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From: Paul Davis <paul@linuxaudiosystems.com>
To: James Courtier-Dutton <James@superbug.demon.co.uk>
Cc: Jaroslav Kysela <perex@suse.cz>,
	"alsa-devel@lists.sourceforge.net"
	<alsa-devel@lists.sourceforge.net>
Subject: Re: Avoiding xruns... was Re: smix plugin available?
Date: Wed, 27 Nov 2002 08:55:00 -0500	[thread overview]
Message-ID: <E18H2b5-0006JC-00@sc8-sf-list1.sourceforge.net> (raw)
In-Reply-To: Your message of "Thu, 28 Nov 2002 00:07:27 +1100." <3DE4C38F.70302@superbug.demon.co.uk>

>I am currently taking the following approach: -
>Always prepare 2 audio hardware periods of sample frames in advance 
>inside the user app.
>
>1) snd_pcm_wait()
>2) write()
>3) prepare new sample frames, then go back to (1).

for lower latency, you'd do:

 1) snd_pcm_wait()
 2) prepare new sample frames
 3) write(), then go back to (1).

but for the kinds of things you are describing, your original order
seems OK.

--p


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  reply	other threads:[~2002-11-27 13:55 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-11-26  1:16 smix plugin available? Mark Swanson
2002-11-26  3:19 ` Paul Davis
2002-11-26  3:54   ` Mark Swanson
2002-11-26  4:13     ` Paul Davis
2002-11-26  8:13       ` Frans Ketelaars
2002-11-26 12:33         ` Mark Swanson
2002-11-26 19:32   ` Florian Bomers
2002-11-26 23:11     ` Paul Davis
2002-11-27  0:54       ` Florian Bomers
2002-11-27  1:06       ` James Courtier-Dutton
2002-11-27  9:29         ` Jaroslav Kysela
2002-11-27 11:36           ` tomasz motylewski
2002-11-27 13:21             ` James Courtier-Dutton
2002-11-27 13:53             ` Paul Davis
2002-11-27 14:24             ` Jaroslav Kysela
2002-11-27 13:07           ` Avoiding xruns... was " James Courtier-Dutton
2002-11-27 13:55             ` Paul Davis [this message]
2002-11-27 13:42           ` Paul Davis
2002-11-27 15:21             ` Kai Vehmanen
2002-11-27 16:26             ` Jaroslav Kysela
2002-11-27 13:45           ` Paul Davis
2002-11-27 14:39             ` Jaroslav Kysela
     [not found] <1038405126.2021588.0@newmx2.fast.net>
2002-11-27 14:03 ` Avoiding xruns... was " James Courtier-Dutton

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