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revision 1.26.2.8, Sat Feb 15 08:39:17 2003 UTC revision 1.60, Tue Mar 9 10:00:14 2010 UTC
# Line 3  Line 3 
3   *  XVID MPEG-4 VIDEO CODEC   *  XVID MPEG-4 VIDEO CODEC
4   *  - Portable macros, types and inlined assembly -   *  - Portable macros, types and inlined assembly -
5   *   *
6   *  Copyright(C) 2002 Michael Militzer <isibaar@xvid.org>   *  Copyright(C) 2002-2010 Michael Militzer <isibaar@xvid.org>
7   *               2002 Peter Ross <pross@xvid.org>   *               2002-2003 Peter Ross <pross@xvid.org>
8   *               2002 Edouard Gomez <ed.gomez@wanadoo.fr>   *               2002-2003 Edouard Gomez <ed.gomez@free.fr>
9   *   *
10   *  This file is part of XviD, a free MPEG-4 video encoder/decoder   *  This program is free software ; you can redistribute it and/or modify
11   *   *  it under the terms of the GNU General Public License as published by
  *  XviD is free software; you can redistribute it and/or modify it  
  *  under the terms of the GNU General Public License as published by  
12   *  the Free Software Foundation; either version 2 of the License, or   *  the Free Software Foundation; either version 2 of the License, or
13   *  (at your option) any later version.   *  (at your option) any later version.
14   *   *
# Line 23  Line 21 
21   *  along with this program; if not, write to the Free Software   *  along with this program; if not, write to the Free Software
22   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
23   *   *
  *  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.  
  *  
24   * $Id$   * $Id$
25   *   *
26   ****************************************************************************/   ****************************************************************************/
# Line 63  Line 32 
32   *  Common things   *  Common things
33   ****************************************************************************/   ****************************************************************************/
34    
35  /* Debug level masks */  /* Buffer size for msvc implementation because it outputs to DebugOutput */
36  #define DPRINTF_ERROR           0x00000001  #if defined(_DEBUG)
37  #define DPRINTF_STARTCODE       0x00000002  extern unsigned int xvid_debug;
 #define DPRINTF_HEADER          0x00000004  
 #define DPRINTF_TIMECODE        0x00000008  
 #define DPRINTF_MB                      0x00000010  
 #define DPRINTF_COEFF           0x00000020  
 #define DPRINTF_MV                      0x00000040  
 #define DPRINTF_RC                      0x00000080  
 #define DPRINTF_DEBUG           0x80000000  
   
 /* debug level for this library */  
 #ifdef _DEBUG  
 #define DPRINTF_LEVEL           (DPRINTF_RC|0x0000007F)  
 #else  
 #define DPRINTF_LEVEL           DPRINTF_RC  
 #endif  
   
 /* Buffer size for non C99 compliant compilers (msvc) */  
38  #define DPRINTF_BUF_SZ  1024  #define DPRINTF_BUF_SZ  1024
39    #endif
40    
41  /*****************************************************************************  /*****************************************************************************
42   *  Types used in XviD sources   *  Types used in Xvid sources
43   ****************************************************************************/   ****************************************************************************/
44    
45  /*----------------------------------------------------------------------------  /*----------------------------------------------------------------------------
46   | Standard Unix include file (sorry, we put all unix into "linux" case)    | For MSVC
  *---------------------------------------------------------------------------*/  
   
 #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)  
47   *---------------------------------------------------------------------------*/   *---------------------------------------------------------------------------*/
48    
49  #elif defined(_MSC_VER) || defined (__WATCOMC__)  #if defined(_MSC_VER) || defined (__WATCOMC__)
50  #    define int8_t   char  #    define int8_t   char
51  #    define uint8_t  unsigned char  #    define uint8_t  unsigned char
52  #    define int16_t  short  #    define int16_t  short
