[LAD] ALSA FLoat sample format

[Predrag Viceic]

Hi,


For some unknown reason, I seem to be unable to set SND_PCM_FORMAT_FLOAT 
format flag when initialising alsa driver. This happens with my both cards 
(on is the laptops AC'97 Audio Controller and the other a similar onboard 
cart)

This line used to work with alsa 0.9 but return an "Invalid argument" error 
with alsa 1.0.14a :

snd_pcm_hw_params_set_format(alsa_pcm_handle, alsa_hwparams, 
SND_PCM_FORMAT_FLOAT_LE)

If I remove this line, the driver gets initialised but as integer sample 
format, which, of course, generates noise as I'm sending 32bit floats to the 
output...

Example code at lines 1031-1041 :
http://cvs.savannah.nongnu.org/viewvc/freecycle/src/soundplayer.cpp?annotate=1.19&root=freecycle


Please, please help !


Predrag

http://freecycle.redsteamrecords.com