diff options
| author | Carl Hetherington <cth@carlh.net> | 2020-02-27 22:26:57 +0100 |
|---|---|---|
| committer | Carl Hetherington <cth@carlh.net> | 2020-02-27 22:26:57 +0100 |
| commit | bcc4e2f7dc4cd5658e199ddacb7202b00ec72cf1 (patch) | |
| tree | 70a6d59908b1d1391e2f9ecd2c8bd17890b3bbc5 /src/lib/audio_buffers.cc | |
| parent | a2ceaa313a2b8ba28516c935f7f8b82d69957b77 (diff) | |
Add and use dB/linear conversion functions.
Diffstat (limited to 'src/lib/audio_buffers.cc')
| -rw-r--r-- | src/lib/audio_buffers.cc | 5 |
1 files changed, 3 insertions, 2 deletions
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 <cth@carlh.net> + Copyright (C) 2012-2020 Carl Hetherington <cth@carlh.net> This file is part of DCP-o-matic. @@ -18,6 +18,7 @@ */ +#include "util.h" #include "audio_buffers.h" #include "dcpomatic_assert.h" #include <cassert> @@ -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) { |