Hi, Here is the debug log I get when i try to create instance of audio hardware device.

ALSAMixer:167 intializing AndroidOut Mixer!!! ALSALib external/alsa-lib/src/control/control.c:902:(snd_ctl_open_noupdate) Invalid CTL AndroidOut initMixer:110 Unable to attach mixer to device: No such file or directory ALSAMixer:169 intializing AndroidIn Mixer!!! ALSALib external/alsa-lib/src/control/control.c:902:(snd_ctl_open_noupdate) Invalid CTL AndroidIn initMixer:110 Unable to attach mixer to device: No such file or directory Mixer: master 'PCM' not found. Mixer: route 'Earpiece' not found. Mixer: route 'Speaker' not found. Mixer: route 'Headphone' not found. Mixer: route 'Bluetooth' not found. Mixer: route 'Bluetooth A2DP' not found. Mixer: master 'Capture' not found. Mixer: route 'Capture' not found. Mixer: route '' not found. Mixer: route 'Capture' not found. Mixer: route 'Bluetooth Capture' not found. Mixer: route 'Bluetooth A2DP Capture' not found. mixer initialized. openOutputStream called for devices: 0x00000001 ALSALib external/alsa-lib/src/pcm/pcm.c:2210:(snd_pcm_open_noupdate) Unknown PCM AndroidCapture openOutputStream called for devices: 0x00000001 ALSALib external/alsa-lib/src/pcm/pcm.c:2210:(snd_pcm_open_noupdate) Unknown PCM AndroidPlayback_Earpiece_incall ALSALib external/alsa-lib/src/pcm/pcm.c:2210:(snd_pcm_open_noupdate) Unknown PCM AndroidPlayback_Earpiece ALSALib external/alsa-lib/src/pcm/pcm.c:2210:(snd_pcm_open_noupdate) Unknown PCM AndroidPlayback

Where are AndroidOut and AndroidIn created? what is the possible reason for failure above?

Kuldeep

On Sun, Feb 13, 2011 at 10:33 PM, kuldeep ghan ghankp@gmail.com wrote:

I am trying to get audio working with android kernel. I am able to play wav files with alsa_aplay but when I try to open Output or Input stream using libadio Its failing.

Can anyone help me with this? what could be wrong?