>>snd_pcm_new() has two parameters for the number of substreams >>for playback and capture. > > its a language problem. its not the number of substreams as in "the > quantity of substreams". rather, it means "the ID of the substream". > >> Yes, but what does it mean ? If I >>have N playback substreams, can I service N applications that >>use one stream ? Can channels be allocated on demand, to allow >>the user to use 4 xmms or 1 xmms and a dvd player (5.1) at the >>same time ? :)) > > this depends on (1) whether the underlying hardware supports it and > (2) whether you use a "dmix" PCM device rather than a "hw" PCM > device. the "hw" PCM device only offers the capabilities of the > hardware, nothing more.
The hardware supports it: it provides 16 indipendent scatter-gather lists and each stream has its own sample rate and format. Dmix mixes several streams into one. It's not what I would like do to. 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
