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 // Implementation of AudioOutputStream for Windows using Windows Core Audio | 5 // Implementation of AudioOutputStream for Windows using Windows Core Audio |
6 // WASAPI for low latency rendering. | 6 // WASAPI for low latency rendering. |
7 // | 7 // |
8 // Overview of operation and performance: | 8 // Overview of operation and performance: |
9 // | 9 // |
10 // - An object of WASAPIAudioOutputStream is created by the AudioManager | 10 // - An object of WASAPIAudioOutputStream is created by the AudioManager |
(...skipping 375 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
386 // The audio engine will signal this event each time a buffer becomes | 386 // The audio engine will signal this event each time a buffer becomes |
387 // ready to be filled by the client. | 387 // ready to be filled by the client. |
388 base::win::ScopedHandle audio_samples_render_event_; | 388 base::win::ScopedHandle audio_samples_render_event_; |
389 | 389 |
390 // This event will be signaled when rendering shall stop. | 390 // This event will be signaled when rendering shall stop. |
391 base::win::ScopedHandle stop_render_event_; | 391 base::win::ScopedHandle stop_render_event_; |
392 | 392 |
393 // This event will be signaled when stream switching shall take place. | 393 // This event will be signaled when stream switching shall take place. |
394 base::win::ScopedHandle stream_switch_event_; | 394 base::win::ScopedHandle stream_switch_event_; |
395 | 395 |
| 396 // Container for retrieving data from AudioSourceCallback::OnMoreData(). |
| 397 scoped_ptr<AudioBus> audio_bus_; |
| 398 |
396 DISALLOW_COPY_AND_ASSIGN(WASAPIAudioOutputStream); | 399 DISALLOW_COPY_AND_ASSIGN(WASAPIAudioOutputStream); |
397 }; | 400 }; |
398 | 401 |
399 } // namespace media | 402 } // namespace media |
400 | 403 |
401 #endif // MEDIA_AUDIO_WIN_AUDIO_LOW_LATENCY_OUTPUT_WIN_H_ | 404 #endif // MEDIA_AUDIO_WIN_AUDIO_LOW_LATENCY_OUTPUT_WIN_H_ |
OLD | NEW |