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devinrothdevinroth
authored
Merge pull request #254 from ExistentialAudio/0.2.8
Update to 0.2.8
2 parents 21989c7 + 6c6e390 commit bc8bdc4

7 files changed

Lines changed: 144 additions & 128 deletions

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‎BlackHole.xcodeproj/project.pbxproj‎

Lines changed: 10 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -109,7 +109,7 @@
109109
2D74779D1578162B00412279 /* Project object */ = {
110110
isa = PBXProject;
111111
attributes = {
112-
LastUpgradeCheck = 1030;
112+
LastUpgradeCheck = 1220;
113113
TargetAttributes = {
114114
2D7477A81578168D00412279 = {
115115
DevelopmentTeam = Q5C99V536K;
@@ -178,6 +178,7 @@
178178
CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
179179
CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
180180
CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
181+
CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
181182
CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
182183
CLANG_WARN_STRICT_PROTOTYPES = YES;
183184
CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -229,6 +230,7 @@
229230
CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
230231
CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
231232
CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
233+
CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
232234
CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
233235
CLANG_WARN_STRICT_PROTOTYPES = YES;
234236
CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -282,6 +284,7 @@
282284
CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
283285
CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
284286
CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
287+
CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
285288
CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
286289
CLANG_WARN_STRICT_PROTOTYPES = YES;
287290
CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -328,8 +331,8 @@
328331
);
329332
INFOPLIST_FILE = "$(SRCROOT)/BlackHole/BlackHole-Info.plist";
330333
INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Audio/Plug-Ins/HAL";
331-
MACOSX_DEPLOYMENT_TARGET = 10.10;
332-
MARKETING_VERSION = 0.2.7;
334+
MACOSX_DEPLOYMENT_TARGET = 10.9;
335+
MARKETING_VERSION = 0.2.8;
333336
PRODUCT_BUNDLE_IDENTIFIER = audio.existential.BlackHole;
334337
PRODUCT_NAME = "$(TARGET_NAME)";
335338
WRAPPER_EXTENSION = driver;
@@ -348,8 +351,8 @@
348351
);
349352
INFOPLIST_FILE = "$(SRCROOT)/BlackHole/BlackHole-Info.plist";
350353
INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Audio/Plug-Ins/HAL";
351-
MACOSX_DEPLOYMENT_TARGET = 10.10;
352-
MARKETING_VERSION = 0.2.7;
354+
MACOSX_DEPLOYMENT_TARGET = 10.9;
355+
MARKETING_VERSION = 0.2.8;
353356
PRODUCT_BUNDLE_IDENTIFIER = audio.existential.BlackHole;
354357
PRODUCT_NAME = "$(TARGET_NAME)";
355358
WRAPPER_EXTENSION = driver;
@@ -368,8 +371,8 @@
368371
);
369372
INFOPLIST_FILE = "$(SRCROOT)/BlackHole/BlackHole-Info.plist";
370373
INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Audio/Plug-Ins/HAL";
371-
MACOSX_DEPLOYMENT_TARGET = 10.10;
372-
MARKETING_VERSION = 0.2.7;
374+
MACOSX_DEPLOYMENT_TARGET = 10.9;
375+
MARKETING_VERSION = 0.2.8;
373376
PRODUCT_BUNDLE_IDENTIFIER = audio.existential.BlackHole;
374377
PRODUCT_NAME = "$(TARGET_NAME)";
375378
WRAPPER_EXTENSION = driver;

‎BlackHole.xcodeproj/project.xcworkspace/xcuserdata/devinroth.xcuserdatad/UserInterfaceState.xcuserstate‎

34.8 KB
Binary file not shown.

‎BlackHole.xcodeproj/xcshareddata/xcschemes/BlackHole.xcscheme‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
11
<?xml version="1.0" encoding="UTF-8"?>
22
<Scheme
3-
LastUpgradeVersion = "1030"
3+
LastUpgradeVersion = "1220"
44
version = "1.3">
55
<BuildAction
66
parallelizeBuildables = "YES"

