Ardour  8.12
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 #ifndef __ardour_amp_h__
23 #define __ardour_amp_h__
24 
25 #include "ardour/dB.h"
27 #include "ardour/types.h"
28 #include "ardour/chan_count.h"
29 #include "ardour/processor.h"
31 
32 namespace ARDOUR {
33 
34 class BufferSet;
35 class GainControl;
36 class IO;
37 
39 class LIBARDOUR_API Amp : public Processor {
40 public:
41  Amp(Session& s, const std::string& display_name, std::shared_ptr<GainControl> control, bool control_midi_also);
42 
43  std::string display_name () const { return _display_name; }
44  void set_display_name (const std::string& name) { _display_name = name; }
45 
46  bool visible () const;
47 
50 
51  void run (BufferSet& bufs, samplepos_t start_sample, samplepos_t end_sample, double speed, pframes_t nframes, bool);
52 
54 
55  void setup_gain_automation (samplepos_t start_sample, samplepos_t end_sample, samplecnt_t nframes);
56 
57  XMLNode& state () const;
58  int set_state (const XMLNode&, int version);
59 
60  static gain_t apply_gain (BufferSet& bufs, samplecnt_t sample_rate, samplecnt_t nframes, gain_t initial, gain_t target, bool midi_amp = true);
61  static void apply_simple_gain(BufferSet& bufs, samplecnt_t nframes, gain_t target, bool midi_amp = true);
62 
63  static gain_t apply_gain (AudioBuffer& buf, samplecnt_t sample_rate, samplecnt_t nframes, gain_t initial, gain_t target, sampleoffset_t offset = 0);
64  static void apply_simple_gain (AudioBuffer& buf, samplecnt_t nframes, gain_t target, sampleoffset_t offset = 0);
65 
66  std::shared_ptr<GainControl> gain_control() {
67  return _gain_control;
68  }
69 
70  std::shared_ptr<const GainControl> gain_control() const {
71  return _gain_control;
72  }
73 
74 private:
78 
79  std::string _display_name;
80 
81  std::shared_ptr<GainControl> _gain_control;
82 
85  bool _midi_amp;
86 };
87 
88 
89 } // namespace ARDOUR
90 
91 #endif // __ardour_amp_h__
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:79
samplepos_t _current_automation_sample
Definition: amp.h:77
void set_display_name(const std::string &name)
Definition: amp.h:44
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:84
std::shared_ptr< const GainControl > gain_control() const
Definition: amp.h:70
std::shared_ptr< GainControl > _gain_control
Definition: amp.h:81
std::string display_name() const
Definition: amp.h:43
float _current_gain
Definition: amp.h:76
std::shared_ptr< GainControl > gain_control()
Definition: amp.h:66
XMLNode & state() const
bool _midi_amp
Definition: amp.h:85
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:75
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