From: Abramo Bagnara <abramo@alsa-project.org>
To: Paul Davis <pbd@op.net>
Cc: alsa-devel@alsa-project.org
Subject: Re: should i be able to abort in the middle of snd_pcm_mmap_{begin,commit} ?
Date: Wed, 13 Feb 2002 18:47:54 +0100 [thread overview]
Message-ID: <3C6AA6CA.6C7C68@alsa-project.org> (raw)
In-Reply-To: 200202131727.g1DHRM604896@op.net
Paul Davis wrote:
>
> should it work for me to call snd_pcm_drop() for both playback and
> capture streams if i'm in the middle of a snd_pcm_mmap_{begin,commit}
> pair?
>
> unless i use RT timing, on both the trident and hammerfall, doing do
> invariably causes an effect upon restarting the streams that suggests
> an out-of-sync hw-pointer.
Do you mean:
snd_pcm_mmap_begin
snd_pcm_drop
snd_pcm_mmap_commit
sequence?
If yes, it does not work, you need to call snd_pcm_mmap_begin again
after snd_pcm_drop.
--
Abramo Bagnara mailto:abramo@alsa-project.org
Opera Unica Phone: +39.546.656023
Via Emilia Interna, 140
48014 Castel Bolognese (RA) - Italy
ALSA project http://www.alsa-project.org
It sounds good!
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prev parent reply other threads:[~2002-02-13 17:48 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-13 17:27 should i be able to abort in the middle of snd_pcm_mmap_{begin,commit} ? Paul Davis
2002-02-13 17:44 ` Jaroslav Kysela
2002-02-13 17:53 ` Paul Davis
2002-02-13 18:07 ` Jaroslav Kysela
2002-02-13 18:10 ` Paul Davis
2002-02-14 13:01 ` Kai Vehmanen
2002-02-14 13:35 ` Kai Vehmanen
2002-02-14 13:50 ` [Jackit-devel] " Paul Davis
2002-02-14 17:09 ` Kai Vehmanen
2002-02-14 17:37 ` Jaroslav Kysela
2002-02-14 17:48 ` Kai Vehmanen
2002-02-15 14:02 ` Re: [Jackit-devel] Re: should i be able to abortin " Abramo Bagnara
2002-02-14 17:39 ` [Jackit-devel] Re: should i be able to abort in " Kai Vehmanen
2002-02-14 17:57 ` Jaroslav Kysela
2002-02-14 18:12 ` Kai Vehmanen
2002-02-14 20:59 ` Re: [Jackit-devel] " Paul Davis
2002-02-19 2:04 ` Kai Vehmanen
2002-02-19 7:15 ` Jaroslav Kysela
2002-02-21 6:21 ` Kai Vehmanen
2002-02-21 8:14 ` Jaroslav Kysela
2002-02-21 8:50 ` Jaroslav Kysela
2002-02-21 9:02 ` Re: should i be able to abort in the middle ofsnd_pcm_mmap_{begin,commit} ? Abramo Bagnara
2002-02-21 9:39 ` Kai Vehmanen
2002-02-21 10:00 ` Abramo Bagnara
2002-02-21 10:12 ` Jaroslav Kysela
2002-02-21 10:42 ` Abramo Bagnara
2002-02-21 10:06 ` Jaroslav Kysela
2002-02-21 10:25 ` Re: should i be able to abort in the middle of snd_pcm_mmap_{begin,commit} ? Kai Vehmanen
2002-02-21 10:35 ` Jaroslav Kysela
2002-02-21 12:08 ` Kai Vehmanen
2002-02-21 8:35 ` Kai Vehmanen
2002-02-13 17:47 ` Abramo Bagnara [this message]
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