[Open-graphics] decoding video in real-time

[Jan Knutar]

On Thursday 22 March 2007 09:21, Vesa Solonen wrote:

> Have you thought about the problem of runtime synchronizing of
> vertical refresh to video frame/field rate? DVB and other externally
> timed streams would need this, to be playable at synchronous/coherent
> frame rate (50 or 60 Hz). On local files the playback timebase might
> be video card, so this is not necessary.

I believe video players usually use the sound card as timing source,
otherwise they'd have to compensate for the difference between the sound 
card's clock and system/graphics clock by resampling the sound.