portab.h

基于Linux的ffmepg decoder

/*****************************************************************************
 *  Common things
 ****************************************************************************/

#if defined(LINUX)
	#define __int64		long long
	#define __align8 	__attribute__ ((aligned (8)))
	#define __align16 	__attribute__ ((aligned (16)))
#else		/// CodeWarrior
	#define __align16 	__align(16)
#endif

/* Debug level masks */
#define DPRINTF_ERROR		0x00000001
#define DPRINTF_STARTCODE	0x00000002
#define DPRINTF_HEADER		0x00000004
#define DPRINTF_TIMECODE	0x00000008
#define DPRINTF_MB			0x00000010
#define DPRINTF_COEFF		0x00000020
#define DPRINTF_MV			0x00000040
#define DPRINTF_DEBUG		0x80000000
#define strid_cons			0x1a0
#define strid2_cons			0xd0
//#define strid_cons		0xf0
//#define strid2_cons		0x78

/* debug level for this library */
#define DPRINTF_LEVEL		0

/* Buffer size for non C99 compliant compilers (msvc) */
#define DPRINTF_BUF_SZ  	1024

/*****************************************************************************
 *  Types used in XviD sources
 ****************************************************************************/

/*----------------------------------------------------------------------------
 | Standard Unix include file (sorry, we put all unix into "linux" case)
 *---------------------------------------------------------------------------*/

#ifndef uint8_t
#    define boolean int
#    define int8_t   char
#    define uint8_t  unsigned char
#    define int16_t  short
#    define uint16_t unsigned short
#    define int32_t  int
#    define uint32_t unsigned int
#    define int64_t  __int64
#    define uint64_t unsigned __int64
#endif
#define bool int

/*****************************************************************************
 *  Some things that are only architecture dependant
 ****************************************************************************/
#    define CACHE_LINE  16
#    define ptr_t uint32_t







/*****************************************************************************
 *  Things that must be sorted by compiler and then by architecture
 ****************************************************************************/

/*****************************************************************************
 *  MSVC compiler specific macros, functions
 ****************************************************************************/

/*----------------------------------------------------------------------------
 | Common gcc stuff
 *---------------------------------------------------------------------------*/

/*
 * As gcc is (mostly) C99 compliant, we define DPRINTF only if it's realy needed
 * and it's a macro calling fprintf directly
 */
#        define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \
                type name##_storage[(sizex)*(sizey)+(alignment)-1]; \
                type * name = (type *) (((int32_t) name##_storage+(alignment - 1)) & ~((int32_t)(alignment)-1))

/*----------------------------------------------------------------------------
 | gcc SPARC specific macros/functions
 *---------------------------------------------------------------------------*/
#        define BSWAP(a) \
                ((a) = (((a) & 0xff) << 24)  | (((a) & 0xff00) << 8) | \
                       (((a) >> 8) & 0xff00) | (((a) >> 24) & 0xff))