| Re: [AD] [linux] ALSA detection can hang |
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On 2002-02-11, Martijn Versteegh <m.versteegh@xxxxxxxxxx> wrote:
>
> I noticed the digital-sound autodetection code for ALSA hangs when
> the pcm device is busy, for example when another program is using it.
> I could trace it back to
> src/unix/alsa.c:173 :
>
> if (snd_pcm_open(&handle, card, device, SND_PCM_OPEN_PLAYBACK) == 0)
Oops, sorry about that. If you look a bit further down, there's a
similar call, but with a non-block flag.
Try (SND_PCM_OPEN_PLAYBACK | SND_PCM_OPEN_NONBLOCK) and tell me how
it goes.