# Line 112  Line 57 
57  #    define uint64_t unsigned __int64  #    define uint64_t unsigned __int64
58    
59  /*----------------------------------------------------------------------------  /*----------------------------------------------------------------------------
60   | Fallback when using gcc    | For all other compilers, use the standard header file
61      | (compiler should be ISO C99 compatible, perhaps ISO C89 is enough)
62   *---------------------------------------------------------------------------*/   *---------------------------------------------------------------------------*/
63    
64  #elif defined(__GNUC__) || defined(__ICC)  #else
65    
66  #    define int8_t   char  #    include <inttypes.h>
 #    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  
67    
68  /*----------------------------------------------------------------------------  #endif
69   | Ok, we don't know how to define these types... error  
70   *---------------------------------------------------------------------------*/  /*****************************************************************************
71     *  Some things that are OS dependant
72     ****************************************************************************/
73    
74    #ifdef WIN32
75    
76    # include <windows.h>
77    # define pthread_t                              HANDLE
78    # define pthread_create(t,u,f,d) *(t)=CreateThread(NULL,0,f,d,0,NULL)
79    # define pthread_join(t,s)              { WaitForSingleObject(t,INFINITE); \
80                                                                            CloseHandle(t); }
81    # define sched_yield()                  Sleep(0);
82    static __inline int pthread_num_processors_np()
83    {
84            DWORD p_aff, s_aff, r = 0;
85            GetProcessAffinityMask(GetCurrentProcess(), (PDWORD_PTR) &p_aff, (PDWORD_PTR) &s_aff);
86            for(; p_aff != 0; p_aff>>=1) r += p_aff&1;
87            return r;
88    }
89    
90    #elif defined(__amigaos4__)
91    
92    # include <pthread.h>
93    # include <proto/dos.h>
94    # define sched_yield() IDOS->Delay(1)
95    
96    #elif defined(SYS_BEOS)
97    
98    # include <kernel/OS.h>
99    # define pthread_t                              thread_id
100    # define pthread_create(t,u,f,d) { *(t)=spawn_thread(f,"",10,d); \
101                                                                    resume_thread(*(t)); }
102    # define pthread_join(t,s)              wait_for_thread(t,(long*)s)
103    # define sched_yield()                  snooze(0) /* is this correct? */
104    
105  #else  #else
106  #    error Do not know how to define (u)int(size)_t types  # include <pthread.h>
107  #endif  #endif
108    
109  /*****************************************************************************  /*****************************************************************************
110   *  Some things that are only architecture dependant   *  Some things that are only architecture dependant
111   ****************************************************************************/   ****************************************************************************/
112    
113  #if defined(ARCH_X86) || defined(ARCH_PPC) || defined(ARCH_MIPS)  || defined(ARCH_SPARC)  #if defined(ARCH_IS_32BIT)
114  #    define CACHE_LINE  16  #    define CACHE_LINE 64
115  #    define ptr_t uint32_t  #    define ptr_t uint32_t
116  #elif defined(ARCH_IA64)  #    define intptr_t int32_t
117  #    define CACHE_LINE  32  #    define _INTPTR_T_DEFINED
118    #    if defined(_MSC_VER) && _MSC_VER >= 1300 && !defined(__INTEL_COMPILER)
119    #        include <stdarg.h>
120    #    else
121    #        define uintptr_t uint32_t
122    #    endif
123    #elif defined(ARCH_IS_64BIT)
124    #    define CACHE_LINE  64
125  #    define ptr_t uint64_t  #    define ptr_t uint64_t
126    #    define intptr_t int64_t
127    #    define _INTPTR_T_DEFINED
128    #    if defined (_MSC_VER) && _MSC_VER >= 1300 && !defined(__INTEL_COMPILER)
129    #        include <stdarg.h>
130  #else  #else
131  /* todo: fix cache_line 0 operation */  #        define uintptr_t uint64_t
132  #    define CACHE_LINE  16  #    endif
133  #    define ptr_t uint32_t  #else
134    #    error You are trying to compile Xvid without defining address bus size.
