Am 21.01.2009, 22:04 Uhr, schrieb Albretch Mueller <lbrtchx@xxxxxxxxx>: > ~ > I have a large (approx. 3.4Gb) mpeg2 video file that a friend produced > ~ > ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ > ~ > sh-3.1# ls -l origfl00.mpg > -rwxr-xr-x 1 root root 3702380928 Jan 12 07:21 origfl00.mpg > ~ > sh-3.1# ffmpeg -i origfl00.mpg > FFmpeg version SVN-rUNKNOWN, Copyright (c) 2000-2004 Fabrice Bellard > configuration: --enable-gpl --enable-pp --enable-pthreads > --enable-vorbis --enable-libogg --enable-a52 --enable-dts > --enable-libgsm --enable-dc1394 --disable-debug --enable-shared > --prefix=/usr > libavutil version: 0d.49.0.0 > libavcodec version: 0d.51.11.0 > libavformat version: 0d.50.5.0 > built on Sep 25 2006 13:00:42, gcc: 4.1.2 20060901 (prerelease) > (Debian 4.1.1-13) > Input #0, mpegts, from 'origfl00.mpg': > Duration: 01:31:36.4, start: 57910.192056, bitrate: 5388 kb/s > Stream #0.0[0x191]: Video: mpeg2video, yuv420p, 720x576, 15000 kb/s, > 25.00 fps(r) > Stream #0.1[0x192](ger): Audio: mp2, 48000 Hz, stereo, 192 kb/s > Stream #0.2[0x193](fra): Audio: mp2, 48000 Hz, stereo, 192 kb/s > Must supply at least one output file > ~ > ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ > ~ > which size I would like to reduce > ~ > I have never done that before and I don't seem to be able to find out > how you do that on line. I did search mplayer messages, using , via: > ~ > http://archives.free.net.ph/ > ~ > but I didn't get much out of it. I also posted a similar message at: > rec.video.desktop "trying to reduce an mpg file's size ..." > ~ > How can you reduce this file's size? > ~ > I think the only options you have are, reducing: > ~ > 1) the actual size of the media file, editing the file and leaving > only the parts that are necessary > ~ > 2) the size of the view window, so less pixels are included in each > image (even though, due to compression, the size reduction won't > certainly be linearly proportional) > ~ > 3) the number of frames shown per second > ~ > 4) its resolution, even if its quality will be decreased > ~ > After reducing the size of the file I will have to split it smaller, > topical ones. > ~ > Is this possible or what is possible using mplayer? > ~ > Which other tools will I need? > ~ > What would you suggest? > ~ > Thanks > lbrtchx > _______________________________________________ I would suggest you read a bit about video compression, like here http://en.wikipedia.org/wiki/Video_compression As soon as you know what this means you can simply reduce the bitrate to 1-2 MBit/s, by using advanced codecs like x264 even lower. Greets, Kiste _______________________________________________ MPlayer-users mailing list MPlayer-users@xxxxxxxxxxxx https://lists.mplayerhq.hu/mailman/listinfo/mplayer-users
