata, uint8_t *stream, int len_int) {
     LOGD("[Audio] SDL callback requests %" PRIu32 " samples", count);
 #endif
 
-    bool played = atomic_load_explicit(&ap->played, memory_order_relaxed);
-    if (!played) {
-        uint32_t buffered_samples = sc_audiobuf_can_read(&ap->buf);
+    uint32_t buffered_samples = sc_audiobuf_can_read(&ap->buf);
+    if (!ap->played) {
         // Part of the buffering is handled by inserting initial silence. The
         // remaining (margin) last samples will be handled by compensation.
         uint32_t margin = 30 * ap->sample_rate / 1000; // 30ms
@@ -93,7 +93,10 @@ sc_audio_player_sdl_callback(void *userdata, uint8_t *stream, int len_int) {
         }
     }
 
-    uint32_t read = sc_audiobuf_read(&ap->buf, stream, count);
+    uint32_t read = MIN(buffered_samples, count);
+    if (read) {
+        sc_audiobuf_read(&ap->buf, stream, read);
+    }
 
     if (read < count) {
         uint32_t silence = count - read;
@@ -106,16 +109,13 @@ sc_audio_player_sdl_callback(void *userdata, uint8_t *stream, int len_int) {
              silence);
         memset(stream + TO_BYTES(read), 0, TO_BYTES(silence));
 
-        bool received = atomic_load_explicit(&ap->received,
-                                             memory_order_relaxed);
-        if (received) {
+        if (ap->received) {
             // Inserting additional samples immediately increases buffering
-            atomic_fetch_add_explicit(&ap->underflow, silence,
-                                      memory_order_relaxed);
+            ap->underflow += silence;
         }
     }
 
-    atomic_store_explicit(&ap->played, true, memory_order_relaxed);
+    ap->played = true;
 }
 
 static uint8_t *
@@ -162,120 +162,123 @@ sc_audio_player_frame_sink_push(struct sc_frame_sink *sink,
 
     // swr_convert() returns the number of samples which would have been
     // written if the buffer was big enough.
-    uint32_t samples = MIN(ret, dst_nb_samples);
+    uint32_t samples_written = MIN(ret, dst_nb_samples);
 #ifndef SC_AUDIO_PLAYER_NDEBUG
-    LOGD("[Audio] %" PRIu32 " samples written to buffer", samples);
+    LOGD("[Audio] %" PRIu32 " samples written to buffer", samples_written);
 #endif
 
-    uint32_t cap = sc_audiobuf_capacity(&ap->buf);
-    if (samples > cap) {
-        // Very very unlikely: a single resampled frame should never
-        // exceed the audio buffer size (or something is very wrong).
-        // Ignore the first bytes in swr_buf to avoid memory corruption anyway.
-        //skipped_samples = samples - cap;
-        swr_buf += TO_BYTES(samples - cap);
-        samples = cap;
+    // Since this function is the only writer, the current available space is
+    // at least the previous available space. In practice, it should almost
+    // always be possible to write without lock.
+    bool lockless_write = samples_written <= ap->previous_can_write;
+    if (lockless_write) {
+        sc_audiobuf_prepare_write(&ap->buf, swr_buf, samples_written);
     }
 
-    uint32_t written = sc_audiobuf_write(&ap->buf, swr_buf, samples);
-    if (written < samples) {
-        uint32_t remaining = samples - written;
+    SDL_LockAudioDevice(ap->device);
 
-        // All samples that could be written without locking have been written,
-        // now we need to lock to drop/consume old samples
-        SDL_LockAudioDevice(ap->device);
+    uint32_t buffered_samples = sc_audiobuf_can_read(&ap->buf);
 
-        // Retry with the lock
-        written += sc_audiobuf_write(&ap->buf,
-                                     swr_buf + TO_BYTES(written),
-                                     remaining);
-        if (written < samples) {
-            remaining = samples - written;
-            // Still insufficient, drop old samples to make space
-            uint32_t skipped_samples =
-                sc_audiobuf_read(&ap->buf, NULL, remaining);
-            assert(skipped_samples == remaining);
+    if (lockless_write) {
+        sc_audiobuf_commit_write(&ap->buf, samples_written);
+    } else {
+        uint32_t can_write = sc_audiobuf_can_write(&ap->buf);
+        if (samples_written > can_write) {
+            // Entering this branch is very unlikely, the audio buffer is
+            // allocated with a size sufficient to store 1 second more than the
+            // target buffering. If this happens, though, we have to skip old
+            // samples.
+            uint32_t cap = sc_audiobuf_capacity(&ap->buf);
+            if (samples_written > cap) {
+                // Very very unlikely: a single resampled frame should never
+                // exceed the audio buffer size (or something is very wrong).
+                // Ignore the first bytes in swr_buf
+                swr_buf += TO_BYTES(samples_written - cap);
+                // This change in samples_written will impact the
+                // instant_compensation below
+                samples_written = cap;
+            }
 
-            // Dropping input samples instantly decreases buffering
-            ap->avg_buffering.avg -= skipped_samples;
+            assert(samples_written >= can_write);
+            if (samples_written > can_write) {
+                uint32_t skip_samples = samples_written - can_write;
+                assert(buffered_samples >= skip_samples);
+                sc_audiobuf_skip(&ap->buf, skip_samples);
+                buffered_samples -= skip_samples;
+                if (ap->played) {
+                    // Dropping input samples instantly decreases buffering
+                    ap->avg_buffering.avg -= skip_samples;
+                }
+            }
 
-            // Now there is enough space
-            uint32_t w = sc_audiobuf_write(&ap->buf,
-                                           swr_buf + TO_BYTES(written),
-                                           remaining);
-            assert(w == remaining);
+            // It should remain exactly the expected size to write the new
+            // samples.
+            assert(sc_audiobuf_can_write(&ap->buf) == samples_written);
         }
 
-        SDL_UnlockAudioDevice(ap->device);
+        sc_audiobuf_write(&ap->buf, swr_buf, samples_written);
     }
 
-    uint32_t underflow = 0;
-    uint32_t max_buffered_samples;
-    bool played = atomic_load_explicit(&ap->played, memory_order_relaxed);
-    if (played) {
-        underflow = atomic_exchange_explicit(&ap->underflow, 0,
-                                             memory_order_relaxed);
+    buffered_samples += samples_written;
+    assert(buffered_samples == sc_audiobuf_can_read(&ap->buf));
 
-        max_buffered_samples = ap->target_buffering
-                               + 12 * ap->output_buffer
-                               + ap->target_buffering / 10;
+    // Read with lock held, to be used after unlocking
+    bool played = ap->played;
+    uint32_t underflow = ap->underflow;
+
+    if (played) {
+        uint32_t max_buffered_samples = ap->target_buffering
+                                      + 12 * ap->output_buffer
+                                      + ap->target_buffering / 10;
+        if (buffered_samples > max_buffered_samples) {
+            uint32_t skip_samples = buffered_samples - max_buffered_samples;
+            sc_audiobuf_skip(&ap->buf, skip_samples);
+            LOGD("[Audio] Buffering threshold exceeded, skipping %" PRIu32
+                 " samples", skip_samples);
+        }
+
+        // reset (the current value was copied to a local variable)
+        ap->underflow = 0;
     } else {
         // SDL playback not started yet, do not accumulate more than
         // max_initial_buffering samples, this would cause unnecessary delay
         // (and glitches to compensate) on start.
-        max_buffered_samples = ap->target_buffering + 2 * ap->output_buffer;
-    }
-
-    uint32_t can_read = sc_audiobuf_can_read(&ap->buf);
-    if (can_read > max_buffered_samples) {
-        uint32_t skip_samples = 0;
-
-        SDL_LockAudioDevice(ap->device);
-        can_read = sc_audiobuf_can_read(&ap->buf);
-        if (can_read > max_buffered_samples) {
-            skip_samples = can_read - max_buffered_samples;
-            uint32_t r = sc_audiobuf_read(&ap->buf, NULL, skip_samples);
-            assert(r == skip_samples);
-            LOGD("[Audio] Buffering threshold exceeded, skipping %" PRIu32
-                 " samples", skip_samples);
-        }
-        SDL_UnlockAudioDevice(ap->device);
-
-        if (skip_samples) {
-            // The buffer contained too much data, ignore any reported underflow
-            underflow = 0;
-
-            if (played) {
-                LOGD("[Audio] Buffering threshold exceeded, skipping %" PRIu32
-                     " samples", skip_samples);
+        uint32_t max_initial_buffering = ap->target_buffering
+                                       + 2 * ap->output_buffer;
+        if (buffered_samples > max_initial_buffering) {
+            uint32_t skip_samples = buffered_samples - max_initial_buffering;
+            sc_audiobuf_skip(&ap->buf, skip_samples);
 #ifndef SC_AUDIO_PLAYER_NDEBUG
-            } else {
-                LOGD("[Audio] Playback not started, skipping %" PRIu32
-                     " samples", skip_samples);
+            LOGD("[Audio] Playback not started, skipping %" PRIu32 " samples",
+                 skip_samples);
 #endif
-            }
         }
     }
 
-    atomic_store_explicit(&ap->received, true, memory_order_relaxed);
+    ap->previous_can_write = sc_audiobuf_can_write(&ap->buf);
+    ap->received = true;
+
+    SDL_UnlockAudioDevice(ap->device);
 
     if (played) {
         // Number of samples added (or removed, if negative) for compensation
-        int32_t instant_compensation = (int32_t) written - frame->nb_samples;
+        int32_t instant_compensation =
+            (int32_t) samples_written - frame->nb_samples;
         int32_t inserted_silence = (int32_t) underflow;
 
         // The compensation must apply instantly, it must not be smoothed
         ap->avg_buffering.avg += instant_compensation + inserted_silence;
 
+
         // However, the buffering level must be smoothed
-        sc_average_push(&ap->avg_buffering, can_read);
+        sc_average_push(&ap->avg_buffering, buffered_samples);
 
 #ifndef SC_AUDIO_PLAYER_NDEBUG
         LOGD("[Audio] buffered_samples=%" PRIu32 " avg_buffering=%f",
              buffered_samples, sc_average_get(&ap->avg_buffering));
 #endif
 
-        ap->samples_since_resync += written;
+        ap->samples_since_resync += samples_written;
         if (ap->samples_since_resync >= ap->sample_rate) {
             // Recompute compensation every second
             ap->samples_since_resync = 0;
@@ -285,7 +288,7 @@ sc_audio_player_frame_sink_push(struct sc_frame_sink *sink,
             if (abs(diff) < (int) ap->sample_rate / 1000) {
                 // Do not compensate for less than 1ms, the error is just noise
                 diff = 0;
-            } else if (diff < 0 && can_read < ap->target_buffering) {
+            } else if (diff < 0 && buffered_samples < ap->target_buffering) {
                 // Do not accelerate if the instant buffering level is below
                 // the average, this would increase underflow
                 diff = 0;
@@ -297,7 +300,8 @@ sc_audio_player_frame_sink_push(struct sc_frame_sink *sink,
             int abs_max_diff = distance / 50;
             diff = CLAMP(diff, -abs_max_diff, abs_max_diff);
             LOGV("[Audio] Buffering: target=%" PRIu32 " avg=%f cur=%" PRIu32
-                 " compensation=%d", ap->target_buffering, avg, can_read, diff);
+                 " compensation=%d", ap->target_buffering, avg,
+                 buffered_samples, diff);
 
             if (diff != ap->compensation) {
                 int ret = swr_set_compensation(swr_ctx, diff, distance);
@@ -409,14 +413,16 @@ sc_audio_player_frame_sink_open(struct sc_frame_sink *sink,
     }
     ap->swr_buf_alloc_size = initial_swr_buf_size;
 
