[FFmpeg-user] 2 pass encoding with hevc_nvenc

Reindl Harald h.reindl at thelounge.net
Sun Sep 4 15:31:15 EEST 2016

Am 04.09.2016 um 14:24 schrieb Peter White:
> 04.09.2016 14:00, Reindl Harald:
>> Am 04.09.2016 um 13:57 schrieb Peter White:
>>> But I never saw the point of running two passes to improve the quality
>>> of a file encoded with CRF mode. The quality improvement must be very
>>> small, I reckon. But the encoding time doubles--not worth it
>> with smart params it don't double
>> the first pass can be with a faster profile and skip audio entirely and
>> so it's typically around 50% of a normal run and often far below
> But that then defeats the point of having a /useable/ 1st-pass file. ;)

says who?

are you sure you understand how 2-pass-encoding works?

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 181 bytes
Desc: OpenPGP digital signature
URL: <http://ffmpeg.org/pipermail/ffmpeg-user/attachments/20160904/681ad015/attachment.sig>

More information about the ffmpeg-user mailing list