[FFmpeg-devel] 4xm idct computation

yann.lepetitcorps at free.fr yann.lepetitcorps at free.fr
Wed Dec 28 05:07:43 CET 2011

Selon yann.lepetitcorps at free.fr:

> Hi,
> I have take a look into the libavcodec/4xm.c
> => can the IDCT to be remplaced by something more simpler like Haar wavelets
> ?
> (for to can be accellerated by MMX instructions for example)
> @+
> Yannoo
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More precisely, I search an encoder/decoder that work like the DCT/iDCT but with
the De Haar, Debauchies and/or others lifting schemes transforms instead the
[Fast] Fourrier Transform


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