[FFmpeg-devel] [PATCH] Add AAC FATE encode tests.
derek.buitenhuis at gmail.com
Fri Apr 6 22:29:05 CEST 2012
On 06/04/2012 4:24 PM, Reimar Döffinger wrote:
> What exactly do you want to know? The tiny_psnr tool prints as last
> statistics two size values, and the size tolerance is the difference
> between these.
> If you want to know why there is a difference in size between decoded
> file and reference that is generally due to encoder/decoder delay
> creating addition 0-samples in front, the encoder rounding the size
> to whatever block size it needs and here also the "shift" value
> influencing the "size" value that tiny_psnr calculates - which may
> or may not make sense.
> Large values tend to mean that the encoder/decoder aren't particularly
> good, since I think for most formats that issue can be minimized.
I was just wondering how you derived 2464 and 3560.
As in where do those numbers come from.
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