_mac_2_ak_platform_funcs_8h

Wwise SDK 2024.1.4

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 released in source code form as part of the SDK installer package.
  
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 may use this file in accordance with the end user license agreement provided 
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 Alternatively, this file may be used under the Apache License, Version 2.0 (the 
 "Apache License"); you may not use this file except in compliance with the 
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 http://www.apache.org/licenses/LICENSE-2.0.
  
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   Copyright (c) 2025 Audiokinetic Inc.
 *******************************************************************************/
  
 #pragma once
  
 #include <AK/Tools/Common/AkAssert.h>
 #include <AK/SoundEngine/Common/AkTypes.h>
  
 #include <mach/task.h>
 #include <mach/semaphore.h>
 #include <CoreFoundation/CFString.h>
 #include <libkern/OSAtomic.h>
 #include <mach/task.h>
 #include <mach/mach_init.h>
 #include <time.h>
 #include <wchar.h>
  
 #define AK_SEC_TO_NANOSEC 1000000000ULL
  
 namespace AKPLATFORM
 {
     extern inline size_t AkUtf16StrLen( const AkUtf16* in_pStr );
     // Simple automatic event API
     // ------------------------------------------------------------------
     
     /// Platform Independent Helper
     inline void AkClearEvent( AkEvent & out_event )
     {
         out_event = 0;
     }
     
     /// Platform Independent Helper
     inline AKRESULT AkCreateEvent( AkEvent & out_event )
     {
         kern_return_t ret = semaphore_create(   
                             mach_task_self(),
                             &out_event,
                             SYNC_POLICY_FIFO,
                             0 );
         
         return ( ret == noErr  ) ? AK_Success : AK_Fail;
     }
  
     /// Platform Independent Helper
     inline void AkDestroyEvent( AkEvent & io_event )
     {
         if( io_event != 0 )
         {
             AKVERIFY( semaphore_destroy( mach_task_self(), io_event ) == noErr);
         }
         io_event = 0;
     }
     
     /// Platform Independent Helper
     inline void AkWaitForEvent( AkEvent & in_event )
     {
         AKVERIFY( semaphore_wait( in_event ) == noErr );
     }
     
  
     /// Platform Independent Helper
     inline void AkSignalEvent( const AkEvent & in_event )
     {
         AKVERIFY( semaphore_signal( in_event ) == noErr );
     }
     
  
     /// Platform Independent Helper
     AkForceInline void AkClearSemaphore(AkSemaphore& io_semaphore)
     {
         io_semaphore = 0;
     }
  
     /// Platform Independent Helper
     inline AKRESULT AkCreateSemaphore( AkSemaphore& out_semaphore, AkUInt32 in_initialCount )
     {
         kern_return_t ret = semaphore_create(   
                             mach_task_self(),
                             &out_semaphore,
                             SYNC_POLICY_FIFO,
                             in_initialCount );
         
         return ( ret == noErr  ) ? AK_Success : AK_Fail;    
     }
  
     /// Platform Independent Helper
     inline void AkDestroySemaphore( AkSemaphore& io_semaphore )
     {
         AKVERIFY(semaphore_destroy(mach_task_self(), io_semaphore) == noErr);
     }
  
     /// Platform Independent Helper - Semaphore wait, aka Operation P. Decrements value of semaphore, and, if the semaphore would be less than 0, waits for the semaphore to be released.
     inline void AkWaitForSemaphore(AkSemaphore& in_semaphore)
     {
         AKVERIFY(semaphore_wait(in_semaphore) == noErr);
     }
  
     /// Platform Independent Helper - Semaphore signal, aka Operation V. Increments value of semaphore by an arbitrary count.
     inline void AkReleaseSemaphore(AkSemaphore& in_semaphore, AkUInt32 in_count)
     {
         for (int i=0; i < in_count; i++)
         {
             AKVERIFY(semaphore_signal(in_semaphore) == noErr);
         }
     }
     
     // Time functions
     // ------------------------------------------------------------------
  
     /// Platform Independent Helper
     inline void PerformanceCounter( AkInt64 * out_piLastTime )
     {
         struct timespec clockNow;
         clock_gettime(CLOCK_MONOTONIC, &clockNow);
         //This give the wallclock time in NS
         *out_piLastTime = clockNow.tv_sec*AK_SEC_TO_NANOSEC + clockNow.tv_nsec;
     }
  
