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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 #include "content/renderer/renderer_webaudiodevice_impl.h" | 5 #include "content/renderer/renderer_webaudiodevice_impl.h" |
6 | 6 |
7 using WebKit::WebAudioDevice; | 7 using WebKit::WebAudioDevice; |
8 using WebKit::WebVector; | 8 using WebKit::WebVector; |
9 | 9 |
10 RendererWebAudioDeviceImpl::RendererWebAudioDeviceImpl(size_t buffer_size, | 10 RendererWebAudioDeviceImpl::RendererWebAudioDeviceImpl(size_t buffer_size, |
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29 if (is_running_) { | 29 if (is_running_) { |
30 audio_device_->Stop(); | 30 audio_device_->Stop(); |
31 is_running_ = false; | 31 is_running_ = false; |
32 } | 32 } |
33 } | 33 } |
34 | 34 |
35 double RendererWebAudioDeviceImpl::sampleRate() { | 35 double RendererWebAudioDeviceImpl::sampleRate() { |
36 return 44100.0; | 36 return 44100.0; |
37 } | 37 } |
38 | 38 |
39 void RendererWebAudioDeviceImpl::Render(const std::vector<float*>& audio_data, | 39 size_t RendererWebAudioDeviceImpl::Render(const std::vector<float*>& audio_data, |
40 size_t number_of_frames, | 40 size_t number_of_frames, |
41 size_t audio_delay_milliseconds) { | 41 size_t audio_delay_milliseconds) { |
42 // Make the client callback to get rendered audio. | 42 // Make the client callback to get rendered audio. |
43 DCHECK(client_callback_); | 43 DCHECK(client_callback_); |
44 if (client_callback_) { | 44 if (client_callback_) { |
45 // Wrap the pointers using WebVector. | 45 // Wrap the pointers using WebVector. |
46 WebVector<float*> web_audio_data(audio_data.size()); | 46 WebVector<float*> web_audio_data(audio_data.size()); |
47 for (size_t i = 0; i < audio_data.size(); ++i) | 47 for (size_t i = 0; i < audio_data.size(); ++i) |
48 web_audio_data[i] = audio_data[i]; | 48 web_audio_data[i] = audio_data[i]; |
49 | 49 |
50 client_callback_->render(web_audio_data, number_of_frames); | 50 client_callback_->render(web_audio_data, number_of_frames); |
51 } | 51 } |
| 52 return number_of_frames; |
52 } | 53 } |
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