Add Haivision SRT protocol
[libav.git] / libavformat / rtpdec_g726.c
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1/*
2 * Copyright (c) 2011 Miroslav Slugeň <Thunder.m@seznam.cz>
3 *
4 * This file is part of Libav.
5 *
6 * Libav is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * Libav is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
7abd35a1 21#include "libavutil/attributes.h"
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22#include "avformat.h"
23#include "rtpdec_formats.h"
24
c8f0e88b 25#define RTP_G726_HANDLER(bitrate) \
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26static av_cold int g726_ ## bitrate ##_init(AVFormatContext *s, int st_index, \
27 PayloadContext *data) \
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28{ \
29 AVStream *stream = s->streams[st_index]; \
9200514a 30 AVCodecParameters *par = stream->codecpar; \
c8f0e88b 31\
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32 par->bits_per_coded_sample = bitrate/8; \
33 par->bit_rate = par->bits_per_coded_sample * par->sample_rate; \
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34\
35 return 0; \
36} \
37\
38RTPDynamicProtocolHandler ff_g726_ ## bitrate ## _dynamic_handler = { \
39 .enc_name = "G726-" #bitrate, \
40 .codec_type = AVMEDIA_TYPE_AUDIO, \
36ef5369 41 .codec_id = AV_CODEC_ID_ADPCM_G726, \
c8f0e88b 42 .init = g726_ ## bitrate ## _init, \
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43}
44
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45RTP_G726_HANDLER(16);
46RTP_G726_HANDLER(24);
47RTP_G726_HANDLER(32);
48RTP_G726_HANDLER(40);