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revision 1.1.1.1, Fri Mar 8 02:44:33 2002 UTC revision 1.86, Fri Dec 31 11:30:38 2010 UTC
# Line 1  Line 1 
1  /**************************************************************************  /*****************************************************************************
2   *   *
3   *      XVID MPEG-4 VIDEO CODEC   *      XVID MPEG-4 VIDEO CODEC
4   *      native api   *  - Native API implementation  -
5   *   *
6   *      This program is an implementation of a part of one or more MPEG-4   *  Copyright(C) 2001-2004 Peter Ross <pross@xvid.org>
7   *      Video tools as specified in ISO/IEC 14496-2 standard.  Those intending   *               2002-2010 Michael Militzer <isibaar@xvid.org>
  *      to use this software module in hardware or software products are  
  *      advised that its use may infringe existing patents or copyrights, and  
  *      any such use would be at such party's own risk.  The original  
  *      developer of this software module and his/her company, and subsequent  
  *      editors and their companies, will have no liability for use of this  
  *      software or modifications or derivatives thereof.  
8   *   *
9   *      This program is free software; you can redistribute it and/or modify   *      This program is free software; you can redistribute it and/or modify
10   *      it under the terms of the GNU General Public License as published by   *      it under the terms of the GNU General Public License as published by
# Line 24  Line 18 
18   *   *
19   *      You should have received a copy of the GNU General Public License   *      You should have received a copy of the GNU General Public License
20   *      along with this program; if not, write to the Free Software   *      along with this program; if not, write to the Free Software
21   *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
22   *   *
23   *************************************************************************/   * $Id$
   
 /**************************************************************************  
  *  
  *      History:  
  *  
  *  22.12.2001  API change: added xvid_init() - Isibaar  
  *      16.12.2001      inital version; (c)2001 peter ross <pross@cs.rmit.edu.au>  
24   *   *
25   *************************************************************************/   ****************************************************************************/
26    
27    #include <stdio.h>
28    #include <stdlib.h>
29    #include <string.h>
30    #include <time.h>
31    
32    #if !defined(_WIN32)
33    #include <unistd.h>
34    #endif
35    
36    #if defined(__APPLE__) && defined(__MACH__) && !defined(_SC_NPROCESSORS_CONF)
37    #include <sys/types.h>
38    #include <sys/sysctl.h>
39    #ifdef MAX
40    #undef MAX
41    #endif
42    #ifdef MIN
43    #undef MIN
44    #endif
45    #endif
46    
47    #if defined(__amigaos4__)
48    #include <exec/exec.h>
49    #include <proto/exec.h>
50    #endif
51    
52  #include "xvid.h"  #include "xvid.h"
53  #include "decoder.h"  #include "decoder.h"
# Line 47  Line 58 
58  #include "image/colorspace.h"  #include "image/colorspace.h"
59  #include "image/interpolate8x8.h"  #include "image/interpolate8x8.h"
60  #include "utils/mem_transfer.h"  #include "utils/mem_transfer.h"
61  #include "quant/quant_h263.h"  #include "utils/mbfunctions.h"
62  #include "quant/quant_mpeg4.h"  #include "quant/quant.h"
63    #include "motion/motion.h"
64    #include "motion/gmc.h"
65  #include "motion/sad.h"  #include "motion/sad.h"
66  #include "utils/emms.h"  #include "utils/emms.h"
67  #include "utils/timer.h"  #include "utils/timer.h"
68    #include "bitstream/mbcoding.h"
69    #include "image/qpel.h"
70    #include "image/postprocessing.h"
71    
72    #if defined(_DEBUG)
73    unsigned int xvid_debug = 0; /* xvid debug mask */
74    #endif
75    
76    #if (defined(ARCH_IS_IA32) || defined(ARCH_IS_X86_64)) && defined(_MSC_VER)
77    #       include <windows.h>
78    #elif defined(ARCH_IS_IA32) || defined(ARCH_IS_X86_64) || (defined(ARCH_IS_PPC) && !defined(__amigaos4__))
79    #       include <signal.h>
80    #       include <setjmp.h>
81    
82            static jmp_buf mark;
83    
84            static void
85            sigill_handler(int signal)
