Synchronize device clipboard to computer

Automatically synchronize the device clipboard to the computer any time
it changes.

This allows seamless copy-paste from Android to the computer.

Fixes #1056 <https://github.com/Genymobile/scrcpy/issues/1056#issuecomment-631363684>

.gitignore

@@ -1,8 +1,5 @@
 build/
 /dist/
-/build-*/
-/build_*/
-/release-*/
 .idea/
 .gradle/
 /x/

BUILD.md

@@ -249,10 +249,10 @@ You can then [run](README.md#run) _scrcpy_.
 
 ## Prebuilt server
 
- - [`scrcpy-server-v1.14`][direct-scrcpy-server]  
-   _(SHA-256: 1d1b18a2b80e956771fd63b99b414d2d028713a8f12ddfa5a369709ad4295620)_
+ - [`scrcpy-server-v1.13`][direct-scrcpy-server]  
+   _(SHA-256: 5fee64ca1ccdc2f38550f31f5353c66de3de30c2e929a964e30fa2d005d5f885)_
 
-[direct-scrcpy-server]: https://github.com/Genymobile/scrcpy/releases/download/v1.14/scrcpy-server-v1.14
+[direct-scrcpy-server]: https://github.com/Genymobile/scrcpy/releases/download/v1.13/scrcpy-server-v1.13
 
 Download the prebuilt server somewhere, and specify its path during the Meson
 configuration:

README.md

@@ -1,4 +1,4 @@
-# scrcpy (v1.14)
+# scrcpy (v1.13)
 
 This application provides display and control of Android devices connected on
 USB (or [over TCP/IP][article-tcpip]). It does not require any _root_ access.
@@ -69,10 +69,10 @@ hard).
 For Windows, for simplicity, a prebuilt archive with all the dependencies
 (including `adb`) is available:
 
- - [`scrcpy-win64-v1.14.zip`][direct-win64]  
-   _(SHA-256: 2be9139e46e29cf2f5f695848bb2b75a543b8f38be1133257dc5068252abc25f)_
+ - [`scrcpy-win64-v1.13.zip`][direct-win64]  
+   _(SHA-256: 806aafc00d4db01513193addaa24f47858893ba5efe75770bfef6ae1ea987d27)_
 
-[direct-win64]: https://github.com/Genymobile/scrcpy/releases/download/v1.14/scrcpy-win64-v1.14.zip
+[direct-win64]: https://github.com/Genymobile/scrcpy/releases/download/v1.13/scrcpy-win64-v1.13.zip
 
 It is also available in [Chocolatey]:
 
@@ -289,22 +289,6 @@ From another terminal:
 scrcpy
 ```
 
-To avoid enabling remote port forwarding, you could force a forward connection
-instead (notice the `-L` instead of `-R`):
-
-```bash
-adb kill-server    # kill the local adb server on 5037
-ssh -CN -L5037:localhost:5037 -L27183:localhost:27183 your_remote_computer
-# keep this open
-```
-
-From another terminal:
-
-```bash
-scrcpy --force-adb-forwrad
-```
-
-
 Like for wireless connections, it may be useful to reduce quality:
 
 ```
@@ -354,7 +338,7 @@ scrcpy --fullscreen
 scrcpy -f  # short version
 ```
 
-Fullscreen can then be toggled dynamically with `RCtrl`+`f`.
+Fullscreen can then be toggled dynamically with `Ctrl`+`f`.
 
 #### Rotation
 
@@ -370,18 +354,18 @@ Possibles values are:
  - `2`: 180 degrees
  - `3`: 90 degrees clockwise
 
-The rotation can also be changed dynamically with `RCtrl`+`←` _(left)_ and
-`RCtrl`+`→` _(right)_.
+The rotation can also be changed dynamically with `Ctrl`+`←` _(left)_ and
+`Ctrl`+`→` _(right)_.
 
 Note that _scrcpy_ manages 3 different rotations:
- - `RCtrl`+`r` requests the device to switch between portrait and landscape (the
+ - `Ctrl`+`r` requests the device to switch between portrait and landscape (the
    current running app may refuse, if it does support the requested
    orientation).
  - `--lock-video-orientation` changes the mirroring orientation (the orientation
    of the video sent from the device to the computer). This affects the
    recording.
- - `--rotation` (or `RCtrl`+`←`/`RCtrl`+`→`) rotates only the window content.
-   This affects only the display, not the recording.
+ - `--rotation` (or `Ctrl`+`←`/`Ctrl`+`→`) rotates only the window content. This
+   affects only the display, not the recording.
 
 
 ### Other mirroring options
@@ -417,7 +401,7 @@ The secondary display may only be controlled if the device runs at least Android
 
 #### Stay awake
 
-To prevent the device to sleep after some delay when the device is plugged in:
+To prevent the device to sleep after some delay:
 
