52 |
unsigned int xvid_debug = 0; /* xvid debug mask */ |
unsigned int xvid_debug = 0; /* xvid debug mask */ |
53 |
#endif |
#endif |
54 |
|
|
55 |
#if defined(ARCH_IS_IA32) |
#if defined(ARCH_IS_IA32) && defined(_MSC_VER) |
|
#if defined(_MSC_VER) |
|
56 |
# include <windows.h> |
# include <windows.h> |
57 |
#else |
#elif defined(ARCH_IS_IA32) || defined(ARCH_IS_PPC) |
58 |
# include <signal.h> |
# include <signal.h> |
59 |
# include <setjmp.h> |
# include <setjmp.h> |
60 |
|
|
77 |
* 0 : SIGILL was *not* signalled |
* 0 : SIGILL was *not* signalled |
78 |
* 1 : SIGILL was signalled |
* 1 : SIGILL was signalled |
79 |
*/ |
*/ |
80 |
|
#if defined(ARCH_IS_IA32) && defined(_MSC_VER) |
81 |
int |
static int |
82 |
sigill_check(void (*func)()) |
sigill_check(void (*func)()) |
83 |
{ |
{ |
|
#if defined(_MSC_VER) |
|
84 |
_try { |
_try { |
85 |
func(); |
func(); |
86 |
} |
} _except(EXCEPTION_EXECUTE_HANDLER) { |
|
_except(EXCEPTION_EXECUTE_HANDLER) { |
|
87 |
|
|
88 |
if (_exception_code() == STATUS_ILLEGAL_INSTRUCTION) |
if (_exception_code() == STATUS_ILLEGAL_INSTRUCTION) |
89 |
return 1; |
return(1); |
90 |
} |
} |
91 |
return 0; |
return(0); |
92 |
#else |
} |
93 |
|
#elif defined(ARCH_IS_IA32) || defined(ARCH_IS_PPC) |
94 |
|
static int |
95 |
|
sigill_check(void (*func)()) |
96 |
|
{ |
97 |
void * old_handler; |
void * old_handler; |
98 |
int jmpret; |
int jmpret; |
99 |
|
|
100 |
|
/* Set our SIGILL handler */ |
101 |
old_handler = signal(SIGILL, sigill_handler); |
old_handler = signal(SIGILL, sigill_handler); |
102 |
if (old_handler == SIG_ERR) |
|
103 |
{ |
/* Check for error */ |
104 |
return -1; |
if (old_handler == SIG_ERR) { |
105 |
|
return(-1); |
106 |
} |
} |
107 |
|
|
108 |
|
/* Save stack context, so if func triggers a SIGILL, we can still roll |
109 |
|
* back to a valid CPU state */ |
110 |
jmpret = setjmp(mark); |
jmpret = setjmp(mark); |
111 |
if (jmpret == 0) |
|
112 |
{ |
/* If setjmp returned directly, then its returned value is 0, and we still |
113 |
|
* have to test the passed func. Otherwise it means the stack context has |
114 |
|
* been restored by a longjmp() call, which in our case happens only in the |
115 |
|
* signal handler */ |
116 |
|
if (jmpret == 0) { |
117 |
func(); |
func(); |
118 |
} |
} |
119 |
|
|
120 |
|
/* Restore old signal handler */ |
121 |
signal(SIGILL, old_handler); |
signal(SIGILL, old_handler); |
122 |
|
|
123 |
return jmpret; |
return(jmpret); |
|
#endif |
|
124 |
} |
} |
125 |
#endif |
#endif |
126 |
|
|
142 |
#endif |
#endif |
143 |
|
|
144 |
#if defined(ARCH_IS_PPC) |
#if defined(ARCH_IS_PPC) |
145 |
#if defined(ARCH_IS_PPC_ALTIVEC) |
if (!sigill_check(altivec_trigger)) |
146 |
cpu_flags |= XVID_CPU_ALTIVEC; |
cpu_flags |= XVID_CPU_ALTIVEC; |
