1/**************************************************************************/
2/* midi_driver_winmidi.cpp */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
6/* https://godotengine.org */
7/**************************************************************************/
8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
10/* */
11/* Permission is hereby granted, free of charge, to any person obtaining */
12/* a copy of this software and associated documentation files (the */
13/* "Software"), to deal in the Software without restriction, including */
14/* without limitation the rights to use, copy, modify, merge, publish, */
15/* distribute, sublicense, and/or sell copies of the Software, and to */
16/* permit persons to whom the Software is furnished to do so, subject to */
17/* the following conditions: */
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19/* The above copyright notice and this permission notice shall be */
20/* included in all copies or substantial portions of the Software. */
21/* */
22/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
23/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
24/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
25/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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27/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
28/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29/**************************************************************************/
30
31#ifdef WINMIDI_ENABLED
32
33#include "midi_driver_winmidi.h"
34
35#include "core/string/print_string.h"
36
37void MIDIDriverWinMidi::read(HMIDIIN hMidiIn, UINT wMsg, DWORD_PTR dwInstance, DWORD_PTR dwParam1, DWORD_PTR dwParam2) {
38 if (wMsg == MIM_DATA) {
39 receive_input_packet((uint64_t)dwParam2, (uint8_t *)&dwParam1, 3);
40 }
41}
42
43Error MIDIDriverWinMidi::open() {
44 for (UINT i = 0; i < midiInGetNumDevs(); i++) {
45 HMIDIIN midi_in;
46
47 MMRESULT res = midiInOpen(&midi_in, i, (DWORD_PTR)read, (DWORD_PTR)this, CALLBACK_FUNCTION);
48 if (res == MMSYSERR_NOERROR) {
49 midiInStart(midi_in);
50 connected_sources.insert(i, midi_in);
51 } else {
52 char err[256];
53 midiInGetErrorText(res, err, 256);
54 ERR_PRINT("midiInOpen error: " + String(err));
55
56 MIDIINCAPS caps;
57 res = midiInGetDevCaps(i, &caps, sizeof(MIDIINCAPS));
58 if (res == MMSYSERR_NOERROR) {
59 ERR_PRINT("Can't open MIDI device \"" + String(caps.szPname) + "\", is it being used by another application?");
60 }
61 }
62 }
63
64 return OK;
65}
66
67PackedStringArray MIDIDriverWinMidi::get_connected_inputs() {
68 PackedStringArray list;
69
70 for (int i = 0; i < connected_sources.size(); i++) {
71 HMIDIIN midi_in = connected_sources[i];
72 UINT id = 0;
73 MMRESULT res = midiInGetID(midi_in, &id);
74 if (res == MMSYSERR_NOERROR) {
75 MIDIINCAPS caps;
76 res = midiInGetDevCaps(i, &caps, sizeof(MIDIINCAPS));
77 if (res == MMSYSERR_NOERROR) {
78 list.push_back(caps.szPname);
79 }
80 }
81 }
82
83 return list;
84}
85
86void MIDIDriverWinMidi::close() {
87 for (int i = 0; i < connected_sources.size(); i++) {
88 HMIDIIN midi_in = connected_sources[i];
89 midiInStop(midi_in);
90 midiInClose(midi_in);
91 }
92 connected_sources.clear();
93}
94
95MIDIDriverWinMidi::MIDIDriverWinMidi() {
96}
97
98MIDIDriverWinMidi::~MIDIDriverWinMidi() {
99 close();
100}
101
102#endif // WINMIDI_ENABLED
103