I've this application that return a wav file, it is something like this:
# ./my_application <audio_number> <audio_file_wav>
Then I can get the audio that this application creates and play with:
# aplay -D plughw:1,0 test.wav
And it works.
But, what I want is to send this audio directly to device node, or something like this:
# ./my_application <audio_number> /dev/snd/pcmC1D0p
But I get the following error:
cat: write error: File descriptor in bad state
It is the same as if I try to cat a file to the device with:
# cat test.wav > /dev/snd/pcmC1D0p
I'm currently using a USB headset. None of the audio devices are created (i.e: /dev/audio /dev/dsp)
I was informed that I can't get sound from writing data directly to the device node with ALSA, but I would like to ask you guys if some of you knows how to get over this problem.
Thank you for your time.
Regards,
Douglas
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