[Ffmpeg-devel] ffwmv3, ffsvq3 and lowres

[Michael Niedermayer]

Hi

On Fri, Dec 15, 2006 at 05:35:26AM +0000, Compn wrote:
> is it possible to have lowres working with ffwmv3 and ffsvq3 ?
> 
> i remember lowres works on mpeg 1/2 and mpeg4 codecs but not wavelet/h264 stuff.

lowres should work with wavelet codecs
for h.264 there likely would be problems due to intra predicton possible 
solutions would be
* use small slices for i frames on the encoder side and limit the amount of 
  intra allowed in non i
* decode intra blocks at full resolution
* let encoder run a normal + lowres decoder for all decissions like intra 
  prediction direction


[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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