[SCM] libav/experimental: Assign the x-pf-asf payload string to be decoded by rtp_asf.c, and add a 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.
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 16:41:49 UTC 2013
The following commit has been merged in the experimental branch:
commit e9fce261a65dabea2a8d67039c3ae093e0f288c8
Author: Ronald S. Bultje <rsbultje at gmail.com>
Date: Fri Mar 20 01:11:08 2009 +0000
Assign the x-pf-asf payload string to be decoded by rtp_asf.c, and add a
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
diff --git a/libavformat/rtp_asf.c b/libavformat/rtp_asf.c
index 9876356..b64f470 100644
--- a/libavformat/rtp_asf.c
+++ b/libavformat/rtp_asf.c
@@ -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);
diff --git a/libavformat/rtp_asf.h b/libavformat/rtp_asf.h
index 08632a1..2898894 100644
--- a/libavformat/rtp_asf.h
+++ b/libavformat/rtp_asf.h
@@ -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 */
diff --git a/libavformat/rtpdec.c b/libavformat/rtpdec.c
index e1ba888..9076f3f 100644
--- a/libavformat/rtpdec.c
+++ b/libavformat/rtpdec.c
@@ -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)
--
Libav/FFmpeg packaging
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