‎BlackHole/BlackHole.c‎

Lines changed: 63 additions & 83 deletions
Original file line numberDiff line numberDiff line change
@@ -221,9 +221,11 @@ static OSStatus BlackHole_Initialize(AudioServerPlugInDriverRef inDriver, AudioS
221221
// calculate the host ticks per frame
222222
struct mach_timebase_info theTimeBaseInfo;
223223
mach_timebase_info(&theTimeBaseInfo);
224-
Float64 theHostClockFrequency = theTimeBaseInfo.denom / theTimeBaseInfo.numer;
224+
Float64 theHostClockFrequency = (Float64)theTimeBaseInfo.denom / (Float64)theTimeBaseInfo.numer;
225225
theHostClockFrequency *= 1000000000.0;
226226
gDevice_HostTicksPerFrame = theHostClockFrequency / gDevice_SampleRate;
227+
228+
// DebugMsg("BlackHole theTimeBaseInfo.numer: %u \t theTimeBaseInfo.denom: %u", theTimeBaseInfo.numer, theTimeBaseInfo.denom);
227229

228230
Done:
229231
return theAnswer;
@@ -346,12 +348,14 @@ static OSStatus BlackHole_PerformDeviceConfigurationChange(AudioServerPlugInDriv
346348
// recalculate the state that depends on the sample rate
347349
struct mach_timebase_info theTimeBaseInfo;
348350
mach_timebase_info(&theTimeBaseInfo);
349-
Float64 theHostClockFrequency = theTimeBaseInfo.denom / theTimeBaseInfo.numer;
351+
Float64 theHostClockFrequency = (Float64)theTimeBaseInfo.numer / (Float64)theTimeBaseInfo.denom;
350352
theHostClockFrequency *= 1000000000.0;
351353
gDevice_HostTicksPerFrame = theHostClockFrequency / gDevice_SampleRate;
352354

353355
// unlock the state mutex
354356
pthread_mutex_unlock(&gPlugIn_StateMutex);
357+
358+
// DebugMsg("BlackHole theTimeBaseInfo.numer: %u \t theTimeBaseInfo.denom: %u", theTimeBaseInfo.numer, theTimeBaseInfo.denom);
355359

356360
Done:
357361
return theAnswer;
@@ -412,9 +416,7 @@ static Boolean BlackHole_HasProperty(AudioServerPlugInDriverRef inDriver, AudioO
412416
theAnswer = BlackHole_HasStreamProperty(inDriver, inObjectID, inClientProcessID, inAddress);
413417
break;
414418

415-
case kObjectID_Volume_Input_Master:
416419
case kObjectID_Volume_Output_Master:
417-
case kObjectID_Mute_Input_Master:
418420
case kObjectID_Mute_Output_Master:
419421
case kObjectID_DataSource_Input_Master:
420422
case kObjectID_DataSource_Output_Master:
@@ -461,9 +463,7 @@ static OSStatus BlackHole_IsPropertySettable(AudioServerPlugInDriverRef inDriver
461463
theAnswer = BlackHole_IsStreamPropertySettable(inDriver, inObjectID, inClientProcessID, inAddress, outIsSettable);
462464
break;
463465

464-
case kObjectID_Volume_Input_Master:
465466
case kObjectID_Volume_Output_Master:
466-
case kObjectID_Mute_Input_Master:
467467
case kObjectID_Mute_Output_Master:
468468
case kObjectID_DataSource_Input_Master:
469469
case kObjectID_DataSource_Output_Master:
@@ -513,9 +513,7 @@ static OSStatus BlackHole_GetPropertyDataSize(AudioServerPlugInDriverRef inDrive
513513
theAnswer = BlackHole_GetStreamPropertyDataSize(inDriver, inObjectID, inClientProcessID, inAddress, inQualifierDataSize, inQualifierData, outDataSize);
514514
break;
515515

516-
case kObjectID_Volume_Input_Master:
517516
case kObjectID_Volume_Output_Master:
518-
case kObjectID_Mute_Input_Master:
519517
case kObjectID_Mute_Output_Master:
520518
case kObjectID_DataSource_Input_Master:
521519
case kObjectID_DataSource_Output_Master:
@@ -566,9 +564,7 @@ static OSStatus BlackHole_GetPropertyData(AudioServerPlugInDriverRef inDriver, A
566564
theAnswer = BlackHole_GetStreamPropertyData(inDriver, inObjectID, inClientProcessID, inAddress, inQualifierDataSize, inQualifierData, inDataSize, outDataSize, outData);
567565
break;
568566

