16 bpp video stream capture, render and WebGL usage - Realsense R200 & SR300 support.

content/renderer/media/video_track_recorder.cc

Index: content/renderer/media/video_track_recorder.cc
diff --git a/content/renderer/media/video_track_recorder.cc b/content/renderer/media/video_track_recorder.cc
index f66343f31ab0d62d39d40d1d4d621a5296e41a0f..9e3d92636424d7399dba348cb986570e8685b44d 100644
--- a/content/renderer/media/video_track_recorder.cc
+++ b/content/renderer/media/video_track_recorder.cc
@@ -205,12 +205,14 @@ void VideoTrackRecorder::Encoder::StartFrameEncode(
   if (!(video_frame->format() == media::PIXEL_FORMAT_I420 ||
         video_frame->format() == media::PIXEL_FORMAT_YV12 ||
         video_frame->format() == media::PIXEL_FORMAT_ARGB ||
-        video_frame->format() == media::PIXEL_FORMAT_YV12A)) {
+        video_frame->format() == media::PIXEL_FORMAT_YV12A ||
+        video_frame->format() == media::PIXEL_FORMAT_Y16)) {
     NOTREACHED() << media::VideoPixelFormatToString(video_frame->format());
     return;
   }
 
-  if (video_frame->HasTextures()) {
+  if (video_frame->HasTextures() ||
+      video_frame->format() == media::PIXEL_FORMAT_Y16) {
     main_task_runner_->PostTask(
         FROM_HERE, base::Bind(&Encoder::RetrieveFrameOnMainThread, this,
                               video_frame, capture_timestamp));
@@ -245,8 +247,10 @@ void VideoTrackRecorder::Encoder::RetrieveFrameOnMainThread(
   } else {
     // Accelerated decoders produce ARGB/ABGR texture-backed frames (see
     // https://crbug.com/585242), fetch them using a SkCanvasVideoRenderer.
-    DCHECK(video_frame->HasTextures());
-    DCHECK_EQ(media::PIXEL_FORMAT_ARGB, video_frame->format());
+    // Y16 CPU and GPU frames are using the same path for copying to RGBA.
+    DCHECK((video_frame->HasTextures() &&
+            video_frame->format() == media::PIXEL_FORMAT_ARGB) ||
+           video_frame->format() == media::PIXEL_FORMAT_Y16);
 
     frame = media::VideoFrame::CreateFrame(
         media::PIXEL_FORMAT_I420, video_frame->coded_size(),