123 lines
4.4 KiB
C++
123 lines
4.4 KiB
C++
/*************************************************************************/
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/* midi_driver_coremidi.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) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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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 COREMIDI_ENABLED
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#include "midi_driver_coremidi.h"
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#include "core/print_string.h"
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#include <CoreAudio/HostTime.h>
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#include <CoreServices/CoreServices.h>
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void MIDIDriverCoreMidi::read(const MIDIPacketList *packet_list, void *read_proc_ref_con, void *src_conn_ref_con) {
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MIDIPacket *packet = const_cast<MIDIPacket *>(packet_list->packet);
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for (UInt32 i = 0; i < packet_list->numPackets; i++) {
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receive_input_packet(packet->timeStamp, packet->data, packet->length);
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packet = MIDIPacketNext(packet);
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}
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}
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Error MIDIDriverCoreMidi::open() {
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CFStringRef name = CFStringCreateWithCString(nullptr, "Godot", kCFStringEncodingASCII);
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OSStatus result = MIDIClientCreate(name, nullptr, nullptr, &client);
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CFRelease(name);
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if (result != noErr) {
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ERR_PRINT("MIDIClientCreate failed, code: " + itos(result));
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return ERR_CANT_OPEN;
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}
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result = MIDIInputPortCreate(client, CFSTR("Godot Input"), MIDIDriverCoreMidi::read, (void *)this, &port_in);
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if (result != noErr) {
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ERR_PRINT("MIDIInputPortCreate failed, code: " + itos(result));
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return ERR_CANT_OPEN;
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}
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int sources = MIDIGetNumberOfSources();
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for (int i = 0; i < sources; i++) {
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MIDIEndpointRef source = MIDIGetSource(i);
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if (source) {
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MIDIPortConnectSource(port_in, source, (void *)this);
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connected_sources.insert(i, source);
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}
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}
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return OK;
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}
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void MIDIDriverCoreMidi::close() {
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for (int i = 0; i < connected_sources.size(); i++) {
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MIDIEndpointRef source = connected_sources[i];
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MIDIPortDisconnectSource(port_in, source);
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}
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connected_sources.clear();
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if (port_in != 0) {
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MIDIPortDispose(port_in);
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port_in = 0;
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}
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if (client != 0) {
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MIDIClientDispose(client);
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client = 0;
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}
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}
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PackedStringArray MIDIDriverCoreMidi::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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MIDIEndpointRef source = connected_sources[i];
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CFStringRef ref = nullptr;
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char name[256];
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MIDIObjectGetStringProperty(source, kMIDIPropertyDisplayName, &ref);
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CFStringGetCString(ref, name, sizeof(name), kCFStringEncodingUTF8);
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CFRelease(ref);
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list.push_back(name);
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}
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return list;
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}
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MIDIDriverCoreMidi::MIDIDriverCoreMidi() :
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client(0) {
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}
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MIDIDriverCoreMidi::~MIDIDriverCoreMidi() {
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close();
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}
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#endif // COREMIDI_ENABLED
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