--- portab.h 2002/09/22 17:25:13 1.29 +++ portab.h 2003/02/09 22:48:38 1.42 @@ -3,32 +3,56 @@ * XVID MPEG-4 VIDEO CODEC * - Portable macros, types and inlined assembly - * - * Copyright(C) 2002 Michael Militzer + * Copyright(C) 2002 Michael Militzer + * 2002 Peter Ross + * 2002 Edouard Gomez * - * 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 + * This file is part of XviD, a free MPEG-4 video encoder/decoder + * + * XviD 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 + * 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 + * 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 $ + * Under section 8 of the GNU General Public License, the copyright + * holders of XVID explicitly forbid distribution in the following + * countries: + * + * - Japan + * - United States of America + * + * Linking XviD statically or dynamically with other modules is making a + * combined work based on XviD. Thus, the terms and conditions of the + * GNU General Public License cover the whole combination. + * + * As a special exception, the copyright holders of XviD give you + * permission to link XviD with independent modules that communicate with + * XviD solely through the VFW1.1 and DShow interfaces, regardless of the + * license terms of these independent modules, and to copy and distribute + * the resulting combined work under terms of your choice, provided that + * every copy of the combined work is accompanied by a complete copy of + * the source code of XviD (the version of XviD used to produce the + * combined work), being distributed under the terms of the GNU General + * Public License plus this exception. An independent module is a module + * which is not derived from or based on XviD. + * + * Note that people who make modified versions of XviD are not obligated + * to grant this special exception for their modified versions; it is + * their choice whether to do so. The GNU General Public License gives + * permission to release a modified version without this exception; this + * exception also makes it possible to release a modified version which + * carries forward this exception. + * + * $Id: portab.h,v 1.42 2003/02/09 22:48:38 edgomez Exp $ * ****************************************************************************/ @@ -52,7 +76,7 @@ /* debug level for this library */ #define DPRINTF_LEVEL 0 -/* Buffer size for non C99 compliant compilers (msvc) */ +/* Buffer size for msvc implementation because it outputs to DebugOutput */ #define DPRINTF_BUF_SZ 1024 /***************************************************************************** @@ -60,19 +84,10 @@ ****************************************************************************/ /*---------------------------------------------------------------------------- - | 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) + | For MSVC *---------------------------------------------------------------------------*/ -#elif defined(_MSC_VER) +#if defined(_MSC_VER) # define int8_t char # define uint8_t unsigned char # define int16_t short @@ -83,40 +98,28 @@ # define uint64_t unsigned __int64 /*---------------------------------------------------------------------------- - | Fallback when using gcc + | For all other compilers, use the standard header file + | (compiler should be ISO C99 compatible, perhaps ISO C89 is enough) *---------------------------------------------------------------------------*/ -#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 +#else -/*---------------------------------------------------------------------------- - | Ok, we don't know how to define these types... error - *---------------------------------------------------------------------------*/ +# include -#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) +#if defined(ARCH_IS_32BIT) # define CACHE_LINE 16 # define ptr_t uint32_t -#elif defined(ARCH_IA64) || defined(ARCH_SPARC) +#elif defined(ARCH_IS_64BIT) # define CACHE_LINE 32 # define ptr_t uint64_t #else -# error Architecture not supported. +# error You are trying to compile XviD without defining address bus size. #endif /***************************************************************************** @@ -138,8 +141,12 @@ /* * This function must be declared/defined all the time because MSVC does - * not support C99 variable arguments macros + * not support C99 variable arguments macros. + * + * Btw, if the MS compiler does its job well, it should remove the nop + * DPRINTF function when not compiling in _DEBUG mode */ +# ifdef _DEBUG static __inline void DPRINTF(int level, char *fmt, ...) { if (DPRINTF_LEVEL & level) { @@ -151,6 +158,11 @@ fprintf(stderr, "%s\n", buf); } } +# else + static __inline void DPRINTF(int level, char *fmt, ...) + { + } +# endif # if _MSC_VER <= 1200 # define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \ @@ -165,15 +177,11 @@ /*---------------------------------------------------------------------------- | msvc x86 specific macros/functions *---------------------------------------------------------------------------*/ -# if defined(ARCH_X86) -# define BSWAP(a) - __asm { \ - mov eax,a \ - bswap eax \ - mov a, eax \ - } +# if defined(ARCH_IS_IA32) +# define BSWAP(a) __asm mov eax,a __asm bswap eax __asm mov a, eax # define EMMS() __asm {emms} +# ifdef _PROFILING_ static __inline int64_t read_counter(void) { int64_t ts; @@ -186,12 +194,31 @@ ts = ((uint64_t) ts2 << 32) | ((uint64_t) ts1); return ts; } +# endif + +/*---------------------------------------------------------------------------- + | msvc