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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
/*
Copyright (C) 2008-2011 Paul Davis
Author: David Robillard
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.
*/
#ifndef __ardour_lv2_plugin_h__
#define __ardour_lv2_plugin_h__
#include <set>
#include <string>
#include <vector>
#include "ardour/plugin.h"
#include "ardour/uri_map.h"
namespace ARDOUR {
class AudioEngine;
class Session;
class LV2Plugin : public ARDOUR::Plugin
{
public:
LV2Plugin (ARDOUR::AudioEngine& engine,
ARDOUR::Session& session,
void* c_plugin,
framecnt_t sample_rate);
LV2Plugin (const LV2Plugin &);
~LV2Plugin ();
std::string unique_id () const;
const char* uri () const;
const char* label () const;
const char* name () const;
const char* maker () const;
uint32_t num_ports () const;
uint32_t parameter_count () const;
float default_value (uint32_t port);
framecnt_t signal_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;
uint32_t nth_parameter (uint32_t port, bool& ok) const;
const void* extension_data (const char* uri) const;
void* c_plugin();
void* c_ui();
void* c_ui_type();
bool is_external_ui () const;
const char* port_symbol (uint32_t port) const;
const LV2_Feature* const* features () { return _features; }
std::set<Evoral::Parameter> automatable () const;
void activate ();
void deactivate ();
void cleanup ();
int set_block_size (pframes_t /*nframes*/) { return 0; }
int connect_and_run (BufferSet& bufs,
ChanMapping in, ChanMapping out,
pframes_t nframes, framecnt_t offset);
std::string describe_parameter (Evoral::Parameter);
std::string state_node_name () const { return "lv2"; }
void print_parameter (uint32_t param,
char* buf,
uint32_t len) const;
bool parameter_is_audio (uint32_t) const;
bool parameter_is_control (uint32_t) const;
bool parameter_is_event (uint32_t) const;
bool parameter_is_input (uint32_t) const;
bool parameter_is_output (uint32_t) const;
bool parameter_is_toggled (uint32_t) const;
boost::shared_ptr<Plugin::ScalePoints>
get_scale_points(uint32_t port_index) const;
/// Return the URID of midi:MidiEvent
static uint32_t midi_event_type (bool event_api) {
return event_api ? _midi_event_type_ev : _midi_event_type;
}
void set_insert_info(const PluginInsert* insert);
int set_state (const XMLNode& node, int version);
bool save_preset (std::string uri);
void remove_preset (std::string uri);
bool load_preset (PresetRecord);
std::string current_preset () const;
bool has_editor () const;
private:
struct Impl;
Impl* _impl;
void* _module;
LV2_Feature** _features;
framecnt_t _sample_rate;
float* _control_data;
float* _shadow_data;
float* _defaults;
float* _latency_control_port;
PBD::ID _insert_id;
typedef enum {
PORT_INPUT = 1,
PORT_OUTPUT = 1 << 1,
PORT_AUDIO = 1 << 2,
PORT_CONTROL = 1 << 3,
PORT_EVENT = 1 << 4,
PORT_MESSAGE = 1 << 5
} PortFlag;
typedef unsigned PortFlags;
std::vector<PortFlags> _port_flags;
std::map<std::string,uint32_t> _port_indices;
typedef struct {
const void* (*extension_data) (const char* uri);
} LV2_DataAccess;
LV2_DataAccess _data_access_extension_data;
LV2_Feature _data_access_feature;
LV2_Feature _instance_access_feature;
LV2_Feature _make_path_feature;
mutable unsigned _state_version;
bool _was_activated;
bool _has_state_interface;
static URIMap _uri_map;
static uint32_t _midi_event_type_ev;
static uint32_t _midi_event_type;
static uint32_t _sequence_type;
static uint32_t _state_path_type;
const std::string plugin_dir () const;
const std::string scratch_dir () const;
const std::string file_dir () const;
const std::string state_dir (unsigned num) const;
static char* lv2_state_make_path (void* host_data,
const char* path);
void init (void* c_plugin, framecnt_t rate);
void run (pframes_t nsamples);
void latency_compute_run ();
std::string do_save_preset (std::string);
void do_remove_preset (std::string);
void find_presets ();
void add_state (XMLNode *) const;
};
class LV2PluginInfo : public PluginInfo {
public:
LV2PluginInfo (void* c_plugin);
~LV2PluginInfo ();
static PluginInfoList* discover ();
PluginPtr load (Session& session);
void* _c_plugin;
};
typedef boost::shared_ptr<LV2PluginInfo> LV2PluginInfoPtr;
} // namespace ARDOUR
#endif /* __ardour_lv2_plugin_h__ */
|