+    ap->previous_can_write = sc_audiobuf_can_write(&ap->buf);
+
     // Samples are produced and consumed by blocks, so the buffering must be
     // smoothed to get a relatively stable value.
     sc_average_init(&ap->avg_buffering, 32);
     ap->samples_since_resync = 0;
 
     ap->received = false;
-    atomic_init(&ap->played, false);
-    atomic_init(&ap->underflow, 0);
+    ap->played = false;
+    ap->underflow = 0;
     ap->compensation = 0;
 
     // The thread calling open() is the thread calling push(), which fills the

app/src/audio_player.h

@@ -32,7 +32,7 @@ struct sc_audio_player {
     uint16_t output_buffer;
 
     // Audio buffer to communicate between the receiver and the SDL audio
-    // callback
+    // callback (protected by SDL_AudioDeviceLock())
     struct sc_audiobuf buf;
 
     // The previous empty space in the buffer (only used by the receiver
@@ -61,16 +61,19 @@ struct sc_audio_player {
     uint32_t samples_since_resync;
 
     // Number of silence samples inserted since the last received packet
-    atomic_uint_least32_t underflow;
+    // (protected by SDL_AudioDeviceLock())
+    uint32_t underflow;
 
     // Current applied compensation value (only used by the receiver thread)
     int compensation;
 
-    // Set to true the first time a sample is received
-    atomic_bool received;
+    // Set to true the first time a sample is received (protected by
+    // SDL_AudioDeviceLock())
+    bool received;
 
-    // Set to true the first time the SDL callback is called
-    atomic_bool played;
+    // Set to true the first time the SDL callback is called (protected by
+    // SDL_AudioDeviceLock())
+    bool played;
 
     const struct sc_audio_player_callbacks *cbs;
     void *cbs_userdata;

app/src/cli.c

@@ -947,11 +947,7 @@ static const struct sc_shortcut shortcuts[] = {
     },
     {
         .shortcuts = { "Ctrl+click-and-move" },
-        .text = "Pinch-to-zoom and rotate from the center of the screen",
-    },
-    {
-        .shortcuts = { "Shift+click-and-move" },
-        .text = "Tilt (slide vertically with two fingers)",
+        .text = "Pinch-to-zoom from the center of the screen",
     },
     {
         .shortcuts = { "Drag & drop APK file" },
@@ -2142,7 +2138,7 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
                         opts->display_orientation = SC_ORIENTATION_180;
                         break;
                     case 3:
-                        // rotation 3 was 270° counterclockwise, but orientation
+                        // rotation 1 was 270° counterclockwise, but orientation
                         // is expressed clockwise
                         opts->display_orientation = SC_ORIENTATION_90;
                         break;
@@ -2158,7 +2154,7 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
                     return false;
                 }
                 break;
-            case OPT_ORIENTATION: {
+            case OPT_ORIENTATION:
                 enum sc_orientation orientation;
                 if (!parse_orientation(optarg, &orientation)) {
                     return false;
@@ -2166,7 +2162,6 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
                 opts->display_orientation = orientation;
                 opts->record_orientation = orientation;
                 break;
-            }
             case OPT_RENDER_DRIVER:
                 opts->render_driver = optarg;
                 break;
@@ -2536,8 +2531,7 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
         if (opts->record_orientation != SC_ORIENTATION_0) {
             if (sc_orientation_is_mirror(opts->record_orientation)) {
                 LOGE("Record orientation only supports rotation, not "
-                     "flipping: %s",
-                     sc_orientation_get_name(opts->record_orientation));
+                     "flipping: %s", optarg);
                 return false;
             }
         }

app/src/demuxer.c

@@ -227,9 +227,8 @@ run_demuxer(void *data) {
     }
 
     // Config packets must be merged with the next non-config packet only for
-    // H.26x
-    bool must_merge_config_packet = raw_codec_id == SC_CODEC_ID_H264
-                                 || raw_codec_id == SC_CODEC_ID_H265;
+    // video streams
+    bool must_merge_config_packet = codec->type == AVMEDIA_TYPE_VIDEO;
 
     struct sc_packet_merger merger;
 

app/src/input_manager.c

@@ -76,8 +76,6 @@ sc_input_manager_init(struct sc_input_manager *im,
     im->sdl_shortcut_mods.count = shortcut_mods->count;
 
     im->vfinger_down = false;
-    im->vfinger_invert_x = false;
-    im->vfinger_invert_y = false;
 
     im->last_keycode = SDLK_UNKNOWN;
     im->last_mod = 0;
@@ -349,14 +347,9 @@ simulate_virtual_finger(struct sc_input_manager *im,
 }
 
 static struct sc_point
-inverse_point(struct sc_point point, struct sc_size size,
-              bool invert_x, bool invert_y) {
-    if (invert_x) {
-        point.x = size.width - point.x;
-    }
-    if (invert_y) {
-        point.y = size.height - point.y;
-    }
+inverse_point(struct sc_point point, struct sc_size size) {
+    point.x = size.width - point.x;
+    point.y = size.height - point.y;
     return point;
 }
 
@@ -612,9 +605,7 @@ sc_input_manager_process_mouse_motion(struct sc_input_manager *im,
         struct sc_point mouse =
            sc_screen_convert_window_to_frame_coords(im->screen, event->x,
                                                     event->y);
-        struct sc_point vfinger = inverse_point(mouse, im->screen->frame_size,
-                                                im->vfinger_invert_x,
-                                                im->vfinger_invert_y);
+        struct sc_point vfinger = inverse_point(mouse, im->screen->frame_size);
         simulate_virtual_finger(im, AMOTION_EVENT_ACTION_MOVE, vfinger);
     }
 }
@@ -735,7 +726,7 @@ sc_input_manager_process_mouse_button(struct sc_input_manager *im,
         return;
     }
 
-    // Pinch-to-zoom, rotate and tilt simulation.
+    // Pinch-to-zoom simulation.
     //
     // If Ctrl is hold when the left-click button is pressed, then
     // pinch-to-zoom mode is enabled: on every mouse event until the left-click
@@ -744,29 +735,14 @@ sc_input_manager_process_mouse_button(struct sc_input_manager *im,
     //
     // In other words, the center of the rotation/scaling is the center of the
     // screen.
-    //
-    // To simulate a tilt gesture (a vertical slide with two fingers), Shift
-    // can be used instead of Ctrl. The "virtual finger" has a position
-    // inverted with respect to the vertical axis of symmetry in the middle of
-    // the screen.
-    const SDL_Keymod keymod = SDL_GetModState();
-    const bool ctrl_pressed = keymod & KMOD_CTRL;
-    const bool shift_pressed = keymod & KMOD_SHIFT;
+#define CTRL_PRESSED (SDL_GetModState() & (KMOD_LCTRL | KMOD_RCTRL))
     if (event->button == SDL_BUTTON_LEFT &&
-            ((down && !im->vfinger_down &&
-              ((ctrl_pressed && !shift_pressed) ||
-               (!ctrl_pressed && shift_pressed))) ||
+            ((down && !im->vfinger_down && CTRL_PRESSED) ||
              (!down && im->vfinger_down))) {
         struct sc_point mouse =
             sc_screen_convert_window_to_frame_coords(im->screen, event->x,
                                                                  event->y);
-        if (down) {
-            im->vfinger_invert_x = ctrl_pressed || shift_pressed;
-            im->vfinger_invert_y = ctrl_pressed;
-        }
-        struct sc_point vfinger = inverse_point(mouse, im->screen->frame_size,
-                                                im->vfinger_invert_x,
-                                                im->vfinger_invert_y);
+        struct sc_point vfinger = inverse_point(mouse, im->screen->frame_size);
         enum android_motionevent_action action = down
                                                ? AMOTION_EVENT_ACTION_DOWN
                                                : AMOTION_EVENT_ACTION_UP;

app/src/input_manager.h

@@ -32,8 +32,6 @@ struct sc_input_manager {
     } sdl_shortcut_mods;
 
     bool vfinger_down;
-    bool vfinger_invert_x;
-    bool vfinger_invert_y;
 
     // Tracks the number of identical consecutive shortcut key down events.
     // Not to be confused with event->repeat, which counts the number of

app/src/options.c

@@ -113,10 +113,10 @@ sc_orientation_apply(enum sc_orientation src, enum sc_orientation transform) {
         // In the final result, we want all the hflips then all the rotations,
         // so we must move hflip2 to the left:
         //
-        //     hflip1 × hflip2 × rotate1' × rotate2
+        //     hflip1 × hflip2 × f(rotate1) × rotate2
         //
-        // with rotate1' = | rotate1           if src is 0° or 180°
-        //                 | rotate1 + 180°    if src is 90° or 270°
+        // with f(rotate1) = | rotate1          if src is 0 or 180
+        //                   | rotate1 + 180    if src is 90 or 270
 
         src_rotation += 2;
     }

app/src/scrcpy.c

@@ -419,21 +419,12 @@ scrcpy(struct scrcpy_options *options) {
         sdl_set_hints(options->render_driver);
     }
 
-    if (options->video_playback ||
-            (options->control && options->clipboard_autosync)) {
-        // Initialize the video subsystem even if --no-video or
-        // --no-video-playback is passed so that clipboard synchronization
-        // still works.
-        // <https://github.com/Genymobile/scrcpy/issues/4418>
-        if (SDL_Init(SDL_INIT_VIDEO)) {
-            // If it fails, it is an error only if video playback is enabled
-            if (options->video_playback) {
-                LOGE("Could not initialize SDL video: %s", SDL_GetError());
-                goto end;
-            } else {
-                LOGW("Could not initialize SDL video: %s", SDL_GetError());
-            }
-        }
+    // Initialize the video subsystem even if --no-video or --no-video-playback
+    // is passed so that clipboard synchronization still works.
+    // <https://github.com/Genymobile/scrcpy/issues/4418>
+    if (SDL_Init(SDL_INIT_VIDEO)) {
+        LOGE("Could not initialize SDL video: %s", SDL_GetError());
+        goto end;
     }
 
     if (options->audio_playback) {

app/src/server.c

@@ -18,7 +18,6 @@
 #define SC_SERVER_FILENAME "scrcpy-server"
 
 #define SC_SERVER_PATH_DEFAULT PREFIX "/share/scrcpy/" SC_SERVER_FILENAME
-#define SC_DEVICE_SERVER_PATH "/data/local/tmp/scrcpy-server.jar"
 
 #define SC_ADB_PORT_DEFAULT 5555
 #define SC_SOCKET_NAME_PREFIX "scrcpy_"
@@ -117,7 +116,7 @@ error:
 }
 
 static bool
-push_server(struct sc_intr *intr, const char *serial) {
+push_server(struct sc_intr *intr, uint32_t scid, const char *serial) {
     char *server_path = get_server_path();
     if (!server_path) {
         return false;
@@ -127,7 +126,16 @@ push_server(struct sc_intr *intr, const char *serial) {
         free(server_path);
         return false;
     }
-    bool ok = sc_adb_push(intr, serial, server_path, SC_DEVICE_SERVER_PATH, 0);
+
+    char *device_server_path;
+    if (asprintf(&device_server_path, "/data/local/tmp/scrcpy-server-%08x.jar",
+                 scid) == -1) {
+        LOG_OOM();
+        free(server_path);
+        return false;
+    }
+    bool ok = sc_adb_push(intr, serial, server_path, device_server_path, 0);
+    free(device_server_path);
     free(server_path);
     return ok;
 }
@@ -209,13 +217,20 @@ execute_server(struct sc_server *server,
     const char *serial = server->serial;
     assert(serial);
 
