[mythtv-users] nuvexport - Xvid and MP4 not working (even though compiled in ffmpeg)

Matt skd5aner at gmail.com
Thu Aug 9 21:01:52 UTC 2007


On 8/9/07, Matt <skd5aner at gmail.com> wrote:
> On 8/9/07, Matt <skd5aner at gmail.com> wrote:
> > On 8/9/07, Brad DerManouelian <myth at dermanouelian.com> wrote:
> > > On Aug 9, 2007, at 10:50 AM, Matt wrote:
> > >
> > > > Hi,
> > > >
> > > > I'm having an issue where xvid is disabled saying that ffmpeg hasn't
> > > > been compiled with it, however... I just compiled it from source and I
> > > > know it was.  I'm using current ffmpeg SVN from today.
> > > >
> > > > In addition, MP4 (ipod) says it's disabled because it doesn't support
> > > > encoding to AAC, but FAAD and FAAC are both compiled in.
> > > >
> > > > I'm running ubuntu, but compiled nuvexport and ffmpeg from SVN
> > > > source today.
> > >
> > > Are you running into this?
> > > http://www.gossamer-threads.com/lists/mythtv/dev/282791
> > > http://www.gossamer-threads.com/lists/mythtv/dev/282597
> > >
> > > _______________________________________________
> > > mythtv-users mailing list
> > > mythtv-users at mythtv.org
> > > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> > >
> >
> > Yup... that's it.  I replaced it and it now is no longer disabled.
> > However, I still have an issue when trying to run an MP4 (h264)
> > transcode:
> >
> > Choose a function, or episode(s) to remove:  c
> > Where would you like to export the files to? [.]
> > Enable Myth cutlist? [Yes]
> > Enable noise reduction (slower, but better results)? [No]
> > Enable deinterlacing? [Yes]
> > Crop broadcast overscan border (0-5%) ? [1.5]
> > Audio bitrate? [64] 128
> > Enable iPod compatibility? [Yes] no
> > Video codec (mpeg4 or h264)? [h264]
> > Variable bitrate video? [Yes]
> > Multi-pass (slower, but better quality)? [Yes]
> > Video bitrate? [384]
> > Default resolution based on requested dimensions.
> > Width? [320] 480
> > Height? [368]
> >
> > Now encoding:  Saturday Night Live:  Untitled
> > Encode started:  Thu Aug  9 14:49:08 2007
> > First pass...
> > Waiting for mythtranscode to set up the fifos.
> > Starting ffmpeg.
> > processed:  0 of -138631 frames at 0 fps (~%, eta: unknown)
> >
> > ffmpeg had critical errors:
> >
> > Unknown codec 'h264'
> >
> >
> > I'm guessing that somewhere else it's passing the wrong codec name to
> > ffmpeg.  I haven't really had a chance to dive in yet and fix this as
> > I really don't have a lot of perl or ffmpeg knowledge to know what
> > should be passed.
> >
> > Either way, I guess someone should open a ticket so Chris can fix this.
> >
> > Thanks!
> > Matt
> >
>
> Looks like it needs to pass "-vcodec libx264"
>
> http://rob.opendot.cl/index.php/useful-stuff/ffmpeg-x264-encoding-guide/
>
> Also, that's a good link to look into passing some defaults to get
> some good quality g264 transcodes
>
> If no one opens a ticket I'll do so.
>
> Thanks!
> Matt
>

Submitted a ticket for the patches for xvid and aac:
http://svn.mythtv.org/trac/ticket/3809

Thanks Ken and Wade for contributing and I hope you didn't mind me
attaching the patches to a ticket.

Thanks!
Matt


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