On Sun, May 17, 2009 at 7:36 PM, Harald Schilly <harald.schi...@gmail.com> wrote: > > > > On May 17, 9:30 pm, Jaap Spies <j.sp...@hccnet.nl> wrote: >> >> Even compressed the screens are legible! >> > > i have nearly no experience with mencoder, i think the quality could > be improved by tweaking some parameters. e.g. reducing the number of > frames per second. maybe someone has better ideas? not moving the > camera is also a plus, since compression works better if the > differences between the frames are minimal.
Perhaps the following sample mencoder script can help: mencoder -oac lavc -ovc lavc -of mpeg -mpegopts format=xsvcd -vf scale=352:240,\ harddup -srate 44100 -af lavcresample=44100 -lavcopts vcodec=mpeg1video:\ mbd=2:keyint=18:vrc_buf_size=917:vrc_minrate=600:vbitrate=2500:vrc_maxrate=2500:\ acodec=mp2:abitrate=224 -ofps 30000/1001 \ -o movie.mpg movie.mpg It's for encoding NTSC SVCD at 352 by 240 using MPEG 2 video. I often use the above script for transcoding my own DVD movies to something smaller in terms of MB. -- Regards Minh Van Nguyen --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