569-
case kObjectID_Volume_Input_Master:
570567
case kObjectID_Volume_Output_Master:
571-
case kObjectID_Mute_Input_Master:
572568
case kObjectID_Mute_Output_Master:
573569
case kObjectID_DataSource_Input_Master:
574570
case kObjectID_DataSource_Output_Master:
@@ -617,9 +613,7 @@ static OSStatus BlackHole_SetPropertyData(AudioServerPlugInDriverRef inDriver, A
617613
theAnswer = BlackHole_SetStreamPropertyData(inDriver, inObjectID, inClientProcessID, inAddress, inQualifierDataSize, inQualifierData, inDataSize, inData, &theNumberPropertiesChanged, theChangedAddresses);
618614
break;
619615

620-
case kObjectID_Volume_Input_Master:
621616
case kObjectID_Volume_Output_Master:
622-
case kObjectID_Mute_Input_Master:
623617
case kObjectID_Mute_Output_Master:
624618
case kObjectID_DataSource_Input_Master:
625619
case kObjectID_DataSource_Output_Master:
@@ -915,7 +909,7 @@ static OSStatus BlackHole_GetPlugInPropertyData(AudioServerPlugInDriverRef inDri
915909
FailWithAction(inDataSize < sizeof(AudioObjectID), theAnswer = kAudioHardwareBadPropertySizeError, Done, "BlackHole_GetPlugInPropertyData: not enough space for the return value of kAudioPlugInPropertyTranslateUIDToBox");
916910
FailWithAction(inQualifierDataSize == sizeof(CFStringRef), theAnswer = kAudioHardwareBadPropertySizeError, Done, "BlackHole_GetPlugInPropertyData: the qualifier is the wrong size for kAudioPlugInPropertyTranslateUIDToBox");
917911
FailWithAction(inQualifierData == NULL, theAnswer = kAudioHardwareBadPropertySizeError, Done, "BlackHole_GetPlugInPropertyData: no qualifier for kAudioPlugInPropertyTranslateUIDToBox");
918-
if(CFStringCompare(*((CFStringRef*)inQualifierData), CFSTR(kBox_UID), 0) == kCFCompareEqualTo)
912+
if(CFStringCompare(*((CFStringRef*)inQualifierData), CFStringCreateWithFormat(NULL, NULL, CFSTR(kBox_UID), NUMBER_OF_CHANNELS), 0) == kCFCompareEqualTo)
919913
{
920914
*((AudioObjectID*)outData) = kObjectID_Box;
921915
}
@@ -958,7 +952,7 @@ static OSStatus BlackHole_GetPlugInPropertyData(AudioServerPlugInDriverRef inDri
958952
FailWithAction(inDataSize < sizeof(AudioObjectID), theAnswer = kAudioHardwareBadPropertySizeError, Done, "BlackHole_GetPlugInPropertyData: not enough space for the return value of kAudioPlugInPropertyTranslateUIDToDevice");
959953
FailWithAction(inQualifierDataSize == sizeof(CFStringRef), theAnswer = kAudioHardwareBadPropertySizeError, Done, "BlackHole_GetPlugInPropertyData: the qualifier is the wrong size for kAudioPlugInPropertyTranslateUIDToDevice");
960954
FailWithAction(inQualifierData == NULL, theAnswer = kAudioHardwareBadPropertySizeError, Done, "BlackHole_GetPlugInPropertyData: no qualifier for kAudioPlugInPropertyTranslateUIDToDevice");
961-
if(CFStringCompare(*((CFStringRef*)inQualifierData), CFSTR(kDevice_UID), 0) == kCFCompareEqualTo)
955+
if(CFStringCompare(*((CFStringRef*)inQualifierData), CFStringCreateWithFormat(NULL, NULL, CFSTR(kDevice_UID), NUMBER_OF_CHANNELS), 0) == kCFCompareEqualTo)
962956
{
963957
*((AudioObjectID*)outData) = kObjectID_Device;
964958
}
@@ -1329,7 +1323,7 @@ static OSStatus BlackHole_GetBoxPropertyData(AudioServerPlugInDriverRef inDriver
13291323
case kAudioBoxPropertyBoxUID:
13301324
// Boxes have UIDs the same as devices
13311325
FailWithAction(inDataSize < sizeof(CFStringRef), theAnswer = kAudioHardwareBadPropertySizeError, Done, "BlackHole_GetBoxPropertyData: not enough space for the return value of kAudioObjectPropertyManufacturer for the box");
1332-
*((CFStringRef*)outData) = CFSTR(kBox_UID);
1326+
*((CFStringRef*)outData) = CFStringCreateWithFormat(NULL, NULL, CFSTR(kBox_UID), NUMBER_OF_CHANNELS);
13331327
break;
13341328

