• AVC (.mp4) (Video-Codec: H.264) (Audio-Codec: AAC)
• max 480×272 Pixel
• max 1500 Kbit/s Video, max 128 Kbit/s Audio

http://de.wikipedia.org/wiki/PlayStation_Portable#Unterst.C3.BCtzte_Dateiformate

mplayer input.mkv -vf cropdetect -sb 50000000

balken etc erkennen

mencoder input.mkv -vf crop=688:432:18:72,scale=720:432,expand=720:576,harddup -nosound -ovc x264 -x264encopts bitrate=1000:threads=2:subq=4:frameref=2:bframes=3:b_adapt:b_pyramid:weight_b:pass=1 -of rawvideo -o movie.x264