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/*
Copyright 2018 Google Inc. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS-IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#ifndef RESONANCE_AUDIO_GRAPH_MONO_FROM_SOUNDFIELD_NODE_H_
#define RESONANCE_AUDIO_GRAPH_MONO_FROM_SOUNDFIELD_NODE_H_
#include "base/audio_buffer.h"
#include "graph/system_settings.h"
#include "node/processing_node.h"
namespace vraudio {
// Node that accepts an ambisonic buffer as input and extracts its W channel
// onto a mono output buffer.
class MonoFromSoundfieldNode : public ProcessingNode {
public:
MonoFromSoundfieldNode(SourceId source_id,
const SystemSettings& system_settings);
protected:
// Implements |ProcessingNode|.
const AudioBuffer* AudioProcess(const NodeInput& input) override;
private:
// Mono audio buffer to store output data.
AudioBuffer output_buffer_;
};
} // namespace vraudio
#endif // RESONANCE_AUDIO_GRAPH_MONO_FROM_SOUNDFIELD_NODE_H_
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