13351329
case kAudioBoxPropertyTransportType:
@@ -1910,7 +1904,7 @@ static OSStatus BlackHole_GetDevicePropertyData(AudioServerPlugInDriverRef inDri
19101904
// audio device across boot sessions. Note that two instances of the same
19111905
// device must have different values for this property.
19121906
FailWithAction(inDataSize < sizeof(CFStringRef), theAnswer = kAudioHardwareBadPropertySizeError, Done, "BlackHole_GetDevicePropertyData: not enough space for the return value of kAudioDevicePropertyDeviceUID for the device");
1913-
*((CFStringRef*)outData) = CFSTR(kDevice_UID);
1907+
*((CFStringRef*)outData) = CFStringCreateWithFormat(NULL, NULL, CFSTR(kDevice_UID), NUMBER_OF_CHANNELS);
19141908
*outDataSize = sizeof(CFStringRef);
19151909
break;
19161910

@@ -1919,7 +1913,7 @@ static OSStatus BlackHole_GetDevicePropertyData(AudioServerPlugInDriverRef inDri
19191913
// devices that are the same kind of device. Note that two instances of the
19201914
// save device must have the same value for this property.
19211915
FailWithAction(inDataSize < sizeof(CFStringRef), theAnswer = kAudioHardwareBadPropertySizeError, Done, "BlackHole_GetDevicePropertyData: not enough space for the return value of kAudioDevicePropertyModelUID for the device");
1922-
*((CFStringRef*)outData) = CFSTR(kDevice_ModelUID);
1916+
*((CFStringRef*)outData) = CFStringCreateWithFormat(NULL, NULL, CFSTR(kDevice_ModelUID), NUMBER_OF_CHANNELS);
19231917
*outDataSize = sizeof(CFStringRef);
19241918
break;
19251919

@@ -3693,7 +3687,7 @@ static OSStatus BlackHole_StartIO(AudioServerPlugInDriverRef inDriver, AudioObje
36933687
gDevice_AnchorHostTime = mach_absolute_time();
36943688

36953689
// allocate ring buffer
3696-
ringBuffer = malloc(RING_BUFFER_SIZE);
3690+
ringBuffer = calloc(RING_BUFFER_FRAME_SIZE * NUMBER_OF_CHANNELS, sizeof(Float32));
36973691
}
36983692
else
36993693
{
@@ -3799,6 +3793,8 @@ static OSStatus BlackHole_GetZeroTimeStamp(AudioServerPlugInDriverRef inDriver,
37993793
*outSampleTime = gDevice_NumberTimeStamps * kDevice_RingBufferSize;
38003794
*outHostTime = gDevice_AnchorHostTime + (((Float64)gDevice_NumberTimeStamps) * theHostTicksPerRingBuffer);
38013795
*outSeed = 1;
3796+
3797+
// DebugMsg("SampleTime: %f \t HostTime: %llu", *outSampleTime, *outHostTime);
38023798

38033799
// unlock the state lock
38043800
pthread_mutex_unlock(&gDevice_IOMutex);
@@ -3887,81 +3883,65 @@ static OSStatus BlackHole_DoIOOperation(AudioServerPlugInDriverRef inDriver, Aud
38873883

38883884
// IO Lock
38893885
pthread_mutex_lock(&gDevice_IOMutex);
3890-
3891-
/* READ INPUT */
3892-
if(inOperationID == kAudioServerPlugInIOOperationReadInput)
3893-
{
3894-
/* WRITE TO IOBUFFER */
3895-
// calculate the ring buffer offset for the first sample INPUT
3896-
ringBufferOffset = ((UInt64)(inIOCycleInfo->mInputTime.mSampleTime * BYTES_PER_FRAME) % RING_BUFFER_SIZE);
3897-
3898-
// calculate the size of the buffer
3899-
inIOBufferByteSize = inIOBufferFrameSize * BYTES_PER_FRAME;
3900-
remainingRingBufferByteSize = RING_BUFFER_SIZE - ringBufferOffset;
3901-
3902-
if (remainingRingBufferByteSize > inIOBufferByteSize)
3903-
{
3904-
// copy whole buffer if we have space
3905-
memcpy(ioMainBuffer, ringBuffer + ringBufferOffset, inIOBufferByteSize);
3906-
3907-
}
3908-
else
3909-
{
3910-
// copy 1st half
3911-
memcpy(ioMainBuffer, ringBuffer + ringBufferOffset, remainingRingBufferByteSize);
3912-
// copy 2nd half
3913-
memcpy(ioMainBuffer + remainingRingBufferByteSize, ringBuffer, inIOBufferByteSize - remainingRingBufferByteSize);
3914-
}
39153886

