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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef MEDIA_FILTERS_DECODER_STREAM_H_ | 5 #ifndef MEDIA_FILTERS_DECODER_STREAM_H_ |
| 6 #define MEDIA_FILTERS_DECODER_STREAM_H_ | 6 #define MEDIA_FILTERS_DECODER_STREAM_H_ |
| 7 | 7 |
| 8 #include <deque> | 8 #include <deque> |
| 9 #include <list> | 9 #include <list> |
| 10 #include <memory> |
| 10 | 11 |
| 11 #include "base/callback.h" | 12 #include "base/callback.h" |
| 12 #include "base/compiler_specific.h" | 13 #include "base/compiler_specific.h" |
| 13 #include "base/memory/ref_counted.h" | 14 #include "base/memory/ref_counted.h" |
| 14 #include "base/memory/scoped_vector.h" | 15 #include "base/memory/scoped_vector.h" |
| 15 #include "base/memory/weak_ptr.h" | 16 #include "base/memory/weak_ptr.h" |
| 16 #include "media/base/audio_decoder.h" | 17 #include "media/base/audio_decoder.h" |
| 18 #include "media/base/audio_timestamp_helper.h" |
| 17 #include "media/base/demuxer_stream.h" | 19 #include "media/base/demuxer_stream.h" |
| 18 #include "media/base/media_export.h" | 20 #include "media/base/media_export.h" |
| 19 #include "media/base/media_log.h" | 21 #include "media/base/media_log.h" |
| 20 #include "media/base/moving_average.h" | 22 #include "media/base/moving_average.h" |
| 21 #include "media/base/pipeline_status.h" | 23 #include "media/base/pipeline_status.h" |
| 22 #include "media/base/timestamp_constants.h" | 24 #include "media/base/timestamp_constants.h" |
| 23 #include "media/filters/decoder_selector.h" | 25 #include "media/filters/decoder_selector.h" |
| 24 #include "media/filters/decoder_stream_traits.h" | 26 #include "media/filters/decoder_stream_traits.h" |
| 25 | 27 |
| 26 namespace base { | 28 namespace base { |
| 27 class SingleThreadTaskRunner; | 29 class SingleThreadTaskRunner; |
| 28 } | 30 } |
| 29 | 31 |
| 30 namespace media { | 32 namespace media { |
| 31 | 33 |
| 32 class CdmContext; | 34 class CdmContext; |
| 33 class DecryptingDemuxerStream; | 35 class DecryptingDemuxerStream; |
| 34 | 36 |
| 35 // Wraps a DemuxerStream and a list of Decoders and provides decoded | 37 // Wraps a DemuxerStream and a list of Decoders and provides decoded |
| 36 // output to its client (e.g. Audio/VideoRendererImpl). | 38 // output to its client (e.g. Audio/VideoRendererImpl). |
| 37 template<DemuxerStream::Type StreamType> | 39 template<DemuxerStream::Type StreamType> |
| 38 class MEDIA_EXPORT DecoderStream { | 40 class MEDIA_EXPORT DecoderStream { |
| 39 public: | 41 public: |
| 40 typedef DecoderStreamTraits<StreamType> StreamTraits; | 42 typedef DecoderStreamTraits<StreamType> StreamTraits; |
| 41 typedef typename StreamTraits::DecoderType Decoder; | 43 typedef typename StreamTraits::DecoderType Decoder; |
| 42 typedef typename StreamTraits::OutputType Output; | 44 typedef typename StreamTraits::OutputType Output; |
| 45 typedef typename StreamTraits::ConfigType Config; |
| 43 | 46 |
| 44 enum Status { | 47 enum Status { |
| 45 OK, // Everything went as planned. | 48 OK, // Everything went as planned. |
| 46 ABORTED, // Read aborted due to Reset() during pending read. | 49 ABORTED, // Read aborted due to Reset() during pending read. |
| 47 DEMUXER_READ_ABORTED, // Demuxer returned aborted read. | 50 DEMUXER_READ_ABORTED, // Demuxer returned aborted read. |
| 48 DECODE_ERROR, // Decoder returned decode error. | 51 DECODE_ERROR, // Decoder returned decode error. |
| 49 }; | 52 }; |
| 50 | 53 |
| 51 // Indicates completion of a DecoderStream initialization. | 54 // Indicates completion of a DecoderStream initialization. |
| 52 typedef base::Callback<void(bool success)> InitCB; | 55 typedef base::Callback<void(bool success)> InitCB; |
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| 185 void ReinitializeDecoder(); | 188 void ReinitializeDecoder(); |
| 186 | 189 |
| 187 // Callback for Decoder reinitialization. | 190 // Callback for Decoder reinitialization. |
| 188 void OnDecoderReinitialized(bool success); | 191 void OnDecoderReinitialized(bool success); |
| 189 | 192 |
| 190 void CompleteDecoderReinitialization(bool success); | 193 void CompleteDecoderReinitialization(bool success); |
| 191 | 194 |
| 192 void ResetDecoder(); | 195 void ResetDecoder(); |
| 193 void OnDecoderReset(); | 196 void OnDecoderReset(); |
| 194 | 197 |
| 198 DecoderStreamTraits<StreamType> traits_; |
| 199 |
| 195 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 200 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
| 196 | 201 |
| 197 scoped_refptr<MediaLog> media_log_; | 202 scoped_refptr<MediaLog> media_log_; |
| 198 | 203 |
| 199 State state_; | 204 State state_; |
| 200 | 205 |
| 201 StatisticsCB statistics_cb_; | 206 StatisticsCB statistics_cb_; |
| 202 InitCB init_cb_; | 207 InitCB init_cb_; |
| 203 base::Closure waiting_for_decryption_key_cb_; | 208 base::Closure waiting_for_decryption_key_cb_; |
| 204 | 209 |
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| 270 | 275 |
| 271 template <> | 276 template <> |
| 272 int DecoderStream<DemuxerStream::AUDIO>::GetMaxDecodeRequests() const; | 277 int DecoderStream<DemuxerStream::AUDIO>::GetMaxDecodeRequests() const; |
| 273 | 278 |
| 274 typedef DecoderStream<DemuxerStream::VIDEO> VideoFrameStream; | 279 typedef DecoderStream<DemuxerStream::VIDEO> VideoFrameStream; |
| 275 typedef DecoderStream<DemuxerStream::AUDIO> AudioBufferStream; | 280 typedef DecoderStream<DemuxerStream::AUDIO> AudioBufferStream; |
| 276 | 281 |
| 277 } // namespace media | 282 } // namespace media |
| 278 | 283 |
| 279 #endif // MEDIA_FILTERS_DECODER_STREAM_H_ | 284 #endif // MEDIA_FILTERS_DECODER_STREAM_H_ |
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