b41fd74f31
Fix default output device logging, and also the preferences if no default device happens to be set. Signed-off-by: Christopher Snowhill <kode54@gmail.com>
114 lines
3.5 KiB
Objective-C
114 lines
3.5 KiB
Objective-C
#import "OutputsArrayController.h"
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#import <CoreAudio/AudioHardware.h>
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@implementation OutputsArrayController
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- (void)awakeFromNib {
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[self removeObjects:[self arrangedObjects]];
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[self setSelectsInsertedObjects:NO];
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NSDictionary *defaultDeviceInfo = @{
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@"name": @"System Default Device",
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@"deviceID": @(-1),
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};
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[self addObject:defaultDeviceInfo];
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NSUserDefaults *defaults = [[NSUserDefaultsController sharedUserDefaultsController] defaults];
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NSDictionary *defaultDevice = [defaults objectForKey:@"outputDevice"];
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NSString *defaultDeviceName = defaultDevice ? defaultDevice[@"name"] : @"";
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NSNumber *defaultDeviceIDNum = defaultDevice ? defaultDevice[@"deviceID"] : @(-1);
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int defaultDeviceID = defaultDeviceIDNum ? [defaultDeviceIDNum intValue] : -1;
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[self enumerateAudioOutputsUsingBlock:
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^(NSString *deviceName, AudioDeviceID deviceID, AudioDeviceID systemDefaultID, BOOL *stop) {
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NSDictionary *deviceInfo = @{
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@"name": deviceName,
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@"deviceID": @(deviceID),
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};
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[self addObject:deviceInfo];
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if(defaultDeviceID != -1) {
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if((deviceID == (AudioDeviceID)defaultDeviceID) ||
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([deviceName isEqualToString:defaultDeviceName])) {
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[self setSelectedObjects:@[deviceInfo]];
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// Update `outputDevice`, in case the ID has changed.
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if(deviceID != (AudioDeviceID)defaultDeviceID) {
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[defaults setObject:deviceInfo forKey:@"outputDevice"];
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}
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}
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}
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}];
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if(defaultDeviceID == -1) {
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[self setSelectionIndex:0];
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}
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}
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- (void)enumerateAudioOutputsUsingBlock:(void(NS_NOESCAPE ^ _Nonnull)(NSString *deviceName, AudioDeviceID deviceID, AudioDeviceID systemDefaultID, BOOL *stop))block {
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UInt32 propsize;
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AudioObjectPropertyAddress theAddress = {
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.mSelector = kAudioHardwarePropertyDevices,
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.mScope = kAudioObjectPropertyScopeGlobal,
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.mElement = kAudioObjectPropertyElementMaster
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};
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__Verify_noErr(AudioObjectGetPropertyDataSize(kAudioObjectSystemObject, &theAddress, 0, NULL, &propsize));
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UInt32 nDevices = propsize / (UInt32)sizeof(AudioDeviceID);
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AudioDeviceID *devids = malloc(propsize);
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__Verify_noErr(AudioObjectGetPropertyData(kAudioObjectSystemObject, &theAddress, 0, NULL, &propsize, devids));
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theAddress.mSelector = kAudioHardwarePropertyDefaultOutputDevice;
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AudioDeviceID systemDefault;
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propsize = sizeof(systemDefault);
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__Verify_noErr(AudioObjectGetPropertyData(kAudioObjectSystemObject, &theAddress, 0, NULL, &propsize, &systemDefault));
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theAddress.mScope = kAudioDevicePropertyScopeOutput;
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for(UInt32 i = 0; i < nDevices; ++i) {
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CFStringRef name = NULL;
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propsize = sizeof(name);
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theAddress.mSelector = kAudioDevicePropertyDeviceNameCFString;
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__Verify_noErr(AudioObjectGetPropertyData(devids[i], &theAddress, 0, NULL, &propsize, &name));
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if(!name) {
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continue;
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}
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propsize = 0;
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theAddress.mSelector = kAudioDevicePropertyStreamConfiguration;
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__Verify_noErr(AudioObjectGetPropertyDataSize(devids[i], &theAddress, 0, NULL, &propsize));
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if(propsize < sizeof(UInt32)) {
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CFRelease(name);
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continue;
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}
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AudioBufferList *bufferList = (AudioBufferList *)malloc(propsize);
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__Verify_noErr(AudioObjectGetPropertyData(devids[i], &theAddress, 0, NULL, &propsize, bufferList));
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UInt32 bufferCount = bufferList->mNumberBuffers;
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free(bufferList);
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if(!bufferCount) {
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CFRelease(name);
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continue;
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}
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BOOL stop = NO;
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block([NSString stringWithString:(__bridge NSString *)name],
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devids[i],
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systemDefault,
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&stop);
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CFRelease(name);
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if(stop) {
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break;
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}
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}
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free(devids);
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}
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@end
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