initial commit, 4.5 stable

drivers/winmidi/SCsub

@@ -0,0 +1,7 @@
+#!/usr/bin/env python
+from misc.utility.scons_hints import *
+
+Import("env")
+
+# Driver source files
+env.add_source_files(env.drivers_sources, "*.cpp")

drivers/winmidi/midi_driver_winmidi.cpp

@@ -0,0 +1,97 @@
+/**************************************************************************/
+/*  midi_driver_winmidi.cpp                                               */
+/**************************************************************************/
+/*                         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"
+
+void MIDIDriverWinMidi::read(HMIDIIN hMidiIn, UINT wMsg, DWORD_PTR dwInstance, DWORD_PTR dwParam1, DWORD_PTR dwParam2) {
+	if (wMsg == MIM_DATA) {
+		// For MIM_DATA: dwParam1 = wMidiMessage, dwParam2 = dwTimestamp.
+		// Windows implementation has already unpacked running status and dropped any SysEx,
+		// so we can just forward straight to the event.
+		const uint8_t *midi_msg = (uint8_t *)&dwParam1;
+		send_event((int)dwInstance, midi_msg[0], &midi_msg[1], 2);
+	}
+}
+
+Error MIDIDriverWinMidi::open() {
+	int device_index = 0;
+	for (UINT i = 0; i < midiInGetNumDevs(); i++) {
+		HMIDIIN midi_in;
+		MIDIINCAPS caps;
+
+		MMRESULT open_res = midiInOpen(&midi_in, i, (DWORD_PTR)read,
+				(DWORD_PTR)device_index, CALLBACK_FUNCTION);
+		MMRESULT caps_res = midiInGetDevCaps(i, &caps, sizeof(MIDIINCAPS));
+
+		if (open_res == MMSYSERR_NOERROR) {
+			midiInStart(midi_in);
+			connected_sources.push_back(midi_in);
+			if (caps_res == MMSYSERR_NOERROR) {
+				connected_input_names.push_back(caps.szPname);
+			} else {
+				// Should push something even if we don't get a name,
+				// so that the IDs line up correctly on the script side.
+				connected_input_names.push_back("ERROR");
+			}
+			// Only increment device index for successfully connected devices.
+			device_index++;
+		} else {
+			char err[256];
+			midiInGetErrorText(open_res, err, 256);
+			ERR_PRINT("midiInOpen error: " + String(err));
+
+			if (caps_res == MMSYSERR_NOERROR) {
+				ERR_PRINT("Can't open MIDI device \"" + String(caps.szPname) + "\", is it being used by another application?");
+			}
+		}
+	}
+
+	return OK;
+}
+
+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();
+	connected_input_names.clear();
+}
+
+MIDIDriverWinMidi::~MIDIDriverWinMidi() {
+	close();
+}
+
+#endif // WINMIDI_ENABLED

drivers/winmidi/midi_driver_winmidi.h

@@ -0,0 +1,57 @@
+/**************************************************************************/
+/*  midi_driver_winmidi.h                                                 */
+/**************************************************************************/
+/*                         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.                 */
+/**************************************************************************/
+
+#pragma once
+
+#ifdef WINMIDI_ENABLED
+
+#include "core/os/midi_driver.h"
+#include "core/templates/vector.h"
+
+#include <cstdio>
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+#include <mmsystem.h>
+
+class MIDIDriverWinMidi : public MIDIDriver {
+	Vector<HMIDIIN> connected_sources;
+
+	static void CALLBACK read(HMIDIIN hMidiIn, UINT wMsg, DWORD_PTR dwInstance, DWORD_PTR dwParam1, DWORD_PTR dwParam2);
+
+public:
+	virtual Error open() override;
+	virtual void close() override;
+
+	MIDIDriverWinMidi() = default;
+	virtual ~MIDIDriverWinMidi();
+};
+
+#endif // WINMIDI_ENABLED