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Revision 1.29 - (download) (annotate)
Sun Sep 22 17:25:13 2002 UTC (17 years ago) by edgomez
Branch: MAIN
Changes since 1.28: +5 -9 lines
- Changed DECLARE_ALIGNED_MATRIX
/*****************************************************************************
 *
 *  XVID MPEG-4 VIDEO CODEC
 *  - Portable macros, types and inlined assembly -
 *
 *  Copyright(C) 2002 Michael Militzer
 *
 *  This program is an implementation of a part of one or more MPEG-4
 *  Video tools as specified in ISO/IEC 14496-2 standard.  Those intending
 *  to use this software module in hardware or software products are
 *  advised that its use may infringe existing patents or copyrights, and
 *  any such use would be at such party's own risk.  The original
 *  developer of this software module and his/her company, and subsequent
 *  editors and their companies, will have no liability for use of this
 *  software or modifications or derivatives thereof.
 *
 *  This program is free software ; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation ; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY ; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program ; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 * $Id: portab.h,v 1.29 2002/09/22 17:25:13 edgomez Exp $
 *
 ****************************************************************************/

#ifndef _PORTAB_H_
#define _PORTAB_H_

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

/* 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

/* 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)
 *---------------------------------------------------------------------------*/

#if defined(LINUX) || defined(BEOS) || defined(FREEBSD)

/* All (u)int(size)_t types are defined here */
#    include <inttypes.h>

/*----------------------------------------------------------------------------
 | msvc (lacks such a header file)
 *---------------------------------------------------------------------------*/

#elif defined(_MSC_VER)
#    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

/*----------------------------------------------------------------------------
 | Fallback when using gcc
 *---------------------------------------------------------------------------*/

#elif defined(__GNUC__)

#    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  long long
#    define uint64_t unsigned long long

/*----------------------------------------------------------------------------
 | Ok, we don't know how to define these types... error
 *---------------------------------------------------------------------------*/

#else
#    error Do not know how to define (u)int(size)_t types
#endif

/*****************************************************************************
 *  Some things that are only architecture dependant
 ****************************************************************************/

#if defined(ARCH_X86) || defined(ARCH_PPC) || defined(ARCH_MIPS)
#    define CACHE_LINE  16
#    define ptr_t uint32_t
#elif defined(ARCH_IA64) || defined(ARCH_SPARC)
#    define CACHE_LINE  32
#    define ptr_t uint64_t
#else
#    error Architecture not supported.
#endif

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

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

#if defined(_MSC_VER)

/*----------------------------------------------------------------------------
 | Common msvc stuff
 *---------------------------------------------------------------------------*/

#include <windows.h>
#include <stdio.h>

    /*
     * This function must be declared/defined all the time because MSVC does
     * not support C99 variable arguments macros
     */
    static __inline void DPRINTF(int level, char *fmt, ...)
    {
        if (DPRINTF_LEVEL & level) {
            va_list args;
            char buf[DPRINTF_BUF_SZ];
            va_start(args, fmt);
            vsprintf(buf, fmt, args);
            OutputDebugString(buf);
            fprintf(stderr, "%s\n", buf);
         }
     }

#    if _MSC_VER <= 1200
#        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))
#    else
#        define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \
                __declspec(align(alignment)) type name[(sizex)*(sizey)]
#    endif


/*----------------------------------------------------------------------------
 | msvc x86 specific macros/functions
 *---------------------------------------------------------------------------*/
#    if defined(ARCH_X86)
#        define BSWAP(a)
             __asm { \
                 mov eax,a \
                 bswap eax \
                 mov a, eax \
             }
#        define EMMS() __asm {emms}

             static __inline int64_t read_counter(void)
             {
                 int64_t ts;
                 uint32_t ts1, ts2;
                 __asm {
                     rdtsc
                     mov ts1, eax
                     mov ts2, edx
                 }
                 ts = ((uint64_t) ts2 << 32) | ((uint64_t) ts1);
                 return ts;
             }

