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77 lines
2.3 KiB
77 lines
2.3 KiB
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import "MIDIEndpoint.h"
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@interface MIDIEndpoint ()
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@property (readwrite, nonatomic, assign) MIDIEndpointRef endpoint;
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@end
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@implementation MIDIEndpoint
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- (NSString *)name {
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CFStringRef result = CFSTR("");
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MIDIObjectGetStringProperty(self.endpoint, kMIDIPropertyDisplayName, &result);
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return CFBridgingRelease(result);
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}
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- (BOOL)isOnline {
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SInt32 result = 1;
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MIDIObjectGetIntegerProperty(self.endpoint, kMIDIPropertyOffline, &result);
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return (result == 0 ? YES : NO);
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}
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@end
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@implementation MIDIDestination
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+ (NSArray *)allDestinations {
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NSMutableArray<MIDIDestination *> *destinations =
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[[NSMutableArray<MIDIDestination *> alloc] init];
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ItemCount destinationCount = MIDIGetNumberOfDestinations();
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for (ItemCount i = 0; i < destinationCount; ++i) {
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MIDIEndpointRef endpoint = MIDIGetDestination(i);
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if (endpoint) {
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MIDIDestination *destination = [[MIDIDestination alloc] init];
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destination.endpoint = endpoint;
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[destinations addObject:destination];
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} else {
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NSLog(@"Error getting destination at index %lud, skipping.", i);
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}
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}
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return destinations;
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}
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@end
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@implementation MIDISource
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+ (NSArray *)allSources {
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NSMutableArray<MIDISource *> *sources = [[NSMutableArray<MIDISource *> alloc] init];
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ItemCount sourceCount = MIDIGetNumberOfSources();
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for (ItemCount i = 0; i < sourceCount; ++i) {
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MIDIEndpointRef endpoint = MIDIGetSource(i);
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if (endpoint) {
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MIDISource *source = [[MIDISource alloc] init];
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source.endpoint = endpoint;
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[sources addObject:source];
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} else {
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NSLog(@"Error getting source at index %lud, skipping.", i);
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}
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}
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return sources;
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}
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@end
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