Passing Native Texture backed Video Frame from Renderer to GPU process

content/renderer/media/webrtc/webrtc_video_capturer_adapter.cc

Index: content/renderer/media/webrtc/webrtc_video_capturer_adapter.cc
diff --git a/content/renderer/media/webrtc/webrtc_video_capturer_adapter.cc b/content/renderer/media/webrtc/webrtc_video_capturer_adapter.cc
index cb1a832fbfe25a29684623266dd12c6fa5c3168a..c2eb3459614127d69e3a132ff015c2ee9bbf8101 100644
--- a/content/renderer/media/webrtc/webrtc_video_capturer_adapter.cc
+++ b/content/renderer/media/webrtc/webrtc_video_capturer_adapter.cc
@@ -71,6 +71,17 @@ class WebRtcVideoCapturerAdapter::MediaVideoFrameFactory
     DCHECK(input_frame == &captured_frame_);
     DCHECK(frame_.get());
 
+    const int64_t timestamp_ns = frame_->timestamp().InMicroseconds() *
+                                 base::Time::kNanosecondsPerMicrosecond;
+
+    // Return |frame_| directly if it is texture backed, because there is no
+    // cropping support for texture yet. See http://crbug/503653.
+    if (frame_->HasTextures()) {
+      return new cricket::WebRtcVideoFrame(
+          new rtc::RefCountedObject<WebRtcVideoFrameAdapter>(frame_),
+          captured_frame_.elapsed_time, timestamp_ns);
+    }
+
     // Create a centered cropped visible rect that preservers aspect ratio for
     // cropped natural size.
     gfx::Rect visible_rect = frame_->visible_rect();
@@ -84,9 +95,6 @@ class WebRtcVideoCapturerAdapter::MediaVideoFrameFactory
     video_frame->AddDestructionObserver(
         base::Bind(&ReleaseOriginalFrame, frame_));
 
-    const int64_t timestamp_ns = frame_->timestamp().InMicroseconds() *
-                                 base::Time::kNanosecondsPerMicrosecond;
-
     // If no scaling is needed, return a wrapped version of |frame_| directly.
     if (video_frame->natural_size() == video_frame->visible_rect().size()) {
       return new cricket::WebRtcVideoFrame(
@@ -208,11 +216,11 @@ void WebRtcVideoCapturerAdapter::OnFrameCaptured(
     const scoped_refptr<media::VideoFrame>& frame) {
   DCHECK(thread_checker_.CalledOnValidThread());
   TRACE_EVENT0("video", "WebRtcVideoCapturerAdapter::OnFrameCaptured");
-  if (!(media::VideoFrame::I420 == frame->format() ||
-        media::VideoFrame::YV12 == frame->format())) {
-    // Some types of sources support textures as output. Since connecting
-    // sources and sinks do not check the format, we need to just ignore
-    // formats that we can not handle.
+  if (!((frame->IsMappable() && (frame->format() == media::VideoFrame::I420 ||
+                                 frame->format() == media::VideoFrame::YV12)) ||
+        frame->HasTextures())) {
+    // Since connecting sources and sinks do not check the format, we need to
+    // just ignore formats that we can not handle.
     NOTREACHED();
     return;
   }