1/*
2 * Copyright (c) 2011 Miroslav Slugeň <Thunder.m@seznam.cz>
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg 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 * FFmpeg 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 FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#include "libavutil/attributes.h"
22#include "avformat.h"
23#include "rtpdec_formats.h"
24
25#define RTP_G726_HANDLER(bitrate) \
26static av_cold int g726_ ## bitrate ##_init(AVFormatContext *s, int st_index, \
27                                            PayloadContext *data) \
28{ \
29    AVStream *stream = s->streams[st_index]; \
30    AVCodecParameters *par = stream->codecpar; \
31\
32    par->bits_per_coded_sample = bitrate/8; \
33    par->bit_rate = par->bits_per_coded_sample * par->sample_rate; \
34\
35    return 0; \
36} \
37\
38const RTPDynamicProtocolHandler ff_g726_ ## bitrate ## _dynamic_handler = { \
39    .enc_name   = "AAL2-G726-" #bitrate, \
40    .codec_type = AVMEDIA_TYPE_AUDIO, \
41    .codec_id   = AV_CODEC_ID_ADPCM_G726, \
42    .init       = g726_ ## bitrate ## _init, \
43}; \
44const RTPDynamicProtocolHandler ff_g726le_ ## bitrate ## _dynamic_handler = { \
45    .enc_name   = "G726-" #bitrate, \
46    .codec_type = AVMEDIA_TYPE_AUDIO, \
47    .codec_id   = AV_CODEC_ID_ADPCM_G726LE, \
48    .init       = g726_ ## bitrate ## _init, \
49}
50
51RTP_G726_HANDLER(16);
52RTP_G726_HANDLER(24);
53RTP_G726_HANDLER(32);
54RTP_G726_HANDLER(40);
55