107 lines
3.0 KiB
Objective-C
107 lines
3.0 KiB
Objective-C
//
|
|
// MIKMIDIClientDestinationEndpoint.m
|
|
// Pods
|
|
//
|
|
// Created by Andrew Madsen on 9/26/14.
|
|
//
|
|
//
|
|
|
|
#import "MIKMIDIClientDestinationEndpoint.h"
|
|
#import "MIKMIDIObject_SubclassMethods.h"
|
|
#import "MIKMIDIDeviceManager.h"
|
|
#import "MIKMIDICommand.h"
|
|
#import "MIKMIDIUtilities.h"
|
|
|
|
#if !__has_feature(objc_arc)
|
|
#error MIKMIDIClientDestinationEndpoint.m must be compiled with ARC. Either turn on ARC for the project or set the -fobjc-arc flag for MIKMIDIClientDestinationEndpoint.m in the Build Phases for this target
|
|
#endif
|
|
|
|
@interface MIKMIDIClientDestinationEndpoint ()
|
|
|
|
@end
|
|
|
|
@implementation MIKMIDIClientDestinationEndpoint
|
|
{
|
|
void *_selfTrampoline;
|
|
}
|
|
|
|
+ (NSArray *)representedMIDIObjectTypes; { return @[@(kMIDIObjectType_Destination)]; }
|
|
|
|
+ (MIDIClientRef)MIDIClient
|
|
{
|
|
static MIDIClientRef client;
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^{
|
|
OSStatus err = MIDIClientCreate(CFSTR("MIKMIDIDestinationEndpointMIDIClient"), NULL, NULL, &client);
|
|
if (err) NSLog(@"Unable to create MIDI client for MIKMIDIDestinationEndpoint class.");
|
|
});
|
|
|
|
return client;
|
|
}
|
|
|
|
- (instancetype)initWithName:(NSString *)name receivedMessagesHandler:(MIKMIDIClientDestinationEndpointEventHandler)handler;
|
|
{
|
|
__unsafe_unretained id *trampoline = (__unsafe_unretained id *)malloc(sizeof(id));
|
|
|
|
MIDIEndpointRef endpoint;
|
|
OSStatus err = MIDIDestinationCreate([[self class] MIDIClient], (__bridge CFStringRef)name, MIKMIDIDestinationReadProc, trampoline, &endpoint);
|
|
if (err != noErr) {
|
|
NSLog(@"%s failed. Unable to create MIDIDestination.", __PRETTY_FUNCTION__);
|
|
#if TARGET_OS_IPHONE
|
|
if (err == kMIDINotPermitted) {
|
|
NSLog(@"MIKMIDI's use of some CoreMIDI functions requires that your app have the audio key in its UIBackgroundModes.\n"
|
|
"Please see https://github.com/mixedinkey-opensource/MIKMIDI/wiki/Adding-Audio-to-UIBackgroundModes");
|
|
}
|
|
#endif
|
|
free(trampoline);
|
|
return nil;
|
|
}
|
|
|
|
self = [self initWithObjectRef:endpoint];
|
|
if (!self) {
|
|
free(trampoline);
|
|
return nil;
|
|
}
|
|
if (self) {
|
|
*trampoline = self;
|
|
_selfTrampoline = trampoline;
|
|
|
|
_receivedMessagesHandler = handler;
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (void)dealloc
|
|
{
|
|
if (_selfTrampoline) free(_selfTrampoline);
|
|
MIDIEndpointDispose(self.objectRef);
|
|
}
|
|
|
|
#pragma mark - Private
|
|
|
|
void MIKMIDIDestinationReadProc(const MIDIPacketList *pktList, void *readProcRefCon, void *srcConnRefCon)
|
|
{
|
|
if (!readProcRefCon) return;
|
|
@autoreleasepool {
|
|
MIKMIDIClientDestinationEndpoint *self = *(__unsafe_unretained MIKMIDIClientDestinationEndpoint **)readProcRefCon;
|
|
|
|
NSMutableArray *receivedCommands = [NSMutableArray array];
|
|
MIDIPacket *packet = (MIDIPacket *)pktList->packet;
|
|
for (UInt32 i=0; i<pktList->numPackets; i++) {
|
|
if (packet->length > 0) {
|
|
NSArray *commands = [MIKMIDICommand commandsWithMIDIPacket:packet];
|
|
if (commands) [receivedCommands addObjectsFromArray:commands];
|
|
}
|
|
packet = MIDIPacketNext(packet);
|
|
}
|
|
|
|
if ([receivedCommands count] && self.receivedMessagesHandler) {
|
|
self.receivedMessagesHandler(self, receivedCommands);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
@end
|