[Libav-user] RTSP SDP Parsing Error

Mark Kenna mark.kenna at sureviewsystems.com
Fri Feb 13 13:07:06 CET 2015


Hi

I think there is a problem in the SDP parsing of RTSP.c. I have an SDP
which has 2 tracks, one is H264 and the other is MJPEG. It appears that
FFMPEG is always opening MJPEG regardless of which codec is specified first
in the track list. Here is an example:

v=0
o=- 130683027881870000 130683027881870000 IN IP4 2.0.2.42
s=Camera
c=IN IP4 0.0.0.0
t=0 0
a=control:*
m=video 1036 RTP/AVP 96 26
a=control:?StreamID=0
a=rtpmap:96 H264/90000
a=fmtp:96 packetization-mode=1; profile-level-id=420029;
sprop-parameter-sets=Z0IAKeKQLBLYEnBQEF4eJEVA,aM48gA==
a=rtpmap:26 JPEG/90000

Thanks,
Mark.
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