0,0 → 1,48 |
/* |
* Copyright (c) 2011 Miroslav Slugeň <Thunder.m@seznam.cz> |
* |
* This file is part of FFmpeg. |
* |
* FFmpeg is free software; you can redistribute it and/or |
* modify it under the terms of the GNU Lesser General Public |
* License as published by the Free Software Foundation; either |
* version 2.1 of the License, or (at your option) any later version. |
* |
* FFmpeg is distributed in the hope that it will be useful, |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
* Lesser General Public License for more details. |
* |
* You should have received a copy of the GNU Lesser General Public |
* License along with FFmpeg; if not, write to the Free Software |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
*/ |
|
#include "libavutil/attributes.h" |
#include "avformat.h" |
#include "rtpdec_formats.h" |
|
#define RTP_G726_HANDLER(bitrate) \ |
static av_cold int g726_ ## bitrate ##_init(AVFormatContext *s, int st_index, \ |
PayloadContext *data) \ |
{ \ |
AVStream *stream = s->streams[st_index]; \ |
AVCodecContext *codec = stream->codec; \ |
\ |
codec->bits_per_coded_sample = bitrate/8; \ |
codec->bit_rate = codec->bits_per_coded_sample * codec->sample_rate; \ |
\ |
return 0; \ |
} \ |
\ |
RTPDynamicProtocolHandler ff_g726_ ## bitrate ## _dynamic_handler = { \ |
.enc_name = "G726-" #bitrate, \ |
.codec_type = AVMEDIA_TYPE_AUDIO, \ |
.codec_id = AV_CODEC_ID_ADPCM_G726, \ |
.init = g726_ ## bitrate ## _init, \ |
} |
|
RTP_G726_HANDLER(16); |
RTP_G726_HANDLER(24); |
RTP_G726_HANDLER(32); |
RTP_G726_HANDLER(40); |