[Libav-user] qmin qmax settings for libx265 (HEVC) not functional
mtaha.ansari at gmail.com
Fri Jun 6 09:35:24 CEST 2014
On Fri, Jun 6, 2014 at 12:21 PM, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:
> Taha Ansari <mtaha.ansari at ...> writes:
>> > > ffmpeg -i temp.mp4 -c:v libx265 -qmin 40 -qmax 41 output.mp4
>> > Why do you think that -qmin and -qmax are supported
>> > in x265? Do you see a related option for x265?
>> I saw this on command line while processing output stream:
>> Stream #0:0(eng): Video: hevc (libx265) ( / 0x0023),
>> yuv420p, 640x360 [SAR 1:1 DAR 16:9], q=40-41, 200 kb/s, 30 fps,
>> 15360 tbn, 30 tbc (default)
>> particularly: "q=40-41"
>> doesn't that mean qmin/qmax settings is being passed
>> over to libx265?
> It means that you passed the settings to ffmpeg.
> As said: Do you see a related option for the
> x265 executable?
Just had a look - and could not find qmin/qmax settings. However it
does mention "qpmin/qpmax"; are they correlated?
> Please set your mailer to text-only.
> Carl Eugen
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