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XMA format cracked! (not my work)

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Posted 21 April 2009 - 01:20 PM

Hi,I just wanted to tell you something simple.. which might be interesting to some of you.XMA .. Xbox media audio.. Cracked! http://www.ctpax-x.r...o=files&show=24Download towav on that russian webpage and you get a command line tool to convert the files to wave.. looping points are lost but certainly a start.. hcs who wrote in_cube for Winamp (and now does in_vgmstream) is already porting over the code so that in_vgmstream will get XMA compatibility.Note: I have just tested this on Sonic Next XMAs.. and I may say: it worked flawlessly! All files were decoded!However: there are two XMA formats.. one is called XMA2 though noone really knows what it is because XMA2 was brought to existence but XMA (1) is still used.. so it's maybe just a different form of XMA..Sonic Next uses XMA1, I read that it cannot decode XMA2 I just didn't have the time to test that yet. (I admittedly just tested on that game as it's the only one I have unpacked on my hd and I have played around with this tool for like 1 hour!Not sure too much whether this is post worthy.. but well.. as XMA1 is down.. I guess, XMA2 is not far away!So Microsoft: you finally lost! It was about time :)

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Posted 21 April 2009 - 04:13 PM

Knowing Microsoft, XMA2 is probably what they planned XMA1 to be but fucked up XMA1. It's the usual way Microsoft works. See: WMA.

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Posted 21 April 2009 - 04:33 PM

Sweet, one of the games I was playing with used this...now if I could only remember which one it was.

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Posted 21 April 2009 - 04:59 PM

View PostSSUK, on Apr 21 2009, 11:13 PM, said:

Knowing Microsoft, XMA2 is probably what they planned XMA1 to be but fucked up XMA1. It's the usual way Microsoft works. See: WMA.
I already checked some XMA2 files - indeed they cannot be converted.. however, I think it's something else. XMA is a modified WMA Pro.. and WMA can contain title information such as MP3 with id3 tags.. when I checked the header of an XMA2 the seeking index was removed (so games probably cannot seek them except for the looping point) and those title informations seem gone.. so it's kinda a cleaned up XMA1 where unneeded WMA junk which is not useful for gaming environments has been removed. Not sure if the actual audio decoding routines have changed though!So well: wall of text - you're right! XMA2 might be what XMA1 should have been but they didn't make it in time and thus XMA1 has unneeded WMA rests!

#5 User is offline   Zeck

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Posted 21 April 2009 - 10:06 PM

So does this mean better gamerips of game music? Where can i find .xma rips so i can try this out?....

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Posted 22 April 2009 - 01:54 AM

View PostZeck, on Apr 22 2009, 05:06 AM, said:

So does this mean better gamerips of game music? Where can i find .xma rips so i can try this out?....
XMA is THE(!) native Xbox 360 audio format (it has decoded by a special SPU in the system so the CPU use is minimal despite its high compression).. so many Xbox 360 ISOs use it, you might simply check out.. many developers still use non XMA (those have to be CPU decoded then) formats. Unfortunately there is no real way to tell before if a game uses XMA or not. Simple .xma files are hard to find as they were totally worthless until Friday last week - this might change now!

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Posted 22 April 2009 - 06:02 PM

Awesome news. :)

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