Added a new MIDIDriver class

3 files changed, 174 insertions, 0 deletions

diff --git a/drivers/coremidi/SCsub b/drivers/coremidi/SCsub
new file mode 100644
index 0000000000..233593b0f9
--- /dev/null
+++ b/drivers/coremidi/SCsub
@@ -0,0 +1,8 @@
+#!/usr/bin/env python
+
+Import('env')
+
+# Driver source files
+env.add_source_files(env.drivers_sources, "*.cpp")
+
+Export('env')
diff --git a/drivers/coremidi/core_midi.cpp b/drivers/coremidi/core_midi.cpp
new file mode 100644
index 0000000000..3619be4a8e
--- /dev/null
+++ b/drivers/coremidi/core_midi.cpp
@@ -0,0 +1,105 @@
+/*************************************************************************/
+/*  core_midi.cpp                                                        */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* 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 COREMIDI_ENABLED
+
+#include "core_midi.h"
+#include "print_string.h"
+
+#include <CoreAudio/HostTime.h>
+#include <CoreServices/CoreServices.h>
+
+void MIDIDriverCoreMidi::read(const MIDIPacketList *packet_list, void *read_proc_ref_con, void *src_conn_ref_con) {
+	MIDIPacket *packet = const_cast<MIDIPacket *>(packet_list->packet);
+	for (int i = 0; i < packet_list->numPackets; i++) {
+		receive_input_packet(packet->timeStamp, packet->data, packet->length);
+		packet = MIDIPacketNext(packet);
+	}
+}
+
+Error MIDIDriverCoreMidi::open() {
+
+	CFStringRef name = CFStringCreateWithCString(NULL, "Godot", kCFStringEncodingASCII);
+	OSStatus result = MIDIClientCreate(name, NULL, NULL, &client);
+	CFRelease(name);
+	if (result != noErr) {
+		ERR_PRINTS("MIDIClientCreate failed: " + String(GetMacOSStatusErrorString(result)));
+		return ERR_CANT_OPEN;
+	}
+
+	result = MIDIInputPortCreate(client, CFSTR("Godot Input"), MIDIDriverCoreMidi::read, (void *)this, &port_in);
+	if (result != noErr) {
+		ERR_PRINTS("MIDIInputPortCreate failed: " + String(GetMacOSStatusErrorString(result)));
+		return ERR_CANT_OPEN;
+	}
+
+	int sources = MIDIGetNumberOfSources();
+	for (int i = 0; i < sources; i++) {
+
+		MIDIEndpointRef source = MIDIGetSource(i);
+		if (source != NULL) {
+			MIDIPortConnectSource(port_in, source, (void *)this);
+			connected_sources.insert(i, source);
+		}
+	}
+
+	return OK;
+}
+
+void MIDIDriverCoreMidi::close() {
+
+	for (int i = 0; i < connected_sources.size(); i++) {
+		MIDIEndpointRef source = connected_sources[i];
+		MIDIPortDisconnectSource(port_in, source);
+	}
+	connected_sources.clear();
+
+	if (port_in != 0) {
+		MIDIPortDispose(port_in);
+		port_in = 0;
+	}
+
+	if (client != 0) {
+		MIDIClientDispose(client);
+		client = 0;
+	}
+}
+
+MIDIDriverCoreMidi::MIDIDriverCoreMidi() {
+
+	client = 0;
+}
+
+MIDIDriverCoreMidi::~MIDIDriverCoreMidi() {
+
+	close();
+}
+
+#endif
diff --git a/drivers/coremidi/core_midi.h b/drivers/coremidi/core_midi.h
new file mode 100644
index 0000000000..fd35e12f4b
--- /dev/null
+++ b/drivers/coremidi/core_midi.h
@@ -0,0 +1,61 @@
+/*************************************************************************/
+/*  core_midi.h                                                          */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* 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 COREMIDI_ENABLED
+
+#ifndef CORE_MIDI_H
+#define CORE_MIDI_H
+
+#include <stdio.h>
+
+#include <CoreMIDI/CoreMIDI.h>
+
+#include "core/vector.h"
+#include "os/midi_driver.h"
+
+class MIDIDriverCoreMidi : public MIDIDriver {
+
+	MIDIClientRef client;
+	MIDIPortRef port_in;
+
+	Vector<MIDIEndpointRef> connected_sources;
+
+	static void read(const MIDIPacketList *packet_list, void *read_proc_ref_con, void *src_conn_ref_con);
+
+public:
+	virtual Error open();
+	virtual void close();
+
+	MIDIDriverCoreMidi();
+	virtual ~MIDIDriverCoreMidi();
+};
+
+#endif
+#endif