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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 CONTENT_RENDERER_MEDIA_MEDIA_RENDERER_WEBAUDIODEVICE_IMPL_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_MEDIA_RENDERER_WEBAUDIODEVICE_IMPL_H_ |
| 6 #define CONTENT_RENDERER_MEDIA_MEDIA_RENDERER_WEBAUDIODEVICE_IMPL_H_ | 6 #define CONTENT_RENDERER_MEDIA_MEDIA_RENDERER_WEBAUDIODEVICE_IMPL_H_ |
| 7 | 7 |
| 8 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
| 9 #include "base/threading/thread_checker.h" | 9 #include "base/threading/thread_checker.h" |
| 10 #include "media/audio/audio_parameters.h" | 10 #include "media/audio/audio_parameters.h" |
| (...skipping 16 matching lines...) Expand all Loading... |
| 27 int session_id); | 27 int session_id); |
| 28 virtual ~RendererWebAudioDeviceImpl(); | 28 virtual ~RendererWebAudioDeviceImpl(); |
| 29 | 29 |
| 30 // blink::WebAudioDevice implementation. | 30 // blink::WebAudioDevice implementation. |
| 31 virtual void start(); | 31 virtual void start(); |
| 32 virtual void stop(); | 32 virtual void stop(); |
| 33 virtual double sampleRate(); | 33 virtual double sampleRate(); |
| 34 | 34 |
| 35 // AudioRendererSink::RenderCallback implementation. | 35 // AudioRendererSink::RenderCallback implementation. |
| 36 virtual int Render(media::AudioBus* dest, | 36 virtual int Render(media::AudioBus* dest, |
| 37 int audio_delay_milliseconds) OVERRIDE; | 37 int audio_delay_milliseconds) override; |
| 38 | 38 |
| 39 virtual void OnRenderError() OVERRIDE; | 39 virtual void OnRenderError() override; |
| 40 | 40 |
| 41 private: | 41 private: |
| 42 const media::AudioParameters params_; | 42 const media::AudioParameters params_; |
| 43 | 43 |
| 44 // Weak reference to the callback into WebKit code. | 44 // Weak reference to the callback into WebKit code. |
| 45 blink::WebAudioDevice::RenderCallback* const client_callback_; | 45 blink::WebAudioDevice::RenderCallback* const client_callback_; |
| 46 | 46 |
| 47 // To avoid the need for locking, ensure the control methods of the | 47 // To avoid the need for locking, ensure the control methods of the |
| 48 // blink::WebAudioDevice implementation are called on the same thread. | 48 // blink::WebAudioDevice implementation are called on the same thread. |
| 49 base::ThreadChecker thread_checker_; | 49 base::ThreadChecker thread_checker_; |
| 50 | 50 |
| 51 // When non-NULL, we are started. When NULL, we are stopped. | 51 // When non-NULL, we are started. When NULL, we are stopped. |
| 52 scoped_refptr<media::AudioOutputDevice> output_device_; | 52 scoped_refptr<media::AudioOutputDevice> output_device_; |
| 53 | 53 |
| 54 // ID to allow browser to select the correct input device for unified IO. | 54 // ID to allow browser to select the correct input device for unified IO. |
| 55 int session_id_; | 55 int session_id_; |
| 56 | 56 |
| 57 DISALLOW_COPY_AND_ASSIGN(RendererWebAudioDeviceImpl); | 57 DISALLOW_COPY_AND_ASSIGN(RendererWebAudioDeviceImpl); |
| 58 }; | 58 }; |
| 59 | 59 |
| 60 } // namespace content | 60 } // namespace content |
| 61 | 61 |
| 62 #endif // CONTENT_RENDERER_MEDIA_MEDIA_RENDERER_WEBAUDIODEVICE_IMPL_H_ | 62 #endif // CONTENT_RENDERER_MEDIA_MEDIA_RENDERER_WEBAUDIODEVICE_IMPL_H_ |
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