mirror of
https://github.com/xenia-project/FFmpeg.git
synced 2024-12-15 07:39:31 +00:00
7a72695c05
* commit '36ef5369ee9b336febc2c270f8718cec4476cb85': Replace all CODEC_ID_* with AV_CODEC_ID_* lavc: add AV prefix to codec ids. Conflicts: doc/APIchanges doc/examples/decoding_encoding.c doc/examples/muxing.c ffmpeg.c ffprobe.c ffserver.c libavcodec/8svx.c libavcodec/avcodec.h libavcodec/dnxhd_parser.c libavcodec/dvdsubdec.c libavcodec/error_resilience.c libavcodec/h263dec.c libavcodec/libvorbisenc.c libavcodec/mjpeg_parser.c libavcodec/mjpegenc.c libavcodec/mpeg12.c libavcodec/mpeg4videodec.c libavcodec/mpegvideo.c libavcodec/mpegvideo_enc.c libavcodec/pcm.c libavcodec/r210dec.c libavcodec/utils.c libavcodec/v210dec.c libavcodec/version.h libavdevice/alsa-audio-dec.c libavdevice/bktr.c libavdevice/v4l2.c libavformat/asfdec.c libavformat/asfenc.c libavformat/avformat.h libavformat/avidec.c libavformat/caf.c libavformat/electronicarts.c libavformat/flacdec.c libavformat/flvdec.c libavformat/flvenc.c libavformat/framecrcenc.c libavformat/img2.c libavformat/img2dec.c libavformat/img2enc.c libavformat/ipmovie.c libavformat/isom.c libavformat/matroska.c libavformat/matroskadec.c libavformat/matroskaenc.c libavformat/mov.c libavformat/movenc.c libavformat/mp3dec.c libavformat/mpeg.c libavformat/mpegts.c libavformat/mxf.c libavformat/mxfdec.c libavformat/mxfenc.c libavformat/nsvdec.c libavformat/nut.c libavformat/oggenc.c libavformat/pmpdec.c libavformat/rawdec.c libavformat/rawenc.c libavformat/riff.c libavformat/sdp.c libavformat/utils.c libavformat/vocenc.c libavformat/wtv.c libavformat/xmv.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
/*
|
|
* RTP iLBC Depacketizer, RFC 3952
|
|
* Copyright (c) 2012 Martin Storsjo
|
|
*
|
|
* 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 "avformat.h"
|
|
#include "rtpdec_formats.h"
|
|
#include "libavutil/avstring.h"
|
|
|
|
static int ilbc_parse_fmtp(AVStream *stream, PayloadContext *data,
|
|
char *attr, char *value)
|
|
{
|
|
if (!strcmp(attr, "mode")) {
|
|
int mode = atoi(value);
|
|
switch (mode) {
|
|
case 20:
|
|
stream->codec->block_align = 38;
|
|
break;
|
|
case 30:
|
|
stream->codec->block_align = 50;
|
|
break;
|
|
default:
|
|
av_log(NULL, AV_LOG_ERROR, "Unsupported iLBC mode %d\n", mode);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int ilbc_parse_sdp_line(AVFormatContext *s, int st_index,
|
|
PayloadContext *data, const char *line)
|
|
{
|
|
const char *p;
|
|
AVStream *st;
|
|
|
|
if (st_index < 0)
|
|
return 0;
|
|
st = s->streams[st_index];
|
|
|
|
if (av_strstart(line, "fmtp:", &p)) {
|
|
int ret = ff_parse_fmtp(st, data, p, ilbc_parse_fmtp);
|
|
if (ret < 0)
|
|
return ret;
|
|
if (!st->codec->block_align) {
|
|
av_log(s, AV_LOG_ERROR, "No iLBC mode set\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
RTPDynamicProtocolHandler ff_ilbc_dynamic_handler = {
|
|
.enc_name = "iLBC",
|
|
.codec_type = AVMEDIA_TYPE_AUDIO,
|
|
.codec_id = AV_CODEC_ID_ILBC,
|
|
.parse_sdp_a_line = ilbc_parse_sdp_line,
|
|
};
|