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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 // Implements the Demuxer interface using FFmpeg's libavformat. At this time | 5 // Implements the Demuxer interface using FFmpeg's libavformat. At this time |
| 6 // will support demuxing any audio/video format thrown at it. The streams | 6 // will support demuxing any audio/video format thrown at it. The streams |
| 7 // output mime types audio/x-ffmpeg and video/x-ffmpeg and include an integer | 7 // output mime types audio/x-ffmpeg and video/x-ffmpeg and include an integer |
| 8 // key FFmpegCodecID which contains the CodecID enumeration value. The CodecIDs | 8 // key FFmpegCodecID which contains the CodecID enumeration value. The CodecIDs |
| 9 // can be used to create and initialize the corresponding FFmpeg decoder. | 9 // can be used to create and initialize the corresponding FFmpeg decoder. |
| 10 // | 10 // |
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| 22 #ifndef MEDIA_FILTERS_FFMPEG_DEMUXER_H_ | 22 #ifndef MEDIA_FILTERS_FFMPEG_DEMUXER_H_ |
| 23 #define MEDIA_FILTERS_FFMPEG_DEMUXER_H_ | 23 #define MEDIA_FILTERS_FFMPEG_DEMUXER_H_ |
| 24 | 24 |
| 25 #include <deque> | 25 #include <deque> |
| 26 #include <vector> | 26 #include <vector> |
| 27 | 27 |
| 28 #include "base/callback.h" | 28 #include "base/callback.h" |
| 29 #include "base/gtest_prod_util.h" | 29 #include "base/gtest_prod_util.h" |
| 30 #include "base/synchronization/waitable_event.h" | 30 #include "base/synchronization/waitable_event.h" |
| 31 #include "media/base/audio_decoder_config.h" | 31 #include "media/base/audio_decoder_config.h" |
| 32 #include "media/base/buffers.h" | 32 #include "media/base/decoder_buffer.h" |
| 33 #include "media/base/demuxer.h" | 33 #include "media/base/demuxer.h" |
| 34 #include "media/base/pipeline.h" | 34 #include "media/base/pipeline.h" |
| 35 #include "media/base/video_decoder_config.h" | 35 #include "media/base/video_decoder_config.h" |
| 36 #include "media/filters/ffmpeg_glue.h" | 36 #include "media/filters/ffmpeg_glue.h" |
| 37 | 37 |
| 38 // FFmpeg forward declarations. | 38 // FFmpeg forward declarations. |
| 39 struct AVFormatContext; | 39 struct AVFormatContext; |
| 40 struct AVPacket; | 40 struct AVPacket; |
| 41 struct AVRational; | 41 struct AVRational; |
| 42 struct AVStream; | 42 struct AVStream; |
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| 104 | 104 |
| 105 FFmpegDemuxer* demuxer_; | 105 FFmpegDemuxer* demuxer_; |
| 106 AVStream* stream_; | 106 AVStream* stream_; |
| 107 AudioDecoderConfig audio_config_; | 107 AudioDecoderConfig audio_config_; |
| 108 VideoDecoderConfig video_config_; | 108 VideoDecoderConfig video_config_; |
| 109 Type type_; | 109 Type type_; |
| 110 base::TimeDelta duration_; | 110 base::TimeDelta duration_; |
| 111 bool discontinuous_; | 111 bool discontinuous_; |
| 112 bool stopped_; | 112 bool stopped_; |
| 113 | 113 |
| 114 typedef std::deque<scoped_refptr<Buffer> > BufferQueue; | 114 typedef std::deque<scoped_refptr<DecoderBuffer> > BufferQueue; |
| 115 BufferQueue buffer_queue_; | 115 BufferQueue buffer_queue_; |
| 116 | 116 |
| 117 typedef std::deque<ReadCB> ReadQueue; | 117 typedef std::deque<ReadCB> ReadQueue; |
| 118 ReadQueue read_queue_; | 118 ReadQueue read_queue_; |
| 119 | 119 |
| 120 // Used to translate bitstream formats. | 120 // Used to translate bitstream formats. |
| 121 scoped_ptr<BitstreamConverter> bitstream_converter_; | 121 scoped_ptr<BitstreamConverter> bitstream_converter_; |
| 122 | 122 |
| 123 // Used to synchronize access to |buffer_queue_|, |read_queue_|, and | 123 // Used to synchronize access to |buffer_queue_|, |read_queue_|, and |
| 124 // |stopped_|. This is so other threads can get access to buffers that have | 124 // |stopped_|. This is so other threads can get access to buffers that have |
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| 246 // Whether audio has been disabled for this demuxer (in which case this class | 246 // Whether audio has been disabled for this demuxer (in which case this class |
| 247 // drops packets destined for AUDIO demuxer streams on the floor). | 247 // drops packets destined for AUDIO demuxer streams on the floor). |
| 248 bool audio_disabled_; | 248 bool audio_disabled_; |
| 249 | 249 |
| 250 DISALLOW_COPY_AND_ASSIGN(FFmpegDemuxer); | 250 DISALLOW_COPY_AND_ASSIGN(FFmpegDemuxer); |
| 251 }; | 251 }; |
| 252 | 252 |
| 253 } // namespace media | 253 } // namespace media |
| 254 | 254 |
| 255 #endif // MEDIA_FILTERS_FFMPEG_DEMUXER_H_ | 255 #endif // MEDIA_FILTERS_FFMPEG_DEMUXER_H_ |
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