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// 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_TRAITS_H_
#define MEDIA_FILTERS_DECODER_STREAM_TRAITS_H_
#include "media/base/demuxer_stream.h"
#include "media/base/pipeline_status.h"
namespace media {
class AudioBuffer;
class AudioDecoder;
class DecryptingAudioDecoder;
class DecryptingVideoDecoder;
class DemuxerStream;
class VideoDecoder;
class VideoFrame;
template <DemuxerStream::Type StreamType>
struct DecoderStreamTraits {};
template <>
struct DecoderStreamTraits<DemuxerStream::AUDIO> {
typedef AudioBuffer OutputType;
typedef AudioDecoder DecoderType;
typedef DecryptingAudioDecoder DecryptingDecoderType;
typedef base::Callback<void(bool success)> InitCB;
typedef base::Callback<void(const scoped_refptr<OutputType>&)> OutputCB;
static std::string ToString();
static void InitializeDecoder(DecoderType* decoder,
DemuxerStream* stream,
const InitCB& init_cb,
const OutputCB& output_cb);
static bool NeedsBitstreamConversion(DecoderType* decoder) { return false; }
static void ReportStatistics(const StatisticsCB& statistics_cb,
int bytes_decoded);
static scoped_refptr<OutputType> CreateEOSOutput();
};
template <>
struct DecoderStreamTraits<DemuxerStream::VIDEO> {
typedef VideoFrame OutputType;
typedef VideoDecoder DecoderType;
typedef DecryptingVideoDecoder DecryptingDecoderType;
typedef base::Callback<void(bool success)> InitCB;
typedef base::Callback<void(const scoped_refptr<OutputType>&)> OutputCB;
static std::string ToString();
static void InitializeDecoder(DecoderType* decoder,
DemuxerStream* stream,
const InitCB& init_cb,
const OutputCB& output_cb);
static bool NeedsBitstreamConversion(DecoderType* decoder);
static void ReportStatistics(const StatisticsCB& statistics_cb,
int bytes_decoded);
static scoped_refptr<OutputType> CreateEOSOutput();
};
} // namespace media
#endif // MEDIA_FILTERS_DECODER_STREAM_TRAITS_H_
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