[theora-dev] How to measure performance of a codec

[David Kuehling]

>>>>> "janaka" == janaka priyadarshana <rpjanaka at gmail.com> writes:

> hi all, please can anyone tell me, how can i compare two codec for the
> performance like, compression ability, video buffering, processing
> delay etc.

For compression ability, PSNR as comparison criterion comes to my mind.
But might not be very close to human perception.  Googeling brings up
this:

http://en.wikipedia.org/wiki/Comparison_of_video_codecs
http://en.wikipedia.org/wiki/Video_quality

and some actual comparisons:

http://www.compression.ru/video/codec_comparison/mpeg-4_en.html
http://www.idm.ru/content/view/7/7/lang,ru/