[alsa-devel] trace PCM data from usb bus to alsa lib
tiwai at suse.de
Wed Jun 17 10:01:10 CEST 2009
At Wed, 17 Jun 2009 07:25:25 +0000 (UTC),
> I am trying to trace the Audio data from usb bus.
> in kernel:
> dump data in retire_capture_urb() ,found data format is like:
> AABB 0000 CCDD 0000 ;
> but in alsa library ,
> dump data in snd_pcm_mmap_begin(),the "0000" is cut,only "AABB CCDD",
> Do you know when and where those "0000" is cut?
Are you using the native format that the hardware runs?
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