1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
// 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_AUDIO_SAMPLE_RATES_H_
#define MEDIA_AUDIO_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,
kUnexpectedAudioSampleRate // Must always be last!
};
// Helper method to convert integral values to their respective enum values,
// or kUnexpectedAudioSampleRate if no match exists.
MEDIA_EXPORT AudioSampleRate AsAudioSampleRate(int sample_rate);
} // namespace media
#endif // MEDIA_AUDIO_SAMPLE_RATES_H_
|