+    char *classpath;
+    if (asprintf(&classpath, "CLASSPATH=/data/local/tmp/scrcpy-server-%08x.jar",
+                 params->scid) == -1) {
+        LOG_OOM();
+        return SC_PROCESS_NONE;
+    }
+
     const char *cmd[128];
     unsigned count = 0;
     cmd[count++] = sc_adb_get_executable();
     cmd[count++] = "-s";
     cmd[count++] = serial;
     cmd[count++] = "shell";
-    cmd[count++] = "CLASSPATH=" SC_DEVICE_SERVER_PATH;
+    cmd[count++] = classpath;
     cmd[count++] = "app_process";
 
 #ifdef SERVER_DEBUGGER
@@ -388,6 +403,7 @@ end:
     for (unsigned i = dyn_idx; i < count; ++i) {
         free((char *) cmd[i]);
     }
+    free(classpath);
 
     return pid;
 }
@@ -937,7 +953,7 @@ run_server(void *data) {
     assert(serial);
     LOGD("Device serial: %s", serial);
 
-    ok = push_server(&server->intr, serial);
+    ok = push_server(&server->intr, params->scid, serial);
     if (!ok) {
         goto error_connection_failed;
     }

app/src/util/audiobuf.c

@@ -1,109 +0,0 @@
-#include "audiobuf.h"
-
-#include <stdlib.h>
-#include <string.h>
-#include <util/log.h>
-#include <util/memory.h>
-
-bool
-sc_audiobuf_init(struct sc_audiobuf *buf, size_t sample_size,
-                 uint32_t capacity) {
-    assert(sample_size);
-    assert(capacity);
-
-    // The actual capacity is (alloc_size - 1) so that head == tail is
-    // non-ambiguous
-    buf->alloc_size = capacity + 1;
-    buf->data = sc_allocarray(buf->alloc_size, sample_size);
-    if (!buf->data) {
-        LOG_OOM();
-        return false;
-    }
-
-    buf->sample_size = sample_size;
-    atomic_init(&buf->head, 0);
-    atomic_init(&buf->tail, 0);
-
-    return true;
-}
-
-void
-sc_audiobuf_destroy(struct sc_audiobuf *buf) {
-    free(buf->data);
-}
-
-uint32_t
-sc_audiobuf_read(struct sc_audiobuf *buf, void *to, uint32_t samples_count) {
-    assert(samples_count);
-
-    // Only the reader thread can write tail without synchronization, so
-    // memory_order_relaxed is sufficient
-    uint32_t tail = atomic_load_explicit(&buf->tail, memory_order_relaxed);
-
-    // The head cursor is updated after the data is written to the array
-    uint32_t head = atomic_load_explicit(&buf->head, memory_order_acquire);
-
-    uint32_t can_read = (buf->alloc_size + head - tail) % buf->alloc_size;
-    if (samples_count > can_read) {
-        samples_count = can_read;
-    }
-
-    if (to) {
-        uint32_t right_limit = tail < head ? head : buf->alloc_size;
-        uint32_t right_count = right_limit - tail;
-        if (right_count > samples_count) {
-            right_count = samples_count;
-        }
-        memcpy(to,
-               buf->data + (tail * buf->sample_size),
-               right_count * buf->sample_size);
-
-        if (samples_count > right_count) {
-            uint32_t left_count = samples_count - right_count;
-            memcpy(to + (right_count * buf->sample_size),
-                   buf->data,
-                   left_count * buf->sample_size);
-        }
-    }
-
-    uint32_t new_tail = (tail + samples_count) % buf->alloc_size;
-    atomic_store_explicit(&buf->tail, new_tail, memory_order_release);
-
-    return samples_count;
-}
-
-uint32_t
-sc_audiobuf_write(struct sc_audiobuf *buf, const void *from,
-                  uint32_t samples_count) {
-    // Only the writer thread can write head, so memory_order_relaxed is
-    // sufficient
-    uint32_t head = atomic_load_explicit(&buf->head, memory_order_relaxed);
-
-    // The tail cursor is updated after the data is consumed by the reader
-    uint32_t tail = atomic_load_explicit(&buf->tail, memory_order_acquire);
-
-    uint32_t can_write = (buf->alloc_size + tail - head - 1) % buf->alloc_size;
-    if (samples_count > can_write) {
-        samples_count = can_write;
-    }
-
-    uint32_t right_count = buf->alloc_size - head;
-    if (right_count > samples_count) {
-        right_count = samples_count;
-    }
-    memcpy(buf->data + (head * buf->sample_size),
-           from,
-           right_count * buf->sample_size);
-
-    if (samples_count > right_count) {
-        uint32_t left_count = samples_count - right_count;
-        memcpy(buf->data,
-               from + (right_count * buf->sample_size),
-               left_count * buf->sample_size);
-    }
-
-    uint32_t new_head = (head + samples_count) % buf->alloc_size;
-    atomic_store_explicit(&buf->head, new_head, memory_order_release);
-
-    return samples_count;
-}

app/src/util/audiobuf.h

@@ -3,25 +3,19 @@
 
 #include "common.h"
 
-#include <assert.h>
-#include <stdatomic.h>
 #include <stdbool.h>
 #include <stdint.h>
 
+#include "util/bytebuf.h"
+
 /**
  * Wrapper around bytebuf to read and write samples
  *
  * Each sample takes sample_size bytes.
  */
 struct sc_audiobuf {
-    void *data;
-    uint32_t sample_size;
-    uint32_t alloc_size; // in samples
-
-    atomic_uint_least32_t head; // writer cursor, in samples
-    atomic_uint_least32_t tail; // reader cursor, in samples
-    // empty: tail == head
-    // full: ((tail + 1) % alloc_size) == head
+    struct sc_bytebuf buf;
+    size_t sample_size;
 };
 
 static inline uint32_t
@@ -35,31 +29,66 @@ sc_audiobuf_to_bytes(struct sc_audiobuf *buf, uint32_t samples) {
     return samples * buf->sample_size;
 }
 
-bool
+static inline bool
 sc_audiobuf_init(struct sc_audiobuf *buf, size_t sample_size,
-                 uint32_t capacity);
+                 uint32_t capacity) {
+    buf->sample_size = sample_size;
+    return sc_bytebuf_init(&buf->buf, capacity * sample_size + 1);
+}
 
-void
-sc_audiobuf_destroy(struct sc_audiobuf *buf);
+static inline void
+sc_audiobuf_read(struct sc_audiobuf *buf, uint8_t *to, uint32_t samples) {
+    size_t bytes = sc_audiobuf_to_bytes(buf, samples);
+    sc_bytebuf_read(&buf->buf, to, bytes);
+}
 
-uint32_t
-sc_audiobuf_read(struct sc_audiobuf *buf, void *to, uint32_t samples_count);
+static inline void
+sc_audiobuf_skip(struct sc_audiobuf *buf, uint32_t samples) {
+    size_t bytes = sc_audiobuf_to_bytes(buf, samples);
+    sc_bytebuf_skip(&buf->buf, bytes);
+}
 
-uint32_t
-sc_audiobuf_write(struct sc_audiobuf *buf, const void *from,
-                  uint32_t samples_count);
+static inline void
+sc_audiobuf_write(struct sc_audiobuf *buf, const uint8_t *from,
+                  uint32_t samples) {
+    size_t bytes = sc_audiobuf_to_bytes(buf, samples);
+    sc_bytebuf_write(&buf->buf, from, bytes);
+}
 
-static inline uint32_t
-sc_audiobuf_capacity(struct sc_audiobuf *buf) {
-    assert(buf->alloc_size);
-    return buf->alloc_size - 1;
+static inline void
+sc_audiobuf_prepare_write(struct sc_audiobuf *buf, const uint8_t *from,
+                          uint32_t samples) {
+    size_t bytes = sc_audiobuf_to_bytes(buf, samples);
+    sc_bytebuf_prepare_write(&buf->buf, from, bytes);
+}
+
+static inline void
+sc_audiobuf_commit_write(struct sc_audiobuf *buf, uint32_t samples) {
+    size_t bytes = sc_audiobuf_to_bytes(buf, samples);
+    sc_bytebuf_commit_write(&buf->buf, bytes);
 }
 
 static inline uint32_t
 sc_audiobuf_can_read(struct sc_audiobuf *buf) {
-    uint32_t head = atomic_load_explicit(&buf->head, memory_order_acquire);
-    uint32_t tail = atomic_load_explicit(&buf->tail, memory_order_acquire);
-    return (buf->alloc_size + head - tail) % buf->alloc_size;
+    size_t bytes = sc_bytebuf_can_read(&buf->buf);
+    return sc_audiobuf_to_samples(buf, bytes);
+}
+
+static inline uint32_t
+sc_audiobuf_can_write(struct sc_audiobuf *buf) {
+    size_t bytes = sc_bytebuf_can_write(&buf->buf);
+    return sc_audiobuf_to_samples(buf, bytes);
+}
+
+static inline uint32_t
+sc_audiobuf_capacity(struct sc_audiobuf *buf) {
+    size_t bytes = sc_bytebuf_capacity(&buf->buf);
+    return sc_audiobuf_to_samples(buf, bytes);
+}
+
+static inline void
+sc_audiobuf_destroy(struct sc_audiobuf *buf) {
+    sc_bytebuf_destroy(&buf->buf);
 }
 
 #endif

app/src/util/bytebuf.c

@@ -0,0 +1,104 @@
+#include "bytebuf.h"
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "util/log.h"
+
+bool
+sc_bytebuf_init(struct sc_bytebuf *buf, size_t alloc_size) {
+    assert(alloc_size);
+    buf->data = malloc(alloc_size);
+    if (!buf->data) {
+        LOG_OOM();
+        return false;
+    }
+
+    buf->alloc_size = alloc_size;
+    buf->head = 0;
+    buf->tail = 0;
+
+    return true;
+}
+
+void
+sc_bytebuf_destroy(struct sc_bytebuf *buf) {
+    free(buf->data);
+}
+
+void
+sc_bytebuf_read(struct sc_bytebuf *buf, uint8_t *to, size_t len) {
+    assert(len);
+    assert(len <= sc_bytebuf_can_read(buf));
+    assert(buf->tail != buf->head); // the buffer could not be empty
+
+    size_t right_limit = buf->tail < buf->head ? buf->head : buf->alloc_size;
+    size_t right_len = right_limit - buf->tail;
+    if (len < right_len) {
+        right_len = len;
+    }
+    memcpy(to, buf->data + buf->tail, right_len);
+
+    if (len > right_len) {
+        memcpy(to + right_len, buf->data, len - right_len);
+    }
+
+    buf->tail = (buf->tail + len) % buf->alloc_size;
+}
+
+void
+sc_bytebuf_skip(struct sc_bytebuf *buf, size_t len) {
+    assert(len);
+    assert(len <= sc_bytebuf_can_read(buf));
+    assert(buf->tail != buf->head); // the buffer could not be empty
+
+    buf->tail = (buf->tail + len) % buf->alloc_size;
+}
+
+static inline void
+sc_bytebuf_write_step0(struct sc_bytebuf *buf, const uint8_t *from,
+                       size_t len) {
+    size_t right_len = buf->alloc_size - buf->head;
+    if (len < right_len) {
+        right_len = len;
+    }
+    memcpy(buf->data + buf->head, from, right_len);
+
+    if (len > right_len) {
+        memcpy(buf->data, from + right_len, len - right_len);
+    }
+}
+
+static inline void
+sc_bytebuf_write_step1(struct sc_bytebuf *buf, size_t len) {
+    buf->head = (buf->head + len) % buf->alloc_size;
+}
+
+void
+sc_bytebuf_write(struct sc_bytebuf *buf, const uint8_t *from, size_t len) {
+    assert(len);
+    assert(len <= sc_bytebuf_can_write(buf));
+
+    sc_bytebuf_write_step0(buf, from, len);
+    sc_bytebuf_write_step1(buf, len);
+}
+
+void
+sc_bytebuf_prepare_write(struct sc_bytebuf *buf, const uint8_t *from,
+                         size_t len) {
+    // *This function MUST NOT access buf->tail (even in assert()).*
+    // The purpose of this function is to allow a reader and a writer to access
+    // different parts of the buffer in parallel simultaneously. It is intended
+    // to be called without lock (only sc_bytebuf_commit_write() is intended to
+    // be called with lock held).
+
+    assert(len < buf->alloc_size - 1);
+    sc_bytebuf_write_step0(buf, from, len);
+}
+
+void
+sc_bytebuf_commit_write(struct sc_bytebuf *buf, size_t len) {
+    assert(len <= sc_bytebuf_can_write(buf));
+    sc_bytebuf_write_step1(buf, len);
+}

