[MPlayer-users] Problems with NTSC - summary
Dominik Szczerba
domi at vision.ee.ethz.ch
Thu Nov 7 23:24:02 CET 2002
Hi,
Thank you all who submitted hints on this. This is what I finally ended
up with:
- some NTSC dvds wont play/rip on some DVD drives while they will
play/rip on others. I tried a few NTSC 29.97 fps movies on a few computers.
- those, who rip/play correctly: I specify a (suggested by 1st pass
encoding or calculated myelf) bitrate, but it is wrongly passed to
encoder. I need to myltiply the desired bitrate by ~1.2 ( I guess that's
from 25/29.97, no?) to get proper file length (and bitrate used). So I
have to say br=1200 if I want br=1000 and a filesize coresponding to 1000.
- all above problems dont apply to PAL dvds (tested some 10 or so)
So I am glad, but also very tired. Some resolutions I used, you may find
it handy, they are all multiple of 16:
640 x 480 1.33:1
640 x 272 2.35:1
640 x 336 1.90:1
640 x 368 1.74:1
I also developed some simple scripts that facilitate ripping,
sound+subtitles and passes for libavc, if you are interested I could
publish them.
thanks to all who helped
DS
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