[mythtv-users] MJPEG->MPEG-4 transcoder?
Mark Kundinger
mkundinger at yahoo.com
Tue Oct 4 16:56:16 UTC 2005
--- "Brian J. Murrell" <brian at interlinx.bc.ca> wrote:
> I have set up a second backend with a Matrox G400 in it. This is an
> MJPEG hardware encoder. The files are huge though (5G an hour or so,
> which is about right for the MJPEG settings I configured for this
> profile), so I want to set up a transcoder for it. There does not
> seem
> to be a default "From MJPEG" transcoder so I created a new one:
>
> mysql> INSERT INTO recordingprofiles SET
> name="MJPEG",videocodec="MPEG-4",audiocodec="MP3",profilegroup=6;
>
> When I go the transcoders menu I do see it and I can configure it
> just
> like any other transcoder, however when I try to transcode a file
> with:
>
> # mythtranscode -i /video/tmp/1006_20051003230800_20051003233000.nuv
>
> I get a transcode process that only seems to read the file (as
> witnessed
> with strace) and does no writing and when it is done it displays
>
> Couldn't find stream paramters for '
> /video/tmp/1006_20051003230800_20051003233000.nuv'
>
> This stream is perfectly watchable however, so it must be at least
> some
> part valid.
>
> Ideas?
>
> b.
>
> --
> My other computer is your Microsoft Windows server.
>
> Brian J. Murrell
This doesn't address your specific issue, but MythTV will normally use
the "From RtJPEG/MPEG4" transcoder settings for MJPEG transcoding. So,
you don't need a new entry to make it work, you'd just need the new
entry if you want to transcode differently for MJPEG.
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