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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBAUDIO_CHANNEL_MERGER_NODE_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBAUDIO_CHANNEL_MERGER_NODE_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/modules/webaudio/audio_node.h"
namespace blink {
class BaseAudioContext;
class ChannelMergerOptions;
class ChannelMergerHandler final : public AudioHandler {
public:
static scoped_refptr<ChannelMergerHandler> Create(AudioNode&,
float sample_rate,
unsigned number_of_inputs);
void Process(uint32_t frames_to_process) override;
void SetChannelCount(unsigned, ExceptionState&) final;
void SetChannelCountMode(const String&, ExceptionState&) final;
double TailTime() const override { return 0; }
double LatencyTime() const override { return 0; }
bool RequiresTailProcessing() const final { return false; }
private:
ChannelMergerHandler(AudioNode&,
float sample_rate,
unsigned number_of_inputs);
};
class ChannelMergerNode final : public AudioNode {
DEFINE_WRAPPERTYPEINFO();
public:
static ChannelMergerNode* Create(BaseAudioContext&, ExceptionState&);
static ChannelMergerNode* Create(BaseAudioContext&,
unsigned number_of_inputs,
ExceptionState&);
static ChannelMergerNode* Create(BaseAudioContext*,
const ChannelMergerOptions*,
ExceptionState&);
ChannelMergerNode(BaseAudioContext&, unsigned number_of_inputs);
// InspectorHelperMixin
void ReportDidCreate() final;
void ReportWillBeDestroyed() final;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBAUDIO_CHANNEL_MERGER_NODE_H_
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