Linux Command to Convert a Video to PSP’s MP4 Format
Linux command to convert a video file to PSP format using ffmpeg. After converting, copy the OutputFile to the video folder in your PSP.
ffmpeg -i "OriginalFile.avi" -f psp -r 29.97 -b 768k -ar 24000 -ab 64k -s 320x240 "OutputFile.mp4"