3887+
// From BlackHole to Application
3888+
if(inOperationID == kAudioServerPlugInIOOperationReadInput)
3889+
{
39163890

3917-
/* CLEAR TO RINGBUFFER TRAILING BY 3072 SAMPLES */
3918-
// calculate the ring buffer offset for the first sample INPUT
3919-
ringBufferOffset = ((UInt64)(inIOCycleInfo->mInputTime.mSampleTime * BYTES_PER_FRAME - 3072) % RING_BUFFER_SIZE);
3920-
remainingRingBufferByteSize = RING_BUFFER_SIZE - ringBufferOffset;
3891+
Float32* buffer = (Float32*)ioMainBuffer;
3892+
UInt64 mSampleTime = inIOCycleInfo->mInputTime.mSampleTime;
3893+
3894+
for(UInt32 frame = 0; frame < inIOBufferFrameSize; frame++){
3895+
for(int channel = 0; channel < NUMBER_OF_CHANNELS; channel++){
3896+
3897+
// don't do anything if muted
3898+
if (!gMute_Output_Master_Value)
3899+
{
3900+
// write to the ioMainBuffer
3901+
buffer[frame*NUMBER_OF_CHANNELS+channel] = ringBuffer[((mSampleTime+frame)%kDevice_RingBufferSize)*NUMBER_OF_CHANNELS+channel];
3902+
}
3903+
else
3904+
{
3905+
buffer[frame*NUMBER_OF_CHANNELS+channel] = 0;
3906+
}
3907+
3908+
// clear ring buffer after 8192 samples.
3909+
ringBuffer[((mSampleTime+frame-8192)%kDevice_RingBufferSize)*NUMBER_OF_CHANNELS+channel] = 0;
39213910

3922-
if (remainingRingBufferByteSize > inIOBufferByteSize)
3923-
{
3924-
// clear the internal ring buffer
3925-
memset(ringBuffer + ringBufferOffset, 0, inIOBufferByteSize);
3926-
}
3927-
else
3928-
{
3929-
// clear the 1st half
3930-
memset(ringBuffer + ringBufferOffset, 0, remainingRingBufferByteSize);
3931-
// clear the 2nd half
3932-
memset(ringBuffer, 0, inIOBufferByteSize - remainingRingBufferByteSize);
3911+
}
39333912
}
39343913
}
3935-
3936-
/* WRITE MIX */
3914+
3915+
// From Application to BlackHole
39373916
if(inOperationID == kAudioServerPlugInIOOperationWriteMix)
39383917
{
3939-
// don't do anything if muted
3940-
if (!(gMute_Input_Master_Value || gMute_Output_Master_Value ))
3941-
{
3942-
/* WRITE MIX TO RINGBUFFER */
3943-
// calculate the ring buffer offset for the first sample OUTPUT
3944-
ringBufferOffset = ((UInt64)(inIOCycleInfo->mOutputTime.mSampleTime * BYTES_PER_FRAME) % RING_BUFFER_SIZE);
3945-
3946-
// calculate the size of the buffer
3947-
inIOBufferByteSize = inIOBufferFrameSize * BYTES_PER_FRAME;
3948-
3949-
// mix the audio
3950-
for(UInt64 sample = 0; sample < inIOBufferByteSize; sample += sizeof(Float32))
3951-
{
3952-
// sample from ioMainBuffer
3953-
Float32* ioSample = ioMainBuffer + sample;
3954-
3955-
// sample from ring buffer
3956-
Float32* ringSample = (Float32*)(ringBuffer + (ringBufferOffset + sample) % RING_BUFFER_SIZE);
3957-
3958-
// mix the two together scale by volume
3959-
*ringSample += *ioSample * gVolume_Output_Master_Value * gVolume_Input_Master_Value;
3918+
3919+
Float32* buffer = (Float32*)ioMainBuffer;
3920+
3921+
UInt64 mSampleTime = inIOCycleInfo->mOutputTime.mSampleTime;
3922+
3923+
for(UInt32 frame = 0; frame < inIOBufferFrameSize; frame++){
3924+
for(int channel = 0; channel < NUMBER_OF_CHANNELS; channel++){
3925+
3926+
// don't do anything if muted
3927+
if (!gMute_Output_Master_Value)
3928+
{
3929+
// write to internal ring buffer
3930+
ringBuffer[((mSampleTime+frame)%kDevice_RingBufferSize)*NUMBER_OF_CHANNELS+channel] += buffer[frame*NUMBER_OF_CHANNELS+channel] * gVolume_Output_Master_Value;
3931+
}
3932+
else
3933+
{
3934+
buffer[frame*NUMBER_OF_CHANNELS+channel] = 0;
3935+
}
3936+
3937+
// clear ring buffer after 8192 samples.
3938+
ringBuffer[((mSampleTime+frame-8192)%kDevice_RingBufferSize)*NUMBER_OF_CHANNELS+channel] = 0;
39603939
}
3961-
}
39623940

