On 2/28/06, Mike Myers <fluffymikey@...> wrote:
> Opening audio decoder: [pcm] Uncompressed PCM audio decoder
> AUDIO: 8000 Hz, 1 ch, s16le, 128.0 kbit/100.00% (ratio: 16000->16000)
> Selected audio codec: [pcm] afm: pcm (Uncompressed PCM)
> ==========================================================================
> [AO OSS] audio_setup: Can't open audio device /dev/dsp: Device or
> resource busy
> alsa-init: 1 soundcard found, using: default
> alsa: 8000 Hz/1 channels/2 bpf/5460 bytes buffer/Signed 16 bit Little Endian
> AO: [alsa] 8000Hz 1ch s16le (2 bytes per sample)

What version of alsa-lib do you have, and do you use the in-kernel
alsa drivers or the alsa-driver package?  Which version?

Does anything change if you do "mplayer -ao alsa file.wav"?

The above "resource busy" error indicates that something is using the
legacy OSS interface.  IIRC, older versions of alsa could not share
this interface, and in fact would prevent other applications from
using the sound card at all if something was using this interface.

Maybe try an "lsof /dev/dsp" to see what is using the old OSS interface...

-Richard

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