     /// Platform Independent Helper
     inline void PerformanceFrequency( AkInt64 * out_piFreq )
     {
         //Since Wall Clock is used, 1 NS is the frequency independent of the clock resolution
         *out_piFreq = AK_SEC_TO_NANOSEC;
     }
  
  
     template<class destType, class srcType>
     inline size_t AkMacConvertString( destType* in_pdDest, const srcType* in_pSrc, size_t in_MaxSize, size_t destStrLen(const destType *),  size_t srcStrLen(const srcType *) )
     { 
         CFStringBuiltInEncodings dstEncoding;       
         CFStringBuiltInEncodings srcEncoding;
         switch(sizeof(destType))
         {
             case 1:
                 dstEncoding = kCFStringEncodingUTF8;
                 break;
             case 2:
                 dstEncoding = kCFStringEncodingUTF16LE;
                 break;
             case 4:
                 dstEncoding = kCFStringEncodingUTF32LE;
                 break;
             default:
                 AKASSERT(!"Invalid Char size");
         }
         
         switch(sizeof(srcType))
         {
             case 1:
                 srcEncoding = kCFStringEncodingUTF8;
                 break;
             case 2:
                 srcEncoding = kCFStringEncodingUTF16LE;
                 break;
             case 4:
                 srcEncoding = kCFStringEncodingUTF32LE;
                 break;
             default:
                 AKASSERT(!"Invalid Char size");
         }
         
         CFStringRef strRef;
         strRef = CFStringCreateWithBytes(   nil, 
                                          (UInt8 *) in_pSrc,
                                          (srcStrLen( in_pSrc ) + 1) * sizeof(srcType),
                                          srcEncoding,
                                          false );
         CFRange rangeToProcess = CFRangeMake(0, CFStringGetLength(strRef));
         CFIndex sizeConverted = CFStringGetBytes(strRef, rangeToProcess, dstEncoding, '?', false, (UInt8 *)in_pdDest , in_MaxSize * sizeof(destType), NULL);
         
         //WG-28497 Memory leak when converting strings on Mac & iOS
         CFRelease(strRef);
         
         return sizeConverted;
     }
  
     #define CONVERT_UTF16_TO_WCHAR( _astring_, _wcharstring_ ) \
         _wcharstring_ = (wchar_t*)AkAlloca( (1 + AKPLATFORM::AkUtf16StrLen((const AkUtf16*)_astring_)) * sizeof(wchar_t) ); \
         AK_UTF16_TO_WCHAR(  _wcharstring_, (const AkUtf16*)_astring_, AKPLATFORM::AkUtf16StrLen((const AkUtf16*)_astring_)+1 )
     
     #define CONVERT_WCHAR_TO_UTF16( _astring_, _utf16string_ ) \
         _utf16string_ = (AkUtf16*)AkAlloca( (1 + wcslen(_astring_)) * sizeof(AkUtf16) ); \
         AK_WCHAR_TO_UTF16(  _utf16string_, (const wchar_t*)_astring_, wcslen(_astring_)+1 )
  
     #define CONVERT_OSCHAR_TO_UTF16( _astring_, _utf16string_ ) \
         _utf16string_ = (AkUtf16*)AkAlloca( (1 + strlen(_astring_)) * sizeof(AkUtf16) ); \
         AK_OSCHAR_TO_UTF16( _utf16string_, (const AkOSChar*)_astring_, strlen(_astring_)+1 )
  
     #define CONVERT_UTF16_TO_OSCHAR( _astring_, _oscharstring_ ) \
         _oscharstring_ = (AkOSChar*)AkAlloca( (1 + AKPLATFORM::AkUtf16StrLen((const AkUtf16*)_astring_)) * sizeof(AkOSChar) ); \
         AK_UTF16_TO_OSCHAR( _oscharstring_, (const AkUtf16*)_astring_, AKPLATFORM::AkUtf16StrLen((const AkUtf16*)_astring_)+1 ) 
  
