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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. */ /*! * @header IOAudioBlitterLibDispatch */ #ifndef __IOAudioBlitterLibDispatch_h__ #define __IOAudioBlitterLibDispatch_h__ #include <libkern/OSTypes.h> #pragma mark - #pragma mark Alternate names // Alternate names for the functions below: these explicitly specify the endianness of the integer format instead of "native"/"swap" #if TARGET_RT_BIG_ENDIAN #define IOAF_BEInt16ToFloat32 IOAF_NativeInt16ToFloat32 #define IOAF_LEInt16ToFloat32 IOAF_SwapInt16ToFloat32 #define IOAF_BEInt24ToFloat32 IOAF_NativeInt24ToFloat32 #define IOAF_LEInt24ToFloat32 IOAF_SwapInt24ToFloat32 #define IOAF_BEInt32ToFloat32 IOAF_NativeInt32ToFloat32 #define IOAF_LEInt32ToFloat32 IOAF_SwapInt32ToFloat32 #define IOAF_Float32ToBEInt16 IOAF_Float32ToNativeInt16 #define IOAF_Float32ToLEInt16 IOAF_Float32ToSwapInt16 #define IOAF_Float32ToBEInt24 IOAF_Float32ToNativeInt24 #define IOAF_Float32ToLEInt24 IOAF_Float32ToSwapInt24 #define IOAF_Float32ToBEInt32 IOAF_Float32ToNativeInt32 #define IOAF_Float32ToLEInt32 IOAF_Float32ToSwapInt32 #else #define IOAF_LEInt16ToFloat32 IOAF_NativeInt16ToFloat32 #define IOAF_BEInt16ToFloat32 IOAF_SwapInt16ToFloat32 #define IOAF_LEInt24ToFloat32 IOAF_NativeInt24ToFloat32 #define IOAF_BEInt24ToFloat32 IOAF_SwapInt24ToFloat32 #define IOAF_LEInt32ToFloat32 IOAF_NativeInt32ToFloat32 #define IOAF_BEInt32ToFloat32 IOAF_SwapInt32ToFloat32 #define IOAF_Float32ToLEInt16 IOAF_Float32ToNativeInt16 #define IOAF_Float32ToBEInt16 IOAF_Float32ToSwapInt16 #define IOAF_Float32ToLEInt24 IOAF_Float32ToNativeInt24 #define IOAF_Float32ToBEInt24 IOAF_Float32ToSwapInt24 #define IOAF_Float32ToLEInt32 IOAF_Float32ToNativeInt32 #define IOAF_Float32ToBEInt32 IOAF_Float32ToSwapInt32 #endif /*! * @typedef Float32 * @abstract Convenience type that represent a 32-bit floating point number */ typedef float Float32; /*! * @typedef Float64 * @abstract Convenience type that represent a 64-bit floating point number */ typedef double Float64; /*! * @function IOAF_NativeInt16ToFloat32 * @abstract Converts native 16-bit integer float to 32-bit float * @param src Pointer to the data to convert * @param dest Pointer to the converted data * @param count The number of items to convert */ extern void IOAF_NativeInt16ToFloat32( const SInt16 *src, Float32 *dest, unsigned int count ); /*! * @function IOAF_SwapInt16ToFloat32 * @abstract Converts non-native 16-bit integer float to 32-bit float * @param src Pointer to the data to convert * @param dest Pointer to the converted data * @param count The number of items to convert */ extern void IOAF_SwapInt16ToFloat32( const SInt16 *src, Float32 *dest, unsigned int count ); /*! * @function IOAF_NativeInt24ToFloat32 * @abstract Converts native 24-bit integer float to 32-bit float * @param src Pointer to the data to convert * @param dest Pointer to the converted data * @param count The number of items to convert */ extern void IOAF_NativeInt24ToFloat32( const UInt8 *src, Float32 *dest, unsigned int count ); /*! * @function IOAF_SwapInt24ToFloat32 * @abstract Converts non-native 24-bit integer float to 32-bit float * @param src Pointer to the data to convert * @param dest Pointer to the converted data * @param count The number of items to convert */ extern void IOAF_SwapInt24ToFloat32( const UInt8 *src, Float32 *dest, unsigned int count ); /*! * @function IOAF_NativeInt32ToFloat32 * @abstract Converts native 32-bit integer float to 32-bit float * @param src Pointer to the data to convert * @param dest Pointer to the converted data * @param count The number of items to convert */ extern void IOAF_NativeInt32ToFloat32( const SInt32 *src, Float32 *dest, unsigned int count ); /*! * @function IOAF_SwapInt32ToFloat32 * @abstract Converts non-native 32-bit integer float to 32-bit float * @param src Pointer to the data to convert * @param dest Pointer to the converted data * @param count The number of items to convert */ extern void IOAF_SwapInt32ToFloat32( const SInt32 *src, Float32 *dest, unsigned int count ); /*! * @function IOAF_Float32ToNativeInt16 * @abstract Converts 32-bit floating point to native 16-bit integer * @param src Pointer to the data to convert * @param dest Pointer to the converted data * @param count The number of items to convert */ extern void IOAF_Float32ToNativeInt16( const Float32 *src, SInt16 *dest, unsigned int count ); /*! * @function IOAF_Float32ToSwapInt16 * @abstract Converts 32-bit floating point to non-native 16-bit integer * @param src Pointer to the data to convert * @param dest Pointer to the converted data * @param count The number of items to convert */ extern void IOAF_Float32ToSwapInt16( const Float32 *src, SInt16 *dest, unsigned int count ); /*! * @function IOAF_Float32ToNativeInt24 * @abstract Converts 32-bit floating point to native 24-bit integer * @param src Pointer to the data to convert * @param dest Pointer to the converted data * @param count The number of items to convert */ extern void IOAF_Float32ToNativeInt24( const Float32 *src, UInt8 *dest, unsigned int count ); /*! * @function IOAF_Float32ToSwapInt24 * @abstract Converts 32-bit floating point to non-native 24-bit integer * @param src Pointer to the data to convert * @param dest Pointer to the converted data * @param count The number of items to convert */ extern void IOAF_Float32ToSwapInt24( const Float32 *src, UInt8 *dest, unsigned int count ); /*! * @function IOAF_Float32ToNativeInt32 * @abstract Converts 32-bit floating point to native 32-bit integer * @param src Pointer to the data to convert * @param dest Pointer to the converted data * @param count The number of items to convert */ extern void IOAF_Float32ToNativeInt32( const Float32 *src, SInt32 *dest, unsigned int count ); /*! * @function IOAF_Float32ToSwapInt32 * @abstract Converts 32-bit floating point to non-native 32-bit integer * @param src Pointer to the data to convert * @param dest Pointer to the converted data * @param count The number of items to convert */ extern void IOAF_Float32ToSwapInt32( const Float32 *src, SInt32 *dest, unsigned int count ); /*! * @function IOAF_bcopy_WriteCombine * @abstract An efficient bcopy from "write combine" memory to regular memory. It is safe to assume that all memory has been copied when the function has completed * @param src Pointer to the data to convert * @param dest Pointer to the converted data * @param count The number of items to convert */ extern void IOAF_bcopy_WriteCombine(const void *src, void *dest, unsigned int count ); #endif // __IOAudioBlitterLibDispatch_h__