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revision 1.60, Wed Jan 5 23:02:15 2005 UTC revision 1.80, Mon Dec 1 15:06:48 2008 UTC
# Line 28  Line 28 
28  #include <string.h>  #include <string.h>
29  #include <time.h>  #include <time.h>
30    
31    #if !defined(_WIN32)
32    #include <unistd.h>
33    #endif
34    
35  #include "xvid.h"  #include "xvid.h"
36  #include "decoder.h"  #include "decoder.h"
37  #include "encoder.h"  #include "encoder.h"
# Line 40  Line 44 
44  #include "utils/mbfunctions.h"  #include "utils/mbfunctions.h"
45  #include "quant/quant.h"  #include "quant/quant.h"
46  #include "motion/motion.h"  #include "motion/motion.h"
47    #include "motion/gmc.h"
48  #include "motion/sad.h"  #include "motion/sad.h"
49  #include "utils/emms.h"  #include "utils/emms.h"
50  #include "utils/timer.h"  #include "utils/timer.h"
# Line 126  Line 131 
131    
132  /* detect cpu flags  */  /* detect cpu flags  */
133  static unsigned int  static unsigned int
134  detect_cpu_flags()  detect_cpu_flags(void)
135  {  {
136          /* enable native assembly optimizations by default */          /* enable native assembly optimizations by default */
137          unsigned int cpu_flags = XVID_CPU_ASM;          unsigned int cpu_flags = XVID_CPU_ASM;
# Line 136  Line 141 
141          if ((cpu_flags & XVID_CPU_SSE) && sigill_check(sse_os_trigger))          if ((cpu_flags & XVID_CPU_SSE) && sigill_check(sse_os_trigger))
142                  cpu_flags &= ~XVID_CPU_SSE;                  cpu_flags &= ~XVID_CPU_SSE;
143    
144          if ((cpu_flags & XVID_CPU_SSE2) && sigill_check(sse2_os_trigger))          if ((cpu_flags & (XVID_CPU_SSE2|XVID_CPU_SSE3|XVID_CPU_SSE41)) && sigill_check(sse2_os_trigger))
145                  cpu_flags &= ~XVID_CPU_SSE2;                  cpu_flags &= ~(XVID_CPU_SSE2|XVID_CPU_SSE3|XVID_CPU_SSE41);
146  #endif  #endif
147    
148  #if defined(ARCH_IS_PPC)  #if defined(ARCH_IS_PPC)
# Line 183  Line 188 
188          idct = idct_int32;          idct = idct_int32;
189    
190          /* Only needed on PPC Altivec archs */          /* Only needed on PPC Altivec archs */
191          sadInit = 0;          sadInit = NULL;
192    
193          /* Restore FPU context : emms_c is a nop functions */          /* Restore FPU context : emms_c is a nop functions */
194          emms = emms_c;          emms = emms_c;
# Line 213  Line 218 
218          transfer_8to16sub2ro = transfer_8to16sub2ro_c;          transfer_8to16sub2ro = transfer_8to16sub2ro_c;
219          transfer_16to8add  = transfer_16to8add_c;          transfer_16to8add  = transfer_16to8add_c;
220          transfer8x8_copy   = transfer8x8_copy_c;          transfer8x8_copy   = transfer8x8_copy_c;
221            transfer8x4_copy   = transfer8x4_copy_c;
222    
223          /* Interlacing functions */          /* Interlacing functions */
224          MBFieldTest = MBFieldTest_c;          MBFieldTest = MBFieldTest_c;
# Line 222  Line 228 
228          interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_c;          interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_c;
229          interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_c;          interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_c;
230    
231            interpolate8x4_halfpel_h  = interpolate8x4_halfpel_h_c;
232            interpolate8x4_halfpel_v  = interpolate8x4_halfpel_v_c;
