From: "Rémi Denis-Courmont" <remi@remlab.net>
To: linux-media@vger.kernel.org
Subject: Re: [PATCH 1/8] [media] dvb: Allow select between DVB-C Annex A and Annex C
Date: Sun, 20 Nov 2011 22:27:48 +0200 [thread overview]
Message-ID: <201111202227.48948.remi@remlab.net> (raw)
In-Reply-To: <1321800978-27912-1-git-send-email-mchehab@redhat.com>
Le dimanche 20 novembre 2011 16:56:11 Mauro Carvalho Chehab, vous avez écrit :
> DVB-C, as defined by ITU-T J.83 has 3 annexes. The differences between
> Annex A and Annex C is that Annex C uses a subset of the modulation
> types, and uses a different rolloff factor. A different rolloff means
> that the bandwidth required is slicely different, and may affect the
> saw filter configuration at the tuners. Also, some demods have different
> configurations, depending on using Annex A or Annex C.
>
> So, allow userspace to specify it, by changing the rolloff factor.
I assume you'll bump the minor DVB version at some point too?
--
Rémi Denis-Courmont
http://www.remlab.net/
http://fi.linkedin.com/in/remidenis
prev parent reply other threads:[~2011-11-20 20:27 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-20 14:56 [PATCH 1/8] [media] dvb: Allow select between DVB-C Annex A and Annex C Mauro Carvalho Chehab
2011-11-20 14:56 ` [PATCH 2/8] [media] Properly implement ITU-T J.88 Annex C support Mauro Carvalho Chehab
2011-11-20 14:56 ` [PATCH 3/8] [media] em28xx: Fix some Terratec entries (H5 and XS) Mauro Carvalho Chehab
2011-11-20 14:56 ` [PATCH 4/8] [media] xc5000: Add support for get_if_frequency Mauro Carvalho Chehab
2011-11-20 14:56 ` [PATCH 5/8] [media] em28xx: initial support for HAUPPAUGE HVR-930C again Mauro Carvalho Chehab
2011-11-20 14:56 ` [PATCH 6/8] [media] em28xx: Fix CodingStyle issues introduced by changeset 82e7dbb Mauro Carvalho Chehab
2011-11-20 14:56 ` [PATCH 7/8] [media] em28xx: Add IR support for em2884 Mauro Carvalho Chehab
2011-11-20 14:56 ` [PATCH 8/8] [media] em28xx: Add IR support for HVR-930C Mauro Carvalho Chehab
2011-12-05 18:23 ` [PATCH 5/8] [media] em28xx: initial support for HAUPPAUGE HVR-930C again Devin Heitmueller
2011-12-05 18:35 ` Mauro Carvalho Chehab
2011-12-05 18:46 ` Devin Heitmueller
2011-12-05 20:01 ` Devin Heitmueller
2011-12-05 23:32 ` Eddi De Pieri
2011-12-05 23:47 ` Devin Heitmueller
2011-12-06 12:51 ` Mark Lord
2011-12-06 13:43 ` Mauro Carvalho Chehab
2011-12-06 13:56 ` Devin Heitmueller
2011-12-06 15:28 ` Mark Lord
2011-12-06 15:35 ` Devin Heitmueller
2011-12-06 15:44 ` Mauro Carvalho Chehab
2011-12-07 9:59 ` Mauro Carvalho Chehab
2011-11-20 20:27 ` Rémi Denis-Courmont [this message]
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