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authorfalkTX <falktx@gmail.com>2019-01-24 11:49:56 +0100
committerfalkTX <falktx@gmail.com>2019-01-24 11:49:56 +0100
commitf73640618c6b9dde4854b1f847f10fdcb5c5b52f (patch)
treea9e0b165cc512c3986b1cce3bdec521545066a35 /distrho/src/CoreAudio106/AudioUnits/AUPublic/Utility/AUBaseHelper.cpp
parent9f8ff46e7ddef2224fcf432bc4dc410e4b3d003e (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-xdistrho/src/CoreAudio106/AudioUnits/AUPublic/Utility/AUBaseHelper.cpp128
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
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+++ b/distrho/src/CoreAudio106/AudioUnits/AUPublic/Utility/AUBaseHelper.cpp
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+/* 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
+