233            interpolate8x4_halfpel_hv = interpolate8x4_halfpel_hv_c;
234    
235          interpolate8x8_halfpel_add = interpolate8x8_halfpel_add_c;          interpolate8x8_halfpel_add = interpolate8x8_halfpel_add_c;
236          interpolate8x8_halfpel_h_add = interpolate8x8_halfpel_h_add_c;          interpolate8x8_halfpel_h_add = interpolate8x8_halfpel_h_add_c;
237          interpolate8x8_halfpel_v_add = interpolate8x8_halfpel_v_add_c;          interpolate8x8_halfpel_v_add = interpolate8x8_halfpel_v_add_c;
# Line 251  Line 261 
261          yv12_to_yv12    = yv12_to_yv12_c;          yv12_to_yv12    = yv12_to_yv12_c;
262          rgb555_to_yv12  = rgb555_to_yv12_c;          rgb555_to_yv12  = rgb555_to_yv12_c;
263          rgb565_to_yv12  = rgb565_to_yv12_c;          rgb565_to_yv12  = rgb565_to_yv12_c;
264            rgb_to_yv12     = rgb_to_yv12_c;
265          bgr_to_yv12     = bgr_to_yv12_c;          bgr_to_yv12     = bgr_to_yv12_c;
266          bgra_to_yv12    = bgra_to_yv12_c;          bgra_to_yv12    = bgra_to_yv12_c;
267          abgr_to_yv12    = abgr_to_yv12_c;          abgr_to_yv12    = abgr_to_yv12_c;
# Line 272  Line 283 
283          /* All colorspace transformation functions YV12->User format */          /* All colorspace transformation functions YV12->User format */
284          yv12_to_rgb555  = yv12_to_rgb555_c;          yv12_to_rgb555  = yv12_to_rgb555_c;
285          yv12_to_rgb565  = yv12_to_rgb565_c;          yv12_to_rgb565  = yv12_to_rgb565_c;
286            yv12_to_rgb     = yv12_to_rgb_c;
287          yv12_to_bgr     = yv12_to_bgr_c;          yv12_to_bgr     = yv12_to_bgr_c;
288          yv12_to_bgra    = yv12_to_bgra_c;          yv12_to_bgra    = yv12_to_bgra_c;
289          yv12_to_abgr    = yv12_to_abgr_c;          yv12_to_abgr    = yv12_to_abgr_c;
# Line 301  Line 313 
313          sse8_16bit = sse8_16bit_c;          sse8_16bit = sse8_16bit_c;
314          sse8_8bit  = sse8_8bit_c;          sse8_8bit  = sse8_8bit_c;
315    
316  #if defined(ARCH_IS_IA32)          init_GMC(cpu_flags);
317    
318    #if defined(ARCH_IS_IA32) || defined(ARCH_IS_X86_64)
319    
320          if ((cpu_flags & XVID_CPU_MMX) || (cpu_flags & XVID_CPU_MMXEXT) ||          if ((cpu_flags & XVID_CPU_MMX) || (cpu_flags & XVID_CPU_MMXEXT) ||
321                  (cpu_flags & XVID_CPU_3DNOW) || (cpu_flags & XVID_CPU_3DNOWEXT) ||                  (cpu_flags & XVID_CPU_3DNOW) || (cpu_flags & XVID_CPU_3DNOWEXT) ||
322                  (cpu_flags & XVID_CPU_SSE) || (cpu_flags & XVID_CPU_SSE2))                  (cpu_flags & XVID_CPU_SSE) || (cpu_flags & XVID_CPU_SSE2) ||
323            (cpu_flags & XVID_CPU_SSE3) || (cpu_flags & XVID_CPU_SSE41))
324          {          {
325                  /* Restore FPU context : emms_c is a nop functions */                  /* Restore FPU context : emms_c is a nop functions */
326                  emms = emms_mmx;                  emms = emms_mmx;
# Line 326  Line 341 
341                  quant_h263_inter   = quant_h263_inter_mmx;                  quant_h263_inter   = quant_h263_inter_mmx;
342                  dequant_h263_intra = dequant_h263_intra_mmx;                  dequant_h263_intra = dequant_h263_intra_mmx;
343                  dequant_h263_inter = dequant_h263_inter_mmx;                  dequant_h263_inter = dequant_h263_inter_mmx;
   
