[mythtv-users] Why is DVD burning failing with ffmpeg?

John Drescher drescherjm at gmail.com
Tue May 29 12:03:25 UTC 2007

On 5/28/07, Michael Williams <gberz3 at gmail.com> wrote:
> Alright all,
> Still curious as to why "mythburn" is failing.  I used a vanilla install of
> mythtv with myth-plugins and mythtv-themes.  I then ran system updates.  At
> this point I'd already recorded several gigs worth of data so i didn't want
> to wipe.  I'm not sure if the updates broke anything because I hadn't tried
> burning at absolute "vanilla" status.  Again, the command used is:
> ffmpeg -y -f s16le -ar 48000 -ac 2 -i /tmp/work/1/audout -f rawvideo -
> pix_fmt yuv420p -s 480x480 -aspect 1.33333 -r 0.0333667 -i /tmp/work/
> 1/vidout -aspect 1.33333 -r 0.0333667 -s 720x480 -b 4771k -vcodec
> mpeg2video -qmin 5 -ab 192 -ar 48000 -acodec ac3 -f dvd "/tmp/work/1/
> newfile2.mpg
> . . .and the error I receive is:
The ab param needs to be -ab 192k because ffmpeg  changed -b and -ab
to mean bytes per second.


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