Re: Coherence of status structure after SYNC_PTR

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Dec 28, 2018 at 12:45:49PM +0900, Takashi Sakamoto wrote:
> I note that there're some levels of timestamp and autio timestamp.
> Additionally, audio timestamp is updated only in any hardware/software IRQs,
> thus it's not available with 'no-period-wakeup' runtime, FYI.

Oops. No, the audio timestamp can be updated in updating process of
hardware pointer. A call of ioctl with SNDRV_PCM_IOCTL_STATUS and
SNDRV_PCM_IOCTL_STATUS_EXT can return updated audio timestamp.


Regards

Takashi Sakamoto
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
http://mailman.alsa-project.org/mailman/listinfo/alsa-devel



[Index of Archives]     [ALSA User]     [Linux Audio Users]     [Pulse Audio]     [Kernel Archive]     [Asterisk PBX]     [Photo Sharing]     [Linux Sound]     [Video 4 Linux]     [Gimp]     [Yosemite News]

  Powered by Linux