344                  quant_mpeg_intra   = quant_mpeg_intra_mmx;                  quant_mpeg_intra   = quant_mpeg_intra_mmx;
345                  quant_mpeg_inter   = quant_mpeg_inter_mmx;                  quant_mpeg_inter   = quant_mpeg_inter_mmx;
346                  dequant_mpeg_intra = dequant_mpeg_intra_mmx;                  dequant_mpeg_intra = dequant_mpeg_intra_mmx;
347                  dequant_mpeg_inter = dequant_mpeg_inter_mmx;                  dequant_mpeg_inter = dequant_mpeg_inter_mmx;
348    
349    
350                  /* Block related functions */                  /* Block related functions */
351                  transfer_8to16copy = transfer_8to16copy_mmx;                  transfer_8to16copy = transfer_8to16copy_mmx;
352                  transfer_16to8copy = transfer_16to8copy_mmx;                  transfer_16to8copy = transfer_16to8copy_mmx;
# Line 340  Line 355 
355                  transfer_8to16sub2 = transfer_8to16sub2_mmx;                  transfer_8to16sub2 = transfer_8to16sub2_mmx;
356                  transfer_16to8add  = transfer_16to8add_mmx;                  transfer_16to8add  = transfer_16to8add_mmx;
357                  transfer8x8_copy   = transfer8x8_copy_mmx;                  transfer8x8_copy   = transfer8x8_copy_mmx;
358                    transfer8x4_copy   = transfer8x4_copy_mmx;
359    
360                  /* Interlacing Functions */                  /* Interlacing Functions */
361                  MBFieldTest = MBFieldTest_mmx;                  MBFieldTest = MBFieldTest_mmx;
# Line 349  Line 365 
365                  interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_mmx;                  interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_mmx;
366                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_mmx;                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_mmx;
367    
368                    interpolate8x4_halfpel_h  = interpolate8x4_halfpel_h_mmx;
369                    interpolate8x4_halfpel_v  = interpolate8x4_halfpel_v_mmx;
370                    interpolate8x4_halfpel_hv = interpolate8x4_halfpel_hv_mmx;
371    
372                  interpolate8x8_halfpel_add = interpolate8x8_halfpel_add_mmx;                  interpolate8x8_halfpel_add = interpolate8x8_halfpel_add_mmx;
373                  interpolate8x8_halfpel_h_add = interpolate8x8_halfpel_h_add_mmx;                  interpolate8x8_halfpel_h_add = interpolate8x8_halfpel_h_add_mmx;
374                  interpolate8x8_halfpel_v_add = interpolate8x8_halfpel_v_add_mmx;                  interpolate8x8_halfpel_v_add = interpolate8x8_halfpel_v_add_mmx;
# Line 364  Line 384 
384                  image_brightness = image_brightness_mmx;                  image_brightness = image_brightness_mmx;
385    
386                  /* image input xxx_to_yv12 related functions */                  /* image input xxx_to_yv12 related functions */
387    
388                  yv12_to_yv12  = yv12_to_yv12_mmx;                  yv12_to_yv12  = yv12_to_yv12_mmx;
389    
390                  bgr_to_yv12   = bgr_to_yv12_mmx;                  bgr_to_yv12   = bgr_to_yv12_mmx;
391                    rgb_to_yv12   = rgb_to_yv12_mmx;
392                  bgra_to_yv12  = bgra_to_yv12_mmx;                  bgra_to_yv12  = bgra_to_yv12_mmx;
393                    rgba_to_yv12  = rgba_to_yv12_mmx;
394                  yuyv_to_yv12  = yuyv_to_yv12_mmx;                  yuyv_to_yv12  = yuyv_to_yv12_mmx;
395                  uyvy_to_yv12  = uyvy_to_yv12_mmx;                  uyvy_to_yv12  = uyvy_to_yv12_mmx;
396    
# Line 402  Line 426 
426    
427                  yuyv_to_yv12  = yuyv_to_yv12_3dn;                  yuyv_to_yv12  = yuyv_to_yv12_3dn;
428                  uyvy_to_yv12  = uyvy_to_yv12_3dn;                  uyvy_to_yv12  = uyvy_to_yv12_3dn;
429    
430          }          }
431    
432    
# Line 416  Line 441 
441                  interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_xmm;                  interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_xmm;
442                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_xmm;                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_xmm;
443    
444                    interpolate8x4_halfpel_h  = interpolate8x4_halfpel_h_xmm;
445                    interpolate8x4_halfpel_v  = interpolate8x4_halfpel_v_xmm;
446                    interpolate8x4_halfpel_hv = interpolate8x4_halfpel_hv_xmm;
447    
448                  interpolate8x8_halfpel_add = interpolate8x8_halfpel_add_xmm;                  interpolate8x8_halfpel_add = interpolate8x8_halfpel_add_xmm;
