trigger timestamp

[Takashi Iwai]

On Thu, 08 Jul 2021 14:19:12 +0200,
Muni Sekhar wrote:
> 
> On Thu, Jul 8, 2021 at 4:59 PM Takashi Iwai <tiwai at suse.de> 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).


Takashi