/*
- Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2015-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
*/
+
#include "upmixer_b.h"
#include "audio_buffers.h"
#include "audio_mapping.h"
#include "i18n.h"
+
using std::string;
+using std::make_shared;
using std::min;
using std::vector;
-using boost::shared_ptr;
+using std::shared_ptr;
+
UpmixerB::UpmixerB (int sampling_rate)
: _lfe (0.01, 150.0 / sampling_rate)
}
+
string
UpmixerB::name () const
{
return N_("stereo-5.1-upmix-b");
}
+
int
UpmixerB::out_channels () const
{
return 6;
}
+
shared_ptr<AudioProcessor>
UpmixerB::clone (int sampling_rate) const
{
- return shared_ptr<AudioProcessor> (new UpmixerB (sampling_rate));
+ return make_shared<UpmixerB>(sampling_rate);
}
+
shared_ptr<AudioBuffers>
UpmixerB::run (shared_ptr<const AudioBuffers> in, int channels)
{
- shared_ptr<AudioBuffers> out (new AudioBuffers (channels, in->frames()));
+ auto out = make_shared<AudioBuffers>(channels, in->frames());
/* L + R minus 6dB (in terms of amplitude) */
- shared_ptr<AudioBuffers> in_LR = in->channel(0);
- in_LR->accumulate_frames (in->channel(1).get(), 0, 0, in->frames());
+ auto in_LR = in->channel(0);
+ in_LR->accumulate_frames (in->channel(1).get(), in->frames(), 0, 0);
in_LR->apply_gain (-6);
if (channels > 0) {
shared_ptr<AudioBuffers> S;
if (channels > 4) {
/* Ls is L - R with some delay */
- shared_ptr<AudioBuffers> sub (new AudioBuffers (1, in->frames()));
+ auto sub = make_shared<AudioBuffers>(1, in->frames());
sub->copy_channel_from (in.get(), 0, 0);
float* p = sub->data (0);
float const * q = in->data (1);
return out;
}
+
void
UpmixerB::flush ()
{
_delay.flush ();
}
+
void
UpmixerB::make_audio_mapping_default (AudioMapping& mapping) const
{
}
}
-vector<string>
+
+vector<NamedChannel>
UpmixerB::input_names () const
{
- vector<string> n;
- n.push_back (_("Upmix L"));
- n.push_back (_("Upmix R"));
- return n;
+ return {
+ NamedChannel(_("Upmix L"), 0),
+ NamedChannel(_("Upmix R"), 1)
+ };
}