GENERIC (plain C only) - Probably alpha or some embedded device + *---------------------------------------------------------------------------*/ +# elif defined(ARCH_IS_GENERIC) +# define BSWAP(a) \ + ((a) = (((a) & 0xff) << 24) | (((a) & 0xff00) << 8) | \ + (((a) >> 8) & 0xff00) | (((a) >> 24) & 0xff)) +# define EMMS() + +# ifdef _PROFILING_ +# include + static __inline int64_t read_counter(void) + { + return (int64_t)clock(); + } +# endif /*---------------------------------------------------------------------------- - | msvc unknown architecture + | msvc Not given architecture - This is probably an user who tries to build + | XviD the wrong way. *---------------------------------------------------------------------------*/ # else -# error Architecture not supported. +# error You are trying to compile XviD without defining the architecture type. # endif @@ -201,7 +228,7 @@ * GNU CC compiler stuff ****************************************************************************/ -#elif defined(__GNUC__) /* Compiler test */ +#elif defined(__GNUC__) || defined(__ICC) /* Compiler test */ /*---------------------------------------------------------------------------- | Common gcc stuff @@ -215,127 +242,170 @@ /* Needed for all debuf fprintf calls */ # include +# include -# define DPRINTF(level, format, ...) \ - do {\ - if(DPRINTF_LEVEL & level)\ - fprintf(stderr, format"\n", ##__VA_ARGS__);\ - }while(0); + static __inline void DPRINTF(int level, char *format, ...) + { + va_list args; + va_start(args, format); + if(DPRINTF_LEVEL & level) { + vfprintf(stderr, format, args); + fprintf(stderr, "\n"); + } + } # else /* _DEBUG */ -# define DPRINTF(level, format, ...) + static __inline void DPRINTF(int level, char *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 + | gcc IA32 specific macros/functions *---------------------------------------------------------------------------*/ -# if defined(ARCH_X86) +# if defined(ARCH_IS_IA32) # 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; - } +# ifdef _PROFILING_ + 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; + } +# endif /*---------------------------------------------------------------------------- | gcc PPC and PPC Altivec specific macros/functions *---------------------------------------------------------------------------*/ -# elif defined(ARCH_PPC) +# elif defined(ARCH_IS_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; - } +# ifdef _PROFILING_ + 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 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; - } + 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; + } +# endif /*---------------------------------------------------------------------------- | gcc IA64 specific macros/functions *---------------------------------------------------------------------------*/ -# elif defined(ARCH_IA64) +# elif defined(ARCH_IS_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; - } +# ifdef _PROFILING_ + static __inline int64_t read_counter(void) + { + unsigned long result; + __asm__ __volatile__("mov %0=ar.itc" : "=r"(result) :: "memory"); + return result; + } +# endif /*---------------------------------------------------------------------------- - | gcc MIPS specific macros/functions + | gcc GENERIC (plain C only) specific macros/functions *---------------------------------------------------------------------------*/ -# elif defined(ARCH_MIPS) +# elif defined(ARCH_IS_GENERIC) # define BSWAP(a) \ - ((a) = (((a) & 0xff) << 24) | (((a) & 0xff00) << 8) | + ((a) = (((a) & 0xff) << 24) | (((a) & 0xff00) << 8) | \ (((a) >> 8) & 0xff00) | (((a) >> 24) & 0xff)) # define EMMS() - static __inline int64_t read_counter(void) - { - return 0; - } +# ifdef _PROFILING_ +# include + static __inline int64_t read_counter(void) + { + return (int64_t)clock(); + } +# endif /*---------------------------------------------------------------------------- - | XviD + gcc unsupported Architecture + | gcc Not given architecture - This is probably an user who tries to build + | XviD the wrong way. *---------------------------------------------------------------------------*/ # else -# error Architecture not supported. -# endif /* Architecture checking */ +# error You are trying to compile XviD without defining the architecture type. +# endif /***************************************************************************** * Unknown compiler ****************************************************************************/ #else /* Compiler test */ -# error Compiler not supported + /* + * Ok we know nothing about the compiler, so we fallback to ANSI C + * features, so every compiler should be happy and compile the code. + * + * This is (mostly) equivalent to ARCH_IS_GENERIC. + */ + +# ifdef _DEBUG + + /* Needed for all debuf fprintf calls */ +# include +# include + + static __inline void DPRINTF(int level, char *format, ...) + { + va_list args; + va_start(args, format); + if(DPRINTF_LEVEL & level) { + vfprintf(stderr, format, args); + fprintf(stderr, "\n"); + } + } + +# else /* _DEBUG */ + static __inline void DPRINTF(int level, char *format, ...) {} +# endif /* _DEBUG */ + +# define BSWAP(a) \ + ((a) = (((a) & 0xff) << 24) | (((a) & 0xff00) << 8) | \ + (((a) >> 8) & 0xff00) | (((a) >> 24) & 0xff)) + +# define EMMS() + +# ifdef _PROFILING_ +# include + static __inline int64_t read_counter(void) + { + return (int64_t)clock(); + } +# endif + +# define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \ + type name[(sizex)*(sizey)] #endif /* Compiler test */