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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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337 // The Time associated with timestamp 0. Set to a null | 337 // The Time associated with timestamp 0. Set to a null |
338 // time if the file doesn't have an association to Time. | 338 // time if the file doesn't have an association to Time. |
339 base::Time timeline_offset_; | 339 base::Time timeline_offset_; |
340 | 340 |
341 // Whether text streams have been enabled for this demuxer. | 341 // Whether text streams have been enabled for this demuxer. |
342 bool text_enabled_; | 342 bool text_enabled_; |
343 | 343 |
344 // Set if we know duration of the audio stream. Used when processing end of | 344 // Set if we know duration of the audio stream. Used when processing end of |
345 // stream -- at this moment we definitely know duration. | 345 // stream -- at this moment we definitely know duration. |
346 bool duration_known_; | 346 bool duration_known_; |
| 347 base::TimeDelta duration_; |
347 | 348 |
348 // FFmpegURLProtocol implementation and corresponding glue bits. | 349 // FFmpegURLProtocol implementation and corresponding glue bits. |
349 std::unique_ptr<BlockingUrlProtocol> url_protocol_; | 350 std::unique_ptr<BlockingUrlProtocol> url_protocol_; |
350 std::unique_ptr<FFmpegGlue> glue_; | 351 std::unique_ptr<FFmpegGlue> glue_; |
351 | 352 |
352 const EncryptedMediaInitDataCB encrypted_media_init_data_cb_; | 353 const EncryptedMediaInitDataCB encrypted_media_init_data_cb_; |
353 | 354 |
354 const MediaTracksUpdatedCB media_tracks_updated_cb_; | 355 const MediaTracksUpdatedCB media_tracks_updated_cb_; |
355 | 356 |
356 std::map<MediaTrack::Id, DemuxerStream*> track_id_to_demux_stream_map_; | 357 std::map<MediaTrack::Id, DemuxerStream*> track_id_to_demux_stream_map_; |
357 | 358 |
358 // NOTE: Weak pointers must be invalidated before all other member variables. | 359 // NOTE: Weak pointers must be invalidated before all other member variables. |
359 base::WeakPtr<FFmpegDemuxer> weak_this_; | 360 base::WeakPtr<FFmpegDemuxer> weak_this_; |
360 base::WeakPtrFactory<FFmpegDemuxer> cancel_pending_seek_factory_; | 361 base::WeakPtrFactory<FFmpegDemuxer> cancel_pending_seek_factory_; |
361 base::WeakPtrFactory<FFmpegDemuxer> weak_factory_; | 362 base::WeakPtrFactory<FFmpegDemuxer> weak_factory_; |
362 | 363 |
363 DISALLOW_COPY_AND_ASSIGN(FFmpegDemuxer); | 364 DISALLOW_COPY_AND_ASSIGN(FFmpegDemuxer); |
364 }; | 365 }; |
365 | 366 |
366 } // namespace media | 367 } // namespace media |
367 | 368 |
368 #endif // MEDIA_FILTERS_FFMPEG_DEMUXER_H_ | 369 #endif // MEDIA_FILTERS_FFMPEG_DEMUXER_H_ |
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