449                  interpolate8x8_halfpel_h_add = interpolate8x8_halfpel_h_add_xmm;                  interpolate8x8_halfpel_h_add = interpolate8x8_halfpel_h_add_xmm;
450                  interpolate8x8_halfpel_v_add = interpolate8x8_halfpel_v_add_xmm;                  interpolate8x8_halfpel_v_add = interpolate8x8_halfpel_v_add_xmm;
451                  interpolate8x8_halfpel_hv_add = interpolate8x8_halfpel_hv_add_xmm;                  interpolate8x8_halfpel_hv_add = interpolate8x8_halfpel_hv_add_xmm;
452    
453                  /* Quantization */                  /* Quantization */
                 quant_mpeg_intra = quant_mpeg_intra_xmm;  
454                  quant_mpeg_inter = quant_mpeg_inter_xmm;                  quant_mpeg_inter = quant_mpeg_inter_xmm;
455    
456                  dequant_h263_intra = dequant_h263_intra_xmm;                  dequant_h263_intra = dequant_h263_intra_xmm;
# Line 433  Line 461 
461                  transfer_8to16sub2ro = transfer_8to16sub2ro_xmm;                  transfer_8to16sub2ro = transfer_8to16sub2ro_xmm;
462    
463                  /* Colorspace transformation */                  /* Colorspace transformation */
464                  yv12_to_yv12  = yv12_to_yv12_xmm;                  /* yv12_to_yv12  = yv12_to_yv12_xmm; */ /* appears to be slow on many machines */
465                  yuyv_to_yv12  = yuyv_to_yv12_xmm;                  yuyv_to_yv12  = yuyv_to_yv12_xmm;
466                  uyvy_to_yv12  = uyvy_to_yv12_xmm;                  uyvy_to_yv12  = uyvy_to_yv12_xmm;
467    
# Line 452  Line 480 
480                  interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_3dn;                  interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_3dn;
481                  interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_3dn;                  interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_3dn;
482                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_3dn;                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_3dn;
483    
484                    interpolate8x4_halfpel_h = interpolate8x4_halfpel_h_3dn;
485                    interpolate8x4_halfpel_v = interpolate8x4_halfpel_v_3dn;
486                    interpolate8x4_halfpel_hv = interpolate8x4_halfpel_hv_3dn;
487          }          }
488    
489          if ((cpu_flags & XVID_CPU_3DNOWEXT)) {          if ((cpu_flags & XVID_CPU_3DNOWEXT)) {
# Line 463  Line 495 
495                  transfer_8to16subro =  transfer_8to16subro_3dne;                  transfer_8to16subro =  transfer_8to16subro_3dne;
496                  transfer_16to8add = transfer_16to8add_3dne;                  transfer_16to8add = transfer_16to8add_3dne;
497                  transfer8x8_copy = transfer8x8_copy_3dne;                  transfer8x8_copy = transfer8x8_copy_3dne;
498                    transfer8x4_copy = transfer8x4_copy_3dne;
499    
500                  if ((cpu_flags & XVID_CPU_MMXEXT)) {                  if ((cpu_flags & XVID_CPU_MMXEXT)) {
501                          /* Inverse DCT */                          /* Inverse DCT */
# Line 476  Line 509 
509                          interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_3dne;                          interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_3dne;
510                          interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_3dne;                          interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_3dne;
511    
512                            interpolate8x4_halfpel_h = interpolate8x4_halfpel_h_3dne;
513                            interpolate8x4_halfpel_v = interpolate8x4_halfpel_v_3dne;
514                            interpolate8x4_halfpel_hv = interpolate8x4_halfpel_hv_3dne;
515    
516                          /* Quantization */                          /* Quantization */
517                          quant_h263_intra = quant_h263_intra_3dne;               /* cmov only */                          quant_h263_intra = quant_h263_intra_3dne;               /* cmov only */
518                          quant_h263_inter = quant_h263_inter_3dne;                          quant_h263_inter = quant_h263_inter_3dne;
# Line 485  Line 522 
522                          dequant_h263_inter = dequant_h263_inter_3dne;                          dequant_h263_inter = dequant_h263_inter_3dne;
523    
524                          /* ME functions */                          /* ME functions */
                         calc_cbp = calc_cbp_3dne;  
   
