I'm posting this to both the mjpeg-users and transcode-users
lists since I don't really know where the issue lies.

I just discovered tcrequant and am trying to use it to make 
reduced-size DVDs in the same manner as does dvd9to5.pl from
http://lakedaemon.netmindz.net/dvd9to5.

The first test was the PAL version of Once Upon A Time In America,
which comes on two discs.

The first disc went just fine, mplex giving me a 4.3 Gb file which
dvdauthor accepted without any warnings except a "GOP not closed",
and I was able to make a DVD which played OK in a stand-alone player.

The second disc, using the very same script, throws up errors. It's
OK until mplex runs, when it immediately emits errors and squawks 
about me not giving it a %d in the name and it wanting to split the
file:

>   INFO: [mplex] Scanned to end AU 0
>   INFO: [mplex] Scanned to end AU 0
>   INFO: [mplex] Run-in Sectors = 89 Video delay = 13019 Audio delay = 16619
>   INFO: [mplex] New sequence commences...
>   INFO: [mplex] Video e0: buf= 237568 frame=000000 sector=00000000
>   INFO: [mplex] Audio bd: buf=  16384 frame=000000 sector=00000000
>   INFO: [mplex] Running out...
>   INFO: [mplex] Video e0: buf= 235556 frame=000000 sector=00000001
>   INFO: [mplex] Audio bd: buf=  16384 frame=000000 sector=00000000
>**ERROR: [mplex] Need to split output but there appears to be no %d in the filename 
>pattern movie.mpg

OK, so I run it again with a %d in the filename.
While it's running I see a huge number of these:

>   INFO: [mplex] Audio bd: buf=  16384 frame=000000 sector=00000000
>   INFO: [mplex] Running out...
>   INFO: [mplex] Video e0: buf= 237310 frame=000000 sector=00000001
>   INFO: [mplex] Audio bd: buf=  16384 frame=000000 sector=00000000
>   INFO: [mplex] New sequence commences...
>   INFO: [mplex] Video e0: buf= 183011 frame=000000 sector=00000028
>   INFO: [mplex] Audio bd: buf=  11776 frame=000003 sector=00000003

And when it's finished I find I have 926 output files!!!!
Most of then are 4Kb, a few are 6Kb, the second last is 66Kb
and the last is 4 Gb or so.

The man page for mplex mentions sequence end/start points but only
in the context of VCD/SVCD.

I'd be grateful if anyone could shed light on what it might be in
the source stream which makes mplex behave this way and whether I can
(and should!) prevent it.

jim



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