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- /*------------------------------------------------------------------------------
- -- --
- -- This software is confidential and proprietary and may be used --
- -- only as expressly authorized by a licensing agreement from --
- -- --
- -- Hantro Products Oy. --
- -- --
- -- (C) COPYRIGHT 2006 HANTRO PRODUCTS OY --
- -- ALL RIGHTS RESERVED --
- -- --
- -- The entire notice above must be reproduced --
- -- on all copies and should not be removed. --
- -- --
- --------------------------------------------------------------------------------
- --
- -- Description : Utility macros and functions
- --
- --------------------------------------------------------------------------------
- --
- -- Version control information, please leave untouched.
- --
- -- $RCSfile: vc1hwd_util.h,v $
- -- $Revision: 1.2 $
- -- $Date: 2007/11/19 13:00:43 $
- --
- ------------------------------------------------------------------------------*/
- #ifndef VC1HWD_UTIL_H
- #define VC1HWD_UTIL_H
- /*------------------------------------------------------------------------------
- Include headers
- ------------------------------------------------------------------------------*/
- #include "basetype.h"
- #ifdef _ASSERT_USED
- #include <assert.h>
- #endif
- #if defined(_DEBUG_PRINT) || defined(_ERROR_PRINT)
- #include <stdio.h>
- #endif
- /*------------------------------------------------------------------------------
- Module defines
- ------------------------------------------------------------------------------*/
- #define HANTRO_OK 0
- #define HANTRO_NOK 1
- #define HANTRO_TRUE 1
- #define HANTRO_FALSE 0
- #ifndef NULL
- #define NULL 0
- #endif
- /* value to be returned by GetBits if stream buffer is empty */
- #define END_OF_STREAM 0xFFFFFFFFU
- /* macro for assertion, used only if compiler flag _ASSERT_USED is defined */
- #ifdef _ASSERT_USED
- #define ASSERT(expr) assert(expr)
- #else
- #define ASSERT(expr)
- #endif
- /* macro for debug printing, used only if compiler flag _DEBUG_PRINT is
- * defined */
- #ifdef _DEBUG_PRINT
- #define DPRINT(args) printf args ; fflush(stdout)
- #else
- #define DPRINT(args)
- #endif
- /* macro for error printing, used only if compiler flag _ERROR_PRINT is
- * defined */
- #ifdef _ERROR_PRINT
- #define EPRINT(msg) fprintf(stderr,"ERROR: %s\n",msg)
- #else
- #define EPRINT(msg)
- #endif
- /* macro to get smaller of two values */
- #define MIN(a, b) (((a) < (b)) ? (a) : (b))
- /* macro to get greater of two values */
- #define MAX(a, b) (((a) > (b)) ? (a) : (b))
- /* macro to get absolute value */
- #define ABS(a) (((a) < 0) ? -(a) : (a))
- /* macro to clip a value z, so that x <= z =< y */
- #define CLIP3(x,y,z) (((z) < (x)) ? (x) : (((z) > (y)) ? (y) : (z)))
- /* macro to clip a value z, so that 0 <= z =< 255 */
- #define CLIP1(z) (((z) < 0) ? 0 : (((z) > 255) ? 255 : (z)))
- /*------------------------------------------------------------------------------
- Data types
- ------------------------------------------------------------------------------*/
- /*------------------------------------------------------------------------------
- Function prototypes
- ------------------------------------------------------------------------------*/
- #endif /* #ifndef VC1HWD_UTIL_H */
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