> On Apr 10, 2020, at 6:57 AM, Ross Finlayson <finlay...@live555.com> wrote:
> 
> "fPresentationTime” - as set by your server - should always be monotonic 
> nondecreasing (i.e., it should never decrease)

The one exception to this, by the way, is ‘B frames’ (using MPEG-2 terminology; 
I don’t know what they’re called in called in H.264).  These are frames whose 
contents depends on frames that are displayed later.  In this case - because 
frames are always streamed in decoding order (i.e., the order that they are to 
be fed to the client’s video decoder) - the presentation times for such frames 
will be less than the (sent-and-decoded-earlier) frames that they depend upon.

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


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