525                          sad16 = sad16_3dne;                          sad16 = sad16_3dne;
526                          sad8 = sad8_3dne;                          sad8 = sad8_3dne;
527                          sad16bi = sad16bi_3dne;                          sad16bi = sad16bi_3dne;
# Line 509  Line 544 
544                  sad16    = sad16_sse2;                  sad16    = sad16_sse2;
545                  dev16    = dev16_sse2;                  dev16    = dev16_sse2;
546    
547                  /* DCT operators                  /* DCT operators */
                  * no iDCT because it's not "Walken matching" */  
548                  fdct = fdct_sse2_skal;                  fdct = fdct_sse2_skal;
549                    idct = idct_sse2_skal;   /* Is now IEEE1180 and Walken compliant. */
550    
551                  /* postprocessing */                  /* postprocessing */
552                  image_brightness = image_brightness_sse2;                  image_brightness = image_brightness_sse2;
553    
554            }
555    
556            if ((cpu_flags & XVID_CPU_SSE3)) {
557    
558                    /* SAD operators */
559                    sad16    = sad16_sse3;
560                    dev16    = dev16_sse3;
561          }          }
562    
563  #endif /* ARCH_IS_IA32 */  #endif /* ARCH_IS_IA32 */
564    
565  #if defined(ARCH_IS_IA64)  #if defined(ARCH_IS_IA64)
# Line 597  Line 641 
641            dequant_h263_intra = dequant_h263_intra_altivec_c;            dequant_h263_intra = dequant_h263_intra_altivec_c;
642            dequant_h263_inter = dequant_h263_inter_altivec_c;            dequant_h263_inter = dequant_h263_inter_altivec_c;
643    
644                      dequant_mpeg_intra = dequant_mpeg_intra_altivec_c;
645                      dequant_mpeg_inter = dequant_mpeg_inter_altivec_c;
646    
647                    /* Qpel stuff */                    /* Qpel stuff */
648                    xvid_QP_Funcs = &xvid_QP_Funcs_Altivec_C;                    xvid_QP_Funcs = &xvid_QP_Funcs_Altivec_C;
649                    xvid_QP_Add_Funcs = &xvid_QP_Add_Funcs_Altivec_C;                    xvid_QP_Add_Funcs = &xvid_QP_Add_Funcs_Altivec_C;
650          }          }
651  #endif  #endif
652    
 #if defined(ARCH_IS_X86_64)  
         /* For now, only XVID_CPU_ASM is looked for, so user can still  
          * disable asm usage the usual way. When Intel EMT64 cpus will  
          * be out, maybe we'll have to check more precisely what cpu  
          * features there really are. */  
         if (cpu_flags & XVID_CPU_ASM) {  
                 /* SIMD state flusher */  
                 emms = emms_3dn;  
   
