If you haven't been keeping up to date with what's new for multiMAN (mmCM) the Multifunctional Tool for your PS3 then you will be impressed with the tremendous work the deank and the Cobra Team have done lately.A Just the other day they introduced 3D Playback Support and today they come with even more improvements and some new control.
But before you get too excited and jump the gun make sure you are first on the latest base/full version 04.02.00.
"04.02.04 - (Stereo 3D related)
Fixed rare issue when launching video files from NTFS and /net_host (when file is >2GB and there is no space on /dev_hdd1)
Added support for playing video files (including AVI3D) from NTFS drives and remote /net_host servers
Returning from Stereo Player will fall back to standard 2D mode
Stereo files (avi3d) in 1920x1080 resolution are treated as SBS 960x1080 per eye (default)
Audio output uses Dolby Digital if available (for 5.1 AC3 audio)
[START] - Pause / Resume
[RIGHT / LEFT] - Skip 120 sec forward/rewind
[DOWN / UP] - Skip 10% forward/rewind
[SELECT] - Toggle 4x fast-forward / normal playback
[R3] - Toggles SBS and TB/OU modes if autodetection fails
[CIRCLE] - Return to mM
[TRIANGLE] - Exit to XMB
[L1/R1/L2/R2] - Change L/R-eye color bias in anaglyph display mode"