Ross Finlayson a écrit :
Ross Finlayson a écrit :
Hi.When I capture a rtsp h264 stream with openRTSP and save it into
a .mp4 file (-4 option), I can reproduce it with common players
(vlc, mplayer etc.)However, if I save the captured stream into a
"raw" file (i.e video-H264-1) I cannot see it with any player. Why ?
Because those media players (which are not our software, BTW) happen
not to support playing a 'raw' H.264 file.
Hi everybody.
Did you say that common players like vlc can not read h264 raw stream ?
No, I said that they cannot play a H.264 raw *file* (but you'd have to
ask their developers to be sure).
So if I stream a H264VideoRTP, I can not read my stream with those
media players.
Yes you can (at least with VLC), because it implements RTSP/RTP, and
the RTP payload format for H.264.
Another point. I just want to stream on RTP and not on RTSP. Can I do
that with liveMedia ? All of your example implement RTSP Server but I
do not that on my implementation. This is maybe why I can not read my
stream.. What do you think about that ?
Yes, that's quite possible, because without a RTSP server, the client
(media player) might not get the SPS and PPS NAL unit data that it
needs to properly decode the H.264 stream.
You should be using a RTSP server.
ok, thank you for your advice.
But where can I specify SPS and PPS NAL ? When I try to connect with my
client to "rtsp://localhost:1025/liveMedia0", it say me "waiting for
SPS/PPS".
I think I specify this in my RTSPServer, but I do not know where exactly
( This is maybe a attribute of a ServerMediaSession or must I create a
sdp file ?)
Thank you for your help.
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