Re: [Live-devel] Synchronize the "RTCP" time using RTSP Range ?

2013-03-18 Thread Jeff Shanab
I record video from a security camera. I do not want to throw away up to the first 2 seconds so I measure the offset and adjust my timestamps to the timebase of the machine. When I get the sync notification I adjust the adjustment. This adjustment is continually applied to all timestamps. It is

[Live-devel] audio and vedio can not synchronization

2013-03-18 Thread kingaceck
Hi I am using live555 to support mp4 file that with h264 and aac.when vlc play the mp4 file automation the audio and vedio can synchronization .If I click the progress bar to jump to a special position the audio and vedio can not synchronization .What can I do to resolve the problem.Thank yo

Re: [Live-devel] Synchronize the "RTCP" time using RTSP Range ?

2013-03-18 Thread Ross Finlayson
> What I was suggesting is this “missing” NTP information (before RTCP “SR”) > could perhaps be computed from RTSP PLAY answer. > It is quite annoying to drop data waiting for RTCP “SR” because we cannot > send the timestamp through RTSP/RTP/RTCP mechanism. What I can probably do is upgrade our

Re: [Live-devel] Synchronize the "RTCP" time using RTSP Range ?

2013-03-18 Thread PROMONET Michel
Hi Ross, I know you already answer to previous tries to find a way to have a presentation time in the client (before the RTCP report) that is based on RTSP server information and not on RTSP client current time. I 'm just looking for a way to initialize the presentation time (the

Re: [Live-devel] Synchronize the "RTCP" time using RTSP Range ?

2013-03-18 Thread Ross Finlayson
I'm not sure specifically what you're asking, but as I've said (many times) before, the presentation times that are delivered at the receiver end *will* be synchronized, when (and only when) the first RTCP "SR" is received. The "RTP-Info" information is different - it helps the receiver get the

[Live-devel] Synchronize the "RTCP" time using RTSP Range ?

2013-03-18 Thread PROMONET Michel
Hi Ross, I was still thinking on my issue to send presentation time from an RTSP server to an RTSP client. I wondering if it could be a way that RTSP server answer to PLAY with an absolute Range (like Range: clock=TxZ-) and use this information and the rtpTime from the