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From: "Clemens Ladisch" <cladisch@fastmail.net>
To: Dmitry Baikov <dsbaikov@gmail.com>,
	alsa-devel@lists.sourceforge.net,
	Jack Dev List <jackit-devel@lists.sourceforge.net>
Subject: Re: [Jackit-devel] alsaseq reorders my events
Date: Thu, 01 Mar 2007 17:59:22 +0100	[thread overview]
Message-ID: <1172768362.11019.1177218661@webmail.messagingengine.com> (raw)
In-Reply-To: <70a871c80703010535p512ebabfke3c57d441a7fe2fb@mail.gmail.com>

Dmitry Baikov wrote:
> I nearly finished alsaseq driver for jackmidi, but have a problem.
> Alsaseq reorders events in fast sequences, so note-on/note-off pairs got
> mixed.

Events with the same timestamp are delivered in strict FIFO order.

> The algorithm of sending is simple:
> 
>  		snd_seq_ev_schedule_real(&alsa_event, output_que, 1, &timestamp);
>  		...
> 		timestamp.tv_sec = (long) (offset / 1000000000);
> 		timestamp.tv_nsec = (long) (offset % 1000000000);
>  		snd_seq_event_output(self->seq, &alsa_event);

Does this code really compute the time stamp _after_ setting it?


Regards,
Clemens

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  parent reply	other threads:[~2007-03-01 16:59 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-01 13:35 alsaseq reorders my events Dmitry Baikov
2007-03-01 16:51 ` [Jackit-devel] [Alsa-devel] " Rui Nuno Capela
2007-03-01 16:59 ` Clemens Ladisch [this message]
2007-03-01 17:23   ` [Jackit-devel] " Dmitry Baikov
2007-03-01 22:02     ` Rui Nuno Capela
2007-03-01 22:12     ` Lee Revell
2007-03-01 22:14       ` Dmitry Baikov
2007-03-01 22:17         ` Lee Revell
2007-03-02 10:35     ` Clemens Ladisch

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