[mythtv-users] Recorded programs in MythVideo

Nick Rout nick at rout.co.nz
Mon Jul 25 16:02:56 EDT 2005

On Sun, 2005-07-24 at 20:45 -0500, Kevin Kuphal wrote:
> Nick Rout wrote:
> >>What is the best way to watch recorded programs from MythVideo while 
> >>preserving cutlists and commercial flagging?  Is it to export them with 
> >>some program or is there a naming convention used with the Internal 
> >>player in MythVideo that will cause it to respect cutlists?  I have some 
> >>Kids movies that I've recorded and I'd like to have them in the Video 
> >>Gallery with the rest of our movies but with the cutlists preserved.
> >>    
> >>
> >I think if you transcode the file it will cut according to the cutlist,
> >and you end up with the cut and advert-less transcoded file. It'll
> >probably be transcoded to a more manageable file with a tighter codec
> >like mpeg-4. 
> >
> Thanks for the suggestion.  I already record in MPEG-4 (bttv capture) so 
> is there a way to apply the cutlist without recompressing everything or 
> should I live with the marginal loss of quality that the possible 
> recompression will incur? 

Yes, as I said create an edl list. It works I just tried it.

The program I already created the cut list in has the following cutlist
in the database:

0-19681 108330-115380 - this means cut from frame 0 to frame 19681 and
from frame 108330 to frame 115380

This is obtained from a search of the database, the cutlist field in the
table recorded.

The filename is 

1051_20050708115800_20050708130500.nuv so I made an edl called 
1051_20050708115800_20050708130500.nuv.edl containing:

0 787.2 0
4333.2 4615.2 0

This means cut from zero seconds to 787.2 seconds and from 4333.2 secs
to 4615.2 secs

numbers were calculated as follows:

19681/25 = 787.2
108330/25= 433.2 etc

I use PAL so it is 25 frames per sec. NTSC is something weird like
29.97, but 30 should be accurate enough.

then playing with 

mplayer 1051_20050708115800_20050708130500.nuv -edl \

plays with the cuts.

I did  this manually as a trial. It would be easy enough to script.

>  I assume I'll have to set up a transcoding 
> profile in Myth first before attempting this?
> Kevin
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Nick Rout <nick at rout.co.nz>

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