Prototype HTMLVideoElement properties for WebGL texImage2D

media/blink/webmediaplayer_impl.cc

Index: media/blink/webmediaplayer_impl.cc
diff --git a/media/blink/webmediaplayer_impl.cc b/media/blink/webmediaplayer_impl.cc
index 813a643f7cf0fc1e93183549f5163e3738b9889f..2dc413db109786c881801f81bd955bd672f6b1d9 100644
--- a/media/blink/webmediaplayer_impl.cc
+++ b/media/blink/webmediaplayer_impl.cc
@@ -702,6 +702,15 @@ void WebMediaPlayerImpl::selectedVideoTrackChanged(
   pipeline_controller_.OnSelectedVideoTrackChanged(selected_video_track_id);
 }
 
+bool WebMediaPlayerImpl::getLastUploadedFrameInfo(unsigned* width,
+                                                  unsigned* height,
+                                                  double* timestamp) {
+  *width = last_uploaded_frame_width_;
+  *height = last_uploaded_frame_height_;
+  *timestamp = last_uploaded_frame_timestamp_;
+  return true;
+}
+
 blink::WebSize WebMediaPlayerImpl::naturalSize() const {
   DCHECK(main_task_runner_->BelongsToCurrentThread());
 
@@ -894,6 +903,8 @@ void WebMediaPlayerImpl::paint(blink::WebCanvas* canvas,
 
   scoped_refptr<VideoFrame> video_frame = GetCurrentFrameFromCompositor();
 
+  UpdateLastUploadedFrameInfo(video_frame.get());
+
   gfx::Rect gfx_rect(rect);
   Context3D context_3d;
   if (video_frame.get() && video_frame->HasTextures()) {
@@ -972,6 +983,8 @@ bool WebMediaPlayerImpl::copyVideoTextureToPlatformTexture(
     return false;
   }
 
+  UpdateLastUploadedFrameInfo(video_frame.get());
+
   Context3D context_3d;
   if (!context_3d_cb_.is_null())
     context_3d = context_3d_cb_.Run();
@@ -2326,4 +2339,17 @@ void WebMediaPlayerImpl::RecordUnderflowDuration(base::TimeDelta duration) {
     UMA_HISTOGRAM_TIMES("Media.UnderflowDuration.MSE", duration);
 }
 
+void WebMediaPlayerImpl::UpdateLastUploadedFrameInfo(VideoFrame* video_frame) {
+  if (!video_frame) {
+    last_uploaded_frame_width_ = 0;
+    last_uploaded_frame_height_ = 0;
+    last_uploaded_frame_timestamp_ = 0.0;
+    return;
+  }
+
+  last_uploaded_frame_width_ = video_frame->natural_size().width();
+  last_uploaded_frame_height_ = video_frame->natural_size().height();
+  last_uploaded_frame_timestamp_ = video_frame->timestamp().InSecondsF();
+}
+
 }  // namespace media