On Jun 19, 2009, at 9:55 AM, Rick Prokup wrote:

Hi there, Brian. I installed your compiled package on my aging mac mini (1.25ghz G4, OSX 10.4.11). Mixxx loads up just fine, and I wanted to run it through the gauntlet so I added a rather large music collection (~160Gb). It took an eternity to scan the music collection, but that is to be expected on an older G4 cpu, I think.

I selected a few tracks and played them and everything went well, although the interface stopped rendering waveforms after the 2nd track had been loaded into a deck. I played around with things for a little while, then I added my scs.3d to the fray. The midi mapping worked flawlessly, and all was well as far as controls go. I did, however, run into some problems in use: whenever I switched virtual decks on the scs.3d, I got an audible stutter in music output. I am quite certain that this is because mixxx was running on a 1.25ghz G4 with 1Gb of ram, though.


I don't know, the ppc code may just not be getting the kind of optimizations that it should. Libmad for one has a lot of asm optimizations but I had to disable them to build it universally. I have a note in my TODO for the build script to look at building the ppc and i386 versions separately with the asm and then lipo'ing them together instead of trying to build it in one pass. If I end up getting that to work, I'll let you know so you can test it.



Other things that I tested were the flanger effect and support for ALAC music (.m4a files). The flanger worked perfectly and it's really nice to be able to tweak the parameters with the scs.3d. Loads of fun. Apple Lossless music was a no-go, however. Unfortunately, this meant that 99% of the music collection on the host I was unuseable.


I'll upload a version with m4a support as soon as I get it working. I'm having some issues with libmp4 and libfaad2.



I did play around more at this point with leaving the app running for long periods of time. Mixxx survived being left running for about two hours and was still responsive (and by that point, the waveform displays had been written to the screen). Mixxx did not survive being left running overnight, however. I will have to repeat these tests when launching mixxx from a shell so that I can see what messages get written to stdout.

All in all, it works as well as you could hope for. Honestly, I'd say most of the "issues" I ran into are because of the speed of the box that I was using to run mixxx.


When I get a m4a version uploaded, it might be interesting to see how mixxx reacts when you use m4a tracks as opposed to mp3 tracks.



Please let me know if there are any specific tests that you would like me to try on my mac mini, and thanks for the build!


I didn't have anything specific to test, just general workingness. Let me know if you find any other issues as you use/test it more.



-Rick


On Wed, Jun 17, 2009 at 3:19 PM, Brian Jackson <[email protected]> wrote:
I've built a universal copy of Mixxx 1.7.0-beta1. I'd appreciate if
anyone with a PowerPC Mac could test this to see if it runs for them.
You shouldn't need any other libs or anything to get this going.

http://theiggy.com/tmp/Mixxx.zip
(it's about 26MB)

If my script worked, I can probably massage it to build 1.6.1 builds
too.

--Iggy

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