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revision 1.20, Fri Jun 21 16:12:47 2002 UTC revision 1.34, Wed Sep 4 22:07:07 2002 UTC
# Line 3  Line 3 
3   *  XVID MPEG-4 VIDEO CODEC   *  XVID MPEG-4 VIDEO CODEC
4   *  - Native API implementation  -   *  - Native API implementation  -
5   *   *
6     *  Copyright(C) 2001-2002 Peter Ross <pross@cs.rmit.edu.au>
7     *
8   *  This program is an implementation of a part of one or more MPEG-4   *  This program is an implementation of a part of one or more MPEG-4
9   *  Video tools as specified in ISO/IEC 14496-2 standard.  Those intending   *  Video tools as specified in ISO/IEC 14496-2 standard.  Those intending
10   *  to use this software module in hardware or software products are   *  to use this software module in hardware or software products are
# Line 27  Line 29 
29   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
30   *   *
31   ****************************************************************************/   ****************************************************************************/
 /*****************************************************************************  
  *  
  *  History  
  *  
  *  - 17.03.2002        Added interpolate8x8_halfpel_hv_xmm  
  *  - 22.12.2001  API change: added xvid_init() - Isibaar  
  *  - 16.12.2001        inital version; (c)2001 peter ross <pross@cs.rmit.edu.au>  
  *  
  *  $Id$  
  *  
  ****************************************************************************/  
32    
33  #include "xvid.h"  #include "xvid.h"
34  #include "decoder.h"  #include "decoder.h"
# Line 50  Line 41 
41  #include "utils/mem_transfer.h"  #include "utils/mem_transfer.h"
42  #include "quant/quant_h263.h"  #include "quant/quant_h263.h"
43  #include "quant/quant_mpeg4.h"  #include "quant/quant_mpeg4.h"
44    #include "motion/motion.h"
45  #include "motion/sad.h"  #include "motion/sad.h"
46  #include "utils/emms.h"  #include "utils/emms.h"
47  #include "utils/timer.h"  #include "utils/timer.h"
48  #include "bitstream/mbcoding.h"  #include "bitstream/mbcoding.h"
49    
50    #if defined(ARCH_X86) && defined(EXPERIMENTAL_SSE2_CODE)
51    
52    #ifdef WIN32
53    #include <windows.h>
54    #else
55    #include <signal.h>
56    #include <setjmp.h>
57    #endif
58    
59    
60    #ifndef WIN32
61    
62    static jmp_buf mark;
63    
64    static void
65    sigill_handler(int signal)
66    {
67       longjmp(mark, 1);
68    }
69    #endif
70    
71    
72    /*
73     * Calls the funcptr, and returns whether SIGILL (illegal instruction) was signalled
74     * Return values:
75     * -1 : could not determine
76     * 0  : SIGILL was *not* signalled
77     * 1  : SIGILL was signalled
78     */
79    
80    int
81    sigill_check(void (*func)())
82    {
83    #ifdef WIN32
84            _try {
85                    func();
86            }
87            _except(EXCEPTION_EXECUTE_HANDLER) {
88    
89                    if (_exception_code() == STATUS_ILLEGAL_INSTRUCTION)
90                            return 1;
91            }
92            return 0;
93    #else
94        void * old_handler;
95        int jmpret;
96    
97    
98        old_handler = signal(SIGILL, sigill_handler);
99        if (old_handler == SIG_ERR)
100        {
101            return -1;
102        }
103    
104        jmpret = setjmp(mark);
105        if (jmpret == 0)
106        {
107            func();
108        }
109    
110        signal(SIGILL, old_handler);
111    
112        return jmpret;
113    #endif
114    }
115    #endif
116    
117  /*****************************************************************************  /*****************************************************************************
118   * XviD Init Entry point   * XviD Init Entry point
119   *   *
# Line 80  Line 139 
139    
140          init_param = (XVID_INIT_PARAM *) param1;          init_param = (XVID_INIT_PARAM *) param1;
141    
