[MPlayer-dev-eng] Re: [PATCH] dvr-ms fixes for pts, key frame detection and seeking

Uoti Urpala uoti.urpala at pp1.inet.fi
Thu Feb 8 18:47:16 CET 2007

On Thu, 2007-02-08 at 11:02 -0600, John Donaghy wrote:
> 1) in some samples they only appear on keyframes but, once you know the
> average frametime, you can interpolate the in-between values and it works
> perfectly

How does anything else play this? Do they really try to calculate
average frametime? Are you sure there is no overall (constant) framerate
indicator elsewhere in this case?

> The technique I've tested to get round the first issue also avoids the need
> to use correct-pts for the second - which I think is a good thing.

But it can only be correct if all videos stored in this container are
constant framerate. Are they?

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