I've uploaded a patch for the aifc module (http://bugs.python.org/issue2847). I'm still working on the testsuite. Comments are welcome!
Quentin On Thu, May 29, 2008 at 5:39 PM, Quentin Gallet-Gilles <[EMAIL PROTECTED]> wrote: > > On Thu, May 29, 2008 at 4:56 PM, Lars Immisch <[EMAIL PROTECTED]> wrote: > >> <snip> >> >>> Issue 2847 - the aifc module still imports the cl module in 3.0. >>> Problem is that the cl module is gone. =) So it seems silly to >>> have >>> the imports lying about. This can probably be changed to critical. >>> >>> >>> It shouldn't be a problem to rip everything cl-related out of aifc. >>> The question is how useful aifc will be after that ... >>> >>> >>> Has someone already used that module ? I took a look into it, but I'm a >>> bit confused about the various compression types, case-sensitivity and >>> compatibility issues [1]. Are Apple's "alaw" and SGI's "ALAW" really the >>> same encoding ? Can we use the audioop module for ALAW, just like it's >>> already done for ULAW ? >>> >> >> There is just one alaw I've ever come across (G.711), and the audioop >> implementation could be used (audioop's alaw support is younger than the >> aifc module, BTW) >> >> The capitalisation is confusing, but your document [1] says: "Apple >> Computer's QuickTime player recognize only the Apple compression types. >> Although "ALAW" and "ULAW" contain identical sound samples to the "alaw" and >> "ulaw" formats and were in use long before Apple introduced the new codes, >> QuickTime does not recognize them." >> >> So this seems just a matter of naming in the AIFC, but not a matter of two >> different alaw implementations. >> >> - Lars >> > > Ok, I'll handle this issue. I'll be using the audioop implementation as a > replacement of the SGI compression library. I'll also create a test suite, > as Brett mentioned in the bug tracker the module was missing one. > > Quentin > > >> >> [1] http://www-mmsp.ece.mcgill.ca/Documents/AudioFormats/AIFF/AIFF.html >> > >
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