From: Andreas Oberritter <obi@linuxtv.org>
To: "Rémi Denis-Courmont" <remi@remlab.net>
Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC] vtunerc: virtual DVB device - is it ok to NACK driver because of worrying about possible misusage?
Date: Tue, 06 Dec 2011 16:05:45 +0100 [thread overview]
Message-ID: <4EDE2F49.3030108@linuxtv.org> (raw)
In-Reply-To: <201112061619.31357.remi@remlab.net>
On 06.12.2011 15:19, Rémi Denis-Courmont wrote:
> Le mardi 6 décembre 2011 15:49:11 Andreas Oberritter, vous avez écrit :
>> You don't need to wait for write-only operations. Basically all demux
>> ioctls are write-only. Since vtunerc is using dvb-core's software demux
>> *locally*, errors for invalid arguments etc. will be returned as usual.
>
> That's a limitation, not a feature.
You misunderstood.
> You should not transmit unwanted programs over the network, nor copy them to
> kernel space.
I agree. And nobody said that this would happen. The software demux
receives pre-filtered data. Still the ioctls are local. Just a trigger
to start or stop filters needs to be sent to the remote demux, just like
a register setting would be needed for a local hardware demux.
next prev parent reply other threads:[~2011-12-06 15:05 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-30 21:38 [RFC] vtunerc: virtual DVB device - is it ok to NACK driver because of worrying about possible misusage? HoP
2011-11-30 21:52 ` Michael Krufky
2011-12-01 0:09 ` Andreas Oberritter
2011-12-01 11:04 ` Mauro Carvalho Chehab
2011-12-01 14:58 ` HoP
2011-12-01 17:38 ` Mauro Carvalho Chehab
2011-12-01 19:59 ` HoP
2011-12-01 20:38 ` Mauro Carvalho Chehab
2011-12-01 22:55 ` Andreas Oberritter
2011-12-02 11:14 ` Mauro Carvalho Chehab
2011-12-02 11:40 ` Rémi Denis-Courmont
2011-12-02 11:48 ` Andreas Oberritter
2011-12-02 12:05 ` Rémi Denis-Courmont
2011-12-02 11:57 ` HoP
2011-12-02 17:33 ` Mauro Carvalho Chehab
[not found] ` <3D233F78EE854A4BA3D34C11AD4FAC1FDD141F@nasanexd01b.na.qualcomm.com>
2011-12-05 18:16 ` V4L2 driver node directory structure under /video directory Mauro Carvalho Chehab
2011-12-02 17:49 ` [RFC] vtunerc: virtual DVB device - is it ok to NACK driver because of worrying about possible misusage? Rémi Denis-Courmont
2011-12-02 18:16 ` Andreas Oberritter
2011-12-02 18:28 ` Andreas Oberritter
2011-12-02 23:19 ` Alan Cox
2011-12-03 0:37 ` HoP
2011-12-05 10:21 ` Florian Fainelli
2011-12-05 14:28 ` HoP
2011-12-05 15:16 ` Alan Cox
2011-12-05 15:18 ` Michael Krufky
2011-12-06 0:16 ` HoP
2011-12-05 17:39 ` Mauro Carvalho Chehab
2011-12-05 20:41 ` Andreas Oberritter
2011-12-05 20:55 ` Alan Cox
2011-12-05 21:20 ` Andreas Oberritter
2011-12-05 21:54 ` Alan Cox
2011-12-06 11:18 ` Mark Brown
2011-12-06 12:01 ` Andreas Oberritter
2011-12-06 13:10 ` Mauro Carvalho Chehab
2011-12-06 13:35 ` Andreas Oberritter
2011-12-06 14:13 ` Mauro Carvalho Chehab
2011-12-06 14:38 ` Andreas Oberritter
2011-12-06 15:06 ` Mauro Carvalho Chehab
2011-12-06 15:36 ` Manu Abraham
2011-12-06 11:21 ` Mark Brown
2011-12-06 12:01 ` Andreas Oberritter
2011-12-06 14:19 ` Mark Brown
2011-12-06 14:48 ` Andreas Oberritter
2011-12-07 13:49 ` Mark Brown
2011-12-07 14:01 ` Andreas Oberritter
2011-12-07 16:10 ` Mark Brown
2011-12-07 16:56 ` Andreas Oberritter
2011-12-07 16:58 ` Andreas Oberritter
2011-12-07 21:48 ` Patrick Dickey
2011-12-07 22:53 ` Honza Petrouš
2011-12-07 23:24 ` Peter Kolta
2011-12-07 23:55 ` Andreas Oberritter
2011-12-11 18:45 ` Peter martin
2011-12-12 10:31 ` Alan Cox
2011-12-06 17:19 ` Manu Abraham
2011-12-06 0:07 ` HoP
2011-12-06 13:22 ` Mauro Carvalho Chehab
2011-12-06 13:49 ` Andreas Oberritter
2011-12-06 14:19 ` Rémi Denis-Courmont
2011-12-06 15:05 ` Andreas Oberritter [this message]
2011-12-06 14:20 ` Mauro Carvalho Chehab
2011-12-06 15:00 ` Andreas Oberritter
2011-12-06 17:35 ` HoP
2011-12-03 16:13 ` Andreas Oberritter
2011-12-03 16:42 ` Alan Cox
2011-12-03 17:38 ` Andreas Oberritter
2011-12-03 17:21 ` VDR User
2011-12-03 17:42 ` Alan Cox
2011-12-03 17:48 ` Devin Heitmueller
2011-12-04 23:54 ` HoP
2011-12-03 18:13 ` Hans Petter Selasky
2011-12-05 0:05 ` HoP
2011-12-03 18:17 ` Andreas Oberritter
2011-12-03 23:30 ` Walter Van Eetvelt
2011-12-04 0:14 ` VDR User
2011-12-04 14:44 ` Alan Cox
2011-12-04 23:22 ` HoP
2011-12-05 1:45 ` VDR User
2011-12-05 6:20 ` HoP
2011-12-01 11:50 ` Communication misunderstanding? (was: Re: [RFC] vtunerc: virtual DVB device - is it ok to NACK driver because of worrying about possible misusage?) Patrick Boettcher
2011-12-01 12:33 ` [RFC] vtunerc: virtual DVB device Rémi Denis-Courmont
2011-12-01 14:39 ` HoP
2011-12-02 18:32 ` [RFC] vtunerc: virtual DVB device - is it ok to NACK driver because of worrying about possible misusage? VDR User
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