[Ffmpeg-devel] H.264 encoder

Panagiotis Issaris takis.issaris
Wed Oct 4 13:12:38 CEST 2006


Op woensdag 4 oktober 2006 13:02, schreef Guillaume POIRIER:
> > A while ago we sent a message to this mailinglist, announcing the fact
> > that we were working on a H.264 encoder for libavcodec. We have released
> > a new patch, which is available at the following location:
> > http://research.edm.uhasselt.be/h264/
> I was wondering what would it take to replace the entropy encoder
> "cabac" with FFmpeg's range coder?
We did not implement CABAC, but CAVLC.

> The idea would be to benefit from H264's cool features without the
> slowness of CABAC.
I thought CAVLC would have that benefit, less efficient compression,
but faster then CABAC.

> Off course, the resulting streams won't be true H.264 files, but they
> should be much quicker to decode on low-end machines.
And as CAVLC is in the standard, it is a true H.264 file :)

> I meant to try to do this with x264, but never had the time to do this...

With friendly regards,

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