 ```bash
 scrcpy --stay-awake
@@ -437,9 +421,9 @@ scrcpy --turn-screen-off
 scrcpy -S
 ```
 
-Or by pressing `RCtrl`+`o` at any time.
+Or by pressing `Ctrl`+`o` at any time.
 
-To turn it back on, press `RCtrl`+`Shift`+`o` (or `POWER`, `RCtrl`+`p`).
+To turn it back on, press `POWER` (or `Ctrl`+`p`).
 
 It can be useful to also prevent the device to sleep:
 
@@ -483,22 +467,23 @@ Note that it only shows _physical_ touches (with the finger on the device).
 
 #### Rotate device screen
 
-Press `RCtrl`+`r` to switch between portrait and landscape modes.
+Press `Ctrl`+`r` to switch between portrait and landscape modes.
 
 Note that it rotates only if the application in foreground supports the
 requested orientation.
 
 #### Copy-paste
 
-Any time the Android clipboard changes, it is automatically synchronized to the
-computer clipboard.
+It is possible to synchronize clipboards between the computer and the device, in
+both directions:
 
-`Ctrl`+`c` (copy), `Ctrl`+`x` (cut) and `LCtrl`+`v` (paste) work as you expect.
-
-In addition, `RCtrl`+`v` allows to inject the computer clipboard content as a
-sequence of text event. Even if it can break non-ASCII content, this is
-sometimes necessary when pasting directly is not possible.
+ - `Ctrl`+`c` copies the device clipboard to the computer clipboard;
+ - `Ctrl`+`Shift`+`v` copies the computer clipboard to the device clipboard;
+ - `Ctrl`+`v` _pastes_ the computer clipboard as a sequence of text events (but
+   breaks non-ASCII characters).
 
+Moreover, any time the Android clipboard changes, it is automatically
+synchronized to the computer clipboard.
 
 #### Text injection preference
 
@@ -558,34 +543,29 @@ Also see [issue #14].
 
 ## Shortcuts
 
-`RCtrl` is the right `Ctrl` key (the left `Ctrl` key is forwarded to the
-device).
-
-On macOS, `Cmd` also works (for shortcuts which are not already captured by the
-system).
-
- | Action                                      |   Shortcut
- | ------------------------------------------- |:-----------------------------
- | Switch fullscreen mode                      | `RCtrl`+`f`
- | Rotate display left                         | `RCtrl`+`←`
- | Rotate display right                        | `RCtrl`+`→`
- | Resize window to 1:1 (pixel-perfect)        | `RCtrl`+`g`
- | Resize window to remove black borders       | `RCtrl`+`w` \| _Double-click¹_
- | Click on `HOME`                             | `RCtrl`+`h` \| _Middle-click_
- | Click on `BACK`                             | `RCtrl`+`b` \| _Right-click²_
- | Click on `APP_SWITCH`                       | `RCtrl`+`s`
- | Click on `MENU`                             | `RCtrl`+`m`
- | Click on `VOLUME_UP`                        | `RCtrl`+`↑` _(up)_
- | Click on `VOLUME_DOWN`                      | `RCtrl`+`↓` _(down)_
- | Click on `POWER`                            | `RCtrl`+`p`
- | Power on                                    | _Right-click²_
- | Turn device screen off (keep mirroring)     | `RCtrl`+`o`
- | Turn device screen on                       | `RCtrl`+`Shift`+`o`
- | Rotate device screen                        | `RCtrl`+`r`
- | Expand notification panel                   | `RCtrl`+`n`
- | Collapse notification panel                 | `RCtrl`+`Shift`+`n`
- | Inject computer clipboard text              | `RCtrl`+`v`
- | Enable/disable FPS counter (on stdout)      | `RCtrl`+`i`
+ | Action                                 |   Shortcut                    |   Shortcut (macOS)
+ | -------------------------------------- |:----------------------------- |:-----------------------------
+ | Switch fullscreen mode                 | `Ctrl`+`f`                    | `Cmd`+`f`
+ | Rotate display left                    | `Ctrl`+`←` _(left)_           | `Cmd`+`←` _(left)_
+ | Rotate display right                   | `Ctrl`+`→` _(right)_          | `Cmd`+`→` _(right)_
+ | Resize window to 1:1 (pixel-perfect)   | `Ctrl`+`g`                    | `Cmd`+`g`
+ | Resize window to remove black borders  | `Ctrl`+`x` \| _Double-click¹_ | `Cmd`+`x`  \| _Double-click¹_
+ | Click on `HOME`                        | `Ctrl`+`h` \| _Middle-click_  | `Ctrl`+`h` \| _Middle-click_
+ | Click on `BACK`                        | `Ctrl`+`b` \| _Right-click²_  | `Cmd`+`b`  \| _Right-click²_
+ | Click on `APP_SWITCH`                  | `Ctrl`+`s`                    | `Cmd`+`s`
+ | Click on `MENU`                        | `Ctrl`+`m`                    | `Ctrl`+`m`
+ | Click on `VOLUME_UP`                   | `Ctrl`+`↑` _(up)_             | `Cmd`+`↑` _(up)_
+ | Click on `VOLUME_DOWN`                 | `Ctrl`+`↓` _(down)_           | `Cmd`+`↓` _(down)_
+ | Click on `POWER`                       | `Ctrl`+`p`                    | `Cmd`+`p`
+ | Power on                               | _Right-click²_                | _Right-click²_
+ | Turn device screen off (keep mirroring)| `Ctrl`+`o`                    | `Cmd`+`o`
+ | Rotate device screen                   | `Ctrl`+`r`                    | `Cmd`+`r`
+ | Expand notification panel              | `Ctrl`+`n`                    | `Cmd`+`n`
+ | Collapse notification panel            | `Ctrl`+`Shift`+`n`            | `Cmd`+`Shift`+`n`
+ | Copy device clipboard to computer      | `Ctrl`+`c`                    | `Cmd`+`c`
+ | Paste computer clipboard to device     | `Ctrl`+`v`                    | `Cmd`+`v`
+ | Copy computer clipboard to device      | `Ctrl`+`Shift`+`v`            | `Cmd`+`Shift`+`v`
+ | Enable/disable FPS counter (on stdout) | `Ctrl`+`i`                    | `Cmd`+`i`
 
 _¹Double-click on black borders to remove them._  
 _²Right-click turns the screen on if it was off, presses BACK otherwise._

app/meson.build

@@ -164,12 +164,12 @@ if get_option('buildtype') == 'debug'
             'src/cli.c',
             'src/util/str_util.c',
         ]],
-        ['test_control_msg_serialize', [
+        ['test_control_event_serialize', [
             'tests/test_control_msg_serialize.c',
             'src/control_msg.c',
             'src/util/str_util.c',
         ]],
-        ['test_device_msg_deserialize', [
+        ['test_device_event_deserialize', [
             'tests/test_device_msg_deserialize.c',
             'src/device_msg.c',
         ]],

app/scrcpy.1

@@ -25,16 +25,6 @@ Encode the video at the given bit\-rate, expressed in bits/s. Unit suffixes are
 
 Default is 8000000.
 
-.TP
-.BI "\-\-codec\-options " key[:type]=value[,...]
-Set a list of comma-separated key:type=value options for the device encoder.
-
-The possible values for 'type' are 'int' (default), 'long', 'float' and 'string'.
-
-The list of possible codec options is available in the Android documentation
-.UR https://d.android.com/reference/android/media/MediaFormat
-.UE .
-
 .TP
 .BI "\-\-crop " width\fR:\fIheight\fR:\fIx\fR:\fIy
 Crop the device screen on the server.
@@ -52,10 +42,6 @@ The list of possible display ids can be listed by "adb shell dumpsys display"
 
 Default is 0.
 
-.TP
-.B \-\-force\-adb\-forward
-Do not attempt to use "adb reverse" to connect to the device.
-
 .TP
 .B \-f, \-\-fullscreen
 Start in fullscreen.
@@ -129,7 +115,6 @@ Force recording format (either mp4 or mkv).
 Request SDL to use the given render driver (this is just a hint).
 
 Supported names are currently "direct3d", "opengl", "opengles2", "opengles", "metal" and "software".
-
 .UR https://wiki.libsdl.org/SDL_HINT_RENDER_DRIVER
 .UE
 
@@ -151,7 +136,7 @@ Turn the device screen off immediately.
 
 .TP
 .B \-t, \-\-show\-touches
-Enable "show touches" on start, restore the initial value on exit.
+Enable "show touches" on start, restore the initial value on exit..
 
 It only shows physical touches (not clicks from scrcpy).
 
@@ -159,15 +144,9 @@ It only shows physical touches (not clicks from scrcpy).
 .B \-v, \-\-version
 Print the version of scrcpy.
 
-.TP
-.BI "\-V, \-\-verbosity " value
-Set the log level ("debug", "info", "warn" or "error").
-
-Default is "info" for release builds, "debug" for debug builds.
-
 .TP
 .B \-w, \-\-stay-awake
-Keep the device on while scrcpy is running, when the device is plugged in.
+Keep the device on while scrcpy is running.
 
 .TP
 .B \-\-window\-borderless
@@ -203,54 +182,52 @@ Default is 0 (automatic).\n
 
 .SH SHORTCUTS
 
-RCtrl is the right Ctrl key (the left Ctrl key is forwarded to the device).
-
 .TP
-.B RCtrl+f
+.B Ctrl+f
 Switch fullscreen mode
 
 .TP
-.B RCtrl+Left
+.B Ctrl+Left
 Rotate display left
 
 .TP
-.B RCtrl+Right
+.B Ctrl+Right
 Rotate display right
 
 .TP
-.B RCtrl+g
+.B Ctrl+g
 Resize window to 1:1 (pixel\-perfect)
 
 .TP
-.B RCtrl+w, Double\-click on black borders
+.B Ctrl+x, Double\-click on black borders
 Resize window to remove black borders
 
 .TP
-.B RCtrl+h, Home, Middle\-click
+.B Ctrl+h, Home, Middle\-click
 Click on HOME
 
 .TP
-.B RCtrl+b, RCtrl+Backspace, Right\-click (when screen is on)
+.B Ctrl+b, Ctrl+Backspace, Right\-click (when screen is on)
 Click on BACK
 
 .TP
-.B RCtrl+s
+.B Ctrl+s
 Click on APP_SWITCH
 
 .TP
-.B RCtrl+m
+.B Ctrl+m
 Click on MENU
 
 .TP
-.B RCtrl+Up
+.B Ctrl+Up
 Click on VOLUME_UP
 
 .TP
-.B RCtrl+Down
+.B Ctrl+Down
 Click on VOLUME_DOWN
 
 .TP
-.B RCtrl+p
+.B Ctrl+p
 Click on POWER (turn screen on/off)
 
 .TP
@@ -258,31 +235,35 @@ Click on POWER (turn screen on/off)
 Turn screen on
 
 .TP
-.B RCtrl+o
+.B Ctrl+o
 Turn device screen off (keep mirroring)
 
 .TP
-.B RCtrl+Shift+o
-Turn device screen on
-
-.TP
-.B RCtrl+r
+.B Ctrl+r
 Rotate device screen
 
 .TP
-.B RCtrl+n
+.B Ctrl+n
 Expand notification panel
 
 .TP
-.B RCtrl+Shift+n
+.B Ctrl+Shift+n
 Collapse notification panel
 
 .TP
-.B RCtrl+v
-Inject computer clipboard text
+.B Ctrl+c
+Copy device clipboard to computer
 
 .TP
-.B RCtrl+i
+.B Ctrl+v
+Paste computer clipboard to device
+
+.TP
+.B Ctrl+Shift+v
+Copy computer clipboard to device
+
+.TP
+.B Ctrl+i
 Enable/disable FPS counter (print frames/second in logs)
 
 .TP

app/src/cli.c

@@ -12,6 +12,11 @@
 
 void
 scrcpy_print_usage(const char *arg0) {
+#ifdef __APPLE__
+# define CTRL_OR_CMD "Cmd"
+#else
+# define CTRL_OR_CMD "Ctrl"
+#endif
     fprintf(stderr,
         "Usage: %s [options]\n"
         "\n"
@@ -25,15 +30,6 @@ scrcpy_print_usage(const char *arg0) {
         "        Unit suffixes are supported: 'K' (x1000) and 'M' (x1000000).\n"
         "        Default is %d.\n"
         "\n"
-        "    --codec-options key[:type]=value[,...]\n"
-        "        Set a list of comma-separated key:type=value options for the\n"
-        "        device encoder.\n"
-        "        The possible values for 'type' are 'int' (default), 'long',\n"
-        "        'float' and 'string'.\n"
-        "        The list of possible codec options is available in the\n"
-        "        Android documentation:\n"
-        "        <https://d.android.com/reference/android/media/MediaFormat>\n"
-        "\n"
         "    --crop width:height:x:y\n"
         "        Crop the device screen on the server.\n"
         "        The values are expressed in the device natural orientation\n"
@@ -49,10 +45,6 @@ scrcpy_print_usage(const char *arg0) {
         "\n"
         "        Default is 0.\n"
         "\n"
-        "    --force-adb-forward\n"
-        "        Do not attempt to use \"adb reverse\" to connect to the\n"
-        "        the device.\n"
-        "\n"
         "    -f, --fullscreen\n"
         "        Start in fullscreen.\n"
         "\n"
@@ -144,18 +136,9 @@ scrcpy_print_usage(const char *arg0) {
         "\n"
         "    -v, --version\n"
         "        Print the version of scrcpy.\n"
-        "\n"
-        "    -V, --verbosity value\n"
-        "        Set the log level (debug, info, warn or error).\n"
