Motown: Various fixes related to video playback support

services/media/framework_ffmpeg/ffmpeg_decoder_base.cc

 // Copyright 2016 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 "base/logging.h"
 #include "services/media/framework_ffmpeg/av_codec_context.h"
 #include "services/media/framework_ffmpeg/ffmpeg_decoder_base.h"
 
 namespace mojo {
 namespace media {
@@ skipping 75 matching lines @@
     DCHECK(*output == nullptr);
     *output = CreateOutputEndOfStreamPacket();
   }
 
   av_packet_.size = 0;
   av_packet_.data = nullptr;
 
   return true;
 }
 
+FfmpegDecoderBase::DecoderPacket::~DecoderPacket() {
+  av_buffer_unref(&av_buffer_ref_);
+}
+
+void FfmpegDecoderBase::DecoderPacket::Release() {
+  delete this;
+}
+
 }  // namespace media
 }  // namespace mojo