/***************************************************************************** * * 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 /*---------------------------------------------------------------------------- | 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 #include /* * 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 # 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