-#ifndef NDEBUG
-        "        Default is debug.\n"
-#else
-        "        Default is info.\n"
-#endif
         "\n"
         "    -w, --stay-awake\n"
-        "        Keep the device on while scrcpy is running, when the device\n"
-        "        is plugged in.\n"
+        "        Keep the device on while scrcpy is running.\n"
         "\n"
         "    --window-borderless\n"
         "        Disable window decorations (display borderless window).\n"
@@ -181,71 +164,71 @@ scrcpy_print_usage(const char *arg0) {
         "\n"
         "Shortcuts:\n"
         "\n"
-        "    RCtrl is the right Ctrl key (the left Ctrl key is forwarded to\n"
-        "    the device.\n"
-        "\n"
-        "    RCtrl+f\n"
+        "    " CTRL_OR_CMD "+f\n"
         "        Switch fullscreen mode\n"
         "\n"
-        "    RCtrl+Left\n"
+        "    " CTRL_OR_CMD "+Left\n"
         "        Rotate display left\n"
         "\n"
-        "    RCtrl+Right\n"
+        "    " CTRL_OR_CMD "+Right\n"
         "        Rotate display right\n"
         "\n"
-        "    RCtrl+g\n"
+        "    " CTRL_OR_CMD "+g\n"
         "        Resize window to 1:1 (pixel-perfect)\n"
         "\n"
-        "    RCtrl+w\n"
+        "    " CTRL_OR_CMD "+x\n"
         "    Double-click on black borders\n"
         "        Resize window to remove black borders\n"
         "\n"
-        "    RCtrl+h\n"
+        "    Ctrl+h\n"
         "    Middle-click\n"
         "        Click on HOME\n"
         "\n"
-        "    RCtrl+b\n"
-        "    RCtrl+Backspace\n"
+        "    " CTRL_OR_CMD "+b\n"
+        "    " CTRL_OR_CMD "+Backspace\n"
         "    Right-click (when screen is on)\n"
         "        Click on BACK\n"
         "\n"
-        "    RCtrl+s\n"
+        "    " CTRL_OR_CMD "+s\n"
         "        Click on APP_SWITCH\n"
         "\n"
-        "    RCtrl+m\n"
+        "    Ctrl+m\n"
         "        Click on MENU\n"
         "\n"
-        "    RCtrl+Up\n"
+        "    " CTRL_OR_CMD "+Up\n"
         "        Click on VOLUME_UP\n"
         "\n"
-        "    RCtrl+Down\n"
+        "    " CTRL_OR_CMD "+Down\n"
         "        Click on VOLUME_DOWN\n"
         "\n"
-        "    RCtrl+p\n"
+        "    " CTRL_OR_CMD "+p\n"
         "        Click on POWER (turn screen on/off)\n"
         "\n"
         "    Right-click (when screen is off)\n"
         "        Power on\n"
         "\n"
-        "    RCtrl+o\n"
+        "    " CTRL_OR_CMD "+o\n"
         "        Turn device screen off (keep mirroring)\n"
         "\n"
-        "    RCtrl+Shift+o\n"
-        "        Turn device screen on\n"
-        "\n"
-        "    RCtrl+r\n"
+        "    " CTRL_OR_CMD "+r\n"
         "        Rotate device screen\n"
         "\n"
-        "    RCtrl+n\n"
+        "    " CTRL_OR_CMD "+n\n"
         "        Expand notification panel\n"
         "\n"
-        "    RCtrl+Shift+n\n"
+        "    " CTRL_OR_CMD "+Shift+n\n"
         "        Collapse notification panel\n"
         "\n"
-        "    RCtrl+v\n"
-        "        Inject computer clipboard text\n"
+        "    " CTRL_OR_CMD "+c\n"
+        "        Copy device clipboard to computer\n"
         "\n"
-        "    RCtrl+i\n"
+        "    " CTRL_OR_CMD "+v\n"
+        "        Paste computer clipboard to device\n"
+        "\n"
+        "    " CTRL_OR_CMD "+Shift+v\n"
+        "        Copy computer clipboard to device\n"
+        "\n"
+        "    " CTRL_OR_CMD "+i\n"
         "        Enable/disable FPS counter (print frames/second in logs)\n"
         "\n"
         "    Drag & drop APK file\n"
@@ -441,32 +424,6 @@ parse_display_id(const char *s, uint16_t *display_id) {
     return true;
 }
 
-static bool
-parse_log_level(const char *s, enum sc_log_level *log_level) {
-    if (!strcmp(s, "debug")) {
-        *log_level = SC_LOG_LEVEL_DEBUG;
-        return true;
-    }
-
-    if (!strcmp(s, "info")) {
-        *log_level = SC_LOG_LEVEL_INFO;
-        return true;
-    }
-
-    if (!strcmp(s, "warn")) {
-        *log_level = SC_LOG_LEVEL_WARN;
-        return true;
-    }
-
-    if (!strcmp(s, "error")) {
-        *log_level = SC_LOG_LEVEL_ERROR;
-        return true;
-    }
-
-    LOGE("Could not parse log level: %s", s);
-    return false;
-}
-
 static bool
 parse_record_format(const char *optarg, enum recorder_format *format) {
     if (!strcmp(optarg, "mp4")) {
@@ -515,19 +472,14 @@ guess_record_format(const char *filename) {
 #define OPT_ROTATION               1015
 #define OPT_RENDER_DRIVER          1016
 #define OPT_NO_MIPMAPS             1017
-#define OPT_CODEC_OPTIONS          1018
-#define OPT_FORCE_ADB_FORWARD      1019
 
 bool
 scrcpy_parse_args(struct scrcpy_cli_args *args, int argc, char *argv[]) {
     static const struct option long_options[] = {
         {"always-on-top",          no_argument,       NULL, OPT_ALWAYS_ON_TOP},
         {"bit-rate",               required_argument, NULL, 'b'},
-        {"codec-options",          required_argument, NULL, OPT_CODEC_OPTIONS},
         {"crop",                   required_argument, NULL, OPT_CROP},
         {"display",                required_argument, NULL, OPT_DISPLAY_ID},
-        {"force-adb-forward",      no_argument,       NULL,
-                                                  OPT_FORCE_ADB_FORWARD},
         {"fullscreen",             no_argument,       NULL, 'f'},
         {"help",                   no_argument,       NULL, 'h'},
         {"lock-video-orientation", required_argument, NULL,
@@ -550,7 +502,6 @@ scrcpy_parse_args(struct scrcpy_cli_args *args, int argc, char *argv[]) {
         {"show-touches",           no_argument,       NULL, 't'},
         {"stay-awake",             no_argument,       NULL, 'w'},
         {"turn-screen-off",        no_argument,       NULL, 'S'},
-        {"verbosity",              required_argument, NULL, 'V'},
         {"version",                no_argument,       NULL, 'v'},
         {"window-title",           required_argument, NULL, OPT_WINDOW_TITLE},
         {"window-x",               required_argument, NULL, OPT_WINDOW_X},
@@ -567,8 +518,8 @@ scrcpy_parse_args(struct scrcpy_cli_args *args, int argc, char *argv[]) {
     optind = 0; // reset to start from the first argument in tests
 
     int c;
-    while ((c = getopt_long(argc, argv, "b:c:fF:hm:nNp:r:s:StTvV:w",
-                            long_options, NULL)) != -1) {
+    while ((c = getopt_long(argc, argv, "b:c:fF:hm:nNp:r:s:StTvw", long_options,
+                            NULL)) != -1) {
         switch (c) {
             case 'b':
                 if (!parse_bit_rate(optarg, &opts->bit_rate)) {
@@ -647,11 +598,6 @@ scrcpy_parse_args(struct scrcpy_cli_args *args, int argc, char *argv[]) {
             case 'v':
                 args->version = true;
                 break;
-            case 'V':
-                if (!parse_log_level(optarg, &opts->log_level)) {
-                    return false;
-                }
-                break;
             case 'w':
                 opts->stay_awake = true;
                 break;
@@ -701,12 +647,6 @@ scrcpy_parse_args(struct scrcpy_cli_args *args, int argc, char *argv[]) {
             case OPT_NO_MIPMAPS:
                 opts->mipmaps = false;
                 break;
-            case OPT_CODEC_OPTIONS:
-                opts->codec_options = optarg;
-                break;
-            case OPT_FORCE_ADB_FORWARD:
-                opts->force_adb_forward = true;
-                break;
             default:
                 // getopt prints the error message on stderr
                 return false;

app/src/control_msg.c

@@ -20,9 +20,9 @@ write_position(uint8_t *buf, const struct position *position) {
 static size_t
 write_string(const char *utf8, size_t max_len, unsigned char *buf) {
     size_t len = utf8_truncation_index(utf8, max_len);
-    buffer_write32be(buf, len);
-    memcpy(&buf[4], utf8, len);
-    return 4 + len;
+    buffer_write16be(buf, (uint16_t) len);
+    memcpy(&buf[2], utf8, len);
+    return 2 + len;
 }
 
 static uint16_t
@@ -67,7 +67,7 @@ control_msg_serialize(const struct control_msg *msg, unsigned char *buf) {
                              (uint32_t) msg->inject_scroll_event.vscroll);
             return 21;
         case CONTROL_MSG_TYPE_SET_CLIPBOARD: {
-            size_t len = write_string(msg->set_clipboard.text,
+            size_t len = write_string(msg->inject_text.text,
                                       CONTROL_MSG_CLIPBOARD_TEXT_MAX_LENGTH,
                                       &buf[1]);
             return 1 + len;

app/src/control_msg.h

@@ -10,11 +10,10 @@
 #include "android/keycodes.h"
 #include "common.h"
 
-#define CONTROL_MSG_MAX_SIZE (1 << 18) // 256k
-
 #define CONTROL_MSG_INJECT_TEXT_MAX_LENGTH 300
-// type: 1 byte; length: 4 bytes
-#define CONTROL_MSG_CLIPBOARD_TEXT_MAX_LENGTH (CONTROL_MSG_MAX_SIZE - 5)
+#define CONTROL_MSG_CLIPBOARD_TEXT_MAX_LENGTH 4093
+#define CONTROL_MSG_SERIALIZED_MAX_SIZE \
+    (3 + CONTROL_MSG_CLIPBOARD_TEXT_MAX_LENGTH)
 
 #define POINTER_ID_MOUSE UINT64_C(-1);
 
@@ -70,7 +69,7 @@ struct control_msg {
     };
 };
 
-// buf size must be at least CONTROL_MSG_MAX_SIZE
+// buf size must be at least CONTROL_MSG_SERIALIZED_MAX_SIZE
 // return the number of bytes written
 size_t
 control_msg_serialize(const struct control_msg *msg, unsigned char *buf);

app/src/controller.c

@@ -60,7 +60,7 @@ controller_push_msg(struct controller *controller,
 static bool
 process_msg(struct controller *controller,
               const struct control_msg *msg) {
-    static unsigned char serialized_msg[CONTROL_MSG_MAX_SIZE];
+    unsigned char serialized_msg[CONTROL_MSG_SERIALIZED_MAX_SIZE];
     int length = control_msg_serialize(msg, serialized_msg);
     if (!length) {
         return false;

app/src/device_msg.c

@@ -9,7 +9,7 @@
 ssize_t
 device_msg_deserialize(const unsigned char *buf, size_t len,
                        struct device_msg *msg) {
-    if (len < 5) {
+    if (len < 3) {
         // at least type + empty string length
         return 0; // not available
     }
@@ -17,8 +17,8 @@ device_msg_deserialize(const unsigned char *buf, size_t len,
     msg->type = buf[0];
     switch (msg->type) {
         case DEVICE_MSG_TYPE_CLIPBOARD: {
-            size_t clipboard_len = buffer_read32be(&buf[1]);
-            if (clipboard_len > len - 5) {
+            uint16_t clipboard_len = buffer_read16be(&buf[1]);
+            if (clipboard_len > len - 3) {
                 return 0; // not available
             }
             char *text = SDL_malloc(clipboard_len + 1);
@@ -27,12 +27,12 @@ device_msg_deserialize(const unsigned char *buf, size_t len,
                 return -1;
             }
             if (clipboard_len) {
-                memcpy(text, &buf[5], clipboard_len);
+                memcpy(text, &buf[3], clipboard_len);
             }
             text[clipboard_len] = '\0';
 
             msg->clipboard.text = text;
-            return 5 + clipboard_len;
+            return 3 + clipboard_len;
         }
         default:
             LOGW("Unknown device message type: %d", (int) msg->type);

app/src/device_msg.h

@@ -7,9 +7,8 @@
 
 #include "config.h"
 
-#define DEVICE_MSG_MAX_SIZE (1 << 18) // 256k
-// type: 1 byte; length: 4 bytes
-#define DEVICE_MSG_TEXT_MAX_LENGTH (DEVICE_MSG_MAX_SIZE - 5)
+#define DEVICE_MSG_TEXT_MAX_LENGTH 4093
+#define DEVICE_MSG_SERIALIZED_MAX_SIZE (3 + DEVICE_MSG_TEXT_MAX_LENGTH)
 
 enum device_msg_type {
     DEVICE_MSG_TYPE_CLIPBOARD,

app/src/event_converter.c

@@ -92,9 +92,6 @@ convert_keycode(SDL_Keycode from, enum android_keycode *to, uint16_t mod,
