Paul Davis wrote: > > >> You don't need to do this. Use the 'plughw' device which should do all > >> conversions from you. > > > >I am a little confused about your advice. I am not sure how to access > >the 'plughw' device from my application. > > snd_pcm_open (&handle, "plughw:N,M", ...) > > where N and M are the card number and subdevice number. Preferably, > this is a string supplied by the user, not hard coded into the application. > > >I am not sure of how I should be setting up my PCM devices. How do I > >tell them to convert, say, 8kHz audio data to 44.1kHz audio data so my > >hardware can play it at the correct speed? > > just as in the few token API examples. using > snd_pcm_hw_params_*(). there is no difference setting the parameters > no matter what "type" of PCM device you are using.
If use the virtual plughw:0,0 device and set the rate to 8kHz, at what rate is my actual hardware device set to? Where are these settings made and how are they decided? Do I need to, or is it possible to, tell my soundcard to operate at 44.1kHz? Kris Modrak ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel
