videoeditorengine/audioeditorengine/resampler/inc/resampler_common_defs.h
changeset 0 951a5db380a0
equal deleted inserted replaced
-1:000000000000 0:951a5db380a0
       
     1 #ifndef __RESAMPLER_COMMON_DEFS_H__
       
     2 #define __RESAMPLER_COMMON_DEFS_H__
       
     3 /*
       
     4 * Copyright (c) 2010 Ixonos Plc.
       
     5 * All rights reserved.
       
     6 * This component and the accompanying materials are made available
       
     7 * under the terms of the "Eclipse Public License v1.0"
       
     8 * which accompanies this distribution, and is available
       
     9 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
    10 *
       
    11 * Initial Contributors:
       
    12 * Nokia Corporation - Initial contribution
       
    13 *
       
    14 * Contributors:
       
    15 * Ixonos Plc
       
    16 *
       
    17 * Description:
       
    18 *
       
    19 */
       
    20 
       
    21 
       
    22 
       
    23 /* Definitions for the FORCEINLINE macro. This is makes some of the 
       
    24  * optimized versions far more easy to read.
       
    25  */
       
    26 
       
    27 #if (!defined(__WINSCW__))
       
    28 #define FORCEINLINE __forceinline
       
    29 
       
    30 #else
       
    31 #define FORCEINLINE inline
       
    32 
       
    33 #endif // __WINSCW__
       
    34 
       
    35 /* Definitions for the packed struct.
       
    36  */
       
    37 #if (!defined(__WINSCW__))
       
    38 #undef  PACKED_RVCT
       
    39 #define PACKED_RVCT  __packed
       
    40 #undef  PACKED_GCC
       
    41 #define PACKED_GCC
       
    42 
       
    43 #else
       
    44 #undef  PACKED_RVCT
       
    45 #define PACKED_RVCT
       
    46 #undef  PACKED_GCC
       
    47 #define PACKED_GCC
       
    48 
       
    49 #endif // __WINSCW__
       
    50 
       
    51 /* Definitions for the min and max macros */
       
    52 #define EAP_MAX(a, b) (((a)>=(b)) ? (a) : (b))
       
    53 #define EAP_MIN(a, b) (((a)<(b)) ? (a) : (b))
       
    54 
       
    55 #undef FLT_MAX
       
    56 #define FLT_MAX  3.40282347e+38F
       
    57 
       
    58 
       
    59 /* Handle stuff. */
       
    60 
       
    61 /** Declare a handle type corresponding to type @c aType.
       
    62  *
       
    63  *  For example, calling this macro with @c aType being @c X declares
       
    64  *  handle type @c XHandle. */
       
    65 /* Defining handle types this way is safer than just typedef'ing void
       
    66  * pointers, because the compiler is then able to catch more kinds of
       
    67  * handle misusage. */
       
    68 #define DECLARE_HANDLE_TYPE(aType)                     \
       
    69         struct aType##HandleTag { int m_dummy; };      \
       
    70         typedef struct aType##HandleTag* aType##Handle
       
    71 
       
    72 /** @return A pointer to the instance of type @c aType, and associated
       
    73  *          with @c aHandle. */
       
    74 #define HANDLE_TO_PINST(aType, aHandle) ((aType*)aHandle)
       
    75 
       
    76 /** @return A handle associated with the pointer to the instance of type
       
    77  *          @c aType. */
       
    78 #define PINST_TO_HANDLE(aType, pInstance) ((aType##Handle)pInstance)
       
    79 
       
    80 #endif  /* __RESAMPLER_COMMON_DEFS_H__ */