And what about joining the encoded elementary streams _before_ multiplexing?Is it not possible to simply combine multiple VBR MPEG1 files into 1 large MPEG1 file?
In theory yes, in general no.
Each VCD file looks something like this:
<intro><mpegvideo><ending>
so when you join multiple files together you end up with:
<intro><video><ending><intro><video><ending> ...
ALSO keep in mind that the "clocks"/"times" start over from 0 for each file.
To join multiple files together the timestamp/clock would have to
be recalculated and the run-in, run-out sequences removed except from
the very beginning and the final ending.
Obviously my assumption is that mpeg2enc emits elementary streams, which contain no timestamps (please correct me if I'm wrong - I'm just learning MPEG).
That would allow for independent per-chapter quality settings as requested, yet allow for multiplexing a single, seamless program stream.
Regards, Andras Kadinger
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