* PCM direct access functions for recording
@ 2011-01-10 5:08 jonas.rabbe
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From: jonas.rabbe @ 2011-01-10 5:08 UTC (permalink / raw)
To: alsa-devel
Hi,
I am trying to use the PCM direct access (MMAP) functions for recording sound from an ALSA source, and reading the documentation has brought up a few questions. The documentation page for the mmap function [1] and the PCM test demo [2] both concern themselves with writing to the ring buffer. I was wondering if there was a similar example for reading from the ring buffer.
At this point I have been searching through the alsa-devel archives, alsa-project.org, and anything else google could throw at me, but it seems my google-fu is not as strong as I had thought. Any pointers and links concerning my use case would be most appreciated.
Thank you,
Jonas Rabbe
Software Engineer // Qt Multimedia / Brisbane / Australia
[1] http://www.alsa-project.org/alsa-doc/alsa-lib/group___p_c_m___direct.html
[2] http://www.alsa-project.org/alsa-doc/alsa-lib/_2test_2pcm_8c-example.html
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