     #define AK_UTF8_TO_OSCHAR(  in_pdDest, in_pSrc, in_MaxSize )    AKPLATFORM::AkMacConvertString<AkOSChar, char>( in_pdDest, in_pSrc, in_MaxSize, strlen, strlen )
     #define AK_UTF16_TO_WCHAR(  in_pdDest, in_pSrc, in_MaxSize )    AKPLATFORM::AkMacConvertString<wchar_t, AkUtf16>(   in_pdDest, in_pSrc, in_MaxSize, &wcslen , &AKPLATFORM::AkUtf16StrLen)
     #define AK_WCHAR_TO_UTF16(  in_pdDest, in_pSrc, in_MaxSize )    AKPLATFORM::AkMacConvertString<AkUtf16, wchar_t>(   in_pdDest, in_pSrc, in_MaxSize, &AKPLATFORM::AkUtf16StrLen, &wcslen )
     #define AK_UTF16_TO_OSCHAR( in_pdDest, in_pSrc, in_MaxSize )    AKPLATFORM::AkMacConvertString<AkOSChar, AkUtf16>(  in_pdDest, in_pSrc, in_MaxSize, strlen, AKPLATFORM::AkUtf16StrLen )
     #define AK_UTF16_TO_CHAR(   in_pdDest, in_pSrc, in_MaxSize )    AKPLATFORM::AkMacConvertString<char, AkUtf16>(  in_pdDest, in_pSrc, in_MaxSize, strlen, AKPLATFORM::AkUtf16StrLen )
     #define AK_CHAR_TO_UTF16(   in_pdDest, in_pSrc, in_MaxSize )    AKPLATFORM::AkMacConvertString<AkUtf16, char>(  in_pdDest, in_pSrc, in_MaxSize, AKPLATFORM::AkUtf16StrLen, strlen)  
     #define AK_OSCHAR_TO_UTF16( in_pdDest, in_pSrc, in_MaxSize )    AKPLATFORM::AkMacConvertString<AkUtf16, AkOSChar>(  in_pdDest, in_pSrc, in_MaxSize, AKPLATFORM::AkUtf16StrLen, strlen)  
     
     /// Stack allocations.
     #define AkAlloca( _size_ ) alloca( _size_ )
  
 #if __BIGGEST_ALIGNMENT__ < AK_SIMD_ALIGNMENT
     #define AkAllocaSIMD( _size_ ) __builtin_alloca_with_align( _size_, AK_SIMD_ALIGNMENT*8 )
 #endif
  
     #define AK_LIBRARY_PREFIX               ("")
     #define AK_DYNAMIC_LIBRARY_EXTENSION    (".dylib")
  
     #define AK_FILEHANDLE_TO_UINTPTR(_h) ((AkUIntPtr)_h)
     #define AK_SET_FILEHANDLE_TO_UINTPTR(_h,_u) _h = (AkFileHandle)_u
  
 }

AKPLATFORM::AkCreateSemaphore

AKRESULT AkCreateSemaphore(AkSemaphore &out_semaphore, AkUInt32 in_initialCount)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:98

AKPLATFORM::AkUtf16StrLen

size_t AkUtf16StrLen(const AkUtf16 *in_pStr)

Definition: AkPlatformFuncs.h:525

AK_Fail

@ AK_Fail

The operation failed.

Definition: AkTypes.h:137

AkEvent

semaphore_t AkEvent

Definition: AkTypes.h:84

AKPLATFORM::AkClearEvent

void AkClearEvent(AkEvent &out_event)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:50

AKPLATFORM::AkClearSemaphore

AkForceInline void AkClearSemaphore(AkSemaphore &io_semaphore)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:92

AKPLATFORM

Platform-dependent helpers.

Definition: AkAtomicSpinFuncs.h:49

AKPLATFORM::AkWaitForEvent

void AkWaitForEvent(AkEvent &in_event)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:78

AKRESULT

Standard function call result.

Definition: AkTypes.h:134

NULL

#define NULL

Definition: AkTypes.h:46

AK_Success

@ AK_Success

The operation was successful.

Definition: AkTypes.h:136

AkUtf16

AkUInt16 AkUtf16

Definition: AkTypes.h:61

AKPLATFORM::PerformanceCounter

void PerformanceCounter(AkInt64 *out_piLastTime)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:42

AKPLATFORM::AkMacConvertString

size_t AkMacConvertString(destType *in_pdDest, const srcType *in_pSrc, size_t in_MaxSize, size_t destStrLen(const destType *), size_t srcStrLen(const srcType *))

Definition: AkPlatformFuncs.h:151

AKPLATFORM::AkDestroySemaphore

void AkDestroySemaphore(AkSemaphore &io_semaphore)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:110

AKPLATFORM::AkDestroyEvent

void AkDestroyEvent(AkEvent &io_event)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:68

AKASSERT

#define AKASSERT(Condition)

Definition: AkAssert.h:67