[Live-devel] more RTSP/H264 questions Was:Using openRTSP to receive and decode h264

[John Tam]

Let's say in your case, MPlayer is the client program and VLC is the server program.  The source & sink here mean the objects within a program.  For your instance of the MPlayer program, the source is H264VideoRTPSource and the sink is some kind of renderer.  You will find H264VideoRTPSink in your VLC.
 
> Date: Thu, 9 Sep 2010 11:45:34 -0400
> From: ewpaus at pobox.com
> To: live-devel at ns.live555.com
> Subject: [Live-devel] more RTSP/H264 questions Was:Using openRTSP to receive and decode h264
> 
> Hi,
> First I would like to thank all of you that have given me advice. I 
> appreciate it very much. It is so nice to get responses. This is a 
> very nice community of developers. I hope that one day, I can be a 
> helpful person too.
> 
> I have a follow up question regarding several of your responses.
> 
> I was told to understand the difference between source and sink. I was 
> told that a source is used for streaming (out), while a sink is for 
> receiving. I read the FAQ. 
> 
> I have been stepping through mplayer with gdb to try to find out where I 
> insert the NAL startcode and how.
> 
> Now when I use tab-completion to create my break point in gdb, it will 
> not allow me to add H264VideoRTPSink. It will only allow me to add 
> H264VideoRTPSource.
> 
> I am using VLC to stream an H264 video via RTP using an sdp file. 
> Mplayer is receiving this video that is to say, the role of the mplayer 
> in this scenerio is the "sink". And mplayer seems to be working fine. 
> The video is displayed like I expect.
> 
> Why am I not finding H264VideoRTPSink when I step through this running code?
> 
> I have tried stepping through openRTSP. But, I can't find what I need. 
> Perhaps, it is in playCommon. But, I haven't figured out how to debug 
> playCommon since it requires input from openRTSP. If anyone has any 
> help for that, I'd appreciate that too.
> 
> Thank you,
> Estelle
> 
> 
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