HW Video: Make media::VideoFrame handle the sync point of the compositor as well as webgl

content/renderer/media/rtc_video_decoder.cc

Index: content/renderer/media/rtc_video_decoder.cc
diff --git a/content/renderer/media/rtc_video_decoder.cc b/content/renderer/media/rtc_video_decoder.cc
index 0e9086fdd5fe9a11785444a14fe3ab0275056463..71fe3f62c3266e55960d521a2c1d10bfaa276eb4 100644
--- a/content/renderer/media/rtc_video_decoder.cc
+++ b/content/renderer/media/rtc_video_decoder.cc
@@ -403,24 +403,24 @@ void RTCVideoDecoder::PictureReady(const media::Picture& picture) {
 static void ReadPixelsSyncInner(
     const scoped_refptr<media::GpuVideoAcceleratorFactories>& factories,
     uint32 texture_id,
-    const gfx::Rect& visible_rect,
+    const scoped_refptr<media::VideoFrame>& frame,
     const SkBitmap& pixels,
     base::WaitableEvent* event) {
-  factories->ReadPixels(texture_id, visible_rect, pixels);
+  factories->ReadPixels(texture_id, frame, pixels);
   event->Signal();
 }
 
 static void ReadPixelsSync(
     const scoped_refptr<media::GpuVideoAcceleratorFactories>& factories,
     uint32 texture_id,
-    const gfx::Rect& visible_rect,
+    const scoped_refptr<media::VideoFrame>& frame,
     const SkBitmap& pixels) {
   base::WaitableEvent event(true, false);
   if (!factories->GetTaskRunner()->PostTask(FROM_HERE,
                                             base::Bind(&ReadPixelsSyncInner,
                                                        factories,
                                                        texture_id,
-                                                       visible_rect,
+                                                       frame,
                                                        pixels,
                                                        &event)))
     return;
@@ -449,7 +449,7 @@ scoped_refptr<media::VideoFrame> RTCVideoDecoder::CreateVideoFrame(
       visible_rect,
       visible_rect.size(),
       timestamp_ms,
-      base::Bind(&ReadPixelsSync, factories_, pb.texture_id(), visible_rect));
+      base::Bind(&ReadPixelsSync, factories_, pb.texture_id()));
 }
 
 void RTCVideoDecoder::NotifyEndOfBitstreamBuffer(int32 id) {
@@ -640,7 +640,8 @@ void RTCVideoDecoder::ResetInternal() {
 
 void RTCVideoDecoder::ReusePictureBuffer(
     int64 picture_buffer_id,
-    scoped_ptr<gpu::MailboxHolder> mailbox_holder) {
+    scoped_ptr<gpu::MailboxHolder> mailbox_holder,
+    const std::vector<uint32>& release_sync_points) {
   DCHECK(vda_task_runner_->BelongsToCurrentThread());
   DVLOG(3) << "ReusePictureBuffer. id=" << picture_buffer_id;
 
@@ -664,7 +665,8 @@ void RTCVideoDecoder::ReusePictureBuffer(
     return;
   }
 
-  factories_->WaitSyncPoint(mailbox_holder->sync_point);
+  for (size_t i = 0; i < release_sync_points.size(); i++)
+    factories_->WaitSyncPoint(release_sync_points[i]);
 
   vda_->ReusePictureBuffer(picture_buffer_id);
 }