[mythtv-users] why are the mythtv stream files different fromstandard codecs?

Greg geflatt at hfx.eastlink.ca
Sun Apr 6 14:11:04 UTC 2003


Nice! Thanks a lot Rob, I think this script will work great!! I have to
give it a go and see how it works out.

Greg

On Sat, 2003-04-05 at 17:39, Rob Snow wrote:
> Here is what I use for one of my scripts, this one is designed to put 3hr's 
> of DIVX on one CD.  You might want to adjust the audio/video ratio's if you 
> are doing something with nice audio.
> 
> I have 2hr/3hr/4hr/6hr scripts that I use to convert my 2Kbps MPEG4 .nuv 
> default captures to something that I can actually carry around on the 
> laptop, burn to CD for my wife or family since .nuv is useless to them.
> 
> I use a cron job with a find /e/store -mtime +2 to get anything I haven't 
> already deleted in 2 days and convert it and rename it using the other 
> script I previously posted to name it by extracting the Title:subtitle from 
> the database. 
> (ie. 1059_213412431432_243132412314.nuv --> SG-1:Emancapation.avi)
> 
> I just need to write another script to delete the .nuv and database entries 
> from Myth once it's done.
> 
> I should probably up the 2Kbps MPEG4 to around 4Kbps (~2GB/hr) since they 
> are going to be converted pretty quickly to something else.
> 
> -Rob
> 
> 
> ########## INCLUDE 2hr-2pass ##########
> 
> #!/bin/sh
> rm -f *.log
> echo got $1
> path=$1
> echo path=${path}
> root=${path%.*}
> echo root=${root}
> noroot=${root##/*/}
> echo noroot=${noroot}
> 
> # First pass, note it's without vhq and v4mv
> ./mencoder-cvs -idx $root.nuv -fps 30 -oac mp3lame -lameopts 
> vbr=3:br=80:mode=1 -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=464:vpa
> ss=1 -vop lavcdeint,scale=320:240 -aspect 4:3 -o $noroot.avi
> 
> # Second pass with vhq and v4mv
> ./mencoder-cvs -idx $root.nuv -fps 30 -oac mp3lame -lameopts 
> vbr=3:br=80:mode=1 -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=464:vhq
> :v4mv:vpass=2 -vop lavcdeint,scale=320:240 -aspect 4:3 -o $noroot.avi
> 
> ############# end include #############
> 
> 
> On Sat, 05 Apr 2003 09:44:05 -0400, Greg wrote
> > Update, I've gotten a format playable in windows by:
> > 
> > mencoder -ovc lavc -lavcopts vcodec=mpeg4 -oac copy source.avi -o
> > test.avi
> > 
> > Winamp3 and DivX player can play the file, but windows media player
> > cannot, which is probably a windows media player problem... Next I need
> > to figure how to set the aspect ratio so my 480x480 files look right
> > with having to setting the aspect ratio in the player. Then maybe 
> > get a SVCD burnt....
> > 
> > Greg
> > 
> > On Sat, 2003-04-05 at 09:07, Greg wrote:
> > > Well I patch mplayer 0.90rc5 and now can view the video in mplayer, so I
> > > guess that means the mpeg4 is modified... Next I tried converting it to
> > > a format that windows can play by:
> > > 
> > > mencoder -ovc copy -oac copy source.nuv -o test.avi
> > > 
> > > the resulting test.avi is playable in mplayer, but I only get the sound
> > > in windows. Seen mention in the archives about getting a black video in
> > > windows, but it was suggested that a patch was needed so mplayer can
> > > play this files, which it can now do.
> > > 
> > > Greg
> > 
> > _______________________________________________
> > mythtv-users mailing list
> > mythtv-users at snowman.net
> > http://lists.snowman.net/cgi-bin/mailman/listinfo/mythtv-users
> 
> 
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-- 
Greg <geflatt at hfx.eastlink.ca>



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