[alsa-devel] Help in understanding SND_PCM_TSTAMP_ENABLE mode snd_pcm_htimestamp function
clemens at ladisch.de
Wed Jul 17 15:52:47 CEST 2013
divya v wrote:
> I am looking for a method to maintain timestamps for every sample read or
ALSA does not have timestamps for every sample.
> I noticed the *SND_PCM_TSTAMP_ENABLE mode. But the description mentions - ""
> *pdate timestamp at every hardware position update"
> Doe this mean that the when snd_pcm_htimestamp() is issued, we will get the
> last hardware update timestamp
Yes, this is what the documentation says.
> or does it mean that it will fetch the timestamp of that particular
Yes; it will fetch the timestamp of the particular sample that is
returned in "avail".
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