On Jul 29, 2011, at 11:15 AM, Jeff Shanab wrote: > Thanks that explains it, the last firmware upgrade allows us to disable audio. > > The PTS still jumps even for video only
That suggests that the camera does, indeed, send RTCP "SR" packets. See http://www.live555.com/liveMedia/faq.html#rtcp-synchronization-issue > , do I need to explicitly request sync of the video stream when I only want > video? The "hasBeenSynchronizedUsingRTCP()" function does not 'request' synchronization; synchronization happens automatically off RTCP "SR" packets are received. The "hasBeenSynchronizedUsingRTCP()" function merely tells you whether the received presentation times can be considered accurate. > One last question, does sync offset the PTS and allow it to appear as if it > is the same ntp stamp as the receiver? I don't understand this question. But application code should never need to concern itself with RTP timestamps. Just work with "presentation times". Ross Finlayson Live Networks, Inc. http://www.live555.com/
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