86            {
87               longjmp(mark, 1);
88            }
89    #endif
90    
91    /*
92     * Calls the funcptr, and returns whether SIGILL (illegal instruction) was
93     * signalled
94     *
95     * Return values:
96     *  -1 : could not determine
97     *   0 : SIGILL was *not* signalled
98     *   1 : SIGILL was signalled
99     */
100    #if (defined(ARCH_IS_IA32) || defined(ARCH_IS_X86_64)) && defined(_MSC_VER)
101    static int
102    sigill_check(void (*func)())
103    {
104            _try {
105                    func();
106            } _except(EXCEPTION_EXECUTE_HANDLER) {
107    
108  int xvid_init(void *handle, int opt, void *param1, void *param2)                  if (_exception_code() == STATUS_ILLEGAL_INSTRUCTION)
109                            return(1);
110            }
111            return(0);
112    }
113    #elif defined(ARCH_IS_IA32) || defined(ARCH_IS_X86_64) || (defined(ARCH_IS_PPC) && !defined(__amigaos4__))
114    static int
115    sigill_check(void (*func)())
116    {
117        void *old_handler;
118        int jmpret;
119    
120        /* Set our SIGILL handler */
121        old_handler = signal(SIGILL, sigill_handler);
122    
123        /* Check for error */
124        if (old_handler == SIG_ERR) {
125            return(-1);
126        }
127    
128        /* Save stack context, so if func triggers a SIGILL, we can still roll
129             * back to a valid CPU state */
130            jmpret = setjmp(mark);
131    
132            /* If setjmp returned directly, then its returned value is 0, and we still
133             * have to test the passed func. Otherwise it means the stack context has
134             * been restored by a longjmp() call, which in our case happens only in the
135             * signal handler */
136        if (jmpret == 0) {
137            func();
138        }
139    
140        /* Restore old signal handler */
141        signal(SIGILL, old_handler);
142    
143        return(jmpret);
144    }
145    #endif
146    
147    
148    /* detect cpu flags  */
149    static unsigned int
150    detect_cpu_flags(void)
151  {  {
152          int cpu_flags;          /* enable native assembly optimizations by default */
153          XVID_INIT_PARAM *init_param;          unsigned int cpu_flags = XVID_CPU_ASM;
154    
155          init_param = (XVID_INIT_PARAM *) param1;  #if defined(ARCH_IS_IA32) || defined(ARCH_IS_X86_64)
156            cpu_flags |= check_cpu_features();
157            if ((cpu_flags & XVID_CPU_SSE) && sigill_check(sse_os_trigger))
158                    cpu_flags &= ~XVID_CPU_SSE;
159    
160          // force specific cpu settings?          if ((cpu_flags & (XVID_CPU_SSE2|XVID_CPU_SSE3|XVID_CPU_SSE41)) && sigill_check(sse2_os_trigger))
161          if((init_param->cpu_flags & XVID_CPU_FORCE) > 0)                  cpu_flags &= ~(XVID_CPU_SSE2|XVID_CPU_SSE3|XVID_CPU_SSE41);
162                  cpu_flags = init_param->cpu_flags;  #endif
         else {  
163    
164  #ifdef ARCH_X86  #if defined(ARCH_IS_PPC)
165                  cpu_flags = check_cpu_features();  #if defined(__amigaos4__)
166            {
167                    uint32_t vector_unit = VECTORTYPE_NONE;
168                    IExec->GetCPUInfoTags(GCIT_VectorUnit, &vector_unit, TAG_END);
169                    if (vector_unit == VECTORTYPE_ALTIVEC) {
170                            cpu_flags |= XVID_CPU_ALTIVEC;
171                    }
172            }
173  #else  #else
174                  cpu_flags = 0;          if (!sigill_check(altivec_trigger))
175                    cpu_flags |= XVID_CPU_ALTIVEC;
176    #endif
177  #endif  #endif
178                  init_param->cpu_flags = cpu_flags;  
179            return cpu_flags;
180          }          }
181    
         // initialize the function pointers  
         idct_int32_init();  
182    
183          init_timer();  /*****************************************************************************
184     * Xvid Init Entry point
185     *
186     * Well this function initialize all internal function pointers according
187     * to the CPU features forced by the library client or autodetected (depending
188     * on the XVID_CPU_FORCE flag). It also initializes vlc coding tables and all
189     * image colorspace transformation tables.
