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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 MEDIA_BASE_SAMPLE_RATES_H_
#define MEDIA_BASE_SAMPLE_RATES_H_
#include "media/base/media_export.h"
namespace media {
// Enumeration used for histogramming sample rates into distinct buckets.
// Logged to UMA, so never reuse a value, always add new/greater ones!
enum AudioSampleRate {
k8000Hz = 0,
k16000Hz = 1,
k32000Hz = 2,
k48000Hz = 3,
k96000Hz = 4,
k11025Hz = 5,
k22050Hz = 6,
k44100Hz = 7,
k88200Hz = 8,
k176400Hz = 9,
k192000Hz = 10,
k24000Hz = 11,
k384000Hz = 12,
k768000Hz = 13,
// Must always equal the largest value ever reported:
kAudioSampleRateMax = k384000Hz,
};
// Helper method to convert integral values to their respective enum values,
// returns false for unexpected sample rates.
MEDIA_EXPORT bool ToAudioSampleRate(int sample_rate, AudioSampleRate* asr);
} // namespace media
#endif // MEDIA_BASE_SAMPLE_RATES_H_
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