app/src/util/bytebuf.h

@@ -0,0 +1,114 @@
+#ifndef SC_BYTEBUF_H
+#define SC_BYTEBUF_H
+
+#include "common.h"
+
+#include <stdbool.h>
+#include <stdint.h>
+
+struct sc_bytebuf {
+    uint8_t *data;
+    // The actual capacity is (allocated - 1) so that head == tail is
+    // non-ambiguous
+    size_t alloc_size;
+    size_t head; // writter cursor
+    size_t tail; // reader cursor
+    // empty: tail == head
+    // full: ((tail + 1) % alloc_size) == head
+};
+
+bool
+sc_bytebuf_init(struct sc_bytebuf *buf, size_t alloc_size);
+
+/**
+ * Copy from the bytebuf to a user-provided array
+ *
+ * The caller must check that len <= sc_bytebuf_read_available() (it is an
+ * error to attempt to read more bytes than available).
+ *
+ * This function is guaranteed not to write to buf->head.
+ */
+void
+sc_bytebuf_read(struct sc_bytebuf *buf, uint8_t *to, size_t len);
+
+/**
+ * Drop len bytes from the buffer
+ *
+ * The caller must check that len <= sc_bytebuf_read_available() (it is an
+ * error to attempt to skip more bytes than available).
+ *
+ * This function is guaranteed not to write to buf->head.
+ *
+ * It is equivalent to call sc_bytebuf_read() to some array and discard the
+ * array (but this function is more efficient since there is no copy).
+ */
+void
+sc_bytebuf_skip(struct sc_bytebuf *buf, size_t len);
+
+/**
+ * Copy the user-provided array to the bytebuf
+ *
+ * The caller must check that len <= sc_bytebuf_write_available() (it is an
+ * error to write more bytes than the remaining available space).
+ *
+ * This function is guaranteed not to write to buf->tail.
+ */
+void
+sc_bytebuf_write(struct sc_bytebuf *buf, const uint8_t *from, size_t len);
+
+/**
+ * Copy the user-provided array to the bytebuf, but do not advance the cursor
+ *
+ * The caller must check that len <= sc_bytebuf_write_available() (it is an
+ * error to write more bytes than the remaining available space).
+ *
+ * After this function is called, the write must be committed with
+ * sc_bytebuf_commit_write().
+ *
+ * The purpose of this mechanism is to acquire a lock only to commit the write,
+ * but not to perform the actual copy.
+ *
+ * This function is guaranteed not to access buf->tail.
+ */
+void
+sc_bytebuf_prepare_write(struct sc_bytebuf *buf, const uint8_t *from,
+                         size_t len);
+
+/**
+ * Commit a prepared write
+ */
+void
+sc_bytebuf_commit_write(struct sc_bytebuf *buf, size_t len);
+
+/**
+ * Return the number of bytes which can be read
+ *
+ * It is an error to read more bytes than available.
+ */
+static inline size_t
+sc_bytebuf_can_read(struct sc_bytebuf *buf) {
+    return (buf->alloc_size + buf->head - buf->tail) % buf->alloc_size;
+}
+
+/**
+ * Return the number of bytes which can be written
+ *
+ * It is an error to write more bytes than available.
+ */
+static inline size_t
+sc_bytebuf_can_write(struct sc_bytebuf *buf) {
+    return (buf->alloc_size + buf->tail - buf->head - 1) % buf->alloc_size;
+}
+
+/**
+ * Return the actual capacity of the buffer (can_read() + can_write())
+ */
+static inline size_t
+sc_bytebuf_capacity(struct sc_bytebuf *buf) {
+    return buf->alloc_size - 1;
+}
+
+void
+sc_bytebuf_destroy(struct sc_bytebuf *buf);
+
+#endif

app/tests/test_audiobuf.c

@@ -1,128 +0,0 @@
-#include "common.h"
-
-#include <assert.h>
-#include <string.h>
-
-#include "util/audiobuf.h"
-
-static void test_audiobuf_simple(void) {
-    struct sc_audiobuf buf;
-    uint32_t data[20];
-
-    bool ok = sc_audiobuf_init(&buf, 4, 20);
-    assert(ok);
-
-    uint32_t samples[] = {1, 2, 3, 4, 5};
-    uint32_t w = sc_audiobuf_write(&buf, samples, 5);
-    assert(w == 5);
-
-    uint32_t r = sc_audiobuf_read(&buf, data, 4);
-    assert(r == 4);
-    assert(!memcmp(data, samples, 16));
-
-    uint32_t samples2[] = {6, 7, 8};
-    w = sc_audiobuf_write(&buf, samples2, 3);
-    assert(w == 3);
-
-    uint32_t single = 9;
-    w = sc_audiobuf_write(&buf, &single, 1);
-    assert(w == 1);
-
-    r = sc_audiobuf_read(&buf, &data[4], 8);
-    assert(r == 5);
-
-    uint32_t expected[] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
-    assert(!memcmp(data, expected, 36));
-
-    sc_audiobuf_destroy(&buf);
-}
-
-static void test_audiobuf_boundaries(void) {
-    struct sc_audiobuf buf;
-    uint32_t data[20];
-
-    bool ok = sc_audiobuf_init(&buf, 4, 20);
-    assert(ok);
-
-    uint32_t samples[] = {1, 2, 3, 4, 5, 6};
-    uint32_t w = sc_audiobuf_write(&buf, samples, 6);
-    assert(w == 6);
-
-    w = sc_audiobuf_write(&buf, samples, 6);
-    assert(w == 6);
-
-    w = sc_audiobuf_write(&buf, samples, 6);
-    assert(w == 6);
-
-    uint32_t r = sc_audiobuf_read(&buf, data, 9);
-    assert(r == 9);
-
-    uint32_t expected[] = {1, 2, 3, 4, 5, 6, 1, 2, 3};
-    assert(!memcmp(data, expected, 36));
-
-    uint32_t samples2[] = {7, 8, 9, 10, 11};
-    w = sc_audiobuf_write(&buf, samples2, 5);
-    assert(w == 5);
-
-    uint32_t single = 12;
-    w = sc_audiobuf_write(&buf, &single, 1);
-    assert(w == 1);
-
-    w = sc_audiobuf_read(&buf, NULL, 3);
-    assert(w == 3);
-
-    assert(sc_audiobuf_can_read(&buf) == 12);
-
-    r = sc_audiobuf_read(&buf, data, 12);
-    assert(r == 12);
-
-    uint32_t expected2[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
-    assert(!memcmp(data, expected2, 48));
-
-    sc_audiobuf_destroy(&buf);
-}
-
-static void test_audiobuf_partial_read_write(void) {
-    struct sc_audiobuf buf;
-    uint32_t data[15];
-
-    bool ok = sc_audiobuf_init(&buf, 4, 10);
-    assert(ok);
-
-    uint32_t samples[] = {1, 2, 3, 4, 5, 6};
-    uint32_t w = sc_audiobuf_write(&buf, samples, 6);
-    assert(w == 6);
-
-    w = sc_audiobuf_write(&buf, samples, 6);
-    assert(w == 4);
-
-    w = sc_audiobuf_write(&buf, samples, 6);
-    assert(w == 0);
-
-    uint32_t r = sc_audiobuf_read(&buf, data, 3);
-    assert(r == 3);
-
-    uint32_t expected[] = {1, 2, 3};
-    assert(!memcmp(data, expected, 12));
-
-    w = sc_audiobuf_write(&buf, samples, 6);
-    assert(w == 3);
-
-    r = sc_audiobuf_read(&buf, data, 15);
-    assert(r == 10);
-    uint32_t expected2[] = {4, 5, 6, 1, 2, 3, 4, 1, 2, 3};
-    assert(!memcmp(data, expected2, 12));
-
-    sc_audiobuf_destroy(&buf);
-}
-
-int main(int argc, char *argv[]) {
-    (void) argc;
-    (void) argv;
-
-    test_audiobuf_simple();
-    test_audiobuf_boundaries();
-    test_audiobuf_partial_read_write();
-
-    return 0;
-}

