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Automatic cutlist generation, ffmpeg with xvid

 

 

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cndougla at purdue

Feb 13, 2005, 9:18 AM

Post #1 of 3 (3953 views)
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Automatic cutlist generation, ffmpeg with xvid

OK, I'm beginning to understand what needs to be done to automatically archive
stuff. I have a job that can be queued up for each recording that will transcode
to divx and put in my videos directory. That will seriously decrease the amount
of disk space used. The only thing I would love more is the ability to
automatically generate a cutlist based on the commercial flagging, and then
transcode to divx. With the new commercial flagging routines, I believe the
cutlist would be sufficient for automated transcoding. As it is, my job does not
automatically delete the recordings afterwards anyways.

Is there a way I can automatically generate a cutlist?

BTW, I wanted to transcode to xvid, but ffmpeg doesn't recognize -vcodec xvid.
Does anyone know how to get this to work?

Thanks
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gjhurlbu+mythtv-users at beirdo

Feb 13, 2005, 1:04 PM

Post #2 of 3 (3853 views)
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Re: Automatic cutlist generation, ffmpeg with xvid [In reply to]

Chase Douglas <cndougla[at]purdue.edu> wrote:

[snip]

It seems you are recreating the wheel. nuvexport already does almost precisely
what you want, and it's just a matter of time before it gets linked as a
jobqueue item.

> Is there a way I can automatically generate a cutlist?

Not to my knowledge, nor would I trust the commercial marking to be 100%, even
with the recent improvements.

> BTW, I wanted to transcode to xvid, but ffmpeg doesn't recognize -vcodec xvid.
> Does anyone know how to get this to work?

Yeah, build ffmpeg with support? The only people I have heard with this
problem are using ffmpeg on Gentoo, which seems to have a borked ebuild. It
is being looked into by at least one Gentoo developer last I heard.

Ciao


cpinkham at bc2va

Feb 16, 2005, 11:22 PM

Post #3 of 3 (3847 views)
Permalink
Re: Automatic cutlist generation, ffmpeg with xvid [In reply to]

> OK, I'm beginning to understand what needs to be done to automatically archive
> stuff. I have a job that can be queued up for each recording that will transcode
> to divx and put in my videos directory. That will seriously decrease the amount
> of disk space used. The only thing I would love more is the ability to
> automatically generate a cutlist based on the commercial flagging, and then
> transcode to divx. With the new commercial flagging routines, I believe the
> cutlist would be sufficient for automated transcoding. As it is, my job does not
> automatically delete the recordings afterwards anyways.
>
> Is there a way I can automatically generate a cutlist?
>
> BTW, I wanted to transcode to xvid, but ffmpeg doesn't recognize -vcodec xvid.
> Does anyone know how to get this to work?

If you're running current CVS, you can use the new --gencutlist option to
mythcommflag which tells mythcommflag to copy the commercial skip list
to the cutlist for a recording. When using --gencutlist, flagging is not
run, it only copies the list, so you must have already run flagging for
the recording you want to cut.

--

Chris

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