Ok after changing permissions on the device files I get the following: cat testpcm1.wav > /dev/snd/pcmC0D0p cat: write error: File descriptor in bad state aplay still works... -Brooke > -----Original Message----- > From: Wallace, Brooke > Sent: Wednesday, August 01, 2007 3:07 PM > To: alsa-user@xxxxxxxxxxxxxxxxxxxxx > Subject: Sending data to alsa drivers directly > > > Can someone explain to me why I cant just send data directory > the the ALSA devices? Are they not character devices? > > % sudo cat testpcm1.wav > /dev/snd/pcmC0D0p > /dev/snd/pcmC0D0p: Permission denied > > Aplay works fine on this file. So what is aplay doing other > than just sending the file data to the device? > > Please forgive my ignorance, but I'm new to this and there is > not a lot of intro documentation. I've seen that with simple > char devices you can just read and write directly to the > driver... So I'm trying to understand why this does not work > with ALSA drivers. > > -Brooke ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