135  #endif  #endif
136    
137  /*****************************************************************************  /*****************************************************************************
# Line 167  Line 151 
151  #include <windows.h>  #include <windows.h>
152  #include <stdio.h>  #include <stdio.h>
153    
154          /* non-ansi function mapping */  /* Non ANSI mapping */
155  #       define snprintf _snprintf  #       define snprintf _snprintf
156  #       define vsnprintf _vsnprintf  #       define vsnprintf _vsnprintf
157    
158      /*      /*
159       * This function must be declared/defined all the time because MSVC does       * This function must be declared/defined all the time because MSVC does
160       * not support C99 variable arguments macros   * not support C99 variable arguments macros.
161     *
162     * Btw, if the MS compiler does its job well, it should remove the nop
163     * DPRINTF function when not compiling in _DEBUG mode
164       */       */
165    #   ifdef _DEBUG
166      static __inline void DPRINTF(int level, char *fmt, ...)      static __inline void DPRINTF(int level, char *fmt, ...)
167      {      {
168          if (DPRINTF_LEVEL & level) {          if (xvid_debug & level) {
169              va_list args;              va_list args;
170              char buf[DPRINTF_BUF_SZ];              char buf[DPRINTF_BUF_SZ];
171              va_start(args, fmt);              va_start(args, fmt);
172              vsprintf(buf, fmt, args);              vsprintf(buf, fmt, args);
173              OutputDebugString(buf);                  va_end(args);
174              fprintf(stderr, "%s\n", buf);                  OutputDebugStringA(buf);
175                    fprintf(stderr, "%s", buf);
176           }           }
177       }       }
178    #    else
179    static __inline void DPRINTF(int level, char *fmt, ...) {}
180    #    endif
181    
182  #    if _MSC_VER <= 1200  #    if _MSC_VER <= 1200
183  #        define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \  #        define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \
# Line 200  Line 192 
192  /*----------------------------------------------------------------------------  /*----------------------------------------------------------------------------
193   | msvc x86 specific macros/functions   | msvc x86 specific macros/functions
194   *---------------------------------------------------------------------------*/   *---------------------------------------------------------------------------*/
195  #    if defined(ARCH_X86)  #    if defined(ARCH_IS_IA32)
196  #        define BSWAP(a) __asm mov eax,a __asm bswap eax __asm mov a, eax  #        define BSWAP(a) __asm mov eax,a __asm bswap eax __asm mov a, eax
197    
198               static __inline int64_t read_counter(void)               static __inline int64_t read_counter(void)
# Line 216  Line 208 
208                   return ts;                   return ts;
209               }               }
210    
211    #    elif defined(ARCH_IS_X86_64)
212    
213    #    include <intrin.h>
214    
215    #    define BSWAP(a) ((a) = _byteswap_ulong(a))
216    
217    static __inline int64_t read_counter(void) { return __rdtsc(); }
218    
219  /*----------------------------------------------------------------------------  /*----------------------------------------------------------------------------
220   | msvc unknown architecture    | msvc GENERIC (plain C only) - Probably alpha or some embedded device
221   *---------------------------------------------------------------------------*/   *---------------------------------------------------------------------------*/
222  #    else  #    elif defined(ARCH_IS_GENERIC)
223  /* ANSI C version of BSWAP */  #        define BSWAP(a) \
224  #define BSWAP(x) \          ((a) = (((a) & 0xff) << 24)  | (((a) & 0xff00) << 8) | \
225   x = ((((x) & 0xff000000) >> 24) | \           (((a) >> 8) & 0xff00) | (((a) >> 24) & 0xff))
226       (((x) & 0x00ff0000) >>  8) | \  
227       (((x) & 0x0000ff00) <<  8) | \  #        include <time.h>
228       (((x) & 0x000000ff) << 24))  static __inline int64_t read_counter(void)
229    {
230            return (int64_t)clock();
231    }
232    
233    /*----------------------------------------------------------------------------
234      | msvc Not given architecture - This is probably an user who tries to build
235      | Xvid the wrong way.
236     *---------------------------------------------------------------------------*/
237    #    else
238    #        error You are trying to compile Xvid without defining the architecture type.
