[MEncoder-users] using Mencoder to encode PSP .MP4 - Can't seem to fathom it out

Nige nkarnold at blueyonder.co.uk
Fri Jan 6 01:11:04 CET 2006

Hi all,

having major difficulties creating a valid PSP (.MP4) file.

As i understand it PSP .MP4 files are MPEG-4 video and AAC audio.
so I compiled Mencoder with libfaac and tried the following, along with alot 
of other combinations.

mencoder-faac.exe dvd://1 -dvd-device "E:\VIDEO_TS" -oac faac -faacopts 
br=64:mpeg=4 -vf scale=320:240 -ovc xvid -xvidencopts bitrate=480 -aid 
128 -ofps 24000/1001 -Chapter 2-2 -forcedsubsonly -srate 24000 -noautosub -o 

QuickTime says its not a valid movie file, the PSP just shows it as 
corrupted data

have no problems with ffmpeg
- ffmpeg -y -i <someinput.file> -title "blabla" -bitexact -vcodec xvid -s 
320x240 -r 29.97 -b 480 -acodec aac -ac 2 -ar 24000 -ab 64 -f psp -muxvb 768 

Any help appreciated

Thanks in advance


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