[FFmpeg-user] High Quality WEBM

[Reindl Harald]

Am 22.12.2015 um 20:30 schrieb jd1008:
> On 12/22/2015 12:13 PM, Kirk Clemons wrote:
>> That's a big help.
>>
>> On Tue, Dec 22, 2015 at 10:00 AM, Reindl Harald <h.reindl at thelounge.net>
>> wrote:
>>
>>> Am 22.12.2015 um 18:41 schrieb Kirk Clemons:
>>>
>>>> Is there a recommended command for high quality webm video from a
>>>> raw avi
>>>> source?
>>>>
>>> well, there is nothing like a recommended command
>>> in general it don't matter much what format the source is
>>> below a log output from today
>>>
>>> raie the bitrate and size, that's a automated system calculation pad to
>>> reach target of 320x180 independent of the source
>>>
>>> Output #0, webm, to
>>> '/www/temp/94db14123a8cba39c1715e9a806d4a342a944b34.webm':
>>> [video] => /usr/local/bin/ffmpeg -hide_banner -i '/www/temp/12.m4v'
>>> -y -vb
>>> '384k' -ab '96k' -bt '64k' -maxrate '480k' -ar '44100' -ac '2' -r
>>> '25' -vf
>>> 'scale=320:176,setdar=16/9,pad=320:180:0:2:000000' -async '1' -vcodec
>>> 'libvpx' -acodec 'vorbis' -strict 'experimental' -g '120' -level '216'
>>> -profile '0' -qmax '42' -qmin '0' -slices '4' -threads '6' -metadata
>>> 'creation_time=2015-12-22T14:30:40'
>>> '/www/temp/94db14123a8cba39c1715e9a806d4a342a944b34.webm' >>
>>> '/www/logs/ffmpeg.log' 2>> '/www/logs/ffmpeg.log'
>>> [status] => Video '/www/temp/12.m4v' wurde in
>>> '/www/temp/94db14123a8cba39c1715e9a806d4a342a944b34.webm' konvertiert
>
> I would like to add
>
> -s '1920x1080'

how does 1920x1080 makes sense when your destination size is 320x180?

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