> On Aug 17, 2020, at 3:31 PM, Eric Hsieh <[email protected]> wrote:

Please trim your message when quoting from a previous email.


> One more question on sync topic. Thanks.
> If the worst case is
> RTSP server receive request from client, the time is 1.576000
> Server start finding the latest H264/AAC frames.
> H264 frame's presentation time start from 1.000000.
> AAC frame's presentation time start from 1.640000.
> 
> When client receive the first H264 frame to play, and receive the first AAC 
> frame and play.
> You can see video without audio for 640ms.

That’s correct - given the presentation times that you noted.

I’m not sure what you think needs to be ‘fixed’ here; you’ve already said that 
the video stream starts 640 ms before the audio.


Ross Finlayson
Live Networks, Inc.
http://www.live555.com/


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