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- by Omochao at 4:33 AM EST on December 5, 2006
- Hope you can get them working soon!
- by Jackano at 5:56 AM EST on December 5, 2006
- Thanks HCS!
- by jurassicPieter at 5:12 AM EST on December 6, 2006
- Isn't this the same ast file format as used by the 2 ambient sound streams in Donkey Kong Jungle Beat? If I remember correctly there were 2 ast files that contained ambient sounds(by looking at the size and filename) and they were not even close compared to the mario kart double dash ast which was very much PCM.
edited 5:54 AM EST December 6, 2006
- by hcs at 5:41 AM EST on December 6, 2006
- Possibly, I don't remember and I don't have the files on hand.
- by jurassicPieter at 10:02 AM EST on December 6, 2006
- I just looked and yes Donkey Kong Junglebeat mainly uses sequenced music(unpacking arc files results in cit and bms files) but there are 2 streams called dkjb_sea_ambience.ast and dkjb_thema.ast
They seem to show a same file structure and can not be played either.
http://www.megaupload.com/nl/?d=109RCN2K if you're interested, but twilight princess is more interesting(i still need to wait till friday before i can hear it myself though:P)
edited 10:09 AM EST December 6, 2006
- by hcs at 11:30 AM EST on December 8, 2006
- For anyone who hasn't been around #usf the past... week: I've run through a few theories about how to decode (or how to find out how to decode) the TP streams, to no success yet. At the moment I'm working through disassembly of code that actually runs on the DSP (dumped via gcemu), hopefully this should show me how to decode these streams. Slow going, though, as the DSP is far from fully understood and what is understood can be really freaking complicated.
- by hcs at 5:10 PM EST on December 9, 2006
- Update: I think I have found the ADPCM decoding function (0x07eb in WW, 0x08d8 in TP), the trouble now is that I still can't get the decode table from this. It is located at 0x0300, 32 words as expected, but nothing in the DSP code initializes it, so it must be DMA'd in. I know enough to parse the related audio list commands, so I'm going to see if I can hack an emulator into telling me what's written to 0x0300.
- by hcs at 7:52 PM EST on December 9, 2006
- in_cube 0.21 now up, which plays the AST files from Twilight Princess (but you must rename them AFC). AFC files from Wind Waker also work.
edited 7:53 PM EST December 9, 2006
- latest irc feed by unknownfile at 8:24 PM EST on December 9, 2006
- (20:21:18) hcs: hmm, there is an incomplete file in this rip
(20:22:17) hcs: kyakumachi.afc is truncated, in_cube thus refuses to play it
(20:22:34) UNKNOWNFILE: bah for abbreviation!
(20:22:36) hcs: it is a plugin of principle
(20:23:19) hcs: I shall see if the truncation exists also in the rip I have
- fast file renaming by jurassicPieter at 9:04 AM EST on December 10, 2006
- is there a fast way to rename all these files? Since I seem to want to do that more often
i know of this with command line:
for %i in (*.ast) do move "%i" "%i.afc"
but this changes in files with demo.ast.afc
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