Playing ULAW sample correctly?

Eric Pouech eric.pouech at
Mon Oct 19 14:41:12 CDT 2009

Joerg-Cyril.Hoehle at a écrit :
> Hi,
> Using the MCI, I've successfully played an ADPCM sample from Wikipedia, except
> at the very end of IMA ADPCM play:
> fixme:wavemap:wodWrite Not all src buffer has been written, expect bogus sound
> After play status length increased from 13813 to 13826! How comes?
> However, playing an ULAW sample, the same message occurs constantly (apparently
> once for each wavehdr played) and the sound is awfully chopped. The error could
> be anywhere (MCI, WAVE_MAPPER, gsm711 ACM, waveaudio ...).
> Are there audio tests in Wine beside winmm/wave.c?
> How is ulaw / how are the msacm/gsm711/gsm722/gsm602 tested?
> Does anybody know whether ULAW works in Wine? (Any app that uses it outside of MCI?)
> Thanks,
>  Jörg Höhle
IIRC, I never tested µ-law wave file, so it may well be that the ACM 
converter is broken

Eric Pouech
"The problem with designing something completely foolproof is to underestimate the ingenuity of a complete idiot." (Douglas Adams)

More information about the wine-devel mailing list