         MAP(SDLK_LEFT,         AKEYCODE_DPAD_LEFT);
         MAP(SDLK_DOWN,         AKEYCODE_DPAD_DOWN);
         MAP(SDLK_UP,           AKEYCODE_DPAD_UP);
-        MAP(SDLK_LCTRL,        AKEYCODE_CTRL_LEFT);
-        MAP(SDLK_LSHIFT,       AKEYCODE_SHIFT_LEFT);
-        MAP(SDLK_RSHIFT,       AKEYCODE_SHIFT_RIGHT);
     }
 
     if (!(mod & (KMOD_NUM | KMOD_SHIFT))) {
@@ -114,7 +111,7 @@ convert_keycode(SDL_Keycode from, enum android_keycode *to, uint16_t mod,
         }
     }
 
-    if (prefer_text && !(mod & KMOD_LCTRL)) {
+    if (prefer_text) {
         // do not forward alpha and space key events
         return false;
     }

app/src/input_manager.c

@@ -101,6 +101,16 @@ collapse_notification_panel(struct controller *controller) {
     }
 }
 
+static void
+request_device_clipboard(struct controller *controller) {
+    struct control_msg msg;
+    msg.type = CONTROL_MSG_TYPE_GET_CLIPBOARD;
+
+    if (!controller_push_msg(controller, &msg)) {
+        LOGW("Could not request device clipboard");
+    }
+}
+
 static void
 set_device_clipboard(struct controller *controller) {
     char *text = SDL_GetClipboardText();
@@ -241,25 +251,6 @@ convert_input_key(const SDL_KeyboardEvent *from, struct control_msg *to,
     return true;
 }
 
-static void
-inject_as_ctrl(struct input_manager *im, const SDL_KeyboardEvent *event) {
-    struct control_msg msg;
-
-    if (!convert_input_key(event, &msg, false)) {
-        return;
-    }
-
-    // Disable RCtrl and Meta
-    msg.inject_keycode.metastate &=
-        ~(AMETA_CTRL_RIGHT_ON | AMETA_META_LEFT_ON | AMETA_META_RIGHT_ON);
-    // Enable LCtrl
-    msg.inject_keycode.metastate |= AMETA_CTRL_LEFT_ON;
-
-    if (!controller_push_msg(im->controller, &msg)) {
-        LOGW("Could not request 'inject keycode'");
-    }
-}
-
 void
 input_manager_process_key(struct input_manager *im,
                           const SDL_KeyboardEvent *event,
@@ -267,127 +258,134 @@ input_manager_process_key(struct input_manager *im,
     // control: indicates the state of the command-line option --no-control
     // ctrl: the Ctrl key
 
-    bool lctrl = event->keysym.mod & KMOD_LCTRL;
-    bool rctrl = event->keysym.mod & KMOD_RCTRL;
+    bool ctrl = event->keysym.mod & (KMOD_LCTRL | KMOD_RCTRL);
     bool alt = event->keysym.mod & (KMOD_LALT | KMOD_RALT);
     bool meta = event->keysym.mod & (KMOD_LGUI | KMOD_RGUI);
-    bool shift = event->keysym.mod & (KMOD_LSHIFT | KMOD_RSHIFT);
 
-    bool shortcut_key = rctrl;
+    // use Cmd on macOS, Ctrl on other platforms
 #ifdef __APPLE__
-    shortcut_key |= meta;
+    bool cmd = !ctrl && meta;
 #else
     if (meta) {
-        // No shortcut involve Meta, and it is not forwarded to the device
+        // no shortcuts involve Meta on platforms other than macOS, and it must
+        // not be forwarded to the device
         return;
     }
+    bool cmd = ctrl; // && !meta, already guaranteed
 #endif
 
     if (alt) {
-        // No shortcuts involve Alt, and it is not forwarded to the device
+        // no shortcuts involve Alt, and it must not be forwarded to the device
         return;
     }
 
     struct controller *controller = im->controller;
 
-    SDL_Keycode keycode = event->keysym.sym;
-    bool down = event->type == SDL_KEYDOWN;
-
-    // Capture all RCtrl events
-    if (shortcut_key) {
+    // capture all Ctrl events
+    if (ctrl || cmd) {
+        SDL_Keycode keycode = event->keysym.sym;
+        bool down = event->type == SDL_KEYDOWN;
         int action = down ? ACTION_DOWN : ACTION_UP;
         bool repeat = event->repeat;
+        bool shift = event->keysym.mod & (KMOD_LSHIFT | KMOD_RSHIFT);
         switch (keycode) {
             case SDLK_h:
                 // Ctrl+h on all platform, since Cmd+h is already captured by
                 // the system on macOS to hide the window
-                if (control && !shift && !repeat) {
+                if (control && ctrl && !meta && !shift && !repeat) {
                     action_home(controller, action);
                 }
                 return;
             case SDLK_b: // fall-through
             case SDLK_BACKSPACE:
-                if (control && !shift && !repeat) {
+                if (control && cmd && !shift && !repeat) {
                     action_back(controller, action);
                 }
                 return;
             case SDLK_s:
-                if (control && !shift && !repeat) {
+                if (control && cmd && !shift && !repeat) {
                     action_app_switch(controller, action);
                 }
                 return;
             case SDLK_m:
                 // Ctrl+m on all platform, since Cmd+m is already captured by
                 // the system on macOS to minimize the window
-                if (control && !shift && !repeat) {
+                if (control && ctrl && !meta && !shift && !repeat) {
                     action_menu(controller, action);
                 }
                 return;
             case SDLK_p:
-                if (control && !shift && !repeat) {
+                if (control && cmd && !shift && !repeat) {
                     action_power(controller, action);
                 }
                 return;
             case SDLK_o:
-                if (control && !repeat && down) {
-                    enum screen_power_mode mode = shift
-                                                ? SCREEN_POWER_MODE_NORMAL
-                                                : SCREEN_POWER_MODE_OFF;
-                    set_screen_power_mode(controller, mode);
+                if (control && cmd && !shift && down) {
+                    set_screen_power_mode(controller, SCREEN_POWER_MODE_OFF);
                 }
                 return;
             case SDLK_DOWN:
-                if (control && !shift) {
+                if (control && cmd && !shift) {
                     // forward repeated events
                     action_volume_down(controller, action);
                 }
                 return;
             case SDLK_UP:
-                if (control && !shift) {
+                if (control && cmd && !shift) {
                     // forward repeated events
                     action_volume_up(controller, action);
                 }
                 return;
             case SDLK_LEFT:
-                if (!shift && !repeat && down) {
+                if (cmd && !shift && down) {
                     rotate_client_left(im->screen);
                 }
                 return;
             case SDLK_RIGHT:
-                if (!shift && !repeat && down) {
+                if (cmd && !shift && down) {
                     rotate_client_right(im->screen);
                 }
                 return;
+            case SDLK_c:
+                if (control && cmd && !shift && !repeat && down) {
+                    request_device_clipboard(controller);
+                }
+                return;
             case SDLK_v:
-                if (control && !shift && !repeat && down) {
-                    // Inject the text as input events
-                    clipboard_paste(controller);
+                if (control && cmd && !repeat && down) {
+                    if (shift) {
+                        // store the text in the device clipboard
+                        set_device_clipboard(controller);
+                    } else {
+                        // inject the text as input events
+                        clipboard_paste(controller);
+                    }
                 }
                 return;
             case SDLK_f:
-                if (!shift && !repeat && down) {
+                if (!shift && cmd && !repeat && down) {
                     screen_switch_fullscreen(im->screen);
                 }
                 return;
-            case SDLK_w:
-                if (!shift && !repeat && down) {
+            case SDLK_x:
+                if (!shift && cmd && !repeat && down) {
                     screen_resize_to_fit(im->screen);
                 }
                 return;
             case SDLK_g:
-                if (!shift && !repeat && down) {
+                if (!shift && cmd && !repeat && down) {
                     screen_resize_to_pixel_perfect(im->screen);
                 }
                 return;
             case SDLK_i:
-                if (!shift && !repeat && down) {
+                if (!shift && cmd && !repeat && down) {
                     struct fps_counter *fps_counter =
                         im->video_buffer->fps_counter;
                     switch_fps_counter_state(fps_counter);
                 }
                 return;
             case SDLK_n:
-                if (control && !repeat && down) {
+                if (control && cmd && !repeat && down) {
                     if (shift) {
                         collapse_notification_panel(controller);
                     } else {
@@ -396,19 +394,10 @@ input_manager_process_key(struct input_manager *im,
                 }
                 return;
             case SDLK_r:
-                if (control && !shift && !repeat && down) {
+                if (control && cmd && !shift && !repeat && down) {
                     rotate_device(controller);
                 }
                 return;
-            case SDLK_c:
-            case SDLK_x:
-                if (control && !shift) {
-                    // For convenience, forward shortcut_key+c and
-                    // shortcut_key+x as Ctrl+c and Ctrl+x (typically "copy" and
-                    // "cut", but not always) to the device
-                    inject_as_ctrl(im, event);
-                }
-                return;
         }
 
         return;
@@ -418,12 +407,6 @@ input_manager_process_key(struct input_manager *im,
         return;
     }
 
-    if (lctrl && !shift && keycode == SDLK_v && down) {
-        // Synchronize the computer clipboard to the device clipboard before
-        // sending Ctrl+V, to allow seamless copy-paste.
-        set_device_clipboard(controller);
-    }
-
     struct control_msg msg;
     if (convert_input_key(event, &msg, im->prefer_text)) {
         if (!controller_push_msg(controller, &msg)) {

app/src/main.c

@@ -29,24 +29,6 @@ print_version(void) {
                                                LIBAVUTIL_VERSION_MICRO);
 }
 
-static SDL_LogPriority
-convert_log_level_to_sdl(enum sc_log_level level) {
-    switch (level) {
-        case SC_LOG_LEVEL_DEBUG:
-            return SDL_LOG_PRIORITY_DEBUG;
-        case SC_LOG_LEVEL_INFO:
-            return SDL_LOG_PRIORITY_INFO;
-        case SC_LOG_LEVEL_WARN:
-            return SDL_LOG_PRIORITY_WARN;
-        case SC_LOG_LEVEL_ERROR:
-            return SDL_LOG_PRIORITY_ERROR;
-        default:
-            assert(!"unexpected log level");
-            return SDL_LOG_PRIORITY_INFO;
-    }
-}
-
-
 int
 main(int argc, char *argv[]) {
 #ifdef __WINDOWS__
@@ -56,23 +38,20 @@ main(int argc, char *argv[]) {
     setbuf(stderr, NULL);
 #endif
 
+#ifndef NDEBUG
+    SDL_LogSetAllPriority(SDL_LOG_PRIORITY_DEBUG);
+#endif
+
     struct scrcpy_cli_args args = {
         .opts = SCRCPY_OPTIONS_DEFAULT,
         .help = false,
         .version = false,
     };
 
-#ifndef NDEBUG
-    args.opts.log_level = SC_LOG_LEVEL_DEBUG;
-#endif
-
     if (!scrcpy_parse_args(&args, argc, argv)) {
         return 1;
     }
 
-    SDL_LogPriority sdl_log = convert_log_level_to_sdl(args.opts.log_level);
-    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, sdl_log);
-
     if (args.help) {
         scrcpy_print_usage(argv[0]);
         return 0;

app/src/receiver.c

@@ -60,29 +60,28 @@ static int
