Ardour  9.0-pre0-582-g084a23a80d
amp.h
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1 /*
2  * Copyright (C) 2006-2014 David Robillard <d@drobilla.net>
3  * Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
4  * Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
5  * Copyright (C) 2013-2018 Robin Gareus <robin@gareus.org>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with this program; if not, write to the Free Software Foundation, Inc.,
19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20  */
21 
22 #pragma once
23 
24 #include "ardour/dB.h"
26 #include "ardour/types.h"
27 #include "ardour/chan_count.h"
28 #include "ardour/processor.h"
30 
31 namespace ARDOUR {
32 
33 class BufferSet;
34 class GainControl;
35 class IO;
36 
38 class LIBARDOUR_API Amp : public Processor {
39 public:
40  Amp(Session& s, const std::string& display_name, std::shared_ptr<GainControl> control, bool control_midi_also);
41 
42  std::string display_name () const { return _display_name; }
43  void set_display_name (const std::string& name) { _display_name = name; }
44 
45  bool visible () const;
46 
49 
50  void run (BufferSet& bufs, samplepos_t start_sample, samplepos_t end_sample, double speed, pframes_t nframes, bool);
51 
53 
54  void setup_gain_automation (samplepos_t start_sample, samplepos_t end_sample, samplecnt_t nframes);
55 
56  XMLNode& state () const;
57  int set_state (const XMLNode&, int version);
58 
59  static gain_t apply_gain (BufferSet& bufs, samplecnt_t sample_rate, samplecnt_t nframes, gain_t initial, gain_t target, bool midi_amp = true);
60  static void apply_simple_gain(BufferSet& bufs, samplecnt_t nframes, gain_t target, bool midi_amp = true);
61 
62  static gain_t apply_gain (AudioBuffer& buf, samplecnt_t sample_rate, samplecnt_t nframes, gain_t initial, gain_t target, sampleoffset_t offset = 0);
63  static void apply_simple_gain (AudioBuffer& buf, samplecnt_t nframes, gain_t target, sampleoffset_t offset = 0);
64 
65  std::shared_ptr<GainControl> gain_control() {
66  return _gain_control;
67  }
68 
69  std::shared_ptr<const GainControl> gain_control() const {
70  return _gain_control;
71  }
72 
73 private:
77 
78  std::string _display_name;
79 
80  std::shared_ptr<GainControl> _gain_control;
81 
84  bool _midi_amp;
85 };
86 
87 
88 } // namespace ARDOUR
89 
void setup_gain_automation(samplepos_t start_sample, samplepos_t end_sample, samplecnt_t nframes)
bool configure_io(ChanCount in, ChanCount out)
std::string _display_name
Definition: amp.h:78
samplepos_t _current_automation_sample
Definition: amp.h:76
void set_display_name(const std::string &name)
Definition: amp.h:43
static void apply_simple_gain(BufferSet &bufs, samplecnt_t nframes, gain_t target, bool midi_amp=true)
void set_gain_automation_buffer(gain_t *)
bool can_support_io_configuration(const ChanCount &in, ChanCount &out)
gain_t * _gain_automation_buffer
Definition: amp.h:83
std::shared_ptr< const GainControl > gain_control() const
Definition: amp.h:69
std::shared_ptr< GainControl > _gain_control
Definition: amp.h:80
std::string display_name() const
Definition: amp.h:42
float _current_gain
Definition: amp.h:75
std::shared_ptr< GainControl > gain_control()
Definition: amp.h:65
XMLNode & state() const
bool _midi_amp
Definition: amp.h:84
bool visible() const
void run(BufferSet &bufs, samplepos_t start_sample, samplepos_t end_sample, double speed, pframes_t nframes, bool)
int set_state(const XMLNode &, int version)
bool _apply_gain_automation
Definition: amp.h:74
static gain_t apply_gain(AudioBuffer &buf, samplecnt_t sample_rate, samplecnt_t nframes, gain_t initial, gain_t target, sampleoffset_t offset=0)
static gain_t apply_gain(BufferSet &bufs, samplecnt_t sample_rate, samplecnt_t nframes, gain_t initial, gain_t target, bool midi_amp=true)
static void apply_simple_gain(AudioBuffer &buf, samplecnt_t nframes, gain_t target, sampleoffset_t offset=0)
Amp(Session &s, const std::string &display_name, std::shared_ptr< GainControl > control, bool control_midi_also)
Definition: xml++.h:114
GtkImageIconNameData name
Definition: gtkimage.h:6
#define LIBARDOUR_API
uint32_t pframes_t
Temporal::samplecnt_t samplecnt_t
Temporal::sampleoffset_t sampleoffset_t
Temporal::samplepos_t samplepos_t