Add --list-camera-sizes

Add an option to list the device camera declared sizes.

PR #4213 <https://github.com/Genymobile/scrcpy/pull/4213>

app/data/bash-completion/scrcpy

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

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-camera-sizes[List the valid camera capture sizes]'
     '--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]'

app/scrcpy.1

@@ -155,6 +155,10 @@ 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.
 
+.TP
+.B \-\-list\-camera\-sizes
+List the valid camera capture sizes.
+
 .TP
 .B \-\-list\-cameras
 List cameras available on the device.

app/src/cli.c

@@ -82,6 +82,7 @@ enum {
     OPT_TIME_LIMIT,
     OPT_PAUSE_ON_EXIT,
     OPT_LIST_CAMERAS,
+    OPT_LIST_CAMERA_SIZES,
 };
 
 struct sc_option {
@@ -326,6 +327,11 @@ static const struct sc_option options[] = {
         .longopt = "list-cameras",
         .text = "List device cameras.",
     },
+    {
+        .longopt_id = OPT_LIST_CAMERA_SIZES,
+        .longopt = "list-camera-sizes",
+        .text = "List the valid camera capture sizes.",
+    },
     {
         .longopt_id = OPT_LIST_DISPLAYS,
         .longopt = "list-displays",
@@ -2007,6 +2013,9 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
             case OPT_LIST_CAMERAS:
                 opts->list |= SC_OPTION_LIST_CAMERAS;
                 break;
+            case OPT_LIST_CAMERA_SIZES:
+                opts->list |= SC_OPTION_LIST_CAMERA_SIZES;
+                break;
             case OPT_REQUIRE_AUDIO:
                 opts->require_audio = true;
                 break;

app/src/options.h

@@ -183,6 +183,7 @@ struct scrcpy_options {
 #define SC_OPTION_LIST_ENCODERS 0x1
 #define SC_OPTION_LIST_DISPLAYS 0x2
 #define SC_OPTION_LIST_CAMERAS 0x4
+#define SC_OPTION_LIST_CAMERA_SIZES 0x8
     uint8_t list;
 };
 

app/src/server.c

@@ -320,6 +320,9 @@ execute_server(struct sc_server *server,
     if (params->list & SC_OPTION_LIST_CAMERAS) {
         ADD_PARAM("list_cameras=true");
     }
+    if (params->list & SC_OPTION_LIST_CAMERA_SIZES) {
+        ADD_PARAM("list_camera_sizes=true");
+    }
 
 #undef ADD_PARAM
 

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

@@ -7,6 +7,8 @@ import android.graphics.Rect;
 import android.hardware.camera2.CameraAccessException;
 import android.hardware.camera2.CameraCharacteristics;
 import android.hardware.camera2.CameraManager;
+import android.hardware.camera2.params.StreamConfigurationMap;
+import android.media.MediaCodec;
 
 import java.util.List;
 
@@ -79,7 +81,7 @@ public final class LogUtils {
         }
     }
 
-    public static String buildCameraListMessage() {
+    public static String buildCameraListMessage(boolean includeSizes) {
         StringBuilder builder = new StringBuilder("List of cameras:");
         CameraManager cameraManager = ServiceManager.getCameraManager();
         try {
@@ -96,6 +98,14 @@ public final class LogUtils {
 
                     Rect activeSize = characteristics.get(CameraCharacteristics.SENSOR_INFO_ACTIVE_ARRAY_SIZE);
                     builder.append(activeSize.width()).append("x").append(activeSize.height()).append(')');
+
+                    if (includeSizes) {
+                        StreamConfigurationMap configs = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
+                        android.util.Size[] sizes = configs.getOutputSizes(MediaCodec.class);
+                        for (android.util.Size size : sizes) {
+                            builder.append("\n        - ").append(size.getWidth()).append('x').append(size.getHeight());
+                        }
+                    }
                 }
             }
         } catch (CameraAccessException e) {

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

@@ -39,6 +39,7 @@ public class Options {
     private boolean listEncoders;
     private boolean listDisplays;
     private boolean listCameras;
+    private boolean listCameraSizes;
 
     // Options not used by the scrcpy client, but useful to use scrcpy-server directly
     private boolean sendDeviceMeta = true; // send device name and size
@@ -155,7 +156,7 @@ public class Options {
     }
 
     public boolean getList() {
-        return listEncoders || listDisplays || listCameras;
+        return listEncoders || listDisplays || listCameras || listCameraSizes;
     }
 
     public boolean getListEncoders() {
@@ -170,6 +171,10 @@ public class Options {
         return listCameras;
     }
 
+    public boolean getListCameraSizes() {
+        return listCameraSizes;
+    }
+
     public boolean getSendDeviceMeta() {
         return sendDeviceMeta;
     }
@@ -320,6 +325,9 @@ public class Options {
                 case "list_cameras":
                     options.listCameras = Boolean.parseBoolean(value);
                     break;
+                case "list_camera_sizes":
+                    options.listCameraSizes = Boolean.parseBoolean(value);
+                    break;
                 case "send_device_meta":
                     options.sendDeviceMeta = Boolean.parseBoolean(value);
                     break;

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

@@ -208,9 +208,9 @@ public final class Server {
             if (options.getListDisplays()) {
                 Ln.i(LogUtils.buildDisplayListMessage());
             }
-            if (options.getListCameras()) {
+            if (options.getListCameras() || options.getListCameraSizes()) {
                 Workarounds.apply(false, true);
-                Ln.i(LogUtils.buildCameraListMessage());
+                Ln.i(LogUtils.buildCameraListMessage(options.getListCameraSizes()));
             }
             // Just print the requested data, do not mirror
             return;