On 28-Mar-2003 Paul Davis wrote: >>>one channel only. >>>[...] >> >>...but, if you are doing mono playback, your sound driver has to setup >>your soundcard to playback on both channels the same mono channel. The >>Vortex >>driver (still not in the main branch) for example splits the mono signal >>on its internal >>mixer into 2 identical signals which are feed one into each CODEC channels. > > that's a driver author's design decision. if the "hw" PCM device is > opened with a single channel, it would be equally valid to play on one > channel only. if the h/w can't handle that, it should not > advertise itself to be capable of mono operation. IMHO.
I choosed to send the sound to one channel only, so the apps can use all 8 mono channels. Since most cards can do mono to stereo in hardware, I would be nice to add a capability flag for that. Using that features you halve memory usage for buffers and irq frequency. Bye. ------------------------------------------------------- This SF.net email is sponsored by: The Definitive IT and Networking Event. Be There! NetWorld+Interop Las Vegas 2003 -- Register today! http://ads.sourceforge.net/cgi-bin/redirect.pl?keyn0001en _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel