Add --list-cameras

Add an option to list the device cameras.

Co-authored-by: Romain Vimont <rom@rom1v.com>

app/data/bash-completion/scrcpy

@@ -23,6 +23,7 @@ _scrcpy() {
         --kill-adb-on-close
         -K --hid-keyboard
         --legacy-paste
+        --list-cameras
         --list-displays
         --list-encoders
         --lock-video-orientation

app/data/zsh-completion/_scrcpy

@@ -30,6 +30,7 @@ arguments=(
     '--kill-adb-on-close[Kill adb when scrcpy terminates]'
     {-K,--hid-keyboard}'[Simulate a physical keyboard by using HID over AOAv2]'
     '--legacy-paste[Inject computer clipboard text as a sequence of key events on Ctrl+v]'
+    '--list-cameras[List cameras available on the device]'
     '--list-displays[List displays available on the device]'
     '--list-encoders[List video and audio encoders available on the device]'
     '--lock-video-orientation=[Lock video orientation]:orientation:(unlocked initial 0 1 2 3)'

app/scrcpy.1

@@ -155,6 +155,9 @@ Inject computer clipboard text as a sequence of key events on Ctrl+v (like MOD+S
 
 This is a workaround for some devices not behaving as expected when setting the device clipboard programmatically.
 
+.B \-\-list\-cameras
+List cameras available on the device.
+
 .TP
 .B \-\-list\-encoders
 List video and audio encoders available on the device.

app/src/cli.c

@@ -79,6 +79,7 @@ enum {
     OPT_AUDIO_SOURCE,
     OPT_KILL_ADB_ON_CLOSE,
     OPT_TIME_LIMIT,
+    OPT_LIST_CAMERAS,
 };
 
 struct sc_option {
@@ -312,6 +313,11 @@ static const struct sc_option options[] = {
                 "This is a workaround for some devices not behaving as "
                 "expected when setting the device clipboard programmatically.",
     },
+    {
+        .longopt_id = OPT_LIST_CAMERAS,
+        .longopt = "list-cameras",
+        .text = "List device cameras.",
+    },
     {
         .longopt_id = OPT_LIST_DISPLAYS,
         .longopt = "list-displays",
@@ -1944,6 +1950,9 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
                      "platform).");
                 return false;
 #endif
+            case OPT_LIST_CAMERAS:
+                opts->list_cameras = true;
+                break;
             case OPT_LIST_ENCODERS:
                 opts->list_encoders = true;
                 break;

app/src/options.c

@@ -81,5 +81,6 @@ const struct scrcpy_options scrcpy_options_default = {
     .require_audio = false,
     .list_encoders = false,
     .list_displays = false,
+    .list_cameras = false,
     .kill_adb_on_close = false,
 };

app/src/options.h

@@ -181,6 +181,7 @@ struct scrcpy_options {
     bool require_audio;
     bool list_encoders;
     bool list_displays;
+    bool list_cameras;
     bool kill_adb_on_close;
 };
 

app/src/scrcpy.c

@@ -381,6 +381,7 @@ scrcpy(struct scrcpy_options *options) {
         .power_on = options->power_on,
         .list_encoders = options->list_encoders,
         .list_displays = options->list_displays,
+        .list_cameras = options->list_cameras,
         .kill_adb_on_close = options->kill_adb_on_close,
     };
 
@@ -399,7 +400,8 @@ scrcpy(struct scrcpy_options *options) {
 
     server_started = true;
 
-    if (options->list_encoders || options->list_displays) {
+    if (options->list_encoders || options->list_displays
+            || options->list_cameras) {
         bool ok = await_for_server(NULL);
         ret = ok ? SCRCPY_EXIT_SUCCESS : SCRCPY_EXIT_FAILURE;
         goto end;

app/src/server.c

@@ -316,6 +316,9 @@ execute_server(struct sc_server *server,
     if (params->list_displays) {
         ADD_PARAM("list_displays=true");
     }
+    if (params->list_cameras) {
+        ADD_PARAM("list_cameras=true");
+    }
 
 #undef ADD_PARAM
 
@@ -895,7 +898,8 @@ run_server(void *data) {
 
     // If --list-* is passed, then the server just prints the requested data
     // then exits.
-    if (params->list_encoders || params->list_displays) {
+    if (params->list_encoders || params->list_displays
+            || params->list_cameras) {
         sc_pid pid = execute_server(server, params);
         if (pid == SC_PROCESS_NONE) {
             goto error_connection_failed;

app/src/server.h

@@ -58,6 +58,7 @@ struct sc_server_params {
     bool power_on;
     bool list_encoders;
     bool list_displays;
+    bool list_cameras;
     bool kill_adb_on_close;
 };