diff options
Diffstat (limited to 'drivers/coremidi/core_midi.cpp')
| -rw-r--r-- | drivers/coremidi/core_midi.cpp | 105 |
1 files changed, 105 insertions, 0 deletions
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 |