From: Steinar H. Gunderson <sgunderson@bigfoot.com>
Date: Wed, 12 Feb 2020 16:54:57 +0000 (+0100)
Subject: Fix auto-WB of certain kinds of input.
X-Git-Tag: 1.9.2~42
X-Git-Url: https://git.sesse.net/?p=nageru;a=commitdiff_plain;h=1e71f1ad456d64082a1a56bbc79fe0216e5fb5e3

Fix auto-WB of certain kinds of input.
---

diff --git a/nageru/theme.cpp b/nageru/theme.cpp
index f3e1aa1..162c3bc 100644
--- a/nageru/theme.cpp
+++ b/nageru/theme.cpp
@@ -1686,9 +1686,11 @@ bool Theme::get_supports_set_wb(unsigned channel)
 
 void Theme::set_wb(unsigned channel, float r, float g, float b)
 {
+	int signal = get_channel_signal(channel);
+
 	lock_guard<mutex> lock(m);
-	if (channel_signals.count(channel)) {
-		white_balance_for_signal[channel_signals[channel]] = RGBTriplet{ r, g, b };
+	if (signal != -1) {
+		white_balance_for_signal[signal] = RGBTriplet{ r, g, b };
 	}
 
 	call_lua_wb_callback(channel, r, g, b);