No signal detection

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To: video4linux-list@xxxxxxxxxx
Subject: No signal detection
From: Marilen Corciovei <len@xxxxxxxxx>
Date: Tue, 09 Apr 2002 16:46:46 +0300
Delivered-to: video4linux-list@xxxxxxxxxxxxxxxxxx
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Hi, i'm new to this list and want to ask what it might be seem to as adumm question.Is there any way to detect a "no signal" on a bttv card? I'm usingVIDIOCMCAPTURE-...SYNC ops to capture data from my bttv card and itworks fine except when there is no cam i still capture blue images.

Any sugestions?
Len

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