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* - 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> |
39 |
* |
* |
40 |
* $Id: xvid.c,v 1.25 2002-07-07 13:21:34 Isibaar Exp $ |
* $Id: xvid.c,v 1.31 2002-07-18 13:47:46 suxen_drol Exp $ |
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* |
* |
42 |
****************************************************************************/ |
****************************************************************************/ |
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|
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" |
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#include "motion/motion.h" |
56 |
#include "motion/sad.h" |
#include "motion/sad.h" |
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#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" |
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#if defined(ARCH_X86) && defined(EXPERIMENTAL_SSE2_CODE) |
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#ifdef WIN32 |
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#include <windows.h> |
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#else |
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#include <signal.h> |
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#include <setjmp.h> |
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#endif |
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71 |
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#ifndef WIN32 |
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static jmp_buf mark; |
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static void |
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sigill_handler(int signal) |
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{ |
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longjmp(mark, 1); |
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} |
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#endif |
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/* |
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calls the funcptr, and returns whether SIGILL (illegal instruction) was signalled |
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return values: |
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-1 : could not determine |
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0 : SIGILL was *not* signalled |
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1 : SIGILL was signalled |
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*/ |
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int |
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sigill_check(void (*func)()) |
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{ |
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#ifdef WIN32 |
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_try { |
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func(); |
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} |
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_except(EXCEPTION_EXECUTE_HANDLER) { |
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if (_exception_code() == STATUS_ILLEGAL_INSTRUCTION) |
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return 1; |
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} |
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return 0; |
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#else |
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void * old_handler; |
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int jmpret; |
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109 |
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old_handler = signal(SIGILL, sigill_handler); |
110 |
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if (old_handler == SIG_ERR) |
111 |
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{ |
112 |
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return -1; |
113 |
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} |
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115 |
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jmpret = setjmp(mark); |
116 |
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if (jmpret == 0) |
117 |
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{ |
118 |
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func(); |
119 |
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} |
120 |
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121 |
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signal(SIGILL, old_handler); |
122 |
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123 |
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return jmpret; |
124 |
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#endif |
125 |
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} |
126 |
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#endif |
127 |
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|
128 |
/***************************************************************************** |
/***************************************************************************** |
129 |
* XviD Init Entry point |
* XviD Init Entry point |
130 |
* |
* |
156 |
/* Inform the client the core build - unused because we're still alpha */ |
/* Inform the client the core build - unused because we're still alpha */ |
157 |
init_param->core_build = 1000; |
init_param->core_build = 1000; |
158 |
|
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if ((init_param->cpu_flags & XVID_CPU_CHKONLY)) |
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{ |
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init_param->cpu_flags = check_cpu_features(); |
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return XVID_ERR_OK; |
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} |
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|
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 |
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|
162 |
cpu_flags = init_param->cpu_flags; |
cpu_flags = init_param->cpu_flags; |
163 |
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|
164 |
} else { |
} else { |
165 |
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|
166 |
cpu_flags = check_cpu_features(); |
cpu_flags = check_cpu_features(); |
167 |
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|
168 |
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#if defined(ARCH_X86) && defined(EXPERIMENTAL_SSE2_CODE) |
169 |
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if ((cpu_flags & XVID_CPU_SSE) && sigill_check(sse_os_trigger)) |
170 |
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cpu_flags &= ~XVID_CPU_SSE; |
171 |
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|
172 |
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if ((cpu_flags & XVID_CPU_SSE2) && sigill_check(sse2_os_trigger)) |
173 |
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cpu_flags &= ~XVID_CPU_SSE2; |
174 |
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#endif |
175 |
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} |
176 |
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|
177 |
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if ((init_param->cpu_flags & XVID_CPU_CHKONLY)) |
178 |
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{ |
179 |
init_param->cpu_flags = cpu_flags; |
init_param->cpu_flags = cpu_flags; |
180 |
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return XVID_ERR_OK; |
181 |
} |
} |
182 |
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|
183 |
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init_param->cpu_flags = cpu_flags; |
184 |
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|
185 |
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|
186 |
/* Initialize the function pointers */ |
/* Initialize the function pointers */ |
187 |
idct_int32_init(); |
idct_int32_init(); |
188 |
init_vlc_tables(); |
init_vlc_tables(); |
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) { |
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; |