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Assign the x-pf-asf payload string to be decoded by rtp_asf.c, and add a

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SDP line handler that parses the streamID in the SDP so that ASF stream
data can be matched to their respective streams in the RTSP demuxer. See
"[PATCH] RTSP-MS 12/15: ASF payload support" thread on mailinglist.

Originally committed as revision 18061 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ronald S. Bultje 2009-03-20 01:11:08 +00:00
parent 20f93c3ccf
commit e9fce261a6
3 changed files with 51 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
libavformat/rtp_asf.c
View File

@ -27,6 +27,7 @@
#include <libavutil/base64.h>
#include <libavutil/avstring.h>
#include "rtp.h"
#include "rtp_asf.h"
#include "rtsp.h"
#include "asf.h"
@ -50,3 +51,41 @@ void ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p)
rt->asf_ctx->pb = NULL;
}
}
static int
asfrtp_parse_sdp_line (AVFormatContext *s, int stream_index,
PayloadContext *asf, const char *line)
{
if (av_strstart(line, "stream:", &line)) {
RTSPState *rt = s->priv_data;
s->streams[stream_index]->id = strtol(line, NULL, 10);
if (rt->asf_ctx) {
int i;
for (i = 0; i < rt->asf_ctx->nb_streams; i++) {
if (s->streams[stream_index]->id == rt->asf_ctx->streams[i]->id) {
*s->streams[stream_index]->codec =
*rt->asf_ctx->streams[i]->codec;
rt->asf_ctx->streams[i]->codec->extradata_size = 0;
rt->asf_ctx->streams[i]->codec->extradata = NULL;
av_set_pts_info(s->streams[stream_index], 32, 1, 1000);
}
}
}
}
return 0;
}
#define RTP_ASF_HANDLER(n, s, t) \
RTPDynamicProtocolHandler ff_ms_rtp_ ## n ## _handler = { \
s, \
t, \
CODEC_ID_NONE, \
asfrtp_parse_sdp_line, \
};
RTP_ASF_HANDLER(asf_pfv, "x-asf-pf", CODEC_TYPE_VIDEO);
RTP_ASF_HANDLER(asf_pfa, "x-asf-pf", CODEC_TYPE_AUDIO);

8
libavformat/rtp_asf.h
View File

@ -23,6 +23,7 @@
#define AVFORMAT_RTP_ASF_H
#include "avformat.h"
#include "rtpdec.h"
/**
* Parse a Windows Media Server-specific SDP line
@ -32,4 +33,11 @@
*/
void ff_wms_parse_sdp_a_line(AVFormatContext *s, const char *p);
/**
* Handlers for the x-asf-pf payloads (the payload ID for RTP/ASF).
* Defined and implemented in rtp_asf.c, registered in rtpdec.c.
*/
extern RTPDynamicProtocolHandler ff_ms_rtp_asf_pfv_handler,
ff_ms_rtp_asf_pfa_handler;
#endif /* AVFORMAT_RTP_ASF_H */

4
libavformat/rtpdec.c
View File

@ -30,6 +30,7 @@
#include "network.h"
#include "rtpdec.h"
#include "rtp_asf.h"
#include "rtp_h264.h"
//#define DEBUG
@ -60,6 +61,9 @@ void av_register_rtp_dynamic_payload_handlers(void)
ff_register_dynamic_payload_handler(&mp4v_es_handler);
ff_register_dynamic_payload_handler(&mpeg4_generic_handler);
ff_register_dynamic_payload_handler(&ff_h264_dynamic_handler);
ff_register_dynamic_payload_handler(&ff_ms_rtp_asf_pfv_handler);
ff_register_dynamic_payload_handler(&ff_ms_rtp_asf_pfa_handler);
}
static int rtcp_parse_packet(RTPDemuxContext *s, const unsigned char *buf, int len)