OLD | NEW |
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 // Audio rendering unit utilizing an AudioRendererSink to output data. | 5 // Audio rendering unit utilizing an AudioRendererSink to output data. |
6 // | 6 // |
7 // This class lives inside three threads during it's lifetime, namely: | 7 // This class lives inside three threads during it's lifetime, namely: |
8 // 1. Render thread | 8 // 1. Render thread |
9 // Where the object is created. | 9 // Where the object is created. |
10 // 2. Media thread (provided via constructor) | 10 // 2. Media thread (provided via constructor) |
11 // All AudioDecoder methods are called on this thread. | 11 // All AudioDecoder methods are called on this thread. |
12 // 3. Audio thread created by the AudioRendererSink. | 12 // 3. Audio thread created by the AudioRendererSink. |
13 // Render() is called here where audio data is decoded into raw PCM data. | 13 // Render() is called here where audio data is decoded into raw PCM data. |
14 // | 14 // |
15 // AudioRendererImpl talks to an AudioRendererAlgorithm that takes care of | 15 // AudioRendererImpl talks to an AudioRendererAlgorithm that takes care of |
16 // queueing audio data and stretching/shrinking audio data when playback rate != | 16 // queueing audio data and stretching/shrinking audio data when playback rate != |
17 // 1.0 or 0.0. | 17 // 1.0 or 0.0. |
18 | 18 |
19 #ifndef MEDIA_RENDERERS_AUDIO_RENDERER_IMPL_H_ | 19 #ifndef MEDIA_RENDERERS_AUDIO_RENDERER_IMPL_H_ |
20 #define MEDIA_RENDERERS_AUDIO_RENDERER_IMPL_H_ | 20 #define MEDIA_RENDERERS_AUDIO_RENDERER_IMPL_H_ |
21 | 21 |
| 22 #include <stdint.h> |
| 23 |
22 #include <deque> | 24 #include <deque> |
23 | 25 |
24 #include "base/macros.h" | 26 #include "base/macros.h" |
25 #include "base/memory/scoped_ptr.h" | 27 #include "base/memory/scoped_ptr.h" |
26 #include "base/memory/weak_ptr.h" | 28 #include "base/memory/weak_ptr.h" |
27 #include "base/synchronization/lock.h" | 29 #include "base/synchronization/lock.h" |
28 #include "media/base/audio_decoder.h" | 30 #include "media/base/audio_decoder.h" |
29 #include "media/base/audio_renderer.h" | 31 #include "media/base/audio_renderer.h" |
30 #include "media/base/audio_renderer_sink.h" | 32 #include "media/base/audio_renderer_sink.h" |
31 #include "media/base/decryptor.h" | 33 #include "media/base/decryptor.h" |
(...skipping 250 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
282 | 284 |
283 // NOTE: Weak pointers must be invalidated before all other member variables. | 285 // NOTE: Weak pointers must be invalidated before all other member variables. |
284 base::WeakPtrFactory<AudioRendererImpl> weak_factory_; | 286 base::WeakPtrFactory<AudioRendererImpl> weak_factory_; |
285 | 287 |
286 DISALLOW_COPY_AND_ASSIGN(AudioRendererImpl); | 288 DISALLOW_COPY_AND_ASSIGN(AudioRendererImpl); |
287 }; | 289 }; |
288 | 290 |
289 } // namespace media | 291 } // namespace media |
290 | 292 |
291 #endif // MEDIA_RENDERERS_AUDIO_RENDERER_IMPL_H_ | 293 #endif // MEDIA_RENDERERS_AUDIO_RENDERER_IMPL_H_ |
OLD | NEW |