147 |
#endif |
#endif |
|
#endif |
|
148 |
|
|
149 |
return cpu_flags; |
return cpu_flags; |
150 |
} |
} |
543 |
#endif |
#endif |
544 |
|
|
545 |
#if defined(ARCH_IS_PPC) |
#if defined(ARCH_IS_PPC) |
546 |
if ((cpu_flags & XVID_CPU_ASM)) |
if ((cpu_flags & XVID_CPU_ALTIVEC)) { |
547 |
{ |
/* sad operators */ |
548 |
calc_cbp = calc_cbp_ppc; |
sad16 = sad16_altivec_c; |
549 |
} |
sad16bi = sad16bi_altivec_c; |
550 |
|
sad8 = sad8_altivec_c; |
551 |
|
dev16 = dev16_altivec_c; |
552 |
|
|
553 |
|
sse8_16bit = sse8_16bit_altivec_c; |
554 |
|
|
555 |
|
/* mem transfer */ |
556 |
|
transfer_8to16copy = transfer_8to16copy_altivec_c; |
557 |
|
transfer_16to8copy = transfer_16to8copy_altivec_c; |
558 |
|
transfer_8to16sub = transfer_8to16sub_altivec_c; |
559 |
|
transfer_8to16subro = transfer_8to16subro_altivec_c; |
560 |
|
transfer_8to16sub2 = transfer_8to16sub2_altivec_c; |
561 |
|
transfer_16to8add = transfer_16to8add_altivec_c; |
562 |
|
transfer8x8_copy = transfer8x8_copy_altivec_c; |
563 |
|
|
564 |
if ((cpu_flags & XVID_CPU_ALTIVEC)) |
/* Inverse DCT */ |
565 |
{ |
idct = idct_altivec_c; |
566 |
calc_cbp = calc_cbp_altivec; |
|
567 |
fdct = fdct_altivec; |
/* Interpolation */ |
568 |
idct = idct_altivec; |
interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_altivec_c; |
569 |
sadInit = sadInit_altivec; |
interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_altivec_c; |
570 |
sad16 = sad16_altivec; |
interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_altivec_c; |
571 |
sad8 = sad8_altivec; |
|
572 |
dev16 = dev16_altivec; |
interpolate8x8_avg2 = interpolate8x8_avg2_altivec_c; |
573 |
|
interpolate8x8_avg4 = interpolate8x8_avg4_altivec_c; |
574 |
|
|
575 |
|
interpolate8x8_6tap_lowpass_h = interpolate8x8_6tap_lowpass_h_altivec_c; |
576 |
|
|
577 |
|
/* Colorspace conversion */ |
578 |
|
bgra_to_yv12 = bgra_to_yv12_altivec_c; |
579 |
|
abgr_to_yv12 = abgr_to_yv12_altivec_c; |
580 |
|
rgba_to_yv12 = rgba_to_yv12_altivec_c; |
581 |
|
argb_to_yv12 = argb_to_yv12_altivec_c; |
582 |
|
|
583 |
|
yuyv_to_yv12 = yuyv_to_yv12_altivec_c; |
584 |
|
uyvy_to_yv12 = uyvy_to_yv12_altivec_c; |
585 |
|
|
586 |
|
yv12_to_yuyv = yv12_to_yuyv_altivec_c; |
587 |
|
yv12_to_uyvy = yv12_to_uyvy_altivec_c; |
588 |
|
|
589 |
|
/* Quantization */ |
590 |
|
quant_h263_intra = quant_h263_intra_altivec_c; |
591 |
|
quant_h263_inter = quant_h263_inter_altivec_c; |
592 |
|
dequant_h263_intra = dequant_h263_intra_altivec_c; |
593 |
|
dequant_h263_inter = dequant_h263_inter_altivec_c; |
594 |
} |
} |
595 |
#endif |
#endif |
596 |
|
|
598 |
xvid_debug = init->debug; |
xvid_debug = init->debug; |
599 |
#endif |
#endif |
600 |
|
|
601 |
return 0; |
return(0); |
602 |
} |
} |
603 |
|
|
604 |
|
|