/*----------------------------------------------------------------------------
 | msvc unknown architecture
 *---------------------------------------------------------------------------*/
#    else
#        error Architecture not supported.
#    endif




/*****************************************************************************
 *  GNU CC compiler stuff
 ****************************************************************************/

#elif defined(__GNUC__) /* Compiler test */

/*----------------------------------------------------------------------------
 | 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
 */
#    ifdef _DEBUG

        /* Needed for all debuf fprintf calls */
#       include <stdio.h>

#       define DPRINTF(level, format, ...) \
            do {\
                if(DPRINTF_LEVEL & level)\
                    fprintf(stderr, format"\n", ##__VA_ARGS__);\
            }while(0);

#    else /* _DEBUG */
#        define DPRINTF(level, format, ...)
#    endif /* _DEBUG */



#    define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \
            type name##_storage[(sizex)*(sizey)+(alignment)-1]; \
            type * name = (type *) (((ptr_t) name##_storage+(alignment - 1)) & ~((ptr_t)(alignment)-1))

/*----------------------------------------------------------------------------
 | gcc x86 specific macros/functions
 *---------------------------------------------------------------------------*/
#    if defined(ARCH_X86)
#        define BSWAP(a) __asm__ ( "bswapl %0\n" : "=r" (a) : "0" (a) );
#        define EMMS() __asm__ ("emms\n\t");

         static __inline int64_t read_counter(void)
         {
             int64_t ts;
             uint32_t ts1, ts2;
             __asm__ __volatile__("rdtsc\n\t":"=a"(ts1), "=d"(ts2));
             ts = ((uint64_t) ts2 << 32) | ((uint64_t) ts1);
             return ts;
         }

/*----------------------------------------------------------------------------
 | gcc PPC and PPC Altivec specific macros/functions
 *---------------------------------------------------------------------------*/
#    elif defined(ARCH_PPC)
#        define BSWAP(a) __asm__ __volatile__ \
                ( "lwbrx %0,0,%1; eieio" : "=r" (a) : "r" (&(a)), "m" (a));
#        define EMMS()

         static __inline unsigned long get_tbl(void)
         {
             unsigned long tbl;
             asm volatile ("mftb %0":"=r" (tbl));
             return tbl;
         }

         static __inline unsigned long get_tbu(void)
         {
             unsigned long tbl;
             asm volatile ("mftbu %0":"=r" (tbl));
             return tbl;
         }

         static __inline int64_t read_counter(void)
         {
             unsigned long tb, tu;
             do {
                 tu = get_tbu();
                 tb = get_tbl();
             }while (tb != get_tbl());
             return (((int64_t) tu) << 32) | (int64_t) tb;
         }

/*----------------------------------------------------------------------------
 | gcc IA64 specific macros/functions
 *---------------------------------------------------------------------------*/
#    elif defined(ARCH_IA64)
#        define BSWAP(a)  __asm__ __volatile__ \
                ("mux1 %1 = %0, @rev" ";;" \
                 "shr.u %1 = %1, 32" : "=r" (a) : "r" (a));
#        define EMMS()

         static __inline int64_t read_counter(void) {
             unsigned long result;
             __asm__ __volatile__("mov %0=ar.itc" : "=r"(result) :: "memory");
             return result;
         }

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

         static __inline int64_t read_counter(void)
         {
             return 0;
         }

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

         static __inline int64_t read_counter(void)
         {
             return 0;
         }

/*----------------------------------------------------------------------------
 | XviD + gcc unsupported Architecture
 *---------------------------------------------------------------------------*/
#    else
#        error Architecture not supported.
#    endif /* Architecture checking */

/*****************************************************************************
 *  Unknown compiler
 ****************************************************************************/
#else /* Compiler test */

#    error Compiler not supported

#endif /* Compiler test */


#endif

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