FFmpeg
libavcodec
opus
opus.h
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/*
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* Opus common header
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* Copyright (c) 2012 Andrew D'Addesio
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* Copyright (c) 2013-2014 Mozilla Corporation
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_OPUS_OPUS_H
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#define AVCODEC_OPUS_OPUS_H
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#include <stdint.h>
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#define OPUS_MAX_FRAME_SIZE 1275
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#define OPUS_MAX_FRAMES 48
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#define OPUS_MAX_PACKET_DUR 5760
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#define OPUS_TS_HEADER 0x7FE0 // 0x3ff (11 bits)
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#define OPUS_TS_MASK 0xFFE0 // top 11 bits
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static
const
uint8_t
opus_default_extradata
[30] = {
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'O'
,
'p'
,
'u'
,
's'
,
'H'
,
'e'
,
'a'
,
'd'
,
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1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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};
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enum
OpusMode
{
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OPUS_MODE_SILK
,
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OPUS_MODE_HYBRID
,
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OPUS_MODE_CELT
,
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OPUS_MODE_NB
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};
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enum
OpusBandwidth
{
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OPUS_BANDWIDTH_NARROWBAND
,
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OPUS_BANDWIDTH_MEDIUMBAND
,
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OPUS_BANDWIDTH_WIDEBAND
,
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OPUS_BANDWIDTH_SUPERWIDEBAND
,
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OPUS_BANDWIDTH_FULLBAND
,
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OPUS_BANDWITH_NB
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};
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#endif
/* AVCODEC_OPUS_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
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