Add delay in FFmpegVideoDecoder::Decode().

media/filters/video_renderer_impl.cc

 // Copyright 2013 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/filters/video_renderer_impl.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/callback_helpers.h"
 #include "base/debug/trace_event.h"
@@ skipping 249 matching lines @@
   last_timestamp_ = next_frame->timestamp();
 
   paint_cb_.Run(next_frame);
 
   task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&VideoRendererImpl::AttemptRead, weak_factory_.GetWeakPtr()));
 }
 
 void VideoRendererImpl::DropNextReadyFrame_Locked() {
+  DVLOG(2) << __FUNCTION__;
   TRACE_EVENT0("media", "VideoRendererImpl:frameDropped");
 
   lock_.AssertAcquired();
 
   last_timestamp_ = ready_frames_.front()->timestamp();
   ready_frames_.pop_front();
   frames_decoded_++;
   frames_dropped_++;
 
   task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&VideoRendererImpl::AttemptRead, weak_factory_.GetWeakPtr()));
 }
 
 void VideoRendererImpl::FrameReady(VideoFrameStream::Status status,
                                    const scoped_refptr<VideoFrame>& frame) {
+  DVLOG(2) << __FUNCTION__;
   base::AutoLock auto_lock(lock_);
   DCHECK_NE(state_, kUninitialized);
   DCHECK_NE(state_, kFlushed);
 
   CHECK(pending_read_);
   pending_read_ = false;
 
   if (status == VideoFrameStream::DECODE_ERROR ||
       status == VideoFrameStream::DECRYPT_ERROR) {
     DCHECK(!frame.get());
@@ skipping 163 matching lines @@
     task_runner_->PostTask(FROM_HERE, base::Bind(statistics_cb_, statistics));
 
     frames_decoded_ = 0;
     frames_dropped_ = 0;
   }
 
   frame_available_.TimedWait(wait_duration);
 }
 
 }  // namespace media