1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/*
Copyright (C) 2000-2006 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#ifndef __ardour_ladspa_plugin_h__
#define __ardour_ladspa_plugin_h__
#include <list>
#include <set>
#include <vector>
#include <string>
#include <dlfcn.h>
#include <sigc++/signal.h>
#include <pbd/stateful.h>
#include <jack/types.h>
#include <ardour/ladspa.h>
#include <ardour/plugin_state.h>
#include <ardour/plugin.h>
#include <ardour/ladspa_plugin.h>
using std::string;
using std::vector;
using std::list;
namespace ARDOUR {
class AudioEngine;
class Session;
class LadspaPlugin : public ARDOUR::Plugin
{
public:
LadspaPlugin (void *module, ARDOUR::AudioEngine&, ARDOUR::Session&, uint32_t index, nframes_t sample_rate);
LadspaPlugin (const LadspaPlugin &);
~LadspaPlugin ();
/* Plugin interface */
uint32_t unique_id() const { return descriptor->UniqueID; }
const char * label() const { return descriptor->Label; }
const char * name() const { return descriptor->Name; }
const char * maker() const { return descriptor->Maker; }
uint32_t parameter_count() const { return descriptor->PortCount; }
float default_value (uint32_t port);
nframes_t latency() const;
void set_parameter (uint32_t port, float val);
float get_parameter (uint32_t port) const;
int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const;
std::set<uint32_t> automatable() const;
uint32_t nth_parameter (uint32_t port, bool& ok) const;
void activate () {
if (descriptor->activate) {
descriptor->activate (handle);
}
was_activated = true;
}
void deactivate () {
if (descriptor->deactivate)
descriptor->deactivate (handle);
}
void cleanup () {
if (was_activated && descriptor->cleanup) {
descriptor->cleanup (handle);
}
}
void set_block_size (nframes_t nframes) {}
int connect_and_run (vector<Sample*>& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, nframes_t nframes, nframes_t offset);
void store_state (ARDOUR::PluginState&);
void restore_state (ARDOUR::PluginState&);
string describe_parameter (uint32_t);
string state_node_name() const { return "ladspa"; }
void print_parameter (uint32_t, char*, uint32_t len) const;
bool parameter_is_audio(uint32_t) const;
bool parameter_is_control(uint32_t) const;
bool parameter_is_input(uint32_t) const;
bool parameter_is_output(uint32_t) const;
bool parameter_is_toggled(uint32_t) const;
XMLNode& get_state();
int set_state(const XMLNode& node);
bool save_preset(string name);
bool has_editor() const { return false; }
int require_output_streams (uint32_t);
/* LADSPA extras */
LADSPA_Properties properties() const { return descriptor->Properties; }
uint32_t index() const { return _index; }
const char * copyright() const { return descriptor->Copyright; }
LADSPA_PortDescriptor port_descriptor(uint32_t i) const { return descriptor->PortDescriptors[i]; }
const LADSPA_PortRangeHint * port_range_hints() const { return descriptor->PortRangeHints; }
const char * const * port_names() const { return descriptor->PortNames; }
void set_gain (float gain) {
descriptor->set_run_adding_gain (handle, gain);
}
void run_adding (uint32_t nsamples) {
descriptor->run_adding (handle, nsamples);
}
void connect_port (uint32_t port, float *ptr) {
descriptor->connect_port (handle, port, ptr);
}
private:
void *module;
const LADSPA_Descriptor *descriptor;
LADSPA_Handle handle;
nframes_t sample_rate;
LADSPA_Data *control_data;
LADSPA_Data *shadow_data;
LADSPA_Data *latency_control_port;
uint32_t _index;
bool was_activated;
void init (void *mod, uint32_t index, nframes_t rate);
void run (nframes_t nsamples);
void latency_compute_run ();
};
class LadspaPluginInfo : public PluginInfo {
public:
LadspaPluginInfo () { };
~LadspaPluginInfo () { };
PluginPtr load (Session& session);
};
typedef boost::shared_ptr<LadspaPluginInfo> LadspaPluginInfoPtr;
} // namespace ARDOUR
#endif /* __ardour_ladspa_plugin_h__ */
|
