From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
To: Vinod Koul <vkoul@kernel.org>, Takashi Iwai <tiwai@suse.com>,
Jaroslav Kysela <perex@perex.cz>
Cc: Charles Keepax <ckeepax@opensource.cirrus.com>,
alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] ALSA: compress: document the compress gapless audio state machine
Date: Fri, 19 Jun 2020 09:27:42 -0500 [thread overview]
Message-ID: <5c878ccf-43dd-4e13-aa6b-a6cb1e82af72@linux.intel.com> (raw)
In-Reply-To: <20200619045449.3966868-3-vkoul@kernel.org>
> +For Gapless, we move from running state to partial drain and back, along
> +with setting of meta_data and signalling for next track ::
> +
> +
> + +----------+
> + compr_drain_notify() | |
> + +------------------------>| RUNNING |
> + | | |
> + | +----------+
> + | |
> + | |
> + | | compr_next_track()
> + | |
> + | V
> + | +----------+
> + | | |
> + | |NEXT_TRACK|
> + | | |
> + | +----------+
> + | |
> + | |
> + | | compr_partial_drain()
> + | |
> + | V
> + | +----------+
> + | | |
> + +------------------------ | PARTIAL_ |
> + | DRAIN |
> + +----------+
May I suggest having a single state machine, not a big one and an
additional partial one. It would help explain why in one case
compr_drain_notify() triggers a transition to RUNNING while in the other
one it goes to SETUP.
I realize it's more complicated to edit but it'd be easier on
reviewers/users.
next prev parent reply other threads:[~2020-06-19 16:19 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-19 4:54 [PATCH 0/3] ALSA: compress: Document stream states and fix gaplless SM Vinod Koul
2020-06-19 4:54 ` [PATCH 1/3] ALSA: compress: document the compress audio state machine Vinod Koul
2020-06-19 9:29 ` Srinivas Kandagatla
2020-06-19 14:22 ` Pierre-Louis Bossart
2020-06-22 5:33 ` Vinod Koul
2020-06-19 4:54 ` [PATCH 2/3] ALSA: compress: document the compress gapless " Vinod Koul
2020-06-19 14:27 ` Pierre-Louis Bossart [this message]
2020-06-22 5:34 ` Vinod Koul
2020-06-22 13:22 ` Pierre-Louis Bossart
2020-06-19 4:54 ` [PATCH 3/3] ALSA: compress: fix partial_drain completion state Vinod Koul
2020-06-19 9:13 ` Srinivas Kandagatla
2020-06-22 5:35 ` Vinod Koul
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