How to detect loss of COMPOSITE signal?

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To: video4linux-list@xxxxxxxxxx
Subject: How to detect loss of COMPOSITE signal?
From: Michel Bardiaux <mbardiaux@xxxxxxxxxxx>
Date: Wed, 09 Apr 2003 18:17:29 +0200
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I am currently 'armor-plating' a video capture application against allkinds of incidents (it is supposed to run unattended for weeks). I knowI can use VIDIOCGTUNER to detect the loss of RF signal; but what happenswhen one capture from COMPOSITE and the source of the composite signalfails? And how can I detect that?


--
Michel Bardiaux
Peaktime Belgium S.A.  Bd. du Souverain, 191  B-1160 Bruxelles
Tel : +32 2 790.29.41

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