From bcc4e2f7dc4cd5658e199ddacb7202b00ec72cf1 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Thu, 27 Feb 2020 22:26:57 +0100
Subject: Add and use dB/linear conversion functions.

---
 src/lib/hints.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/lib/hints.cc')

diff --git a/src/lib/hints.cc b/src/lib/hints.cc
index 6cb037ed0..3edceeee3 100644
--- a/src/lib/hints.cc
+++ b/src/lib/hints.cc
@@ -235,7 +235,7 @@ Hints::thread ()
 
 			for (size_t i = 0; i < sample_peak.size(); ++i) {
 				float const peak = max (sample_peak[i].peak, true_peak.empty() ? 0 : true_peak[i]);
-				float const peak_dB = 20 * log10 (peak) + an->gain_correction (film->playlist ());
+				float const peak_dB = linear_to_db(peak) + an->gain_correction(film->playlist());
 				if (peak_dB > -3) {
 					ch += dcp::raw_convert<string> (short_audio_channel_name (i)) + ", ";
 				}
-- 
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