[libav-tools] avconv: extract the *.mpg out of a *.vob without reencoding

Luca Barbato lu_zero at gentoo.org
Wed Oct 30 17:23:53 CET 2013


On 26/10/13 22:58, Fabian Marr wrote:
> Hello,
> I'm Johann and I'm novice with avconv.
> I've got the following problem:
> I have a *.vob file and would like to extract the contained mpeg-ps (without 
> reencoding).
> I used the following command:
> "avconv -i input.vob -map 0:0 -map 0:a -c:v copy -c:a copy output.mpg"
> I think this command should extract the video and all of the audio streams. But 
> the result is a mpg-file, that contains only the video stream without any audio 
> streams.
> While avconv was creating the *.mpg, one part of the output was:
> "
> Stream mapping:
>    Stream #0:0 -> #0:0 (copy)
>    Stream #0:1 -> #0:1 (copy)
>    Stream #0:2 -> #0:2 (copy)
>    Stream #0:3 -> #0:3 (copy)
> "

if you output in in a mkv does it behave differently?

lu



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