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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_FFMPEG_AUDIO_DECODER_H_ | 5 #ifndef MEDIA_FILTERS_FFMPEG_AUDIO_DECODER_H_ |
| 6 #define MEDIA_FILTERS_FFMPEG_AUDIO_DECODER_H_ | 6 #define MEDIA_FILTERS_FFMPEG_AUDIO_DECODER_H_ |
| 7 | 7 |
| 8 #include <list> | 8 #include <list> |
| 9 | 9 |
| 10 #include "base/callback.h" | 10 #include "base/callback.h" |
| 11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
| 12 #include "base/memory/weak_ptr.h" | |
| 13 #include "base/time/time.h" | 12 #include "base/time/time.h" |
| 14 #include "media/base/audio_decoder.h" | 13 #include "media/base/audio_decoder.h" |
| 15 #include "media/base/demuxer_stream.h" | 14 #include "media/base/demuxer_stream.h" |
| 16 #include "media/base/sample_format.h" | 15 #include "media/base/sample_format.h" |
| 17 #include "media/ffmpeg/ffmpeg_deleters.h" | 16 #include "media/ffmpeg/ffmpeg_deleters.h" |
| 18 | 17 |
| 19 struct AVCodecContext; | 18 struct AVCodecContext; |
| 20 struct AVFrame; | 19 struct AVFrame; |
| 21 | 20 |
| 22 namespace base { | 21 namespace base { |
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| 66 // Handles (re-)initializing the decoder with a (new) config. | 65 // Handles (re-)initializing the decoder with a (new) config. |
| 67 // Returns true if initialization was successful. | 66 // Returns true if initialization was successful. |
| 68 bool ConfigureDecoder(); | 67 bool ConfigureDecoder(); |
| 69 | 68 |
| 70 // Releases resources associated with |codec_context_| and |av_frame_| | 69 // Releases resources associated with |codec_context_| and |av_frame_| |
| 71 // and resets them to NULL. | 70 // and resets them to NULL. |
| 72 void ReleaseFFmpegResources(); | 71 void ReleaseFFmpegResources(); |
| 73 void ResetTimestampState(); | 72 void ResetTimestampState(); |
| 74 | 73 |
| 75 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 74 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
| 76 base::WeakPtrFactory<FFmpegAudioDecoder> weak_factory_; | |
| 77 base::WeakPtr<FFmpegAudioDecoder> weak_this_; | |
| 78 | 75 |
| 79 DecoderState state_; | 76 DecoderState state_; |
| 80 | 77 |
| 81 // FFmpeg structures owned by this object. | 78 // FFmpeg structures owned by this object. |
| 82 scoped_ptr<AVCodecContext, ScopedPtrAVFreeContext> codec_context_; | 79 scoped_ptr<AVCodecContext, ScopedPtrAVFreeContext> codec_context_; |
| 83 scoped_ptr<AVFrame, ScopedPtrAVFreeFrame> av_frame_; | 80 scoped_ptr<AVFrame, ScopedPtrAVFreeFrame> av_frame_; |
| 84 | 81 |
| 85 // Decoded audio format. | 82 // Decoded audio format. |
| 86 int bytes_per_channel_; | 83 int bytes_per_channel_; |
| 87 ChannelLayout channel_layout_; | 84 ChannelLayout channel_layout_; |
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| 104 // Since multiple frames may be decoded from the same packet we need to queue | 101 // Since multiple frames may be decoded from the same packet we need to queue |
| 105 // them up. | 102 // them up. |
| 106 std::list<scoped_refptr<AudioBuffer> > queued_audio_; | 103 std::list<scoped_refptr<AudioBuffer> > queued_audio_; |
| 107 | 104 |
| 108 DISALLOW_IMPLICIT_CONSTRUCTORS(FFmpegAudioDecoder); | 105 DISALLOW_IMPLICIT_CONSTRUCTORS(FFmpegAudioDecoder); |
| 109 }; | 106 }; |
| 110 | 107 |
| 111 } // namespace media | 108 } // namespace media |
| 112 | 109 |
| 113 #endif // MEDIA_FILTERS_FFMPEG_AUDIO_DECODER_H_ | 110 #endif // MEDIA_FILTERS_FFMPEG_AUDIO_DECODER_H_ |
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