 run_receiver(void *data) {
     struct receiver *receiver = data;
 
-    static unsigned char buf[DEVICE_MSG_MAX_SIZE];
+    unsigned char buf[DEVICE_MSG_SERIALIZED_MAX_SIZE];
     size_t head = 0;
 
     for (;;) {
-        assert(head < DEVICE_MSG_MAX_SIZE);
-        ssize_t r = net_recv(receiver->control_socket, buf + head,
-                             DEVICE_MSG_MAX_SIZE - head);
+        assert(head < DEVICE_MSG_SERIALIZED_MAX_SIZE);
+        ssize_t r = net_recv(receiver->control_socket, buf,
+                             DEVICE_MSG_SERIALIZED_MAX_SIZE - head);
         if (r <= 0) {
             LOGD("Receiver stopped");
             break;
         }
 
-        head += r;
-        ssize_t consumed = process_msgs(buf, head);
+        ssize_t consumed = process_msgs(buf, r);
         if (consumed == -1) {
             // an error occurred
             break;
         }
 
         if (consumed) {
-            head -= consumed;
             // shift the remaining data in the buffer
-            memmove(buf, &buf[consumed], head);
+            memmove(buf, &buf[consumed], r - consumed);
+            head = r - consumed;
         }
     }
 

app/src/scrcpy.c

@@ -293,7 +293,6 @@ bool
 scrcpy(const struct scrcpy_options *options) {
     bool record = !!options->record_filename;
     struct server_params params = {
-        .log_level = options->log_level,
         .crop = options->crop,
         .port_range = options->port_range,
         .max_size = options->max_size,
@@ -304,8 +303,6 @@ scrcpy(const struct scrcpy_options *options) {
         .display_id = options->display_id,
         .show_touches = options->show_touches,
         .stay_awake = options->stay_awake,
-        .codec_options = options->codec_options,
-        .force_adb_forward = options->force_adb_forward,
     };
     if (!server_start(&server, options->serial, &params)) {
         return false;

app/src/scrcpy.h

@@ -8,7 +8,6 @@
 #include "common.h"
 #include "input_manager.h"
 #include "recorder.h"
-#include "util/log.h"
 
 struct scrcpy_options {
     const char *serial;
@@ -17,8 +16,6 @@ struct scrcpy_options {
     const char *window_title;
     const char *push_target;
     const char *render_driver;
-    const char *codec_options;
-    enum sc_log_level log_level;
     enum recorder_format record_format;
     struct port_range port_range;
     uint16_t max_size;
@@ -42,7 +39,6 @@ struct scrcpy_options {
     bool window_borderless;
     bool mipmaps;
     bool stay_awake;
-    bool force_adb_forward;
 };
 
 #define SCRCPY_OPTIONS_DEFAULT { \
@@ -52,8 +48,6 @@ struct scrcpy_options {
     .window_title = NULL, \
     .push_target = NULL, \
     .render_driver = NULL, \
-    .codec_options = NULL, \
-    .log_level = SC_LOG_LEVEL_INFO, \
     .record_format = RECORDER_FORMAT_AUTO, \
     .port_range = { \
         .first = DEFAULT_LOCAL_PORT_RANGE_FIRST, \
@@ -80,7 +74,6 @@ struct scrcpy_options {
     .window_borderless = false, \
     .mipmaps = true, \
     .stay_awake = false, \
-    .force_adb_forward = false, \
 }
 
 bool

app/src/server.c

@@ -217,46 +217,24 @@ enable_tunnel_forward_any_port(struct server *server,
 }
 
 static bool
-enable_tunnel_any_port(struct server *server, struct port_range port_range,
-                       bool force_adb_forward) {
-    if (!force_adb_forward) {
-        // Attempt to use "adb reverse"
-        if (enable_tunnel_reverse_any_port(server, port_range)) {
-            return true;
-        }
-
-        // if "adb reverse" does not work (e.g. over "adb connect"), it
-        // fallbacks to "adb forward", so the app socket is the client
-
-        LOGW("'adb reverse' failed, fallback to 'adb forward'");
+enable_tunnel_any_port(struct server *server, struct port_range port_range) {
+    if (enable_tunnel_reverse_any_port(server, port_range)) {
+        return true;
     }
 
+    // if "adb reverse" does not work (e.g. over "adb connect"), it fallbacks to
+    // "adb forward", so the app socket is the client
+
+    LOGW("'adb reverse' failed, fallback to 'adb forward'");
     return enable_tunnel_forward_any_port(server, port_range);
 }
 
-static const char *
-log_level_to_server_string(enum sc_log_level level) {
-    switch (level) {
-        case SC_LOG_LEVEL_DEBUG:
-            return "debug";
-        case SC_LOG_LEVEL_INFO:
-            return "info";
-        case SC_LOG_LEVEL_WARN:
-            return "warn";
-        case SC_LOG_LEVEL_ERROR:
-            return "error";
-        default:
-            assert(!"unexpected log level");
-            return "(unknown)";
-    }
-}
-
 static process_t
 execute_server(struct server *server, const struct server_params *params) {
     char max_size_string[6];
     char bit_rate_string[11];
     char max_fps_string[6];
-    char lock_video_orientation_string[5];
+    char lock_video_orientation_string[3];
     char display_id_string[6];
     sprintf(max_size_string, "%"PRIu16, params->max_size);
     sprintf(bit_rate_string, "%"PRIu32, params->bit_rate);
@@ -281,7 +259,6 @@ execute_server(struct server *server, const struct server_params *params) {
         "/", // unused
         "com.genymobile.scrcpy.Server",
         SCRCPY_VERSION,
-        log_level_to_server_string(params->log_level),
         max_size_string,
         bit_rate_string,
         max_fps_string,
@@ -293,7 +270,6 @@ execute_server(struct server *server, const struct server_params *params) {
         display_id_string,
         params->show_touches ? "true" : "false",
         params->stay_awake ? "true" : "false",
-        params->codec_options ? params->codec_options : "-",
     };
 #ifdef SERVER_DEBUGGER
     LOGI("Server debugger waiting for a client on device port "
@@ -389,8 +365,7 @@ server_start(struct server *server, const char *serial,
         goto error1;
     }
 
-    if (!enable_tunnel_any_port(server, params->port_range,
-                                params->force_adb_forward)) {
+    if (!enable_tunnel_any_port(server, params->port_range)) {
         goto error1;
     }
 

app/src/server.h

@@ -9,7 +9,6 @@
 #include "config.h"
 #include "command.h"
 #include "common.h"
-#include "util/log.h"
 #include "util/net.h"
 
 struct server {
@@ -44,9 +43,7 @@ struct server {
 }
 
 struct server_params {
-    enum sc_log_level log_level;
     const char *crop;
-    const char *codec_options;
     struct port_range port_range;
     uint16_t max_size;
     uint32_t bit_rate;
@@ -56,7 +53,6 @@ struct server_params {
     uint16_t display_id;
     bool show_touches;
     bool stay_awake;
-    bool force_adb_forward;
 };
 
 // init default values

app/src/util/log.h

@@ -3,13 +3,6 @@
 
 #include <SDL2/SDL_log.h>
 
-enum sc_log_level {
-    SC_LOG_LEVEL_DEBUG,
-    SC_LOG_LEVEL_INFO,
-    SC_LOG_LEVEL_WARN,
-    SC_LOG_LEVEL_ERROR,
-};
-
 #define LOGV(...) SDL_LogVerbose(SDL_LOG_CATEGORY_APPLICATION, __VA_ARGS__)
 #define LOGD(...) SDL_LogDebug(SDL_LOG_CATEGORY_APPLICATION, __VA_ARGS__)
 #define LOGI(...) SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, __VA_ARGS__)

app/tests/test_control_msg_serialize.c

@@ -13,7 +13,7 @@ static void test_serialize_inject_keycode(void) {
         },
     };
 
-    unsigned char buf[CONTROL_MSG_MAX_SIZE];
+    unsigned char buf[CONTROL_MSG_SERIALIZED_MAX_SIZE];
     int size = control_msg_serialize(&msg, buf);
     assert(size == 10);
 
@@ -34,13 +34,13 @@ static void test_serialize_inject_text(void) {
         },
     };
 
-    unsigned char buf[CONTROL_MSG_MAX_SIZE];
+    unsigned char buf[CONTROL_MSG_SERIALIZED_MAX_SIZE];
     int size = control_msg_serialize(&msg, buf);
-    assert(size == 18);
+    assert(size == 16);
 
     const unsigned char expected[] = {
         CONTROL_MSG_TYPE_INJECT_TEXT,
-        0x00, 0x00, 0x00, 0x0d, // text length
+        0x00, 0x0d, // text length
         'h', 'e', 'l', 'l', 'o', ',', ' ', 'w', 'o', 'r', 'l', 'd', '!', // text
     };
     assert(!memcmp(buf, expected, sizeof(expected)));
@@ -54,17 +54,15 @@ static void test_serialize_inject_text_long(void) {
     text[CONTROL_MSG_INJECT_TEXT_MAX_LENGTH] = '\0';
     msg.inject_text.text = text;
 
-    unsigned char buf[CONTROL_MSG_MAX_SIZE];
+    unsigned char buf[CONTROL_MSG_SERIALIZED_MAX_SIZE];
     int size = control_msg_serialize(&msg, buf);
-    assert(size == 5 + CONTROL_MSG_INJECT_TEXT_MAX_LENGTH);
+    assert(size == 3 + CONTROL_MSG_INJECT_TEXT_MAX_LENGTH);
 
-    unsigned char expected[5 + CONTROL_MSG_INJECT_TEXT_MAX_LENGTH];
+    unsigned char expected[3 + CONTROL_MSG_INJECT_TEXT_MAX_LENGTH];
     expected[0] = CONTROL_MSG_TYPE_INJECT_TEXT;
-    expected[1] = 0x00;
-    expected[2] = 0x00;
-    expected[3] = 0x01;
-    expected[4] = 0x2c; // text length (32 bits)
-    memset(&expected[5], 'a', CONTROL_MSG_INJECT_TEXT_MAX_LENGTH);
+    expected[1] = 0x01;
+    expected[2] = 0x2c; // text length (16 bits)
+    memset(&expected[3], 'a', CONTROL_MSG_INJECT_TEXT_MAX_LENGTH);
 
     assert(!memcmp(buf, expected, sizeof(expected)));
 }
@@ -90,7 +88,7 @@ static void test_serialize_inject_touch_event(void) {
         },
     };
 
-    unsigned char buf[CONTROL_MSG_MAX_SIZE];
+    unsigned char buf[CONTROL_MSG_SERIALIZED_MAX_SIZE];
     int size = control_msg_serialize(&msg, buf);
     assert(size == 28);
 
@@ -125,7 +123,7 @@ static void test_serialize_inject_scroll_event(void) {
         },
     };
 
-    unsigned char buf[CONTROL_MSG_MAX_SIZE];
+    unsigned char buf[CONTROL_MSG_SERIALIZED_MAX_SIZE];
     int size = control_msg_serialize(&msg, buf);
     assert(size == 21);
 
@@ -144,7 +142,7 @@ static void test_serialize_back_or_screen_on(void) {
         .type = CONTROL_MSG_TYPE_BACK_OR_SCREEN_ON,
     };
 
-    unsigned char buf[CONTROL_MSG_MAX_SIZE];
+    unsigned char buf[CONTROL_MSG_SERIALIZED_MAX_SIZE];
     int size = control_msg_serialize(&msg, buf);
     assert(size == 1);
 
@@ -159,7 +157,7 @@ static void test_serialize_expand_notification_panel(void) {
         .type = CONTROL_MSG_TYPE_EXPAND_NOTIFICATION_PANEL,
     };
 
-    unsigned char buf[CONTROL_MSG_MAX_SIZE];
+    unsigned char buf[CONTROL_MSG_SERIALIZED_MAX_SIZE];
     int size = control_msg_serialize(&msg, buf);
     assert(size == 1);
 
@@ -174,7 +172,7 @@ static void test_serialize_collapse_notification_panel(void) {
         .type = CONTROL_MSG_TYPE_COLLAPSE_NOTIFICATION_PANEL,
     };
 
-    unsigned char buf[CONTROL_MSG_MAX_SIZE];
+    unsigned char buf[CONTROL_MSG_SERIALIZED_MAX_SIZE];
     int size = control_msg_serialize(&msg, buf);
     assert(size == 1);
 
@@ -189,7 +187,7 @@ static void test_serialize_get_clipboard(void) {
         .type = CONTROL_MSG_TYPE_GET_CLIPBOARD,
     };
 
-    unsigned char buf[CONTROL_MSG_MAX_SIZE];
+    unsigned char buf[CONTROL_MSG_SERIALIZED_MAX_SIZE];
     int size = control_msg_serialize(&msg, buf);
     assert(size == 1);
 
@@ -202,18 +200,18 @@ static void test_serialize_get_clipboard(void) {
 static void test_serialize_set_clipboard(void) {
     struct control_msg msg = {
         .type = CONTROL_MSG_TYPE_SET_CLIPBOARD,
-        .set_clipboard = {
+        .inject_text = {
             .text = "hello, world!",
         },
     };
 
-    unsigned char buf[CONTROL_MSG_MAX_SIZE];
+    unsigned char buf[CONTROL_MSG_SERIALIZED_MAX_SIZE];
     int size = control_msg_serialize(&msg, buf);
-    assert(size == 18);
+    assert(size == 16);
 
     const unsigned char expected[] = {
         CONTROL_MSG_TYPE_SET_CLIPBOARD,
-        0x00, 0x00, 0x00, 0x0d, // text length
+        0x00, 0x0d, // text length
         'h', 'e', 'l', 'l', 'o', ',', ' ', 'w', 'o', 'r', 'l', 'd', '!', // text
     };
     assert(!memcmp(buf, expected, sizeof(expected)));