239  #    endif  #    endif
240    
241    
# Line 250  Line 259 
259    
260          /* Needed for all debuf fprintf calls */          /* Needed for all debuf fprintf calls */
261  #       include <stdio.h>  #       include <stdio.h>
262    #       include <stdarg.h>
263    
264  #       define DPRINTF(level, format, ...) \  static __inline void DPRINTF(int level, char *format, ...)
265              do {\  {
266                  if(DPRINTF_LEVEL & level)\          va_list args;
267                      fprintf(stderr, format"\n", ##__VA_ARGS__);\          va_start(args, format);
268              }while(0);          if(xvid_debug & level) {
269                    vfprintf(stderr, format, args);
270            }
271            va_end(args);
272    }
273    
274  #    else /* _DEBUG */  #    else /* _DEBUG */
275  #        define DPRINTF(level, format, ...)  static __inline void DPRINTF(int level, char *format, ...) {}
276  #    endif /* _DEBUG */  #    endif /* _DEBUG */
277    
278    
   
279  #    define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \  #    define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \
280              type name##_storage[(sizex)*(sizey)+(alignment)-1]; \              type name##_storage[(sizex)*(sizey)+(alignment)-1]; \
281              type * name = (type *) (((ptr_t) name##_storage+(alignment - 1)) & ~((ptr_t)(alignment)-1))              type * name = (type *) (((ptr_t) name##_storage+(alignment - 1)) & ~((ptr_t)(alignment)-1))
282    
283  /*----------------------------------------------------------------------------  /*----------------------------------------------------------------------------
284   | gcc x86 specific macros/functions    | gcc IA32 specific macros/functions
285   *---------------------------------------------------------------------------*/   *---------------------------------------------------------------------------*/
286  #    if defined(ARCH_X86)  #    if defined(ARCH_IS_IA32) || defined(ARCH_IS_X86_64)
287  #        define BSWAP(a) __asm__ ( "bswapl %0\n" : "=r" (a) : "0" (a) );  #        define BSWAP(a) __asm__ ( "bswapl %0\n" : "=r" (a) : "0" (a) );
288    
289           static __inline int64_t read_counter(void)           static __inline int64_t read_counter(void)
# Line 285  Line 298 
298  /*----------------------------------------------------------------------------  /*----------------------------------------------------------------------------
299   | gcc PPC and PPC Altivec specific macros/functions   | gcc PPC and PPC Altivec specific macros/functions
300   *---------------------------------------------------------------------------*/   *---------------------------------------------------------------------------*/
301  #    elif defined(ARCH_PPC)  #    elif defined(ARCH_IS_PPC)
302    
303    #        if defined(HAVE_ALTIVEC_PARENTHESES_DECL)
304    #            define AVV(x...) (x)
305    #        elif defined(HAVE_ALTIVEC_BRACES_DECL)
306    #            define AVV(x...) {x}
307    #        else
308    #            error Trying to compile PPC target without a vector declaration type.
309    #        endif
310    
311  #        define BSWAP(a) __asm__ __volatile__ \  #        define BSWAP(a) __asm__ __volatile__ \
312                  ( "lwbrx %0,0,%1; eieio" : "=r" (a) : "r" (&(a)), "m" (a));                  ( "lwbrx %0,0,%1; eieio" : "=r" (a) : "r" (&(a)), "m" (a));
313    
# Line 316  Line 338 
338  /*----------------------------------------------------------------------------  /*----------------------------------------------------------------------------
339   | gcc IA64 specific macros/functions   | gcc IA64 specific macros/functions
340   *---------------------------------------------------------------------------*/   *---------------------------------------------------------------------------*/
341  #    elif defined(ARCH_IA64)  #    elif defined(ARCH_IS_IA64)
342  #        define BSWAP(a)  __asm__ __volatile__ \  #        define BSWAP(a)  __asm__ __volatile__ \
