PMFconvert

Decoding, hardsubbing and encoding video and audio from PSP PMF files

Required tools: PSP Video-Extractor Converter OR mplayer/mencoder, [Celestial Being] AT3 Converter, Aegisub, VirtualDub, UMD Tools, XviD4PSP

Extract video
1) Open PSP Video-Extractor Converter
2) Select PMF Video
3) Save as AVI

Secondary option (more reliable, requires mplayer and mencoder in working folder or PATH environment variable)
1) Open cmd in the folder and run the following commands in succession
2) mplayer 'filename'.pmf -dumpvideo
3) mencoder.exe stream.dump -ovc raw -noskip -ofps 29.97 -o 'filename'.avi

Extract audio (requires PSP)
4) Copy [Celestial Being] AT3 Converter to ms0:/PSP/GAME
5) Copy original PMF to ms0:/PSP/VIDEO
6) Run PMF/AT3 Converter in PSP under Games
7) Select Video Files
8) Select the PMF file
9) Press SQUARE to convert
10) Copy the converted .wav from PSP/VIDEO to the working folder

Hardsubbing the video
Optional: Aegisub may not recognize the video, so first load up VirtualDub and open the .avi and Save it as AVI with a different name.
11) Load .avi and .wav to Aegisub and do the subs
12) Edit .avs file to contain the intended .ass and .avi (the one not used in Aegisub)
13) Run VirtualDub and open the .avs file
14) File -> Save as AVI

Encoding the video
15) Open UMDStreamComposer
16) Create new project with Clip size 1MB and PSP Video format
17) Select Video Source and Audio Source with the respective files
18) Run -> Encode + Multiplex
19) Go to My Documents -> UmdStreamComposer -> MuxWork -> 'project name' -> 00001
20) Copy the .mps file to MPSTOPMF and run 'Gameboot Converter.bat'

Hardsubbed PMF video is now complete!
To test the outcome, copy it to ms0:/PSP/VIDEO and launch the AT3 Converter again, press CIRCLE to play