On 7/29/05, John P. Mitchell <[EMAIL PROTECTED]> wrote: > All, > > > For archiving to DVD I use my Mac. I just transfer over the .nuv file > > (which is really MPEG-2), rename it .mpg, MPEGStream to get it into DV > > format, and use Quicktime Pro to cut out the commercials. I can then > > use iDVD to make a disc with cool menus, etc. Easy. > > > > Assuming you have a Mac, that is ;). > > _______________________________________________ > > mythtv-users mailing list > > [email protected] > > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users > > > > I started this way, but it takes forever time wise on my Mac Mini and > my quality was pretty bad with all the reencoding that went on. Also, > iDVD is not good for controlling the bit rate on the final DVD. iDVD > would record my content at full DVD quality which would just fit a one > hour show on my single layer DVD-R (lame!). > > I am now doing the following with Linux which takes far less CPU time, > but does take a fair amount of I/O time. Which of course assumes you > have a Linux box. > > 1. Demux/Cut MPEG2 content from MythTV with Java based ProjectX. You > can download ProjectX from http://www.doom9.org/DigiTV/projectx.htm . > This application not only has the ability to cut the MPEG (only on > keyframes) without reencoding, but it appears to have fixed all of the > audio sync problems for me. I have yet to tackle real long stuff but my > kids two hour shows are fine. > > 2. Re-multiplex audio/video streams with mplex > > 3. Create DVD structures with dvdauthor > > 4. Create DVD ISO with mkisofs (not sure why others are using > growisofs, mkisofs works fine for me). > > 5. Copy DVD ISO to my Mac for burning (My Mac has the only DVD burner > in the house.) > > I started using avidemux2 for step 1. but I had audio sync issues that > I could not correct with a static audio skew. ProjectX seems to do some > kind of correction, and in fact it says it is fixing frame ordering > when I use it in the logs. Total time from transfer of the MPEG2 to my > Linux box to a burned DVD is about 45 minutes. I even have a little > shell script that takes care of most of the brain dead steps (mplex, > dvdauthor, mkisofs, not the editing!). Currently with a max variable > bit rate of 4.4Mbit (on my PVR-250), I get a little over two hours of > content on one single layer DVD-R which plays on every settop DVD > player I have tried so far (including some xboxes) with zero audio sync > issues. This means three one hour episodes minus commercials on each > DVD-R! Excellent! I started with the following HOW-TO and adapted as I > stated above: > http://www.mythtv.info/moin.cgi/ArchiveRecordingsToDvdHowTo . If you > want all the gory tech details, then I will put together an HTML based > HOW-TO and post it someplace. > > Regards, > John P. Mitchell <[EMAIL PROTECTED]> > Email Sticker: My Boss is a Jewish carpenter > http://www.GoboLinux.org | User #00010110 > _______________________________________________ > mythtv-users mailing list > [email protected] > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users >
I found that avidemux2 would have much better audio sync when you only cut on keyframes. If I cut off of keyframes, I would start to see audio issues. _______________________________________________ mythtv-users mailing list [email protected] http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
