From: Subhashini Rao Beerisetty <subhashbeerisetty@gmail.com>
To: alsa-devel@alsa-project.org, linux-sound@vger.kernel.org
Subject: first and last audio sample timestamp
Date: Fri, 22 Jun 2018 19:30:10 +0530 [thread overview]
Message-ID: <CAPY=qRT-AvUiLFLTx7MzMzreLkWK8Fk06egUMCJsVJ7VwgziuA@mail.gmail.com> (raw)
[ Please keep me in CC as I'm not subscribed to the list]
Hi All,
Hello all,
I’m using aplay and arecord utilities for playback and capture. I need to
capture the timestamps for the first and last audio samples that arrive at
the driver level.
For this I’m capturing the CLOCK_MONOTONIC_RAW timestamp at the
.trigger(for playback & capture) callback in SNDRV_PCM_TRIGGER_START case
– is it the correct timestamp for the first audio sample arrived at the
driver level?
Similarly does .trigger callbacks SNDRV_PCM_TRIGGER_STOP gives the last
audio sample timestamp?
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next reply other threads:[~2018-06-22 14:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-22 14:00 Subhashini Rao Beerisetty [this message]
2018-06-25 14:34 ` first and last audio sample timestamp Takashi Iwai
2018-06-25 14:50 ` Subhashini Rao Beerisetty
2018-06-25 14:53 ` Takashi Iwai
2018-06-25 14:58 ` Subhashini Rao Beerisetty
2018-06-25 15:08 ` Takashi Iwai
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