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On Mon, May 29, 2017 at 09:25:53PM +0200, hob...@poukram.net wrote:
> Hello,
>
> in the past I used a nice little script to rip the audio part of video
> dvds (mostly concerts) to mp3 files.
>
> That script used the tool transcode, here is the main line:
>
> for i in {1..$NUM}; do transcode -x null,dvd -y null,tcaud -i $DEVICE -T
> $TITLE,$i,$ANGLE -a $AUDIO --lame_preset standard -E 44100,16,2 -m
> $NOM$i.mp3; done
>
> So it ripped the audio part of each chapter of the main title, and
> converted it to mp3 files.
>
> But transcode has been removed from debian because «replacements exist»:
>
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=817199
>
> I have searched a lot, but I can't find a tool to just rip the audio
> part of dvd chapters. ffmpeg is more than capable to do the encoding
> part, but it lacks dvd ripping capabilities. HandbrakeCli could be a
> contender, but it absolutely wants to rip and encode video, which in my
> case is a waste of ressources.
You can try (caution: untested!) something like
ffmpeg -i <input file> -vn -acodec copy <output file>
This would leave the audio format unchanged. By playing with the
"-acodec copy" you can change the output audio format.
I'm sure other programs, like mplayer are also capable to do the
trick.
Cheers
- -- tomás
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