[Ffmpeg-devel] VP3/Theora Perfection

Diego Biurrun diego
Wed May 18 12:13:54 CEST 2005


On Tue, May 17, 2005 at 05:43:08PM -0600, Mike Melanson wrote:
> 	I just committed some code that uses VLC tables rather than the 
> tree-based get_bits1() or switch/case logic. I have replaced 
> get_fragment_run_length(), get_mode_code(), and
> get_motion_vector_vlc() so far. Please test as I only have access to one 
> sample in a restricted dev environment right now.

All the samples from mphq are working fine, but Michael disabled one
optimization.

> 	For those who want hard numbers for improvement, here they are:

It's still between 50-100% slower than the binary decoder, which is a
giant improvement from what it was a few days ago.

Diego





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