app/tests/test_bytebuf.c

@@ -0,0 +1,126 @@
+#include "common.h"
+
+#include <assert.h>
+#include <string.h>
+
+#include "util/bytebuf.h"
+
+static void test_bytebuf_simple(void) {
+    struct sc_bytebuf buf;
+    uint8_t data[20];
+
+    bool ok = sc_bytebuf_init(&buf, 20);
+    assert(ok);
+
+    sc_bytebuf_write(&buf, (uint8_t *) "hello", sizeof("hello") - 1);
+    assert(sc_bytebuf_can_read(&buf) == 5);
+
+    sc_bytebuf_read(&buf, data, 4);
+    assert(!strncmp((char *) data, "hell", 4));
+
+    sc_bytebuf_write(&buf, (uint8_t *) " world", sizeof(" world") - 1);
+    assert(sc_bytebuf_can_read(&buf) == 7);
+
+    sc_bytebuf_write(&buf, (uint8_t *) "!", 1);
+    assert(sc_bytebuf_can_read(&buf) == 8);
+
+    sc_bytebuf_read(&buf, &data[4], 8);
+    assert(sc_bytebuf_can_read(&buf) == 0);
+
+    data[12] = '\0';
+    assert(!strcmp((char *) data, "hello world!"));
+    assert(sc_bytebuf_can_read(&buf) == 0);
+
+    sc_bytebuf_destroy(&buf);
+}
+
+static void test_bytebuf_boundaries(void) {
+    struct sc_bytebuf buf;
+    uint8_t data[20];
+
+    bool ok = sc_bytebuf_init(&buf, 20);
+    assert(ok);
+
+    sc_bytebuf_write(&buf, (uint8_t *) "hello ", sizeof("hello ") - 1);
+    assert(sc_bytebuf_can_read(&buf) == 6);
+
+    sc_bytebuf_write(&buf, (uint8_t *) "hello ", sizeof("hello ") - 1);
+    assert(sc_bytebuf_can_read(&buf) == 12);
+
+    sc_bytebuf_write(&buf, (uint8_t *) "hello ", sizeof("hello ") - 1);
+    assert(sc_bytebuf_can_read(&buf) == 18);
+
+    sc_bytebuf_read(&buf, data, 9);
+    assert(!strncmp((char *) data, "hello hel", 9));
+    assert(sc_bytebuf_can_read(&buf) == 9);
+
+    sc_bytebuf_write(&buf, (uint8_t *) "world", sizeof("world") - 1);
+    assert(sc_bytebuf_can_read(&buf) == 14);
+
+    sc_bytebuf_write(&buf, (uint8_t *) "!", 1);
+    assert(sc_bytebuf_can_read(&buf) == 15);
+
+    sc_bytebuf_skip(&buf, 3);
+    assert(sc_bytebuf_can_read(&buf) == 12);
+
+    sc_bytebuf_read(&buf, data, 12);
+    data[12] = '\0';
+    assert(!strcmp((char *) data, "hello world!"));
+    assert(sc_bytebuf_can_read(&buf) == 0);
+
+    sc_bytebuf_destroy(&buf);
+}
+
+static void test_bytebuf_two_steps_write(void) {
+    struct sc_bytebuf buf;
+    uint8_t data[20];
+
+    bool ok = sc_bytebuf_init(&buf, 20);
+    assert(ok);
+
+    sc_bytebuf_write(&buf, (uint8_t *) "hello ", sizeof("hello ") - 1);
+    assert(sc_bytebuf_can_read(&buf) == 6);
+
+    sc_bytebuf_write(&buf, (uint8_t *) "hello ", sizeof("hello ") - 1);
+    assert(sc_bytebuf_can_read(&buf) == 12);
+
+    sc_bytebuf_prepare_write(&buf, (uint8_t *) "hello ", sizeof("hello ") - 1);
+    assert(sc_bytebuf_can_read(&buf) == 12); // write not committed yet
+
+    sc_bytebuf_read(&buf, data, 9);
+    assert(!strncmp((char *) data, "hello hel", 3));
+    assert(sc_bytebuf_can_read(&buf) == 3);
+
+    sc_bytebuf_commit_write(&buf, sizeof("hello ") - 1);
+    assert(sc_bytebuf_can_read(&buf) == 9);
+
+    sc_bytebuf_prepare_write(&buf, (uint8_t *) "world", sizeof("world") - 1);
+    assert(sc_bytebuf_can_read(&buf) == 9); // write not committed yet
+
+    sc_bytebuf_commit_write(&buf, sizeof("world") - 1);
+    assert(sc_bytebuf_can_read(&buf) == 14);
+
+    sc_bytebuf_write(&buf, (uint8_t *) "!", 1);
+    assert(sc_bytebuf_can_read(&buf) == 15);
+
+    sc_bytebuf_skip(&buf, 3);
+    assert(sc_bytebuf_can_read(&buf) == 12);
+
+    sc_bytebuf_read(&buf, data, 12);
+    data[12] = '\0';
+    assert(!strcmp((char *) data, "hello world!"));
+    assert(sc_bytebuf_can_read(&buf) == 0);
+
+    sc_bytebuf_destroy(&buf);
+}
+
+int main(int argc, char *argv[]) {
+    (void) argc;
+    (void) argv;
+
+    test_bytebuf_simple();
+    test_bytebuf_boundaries();
+    test_bytebuf_two_steps_write();
+
+    return 0;
+}

cross_win32.txt

@@ -14,3 +14,8 @@ system = 'windows'
 cpu_family = 'x86'
 cpu = 'i686'
 endian = 'little'
+
+[properties]
+prebuilt_ffmpeg = 'ffmpeg-6.1-scrcpy-2/win32'
+prebuilt_sdl2 = 'SDL2-2.28.4/i686-w64-mingw32'
+prebuilt_libusb = 'libusb-1.0.26/libusb-MinGW-Win32'

cross_win64.txt

@@ -14,3 +14,8 @@ system = 'windows'
 cpu_family = 'x86'
 cpu = 'x86_64'
 endian = 'little'
+
+[properties]
+prebuilt_ffmpeg = 'ffmpeg-6.1-scrcpy-2/win64'
+prebuilt_sdl2 = 'SDL2-2.28.4/x86_64-w64-mingw32'
+prebuilt_libusb = 'libusb-1.0.26/libusb-MinGW-x64'

doc/build.md

@@ -233,10 +233,10 @@ install` must be run as root)._
 
 #### Option 2: Use prebuilt server
 
- - [`scrcpy-server-v2.3.1`][direct-scrcpy-server]  
-   <sub>SHA-256: `f6814822fc308a7a532f253485c9038183c6296a6c5df470a9e383b4f8e7605b`</sub>
+ - [`scrcpy-server-v2.2`][direct-scrcpy-server]  
+   <sub>SHA-256: `c85c4aa84305efb69115cd497a120ebdd10258993b4cf123a8245b3d99d49874`</sub>
 
-[direct-scrcpy-server]: https://github.com/Genymobile/scrcpy/releases/download/v2.3.1/scrcpy-server-v2.3.1
+[direct-scrcpy-server]: https://github.com/Genymobile/scrcpy/releases/download/v2.2/scrcpy-server-v2.2
 
 Download the prebuilt server somewhere, and specify its path during the Meson
 configuration:

doc/camera.md

@@ -18,17 +18,6 @@ scrcpy --video-source=display --audio-source=mic    # force display AND micropho
 scrcpy --video-source=camera --audio-source=output  # force camera AND device audio output
 ```
 
-Audio can be disabled:
-
-```bash
-# audio not captured at all
-scrcpy --video-source=camera --no-audio
-scrcpy --video-source=camera --no-audio --record=file.mp4
-
-# audio captured and recorded, but not played
-scrcpy --video-source=camera --no-audio-playback --record=file.mp4
-```
-
 
 ## List
 

doc/control.md

@@ -85,7 +85,7 @@ way as <kbd>MOD</kbd>+<kbd>Shift</kbd>+<kbd>v</kbd>).
 To disable automatic clipboard synchronization, use
 `--no-clipboard-autosync`.
 
-## Pinch-to-zoom, rotate and tilt simulation
+## Pinch-to-zoom
 
 To simulate "pinch-to-zoom": <kbd>Ctrl</kbd>+_click-and-move_.
 
@@ -93,12 +93,8 @@ More precisely, hold down <kbd>Ctrl</kbd> while pressing the left-click button.
 Until the left-click button is released, all mouse movements scale and rotate
 the content (if supported by the app) relative to the center of the screen.
 
-To simulate a tilt gesture: <kbd>Shift</kbd>+_click-and-move-up-or-down_.
-
 Technically, _scrcpy_ generates additional touch events from a "virtual finger"
-at a location inverted through the center of the screen. When pressing
-<kbd>Ctrl</kbd> the x and y coordinates are inverted. Using <kbd>Shift</kbd>
-only inverts x.
+at a location inverted through the center of the screen.
 
 
 ## Key repeat

doc/shortcuts.md

@@ -49,8 +49,7 @@ _<kbd>[Super]</kbd> is typically the <kbd>Windows</kbd> or <kbd>Cmd</kbd> key._
  | Synchronize clipboards and paste⁵           | <kbd>MOD</kbd>+<kbd>v</kbd>
  | Inject computer clipboard text              | <kbd>MOD</kbd>+<kbd>Shift</kbd>+<kbd>v</kbd>
  | Enable/disable FPS counter (on stdout)      | <kbd>MOD</kbd>+<kbd>i</kbd>
- | Pinch-to-zoom/rotate                        | <kbd>Ctrl</kbd>+_click-and-move_
- | Tilt (slide vertically with 2 fingers)      | <kbd>Shift</kbd>+_click-and-move_
+ | Pinch-to-zoom                               | <kbd>Ctrl</kbd>+_click-and-move_
  | Drag & drop APK file                        | Install APK from computer
  | Drag & drop non-APK file                    | [Push file to device](control.md#push-file-to-device)
 

doc/v4l2.md

@@ -21,13 +21,6 @@ This will create a new video device in `/dev/videoN`, where `N` is an integer
 (more [options](https://github.com/umlaeute/v4l2loopback#options) are available
 to create several devices or devices with specific IDs).
 
-If you encounter problems detecting your device with Chrome/WebRTC, you can try
-`exclusive_caps` mode:
-
-```
-sudo modprobe v4l2loopback exclusive_caps=1
-```
-
 To list the enabled devices:
 
