Refactor audio and video decoder status into common file.

media/filters/decoder_stream.h

 // 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.
 
 #ifndef MEDIA_FILTERS_DECODER_STREAM_H_
 #define MEDIA_FILTERS_DECODER_STREAM_H_
 
 #include <list>
 
 #include "base/callback.h"
@@ skipping 21 matching lines @@
 class DecryptingDemuxerStream;
 
 // Wraps a DemuxerStream and a list of Decoders and provides decoded
 // output to its client (e.g. Audio/VideoRendererImpl).
 template<DemuxerStream::Type StreamType>
 class MEDIA_EXPORT DecoderStream {
  public:
   typedef DecoderStreamTraits<StreamType> StreamTraits;
   typedef typename StreamTraits::DecoderType Decoder;
   typedef typename StreamTraits::OutputType Output;
-  typedef typename Decoder::Status DecoderStatus;

[xhwang, 2016/03/29 19:42:28]

nice!

 
   enum Status {
     OK,  // Everything went as planned.
     ABORTED,  // Read aborted due to Reset() during pending read.
     DEMUXER_READ_ABORTED,  // Demuxer returned aborted read.
     DECODE_ERROR,  // Decoder returned decode error.
   };
 
   // Indicates completion of a DecoderStream initialization.
   typedef base::Callback<void(bool success)> InitCB;
@@ skipping 182 matching lines @@
 
 template <>
 int DecoderStream<DemuxerStream::AUDIO>::GetMaxDecodeRequests() const;
 
 typedef DecoderStream<DemuxerStream::VIDEO> VideoFrameStream;
 typedef DecoderStream<DemuxerStream::AUDIO> AudioBufferStream;
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_DECODER_STREAM_H_