                 /* DCT operators */  
                 fdct = fdct_skal_x86_64;  
                 idct = idct_x86_64;  
   
                 /* SAD operators */  
                 sad16      = sad16_x86_64;  
                 sad8       = sad8_x86_64;  
                 sad16bi    = sad16bi_x86_64;  
                 sad8bi     = sad8bi_x86_64;  
                 dev16      = dev16_x86_64;  
                 sad16v     = sad16v_x86_64;  
                 sse8_16bit = sse8_16bit_x86_64;  
                 sse8_8bit  = sse8_8bit_x86_64;  
   
                 /* Interpolation operators */  
                 interpolate8x8_halfpel_h  = interpolate8x8_halfpel_h_x86_64;  
                 interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_x86_64;  
                 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_x86_64;  
   
                 interpolate8x8_halfpel_add = interpolate8x8_halfpel_add_x86_64;  
                 interpolate8x8_halfpel_h_add = interpolate8x8_halfpel_h_add_x86_64;  
                 interpolate8x8_halfpel_v_add = interpolate8x8_halfpel_v_add_x86_64;  
                 interpolate8x8_halfpel_hv_add = interpolate8x8_halfpel_hv_add_x86_64;  
   
                 interpolate8x8_6tap_lowpass_h = interpolate8x8_6tap_lowpass_h_x86_64;  
                 interpolate8x8_6tap_lowpass_v = interpolate8x8_6tap_lowpass_v_x86_64;  
   
                 interpolate8x8_avg2 = interpolate8x8_avg2_x86_64;  
                 interpolate8x8_avg4 = interpolate8x8_avg4_x86_64;  
   
                 /* Quantization related functions */  
                 quant_h263_intra   = quant_h263_intra_x86_64;  
                 quant_h263_inter   = quant_h263_inter_x86_64;  
                 dequant_h263_intra = dequant_h263_intra_x86_64;  
                 dequant_h263_inter = dequant_h263_inter_x86_64;  
                 quant_mpeg_intra   = quant_mpeg_intra_x86_64;  
                 quant_mpeg_inter   = quant_mpeg_inter_x86_64;  
                 dequant_mpeg_intra   = dequant_mpeg_intra_x86_64;  
                 dequant_mpeg_inter   = dequant_mpeg_inter_x86_64;  
   
                 /* Block related functions */  
                 transfer_8to16copy  = transfer_8to16copy_x86_64;  
                 transfer_16to8copy  = transfer_16to8copy_x86_64;  
                 transfer_8to16sub   = transfer_8to16sub_x86_64;  
                 transfer_8to16subro = transfer_8to16subro_x86_64;  
                 transfer_8to16sub2  = transfer_8to16sub2_x86_64;  
                 transfer_8to16sub2ro= transfer_8to16sub2ro_x86_64;  
                 transfer_16to8add   = transfer_16to8add_x86_64;  
                 transfer8x8_copy    = transfer8x8_copy_x86_64;  
   
                 /* Qpel stuff */  
                 xvid_QP_Funcs = &xvid_QP_Funcs_x86_64;  
                 xvid_QP_Add_Funcs = &xvid_QP_Add_Funcs_x86_64;  
   
                 /* Interlacing Functions */  
                 MBFieldTest = MBFieldTest_x86_64;  
         }  
 #endif  
   
653  #if defined(_DEBUG)  #if defined(_DEBUG)
654      xvid_debug = init->debug;      xvid_debug = init->debug;
655  #endif  #endif
# Line 686  Line 665 
665                  return XVID_ERR_VERSION;                  return XVID_ERR_VERSION;
666    
667          info->actual_version = XVID_VERSION;          info->actual_version = XVID_VERSION;
668          info->build = "xvid-1.1-cvshead";          info->build = "xvid-1.3.0-dev";
669          info->cpu_flags = detect_cpu_flags();          info->cpu_flags = detect_cpu_flags();
670            info->num_threads = 0;
671    
672    #if defined(_WIN32)
673    
674      {
675            SYSTEM_INFO siSysInfo;
676            GetSystemInfo(&siSysInfo);
677            info->num_threads = siSysInfo.dwNumberOfProcessors; /* number of _logical_ cores */
678      }
679    
 #if defined(_SMP) && defined(WIN32)  
         info->num_threads = pthread_num_processors_np();;  
680  #else  #else
681          info->num_threads = 0;  
682      info->num_threads = sysconf(_SC_NPROCESSORS_CONF);
683    
684  #endif  #endif
685    
686          return 0;          return 0;
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