/*
- Copyright (C) 2014-2015 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2014-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
*/
+
#include "upmixer_a.h"
#include "audio_buffers.h"
#include "audio_mapping.h"
#include "i18n.h"
-using std::string;
+
+using std::make_shared;
using std::min;
+using std::shared_ptr;
+using std::string;
using std::vector;
-using boost::shared_ptr;
+
UpmixerA::UpmixerA (int sampling_rate)
: _left (0.02, 1900.0 / sampling_rate, 4800.0 / sampling_rate)
}
+
string
UpmixerA::name () const
{
return _("Stereo to 5.1 up-mixer A");
}
+
string
UpmixerA::id () const
{
return N_("stereo-5.1-upmix-a");
}
+
int
UpmixerA::out_channels () const
{
return 6;
}
+
shared_ptr<AudioProcessor>
UpmixerA::clone (int sampling_rate) const
{
- return shared_ptr<AudioProcessor> (new UpmixerA (sampling_rate));
+ return make_shared<UpmixerA>(sampling_rate);
}
+
shared_ptr<AudioBuffers>
UpmixerA::run (shared_ptr<const AudioBuffers> in, int channels)
{
/* Input L and R */
- shared_ptr<AudioBuffers> in_L = in->channel (0);
- shared_ptr<AudioBuffers> in_R = in->channel (1);
+ auto in_L = in->channel (0);
+ auto in_R = in->channel (1);
/* Mix of L and R; -6dB down in amplitude (3dB in terms of power) */
- shared_ptr<AudioBuffers> in_LR = in_L->clone ();
+ auto in_LR = in_L->clone ();
in_LR->accumulate_frames (in_R.get(), in_R->frames(), 0, 0);
in_LR->apply_gain (-6);
/* Run filters */
- vector<shared_ptr<AudioBuffers> > all_out;
- all_out.push_back (_left.run (in_L));
- all_out.push_back (_right.run (in_R));
- all_out.push_back (_centre.run (in_LR));
- all_out.push_back (_lfe.run (in_LR));
- all_out.push_back (_ls.run (in_L));
- all_out.push_back (_rs.run (in_R));
-
- shared_ptr<AudioBuffers> out (new AudioBuffers (channels, in->frames ()));
+ vector<shared_ptr<AudioBuffers>> all_out;
+ all_out.push_back (_left.run(in_L));
+ all_out.push_back (_right.run(in_R));
+ all_out.push_back (_centre.run(in_LR));
+ all_out.push_back (_lfe.run(in_LR));
+ all_out.push_back (_ls.run(in_L));
+ all_out.push_back (_rs.run(in_R));
+
+ auto out = make_shared<AudioBuffers>(channels, in->frames());
int const N = min (channels, 6);
for (int i = 0; i < N; ++i) {
_rs.flush ();
}
+
void
UpmixerA::make_audio_mapping_default (AudioMapping& mapping) const
{
}
}
+
vector<NamedChannel>
UpmixerA::input_names () const
{
- vector<NamedChannel> n;
- n.push_back (NamedChannel(_("Upmix L"), 0));
- n.push_back (NamedChannel(_("Upmix R"), 1));
- return n;
+ return {
+ NamedChannel(_("Upmix L"), 0),
+ NamedChannel(_("Upmix R"), 1)
+ };
}