Re: ffmpeg

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On Mon, 2022-06-20 at 18:37 -0400, Bill Cunningham wrote:
> It is a dvd image from genisoimage using the -dvd-video switch.

Is this a disk that has worked before?

Alternatively, can you try doing this with another disc that has worked
before?

For a standard DVD-video disc, you have menus to contend with, as well
as several video files (some related to each other, others not).  Your
command line seems extraordinarily simple for dealing with the
complexity of a video disc.

DVDs, are usually an assembly of 1 GB parts of titles.  e.g. Title 1
part 1, title 1 part 2, title 1 part 3, title 2 part 1, title 2 part 2.
With various index files so the player knows how to assemble the parts
into sane order and interact with the menus.  

For me, I'd compile all the title 1 parts into one file, all the title
2 parts into one file, etc.  But that would require giving a set of
instructions to the tool doing the conversion.  And storing the
resultant files on something that can handle very large files.

Are you expecting each MPEG file on the disc to become a standalone
file on the computer?  Are you expecting it to concatenate all the disc
MPEGs into one MPEG on the computer?  Are you expecting it concatenate
all the associated MPEGs on disc from one title into one MPEG on the
computer, then start doing the same for any other titles, separately?

I couldn't imagine one simple import ISO export as MP4 command working
for any disc I have, other than the odd one or two that I've made with
just one short clip on them.

https://www.google.com/search?q=ffmpeg+convert+DVD+to+MP4
Might start you on the right direction.

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