FFmpeg
opus.h
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1 /*
2  * Opus common header
3  * Copyright (c) 2012 Andrew D'Addesio
4  * Copyright (c) 2013-2014 Mozilla Corporation
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #ifndef AVCODEC_OPUS_H
24 #define AVCODEC_OPUS_H
25 
26 #include <stdint.h>
27 
28 #define OPUS_MAX_FRAME_SIZE 1275
29 #define OPUS_MAX_FRAMES 48
30 #define OPUS_MAX_PACKET_DUR 5760
31 
32 #define OPUS_TS_HEADER 0x7FE0 // 0x3ff (11 bits)
33 #define OPUS_TS_MASK 0xFFE0 // top 11 bits
34 
35 static const uint8_t opus_default_extradata[30] = {
36  'O', 'p', 'u', 's', 'H', 'e', 'a', 'd',
37  1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
38  0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
39 };
40 
41 enum OpusMode {
45 
47 };
48 
55 
57 };
58 
59 #endif /* AVCODEC_OPUS_H */
OPUS_BANDWIDTH_NARROWBAND
@ OPUS_BANDWIDTH_NARROWBAND
Definition: opus.h:50
opus_default_extradata
static const uint8_t opus_default_extradata[30]
Definition: opus.h:35
OpusMode
OpusMode
Definition: opus.h:41
OPUS_BANDWIDTH_FULLBAND
@ OPUS_BANDWIDTH_FULLBAND
Definition: opus.h:54
OPUS_BANDWIDTH_WIDEBAND
@ OPUS_BANDWIDTH_WIDEBAND
Definition: opus.h:52
OPUS_MODE_NB
@ OPUS_MODE_NB
Definition: opus.h:46
OPUS_MODE_CELT
@ OPUS_MODE_CELT
Definition: opus.h:44
OPUS_BANDWITH_NB
@ OPUS_BANDWITH_NB
Definition: opus.h:56
OPUS_BANDWIDTH_SUPERWIDEBAND
@ OPUS_BANDWIDTH_SUPERWIDEBAND
Definition: opus.h:53
OPUS_MODE_HYBRID
@ OPUS_MODE_HYBRID
Definition: opus.h:43
OPUS_MODE_SILK
@ OPUS_MODE_SILK
Definition: opus.h:42
OPUS_BANDWIDTH_MEDIUMBAND
@ OPUS_BANDWIDTH_MEDIUMBAND
Definition: opus.h:51
OpusBandwidth
OpusBandwidth
Definition: opus.h:49