android_media_AudioFormat.h revision 313f59887b1439fa2f39dbf3578407c52fcbf60d 
1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_MEDIA_AUDIOFORMAT_H
18#define ANDROID_MEDIA_AUDIOFORMAT_H
19
20#include <system/audio.h>
21
22// keep these values in sync with AudioFormat.java
23#define ENCODING_PCM_16BIT 2
24#define ENCODING_PCM_8BIT  3
25#define ENCODING_PCM_FLOAT 4
26
27static inline audio_format_t audioFormatToNative(int audioFormat)
28{
29    switch (audioFormat) {
30    case ENCODING_PCM_16BIT:
31        return AUDIO_FORMAT_PCM_16_BIT;
32    case ENCODING_PCM_8BIT:
33        return AUDIO_FORMAT_PCM_8_BIT;
34    case ENCODING_PCM_FLOAT:
35        return AUDIO_FORMAT_PCM_FLOAT;
36    default:
37        return AUDIO_FORMAT_INVALID;
38    }
39}
40
41#endif // ANDROID_MEDIA_AUDIOFORMAT_H
42