343                  ("mux1 %1 = %0, @rev" ";;" \          ("mux1 %0 = %1, @rev" ";;" \
344                   "shr.u %1 = %1, 32" : "=r" (a) : "r" (a));           "shr.u %0 = %0, 32" : "=r" (a) : "r" (a));
345    
346           static __inline int64_t read_counter(void) {  static __inline int64_t read_counter(void)
347    {
348               unsigned long result;               unsigned long result;
349               __asm__ __volatile__("mov %0=ar.itc" : "=r"(result) :: "memory");               __asm__ __volatile__("mov %0=ar.itc" : "=r"(result) :: "memory");
350               return result;               return result;
351           }           }
352    
353  /*----------------------------------------------------------------------------  /*----------------------------------------------------------------------------
354   | gcc SPARC specific macros/functions    | gcc GENERIC (plain C only) specific macros/functions
355   *---------------------------------------------------------------------------*/   *---------------------------------------------------------------------------*/
356  #    elif defined(ARCH_SPARC)  #    elif defined(ARCH_IS_GENERIC)
357  #        define BSWAP(a) \  #        define BSWAP(a) \
358                  ((a) = (((a) & 0xff) << 24)  | (((a) & 0xff00) << 8) | \                  ((a) = (((a) & 0xff) << 24)  | (((a) & 0xff00) << 8) | \
359                         (((a) >> 8) & 0xff00) | (((a) >> 24) & 0xff))                         (((a) >> 8) & 0xff00) | (((a) >> 24) & 0xff))
360    
361    #        include <time.h>
362           static __inline int64_t read_counter(void)           static __inline int64_t read_counter(void)
363           {           {
364               return 0;          return (int64_t)clock();
365           }           }
366    
367  /*----------------------------------------------------------------------------  /*----------------------------------------------------------------------------
368   | gcc MIPS specific macros/functions    | gcc Not given architecture - This is probably an user who tries to build
369      | Xvid the wrong way.
370   *---------------------------------------------------------------------------*/   *---------------------------------------------------------------------------*/
371  #    elif defined(ARCH_MIPS)  #    else
372  #        define BSWAP(a) \  #        error You are trying to compile Xvid without defining the architecture type.
373                  ((a) = (((a) & 0xff) << 24)  | (((a) & 0xff00) << 8) | \  #    endif
                        (((a) >> 8) & 0xff00) | (((a) >> 24) & 0xff))  
374    
          static __inline int64_t read_counter(void)  
          {  
              return 0;  
          }  
375    
 /*----------------------------------------------------------------------------  
  | XviD + gcc unsupported Architecture  
  *---------------------------------------------------------------------------*/  
 #    else  
 /* ANSI C version of BSWAP */  
 #define BSWAP(x) \  
  x = ((((x) & 0xff000000) >> 24) | \  
      (((x) & 0x00ff0000) >>  8) | \  
      (((x) & 0x0000ff00) <<  8) | \  
      (((x) & 0x000000ff) << 24))  
376    
 #    endif /* Architecture checking */  
377    
378  /*****************************************************************************  /*****************************************************************************
379   *  OPEN WATCOM C/C++ compiler   *  Open WATCOM C/C++ compiler
380   ****************************************************************************/   ****************************************************************************/
381    
382  #elif defined(__WATCOMC__)  #elif defined(__WATCOMC__)
383    
384  #       include <stdio.h>  #       include <stdio.h>
385  #       include <stdarg.h>  #       include <stdarg.h>
386    
387    #    ifdef _DEBUG
388      static __inline void DPRINTF(int level, char *fmt, ...)      static __inline void DPRINTF(int level, char *fmt, ...)
