[FFmpeg-devel] [PATCH] RoQ video encoder, take 2

Vitor vitor1001
Sun May 27 12:21:03 CEST 2007


I've considerably changed my patch. Indeed, changing the codebook 
generator code to the ELBG algorithm lead to better image quality and 
comparable speed. I've tried to do a very general codebook generator, to 
maybe reuse in future in another VQ encoder.

In the other hand, I was disappointed with the new motion estimator 
code: since the motion vectors are restricted to [-7:7], it improved 
only a little bit the quality.

Finally, to get rid of the YUV444 data, I reused some of the code from 
the decoder. So I've splitted the decoder in a shared file and a decoder 
specific file. I hope this is the preferred way of doing it.

Comments welcome!


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