1 /*************************************************************************/
2 /* midi_driver_winmidi.cpp */
3 /*************************************************************************/
4 /* This file is part of: */
5 /* GODOT ENGINE */
6 /* https://godotengine.org */
7 /*************************************************************************/
8 /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
9 /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
10 /* */
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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 */
26 /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/print_string.h"
36
read(HMIDIIN hMidiIn,UINT wMsg,DWORD_PTR dwInstance,DWORD_PTR dwParam1,DWORD_PTR dwParam2)37 void MIDIDriverWinMidi::read(HMIDIIN hMidiIn, UINT wMsg, DWORD_PTR dwInstance, DWORD_PTR dwParam1, DWORD_PTR dwParam2) {
38
39 if (wMsg == MIM_DATA) {
40 receive_input_packet((uint64_t)dwParam2, (uint8_t *)&dwParam1, 3);
41 }
42 }
43
open()44 Error MIDIDriverWinMidi::open() {
45
46 for (UINT i = 0; i < midiInGetNumDevs(); i++) {
47 HMIDIIN midi_in;
48
49 MMRESULT res = midiInOpen(&midi_in, i, (DWORD_PTR)read, (DWORD_PTR)this, CALLBACK_FUNCTION);
50 if (res == MMSYSERR_NOERROR) {
51 midiInStart(midi_in);
52 connected_sources.insert(i, midi_in);
53 } else {
54 char err[256];
55 midiInGetErrorText(res, err, 256);
56 ERR_PRINTS("midiInOpen error: " + String(err));
57
58 MIDIINCAPS caps;
59 res = midiInGetDevCaps(i, &caps, sizeof(MIDIINCAPS));
60 if (res == MMSYSERR_NOERROR) {
61 ERR_PRINTS("Can't open MIDI device \"" + String(caps.szPname) + "\", is it being used by another application?");
62 }
63 }
64 }
65
66 return OK;
67 }
68
get_connected_inputs()69 PoolStringArray MIDIDriverWinMidi::get_connected_inputs() {
70
71 PoolStringArray list;
72
73 for (int i = 0; i < connected_sources.size(); i++) {
74 HMIDIIN midi_in = connected_sources[i];
75 UINT id = 0;
76 MMRESULT res = midiInGetID(midi_in, &id);
77 if (res == MMSYSERR_NOERROR) {
78 MIDIINCAPS caps;
79 res = midiInGetDevCaps(i, &caps, sizeof(MIDIINCAPS));
80 if (res == MMSYSERR_NOERROR) {
81 list.push_back(caps.szPname);
82 }
83 }
84 }
85
86 return list;
87 }
88
close()89 void MIDIDriverWinMidi::close() {
90
91 for (int i = 0; i < connected_sources.size(); i++) {
92 HMIDIIN midi_in = connected_sources[i];
93 midiInStop(midi_in);
94 midiInClose(midi_in);
95 }
96 connected_sources.clear();
97 }
98
MIDIDriverWinMidi()99 MIDIDriverWinMidi::MIDIDriverWinMidi() {
100 }
101
~MIDIDriverWinMidi()102 MIDIDriverWinMidi::~MIDIDriverWinMidi() {
103
104 close();
105 }
106
107 #endif // WINMIDI_ENABLED
108