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
|
#include "ladspa.h"
#include "m_pd.h"
typedef struct
{
const LADSPA_Descriptor* type;
LADSPA_Handle* instance;
/* Memory to pass async control data to/from the plugin */
float* control_input_values;
int * control_input_ports; /* port indexes */
float* control_output_values;
int * control_output_ports; /* port indexes */
/* Used for monitoring changes in the values */
float* prev_control_output_values;
int prev_control_output_values_invalid;
/* Pointers to signal memory for out-of-place processing */
float** outofplace_audio_outputs;
float** actual_audio_outputs; /* real audio outputs for out-of-place */
unsigned long num_samples;
unsigned long sample_rate;
} Plugin_Tilde_Ladspa;
typedef struct
{
/* Pd's way of object-oriented programming */
t_object x_obj;
/* Access to LADSPA/VST plugins */
void* plugin_library;
const char* plugin_library_filename; /* only for diagnostics */
union {
Plugin_Tilde_Ladspa ladspa;
} plugin;
/* Plugin information */
unsigned num_audio_inputs;
unsigned num_audio_outputs;
unsigned num_control_inputs;
unsigned num_control_outputs;
/* Pointers to our Pd in- and outlets */
t_inlet** audio_inlets;
t_outlet** audio_outlets;
t_outlet* control_outlet;
/* Pd's way of passing parameters to the DSP routine */
t_int* dsp_vec;
unsigned dsp_vec_length;
unsigned dsp_active;
} Pd_Plugin_Tilde;
/* Object construction and destruction */
void plugin_tilde_setup (void);
static void* plugin_tilde_new (t_symbol* s_name, t_symbol* s_lib_name);
static void plugin_tilde_free (Pd_Plugin_Tilde* x);
/* DSP callbacks */
static void plugin_tilde_dsp (Pd_Plugin_Tilde* x, t_signal** sp);
static t_int* plugin_tilde_perform (t_int* w);
/* Plugin callback for sending control output messages */
void plugin_tilde_emit_control_output (Pd_Plugin_Tilde* x,
const char* name,
float new_value,
int output_port_index);
/* First inlet message callback for "control" messages */
static void plugin_tilde_control (Pd_Plugin_Tilde* x,
t_symbol* ctrl_name,
t_float ctrl_value);
/* First inlet message callback for "control" messages */
static void plugin_tilde_list (Pd_Plugin_Tilde* x);
static void plugin_tilde_info (Pd_Plugin_Tilde* x);
static void plugin_tilde_plug (Pd_Plugin_Tilde* x, t_symbol* plug_name);
static void plugin_tilde_active (Pd_Plugin_Tilde* x, t_float active);
/* First inlet message callback for "reset" messages */
static void plugin_tilde_reset (Pd_Plugin_Tilde* x);
static unsigned plugin_tilde_get_parm_number (Pd_Plugin_Tilde* x,
const char* str);
/* internal API to wrap the different plug-in interfaces */
static const char* plugin_tilde_search_plugin (Pd_Plugin_Tilde* x,
const char* name);
static int plugin_tilde_open_plugin (Pd_Plugin_Tilde* x,
const char* name,
const char* lib_name,
unsigned long sample_rate);
static void plugin_tilde_close_plugin (Pd_Plugin_Tilde* x);
static void plugin_tilde_apply_plugin (Pd_Plugin_Tilde* x);
static void plugin_tilde_connect_audio (Pd_Plugin_Tilde* x,
float** audio_inputs,
float** audio_outputs,
unsigned long num_samples);
static void plugin_tilde_set_control_input_by_name (Pd_Plugin_Tilde* x,
const char* name,
float value);
static void plugin_tilde_set_control_input_by_index (Pd_Plugin_Tilde* x,
unsigned index_,
float value);
/* subroutines to wrap the LADSPA interface */
const char* plugin_tilde_ladspa_search_plugin (Pd_Plugin_Tilde* x,
const char* name);
int plugin_tilde_ladspa_open_plugin (Pd_Plugin_Tilde* x,
const char* name,
const char* lib_name,
unsigned long sample_rate);
void plugin_tilde_ladspa_close_plugin (Pd_Plugin_Tilde* x);
void plugin_tilde_ladspa_apply_plugin (Pd_Plugin_Tilde* x);
void plugin_tilde_ladspa_reset (Pd_Plugin_Tilde* x);
void plugin_tilde_ladspa_connect_audio (Pd_Plugin_Tilde* x,
float** audio_inputs,
float** audio_outputs,
unsigned long num_samples);
void plugin_tilde_ladspa_set_control_input_by_name (Pd_Plugin_Tilde* x,
const char* name,
float value);
void plugin_tilde_ladspa_set_control_input_by_index (Pd_Plugin_Tilde* x,
unsigned index_,
float value);
/*float plugin_tilde_ladspa_get_control_input (Pd_Plugin_Tilde* x,
const char* name);*/
/* Control output is handled with plugin_tilde_emit_control_output() callback */
/* Local subroutines */
static void plugin_tilde_ladspa_describe (const char* full_filename,
void* plugin_handle,
LADSPA_Descriptor_Function descriptor_function,
void* user_data);
static void plugin_tilde_ladspa_search_plugin_callback (const char* full_filename,
void* plugin_handle,
LADSPA_Descriptor_Function descriptor_function,
void* user_data);
static void plugin_tilde_ladspa_count_ports (Pd_Plugin_Tilde* x);
static void plugin_tilde_ladspa_connect_control_ports (Pd_Plugin_Tilde* x);
static int plugin_tilde_ladspa_alloc_outofplace_memory (Pd_Plugin_Tilde* x, unsigned long buflen);
static void plugin_tilde_ladspa_free_outofplace_memory (Pd_Plugin_Tilde* x);
static int plugin_tilde_ladspa_alloc_control_memory (Pd_Plugin_Tilde* x);
static void plugin_tilde_ladspa_free_control_memory (Pd_Plugin_Tilde* x);
|