389      {      {
390                  if (DPRINTF_LEVEL & level) {          if (xvid_debug & level) {
391              va_list args;              va_list args;
392              char buf[DPRINTF_BUF_SZ];              char buf[DPRINTF_BUF_SZ];
393              va_start(args, fmt);              va_start(args, fmt);
394              vsprintf(buf, fmt, args);              vsprintf(buf, fmt, args);
395                          fprintf(stderr, "%s\n", buf);                  va_end(args);
396                    fprintf(stderr, "%s", buf);
397                  }                  }
398          }          }
399    #    else /* _DEBUG */
400    static __inline void DPRINTF(int level, char *format, ...) {}
401    #    endif /* _DEBUG */
402    
403  #       define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \  #       define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \
404                  type name##_storage[(sizex)*(sizey)+(alignment)-1]; \                  type name##_storage[(sizex)*(sizey)+(alignment)-1]; \
405                  type * name = (type *) (((int32_t) name##_storage+(alignment - 1)) & ~((int32_t)(alignment)-1))                  type * name = (type *) (((int32_t) name##_storage+(alignment - 1)) & ~((int32_t)(alignment)-1))
406    
407  /*----------------------------------------------------------------------------  /*----------------------------------------------------------------------------
408   | watcom x86 specific macros/functions    | watcom ia32 specific macros/functions
409   *---------------------------------------------------------------------------*/   *---------------------------------------------------------------------------*/
410  #       if defined(ARCH_X86)  #    if defined(ARCH_IS_IA32) || defined(ARCH_IS_X86_64)
411    
412  #               define BSWAP(a)  __asm mov eax,a __asm bswap eax __asm mov a, eax  #               define BSWAP(a)  __asm mov eax,a __asm bswap eax __asm mov a, eax
413    
414                  static __inline int64_t read_counter(void)                  static __inline int64_t read_counter(void)
415                  {                  {
416                          int64_t ts;          uint64_t ts;
417                          uint32_t ts1, ts2;                          uint32_t ts1, ts2;
418                          __asm {                          __asm {
419                                  rdtsc                                  rdtsc
# Line 410  Line 425 
425                  }                  }
426    
427  /*----------------------------------------------------------------------------  /*----------------------------------------------------------------------------
428   | watcom unsupported architecture    | watcom GENERIC (plain C only) specific macros/functions.
429   *---------------------------------------------------------------------------*/   *---------------------------------------------------------------------------*/
430  #       else  #    elif defined(ARCH_IS_GENERIC)
431    
432  #               define BSWAP(x) \  #               define BSWAP(x) \
433                          x = ((((x) & 0xff000000) >> 24) | \                          x = ((((x) & 0xff000000) >> 24) | \
# Line 422  Line 437 
437    
438                  static int64_t read_counter() { return 0; }                  static int64_t read_counter() { return 0; }
439    
440    /*----------------------------------------------------------------------------
441      | watcom Not given architecture - This is probably an user who tries to build
442      | Xvid the wrong way.
443     *---------------------------------------------------------------------------*/
444    #    else
445    #        error You are trying to compile Xvid without defining the architecture type.
446  #       endif  #       endif
447    
448    
449  /*****************************************************************************  /*****************************************************************************
450   *  Unknown compiler   *  Unknown compiler
451   ****************************************************************************/   ****************************************************************************/
452  #else /* Compiler test */  #else /* Compiler test */
453    
454  #    error Compiler not supported  /*
455     * Ok we know nothing about the compiler, so we fallback to ANSI C
456     * features, so every compiler should be happy and compile the code.
457     *
458     * This is (mostly) equivalent to ARCH_IS_GENERIC.
459     */
460    
461    #    ifdef _DEBUG
462    
463    /* Needed for all debuf fprintf calls */
464    #       include <stdio.h>
465    #       include <stdarg.h>
466    
467    static __inline void DPRINTF(int level, char *format, ...)
468    {
469            va_list args;
470            va_start(args, format);
471            if(xvid_debug & level) {
472                    vfprintf(stderr, format, args);
473            }
474            va_end(args);
475    }
476    
477    #    else /* _DEBUG */
478    static __inline void DPRINTF(int level, char *format, ...) {}
479    #    endif /* _DEBUG */
480    
481    #    define BSWAP(a) \
482            ((a) = (((a) & 0xff) << 24)  | (((a) & 0xff00) << 8) | \
483             (((a) >> 8) & 0xff00) | (((a) >> 24) & 0xff))
484    
485    #    include <time.h>
486    static __inline int64_t read_counter(void)
487    {
488            return (int64_t)clock();
489    }
490    
491    #    define DECLARE_ALIGNED_MATRIX(name,sizex,sizey,type,alignment) \
492            type name[(sizex)*(sizey)]
493    
494  #endif /* Compiler test */  #endif /* Compiler test */
495    
496    
497  #endif  #endif /* PORTAB_H */

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