diff options
author | falkTX <falktx@gmail.com> | 2019-01-24 11:49:56 +0100 |
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committer | falkTX <falktx@gmail.com> | 2019-01-24 11:49:56 +0100 |
commit | f73640618c6b9dde4854b1f847f10fdcb5c5b52f (patch) | |
tree | a9e0b165cc512c3986b1cce3bdec521545066a35 /distrho/src/CoreAudio106/AudioUnits/AUPublic/Utility/AUBaseHelper.cpp | |
parent | 9f8ff46e7ddef2224fcf432bc4dc410e4b3d003e (diff) |
Add CoreAudio 10.6 files
Signed-off-by: falkTX <falktx@gmail.com>
Diffstat (limited to 'distrho/src/CoreAudio106/AudioUnits/AUPublic/Utility/AUBaseHelper.cpp')
-rwxr-xr-x | distrho/src/CoreAudio106/AudioUnits/AUPublic/Utility/AUBaseHelper.cpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/distrho/src/CoreAudio106/AudioUnits/AUPublic/Utility/AUBaseHelper.cpp b/distrho/src/CoreAudio106/AudioUnits/AUPublic/Utility/AUBaseHelper.cpp new file mode 100755 index 00000000..9f73c36f --- /dev/null +++ b/distrho/src/CoreAudio106/AudioUnits/AUPublic/Utility/AUBaseHelper.cpp @@ -0,0 +1,128 @@ +/* Copyright © 2007 Apple Inc. All Rights Reserved. + + Disclaimer: IMPORTANT: This Apple software is supplied to you by + Apple Inc. ("Apple") in consideration of your agreement to the + following terms, and your use, installation, modification or + redistribution of this Apple software constitutes acceptance of these + terms. If you do not agree with these terms, please do not use, + install, modify or redistribute this Apple software. + + In consideration of your agreement to abide by the following terms, and + subject to these terms, Apple grants you a personal, non-exclusive + license, under Apple's copyrights in this original Apple software (the + "Apple Software"), to use, reproduce, modify and redistribute the Apple + Software, with or without modifications, in source and/or binary forms; + provided that if you redistribute the Apple Software in its entirety and + without modifications, you must retain this notice and the following + text and disclaimers in all such redistributions of the Apple Software. + Neither the name, trademarks, service marks or logos of Apple Inc. + may be used to endorse or promote products derived from the Apple + Software without specific prior written permission from Apple. Except + as expressly stated in this notice, no other rights or licenses, express + or implied, are granted by Apple herein, including but not limited to + any patent rights that may be infringed by your derivative works or by + other works in which the Apple Software may be incorporated. + + The Apple Software is provided by Apple on an "AS IS" basis. APPLE + MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION + THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND + OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. + + IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL + OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, + MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED + AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), + STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ +#include "AUBaseHelper.h" + +#if !defined(__COREAUDIO_USE_FLAT_INCLUDES__) + #include <AudioUnit/AudioUnitProperties.h> +#else + #include <AudioUnitProperties.h> +#endif + +OSStatus GetFileRefPath (CFDictionaryRef parent, CFStringRef frKey, CFStringRef * fPath) +{ + static CFStringRef kFRString = CFSTR (kAUPresetExternalFileRefs); + + const void* frVal = CFDictionaryGetValue(parent, kFRString); + if (!frVal) return kAudioUnitErr_InvalidPropertyValue; + + const void* frString = CFDictionaryGetValue ((CFDictionaryRef)frVal, frKey); + if (!frString) return kAudioUnitErr_InvalidPropertyValue; + + if (fPath) + *fPath = (CFStringRef)frString; + + return noErr; +} + +// write valid samples check, with bool for zapping + +UInt32 FindInvalidSamples(Float32 *inSource, UInt32 inFramesToProcess, bool &outHasNonZero, bool zapInvalidSamples) +{ + float *sourceP = inSource; + + UInt32 badSamplesDetected = 0; + bool hasNonZero = false; + for (UInt32 i=0; i < inFramesToProcess; i++) + { + float input = *(sourceP++); + + if(input > 0) + hasNonZero = true; + + float absx = fabs(input); + + // a bad number! + if (!(absx < 1e15)) + { + if (!(absx == 0)) + { + //printf("\tbad sample: %f\n", input); + badSamplesDetected++; + if (zapInvalidSamples) + input = 0; + } + } + } + + return badSamplesDetected; +} + + +CFMutableDictionaryRef CreateFileRefDict (CFStringRef fKey, CFStringRef fPath, CFMutableDictionaryRef fileRefDict) +{ + if (!fileRefDict) + fileRefDict = CFDictionaryCreateMutable (NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); + + CFDictionarySetValue (fileRefDict, fKey, fPath); + + return fileRefDict; +} + +#if DEBUG +//_____________________________________________________________________________ +// +void PrintAUParamEvent (AudioUnitParameterEvent& event, FILE* f) +{ + bool isRamp = event.eventType == kParameterEvent_Ramped; + fprintf (f, "\tParamID=%ld,Scope=%ld,Element=%ld\n", (long)event.parameter, (long)event.scope, (long)event.element); + fprintf (f, "\tEvent Type:%s,", (isRamp ? "ramp" : "immediate")); + if (isRamp) + fprintf (f, "start=%ld,dur=%ld,startValue=%f,endValue=%f\n", + (long)event.eventValues.ramp.startBufferOffset, (long)event.eventValues.ramp.durationInFrames, + event.eventValues.ramp.startValue, event.eventValues.ramp.endValue); + else + fprintf (f, "start=%ld,value=%f\n", + (long)event.eventValues.immediate.bufferOffset, + event.eventValues.immediate.value); + fprintf (f, "- - - - - - - - - - - - - - - -\n"); +} +#endif + |