From: Clemens Ladisch <clemens@ladisch.de>
To: Daniel Griscom <griscom@suitable.com>
Cc: Alsa Developer <alsa-devel@alsa-project.org>,
Daniel Mack <zonque@gmail.com>
Subject: Re: Missing exactly 3 of 8 audio packets?
Date: Mon, 26 Nov 2012 22:32:31 +0100 [thread overview]
Message-ID: <50B3DFEF.9080303@ladisch.de> (raw)
In-Reply-To: <p0624080eccd8028e2fa3@[192.168.1.12]>
Daniel Griscom wrote:
> At 5:39 PM +0100 11/25/12, Clemens Ladisch wrote:
>> You might want to try to check the
>> frames' status in retire_playback_urb(),
>
> I've looked that function over, but it's not clear where in the
> various structures I'd find the status.
Copy that code from retire_capture_urb().
> if the data is put on the USB bus, but the receiving device (my audio
> card) loses it, there's no way the above will show this?
Isochronous packets have no error handling or reporting, except for the
CRC. You will see an error report only if it happend before the packet
was put on the bus. (Which appears to be the case for you.)
Regards,
Clemens
next prev parent reply other threads:[~2012-11-26 21:32 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-21 20:13 Missing exactly 3 of 8 audio packets? Daniel Griscom
2012-11-22 21:01 ` Daniel Mack
2012-11-22 21:32 ` Daniel Mack
2012-11-25 3:33 ` Daniel Griscom
2012-11-25 12:43 ` Daniel Mack
2012-11-25 16:39 ` Clemens Ladisch
2012-11-26 3:14 ` Daniel Griscom
2012-11-26 21:32 ` Clemens Ladisch [this message]
2012-11-25 22:23 ` Daniel Griscom
2012-11-26 7:19 ` Daniel Mack
2012-11-26 21:23 ` Daniel Griscom
2012-11-27 11:48 ` [alsa-devel] " Daniel Mack
2012-11-27 17:01 ` Daniel Griscom
2012-11-27 17:21 ` Clemens Ladisch
2012-11-27 18:40 ` Daniel Griscom
2012-11-27 19:46 ` Clemens Ladisch
2012-11-27 20:10 ` Daniel Griscom
[not found] ` <50B4A870.7040201-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-11-27 17:20 ` [alsa-devel] " Alan Stern
[not found] ` <Pine.LNX.4.44L0.1211271213580.1489-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-12-03 21:04 ` Sarah Sharp
-- strict thread matches above, loose matches on Subject: below --
2012-11-29 20:35 Daniel Griscom
2013-01-06 17:42 ` Clemens Ladisch
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