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revision 1.20, Fri Jun 21 16:12:47 2002 UTC revision 1.31, Thu Jul 18 13:47:46 2002 UTC
# Line 27  Line 27 
27   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
28   *   *
29   ****************************************************************************/   ****************************************************************************/
30    
31  /*****************************************************************************  /*****************************************************************************
32   *   *
33   *  History   *  History
34   *   *
35     *      - 23.06.2002    added XVID_CPU_CHKONLY
36   *  - 17.03.2002        Added interpolate8x8_halfpel_hv_xmm   *  - 17.03.2002        Added interpolate8x8_halfpel_hv_xmm
37   *  - 22.12.2001  API change: added xvid_init() - Isibaar   *  - 22.12.2001  API change: added xvid_init() - Isibaar
38   *  - 16.12.2001        inital version; (c)2001 peter ross <pross@cs.rmit.edu.au>   *  - 16.12.2001        inital version; (c)2001 peter ross <pross@cs.rmit.edu.au>
# Line 50  Line 52 
52  #include "utils/mem_transfer.h"  #include "utils/mem_transfer.h"
53  #include "quant/quant_h263.h"  #include "quant/quant_h263.h"
54  #include "quant/quant_mpeg4.h"  #include "quant/quant_mpeg4.h"
55    #include "motion/motion.h"
56  #include "motion/sad.h"  #include "motion/sad.h"
57  #include "utils/emms.h"  #include "utils/emms.h"
58  #include "utils/timer.h"  #include "utils/timer.h"
59  #include "bitstream/mbcoding.h"  #include "bitstream/mbcoding.h"
60    
61    #if defined(ARCH_X86) && defined(EXPERIMENTAL_SSE2_CODE)
62    
63    #ifdef WIN32
64    #include <windows.h>
65    #else
66    #include <signal.h>
67    #include <setjmp.h>
68    #endif
69    
70    
71    #ifndef WIN32
72    
73    static jmp_buf mark;
74    
75    static void
76    sigill_handler(int signal)
77    {
78       longjmp(mark, 1);
79    }
80    #endif
81    
82    
83    /*
84    calls the funcptr, and returns whether SIGILL (illegal instruction) was signalled
85    return values:
86    -1 : could not determine
87    0  : SIGILL was *not* signalled
88    1  : SIGILL was signalled
89    */
90    
91    int
92    sigill_check(void (*func)())
93    {
94    #ifdef WIN32
95            _try {
96                    func();
97            }
98            _except(EXCEPTION_EXECUTE_HANDLER) {
99    
100                    if (_exception_code() == STATUS_ILLEGAL_INSTRUCTION)
101                            return 1;
102            }
103            return 0;
104    #else
105        void * old_handler;
106        int jmpret;
107    
108    
109        old_handler = signal(SIGILL, sigill_handler);
110        if (old_handler == SIG_ERR)
111        {
112            return -1;
113        }
114    
115        jmpret = setjmp(mark);
116        if (jmpret == 0)
117        {
118            func();
119        }
120    
121        signal(SIGILL, old_handler);
122    
123        return jmpret;
124    #endif
125    }
126    #endif
127    
128  /*****************************************************************************  /*****************************************************************************
129   * XviD Init Entry point   * XviD Init Entry point
130   *   *
# Line 80  Line 150 
150    
151          init_param = (XVID_INIT_PARAM *) param1;          init_param = (XVID_INIT_PARAM *) param1;
152    
153            /* Inform the client the API version */
154            init_param->api_version = API_VERSION;
155    
156            /* Inform the client the core build - unused because we're still alpha */
157            init_param->core_build = 1000;
158    
159          /* Do we have to force CPU features  ? */          /* Do we have to force CPU features  ? */
160          if ((init_param->cpu_flags & XVID_CPU_FORCE) > 0) {          if ((init_param->cpu_flags & XVID_CPU_FORCE)) {
161    
162                  cpu_flags = init_param->cpu_flags;                  cpu_flags = init_param->cpu_flags;
163    
164          } else {          } else {
165    
 #ifdef ARCH_X86  
166                  cpu_flags = check_cpu_features();                  cpu_flags = check_cpu_features();
167  #else  
168                  cpu_flags = 0;  #if defined(ARCH_X86) && defined(EXPERIMENTAL_SSE2_CODE)
169                    if ((cpu_flags & XVID_CPU_SSE) && sigill_check(sse_os_trigger))
170                            cpu_flags &= ~XVID_CPU_SSE;
171    
172                    if ((cpu_flags & XVID_CPU_SSE2) && sigill_check(sse2_os_trigger))
173                            cpu_flags &= ~XVID_CPU_SSE2;
174  #endif  #endif
175            }
176    
177            if ((init_param->cpu_flags & XVID_CPU_CHKONLY))
178            {
179                  init_param->cpu_flags = cpu_flags;                  init_param->cpu_flags = cpu_flags;
