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comparison DPF-Prymula-audioplugins/dpf/distrho/src/travesty/events.h @ 3:84e66ea83026

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DPF-Prymula-audioplugins-0.231015-2
author prymula <prymula76@outlook.com>
date Mon, 16 Oct 2023 21:53:34 +0200
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2:cf2cb71d31dd 3:84e66ea83026
1 /*
2 * travesty, pure C VST3-compatible interface
3 * Copyright (C) 2021-2022 Filipe Coelho <falktx@falktx.com>
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any purpose with
6 * or without fee is hereby granted, provided that the above copyright notice and this
7 * permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
10 * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
11 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
12 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
13 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #pragma once
18
19 #include "base.h"
20
21 #include "align_push.h"
22
23 /**
24 * note events
25 */
26
27 struct v3_event_note_on {
28 int16_t channel;
29 int16_t pitch; // MIDI note number
30 float tuning;
31 float velocity;
32 int32_t length;
33 int32_t note_id;
34 };
35
36 struct v3_event_note_off {
37 int16_t channel;
38 int16_t pitch; // MIDI note number
39 float velocity;
40 int32_t note_id;
41 float tuning;
42 };
43
44 struct v3_event_data {
45 uint32_t size;
46 uint32_t type;
47 const uint8_t* bytes;
48 };
49
50 struct v3_event_poly_pressure {
51 int16_t channel;
52 int16_t pitch;
53 float pressure;
54 int32_t note_id;
55 };
56
57 struct v3_event_chord {
58 int16_t root;
59 int16_t bass_note;
60 int16_t mask;
61 uint16_t text_len;
62 const int16_t* text;
63 };
64
65 struct v3_event_scale {
66 int16_t root;
67 int16_t mask;
68 uint16_t text_len;
69 const int16_t* text;
70 };
71
72 struct v3_event_legacy_midi_cc_out {
73 uint8_t cc_number;
74 int8_t channel;
75 int8_t value;
76 int8_t value2;
77 };
78
79 struct v3_event_note_expression_value {
80 uint32_t type_id;
81 int32_t note_id;
82 double value;
83 };
84
85 struct v3_event_note_expression_text {
86 int32_t note_id;
87 uint32_t text_len;
88 const int16_t* text;
89 };
90
91 /**
92 * event
93 */
94
95 enum v3_event_flags {
96 V3_EVENT_IS_LIVE = 1 << 0
97 };
98
99 enum v3_event_type {
100 V3_EVENT_NOTE_ON = 0,
101 V3_EVENT_NOTE_OFF = 1,
102 V3_EVENT_DATA = 2,
103 V3_EVENT_POLY_PRESSURE = 3,
104 V3_EVENT_NOTE_EXP_VALUE = 4,
105 V3_EVENT_NOTE_EXP_TEXT = 5,
106 V3_EVENT_CHORD = 6,
107 V3_EVENT_SCALE = 7,
108 V3_EVENT_LEGACY_MIDI_CC_OUT = 65535
109 };
110
111 struct v3_event {
112 int32_t bus_index;
113 int32_t sample_offset;
114 double ppq_position;
115 uint16_t flags;
116 uint16_t type;
117 union {
118 struct v3_event_note_on note_on;
119 struct v3_event_note_off note_off;
120 struct v3_event_data data;
121 struct v3_event_poly_pressure poly_pressure;
122 struct v3_event_chord chord;
123 struct v3_event_scale scale;
124 struct v3_event_legacy_midi_cc_out midi_cc_out;
125 struct v3_event_note_expression_value note_exp_value;
126 struct v3_event_note_expression_text note_exp_text;
127 };
128 };
129
130 /**
131 * event list
132 */
133
134 struct v3_event_list {
135 #ifndef __cplusplus
136 struct v3_funknown;
137 #endif
138 uint32_t (V3_API* get_event_count)(void* self);
139 v3_result (V3_API* get_event)(void* self, int32_t idx, struct v3_event* event);
140 v3_result (V3_API* add_event)(void* self, struct v3_event* event);
141 };
142
143 static constexpr const v3_tuid v3_event_list_iid =
144 V3_ID(0x3A2C4214, 0x346349FE, 0xB2C4F397, 0xB9695A44);
145
146 #ifdef __cplusplus
147
148 /**
149 * C++ variants
150 */
151
152 struct v3_event_list_cpp : v3_funknown {
153 v3_event_list list;
154 };
155
156 #endif
157
158 #include "align_pop.h"