[UPDATE] Desktop Linux users rejoice! I've created a new step-by-step tutorial about converting video for the PSP with MPEG-4 AVC (also known as h264) using the graphical tool Avidemux. Check it out!
[UPDATE 2 - 08/10/2008] Updated this tutorial with the latest PSP restrictions, and updated the commands to work with the latest version of ffmpeg.
It took me a while to figure out (read: have time to investigate) how to convert any movie into a format that works on the PSP, on Linux, but I finally got it to work. First of all, if you're using Ubuntu (like me), you need to recompile ffmpeg with FAAC and FAAD support. You can find a great guide for this here: http://po-ru.com/diary/up-to-date-ffmpeg-on-ubuntu-hardy/
After recompiling ffmpeg, it basicly comes down to this: The PSP firmware has a set of restrictions for MPEG-4 files. If an MPEG-4 file doesn't conform to these restrictions, the PSP simply won't recognize the file.
These are the restrictions:
- The format must be 'psp'
- Width and height must be a multiple of 16
Width*height can't be more than 76800.
- The video codec must be mpeg4
- The audio codec must be aac
Framerate must be 30000/1001 (~29,97 fps) or 15000/1001 (~14,985 fps)
- The audio rate must be 24kHz
The native resolution of the PSP's display is 480x272, however, if your video isn't in 16:9 aspect ratio, but in 4:3, I recommend you use 320x240. If you plan on playing your video on a TV set, I recommend you use 720x480, no matter what aspect it is in.
Here's two example ffmpeg commands for two-pass encoding:
ffmpeg -i <inputfile> -title "<title>" -vcodec mpeg4 -acodec libfaac -b 672k -ab 96k -ar 24000 -s 480x272 -aspect 16:9 -g 300 -aic 2 -mbd 2 -cmp 3 -precmp 3 -subcmp 3 -trellis 2 -flags +4mv+trell -pass 1 -f psp Video.mp4
ffmpeg -i <inputfile> -title "<title>" -vcodec mpeg4 -acodec libfaac -b 672k -ab 96k -ar 24000 -s 480x272 -aspect 16:9 -g 300 -aic 2 -mbd 2 -cmp 3 -precmp 3 -subcmp 3 -trellis 2 -flags +4mv+trell -pass 2 -f psp Video.mp4
The meaning of the options:
-acodec <audio codec>
-ab <audio bitrate>
-ar <audio rate>
-vcodec <video codec>
-b <video bitrate>
-aspect <aspect ratio>
All the other flags are options to optimize the video quality, at the expense of encoding speed.
New versions of ffmpeg have changed the -b argument. See this post for details.
Thank you for this blog entry - I wouldn't have been able to encode a useable MP4 without it.
Thanks for the tip, I changed the post to reflect these changes. :-)
You can also encode PSP files directly with mencoder, in both h264 and mpeg4 formats. Have a look at my site at http://videogeek.com for some good command lines.
thanks for the tip!
Didn't work for me. (What else is new?) The video encodes but won't play on PSP.
Ditto to HyperHacker's post. I can successfully encode, but the PSP give's me the "Unsupported Data" message.
If I select the video, and hit the "Information" link, the PSP apparently knows that the proper video size, length, resolution, video codec (MPEG-4 -kbps), audio codec (AAC -kbps) and sampling frequency (24.000kHz). Maybe you must specify the kbps i video & audio encoding... I'll play around more.
Does anyone know if there is a way to import converted songs (with the app MP3 Converter - Free Mp3 Video Converter' to my phone? In fact, there is a button when you click on the converted song into mp3 format easily: Look on: mp3 video converter
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