180                    return XVID_ERR_OK;
181          }          }
182    
183            init_param->cpu_flags = cpu_flags;
184    
185    
186          /* Initialize the function pointers */          /* Initialize the function pointers */
187          idct_int32_init();          idct_int32_init();
188          init_vlc_tables();          init_vlc_tables();
# Line 158  Line 248 
248          sad16bi  = sad16bi_c;          sad16bi  = sad16bi_c;
249          sad8     = sad8_c;          sad8     = sad8_c;
250          dev16    = dev16_c;          dev16    = dev16_c;
251            Halfpel8_Refine = Halfpel8_Refine_c;
252    
253  #ifdef ARCH_X86  #ifdef ARCH_X86
254          if ((cpu_flags & XVID_CPU_MMX) > 0) {          if ((cpu_flags & XVID_CPU_MMX) > 0) {
# Line 184  Line 275 
275                  transfer_8to16copy = transfer_8to16copy_mmx;                  transfer_8to16copy = transfer_8to16copy_mmx;
276                  transfer_16to8copy = transfer_16to8copy_mmx;                  transfer_16to8copy = transfer_16to8copy_mmx;
277                  transfer_8to16sub  = transfer_8to16sub_mmx;                  transfer_8to16sub  = transfer_8to16sub_mmx;
278                    transfer_8to16sub2 = transfer_8to16sub2_mmx;
279                  transfer_16to8add  = transfer_16to8add_mmx;                  transfer_16to8add  = transfer_16to8add_mmx;
280                  transfer8x8_copy   = transfer8x8_copy_mmx;                  transfer8x8_copy   = transfer8x8_copy_mmx;
281    
282    
283                  /* Image Interpolation related functions */                  /* Image Interpolation related functions */
284                  interpolate8x8_halfpel_h  = interpolate8x8_halfpel_h_mmx;                  interpolate8x8_halfpel_h  = interpolate8x8_halfpel_h_mmx;
285                  interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_mmx;                  interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_mmx;
# Line 223  Line 316 
316                  interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_xmm;                  interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_xmm;
317                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_xmm;                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_xmm;
318    
319                    /* Quantization */
320                    dequant_intra = dequant_intra_xmm;
321                    dequant_inter = dequant_inter_xmm;
322    
323                  /* Buffer transfer */                  /* Buffer transfer */
324                  transfer_8to16sub2 = transfer_8to16sub2_xmm;                  transfer_8to16sub2 = transfer_8to16sub2_xmm;
325    
# Line 231  Line 328 
328    
329                  /* ME functions */                  /* ME functions */
330                  sad16 = sad16_xmm;                  sad16 = sad16_xmm;
331                    sad16bi = sad16bi_xmm;
332                  sad8  = sad8_xmm;                  sad8  = sad8_xmm;
333                  dev16 = dev16_xmm;                  dev16 = dev16_xmm;
334    
# Line 247  Line 345 
345          if ((cpu_flags & XVID_CPU_SSE2) > 0) {          if ((cpu_flags & XVID_CPU_SSE2) > 0) {
346  #ifdef EXPERIMENTAL_SSE2_CODE  #ifdef EXPERIMENTAL_SSE2_CODE
347    
348                    calc_cbp = calc_cbp_sse2;
349    
350                  /* Quantization */                  /* Quantization */
351                  quant_intra   = quant_intra_sse2;                  quant_intra   = quant_intra_sse2;
352                  dequant_intra = dequant_intra_sse2;                  dequant_intra = dequant_intra_sse2;
# Line 254  Line 354 
354                  dequant_inter = dequant_inter_sse2;                  dequant_inter = dequant_inter_sse2;
355    
356                  /* ME */                  /* ME */
                 calc_cbp = calc_cbp_sse2;  
357                  sad16    = sad16_sse2;                  sad16    = sad16_sse2;
358                  dev16    = dev16_sse2;                  dev16    = dev16_sse2;
359    
# Line 278  Line 377 
377            sad16bi = sad16bi_ia64;            sad16bi = sad16bi_ia64;
378            sad8 = sad8_ia64;            sad8 = sad8_ia64;
379            dev16 = dev16_ia64;            dev16 = dev16_ia64;
380              Halfpel8_Refine = Halfpel8_Refine_ia64;
381            quant_intra = quant_intra_ia64;            quant_intra = quant_intra_ia64;
382            dequant_intra = dequant_intra_ia64;            dequant_intra = dequant_intra_ia64;
383            quant_inter = quant_inter_ia64;            quant_inter = quant_inter_ia64;
# Line 306  Line 406 
406  #endif  #endif
407  #endif  #endif
408    
         /* 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;  
   
409          return XVID_ERR_OK;          return XVID_ERR_OK;
410  }  }
411    

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