From: Takashi Iwai <tiwai@suse.de>
To: Devin Heitmueller <dheitmueller@kernellabs.com>
Cc: Hans Verkuil <hverkuil@xs4all.nl>,
Shuah Khan <shuahkh@osg.samsung.com>,
Lars-Peter Clausen <lars@metafoo.de>,
Mauro Carvalho Chehab <m.chehab@samsung.com>,
Andrew Morton <akpm@linux-foundation.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Antti Palosaari <crope@iki.fi>,
"olebowle@gmx.com" <olebowle@gmx.com>,
"ramakrmu@cisco.com" <ramakrmu@cisco.com>,
"sakari.ailus@linux.intel.com" <sakari.ailus@linux.intel.com>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
perex@perex.cz, prabhakar.csengg@gmail.com,
Tim Gardner <tim.gardner@canonical.com>,
Sander Eikelenboom <linux@eikelenboom.it>,
Linux Kernel <linux-kernel@vger.kernel.org>,
alsa-devel@alsa-project.org,
Linux Media Mailing List <linux-media@vger.kernel.org>
Subject: Re: [alsa-devel] [PATCH v2 5/6] sound/usb: pcm changes to use media token api
Date: Tue, 21 Oct 2014 18:14:41 +0200 [thread overview]
Message-ID: <s5ha94pz9fy.wl-tiwai@suse.de> (raw)
In-Reply-To: <CAGoCfixD-zv1MMHUXLnjGV5KVB-DGdp2ZqZ0hUTR14UvLh-Gvw@mail.gmail.com>
At Tue, 21 Oct 2014 12:08:59 -0400,
Devin Heitmueller wrote:
>
> > Sorry, I'm not convinced by that. If the device has to be controlled
> > exclusively, the right position is the open/close. Otherwise, the
> > program cannot know when it becomes inaccessible out of sudden during
> > its operation.
>
> I can say that I've definitely seen cases where if you configure a
> device as the "default" capture device in PulseAudio, then pulse will
> continue to capture from it even if you're not actively capturing the
> audio from pulse. I only spotted this because I had a USB analyzer on
> the device and was dumbfounded when the ISOC packets kept arriving
> even after I had closed VLC.
You might have had an input monitor active in some PA apps?
PA shouldn't do it as default. If it does unintentionally, you should
report it to PA guys.
Takashi
next prev parent reply other threads:[~2014-10-21 16:14 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-14 14:58 [PATCH v2 0/6] media token resource framework Shuah Khan
2014-10-14 14:58 ` [PATCH v2 1/6] media: add media token device " Shuah Khan
2014-10-15 17:05 ` Takashi Iwai
2014-10-16 0:53 ` Shuah Khan
2014-10-16 14:00 ` Takashi Iwai
2014-10-16 14:39 ` Shuah Khan
2014-10-21 10:46 ` Hans Verkuil
2014-10-21 11:51 ` Takashi Iwai
2014-10-21 11:58 ` Hans Verkuil
2014-10-21 13:07 ` Takashi Iwai
2014-11-18 21:33 ` Sakari Ailus
2014-10-14 14:58 ` [PATCH v2 2/6] media: v4l2-core changes to use media token api Shuah Khan
2014-10-14 14:58 ` [PATCH v2 3/6] media: au0828-video " Shuah Khan
2014-10-14 14:58 ` [PATCH v2 4/6] media: dvb-core " Shuah Khan
2014-10-14 14:58 ` [PATCH v2 5/6] sound/usb: pcm " Shuah Khan
2014-10-16 12:00 ` [alsa-devel] " Lars-Peter Clausen
2014-10-16 13:10 ` Shuah Khan
2014-10-16 14:01 ` Takashi Iwai
2014-10-16 14:10 ` Shuah Khan
2014-10-16 14:16 ` Takashi Iwai
2014-10-16 14:39 ` Shuah Khan
2014-10-16 14:48 ` Takashi Iwai
2014-10-16 14:59 ` Shuah Khan
2014-10-18 18:49 ` Mauro Carvalho Chehab
2014-10-19 9:00 ` Takashi Iwai
2014-10-21 15:42 ` Hans Verkuil
2014-10-21 16:05 ` Takashi Iwai
2014-10-21 16:08 ` Devin Heitmueller
2014-10-21 16:14 ` Takashi Iwai [this message]
2014-10-22 19:26 ` Pierre-Louis Bossart
2014-10-22 19:45 ` Devin Heitmueller
2014-10-24 14:44 ` Shuah Khan
2014-10-25 12:44 ` Mauro Carvalho Chehab
2014-10-25 13:20 ` Mauro Carvalho Chehab
2014-10-25 13:41 ` Mauro Carvalho Chehab
2014-10-26 8:27 ` Takashi Iwai
2014-10-27 12:52 ` Mauro Carvalho Chehab
2014-10-28 21:15 ` Shuah Khan
2014-10-28 23:42 ` [RFCv1] Media Token API needs - Was: " Mauro Carvalho Chehab
2014-10-29 0:00 ` Mauro Carvalho Chehab
2014-10-29 11:19 ` Mauro Carvalho Chehab
2014-10-29 16:06 ` Shuah Khan
2014-10-29 17:56 ` Mauro Carvalho Chehab
2014-11-04 23:08 ` [RFCv2] Media Token API Spec Shuah Khan
2014-11-10 14:15 ` Hans Verkuil
2014-11-18 21:15 ` Sakari Ailus
2014-11-18 21:27 ` Shuah Khan
2014-10-21 17:32 ` [alsa-devel] [PATCH v2 5/6] sound/usb: pcm changes to use media token api Shuah Khan
2014-10-22 15:24 ` Hans Verkuil
[not found] ` <20141025085742.43e20bb5.m.chehab@samsung.com>
2014-10-27 15:47 ` Shuah Khan
2014-10-14 14:58 ` [PATCH v2 6/6] media: au0828-core changes to create and destroy media Shuah Khan
2014-10-15 16:48 ` [PATCH v2 0/6] media token resource framework Takashi Iwai
2014-10-15 20:21 ` Shuah Khan
2014-10-16 14:02 ` Takashi Iwai
2014-10-29 9:17 ` Sakari Ailus
2014-10-29 9:33 ` Mauro Carvalho Chehab
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