Re: trigger timestamp

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On Thu, Jul 8, 2021 at 6:02 PM Takashi Iwai <tiwai@xxxxxxx> wrote:
>
> On Thu, 08 Jul 2021 14:19:12 +0200,
> Muni Sekhar wrote:
> >
> > On Thu, Jul 8, 2021 at 4:59 PM Takashi Iwai <tiwai@xxxxxxx> wrote:
> > >
> > > On Thu, 01 Jul 2021 01:41:29 +0200,
> > > Muni Sekhar wrote:
> > > >
> > > > Hi all,
> > > >
> > > > >From the user space test application , Is it possible to get the
> > > > trigger timestamp corresponding to SNDRV_PCM_TRIGGER_START &
> > > > SNDRV_PCM_TRIGGER_STOP events for audio playback capture?
> > >
> > > That's exactly what trigger_tstamp of snd_pcm_status corresponds for.
> > Does aplay and arecord have any command line options to get the
> > trigger_tstamp? If not how to get it?
>
> Implement some code :)
>
> Alternatively you can check the proc output contents in
> /proc/asound/card*/pcm*/sub*/status.  It'd be difficult to see the
> stop timestamp, though (as the application closes the stream
> immediately after that).
How to specify if i want the REALTIME/MONOTONIC_RAW trigger_time
timestamp type output in  /proc/asound/card*/pcm*/sub*/status?
>
>
> Takashi




--
Thanks,
Sekhar



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