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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
/*
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* RTP iLBC Depacketizer, RFC 3952
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* Copyright (c) 2012 Martin Storsjo
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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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#include "avformat.h"
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#include "rtpdec_formats.h"
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#include "libavutil/avstring.h"
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static int ilbc_parse_fmtp(AVStream *stream, PayloadContext *data,
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char *attr, char *value)
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{
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if (!strcmp(attr, "mode")) {
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int mode = atoi(value);
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switch (mode) {
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case 20:
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stream->codec->block_align = 38;
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break;
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case 30:
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stream->codec->block_align = 50;
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break;
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default:
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av_log(NULL, AV_LOG_ERROR, "Unsupported iLBC mode %d\n", mode);
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return AVERROR(EINVAL);
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}
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}
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return 0;
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}
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static int ilbc_parse_sdp_line(AVFormatContext *s, int st_index,
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PayloadContext *data, const char *line)
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{
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const char *p;
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AVStream *st;
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if (st_index < 0)
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return 0;
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st = s->streams[st_index];
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if (av_strstart(line, "fmtp:", &p)) {
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int ret = ff_parse_fmtp(st, data, p, ilbc_parse_fmtp);
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if (ret < 0)
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return ret;
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if (!st->codec->block_align) {
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av_log(s, AV_LOG_ERROR, "No iLBC mode set\n");
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return AVERROR(EINVAL);
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}
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}
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return 0;
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}
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RTPDynamicProtocolHandler ff_ilbc_dynamic_handler = {
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.enc_name = "iLBC",
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.codec_type = AVMEDIA_TYPE_AUDIO,
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.codec_id = AV_CODEC_ID_ILBC,
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.parse_sdp_a_line = ilbc_parse_sdp_line,
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};
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