Aide sur ffmpeg

ffmpeg  -i input.ogg -ar 22050 -ab 56 -aspect 4:3 -b 200 -r 12 -f flv -s 320x240 -acodec mp3 -ac 1 output.flv

Sans audio mpeg2

ffmpeg  -i input.ogg -an -aspect 4:3 -b 200 -r 15 -s 320x240 -target pal-dvd output.mpg

Conversion en flash

ffmpeg  -i input.ogg output.swf

Options importantes:

-an : no audio
-target: pal-dvd
-b: bitrate video
-s: resolution
-aspect: aspect
-f: codec