[FFmpeg-user] ffmpeg makes some sources darker

Andy Furniss adf.lists at gmail.com
Wed Jan 6 12:04:39 CET 2016


Jim Worrall wrote:
>
>> On 2016 Jan 5, at 6:06 PM, Andy Furniss <adf.lists at gmail.com> wrote:
>> I would double check your command line(s) - if they seem OK paste it/them along with the full output(s).
>>
> You are so right.  I had pass=1 twice (I’m going to hide under
> a rock now).  Now I get:
>
> x265 [info]: tools: rd=2 psy-rd=0.30 early-skip signhide tmvp fast-intra
> x265 [info]: tools: strong-intra-smoothing deblock stats-write
> encoded 719 frames in 108.41s (6.63 fps), 3099.37 kb/s, Avg QP:24.68
>
> x265 [info]: tools: rd=2 psy-rd=0.30 early-skip signhide tmvp fast-intra
> x265 [info]: tools: strong-intra-smoothing deblock stats-read
> encoded 719 frames in 103.39s (6.95 fps), 2990.00 kb/s, Avg QP:24.61
>
> Still getting ~the same time in both passes (this is preset ‘superfast’).

:-)

I guess superfast hides the gain of the first pass. I am not sure I
would want to encode with it using 3M ABR - which is quite low, but
then libx265 is quite slow.



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