ffmpeg -i /home/carmio/httpd/videos/marko-845-incar.wmv -f flv -s 320x240 -acodec mp3 /home/carmio/httpd/test.flv FFmpeg version SVN-r6001, Copyright (c) 2000-2004 Fabrice Bellard configuration: --enable-shared --enable-mp3lame --enable-gpl --enable-faac --enable-faad --enable-a52 libavutil version: 49.0.0 libavcodec version: 51.11.0 libavformat version: 50.5.0 built on Aug 15 2006 15:48:22, gcc: 4.0.4 20060507 (prerelease) (Debian 4.0.3-3) Seems that stream 1 comes from film source: 1000.00 (1000/1) -> 29.97 (30000/1001) Input #0, asf, from '/home/carmio/httpd/videos/marko-845-incar.wmv': Duration: 00:00:29.7, start: 4.000000, bitrate: 529 kb/s Stream #0.0: Audio: wmav2, 44100 Hz, stereo, 64 kb/s Stream #0.1: Video: WMV3 / 0x33564D57, 320x240, 29.97 fps(r) File '/home/carmio/httpd/test.flv' already exists. Overwrite ? [y/N] y Output #0, flv, to '/home/carmio/httpd/test.flv': Stream #0.0: Video: flv, yuv420p, 320x240, q=2-31, 200 kb/s, 29.97 fps(c) Stream #0.1: Audio: mp3, 44100 Hz, stereo, 64 kb/s Stream mapping: Stream #0.1 -> #0.0 Stream #0.0 -> #0.1 Unsupported codec (id=74) for input stream #0.1 carmio:~/ffmpeg_august/ffmpeg#