 ```bash

doc/video.md

@@ -130,7 +130,7 @@ scrcpy --orientation=270      # 270° clockwise
 scrcpy --orientation=flip0    # hflip
 scrcpy --orientation=flip90   # hflip + 90° clockwise
 scrcpy --orientation=flip180  # vflip (hflip + 180°)
-scrcpy --orientation=flip270  # hflip + 270° clockwise
+scrcpy --orientation=flip270  # hflip + 270°
 ```
 
 The orientation can be set separately for display and record if necessary, via

doc/windows.md

@@ -4,14 +4,14 @@
 
 Download the [latest release]:
 
- - [`scrcpy-win64-v2.3.1.zip`][direct-win64] (64-bit)  
-   <sub>SHA-256: `f1f78ac98214078425804e524a1bed515b9d4b8a05b78d210a4ced2b910b262d`</sub>
- - [`scrcpy-win32-v2.3.1.zip`][direct-win32] (32-bit)  
-   <sub>SHA-256: `5dffc2d432e9b8b5b0e16f12e71428c37c70d9124cfbe7620df0b41b7efe91ff`</sub>
+ - [`scrcpy-win64-v2.2.zip`][direct-win64] (64-bit)  
+   <sub>SHA-256: `9f9da88ac4c8319dcb9bf852f2d9bba942bac663413383419cddf64eaa5685bd`</sub>
+ - [`scrcpy-win32-v2.2.zip`][direct-win32] (32-bit)  
+   <sub>SHA-256: `cb84269fc847b8b880e320879492a1ae6c017b42175f03e199530f7a53be9d74`</sub>
 
 [latest release]: https://github.com/Genymobile/scrcpy/releases/latest
-[direct-win64]: https://github.com/Genymobile/scrcpy/releases/download/v2.3.1/scrcpy-win64-v2.3.1.zip
-[direct-win32]: https://github.com/Genymobile/scrcpy/releases/download/v2.3.1/scrcpy-win32-v2.3.1.zip
+[direct-win64]: https://github.com/Genymobile/scrcpy/releases/download/v2.2/scrcpy-win64-v2.2.zip
+[direct-win32]: https://github.com/Genymobile/scrcpy/releases/download/v2.2/scrcpy-win32-v2.2.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/v2.3.1/scrcpy-server-v2.3.1
-PREBUILT_SERVER_SHA256=f6814822fc308a7a532f253485c9038183c6296a6c5df470a9e383b4f8e7605b
+PREBUILT_SERVER_URL=https://github.com/Genymobile/scrcpy/releases/download/v2.2/scrcpy-server-v2.2
+PREBUILT_SERVER_SHA256=c85c4aa84305efb69115cd497a120ebdd10258993b4cf123a8245b3d99d49874
 
 echo "[scrcpy] Downloading prebuilt server..."
 wget "$PREBUILT_SERVER_URL" -O scrcpy-server

meson.build

@@ -1,5 +1,5 @@
 project('scrcpy', 'c',
-        version: '2.3.1',
+        version: 'v2.2',
         meson_version: '>= 0.48',
         default_options: [
             'c_std=c11',

release.mk

@@ -69,62 +69,58 @@ prepare-deps:
 	@app/prebuilt-deps/prepare-libusb.sh
 
 build-win32: prepare-deps
-	rm -rf "$(WIN32_BUILD_DIR)"
-	mkdir -p "$(WIN32_BUILD_DIR)/local"
-	cp -r app/prebuilt-deps/data/ffmpeg-6.1-scrcpy-3/win32/. "$(WIN32_BUILD_DIR)/local/"
-	cp -r app/prebuilt-deps/data/SDL2-2.28.5/i686-w64-mingw32/. "$(WIN32_BUILD_DIR)/local/"
-	cp -r app/prebuilt-deps/data/libusb-1.0.26/libusb-MinGW-Win32/. "$(WIN32_BUILD_DIR)/local/"
-	meson setup "$(WIN32_BUILD_DIR)" \
-		--pkg-config-path="$(WIN32_BUILD_DIR)/local/lib/pkgconfig" \
-		-Dc_args="-I$(PWD)/$(WIN32_BUILD_DIR)/local/include" \
-		-Dc_link_args="-L$(PWD)/$(WIN32_BUILD_DIR)/local/lib" \
-		--cross-file=cross_win32.txt \
-		--buildtype=release --strip -Db_lto=true \
-		-Dcompile_server=false \
-		-Dportable=true
+	[ -d "$(WIN32_BUILD_DIR)" ] || ( mkdir "$(WIN32_BUILD_DIR)" && \
+		meson setup "$(WIN32_BUILD_DIR)" \
+			--cross-file cross_win32.txt \
+			--buildtype release --strip -Db_lto=true \
+			-Dcompile_server=false \
+			-Dportable=true )
 	ninja -C "$(WIN32_BUILD_DIR)"
 
 build-win64: prepare-deps
-	rm -rf "$(WIN64_BUILD_DIR)"
-	mkdir -p "$(WIN64_BUILD_DIR)/local"
-	cp -r app/prebuilt-deps/data/ffmpeg-6.1-scrcpy-3/win64/. "$(WIN64_BUILD_DIR)/local/"
-	cp -r app/prebuilt-deps/data/SDL2-2.28.5/x86_64-w64-mingw32/. "$(WIN64_BUILD_DIR)/local/"
-	cp -r app/prebuilt-deps/data/libusb-1.0.26/libusb-MinGW-x64/. "$(WIN64_BUILD_DIR)/local/"
-	meson setup "$(WIN64_BUILD_DIR)" \
-		--pkg-config-path="$(WIN64_BUILD_DIR)/local/lib/pkgconfig" \
-		-Dc_args="-I$(PWD)/$(WIN64_BUILD_DIR)/local/include" \
-		-Dc_link_args="-L$(PWD)/$(WIN64_BUILD_DIR)/local/lib" \
-		--cross-file=cross_win64.txt \
-		--buildtype=release --strip -Db_lto=true \
-		-Dcompile_server=false \
-		-Dportable=true
+	[ -d "$(WIN64_BUILD_DIR)" ] || ( mkdir "$(WIN64_BUILD_DIR)" && \
+		meson setup "$(WIN64_BUILD_DIR)" \
+			--cross-file cross_win64.txt \
+			--buildtype release --strip -Db_lto=true \
+			-Dcompile_server=false \
+			-Dportable=true )
 	ninja -C "$(WIN64_BUILD_DIR)"
 
 dist-win32: build-server build-win32
 	mkdir -p "$(DIST)/$(WIN32_TARGET_DIR)"
 	cp "$(SERVER_BUILD_DIR)"/server/scrcpy-server "$(DIST)/$(WIN32_TARGET_DIR)/"
 	cp "$(WIN32_BUILD_DIR)"/app/scrcpy.exe "$(DIST)/$(WIN32_TARGET_DIR)/"
-	cp app/data/scrcpy-console.bat "$(DIST)/$(WIN32_TARGET_DIR)/"
-	cp app/data/scrcpy-noconsole.vbs "$(DIST)/$(WIN32_TARGET_DIR)/"
-	cp app/data/icon.png "$(DIST)/$(WIN32_TARGET_DIR)/"
-	cp app/data/open_a_terminal_here.bat "$(DIST)/$(WIN32_TARGET_DIR)/"
+	cp app/data/scrcpy-console.bat "$(DIST)/$(WIN32_TARGET_DIR)"
+	cp app/data/scrcpy-noconsole.vbs "$(DIST)/$(WIN32_TARGET_DIR)"
+	cp app/data/icon.png "$(DIST)/$(WIN32_TARGET_DIR)"
+	cp app/data/open_a_terminal_here.bat "$(DIST)/$(WIN32_TARGET_DIR)"
+	cp app/prebuilt-deps/data/ffmpeg-6.1-scrcpy-2/win32/bin/avutil-58.dll "$(DIST)/$(WIN32_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/ffmpeg-6.1-scrcpy-2/win32/bin/avcodec-60.dll "$(DIST)/$(WIN32_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/ffmpeg-6.1-scrcpy-2/win32/bin/avformat-60.dll "$(DIST)/$(WIN32_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/ffmpeg-6.1-scrcpy-2/win32/bin/swresample-4.dll "$(DIST)/$(WIN32_TARGET_DIR)/"
 	cp app/prebuilt-deps/data/platform-tools-34.0.5/adb.exe "$(DIST)/$(WIN32_TARGET_DIR)/"
 	cp app/prebuilt-deps/data/platform-tools-34.0.5/AdbWinApi.dll "$(DIST)/$(WIN32_TARGET_DIR)/"
 	cp app/prebuilt-deps/data/platform-tools-34.0.5/AdbWinUsbApi.dll "$(DIST)/$(WIN32_TARGET_DIR)/"
-	cp "$(WIN32_BUILD_DIR)"/local/bin/*.dll "$(DIST)/$(WIN32_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/SDL2-2.28.4/i686-w64-mingw32/bin/SDL2.dll "$(DIST)/$(WIN32_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/libusb-1.0.26/libusb-MinGW-Win32/bin/msys-usb-1.0.dll "$(DIST)/$(WIN32_TARGET_DIR)/"
 
 dist-win64: build-server build-win64
 	mkdir -p "$(DIST)/$(WIN64_TARGET_DIR)"
 	cp "$(SERVER_BUILD_DIR)"/server/scrcpy-server "$(DIST)/$(WIN64_TARGET_DIR)/"
 	cp "$(WIN64_BUILD_DIR)"/app/scrcpy.exe "$(DIST)/$(WIN64_TARGET_DIR)/"
-	cp app/data/scrcpy-console.bat "$(DIST)/$(WIN64_TARGET_DIR)/"
-	cp app/data/scrcpy-noconsole.vbs "$(DIST)/$(WIN64_TARGET_DIR)/"
-	cp app/data/icon.png "$(DIST)/$(WIN64_TARGET_DIR)/"
-	cp app/data/open_a_terminal_here.bat "$(DIST)/$(WIN64_TARGET_DIR)/"
+	cp app/data/scrcpy-console.bat "$(DIST)/$(WIN64_TARGET_DIR)"
+	cp app/data/scrcpy-noconsole.vbs "$(DIST)/$(WIN64_TARGET_DIR)"
+	cp app/data/icon.png "$(DIST)/$(WIN64_TARGET_DIR)"
+	cp app/data/open_a_terminal_here.bat "$(DIST)/$(WIN64_TARGET_DIR)"
+	cp app/prebuilt-deps/data/ffmpeg-6.1-scrcpy-2/win64/bin/avutil-58.dll "$(DIST)/$(WIN64_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/ffmpeg-6.1-scrcpy-2/win64/bin/avcodec-60.dll "$(DIST)/$(WIN64_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/ffmpeg-6.1-scrcpy-2/win64/bin/avformat-60.dll "$(DIST)/$(WIN64_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/ffmpeg-6.1-scrcpy-2/win64/bin/swresample-4.dll "$(DIST)/$(WIN64_TARGET_DIR)/"
 	cp app/prebuilt-deps/data/platform-tools-34.0.5/adb.exe "$(DIST)/$(WIN64_TARGET_DIR)/"
 	cp app/prebuilt-deps/data/platform-tools-34.0.5/AdbWinApi.dll "$(DIST)/$(WIN64_TARGET_DIR)/"
 	cp app/prebuilt-deps/data/platform-tools-34.0.5/AdbWinUsbApi.dll "$(DIST)/$(WIN64_TARGET_DIR)/"
-	cp "$(WIN64_BUILD_DIR)"/local/bin/*.dll "$(DIST)/$(WIN64_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/SDL2-2.28.4/x86_64-w64-mingw32/bin/SDL2.dll "$(DIST)/$(WIN64_TARGET_DIR)/"
+	cp app/prebuilt-deps/data/libusb-1.0.26/libusb-MinGW-x64/bin/msys-usb-1.0.dll "$(DIST)/$(WIN64_TARGET_DIR)/"
 
 zip-win32: dist-win32
 	cd "$(DIST)"; \

server/build.gradle

@@ -7,8 +7,8 @@ android {
         applicationId "com.genymobile.scrcpy"
         minSdkVersion 21
         targetSdkVersion 34
-        versionCode 20301
-        versionName "2.3.1"
+        versionCode 200
+        versionName "v2.2"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {

server/build_without_gradle.sh

@@ -12,7 +12,7 @@
 set -e
 
 SCRCPY_DEBUG=false
-SCRCPY_VERSION_NAME=2.3.1
+SCRCPY_VERSION_NAME=v2.2
 
 PLATFORM=${ANDROID_PLATFORM:-34}
 BUILD_TOOLS=${ANDROID_BUILD_TOOLS:-34.0.0}

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

@@ -11,8 +11,6 @@ public interface AsyncProcessor {
     }
 
     void start(TerminationListener listener);
-
     void stop();
-
     void join() throws InterruptedException;
 }

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

@@ -153,14 +153,13 @@ public final class AudioCapture {
             previousRecorderTimestamp = timestamp.nanoTime;
         } else {
             if (nextPts == 0) {
-                Ln.w("Could not get initial audio timestamp");
-                nextPts = System.nanoTime() / 1000;
+                Ln.w("Could not get any audio timestamp");
             }
             // compute from previous timestamp and packet size
             pts = nextPts;
         }
 
-        long durationUs = r * 1000000L / (CHANNELS * BYTES_PER_SAMPLE * SAMPLE_RATE);
+        long durationUs = r * 1000000 / (CHANNELS * BYTES_PER_SAMPLE * SAMPLE_RATE);
         nextPts = pts + durationUs;
 
         if (previousPts != 0 && pts < previousPts + ONE_SAMPLE_US) {

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

@@ -289,17 +289,18 @@ public class CameraCapture extends SurfaceCapture {
         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);
-            }
+        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));
-            }
-        });
+                    @Override
+                    public void onConfigureFailed(CameraCaptureSession session) {
+                        future.completeExceptionally(new CameraAccessException(CameraAccessException.CAMERA_ERROR));
+                    }
+                });
 
         camera.createCaptureSession(sessionConfig);
 

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

@@ -146,8 +146,6 @@ public final class CleanUp {
     }
 
     public static void main(String... args) {
-        unlinkSelf();
-
         try {
             // Wait for the server to die
             System.in.read();
@@ -185,9 +183,11 @@ public final class CleanUp {
             } else if (config.restoreNormalPowerMode) {
                 Ln.i("Restoring normal power mode");
                 Device.setScreenPowerMode(Device.POWER_MODE_NORMAL);
+                // Make sure the request is performed before exiting
+                DisplayPowerMode.stopAndJoin();
             }
         }
 
-        System.exit(0);
+        unlinkSelf();
     }
 }

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

@@ -318,8 +318,9 @@ public class Controller implements AsyncProcessor {
             }
         }
 
-        MotionEvent event = MotionEvent.obtain(lastTouchDown, now, action, pointerCount, pointerProperties, pointerCoords, 0, buttons, 1f, 1f,
-                DEFAULT_DEVICE_ID, 0, source, 0);
+        MotionEvent event = MotionEvent
+                .obtain(lastTouchDown, now, action, pointerCount, pointerProperties, pointerCoords, 0, buttons, 1f, 1f, DEFAULT_DEVICE_ID, 0, source,
+                        0);
         return device.injectEvent(event, Device.INJECT_MODE_ASYNC);
     }
 
@@ -340,8 +341,9 @@ public class Controller implements AsyncProcessor {
         coords.setAxisValue(MotionEvent.AXIS_HSCROLL, hScroll);
         coords.setAxisValue(MotionEvent.AXIS_VSCROLL, vScroll);
 
-        MotionEvent event = MotionEvent.obtain(lastTouchDown, now, MotionEvent.ACTION_SCROLL, 1, pointerProperties, pointerCoords, 0, buttons, 1f, 1f,
-                DEFAULT_DEVICE_ID, 0, InputDevice.SOURCE_MOUSE, 0);
+        MotionEvent event = MotionEvent
+                .obtain(lastTouchDown, now, MotionEvent.ACTION_SCROLL, 1, pointerProperties, pointerCoords, 0, buttons, 1f, 1f, DEFAULT_DEVICE_ID, 0,
+                        InputDevice.SOURCE_MOUSE, 0);
         return device.injectEvent(event, Device.INJECT_MODE_ASYNC);
     }
 

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

@@ -1,7 +1,6 @@
 package com.genymobile.scrcpy;
 
 import com.genymobile.scrcpy.wrappers.ClipboardManager;
