On Wed, 11 Mar 2009 16:06:41 -0500 DRC <dcomman...@users.sourceforge.net> wrote:
> I did a study a while back which compressed every 10th frame of the > entire run of Viewperf using the entire range of JPEG quality and > subsampling settings and computed an average compression ratio from > these hundreds of images for each quality level (spreadsheet available > on request.) > > Based on that study, I would propose using the following quality and > subsampling levels, which correspond to meaningful average compression > ratios: > Sure, except for the subsampling. Only 4:2:2 and 4:2:0 are accelerated, so I propose replacing 4:1:1 with 4:2:0. Rgds -- Pierre Ossman OpenSource-based Thin Client Technology System Developer Telephone: +46-13-21 46 00 Cendio AB Web: http://www.cendio.com
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