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It is possible to query the OS for the connected MIDI controllers, but the event messages' device field was not being used. This implements controller index being sent in InputEventMIDI messages in the device property, matching the index from OS.get_connected_midi_inputs(). Based on the work done by @ramdor. Closes godotengine/godot-proposals#7733 Co-authored-by: Richie <richie_github@grange-lane.co.uk>
103 lines
3.9 KiB
C++
103 lines
3.9 KiB
C++
/**************************************************************************/
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/* midi_driver_winmidi.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifdef WINMIDI_ENABLED
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#include "midi_driver_winmidi.h"
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#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) {
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if (wMsg == MIM_DATA) {
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receive_input_packet((int)dwInstance, (uint64_t)dwParam2, (uint8_t *)&dwParam1, 3);
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}
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}
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Error MIDIDriverWinMidi::open() {
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for (UINT i = 0; i < midiInGetNumDevs(); i++) {
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HMIDIIN midi_in;
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MMRESULT res = midiInOpen(&midi_in, i, (DWORD_PTR)read, (DWORD_PTR)i, CALLBACK_FUNCTION);
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if (res == MMSYSERR_NOERROR) {
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midiInStart(midi_in);
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connected_sources.insert(i, midi_in);
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} else {
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char err[256];
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midiInGetErrorText(res, err, 256);
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ERR_PRINT("midiInOpen error: " + String(err));
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MIDIINCAPS caps;
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res = midiInGetDevCaps(i, &caps, sizeof(MIDIINCAPS));
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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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}
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}
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}
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return OK;
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}
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PackedStringArray MIDIDriverWinMidi::get_connected_inputs() {
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PackedStringArray list;
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for (int i = 0; i < connected_sources.size(); i++) {
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HMIDIIN midi_in = connected_sources[i];
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UINT id = 0;
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MMRESULT res = midiInGetID(midi_in, &id);
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if (res == MMSYSERR_NOERROR) {
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MIDIINCAPS caps;
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res = midiInGetDevCaps(i, &caps, sizeof(MIDIINCAPS));
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if (res == MMSYSERR_NOERROR) {
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list.push_back(caps.szPname);
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}
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}
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}
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return list;
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}
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void MIDIDriverWinMidi::close() {
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for (int i = 0; i < connected_sources.size(); i++) {
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HMIDIIN midi_in = connected_sources[i];
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midiInStop(midi_in);
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midiInClose(midi_in);
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}
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connected_sources.clear();
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}
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MIDIDriverWinMidi::MIDIDriverWinMidi() {
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}
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MIDIDriverWinMidi::~MIDIDriverWinMidi() {
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close();
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}
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#endif // WINMIDI_ENABLED
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