-import com.genymobile.scrcpy.wrappers.DisplayControl;
 import com.genymobile.scrcpy.wrappers.InputManager;
 import com.genymobile.scrcpy.wrappers.ServiceManager;
 import com.genymobile.scrcpy.wrappers.SurfaceControl;
@@ -12,8 +11,8 @@ import android.graphics.Rect;
 import android.os.Build;
 import android.os.IBinder;
 import android.os.SystemClock;
-import android.view.IDisplayFoldListener;
 import android.view.IRotationWatcher;
+import android.view.IDisplayFoldListener;
 import android.view.InputDevice;
 import android.view.InputEvent;
 import android.view.KeyCharacterMap;
@@ -45,11 +44,11 @@ public final class Device {
         void onClipboardTextChanged(String text);
     }
 
+    private final Size deviceSize;
     private final Rect crop;
     private int maxSize;
     private final int lockVideoOrientation;
 
-    private Size deviceSize;
     private ScreenInfo screenInfo;
     private RotationListener rotationListener;
     private FoldListener foldListener;
@@ -116,8 +115,8 @@ public final class Device {
                             return;
                         }
 
-                        deviceSize = displayInfo.getSize();
-                        screenInfo = ScreenInfo.computeScreenInfo(displayInfo.getRotation(), deviceSize, crop, maxSize, lockVideoOrientation);
+                        screenInfo = ScreenInfo.computeScreenInfo(displayInfo.getRotation(), displayInfo.getSize(), options.getCrop(),
+                                options.getMaxSize(), options.getLockVideoOrientation());
                         // notify
                         if (foldListener != null) {
                             foldListener.onFoldChanged(displayId, folded);
@@ -316,12 +315,16 @@ public final class Device {
      */
     public static boolean setScreenPowerMode(int mode) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
-            // On Android 14, these internal methods have been moved to DisplayControl
-            boolean useDisplayControl =
-                    Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE && !SurfaceControl.hasPhysicalDisplayIdsMethod();
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE && !SurfaceControl.hasPhysicalDisplayIdsMethod()) {
+                // On Android 14+, these internal methods have been moved to system server classes.
+                // Run a separate process with the correct classpath and LD_PRELOAD to change the display power mode.
+                DisplayPowerMode.setRemoteDisplayPowerMode(mode);
+                // The call is asynchronous (we don't want to block)
+                return true;
+            }
 
             // Change the power mode for all physical displays
-            long[] physicalDisplayIds = useDisplayControl ? DisplayControl.getPhysicalDisplayIds() : SurfaceControl.getPhysicalDisplayIds();
+            long[] physicalDisplayIds = SurfaceControl.getPhysicalDisplayIds();
             if (physicalDisplayIds == null) {
                 Ln.e("Could not get physical display ids");
                 return false;
@@ -329,8 +332,7 @@ public final class Device {
 
             boolean allOk = true;
             for (long physicalDisplayId : physicalDisplayIds) {
-                IBinder binder = useDisplayControl ? DisplayControl.getPhysicalDisplayToken(
-                        physicalDisplayId) : SurfaceControl.getPhysicalDisplayToken(physicalDisplayId);
+                IBinder binder = SurfaceControl.getPhysicalDisplayToken(physicalDisplayId);
                 allOk &= SurfaceControl.setDisplayPowerMode(binder, mode);
             }
             return allOk;

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

@@ -51,7 +51,6 @@ public final class DeviceMessageSender {
             }
         }
     }
-
     public void start() {
         thread = new Thread(() -> {
             try {

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

@@ -0,0 +1,161 @@
+package com.genymobile.scrcpy;
+
+import android.annotation.SuppressLint;
+import android.os.IBinder;
+
+import java.io.IOException;
+import java.lang.reflect.Method;
+
+/**
+ * On Android 14, the methods used to turn the device screen off have been moved from SurfaceControl (in framework.jar) to DisplayControl (a system
+ * server class). As a consequence, they could not be called directly. See {@url https://github.com/Genymobile/scrcpy/issues/3927}.
+ * <p>
+ * Instead, run a separate process with a different classpath and LD_PRELOAD just to set the display power mode.
+ * <p>
+ * Since the client must not block, and calling/joining a process is blocking (this specific one takes a few hundred milliseconds to complete),
+ * this class uses an internal thread to execute the requests asynchronously, and serialize them (so that two successive requests are guaranteed to
+ * be executed in order). In addition, it only executes the last pending request (setting power mode to value X then to value Y is equivalent to
+ * just setting it to value Y).
+ */
+public final class DisplayPowerMode {
+
+    private static final Proxy PROXY = new Proxy();
+
+    private static final class Proxy implements Runnable {
+
+        private Thread thread;
+        private int requestedMode = -1;
+        private boolean stopped;
+
+        synchronized void requestMode(int mode) {
+            if (thread == null) {
+                thread = new Thread(this, "DisplayPowerModeProxy");
+                thread.setDaemon(true);
+                thread.start();
+            }
+            requestedMode = mode;
+            notify();
+        }
+
+        void stopAndJoin() {
+            boolean hasThread;
+            synchronized (this) {
+                hasThread = thread != null;
+                if (thread != null) {
+                    stopped = true;
+                    notify();
+                }
+            }
+
+            if (hasThread) {
+                // Join the thread without holding the mutex (that would cause a deadlock)
+                try {
+                    thread.join();
+                } catch (InterruptedException e) {
+                    Ln.e("Thread join interrupted", e);
+                }
+            }
+        }
+
+        @Override
+        public void run() {
+            try {
+                int mode;
+                while (true) {
+                    synchronized (this) {
+                        while (!stopped && requestedMode == -1) {
+                            wait();
+                        }
+                        mode = requestedMode;
+                        requestedMode = -1;
+                    }
+
+                    // Even if stopped, the last request must be executed to restore the display power mode to normal
+                    if (mode == -1) {
+                        return;
+                    }
+
+                    try {
+                        Process process = executeSystemServerSetDisplayPowerMode(mode);
+                        int status = process.waitFor();
+                        if (status != 0) {
+                            Ln.e("Set display power mode failed remotely: status=" + status);
+                        }
+                    } catch (Exception e) {
+                        Ln.e("Failed to execute process", e);
+                    }
+                }
+            } catch (InterruptedException e) {
+                // end of thread
+            }
+        }
+    }
+
+    private DisplayPowerMode() {
+        // not instantiable
+    }
+
+    // Called from the scrcpy process
+    public static void setRemoteDisplayPowerMode(int mode) {
+        PROXY.requestMode(mode);
+    }
+
+    public static void stopAndJoin() {
+        PROXY.stopAndJoin();
+    }
+
+    // Called from the proxy thread in the scrcpy process
+    private static Process executeSystemServerSetDisplayPowerMode(int mode) throws IOException {
+        String[] ldPreloadLibs = {"/system/lib64/libandroid_servers.so"};
+        String[] cmd = {"app_process", "/", DisplayPowerMode.class.getName(), String.valueOf(mode)};
+
+        ProcessBuilder builder = new ProcessBuilder(cmd);
+        builder.environment().put("LD_PRELOAD", String.join(" ", ldPreloadLibs));
+        builder.environment().put("CLASSPATH", Server.SERVER_PATH + ":/system/framework/services.jar");
+        return builder.start();
+    }
+
+    // Executed in the DisplayPowerMode-specific process
+    @SuppressLint({"PrivateApi", "SoonBlockedPrivateApi"})
+    private static void setDisplayPowerModeUsingDisplayControl(int mode) throws Exception {
+        System.loadLibrary("android_servers");
+
+        @SuppressLint("PrivateApi")
+        Class<?> displayControlClass = Class.forName("com.android.server.display.DisplayControl");
+        Method getPhysicalDisplayIdsMethod = displayControlClass.getDeclaredMethod("getPhysicalDisplayIds");
+        Method getPhysicalDisplayTokenMethod = displayControlClass.getDeclaredMethod("getPhysicalDisplayToken", long.class);
+
+        Class<?> surfaceControlClass = Class.forName("android.view.SurfaceControl");
+        Method setDisplayPowerModeMethod = surfaceControlClass.getDeclaredMethod("setDisplayPowerMode", IBinder.class, int.class);
+
+        long[] displayIds = (long[]) getPhysicalDisplayIdsMethod.invoke(null);
+        for (long displayId : displayIds) {
+            Object token = getPhysicalDisplayTokenMethod.invoke(null, displayId);
+            setDisplayPowerModeMethod.invoke(null, token, mode);
+        }
+    }
+
+    public static void main(String... args) {
+        Ln.disableSystemStreams();
+        Ln.initLogLevel(Ln.Level.DEBUG);
+
+        int status = run(args) ? 0 : 1;
+        System.exit(status);
+    }
+
+    private static boolean run(String... args) {
+        if (args.length != 1) {
+            Ln.e("Exactly one argument expected: the value of one of the SurfaceControl.POWER_MODE_* constants (typically 0 or 2)");
+            return false;
+        }
+
+        try {
+            int mode = Integer.parseInt(args[0]);
+            setDisplayPowerModeUsingDisplayControl(mode);
+            return true;
+        } catch (Throwable e) {
+            Ln.e("Could not set display power mode", e);
+            return false;
+        }
+    }
+}

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

@@ -11,7 +11,6 @@ import java.util.List;
 public final class Server {
 
     public static final String SERVER_PATH;
-
     static {
         String[] classPaths = System.getProperty("java.class.path").split(File.pathSeparator);
         // By convention, scrcpy is always executed with the absolute path of scrcpy-server.jar as the first item in the classpath

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

@@ -75,7 +75,7 @@ public final class Settings {
 
         String oldValue = getValue(table, key);
         if (!value.equals(oldValue)) {
-            putValue(table, key, value);
+             putValue(table, key, value);
         }
         return oldValue;
     }

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

@@ -49,7 +49,6 @@ public final class Workarounds {
     }
 
     public static void apply(boolean audio, boolean camera) {
-        boolean mustFillConfigurationController = false;
         boolean mustFillAppInfo = false;
         boolean mustFillAppContext = false;
 
@@ -86,23 +85,11 @@ public final class Workarounds {
             mustFillAppContext = true;
         }
 
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
-            // On some Samsung devices, DisplayManagerGlobal.getDisplayInfoLocked() calls ActivityThread.currentActivityThread().getConfiguration(),
-            // which requires a non-null ConfigurationController.
-            // ConfigurationController was introduced in Android 12, so do not attempt to set it on lower versions.
-            // <https://github.com/Genymobile/scrcpy/issues/4467>
-            mustFillConfigurationController = true;
-        }
-
-        if (mustFillConfigurationController) {
-            // Must be call before fillAppContext() because it is necessary to get a valid system context
-            fillConfigurationController();
-        }
         if (mustFillAppInfo) {
-            fillAppInfo();
+            Workarounds.fillAppInfo();
         }
         if (mustFillAppContext) {
