[alsa-devel] snd_pcm_writei BLOCKED

[Clemens Ladisch]

Irfan Shaikh wrote:
> I have created two threads
> 
> 1)Thread 1 :  reads audio data from USB audio class hw:1,0   (Capture device : open in BLOCKING Mode )
> 2)Thread2 : writes audio data to playback device hw:0,0         (Playback device : open in BLOCKING Mode )
> 
> First snd_pcm_writei() is succesfull in Thread 2
> Thread2 gets stuck/blocked in second snd_pcm_writei() and does not returns.

Is the second device in the running state?

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Regards,
Clemens