[FFmpeg-devel] [PATCH 1/2] avfilter/vf_zscale: add slice threading

[Gyan]

On 01-06-2019 02:06 AM, Carl Eugen Hoyos wrote:
> Am Fr., 31. Mai 2019 um 16:40 Uhr schrieb Lynne <dev at lynne.ee>:
>
>> Number of threads should not have any impact at all on quality ever.
> Afair, it has for x264...
> (not necessarily related to this patch though)
Definitely x265: 
https://bitbucket.org/multicoreware/x265/issues/449/distortion-in-idr-frame-higher-ratefactor

Gyan