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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_RENDERER_MEDIA_MEDIA_RENDERER_WEBAUDIODEVICE_IMPL_H_
#define CONTENT_RENDERER_MEDIA_MEDIA_RENDERER_WEBAUDIODEVICE_IMPL_H_
#include <vector>
#include "base/memory/ref_counted.h"
#include "content/renderer/media/audio_device.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebAudioDevice.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebVector.h"
namespace media {
class AudioParameters;
}
class RendererWebAudioDeviceImpl
: public WebKit::WebAudioDevice,
public AudioDevice::RenderCallback {
public:
RendererWebAudioDeviceImpl(const media::AudioParameters& params,
WebKit::WebAudioDevice::RenderCallback* callback);
virtual ~RendererWebAudioDeviceImpl();
// WebKit::WebAudioDevice implementation.
virtual void start();
virtual void stop();
virtual double sampleRate();
// AudioDevice::RenderCallback implementation.
virtual size_t Render(const std::vector<float*>& audio_data,
size_t number_of_frames,
size_t audio_delay_milliseconds) OVERRIDE;
virtual void OnRenderError() OVERRIDE;
private:
scoped_refptr<AudioDevice> audio_device_;
bool is_running_;
// Weak reference to the callback into WebKit code.
WebKit::WebAudioDevice::RenderCallback* client_callback_;
DISALLOW_COPY_AND_ASSIGN(RendererWebAudioDeviceImpl);
};
#endif // CONTENT_RENDERER_MEDIA_MEDIA_RENDERER_WEBAUDIODEVICE_IMPL_H_
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