3941+
}
3942+
39633943
// clear the io buffer
3964-
memset(ioMainBuffer, 0, inIOBufferByteSize);
3944+
memset(ioMainBuffer, 0, inIOBufferFrameSize * NUMBER_OF_CHANNELS * sizeof(Float32));
39653945
}
39663946

39673947
pthread_mutex_unlock(&gDevice_IOMutex);

‎BlackHole/BlackHole.h‎

Lines changed: 10 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -118,17 +118,19 @@ enum
118118
// multiple devices were supported, this state would need to be encapsulated in one or more structs
119119
// so that each object's state can be tracked individually.
120120
// Note also that we share a single mutex across all objects to be thread safe for the same reason.
121-
#define kPlugIn_BundleID "audio.existential.BlackHole"
121+
122+
123+
#define kPlugIn_BundleID "audio.existential.BlackHole%ich"
122124
static pthread_mutex_t gPlugIn_StateMutex = PTHREAD_MUTEX_INITIALIZER;
123125
static UInt32 gPlugIn_RefCount = 0;
124126
static AudioServerPlugInHostRef gPlugIn_Host = NULL;
125127

126-
#define kBox_UID "BlackHole_UID"
128+
#define kBox_UID "BlackHole%ich_UID"
127129
static CFStringRef gBox_Name = NULL;
128130
static Boolean gBox_Acquired = true;
129131

130-
#define kDevice_UID "BlackHole_UID"
131-
#define kDevice_ModelUID "BlackHole_ModelUID"
132+
#define kDevice_UID "BlackHole%ich_UID"
133+
#define kDevice_ModelUID "BlackHole%ich_ModelUID"
132134
static pthread_mutex_t gDevice_IOMutex = PTHREAD_MUTEX_INITIALIZER;
133135
static Float64 gDevice_SampleRate = 44100.0;
134136
static UInt64 gDevice_IOIsRunning = 0;
@@ -163,11 +165,11 @@ static UInt32 gDataSource_Output_Master_Value = 0;
163165
#define BITS_PER_CHANNEL 32
164166
#define BYTES_PER_CHANNEL (BITS_PER_CHANNEL / 8)
165167
#define BYTES_PER_FRAME (NUMBER_OF_CHANNELS * BYTES_PER_CHANNEL)
166-
#define RING_BUFFER_SIZE ((8192 + LATENCY_FRAME_SIZE) * NUMBER_OF_CHANNELS * BYTES_PER_CHANNEL)
167-
static void* ringBuffer;
168+
#define RING_BUFFER_FRAME_SIZE ((32768 + LATENCY_FRAME_SIZE) * NUMBER_OF_CHANNELS)
169+
static Float32* ringBuffer;
168170
static UInt64 ringBufferOffset = 0;
169-
static UInt64 inIOBufferByteSize = 0;
170-
static UInt64 remainingRingBufferByteSize = 0;
171+
//static UInt64 inIOBufferFrameSize = 0;
172+
static UInt64 remainingRingBufferFrameSize = 0;
171173

172174
//kAudioHardwarePropertySleepingIsAllowed
173175

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