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/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef MODULES_AUDIO_MIXER_DEFAULT_OUTPUT_RATE_CALCULATOR_H_
#define MODULES_AUDIO_MIXER_DEFAULT_OUTPUT_RATE_CALCULATOR_H_
#include <vector>
#include "api/array_view.h"
#include "modules/audio_mixer/output_rate_calculator.h"
namespace webrtc {
class DefaultOutputRateCalculator : public OutputRateCalculator {
public:
static const int kDefaultFrequency = 48000;
// Produces the least native rate greater or equal to the preferred
// sample rates. A native rate is one in
// AudioProcessing::NativeRate. If `preferred_sample_rates` is
// empty, returns `kDefaultFrequency`.
int CalculateOutputRateFromRange(
rtc::ArrayView<const int> preferred_sample_rates) override;
~DefaultOutputRateCalculator() override {}
};
} // namespace webrtc
#endif // MODULES_AUDIO_MIXER_DEFAULT_OUTPUT_RATE_CALCULATOR_H_