142            /* Inform the client the API version */
143            init_param->api_version = API_VERSION;
144    
145            /* Inform the client the core build - unused because we're still alpha */
146            init_param->core_build = 1000;
147    
148          /* Do we have to force CPU features  ? */          /* Do we have to force CPU features  ? */
149          if ((init_param->cpu_flags & XVID_CPU_FORCE) > 0) {          if ((init_param->cpu_flags & XVID_CPU_FORCE)) {
150    
151                  cpu_flags = init_param->cpu_flags;                  cpu_flags = init_param->cpu_flags;
152    
153          } else {          } else {
154    
 #ifdef ARCH_X86  
155                  cpu_flags = check_cpu_features();                  cpu_flags = check_cpu_features();
156  #else  
157                  cpu_flags = 0;  #if defined(ARCH_X86) && defined(EXPERIMENTAL_SSE2_CODE)
158                    if ((cpu_flags & XVID_CPU_SSE) && sigill_check(sse_os_trigger))
159                            cpu_flags &= ~XVID_CPU_SSE;
160    
161                    if ((cpu_flags & XVID_CPU_SSE2) && sigill_check(sse2_os_trigger))
162                            cpu_flags &= ~XVID_CPU_SSE2;
163  #endif  #endif
164            }
165    
166            if ((init_param->cpu_flags & XVID_CPU_CHKONLY))
167            {
168                  init_param->cpu_flags = cpu_flags;                  init_param->cpu_flags = cpu_flags;
169                    return XVID_ERR_OK;
170          }          }
171    
172            init_param->cpu_flags = cpu_flags;
173    
174    
175          /* Initialize the function pointers */          /* Initialize the function pointers */
176          idct_int32_init();          idct_int32_init();
177          init_vlc_tables();          init_vlc_tables();
# Line 155  Line 234 
234          /* Functions used in motion estimation algorithms */          /* Functions used in motion estimation algorithms */
235          calc_cbp = calc_cbp_c;          calc_cbp = calc_cbp_c;
236          sad16    = sad16_c;          sad16    = sad16_c;
         sad16bi  = sad16bi_c;  
237          sad8     = sad8_c;          sad8     = sad8_c;
238            sad16bi  = sad16bi_c;
239            sad8bi   = sad8bi_c;
240          dev16    = dev16_c;          dev16    = dev16_c;
241    
242            Halfpel8_Refine = Halfpel8_Refine_c;
243    
244  #ifdef ARCH_X86  #ifdef ARCH_X86
245          if ((cpu_flags & XVID_CPU_MMX) > 0) {          if ((cpu_flags & XVID_CPU_MMX) > 0) {
246    
# Line 184  Line 266 
266                  transfer_8to16copy = transfer_8to16copy_mmx;                  transfer_8to16copy = transfer_8to16copy_mmx;
267                  transfer_16to8copy = transfer_16to8copy_mmx;                  transfer_16to8copy = transfer_16to8copy_mmx;
268                  transfer_8to16sub  = transfer_8to16sub_mmx;                  transfer_8to16sub  = transfer_8to16sub_mmx;
269                    transfer_8to16sub2 = transfer_8to16sub2_mmx;
270                  transfer_16to8add  = transfer_16to8add_mmx;                  transfer_16to8add  = transfer_16to8add_mmx;
271                  transfer8x8_copy   = transfer8x8_copy_mmx;                  transfer8x8_copy   = transfer8x8_copy_mmx;
272    
273    
274                  /* Image Interpolation related functions */                  /* Image Interpolation related functions */
275                  interpolate8x8_halfpel_h  = interpolate8x8_halfpel_h_mmx;                  interpolate8x8_halfpel_h  = interpolate8x8_halfpel_h_mmx;
276                  interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_mmx;                  interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_mmx;
# Line 209  Line 293 
293                  calc_cbp = calc_cbp_mmx;                  calc_cbp = calc_cbp_mmx;
294                  sad16    = sad16_mmx;                  sad16    = sad16_mmx;
