On Thu, 28 Oct 2004, Steven M. Schultz wrote:
The other thing to look at is the output of 'mplex'. Mplex prints out the "Average" and "Peak" rates. You can get those numbers fairly quickly by specifying "-o /dev/null" to mplex:
mplex -f 8 -o /dev/null input.m2v
I have taken a look at the reported peak rate, and I was very surprised to see that I could not push the peak rate over 5500 KBit. Only when I specified -b 9000 -q 1 the output looked acceptable. Still, the peak bitrate was well below 6000 KBit. I guess I managed to feed it some really insane animation again.. :) It was a slowly moving checkers pattern. The squares are about 100x100 pixels large, both brightness and color differences between the 'black' and 'white' squares are very small. Judging from the peak bitrate, the animation wasn't hard to compress, but I did need to push mpeg2enc really hard to make the best of it.
Oh well..
:)
Cheers!
Dik
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