@@ -227,7 +225,7 @@ static void test_serialize_set_screen_power_mode(void) {
         },
     };
 
-    unsigned char buf[CONTROL_MSG_MAX_SIZE];
+    unsigned char buf[CONTROL_MSG_SERIALIZED_MAX_SIZE];
     int size = control_msg_serialize(&msg, buf);
     assert(size == 2);
 
@@ -243,7 +241,7 @@ static void test_serialize_rotate_device(void) {
         .type = CONTROL_MSG_TYPE_ROTATE_DEVICE,
     };
 
-    unsigned char buf[CONTROL_MSG_MAX_SIZE];
+    unsigned char buf[CONTROL_MSG_SERIALIZED_MAX_SIZE];
     int size = control_msg_serialize(&msg, buf);
     assert(size == 1);
 

app/tests/test_device_msg_deserialize.c

@@ -4,17 +4,16 @@
 #include "device_msg.h"
 
 #include <stdio.h>
-
 static void test_deserialize_clipboard(void) {
     const unsigned char input[] = {
         DEVICE_MSG_TYPE_CLIPBOARD,
-        0x00, 0x00, 0x00, 0x03, // text length
+        0x00, 0x03, // text length
         0x41, 0x42, 0x43, // "ABC"
     };
 
     struct device_msg msg;
     ssize_t r = device_msg_deserialize(input, sizeof(input), &msg);
-    assert(r == 8);
+    assert(r == 6);
 
     assert(msg.type == DEVICE_MSG_TYPE_CLIPBOARD);
     assert(msg.clipboard.text);
@@ -23,30 +22,7 @@ static void test_deserialize_clipboard(void) {
     device_msg_destroy(&msg);
 }
 
-static void test_deserialize_clipboard_big(void) {
-    unsigned char input[DEVICE_MSG_MAX_SIZE];
-    input[0] = DEVICE_MSG_TYPE_CLIPBOARD;
-    input[1] = (DEVICE_MSG_TEXT_MAX_LENGTH & 0xff000000u) >> 24;
-    input[2] = (DEVICE_MSG_TEXT_MAX_LENGTH & 0x00ff0000u) >> 16;
-    input[3] = (DEVICE_MSG_TEXT_MAX_LENGTH & 0x0000ff00u) >> 8;
-    input[4] =  DEVICE_MSG_TEXT_MAX_LENGTH & 0x000000ffu;
-
-    memset(input + 5, 'a', DEVICE_MSG_TEXT_MAX_LENGTH);
-
-    struct device_msg msg;
-    ssize_t r = device_msg_deserialize(input, sizeof(input), &msg);
-    assert(r == DEVICE_MSG_MAX_SIZE);
-
-    assert(msg.type == DEVICE_MSG_TYPE_CLIPBOARD);
-    assert(msg.clipboard.text);
-    assert(strlen(msg.clipboard.text) == DEVICE_MSG_TEXT_MAX_LENGTH);
-    assert(msg.clipboard.text[0] == 'a');
-
-    device_msg_destroy(&msg);
-}
-
 int main(void) {
     test_deserialize_clipboard();
-    test_deserialize_clipboard_big();
     return 0;
 }

meson.build

@@ -1,5 +1,5 @@
 project('scrcpy', 'c',
-        version: '1.14',
+        version: '1.13',
         meson_version: '>= 0.48',
         default_options: [
             'c_std=c11',

prebuilt-deps/Makefile

@@ -35,6 +35,6 @@ prepare-sdl2:
 		SDL2-2.0.12
 
 prepare-adb:
-	@./prepare-dep https://dl.google.com/android/repository/platform-tools_r30.0.0-windows.zip \
-		854305f9a702f5ea2c3de73edde402bd26afa0ee944c9b0c4380420f5a862e0d \
+	@./prepare-dep https://dl.google.com/android/repository/platform-tools_r29.0.5-windows.zip \
+		2df06160056ec9a84c7334af2a1e42740befbb1a2e34370e7af544a2cc78152c \
 		platform-tools

server/build.gradle

@@ -6,8 +6,8 @@ android {
         applicationId "com.genymobile.scrcpy"
         minSdkVersion 21
         targetSdkVersion 29
-        versionCode 16
-        versionName "1.14"
+        versionCode 15
+        versionName "1.13"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {

server/build_without_gradle.sh

@@ -12,7 +12,7 @@
 set -e
 
 SCRCPY_DEBUG=false
-SCRCPY_VERSION_NAME=1.14
+SCRCPY_VERSION_NAME=1.13
 
 PLATFORM=${ANDROID_PLATFORM:-29}
 BUILD_TOOLS=${ANDROID_BUILD_TOOLS:-29.0.2}

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

@@ -1,112 +0,0 @@
-package com.genymobile.scrcpy;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class CodecOption {
-    private String key;
-    private Object value;
-
-    public CodecOption(String key, Object value) {
-        this.key = key;
-        this.value = value;
-    }
-
-    public String getKey() {
-        return key;
-    }
-
-    public Object getValue() {
-        return value;
-    }
-
-    public static List<CodecOption> parse(String codecOptions) {
-        if ("-".equals(codecOptions)) {
-            return null;
-        }
-
-        List<CodecOption> result = new ArrayList<>();
-
-        boolean escape = false;
-        StringBuilder buf = new StringBuilder();
-
-        for (char c : codecOptions.toCharArray()) {
-            switch (c) {
-                case '\\':
-                    if (escape) {
-                        buf.append('\\');
-                        escape = false;
-                    } else {
-                        escape = true;
-                    }
-                    break;
-                case ',':
-                    if (escape) {
-                        buf.append(',');
-                        escape = false;
-                    } else {
-                        // This comma is a separator between codec options
-                        String codecOption = buf.toString();
-                        result.add(parseOption(codecOption));
-                        // Clear buf
-                        buf.setLength(0);
-                    }
-                    break;
-                default:
-                    buf.append(c);
-                    break;
-            }
-        }
-
-        if (buf.length() > 0) {
-            String codecOption = buf.toString();
-            result.add(parseOption(codecOption));
-        }
-
-        return result;
-    }
-
-    private static CodecOption parseOption(String option) {
-        int equalSignIndex = option.indexOf('=');
-        if (equalSignIndex == -1) {
-            throw new IllegalArgumentException("'=' expected");
-        }
-        String keyAndType = option.substring(0, equalSignIndex);
-        if (keyAndType.length() == 0) {
-            throw new IllegalArgumentException("Key may not be null");
-        }
-
-        String key;
-        String type;
-
-        int colonIndex = keyAndType.indexOf(':');
-        if (colonIndex != -1) {
-            key = keyAndType.substring(0, colonIndex);
-            type = keyAndType.substring(colonIndex + 1);
-        } else {
-            key = keyAndType;
-            type = "int"; // assume int by default
-        }
-
-        Object value;
-        String valueString = option.substring(equalSignIndex + 1);
-        switch (type) {
-            case "int":
-                value = Integer.parseInt(valueString);
-                break;
-            case "long":
-                value = Long.parseLong(valueString);
-                break;
-            case "float":
-                value = Float.parseFloat(valueString);
-                break;
-            case "string":
-                value = valueString;
-                break;
-            default:
-                throw new IllegalArgumentException("Invalid codec option type (int, long, float, str): " + type);
-        }
-
-        return new CodecOption(key, value);
-    }
-}

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

@@ -13,13 +13,13 @@ public class ControlMessageReader {
     static final int INJECT_SCROLL_EVENT_PAYLOAD_LENGTH = 20;
     static final int SET_SCREEN_POWER_MODE_PAYLOAD_LENGTH = 1;
 
-    private static final int MESSAGE_MAX_SIZE = 1 << 18; // 256k
-
-    public static final int CLIPBOARD_TEXT_MAX_LENGTH = MESSAGE_MAX_SIZE - 5; // type: 1 byte; length: 4 bytes
+    public static final int CLIPBOARD_TEXT_MAX_LENGTH = 4093;
     public static final int INJECT_TEXT_MAX_LENGTH = 300;
+    private static final int RAW_BUFFER_SIZE = 1024;
 
-    private final byte[] rawBuffer = new byte[MESSAGE_MAX_SIZE];
+    private final byte[] rawBuffer = new byte[RAW_BUFFER_SIZE];
     private final ByteBuffer buffer = ByteBuffer.wrap(rawBuffer);
+    private final byte[] textBuffer = new byte[CLIPBOARD_TEXT_MAX_LENGTH];
 
     public ControlMessageReader() {
         // invariant: the buffer is always in "get" mode
@@ -102,17 +102,15 @@ public class ControlMessageReader {
     }
 
     private String parseString() {
-        if (buffer.remaining() < 4) {
+        if (buffer.remaining() < 2) {
             return null;
         }
-        int len = buffer.getInt();
+        int len = toUnsigned(buffer.getShort());
         if (buffer.remaining() < len) {
             return null;
         }
-        int position = buffer.position();
-        // Move the buffer position to consume the text
-        buffer.position(position + len);
-        return new String(rawBuffer, position, len, StandardCharsets.UTF_8);
+        buffer.get(textBuffer, 0, len);
+        return new String(textBuffer, 0, len, StandardCharsets.UTF_8);
     }
 
     private ControlMessage parseInjectText() {

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

@@ -1,7 +1,10 @@
 package com.genymobile.scrcpy;
 
+import com.genymobile.scrcpy.wrappers.InputManager;
+
 import android.os.SystemClock;
 import android.view.InputDevice;
+import android.view.InputEvent;
 import android.view.KeyCharacterMap;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
@@ -47,7 +50,7 @@ public class Controller {
     public void control() throws IOException {
         // on start, power on the device
         if (!device.isScreenOn()) {
-            device.injectKeycode(KeyEvent.KEYCODE_POWER);
+            injectKeycode(KeyEvent.KEYCODE_POWER);
 
             // dirty hack
             // After POWER is injected, the device is powered on asynchronously.
@@ -104,20 +107,14 @@ public class Controller {
                 break;
             case ControlMessage.TYPE_GET_CLIPBOARD:
                 String clipboardText = device.getClipboardText();
-                if (clipboardText != null) {
-                    sender.pushClipboardText(clipboardText);
-                }
+                sender.pushClipboardText(clipboardText);
                 break;
             case ControlMessage.TYPE_SET_CLIPBOARD:
-                setClipboard(msg.getText());
+                device.setClipboardText(msg.getText());
                 break;
             case ControlMessage.TYPE_SET_SCREEN_POWER_MODE:
                 if (device.supportsInputEvents()) {
-                    int mode = msg.getAction();
-                    boolean setPowerModeOk = device.setScreenPowerMode(mode);
-                    if (setPowerModeOk) {
-                        Ln.i("Device screen turned " + (mode == Device.POWER_MODE_OFF ? "off" : "on"));
-                    }
+                    device.setScreenPowerMode(msg.getAction());
                 }
                 break;
             case ControlMessage.TYPE_ROTATE_DEVICE:
@@ -129,7 +126,7 @@ public class Controller {
     }
 
     private boolean injectKeycode(int action, int keycode, int metaState) {
-        return device.injectKeyEvent(action, keycode, 0, metaState);
+        return injectKeyEvent(action, keycode, 0, metaState);
     }
 
     private boolean injectChar(char c) {
@@ -140,7 +137,7 @@ public class Controller {
             return false;
         }
         for (KeyEvent event : events) {
-            if (!device.injectEvent(event)) {
+            if (!injectEvent(event)) {
                 return false;
             }
         }
@@ -196,7 +193,7 @@ public class Controller {
         MotionEvent event = MotionEvent
                 .obtain(lastTouchDown, now, action, pointerCount, pointerProperties, pointerCoords, 0, buttons, 1f, 1f, DEVICE_ID_VIRTUAL, 0,
                         InputDevice.SOURCE_TOUCHSCREEN, 0);
-        return device.injectEvent(event);
+        return injectEvent(event);
     }
 
     private boolean injectScroll(Position position, int hScroll, int vScroll) {
@@ -219,21 +216,26 @@ public class Controller {
         MotionEvent event = MotionEvent
