This is a little historic of libSDL-mixer on Maemo5.
(SDL is library mostly used for game development. SDL-mixer is library for handling audio on SDL-games).


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Package libsdl-mixer1.2 is part of the base system (officially from Nokia). It's version number is 1.2.6-5+0m5. This package has fault: it can't play ogg/mp3 -files, which makes it very unusable for gaming.

If you install any other version on your phone, mp-fremantle-pr is uninstalled. It is metapackage handling your firmware version, so you won't get notification when Nokia release new firmware (you can still upgrade to it).
I would say uninstalling this package is not big deal.

http://maemo.org/packages/view/libsdl-mixer1.2/
*
Then there are in extras very same source code, but compiled with ogg and mp3 support (and support for mikmod-library for s3m/mod). It's version number is 1.2.6-5+0m5+ogg+mp3. This is more usable for gaming.

Btw: This is one of the famous package to proof that extras quality assurance is not working, because this package is on extras, but installing it will remove older OFFICIAL-package.
(e.g. http://talk.maemo.org/showpost.php?p...&postcount=153)

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This was status before my contribution (or messing).
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I found that there are old issue (bug?) for using SDLmixer+mikmod. It will create zero length 'music.raw' file on current directory, so that directory must be writeable for user (which is not good thing in general).


I gathered some information and seems only hint is "recompile without external mikmod"
http://osdl.sourceforge.net/main/doc...SDL-audio.html
Q: Using an external libmikmod creates music.raw files
A: One solution is to manually rebuild SDL_mixer whilst disabling use of an external libmikmod.

https://forums.gentoo.org/viewtopic-...9-start-0.html
A: Then recompile sdl-mixer [without mikmod].


And here are some tmo posts about 'music.raw':

http://talk.maemo.org/showpost.php?p...0&postcount=67
*There is a pygame issue where it leaves a file called "music.raw" in the directory where it was last run.

http://talk.maemo.org/showpost.php?p...1&postcount=55
*I found out that the "music.raw" file was owned by root

http://talk.maemo.org/showpost.php?p...7&postcount=13
*game creates music.raw (0 bytes) in bin directory, this could have been the reason.

http://talk.maemo.org/showpost.php?p...7&postcount=12
*rm music.raw


Today I pushed libSDL-mixer version 1.2.6-5+0m5+ogg+mp3-2, which is again very same source code, compiled with ogg/mp3 support, but this time with bundled mikmod. Now it doesn't cause any side effects.

*
I have 5 packages on extras/testing/devel using sdl-mixer and additional 5 with bundled mixer (because of useless official version), and I'm now starting to use better SDL-mixer, even it cause users to lose mp-fremantle-*-pr.

Any comments?