It is similar in nature to Universal Media Server but specifically designed for the PlayStation 3 entertainment system.
PS3 Media Server 1.53.0 Changelog:
Fix global custom MEncoder options
Re-fix NPE when toggling HTTP Engine V2
Fix startup for symlinked PMS.sh (#1356) (thanks, Matthijs!)
Added documentation to PMS.conf (thanks, Hagar!)
Updated JNA to support multiarch directories on Linux (#1152)
Added option to select and force the default renderer
Fixed Samsung 2012 TVs timeout (thanks, troop!)
Added support for D-link DSM-510 (thanks, glenrocks!)
Updated MPlayer build script to SB32
Fix "value too long" SQL exceptions
If renderer has not specified a maximum height/width, default to 1920x1080
Initial fix for Samsung 2012 TVs (thanks, troop!)
Linux: load system-wide defaults from /etc/skel if user's profile not found
Added recognition for AcePlayer app (thanks, md.versi!)
Fix parsing of [real] in plist preventing iPhoto libraries from working
Added Plugin development guide (thanks, glebb)
Language updates: added Arabic, added Hebrew (thanks, zvi-yamin!), CZE translation update (thanks, valib) Layout support for right-to-left languages added
Stay tuned for more PS3 Hacks and PS3 CFW news, follow us on Twitter and be sure to drop by the PS3 Hacks and PS3 Custom Firmware Forums for the latest PlayStation 3 scene updates and homebrew releases!
To quote from SubJunk on the PlayStation 3 Media Server v1.50.1 Build 61 changes:
This build functions as the bleeding-edge testing version of PMS. Here you can find features and bugfixes before they are added to the official version, and sometimes ones that never will be. Using this build is mostly a way for you to see the newest developments and to help us by providing feedback.
Changelog 1.50.1 Build 61:
Switched from using Git source back to SVN
Synchronised with official r1024 from r1014
Updated MediaInfo for Windows and OS X to 0.7.53 from 0.7.52
Updated MPlayer and MEncoder for OSX to SB22, in sync with the Windows version.
Updated MPlayer and MEncoder to SB22 (Changelog: MPlayer & MEncoder SB22 released Spirton)
Updated MPlayer and MEncoder for OSX to SB21, in sync with the Windows version.
Updated MPlayer and MEncoder to SB21 (Changelog: MPlayer & MEncoder SB21 released Spirton)
Updated MPlayer and MEncoder for OSX to SB20 (Changelog: MPlayer & MEncoder SB20 released Spirton)
Updated FFmpeg for OSX to 0.9.1
Updated FFmpeg to r35509 from r31564
Try to fix tsMuxeR with newer FFmpeg versions based on FFmpeg #898 comment (ffmpeg.org/trac/ffmpeg/ticket/898)
Updated to latest versions of libraries (codec, jdom, logback and slf4j)
Shagrath for the main project.
Chocolateboy, lokkju, jscott, ExSport and idavies, in no particular order, for code contributions.
DPT, jpagie, mads and mazey for private testing.
Tianuchka for help with translations.
The dozens of users who provide feedback in order to let me know what needs to be improved.