[FFmpeg-devel] [PATCH] Interlaced encoding for ProRes

[Reimar Döffinger]

On 14 Aug 2012, at 00:30, Nicolas George <nicolas.george at normalesup.org> wrote:
> Le septidi 27 thermidor, an CCXX, Nicolas George a écrit :
>> Just out of curiosity, did someone compare the quality and output bitrate of
>> the encoders too?
> 
> Answering to myself with a quick test:
> 
>      Anatoliy              Kostya
> pr    size psnr            size psnr
> 0   440399 41.971981210  389212 41.135171880
> 1  1070123 43.292339336  885619 42.613660709
> 2  1735215 44.164790262 1263037 43.227844857
> 3  2658625 44.578925080 1889623 43.934101304
> 
> A plot shows that Kostya's encoder is significantly better quality-wise, but
> not monstrously so.

How did you come to that conclusion? Higher PSNR is better, Kotya's produces both smaller size and lower quality, so I would say congratulations on data points that don't say anything about encoder quality...