                 .obtain(lastTouchDown, now, MotionEvent.ACTION_SCROLL, 1, pointerProperties, pointerCoords, 0, 0, 1f, 1f, DEVICE_ID_VIRTUAL, 0,
                         InputDevice.SOURCE_TOUCHSCREEN, 0);
-        return device.injectEvent(event);
+        return injectEvent(event);
+    }
+
+    private boolean injectKeyEvent(int action, int keyCode, int repeat, int metaState) {
+        long now = SystemClock.uptimeMillis();
+        KeyEvent event = new KeyEvent(now, now, action, keyCode, repeat, metaState, KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 0,
+                InputDevice.SOURCE_KEYBOARD);
+        return injectEvent(event);
+    }
+
+    private boolean injectKeycode(int keyCode) {
+        return injectKeyEvent(KeyEvent.ACTION_DOWN, keyCode, 0, 0) && injectKeyEvent(KeyEvent.ACTION_UP, keyCode, 0, 0);
+    }
+
+    private boolean injectEvent(InputEvent event) {
+        return device.injectInputEvent(event, InputManager.INJECT_INPUT_EVENT_MODE_ASYNC);
     }
 
     private boolean pressBackOrTurnScreenOn() {
         int keycode = device.isScreenOn() ? KeyEvent.KEYCODE_BACK : KeyEvent.KEYCODE_POWER;
-        return device.injectKeycode(keycode);
-    }
-
-    private boolean setClipboard(String text) {
-        boolean ok = device.setClipboardText(text);
-        if (ok) {
-            Ln.i("Device clipboard set");
-            return true;
-        }
-
-        return false;
+        return injectKeycode(keycode);
     }
 }

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

@@ -10,14 +10,8 @@ import android.content.IOnPrimaryClipChangedListener;
 import android.graphics.Rect;
 import android.os.Build;
 import android.os.IBinder;
-import android.os.SystemClock;
 import android.view.IRotationWatcher;
-import android.view.InputDevice;
 import android.view.InputEvent;
-import android.view.KeyCharacterMap;
-import android.view.KeyEvent;
-
-import java.util.concurrent.atomic.AtomicBoolean;
 
 public final class Device {
 
@@ -37,7 +31,6 @@ public final class Device {
     private ScreenInfo screenInfo;
     private RotationListener rotationListener;
     private ClipboardListener clipboardListener;
-    private final AtomicBoolean isSettingClipboard = new AtomicBoolean();
 
     /**
      * Logical display identifier
@@ -83,10 +76,6 @@ public final class Device {
             serviceManager.getClipboardManager().addPrimaryClipChangedListener(new IOnPrimaryClipChangedListener.Stub() {
                 @Override
                 public void dispatchPrimaryClipChanged() {
-                    if (isSettingClipboard.get()) {
-                        // This is a notification for the change we are currently applying, ignore it
-                        return;
-                    }
                     synchronized (Device.this) {
                         if (clipboardListener != null) {
                             String text = getClipboardText();
@@ -151,7 +140,7 @@ public final class Device {
         return supportsInputEvents;
     }
 
-    public boolean injectEvent(InputEvent inputEvent, int mode) {
+    public boolean injectInputEvent(InputEvent inputEvent, int mode) {
         if (!supportsInputEvents()) {
             throw new AssertionError("Could not inject input event if !supportsInputEvents()");
         }
@@ -163,21 +152,6 @@ public final class Device {
         return serviceManager.getInputManager().injectInputEvent(inputEvent, mode);
     }
 
-    public boolean injectEvent(InputEvent event) {
-        return injectEvent(event, InputManager.INJECT_INPUT_EVENT_MODE_ASYNC);
-    }
-
-    public boolean injectKeyEvent(int action, int keyCode, int repeat, int metaState) {
-        long now = SystemClock.uptimeMillis();
-        KeyEvent event = new KeyEvent(now, now, action, keyCode, repeat, metaState, KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 0,
-                InputDevice.SOURCE_KEYBOARD);
-        return injectEvent(event);
-    }
-
-    public boolean injectKeycode(int keyCode) {
-        return injectKeyEvent(KeyEvent.ACTION_DOWN, keyCode, 0, 0) && injectKeyEvent(KeyEvent.ACTION_UP, keyCode, 0, 0);
-    }
-
     public boolean isScreenOn() {
         return serviceManager.getPowerManager().isScreenOn();
     }
@@ -206,31 +180,26 @@ public final class Device {
         return s.toString();
     }
 
-    public boolean setClipboardText(String text) {
-        String currentClipboard = getClipboardText();
-        if (currentClipboard == null || currentClipboard.equals("text")) {
-            // The clipboard already contains the requested text.
-            // Since pasting text from the computer involves setting the device clipboard, it could be set twice on a copy-paste. This would cause
-            // the clipboard listeners to be notified twice, and that would flood the Android keyboard clipboard history. To workaround this
-            // problem, do not explicitly set the clipboard text if it already contains the expected content.
-            return false;
-        }
-        isSettingClipboard.set(true);
+    public void setClipboardText(String text) {
         boolean ok = serviceManager.getClipboardManager().setText(text);
-        isSettingClipboard.set(false);
-        return ok;
+        if (ok) {
+            Ln.i("Device clipboard set");
+        }
     }
 
     /**
      * @param mode one of the {@code SCREEN_POWER_MODE_*} constants
      */
-    public boolean setScreenPowerMode(int mode) {
+    public void setScreenPowerMode(int mode) {
         IBinder d = SurfaceControl.getBuiltInDisplay();
         if (d == null) {
             Ln.e("Could not get built-in display");
-            return false;
+            return;
+        }
+        boolean ok = SurfaceControl.setDisplayPowerMode(d, mode);
+        if (ok) {
+            Ln.i("Device screen turned " + (mode == Device.POWER_MODE_OFF ? "off" : "on"));
         }
-        return SurfaceControl.setDisplayPowerMode(d, mode);
     }
 
     /**

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

@@ -7,10 +7,10 @@ import java.nio.charset.StandardCharsets;
 
 public class DeviceMessageWriter {
 
-    private static final int MESSAGE_MAX_SIZE = 1 << 18; // 256k
-    public static final int CLIPBOARD_TEXT_MAX_LENGTH = MESSAGE_MAX_SIZE - 5; // type: 1 byte; length: 4 bytes
+    public static final int CLIPBOARD_TEXT_MAX_LENGTH = 4093;
+    private static final int MAX_EVENT_SIZE = CLIPBOARD_TEXT_MAX_LENGTH + 3;
 
-    private final byte[] rawBuffer = new byte[MESSAGE_MAX_SIZE];
+    private final byte[] rawBuffer = new byte[MAX_EVENT_SIZE];
     private final ByteBuffer buffer = ByteBuffer.wrap(rawBuffer);
 
     public void writeTo(DeviceMessage msg, OutputStream output) throws IOException {
@@ -21,7 +21,7 @@ public class DeviceMessageWriter {
                 String text = msg.getText();
                 byte[] raw = text.getBytes(StandardCharsets.UTF_8);
                 int len = StringUtils.getUtf8TruncationIndex(raw, CLIPBOARD_TEXT_MAX_LENGTH);
-                buffer.putInt(len);
+                buffer.putShort((short) len);
                 buffer.put(raw, 0, len);
                 output.write(rawBuffer, 0, buffer.position());
                 break;

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

@@ -15,25 +15,14 @@ public final class Ln {
         DEBUG, INFO, WARN, ERROR
     }
 
-    private static Level threshold = Level.INFO;
+    private static final Level THRESHOLD = BuildConfig.DEBUG ? Level.DEBUG : Level.INFO;
 
     private Ln() {
         // not instantiable
     }
 
-    /**
-     * Initialize the log level.
-     * <p>
-     * Must be called before starting any new thread.
-     *
-     * @param level the log level
-     */
-    public static void initLogLevel(Level level) {
-        threshold = level;
-    }
-
     public static boolean isEnabled(Level level) {
-        return level.ordinal() >= threshold.ordinal();
+        return level.ordinal() >= THRESHOLD.ordinal();
     }
 
     public static void d(String message) {

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

@@ -3,7 +3,6 @@ package com.genymobile.scrcpy;
 import android.graphics.Rect;
 
 public class Options {
-    private Ln.Level logLevel;
     private int maxSize;
     private int bitRate;
     private int maxFps;
@@ -15,15 +14,6 @@ public class Options {
     private int displayId;
     private boolean showTouches;
     private boolean stayAwake;
-    private String codecOptions;
-
-    public Ln.Level getLogLevel() {
-        return logLevel;
-    }
-
-    public void setLogLevel(Ln.Level logLevel) {
-        this.logLevel = logLevel;
-    }
 
     public int getMaxSize() {
         return maxSize;
@@ -112,12 +102,4 @@ public class Options {
     public void setStayAwake(boolean stayAwake) {
         this.stayAwake = stayAwake;
     }
-
-    public String getCodecOptions() {
-        return codecOptions;
-    }
-
-    public void setCodecOptions(String codecOptions) {
-        this.codecOptions = codecOptions;
-    }
 }

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

@@ -12,7 +12,6 @@ import android.view.Surface;
 import java.io.FileDescriptor;
 import java.io.IOException;
 import java.nio.ByteBuffer;
-import java.util.List;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 public class ScreenEncoder implements Device.RotationListener {
@@ -26,17 +25,15 @@ public class ScreenEncoder implements Device.RotationListener {
     private final AtomicBoolean rotationChanged = new AtomicBoolean();
     private final ByteBuffer headerBuffer = ByteBuffer.allocate(12);
 
-    private List<CodecOption> codecOptions;
     private int bitRate;
     private int maxFps;
     private boolean sendFrameMeta;
     private long ptsOrigin;
 
-    public ScreenEncoder(boolean sendFrameMeta, int bitRate, int maxFps, List<CodecOption> codecOptions) {
+    public ScreenEncoder(boolean sendFrameMeta, int bitRate, int maxFps) {
         this.sendFrameMeta = sendFrameMeta;
         this.bitRate = bitRate;
         this.maxFps = maxFps;
-        this.codecOptions = codecOptions;
     }
 
     @Override
@@ -64,7 +61,7 @@ public class ScreenEncoder implements Device.RotationListener {
     }
 
     private void internalStreamScreen(Device device, FileDescriptor fd) throws IOException {
-        MediaFormat format = createFormat(bitRate, maxFps, codecOptions);
+        MediaFormat format = createFormat(bitRate, maxFps);
         device.setRotationListener(this);
         boolean alive;
         try {
@@ -154,24 +151,7 @@ public class ScreenEncoder implements Device.RotationListener {
         return MediaCodec.createEncoderByType(MediaFormat.MIMETYPE_VIDEO_AVC);
     }
 
-    private static void setCodecOption(MediaFormat format, CodecOption codecOption) {
-        String key = codecOption.getKey();
-        Object value = codecOption.getValue();
-
-        if (value instanceof Integer) {
-            format.setInteger(key, (Integer) value);
-        } else if (value instanceof Long) {
-            format.setLong(key, (Long) value);
-        } else if (value instanceof Float) {
-            format.setFloat(key, (Float) value);
-        } else if (value instanceof String) {
-            format.setString(key, (String) value);
-        }
-
-        Ln.d("Codec option set: " + key + " (" + value.getClass().getSimpleName() + ") = " + value);
-    }
-
-    private static MediaFormat createFormat(int bitRate, int maxFps, List<CodecOption> codecOptions) {
+    private static MediaFormat createFormat(int bitRate, int maxFps) {
         MediaFormat format = new MediaFormat();
         format.setString(MediaFormat.KEY_MIME, MediaFormat.MIMETYPE_VIDEO_AVC);