-            fillAppContext();
+            Workarounds.fillAppContext();
         }
     }
 
@@ -162,22 +149,6 @@ public final class Workarounds {
         }
     }
 
-    private static void fillConfigurationController() {
-        try {
-            Class<?> configurationControllerClass = Class.forName("android.app.ConfigurationController");
-            Class<?> activityThreadInternalClass = Class.forName("android.app.ActivityThreadInternal");
-            Constructor<?> configurationControllerConstructor = configurationControllerClass.getDeclaredConstructor(activityThreadInternalClass);
-            configurationControllerConstructor.setAccessible(true);
-            Object configurationController = configurationControllerConstructor.newInstance(ACTIVITY_THREAD);
-
-            Field configurationControllerField = ACTIVITY_THREAD_CLASS.getDeclaredField("mConfigurationController");
-            configurationControllerField.setAccessible(true);
-            configurationControllerField.set(ACTIVITY_THREAD, configurationController);
-        } catch (Throwable throwable) {
-            Ln.d("Could not fill configuration: " + throwable.getMessage());
-        }
-    }
-
     static Context getSystemContext() {
         try {
             Method getSystemContextMethod = ACTIVITY_THREAD_CLASS.getDeclaredMethod("getSystemContext");
@@ -285,28 +256,16 @@ public final class Workarounds {
                     Method getParcelMethod = attributionSourceState.getClass().getDeclaredMethod("getParcel");
                     Parcel attributionSourceParcel = (Parcel) getParcelMethod.invoke(attributionSourceState);
 
-                    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
-                        // private native int native_setup(Object audiorecordThis,
-                        // Object /*AudioAttributes*/ attributes,
-                        // int[] sampleRate, int channelMask, int channelIndexMask, int audioFormat,
-                        // int buffSizeInBytes, int[] sessionId, @NonNull Parcel attributionSource,
-                        // long nativeRecordInJavaObj, int maxSharedAudioHistoryMs);
-                        Method nativeSetupMethod = AudioRecord.class.getDeclaredMethod("native_setup", Object.class, Object.class, int[].class,
-                                int.class, int.class, int.class, int.class, int[].class, Parcel.class, long.class, int.class);
-                        nativeSetupMethod.setAccessible(true);
-                        initResult = (int) nativeSetupMethod.invoke(audioRecord, new WeakReference<AudioRecord>(audioRecord), attributes,
-                                sampleRateArray, channelMask, channelIndexMask, audioRecord.getAudioFormat(), bufferSizeInBytes, session,
-                                attributionSourceParcel, 0L, 0);
-                    } else {
-                        // Android 14 added a new int parameter "halInputFlags"
-                        // <https://github.com/aosp-mirror/platform_frameworks_base/commit/f6135d75db79b1d48fad3a3b3080d37be20a2313>
-                        Method nativeSetupMethod = AudioRecord.class.getDeclaredMethod("native_setup", Object.class, Object.class, int[].class,
-                                int.class, int.class, int.class, int.class, int[].class, Parcel.class, long.class, int.class, int.class);
-                        nativeSetupMethod.setAccessible(true);
-                        initResult = (int) nativeSetupMethod.invoke(audioRecord, new WeakReference<AudioRecord>(audioRecord), attributes,
-                                sampleRateArray, channelMask, channelIndexMask, audioRecord.getAudioFormat(), bufferSizeInBytes, session,
-                                attributionSourceParcel, 0L, 0, 0);
-                    }
+                    // private native int native_setup(Object audiorecordThis,
+                    // Object /*AudioAttributes*/ attributes,
+                    // int[] sampleRate, int channelMask, int channelIndexMask, int audioFormat,
+                    // int buffSizeInBytes, int[] sessionId, @NonNull Parcel attributionSource,
+                    // long nativeRecordInJavaObj, int maxSharedAudioHistoryMs);
+                    Method nativeSetupMethod = AudioRecord.class.getDeclaredMethod("native_setup", Object.class, Object.class, int[].class, int.class,
+                            int.class, int.class, int.class, int[].class, Parcel.class, long.class, int.class);
+                    nativeSetupMethod.setAccessible(true);
+                    initResult = (int) nativeSetupMethod.invoke(audioRecord, new WeakReference<AudioRecord>(audioRecord), attributes, sampleRateArray,
+                            channelMask, channelIndexMask, audioRecord.getAudioFormat(), bufferSizeInBytes, session, attributionSourceParcel, 0L, 0);
                 }
             }
 

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

@@ -41,14 +41,8 @@ public final class ClipboardManager {
                             getPrimaryClipMethod = manager.getClass().getMethod("getPrimaryClip", String.class, String.class, int.class, int.class);
                             getMethodVersion = 2;
                         } catch (NoSuchMethodException e3) {
-                            try {
-                                getPrimaryClipMethod = manager.getClass().getMethod("getPrimaryClip", String.class, int.class, String.class);
-                                getMethodVersion = 3;
-                            } catch (NoSuchMethodException e4) {
-                                getPrimaryClipMethod = manager.getClass()
-                                        .getMethod("getPrimaryClip", String.class, String.class, int.class, int.class, boolean.class);
-                                getMethodVersion = 4;
-                            }
+                            getPrimaryClipMethod = manager.getClass().getMethod("getPrimaryClip", String.class, int.class, String.class);
+                            getMethodVersion = 3;
                         }
                     }
                 }
@@ -93,11 +87,8 @@ public final class ClipboardManager {
                 return (ClipData) method.invoke(manager, FakeContext.PACKAGE_NAME, null, FakeContext.ROOT_UID);
             case 2:
                 return (ClipData) method.invoke(manager, FakeContext.PACKAGE_NAME, null, FakeContext.ROOT_UID, 0);
-            case 3:
-                return (ClipData) method.invoke(manager, FakeContext.PACKAGE_NAME, FakeContext.ROOT_UID, null);
             default:
-                // The last boolean parameter is "userOperate"
-                return (ClipData) method.invoke(manager, FakeContext.PACKAGE_NAME, null, FakeContext.ROOT_UID, 0, true);
+                return (ClipData) method.invoke(manager, FakeContext.PACKAGE_NAME, FakeContext.ROOT_UID, null);
         }
     }
 
@@ -147,8 +138,8 @@ public final class ClipboardManager {
         }
     }
 
-    private static void addPrimaryClipChangedListener(Method method, int methodVersion, IInterface manager, IOnPrimaryClipChangedListener listener)
-            throws InvocationTargetException, IllegalAccessException {
+    private static void addPrimaryClipChangedListener(Method method, int methodVersion, IInterface manager,
+            IOnPrimaryClipChangedListener listener) throws InvocationTargetException, IllegalAccessException {
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
             method.invoke(manager, listener, FakeContext.PACKAGE_NAME);
             return;

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

@@ -1,80 +0,0 @@
-package com.genymobile.scrcpy.wrappers;
-
-import com.genymobile.scrcpy.Ln;
-
-import android.annotation.SuppressLint;
-import android.annotation.TargetApi;
-import android.os.Build;
-import android.os.IBinder;
-
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-
-@SuppressLint({"PrivateApi", "SoonBlockedPrivateApi", "BlockedPrivateApi"})
-@TargetApi(Build.VERSION_CODES.UPSIDE_DOWN_CAKE)
-public final class DisplayControl {
-
-    private static final Class<?> CLASS;
-
-    static {
-        Class<?> displayControlClass = null;
-        try {
-            Class<?> classLoaderFactoryClass = Class.forName("com.android.internal.os.ClassLoaderFactory");
-            Method createClassLoaderMethod = classLoaderFactoryClass.getDeclaredMethod("createClassLoader", String.class, String.class, String.class,
-                    ClassLoader.class, int.class, boolean.class, String.class);
-            ClassLoader classLoader = (ClassLoader) createClassLoaderMethod.invoke(null, "/system/framework/services.jar", null, null,
-                    ClassLoader.getSystemClassLoader(), 0, true, null);
-
-            displayControlClass = classLoader.loadClass("com.android.server.display.DisplayControl");
-
-            Method loadMethod = Runtime.class.getDeclaredMethod("loadLibrary0", Class.class, String.class);
-            loadMethod.setAccessible(true);
-            loadMethod.invoke(Runtime.getRuntime(), displayControlClass, "android_servers");
-        } catch (Throwable e) {
-            Ln.e("Could not initialize DisplayControl", e);
-            // Do not throw an exception here, the methods will fail when they are called
-        }
-        CLASS = displayControlClass;
-    }
-
-    private static Method getPhysicalDisplayTokenMethod;
-    private static Method getPhysicalDisplayIdsMethod;
-
-    private DisplayControl() {
-        // only static methods
-    }
-
-    private static Method getGetPhysicalDisplayTokenMethod() throws NoSuchMethodException {
-        if (getPhysicalDisplayTokenMethod == null) {
-            getPhysicalDisplayTokenMethod = CLASS.getMethod("getPhysicalDisplayToken", long.class);
-        }
-        return getPhysicalDisplayTokenMethod;
-    }
-
-    public static IBinder getPhysicalDisplayToken(long physicalDisplayId) {
-        try {
-            Method method = getGetPhysicalDisplayTokenMethod();
-            return (IBinder) method.invoke(null, physicalDisplayId);
-        } catch (InvocationTargetException | IllegalAccessException | NoSuchMethodException e) {
-            Ln.e("Could not invoke method", e);
-            return null;
-        }
-    }
-
-    private static Method getGetPhysicalDisplayIdsMethod() throws NoSuchMethodException {
-        if (getPhysicalDisplayIdsMethod == null) {
-            getPhysicalDisplayIdsMethod = CLASS.getMethod("getPhysicalDisplayIds");
-        }
-        return getPhysicalDisplayIdsMethod;
-    }
-
-    public static long[] getPhysicalDisplayIds() {
-        try {
-            Method method = getGetPhysicalDisplayIdsMethod();
-            return (long[]) method.invoke(null);
-        } catch (InvocationTargetException | IllegalAccessException | NoSuchMethodException e) {
-            Ln.e("Could not invoke method", e);
-            return null;
-        }
-    }
-}

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

@@ -20,7 +20,7 @@ public final class PowerManager {
     private Method getIsScreenOnMethod() throws NoSuchMethodException {
         if (isScreenOnMethod == null) {
             @SuppressLint("ObsoleteSdkInt") // we may lower minSdkVersion in the future
-            String methodName = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH ? "isInteractive" : "isScreenOn";
+                    String methodName = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH ? "isInteractive" : "isScreenOn";
             isScreenOnMethod = manager.getClass().getMethod(methodName);
         }
         return isScreenOnMethod;

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

@@ -16,7 +16,6 @@ import java.lang.reflect.Method;
 public final class ServiceManager {
 
     private static final Method GET_SERVICE_METHOD;
-
     static {
         try {
             GET_SERVICE_METHOD = Class.forName("android.os.ServiceManager").getDeclaredMethod("getService", String.class);

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

@@ -4,8 +4,8 @@ import com.genymobile.scrcpy.Ln;
 
 import android.annotation.TargetApi;
 import android.os.IInterface;
-import android.view.IDisplayFoldListener;
 import android.view.IRotationWatcher;
+import android.view.IDisplayFoldListener;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;