[FFmpeg-cvslog] rtsp: Support mpegts in raw udp packets
Martin Storsjö
git at videolan.org
Thu Aug 9 19:34:52 CEST 2012
ffmpeg | branch: master | Martin Storsjö <martin at martin.st> | Wed Aug 8 23:05:52 2012 +0300| [1243c722510f6cf878039e5edfd912ab25fe66f6] | committer: Martin Storsjö
rtsp: Support mpegts in raw udp packets
This is basically the same way as mpegts packets are parsed in
rtpdec.c.
Signed-off-by: Martin Storsjö <martin at martin.st>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1243c722510f6cf878039e5edfd912ab25fe66f6
---
libavformat/rtsp.c | 26 +++++++++++++++++++++++++-
libavformat/rtsp.h | 7 +++++++
libavformat/version.h | 2 +-
3 files changed, 33 insertions(+), 2 deletions(-)
diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c
index e03021b..7506d39 100644
--- a/libavformat/rtsp.c
+++ b/libavformat/rtsp.c
@@ -46,6 +46,7 @@
#include "rtpenc_chain.h"
#include "url.h"
#include "rtpenc.h"
+#include "mpegts.h"
//#define DEBUG
@@ -380,6 +381,8 @@ static void sdp_parse_line(AVFormatContext *s, SDPParseState *s1,
if (!strcmp(ff_rtp_enc_name(rtsp_st->sdp_payload_type), "MP2T")) {
/* no corresponding stream */
+ if (rt->transport == RTSP_TRANSPORT_RAW && !rt->ts && CONFIG_RTPDEC)
+ rt->ts = ff_mpegts_parse_open(s);
} else if (rt->server_type == RTSP_SERVER_WMS &&
codec_type == AVMEDIA_TYPE_DATA) {
/* RTX stream, a stream that carries all the other actual
@@ -596,6 +599,8 @@ void ff_rtsp_close_streams(AVFormatContext *s)
if (rt->asf_ctx) {
avformat_close_input(&rt->asf_ctx);
}
+ if (rt->ts && CONFIG_RTPDEC)
+ ff_mpegts_parse_close(rt->ts);
av_free(rt->p);
av_free(rt->recvbuf);
}
@@ -1773,8 +1778,15 @@ int ff_rtsp_fetch_packet(AVFormatContext *s, AVPacket *pkt)
if (rt->cur_transport_priv) {
if (rt->transport == RTSP_TRANSPORT_RDT) {
ret = ff_rdt_parse_packet(rt->cur_transport_priv, pkt, NULL, 0);
- } else
+ } else if (rt->transport == RTSP_TRANSPORT_RTP) {
ret = ff_rtp_parse_packet(rt->cur_transport_priv, pkt, NULL, 0);
+ } else if (rt->ts && CONFIG_RTPDEC) {
+ ret = ff_mpegts_parse_packet(rt->ts, pkt, rt->recvbuf + rt->recvbuf_pos, rt->recvbuf_len - rt->recvbuf_pos);
+ if (ret >= 0) {
+ rt->recvbuf_pos += ret;
+ ret = rt->recvbuf_pos < rt->recvbuf_len;
+ }
+ }
if (ret == 0) {
rt->cur_transport_priv = NULL;
return 0;
@@ -1876,6 +1888,18 @@ int ff_rtsp_fetch_packet(AVFormatContext *s, AVPacket *pkt)
return AVERROR_EOF;
}
}
+ } else if (rt->ts && CONFIG_RTPDEC) {
+ ret = ff_mpegts_parse_packet(rt->ts, pkt, rt->recvbuf, len);
+ if (ret >= 0) {
+ if (ret < len) {
+ rt->recvbuf_len = len;
+ rt->recvbuf_pos = ret;
+ rt->cur_transport_priv = rt->ts;
+ return 1;
+ } else {
+ ret = 0;
+ }
+ }
} else {
return AVERROR_INVALIDDATA;
}
diff --git a/libavformat/rtsp.h b/libavformat/rtsp.h
index 704586a..d16c98c 100644
--- a/libavformat/rtsp.h
+++ b/libavformat/rtsp.h
@@ -311,6 +311,13 @@ typedef struct RTSPState {
* other cases, this is a copy of AVFormatContext->filename. */
char control_uri[1024];
+ /** The following are used for parsing raw mpegts in udp */
+ //@{
+ struct MpegTSContext *ts;
+ int recvbuf_pos;
+ int recvbuf_len;
+ //@}
+
/** Additional output handle, used when input and output are done
* separately, eg for HTTP tunneling. */
URLContext *rtsp_hd_out;
diff --git a/libavformat/version.h b/libavformat/version.h
index 55026e8..e2cd0c7 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -31,7 +31,7 @@
#define LIBAVFORMAT_VERSION_MAJOR 54
#define LIBAVFORMAT_VERSION_MINOR 13
-#define LIBAVFORMAT_VERSION_MICRO 1
+#define LIBAVFORMAT_VERSION_MICRO 2
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \
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