From bcc4e2f7dc4cd5658e199ddacb7202b00ec72cf1 Mon Sep 17 00:00:00 2001 From: Carl Hetherington Date: Thu, 27 Feb 2020 22:26:57 +0100 Subject: Add and use dB/linear conversion functions. --- src/lib/audio_buffers.cc | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'src/lib/audio_buffers.cc') diff --git a/src/lib/audio_buffers.cc b/src/lib/audio_buffers.cc index cceb12672..cfe762659 100644 --- a/src/lib/audio_buffers.cc +++ b/src/lib/audio_buffers.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2012-2017 Carl Hetherington + Copyright (C) 2012-2020 Carl Hetherington This file is part of DCP-o-matic. @@ -18,6 +18,7 @@ */ +#include "util.h" #include "audio_buffers.h" #include "dcpomatic_assert.h" #include @@ -309,7 +310,7 @@ AudioBuffers::accumulate_frames (AudioBuffers const * from, int32_t frames, int3 void AudioBuffers::apply_gain (float dB) { - float const linear = pow (10, dB / 20); + float const linear = db_to_linear (dB); for (int i = 0; i < _channels; ++i) { for (int j = 0; j < _frames; ++j) { -- cgit v1.2.3