daemon: send RGBA frames for direct rendering

Osx manages only RGB color space

Refs #66543

Change-Id: I8474ca044d8b631ee369ed73bf3d6aa7a5de1f52

src/media/libav_utils.cpp

@@ -107,6 +107,7 @@ int libav_pixel_format(int fmt)
 {
     switch (fmt) {
         case video::VIDEO_PIXFMT_BGRA: return PIXEL_FORMAT(BGRA);
+        case video::VIDEO_PIXFMT_RGBA: return PIXEL_FORMAT(RGBA);
         case video::VIDEO_PIXFMT_YUV420P: return PIXEL_FORMAT(YUV420P);
     }
     return fmt;

src/media/video/sinkclient.cpp

@@ -316,7 +316,7 @@ SinkClient::update(Observable<std::shared_ptr<VideoFrame>>* /*obs*/,
         VideoScaler scaler;
         const int width = f->width();
         const int height = f->height();
-        const int format = VIDEO_PIXFMT_BGRA;
+        const int format = VIDEO_PIXFMT_RGBA;
         const auto bytes = videoFrameSize(format, width, height);
 
         targetData_.resize(bytes);

src/media/video/video_base.h

@@ -58,6 +58,7 @@ namespace ring { namespace video {
 enum VideoPixelFormat {
     VIDEO_PIXFMT_BGRA = -1,
     VIDEO_PIXFMT_YUV420P = -2,
+    VIDEO_PIXFMT_RGBA = -3,
 };
 
 template <typename T> class Observer;