Verify returned frames from media::VideoFrame::Wrap*() methods

media/cast/test/fake_media_source.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/cast/test/fake_media_source.h"
 
 #include "base/bind.h"
 #include "base/files/scoped_file.h"
 #include "base/logging.h"
 #include "base/rand_util.h"
@@ skipping 528 matching lines @@
       PtsToTimeDelta(avframe->pkt_pts - video_first_pts_, time_base);
   if (timestamp < last_video_frame_timestamp_) {
     // Stream has rewound.  Rebase |video_first_pts_|.
     const AVRational& frame_rate = av_video_stream()->r_frame_rate;
     timestamp = last_video_frame_timestamp_ +
         (base::TimeDelta::FromSeconds(1) * frame_rate.den / frame_rate.num);
     const int64 adjustment_pts = TimeDeltaToPts(timestamp, time_base);
     video_first_pts_ = avframe->pkt_pts - adjustment_pts;
   }
 
-  video_frame_queue_.push(VideoFrame::WrapExternalYuvData(
-      media::PIXEL_FORMAT_YV12, size, gfx::Rect(size), size,
-      avframe->linesize[0], avframe->linesize[1], avframe->linesize[2],
-      avframe->data[0], avframe->data[1], avframe->data[2], timestamp));
+  scoped_refptr<media::VideoFrame> video_frame =
+      VideoFrame::WrapExternalYuvData(
+          media::PIXEL_FORMAT_YV12, size, gfx::Rect(size), size,
+          avframe->linesize[0], avframe->linesize[1], avframe->linesize[2],
+          avframe->data[0], avframe->data[1], avframe->data[2], timestamp);
+  if (!video_frame)
+    return;
+  video_frame_queue_.push(video_frame);
   video_frame_queue_.back()->AddDestructionObserver(
       base::Bind(&AVFreeFrame, avframe));
   last_video_frame_timestamp_ = timestamp;
 }
 
 void FakeMediaSource::Decode(bool decode_audio) {
   // Read the stream until one video frame can be decoded.
   while (true) {
     if (decode_audio && !audio_bus_queue_.empty())
       return;
@@ skipping 46 matching lines @@
 AVCodecContext* FakeMediaSource::av_audio_context() {
   return av_audio_stream()->codec;
 }
 
 AVCodecContext* FakeMediaSource::av_video_context() {
   return av_video_stream()->codec;
 }
 
 }  // namespace cast
 }  // namespace media