/*
- 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.
*/
+#include "util.h"
#include "audio_buffers.h"
#include "dcpomatic_assert.h"
#include <cassert>
copy_from (other.get(), other->_frames, 0, 0);
}
+AudioBuffers::AudioBuffers (boost::shared_ptr<const AudioBuffers> other, int32_t frames_to_copy, int32_t read_offset)
+{
+ allocate (other->_channels, frames_to_copy);
+ copy_from (other.get(), frames_to_copy, read_offset, 0);
+}
+
AudioBuffers &
AudioBuffers::operator= (AudioBuffers const & other)
{
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) {