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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 #include <memory> |
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105 | 105 |
106 // Allows callers to register for notification of config changes; this is | 106 // Allows callers to register for notification of config changes; this is |
107 // called immediately after receiving the 'kConfigChanged' status from the | 107 // called immediately after receiving the 'kConfigChanged' status from the |
108 // DemuxerStream, before any action is taken to handle the config change. | 108 // DemuxerStream, before any action is taken to handle the config change. |
109 typedef base::Closure ConfigChangeObserverCB; | 109 typedef base::Closure ConfigChangeObserverCB; |
110 void set_config_change_observer( | 110 void set_config_change_observer( |
111 const ConfigChangeObserverCB& config_change_observer) { | 111 const ConfigChangeObserverCB& config_change_observer) { |
112 config_change_observer_cb_ = config_change_observer; | 112 config_change_observer_cb_ = config_change_observer; |
113 } | 113 } |
114 | 114 |
115 // Allows tests to keep track the currently selected decoder. | |
116 typedef base::RepeatingCallback<void(Decoder*)> DecoderChangeObserverCB; | |
DaleCurtis
2017/04/26 19:41:14
using.
xhwang
2017/04/27 21:11:14
Done.
| |
117 void set_decoder_change_observer_for_testing( | |
118 const DecoderChangeObserverCB& decoder_change_observer_cb) { | |
DaleCurtis
2017/04/26 19:41:14
I believe std::move() is preferred now.
xhwang
2017/04/27 21:11:14
Done.
| |
119 decoder_change_observer_cb_ = decoder_change_observer_cb; | |
120 } | |
121 | |
115 int get_pending_buffers_size_for_testing() const { | 122 int get_pending_buffers_size_for_testing() const { |
116 return pending_buffers_.size(); | 123 return pending_buffers_.size(); |
117 } | 124 } |
118 | 125 |
119 int get_fallback_buffers_size_for_testing() const { | 126 int get_fallback_buffers_size_for_testing() const { |
120 return fallback_buffers_.size(); | 127 return fallback_buffers_.size(); |
121 } | 128 } |
122 | 129 |
123 private: | 130 private: |
124 enum State { | 131 enum State { |
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200 std::unique_ptr<DecoderSelector<StreamType>> decoder_selector_; | 207 std::unique_ptr<DecoderSelector<StreamType>> decoder_selector_; |
201 | 208 |
202 std::unique_ptr<Decoder> decoder_; | 209 std::unique_ptr<Decoder> decoder_; |
203 | 210 |
204 // Whether |decoder_| has produced a frame yet. Reset on fallback. | 211 // Whether |decoder_| has produced a frame yet. Reset on fallback. |
205 bool decoder_produced_a_frame_; | 212 bool decoder_produced_a_frame_; |
206 | 213 |
207 std::unique_ptr<DecryptingDemuxerStream> decrypting_demuxer_stream_; | 214 std::unique_ptr<DecryptingDemuxerStream> decrypting_demuxer_stream_; |
208 | 215 |
209 ConfigChangeObserverCB config_change_observer_cb_; | 216 ConfigChangeObserverCB config_change_observer_cb_; |
217 DecoderChangeObserverCB decoder_change_observer_cb_; | |
210 | 218 |
211 // An end-of-stream buffer has been sent for decoding, no more buffers should | 219 // An end-of-stream buffer has been sent for decoding, no more buffers should |
212 // be sent for decoding until it completes. | 220 // be sent for decoding until it completes. |
213 // TODO(sandersd): Turn this into a State. http://crbug.com/408316 | 221 // TODO(sandersd): Turn this into a State. http://crbug.com/408316 |
214 bool decoding_eos_; | 222 bool decoding_eos_; |
215 | 223 |
216 // Decoded buffers that haven't been read yet. Used when the decoder supports | 224 // Decoded buffers that haven't been read yet. Used when the decoder supports |
217 // parallel decoding. | 225 // parallel decoding. |
218 std::list<scoped_refptr<Output> > ready_outputs_; | 226 std::list<scoped_refptr<Output> > ready_outputs_; |
219 | 227 |
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253 | 261 |
254 template <> | 262 template <> |
255 int DecoderStream<DemuxerStream::AUDIO>::GetMaxDecodeRequests() const; | 263 int DecoderStream<DemuxerStream::AUDIO>::GetMaxDecodeRequests() const; |
256 | 264 |
257 typedef DecoderStream<DemuxerStream::VIDEO> VideoFrameStream; | 265 typedef DecoderStream<DemuxerStream::VIDEO> VideoFrameStream; |
258 typedef DecoderStream<DemuxerStream::AUDIO> AudioBufferStream; | 266 typedef DecoderStream<DemuxerStream::AUDIO> AudioBufferStream; |
259 | 267 |
260 } // namespace media | 268 } // namespace media |
261 | 269 |
262 #endif // MEDIA_FILTERS_DECODER_STREAM_H_ | 270 #endif // MEDIA_FILTERS_DECODER_STREAM_H_ |
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