295                  sad8     = sad8_mmx;                  sad8     = sad8_mmx;
296                    sad16bi = sad16bi_mmx;
297                    sad8bi  = sad8bi_mmx;
298                  dev16    = dev16_mmx;                  dev16    = dev16_mmx;
299    
300          }          }
301    
302            /* these 3dnow functions are faster than mmx, but slower than xmm. */
303            if ((cpu_flags & XVID_CPU_3DNOW) > 0) {
304    
305                    /* ME functions */
306                    sad16bi = sad16bi_3dn;
307                    sad8bi  = sad8bi_3dn;
308            }
309    
310    
311          if ((cpu_flags & XVID_CPU_MMXEXT) > 0) {          if ((cpu_flags & XVID_CPU_MMXEXT) > 0) {
312    
313                  /* Inverse DCT */                  /* Inverse DCT */
# Line 223  Line 318 
318                  interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_xmm;                  interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_xmm;
319                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_xmm;                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_xmm;
320    
321                    /* Quantization */
322                    dequant_intra = dequant_intra_xmm;
323                    dequant_inter = dequant_inter_xmm;
324    
325                  /* Buffer transfer */                  /* Buffer transfer */
326                  transfer_8to16sub2 = transfer_8to16sub2_xmm;                  transfer_8to16sub2 = transfer_8to16sub2_xmm;
327    
# Line 232  Line 331 
331                  /* ME functions */                  /* ME functions */
332                  sad16 = sad16_xmm;                  sad16 = sad16_xmm;
333                  sad8  = sad8_xmm;                  sad8  = sad8_xmm;
334                    sad16bi = sad16bi_xmm;
335                    sad8bi  = sad8bi_xmm;
336                  dev16 = dev16_xmm;                  dev16 = dev16_xmm;
337    
338          }          }
# Line 247  Line 348 
348          if ((cpu_flags & XVID_CPU_SSE2) > 0) {          if ((cpu_flags & XVID_CPU_SSE2) > 0) {
349  #ifdef EXPERIMENTAL_SSE2_CODE  #ifdef EXPERIMENTAL_SSE2_CODE
350    
351                    calc_cbp = calc_cbp_sse2;
352    
353                  /* Quantization */                  /* Quantization */
354                  quant_intra   = quant_intra_sse2;                  quant_intra   = quant_intra_sse2;
355                  dequant_intra = dequant_intra_sse2;                  dequant_intra = dequant_intra_sse2;
# Line 254  Line 357 
357                  dequant_inter = dequant_inter_sse2;                  dequant_inter = dequant_inter_sse2;
358    
359                  /* ME */                  /* ME */
                 calc_cbp = calc_cbp_sse2;  
360                  sad16    = sad16_sse2;                  sad16    = sad16_sse2;
361                  dev16    = dev16_sse2;                  dev16    = dev16_sse2;
362    
# Line 278  Line 380 
380            sad16bi = sad16bi_ia64;            sad16bi = sad16bi_ia64;
381            sad8 = sad8_ia64;            sad8 = sad8_ia64;
382            dev16 = dev16_ia64;            dev16 = dev16_ia64;
383              Halfpel8_Refine = Halfpel8_Refine_ia64;
384            quant_intra = quant_intra_ia64;            quant_intra = quant_intra_ia64;
385            dequant_intra = dequant_intra_ia64;            dequant_intra = dequant_intra_ia64;
386            quant_inter = quant_inter_ia64;            quant_inter = quant_inter_ia64;
# Line 306  Line 409 
409  #endif  #endif
410  #endif  #endif
411    
         /* Inform the client the API version */  
         init_param->api_version = API_VERSION;  
   
         /* Inform the client the core build - unused because we're still alpha */  
         init_param->core_build = 1000;  
   
412          return XVID_ERR_OK;          return XVID_ERR_OK;
413  }  }
414    

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