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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_BASE_PIPELINE_H_ | 5 #ifndef MEDIA_BASE_PIPELINE_H_ |
| 6 #define MEDIA_BASE_PIPELINE_H_ | 6 #define MEDIA_BASE_PIPELINE_H_ |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 | 9 |
| 10 #include "base/gtest_prod_util.h" | 10 #include "base/gtest_prod_util.h" |
| 11 #include "base/synchronization/condition_variable.h" | 11 #include "base/synchronization/condition_variable.h" |
| 12 #include "base/synchronization/lock.h" | 12 #include "base/synchronization/lock.h" |
| 13 #include "base/threading/thread_checker.h" | 13 #include "base/threading/thread_checker.h" |
| 14 #include "base/time/default_tick_clock.h" | 14 #include "base/time/default_tick_clock.h" |
| 15 #include "media/base/audio_renderer.h" | 15 #include "media/base/audio_renderer.h" |
| 16 #include "media/base/buffering_state.h" | 16 #include "media/base/buffering_state.h" |
| 17 #include "media/base/demuxer.h" | 17 #include "media/base/demuxer.h" |
| 18 #include "media/base/media_export.h" | 18 #include "media/base/media_export.h" |
| 19 #include "media/base/pipeline_status.h" | 19 #include "media/base/pipeline_status.h" |
| 20 #include "media/base/ranges.h" | 20 #include "media/base/ranges.h" |
| 21 #include "media/base/serial_runner.h" | 21 #include "media/base/serial_runner.h" |
| 22 #include "media/base/video_decoder_config.h" | |
|
scherkus (not reviewing)
2014/07/07 22:41:11
no longer need this include
| |
| 23 #include "media/base/video_rotation.h" | |
| 22 #include "ui/gfx/size.h" | 24 #include "ui/gfx/size.h" |
| 23 | 25 |
| 24 namespace base { | 26 namespace base { |
| 25 class SingleThreadTaskRunner; | 27 class SingleThreadTaskRunner; |
| 26 class TimeDelta; | 28 class TimeDelta; |
| 27 } | 29 } |
| 28 | 30 |
| 29 namespace media { | 31 namespace media { |
| 30 | 32 |
| 31 class Clock; | 33 class Clock; |
| 32 class FilterCollection; | 34 class FilterCollection; |
| 33 class MediaLog; | 35 class MediaLog; |
| 34 class TextRenderer; | 36 class TextRenderer; |
| 35 class TextTrackConfig; | 37 class TextTrackConfig; |
| 36 class VideoRenderer; | 38 class VideoRenderer; |
| 37 | 39 |
| 38 // Metadata describing a pipeline once it has been initialized. | 40 // Metadata describing a pipeline once it has been initialized. |
| 39 struct PipelineMetadata { | 41 struct PipelineMetadata { |
| 40 PipelineMetadata() : has_audio(false), has_video(false) {} | 42 PipelineMetadata() |
| 43 : has_audio(false), has_video(false), video_rotation(VIDEO_ROTATION_0) {} | |
| 41 | 44 |
| 42 bool has_audio; | 45 bool has_audio; |
| 43 bool has_video; | 46 bool has_video; |
| 44 gfx::Size natural_size; | 47 gfx::Size natural_size; |
| 48 VideoRotation video_rotation; | |
| 45 base::Time timeline_offset; | 49 base::Time timeline_offset; |
| 46 }; | 50 }; |
| 47 | 51 |
| 48 typedef base::Callback<void(PipelineMetadata)> PipelineMetadataCB; | 52 typedef base::Callback<void(PipelineMetadata)> PipelineMetadataCB; |
| 49 | 53 |
| 50 // Pipeline runs the media pipeline. Filters are created and called on the | 54 // Pipeline runs the media pipeline. Filters are created and called on the |
| 51 // task runner injected into this object. Pipeline works like a state | 55 // task runner injected into this object. Pipeline works like a state |
| 52 // machine to perform asynchronous initialization, pausing, seeking and playing. | 56 // machine to perform asynchronous initialization, pausing, seeking and playing. |
| 53 // | 57 // |
| 54 // Here's a state diagram that describes the lifetime of this object. | 58 // Here's a state diagram that describes the lifetime of this object. |
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| 434 bool underflow_disabled_for_testing_; | 438 bool underflow_disabled_for_testing_; |
| 435 | 439 |
| 436 base::ThreadChecker thread_checker_; | 440 base::ThreadChecker thread_checker_; |
| 437 | 441 |
| 438 DISALLOW_COPY_AND_ASSIGN(Pipeline); | 442 DISALLOW_COPY_AND_ASSIGN(Pipeline); |
| 439 }; | 443 }; |
| 440 | 444 |
| 441 } // namespace media | 445 } // namespace media |
| 442 | 446 |
| 443 #endif // MEDIA_BASE_PIPELINE_H_ | 447 #endif // MEDIA_BASE_PIPELINE_H_ |
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