[Kdenlive-devel] f=avi acodec=flac acodec=flac

Dan Dennedy dan at dennedy.org
Tue Mar 2 21:39:10 UTC 2010


On Tue, Mar 2, 2010 at 11:12 AM, Al Bogner
<kdenlive at ml093.pinguin.uni.cc> wrote:
> I rendered with ff1 / flac
>
> where I see these options:
>
> f=avi acodec=flac acodec=flac ar=48000 ab=1024k ac=2 vcodec=ffv1 qscale=1
> aspect=%dar
>
> Is there a reason that "acodec=flac acodec=flac" is double in
> kde4-kdenlive-0.7.7-0.pm.2.10 (opensuse 11.1)

no, a harmless typo

> I am asking especially because I cannot decode the audio stream without
> problems from the file created by kdenlive with this command:
>
> mencoder "$AVIFILE" -of rawaudio -oac mp3lame -lameopts preset=standard -ovc
> copy -o "$MP3FILE" &
>
> I get a lot of "Skipping frames"
>
>
> For testing I changed the options to
>
> f=avi acodec=pcm_s16le ac=2 vcodec=ffv1 qscale=1 aspect=%dar
>
> mixing the options from another preset. Where are the possible options listed,
> so it is not guessing?  Are these options ok? With these options there have

http://www.mltframework.org/twiki/bin/view/MLT/ConsumerAvformat

Basically, you can use any FFmpeg AVOption plus what is listed at the
bottom of that page.

> been only a few "Skipping frames" at the beginning.
>
> How can I use ff1 with lame and preset standard?

I am not sure how to use lame presets with ffmpeg.

-- 
+-DRD-+




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