         format.setInteger(MediaFormat.KEY_BIT_RATE, bitRate);
@@ -187,13 +167,6 @@ public class ScreenEncoder implements Device.RotationListener {
             // <https://github.com/Genymobile/scrcpy/issues/488#issuecomment-567321437>
             format.setFloat(KEY_MAX_FPS_TO_ENCODER, maxFps);
         }
-
-        if (codecOptions != null) {
-            for (CodecOption option : codecOptions) {
-                setCodecOption(format, option);
-            }
-        }
-
         return format;
     }
 

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

@@ -8,8 +8,6 @@ import android.os.BatteryManager;
 import android.os.Build;
 
 import java.io.IOException;
-import java.util.List;
-import java.util.Locale;
 
 public final class Server {
 
@@ -21,7 +19,6 @@ public final class Server {
     private static void scrcpy(Options options) throws IOException {
         Ln.i("Device: " + Build.MANUFACTURER + " " + Build.MODEL + " (Android " + Build.VERSION.RELEASE + ")");
         final Device device = new Device(options);
-        List<CodecOption> codecOptions = CodecOption.parse(options.getCodecOptions());
 
         boolean mustDisableShowTouchesOnCleanUp = false;
         int restoreStayOn = -1;
@@ -52,9 +49,8 @@ public final class Server {
         CleanUp.configure(mustDisableShowTouchesOnCleanUp, restoreStayOn);
 
         boolean tunnelForward = options.isTunnelForward();
-
         try (DesktopConnection connection = DesktopConnection.open(device, tunnelForward)) {
-            ScreenEncoder screenEncoder = new ScreenEncoder(options.getSendFrameMeta(), options.getBitRate(), options.getMaxFps(), codecOptions);
+            ScreenEncoder screenEncoder = new ScreenEncoder(options.getSendFrameMeta(), options.getBitRate(), options.getMaxFps());
 
             if (options.getControl()) {
                 final Controller controller = new Controller(device, connection);
@@ -120,53 +116,47 @@ public final class Server {
                     "The server version (" + BuildConfig.VERSION_NAME + ") does not match the client " + "(" + clientVersion + ")");
         }
 
-        final int expectedParameters = 14;
+        final int expectedParameters = 12;
         if (args.length != expectedParameters) {
             throw new IllegalArgumentException("Expecting " + expectedParameters + " parameters");
         }
 
         Options options = new Options();
 
-        Ln.Level level = Ln.Level.valueOf(args[1].toUpperCase(Locale.ENGLISH));
-        options.setLogLevel(level);
-
-        int maxSize = Integer.parseInt(args[2]) & ~7; // multiple of 8
+        int maxSize = Integer.parseInt(args[1]) & ~7; // multiple of 8
         options.setMaxSize(maxSize);
 
-        int bitRate = Integer.parseInt(args[3]);
+        int bitRate = Integer.parseInt(args[2]);
         options.setBitRate(bitRate);
 
-        int maxFps = Integer.parseInt(args[4]);
+        int maxFps = Integer.parseInt(args[3]);
         options.setMaxFps(maxFps);
 
-        int lockedVideoOrientation = Integer.parseInt(args[5]);
+        int lockedVideoOrientation = Integer.parseInt(args[4]);
         options.setLockedVideoOrientation(lockedVideoOrientation);
 
         // use "adb forward" instead of "adb tunnel"? (so the server must listen)
-        boolean tunnelForward = Boolean.parseBoolean(args[6]);
+        boolean tunnelForward = Boolean.parseBoolean(args[5]);
         options.setTunnelForward(tunnelForward);
 
-        Rect crop = parseCrop(args[7]);
+        Rect crop = parseCrop(args[6]);
         options.setCrop(crop);
 
-        boolean sendFrameMeta = Boolean.parseBoolean(args[8]);
+        boolean sendFrameMeta = Boolean.parseBoolean(args[7]);
         options.setSendFrameMeta(sendFrameMeta);
 
-        boolean control = Boolean.parseBoolean(args[9]);
+        boolean control = Boolean.parseBoolean(args[8]);
         options.setControl(control);
 
-        int displayId = Integer.parseInt(args[10]);
+        int displayId = Integer.parseInt(args[9]);
         options.setDisplayId(displayId);
 
-        boolean showTouches = Boolean.parseBoolean(args[11]);
+        boolean showTouches = Boolean.parseBoolean(args[10]);
         options.setShowTouches(showTouches);
 
-        boolean stayAwake = Boolean.parseBoolean(args[12]);
+        boolean stayAwake = Boolean.parseBoolean(args[11]);
         options.setStayAwake(stayAwake);
 
-        String codecOptions = args[13];
-        options.setCodecOptions(codecOptions);
-
         return options;
     }
 
@@ -219,9 +209,6 @@ public final class Server {
         });
 
         Options options = createOptions(args);
-
-        Ln.initLogLevel(options.getLogLevel());
-
         scrcpy(options);
     }
 }

server/src/test/java/com/genymobile/scrcpy/CodecOptionsTest.java

@@ -1,114 +0,0 @@
-package com.genymobile.scrcpy;
-
-import org.junit.Assert;
-import org.junit.Test;
-
-import java.util.List;
-
-public class CodecOptionsTest {
-
-    @Test
-    public void testIntegerImplicit() {
-        List<CodecOption> codecOptions = CodecOption.parse("some_key=5");
-
-        Assert.assertEquals(1, codecOptions.size());
-
-        CodecOption option = codecOptions.get(0);
-        Assert.assertEquals("some_key", option.getKey());
-        Assert.assertEquals(5, option.getValue());
-    }
-
-    @Test
-    public void testInteger() {
-        List<CodecOption> codecOptions = CodecOption.parse("some_key:int=5");
-
-        Assert.assertEquals(1, codecOptions.size());
-
-        CodecOption option = codecOptions.get(0);
-        Assert.assertEquals("some_key", option.getKey());
-        Assert.assertTrue(option.getValue() instanceof Integer);
-        Assert.assertEquals(5, option.getValue());
-    }
-
-    @Test
-    public void testLong() {
-        List<CodecOption> codecOptions = CodecOption.parse("some_key:long=5");
-
-        Assert.assertEquals(1, codecOptions.size());
-
-        CodecOption option = codecOptions.get(0);
-        Assert.assertEquals("some_key", option.getKey());
-        Assert.assertTrue(option.getValue() instanceof Long);
-        Assert.assertEquals(5L, option.getValue());
-    }
-
-    @Test
-    public void testFloat() {
-        List<CodecOption> codecOptions = CodecOption.parse("some_key:float=4.5");
-
-        Assert.assertEquals(1, codecOptions.size());
-
-        CodecOption option = codecOptions.get(0);
-        Assert.assertEquals("some_key", option.getKey());
-        Assert.assertTrue(option.getValue() instanceof Float);
-        Assert.assertEquals(4.5f, option.getValue());
-    }
-
-    @Test
-    public void testString() {
-        List<CodecOption> codecOptions = CodecOption.parse("some_key:string=some_value");
-
-        Assert.assertEquals(1, codecOptions.size());
-
-        CodecOption option = codecOptions.get(0);
-        Assert.assertEquals("some_key", option.getKey());
-        Assert.assertTrue(option.getValue() instanceof String);
-        Assert.assertEquals("some_value", option.getValue());
-    }
-
-    @Test
-    public void testStringEscaped() {
-        List<CodecOption> codecOptions = CodecOption.parse("some_key:string=warning\\,this_is_not=a_new_key");
-
-        Assert.assertEquals(1, codecOptions.size());
-
-        CodecOption option = codecOptions.get(0);
-        Assert.assertEquals("some_key", option.getKey());
-        Assert.assertTrue(option.getValue() instanceof String);
-        Assert.assertEquals("warning,this_is_not=a_new_key", option.getValue());
-    }
-
-    @Test
-    public void testList() {
-        List<CodecOption> codecOptions = CodecOption.parse("a=1,b:int=2,c:long=3,d:float=4.5,e:string=a\\,b=c");
-
-        Assert.assertEquals(5, codecOptions.size());
-
-        CodecOption option;
-
-        option = codecOptions.get(0);
-        Assert.assertEquals("a", option.getKey());
-        Assert.assertTrue(option.getValue() instanceof Integer);
-        Assert.assertEquals(1, option.getValue());
-
-        option = codecOptions.get(1);
-        Assert.assertEquals("b", option.getKey());
-        Assert.assertTrue(option.getValue() instanceof Integer);
-        Assert.assertEquals(2, option.getValue());
-
-        option = codecOptions.get(2);
-        Assert.assertEquals("c", option.getKey());
-        Assert.assertTrue(option.getValue() instanceof Long);
-        Assert.assertEquals(3L, option.getValue());
-
-        option = codecOptions.get(3);
-        Assert.assertEquals("d", option.getKey());
-        Assert.assertTrue(option.getValue() instanceof Float);
-        Assert.assertEquals(4.5f, option.getValue());
-
-        option = codecOptions.get(4);
-        Assert.assertEquals("e", option.getKey());
-        Assert.assertTrue(option.getValue() instanceof String);
-        Assert.assertEquals("a,b=c", option.getValue());
-    }
-}

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

@@ -48,7 +48,7 @@ public class ControlMessageReaderTest {
         DataOutputStream dos = new DataOutputStream(bos);
         dos.writeByte(ControlMessage.TYPE_INJECT_TEXT);
         byte[] text = "testé".getBytes(StandardCharsets.UTF_8);
-        dos.writeInt(text.length);
+        dos.writeShort(text.length);
         dos.write(text);
         byte[] packet = bos.toByteArray();
 
@@ -68,7 +68,7 @@ public class ControlMessageReaderTest {
         dos.writeByte(ControlMessage.TYPE_INJECT_TEXT);
         byte[] text = new byte[ControlMessageReader.INJECT_TEXT_MAX_LENGTH];
         Arrays.fill(text, (byte) 'a');
-        dos.writeInt(text.length);
+        dos.writeShort(text.length);
         dos.write(text);
         byte[] packet = bos.toByteArray();
 
@@ -217,7 +217,7 @@ public class ControlMessageReaderTest {
         DataOutputStream dos = new DataOutputStream(bos);
         dos.writeByte(ControlMessage.TYPE_SET_CLIPBOARD);
         byte[] text = "testé".getBytes(StandardCharsets.UTF_8);
-        dos.writeInt(text.length);
+        dos.writeShort(text.length);
         dos.write(text);
 
         byte[] packet = bos.toByteArray();
@@ -229,30 +229,6 @@ public class ControlMessageReaderTest {
         Assert.assertEquals("testé", event.getText());
     }
 
-    @Test
-    public void testParseBigSetClipboardEvent() throws IOException {
-        ControlMessageReader reader = new ControlMessageReader();
-
-        ByteArrayOutputStream bos = new ByteArrayOutputStream();
-        DataOutputStream dos = new DataOutputStream(bos);
-        dos.writeByte(ControlMessage.TYPE_SET_CLIPBOARD);
-
-        byte[] rawText = new byte[ControlMessageReader.CLIPBOARD_TEXT_MAX_LENGTH];
-        Arrays.fill(rawText, (byte) 'a');
-        String text = new String(rawText, 0, rawText.length);
-
-        dos.writeInt(rawText.length);
-        dos.write(rawText);
-
-        byte[] packet = bos.toByteArray();
-
-        reader.readFrom(new ByteArrayInputStream(packet));
-        ControlMessage event = reader.next();
-
-        Assert.assertEquals(ControlMessage.TYPE_SET_CLIPBOARD, event.getType());
-        Assert.assertEquals(text, event.getText());
-    }
-
     @Test
     public void testParseSetScreenPowerMode() throws IOException {
         ControlMessageReader reader = new ControlMessageReader();

server/src/test/java/com/genymobile/scrcpy/DeviceMessageWriterTest.java

@@ -19,7 +19,7 @@ public class DeviceMessageWriterTest {
         ByteArrayOutputStream bos = new ByteArrayOutputStream();
         DataOutputStream dos = new DataOutputStream(bos);
         dos.writeByte(DeviceMessage.TYPE_CLIPBOARD);
-        dos.writeInt(data.length);
+        dos.writeShort(data.length);
         dos.write(data);
 
         byte[] expected = bos.toByteArray();