OLD | NEW |
| (Empty) |
1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "chrome/renderer/renderer_webaudiodevice_impl.h" | |
6 | |
7 using WebKit::WebAudioDevice; | |
8 using WebKit::WebVector; | |
9 | |
10 RendererWebAudioDeviceImpl::RendererWebAudioDeviceImpl(size_t buffer_size, | |
11 int channels, double sample_rate, WebAudioDevice::RenderCallback* callback) | |
12 : client_callback_(callback) { | |
13 audio_device_.reset( | |
14 new AudioDevice(buffer_size, channels, sample_rate, this)); | |
15 } | |
16 | |
17 RendererWebAudioDeviceImpl::~RendererWebAudioDeviceImpl() { | |
18 stop(); | |
19 } | |
20 | |
21 void RendererWebAudioDeviceImpl::start() { | |
22 audio_device_->Start(); | |
23 } | |
24 | |
25 void RendererWebAudioDeviceImpl::stop() { | |
26 audio_device_->Stop(); | |
27 } | |
28 | |
29 void RendererWebAudioDeviceImpl::Render(const std::vector<float*>& audio_data, | |
30 size_t number_of_frames) { | |
31 // Make the client callback to get rendered audio. | |
32 DCHECK(client_callback_); | |
33 if (client_callback_) { | |
34 // Wrap the pointers using WebVector. | |
35 WebVector<float*> web_audio_data(audio_data.size()); | |
36 for (size_t i = 0; i < audio_data.size(); ++i) | |
37 web_audio_data[i] = audio_data[i]; | |
38 | |
39 client_callback_->render(web_audio_data, number_of_frames); | |
40 } | |
41 } | |
OLD | NEW |