godot/drivers/winmidi/midi_driver_winmidi.cpp

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/**************************************************************************/
/* midi_driver_winmidi.cpp */
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/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifdef WINMIDI_ENABLED
#include "midi_driver_winmidi.h"
#include "core/string/print_string.h"
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void MIDIDriverWinMidi::read(HMIDIIN hMidiIn, UINT wMsg, DWORD_PTR dwInstance, DWORD_PTR dwParam1, DWORD_PTR dwParam2) {
if (wMsg == MIM_DATA) {
receive_input_packet((uint64_t)dwParam2, (uint8_t *)&dwParam1, 3);
}
}
Error MIDIDriverWinMidi::open() {
for (UINT i = 0; i < midiInGetNumDevs(); i++) {
HMIDIIN midi_in;
MMRESULT res = midiInOpen(&midi_in, i, (DWORD_PTR)read, (DWORD_PTR)this, CALLBACK_FUNCTION);
if (res == MMSYSERR_NOERROR) {
midiInStart(midi_in);
connected_sources.insert(i, midi_in);
} else {
char err[256];
midiInGetErrorText(res, err, 256);
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ERR_PRINT("midiInOpen error: " + String(err));
MIDIINCAPS caps;
res = midiInGetDevCaps(i, &caps, sizeof(MIDIINCAPS));
if (res == MMSYSERR_NOERROR) {
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ERR_PRINT("Can't open MIDI device \"" + String(caps.szPname) + "\", is it being used by another application?");
}
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}
}
return OK;
}
PackedStringArray MIDIDriverWinMidi::get_connected_inputs() {
PackedStringArray list;
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for (int i = 0; i < connected_sources.size(); i++) {
HMIDIIN midi_in = connected_sources[i];
UINT id = 0;
MMRESULT res = midiInGetID(midi_in, &id);
if (res == MMSYSERR_NOERROR) {
MIDIINCAPS caps;
res = midiInGetDevCaps(i, &caps, sizeof(MIDIINCAPS));
if (res == MMSYSERR_NOERROR) {
list.push_back(caps.szPname);
}
}
}
return list;
}
void MIDIDriverWinMidi::close() {
for (int i = 0; i < connected_sources.size(); i++) {
HMIDIIN midi_in = connected_sources[i];
midiInStop(midi_in);
midiInClose(midi_in);
}
connected_sources.clear();
}
MIDIDriverWinMidi::MIDIDriverWinMidi() {
}
MIDIDriverWinMidi::~MIDIDriverWinMidi() {
close();
}
#endif // WINMIDI_ENABLED