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Introducing speex RTP demuxing (RFC 5574)

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RTPDynamicProtocolHandler for speex is added. Initial support for
speex depacketization from RTP stream comes with it.
Currently, only codec audio rate can be applied based on sdp:
* Narrowband    ( 8K)
* Wideband      (16K)
* Ultrawideband (32K)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Dmitry Samonenko 2012-09-22 14:39:03 +04:00 committed by Michael Niedermayer
parent b024c41e1e
commit 697ea4fccf
4 changed files with 42 additions and 0 deletions
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1
libavformat/Makefile
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@ -299,6 +299,7 @@ OBJS-$(CONFIG_RTPDEC) += rdt.o \
rtpdec_qcelp.o \
rtpdec_qdm2.o \
rtpdec_qt.o \
rtpdec_speex.o \
rtpdec_svq3.o \
rtpdec_vp8.o \
rtpdec_xiph.o

1
libavformat/rtpdec.c
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@ -78,6 +78,7 @@ void av_register_rtp_dynamic_payload_handlers(void)
ff_register_dynamic_payload_handler(&ff_vp8_dynamic_handler);
ff_register_dynamic_payload_handler(&ff_qcelp_dynamic_handler);
ff_register_dynamic_payload_handler(&ff_realmedia_mp3_dynamic_handler);
ff_register_dynamic_payload_handler(&ff_speex_dynamic_handler);
ff_register_dynamic_payload_handler(&ff_ms_rtp_asf_pfv_handler);
ff_register_dynamic_payload_handler(&ff_ms_rtp_asf_pfa_handler);

1
libavformat/rtpdec_formats.h
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@ -58,6 +58,7 @@ extern RTPDynamicProtocolHandler ff_qt_rtp_aud_handler;
extern RTPDynamicProtocolHandler ff_qt_rtp_vid_handler;
extern RTPDynamicProtocolHandler ff_quicktime_rtp_aud_handler;
extern RTPDynamicProtocolHandler ff_quicktime_rtp_vid_handler;
extern RTPDynamicProtocolHandler ff_speex_dynamic_handler;
extern RTPDynamicProtocolHandler ff_svq3_dynamic_handler;
extern RTPDynamicProtocolHandler ff_theora_dynamic_handler;
extern RTPDynamicProtocolHandler ff_vorbis_dynamic_handler;

39
libavformat/rtpdec_speex.c Normal file
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@ -0,0 +1,39 @@
/*
* RTP SPEEX Depacketizer, RFC 5574
* Copyright (c) 2012 Dmitry Samonenko
*
* 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 speex_parse_sdp_line(AVFormatContext *s, int st_index,
PayloadContext *data, const char *line)
{
av_log(s, AV_LOG_WARNING, "fmtp line parsing is not implemented yet\n");
return 0;
}
RTPDynamicProtocolHandler ff_speex_dynamic_handler = {
.enc_name = "speex",
.codec_type = AVMEDIA_TYPE_AUDIO,
.codec_id = AV_CODEC_ID_SPEEX,
.parse_sdp_a_line = speex_parse_sdp_line,
};