[vdr] How does VDR handle AFD?

Malcolm Caldwell malcolm.caldwell at ntu.edu.au
Thu Sep 15 03:19:35 CEST 2005


On Thu, 2005-09-15 at 01:07 +0200, Johannes Stezenbach wrote:
> Reinhard Nissl wrote:
> > AFD information appears in the video stream after user data startcodes 
> > (0x000001B2) and these appear before picture start codes (0x00000100). 
> 
> User data and thus AFD can be in other places, too (in theory, I have
> no practical experience). Described in the MPEG-2 video spec.
> 
> > /* check Active Format Description ETSI TS 101 154 V1.5.1 */
> 
> Yeah, that's the spec.
> 
> AFAIK AFD is only used in the UK.

I think AFD is in use on one channel here in Australia.

I have tried the AFD patches for the dxr3 plugin, but the annoying thing
is that when I switch from an AFD channel to a non-AFD channel the
framesize/aspect ratio is not reset.

> Johannes
> 
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