[mythtv-users] Save recording on DVD?

[Bobby Gill]

If you are running linux, DeVeDe is a wonderful tool where you can pop in a
video file, hit one button and it will adjust the bitrate of the encode to
keep the file at the max size per the disc being used.

On Sun, Aug 10, 2008 at 5:35 PM, Rod Smith <mythtv at rodsbooks.com> wrote:

> On Sunday 10 August 2008 04:39:28 pm Mark Knecht wrote:
> > My wife is asking if it's possible to save a recording of the Olympics
> > opening ceremonies on DVD. Is there some simple way to do this?
> >
> > SD recording file from a PVR-150/250 which is currently about 10GB so
> > I suspect it's too large for a single DVD.
>
> 10GB is within spitting distance of the capacity of a dual-layer disc. If
> that
> 10GB includes commercials, then after editing them out, it would probably
> fit
> on a dual-layer disc. OTOH, dual-layer discs are likely to be less archival
> than single-layer discs, so you might need to compress it down or split it
> across two discs. Compressing it is fairly easy with MythArchive, although
> it'll take the system a while (possibly hours) to churn on that file. (A
> tip:
> Don't burn directly to DVD; create a file and then burn that manually. That
> way you can check the file first to be sure it's OK.)
>
> If you want to split an existing file into parts, it's possible, but you've
> got to juggle files. First, copy the original file to a backup location.
> (You
> may need to figure out which one it is in the recordings directory.) Then
> use
> MythTV's editing features to lop off part of the file -- say, the second
> half
> if you want to break the file in two. If the file's already in MPEG-2
> format,
> your best bet is to select lossless transcoding options; that's quick and
> results in no loss of quality. When you're done, you should have a file
> that's roughly half (or whatever) the original file's size. Copy that to a
> video directory and move or copy the original backup file back in its
> place.
> Select another lossless transcode and MythTV will recognize the original
> recording in its full size. You can then repeat the process, but this time
> lop off the part that you preserved the first time around. You'll now have
> two (or more) files, each sized to fit your DVD. Use MythArchive to burn
> them
> without re-encoding them. Of course, there are lots of variants of this
> procedure that involve different types of transcoding or other details. You
> could also use non-MythTV tools to do this sort of thing.
>
> --
> Rod Smith
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