Messages in this thread |  | | Date | Tue, 21 Oct 2014 12:08:59 -0400 | Subject | Re: [alsa-devel] [PATCH v2 5/6] sound/usb: pcm changes to use media token api | From | Devin Heitmueller <> |
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> Sorry, I'm not convinced by that. If the device has to be controlled > exclusively, the right position is the open/close. Otherwise, the > program cannot know when it becomes inaccessible out of sudden during > its operation.
I can say that I've definitely seen cases where if you configure a device as the "default" capture device in PulseAudio, then pulse will continue to capture from it even if you're not actively capturing the audio from pulse. I only spotted this because I had a USB analyzer on the device and was dumbfounded when the ISOC packets kept arriving even after I had closed VLC.
Devin
-- Devin J. Heitmueller - Kernel Labs http://www.kernellabs.com
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