190     *
191     * Returned value : XVID_ERR_OK
192     *                  + API_VERSION in the input XVID_INIT_PARAM structure
193     *                  + core build  "   "    "       "               "
194     *
195     ****************************************************************************/
196    
197    
198    static
199    int xvid_gbl_init(xvid_gbl_init_t * init)
200    {
201            unsigned int cpu_flags;
202    
203            if (XVID_VERSION_MAJOR(init->version) != 1) /* v1.x.x */
204                    return XVID_ERR_VERSION;
205    
206            cpu_flags = (init->cpu_flags & XVID_CPU_FORCE) ? init->cpu_flags : detect_cpu_flags();
207    
208            /* Initialize the function pointers */
209            idct_int32_init();
210            init_vlc_tables();
211    
212            /* Fixed Point Forward/Inverse DCT transformations */
213          fdct = fdct_int32;          fdct = fdct_int32;
214          idct = idct_int32;          idct = idct_int32;
215    
216            /* Only needed on PPC Altivec archs */
217            sadInit = NULL;
218    
219            /* Restore FPU context : emms_c is a nop functions */
220          emms = emms_c;          emms = emms_c;
221    
222          quant_intra = quant_intra_c;          /* Qpel stuff */
223          dequant_intra = dequant_intra_c;          xvid_QP_Funcs = &xvid_QP_Funcs_C;
224          quant_inter = quant_inter_c;          xvid_QP_Add_Funcs = &xvid_QP_Add_Funcs_C;
225          dequant_inter = dequant_inter_c;          xvid_Init_QP();
226    
227          quant4_intra = quant4_intra_c;          /* Quantization functions */
228          dequant4_intra = dequant4_intra_c;          quant_h263_intra   = quant_h263_intra_c;
229          quant4_inter = quant4_inter_c;          quant_h263_inter   = quant_h263_inter_c;
230          dequant4_inter = dequant4_inter_c;          dequant_h263_intra = dequant_h263_intra_c;
231            dequant_h263_inter = dequant_h263_inter_c;
232    
233            quant_mpeg_intra   = quant_mpeg_intra_c;
234            quant_mpeg_inter   = quant_mpeg_inter_c;
235            dequant_mpeg_intra = dequant_mpeg_intra_c;
236            dequant_mpeg_inter = dequant_mpeg_inter_c;
237    
238            /* Block transfer related functions */
239          transfer_8to16copy = transfer_8to16copy_c;          transfer_8to16copy = transfer_8to16copy_c;
240          transfer_16to8copy = transfer_16to8copy_c;          transfer_16to8copy = transfer_16to8copy_c;
241          transfer_8to16sub = transfer_8to16sub_c;          transfer_8to16sub = transfer_8to16sub_c;
242            transfer_8to16subro  = transfer_8to16subro_c;
243            transfer_8to16sub2 = transfer_8to16sub2_c;
244            transfer_8to16sub2ro = transfer_8to16sub2ro_c;
245          transfer_16to8add = transfer_16to8add_c;          transfer_16to8add = transfer_16to8add_c;
246          transfer8x8_copy = transfer8x8_copy_c;          transfer8x8_copy = transfer8x8_copy_c;
247            transfer8x4_copy   = transfer8x4_copy_c;
248    
249            /* Interlacing functions */
250            MBFieldTest = MBFieldTest_c;
251    
252            /* Image interpolation related functions */
253          interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_c;          interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_c;
254          interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_c;          interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_c;
255          interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_c;          interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_c;
256    
257            interpolate8x4_halfpel_h  = interpolate8x4_halfpel_h_c;
258            interpolate8x4_halfpel_v  = interpolate8x4_halfpel_v_c;
259            interpolate8x4_halfpel_hv = interpolate8x4_halfpel_hv_c;
260    
261            interpolate8x8_halfpel_add = interpolate8x8_halfpel_add_c;
262            interpolate8x8_halfpel_h_add = interpolate8x8_halfpel_h_add_c;
263            interpolate8x8_halfpel_v_add = interpolate8x8_halfpel_v_add_c;
264            interpolate8x8_halfpel_hv_add = interpolate8x8_halfpel_hv_add_c;
265    
266            interpolate16x16_lowpass_h = interpolate16x16_lowpass_h_c;
267            interpolate16x16_lowpass_v = interpolate16x16_lowpass_v_c;
268            interpolate16x16_lowpass_hv = interpolate16x16_lowpass_hv_c;
269    
270            interpolate8x8_lowpass_h = interpolate8x8_lowpass_h_c;
271            interpolate8x8_lowpass_v = interpolate8x8_lowpass_v_c;
272            interpolate8x8_lowpass_hv = interpolate8x8_lowpass_hv_c;
273    
274            interpolate8x8_6tap_lowpass_h = interpolate8x8_6tap_lowpass_h_c;
275            interpolate8x8_6tap_lowpass_v = interpolate8x8_6tap_lowpass_v_c;
276    
277            interpolate8x8_avg2 = interpolate8x8_avg2_c;
278            interpolate8x8_avg4 = interpolate8x8_avg4_c;
279    
280            /* postprocessing */
281            image_brightness = image_brightness_c;
282    
283            /* Initialize internal colorspace transformation tables */
284          colorspace_init();          colorspace_init();
285    
286            /* All colorspace transformation functions User Format->YV12 */
287            yv12_to_yv12    = yv12_to_yv12_c;
288          rgb555_to_yv12 = rgb555_to_yv12_c;          rgb555_to_yv12 = rgb555_to_yv12_c;
289          rgb565_to_yv12 = rgb565_to_yv12_c;          rgb565_to_yv12 = rgb565_to_yv12_c;
290          rgb24_to_yv12 = rgb24_to_yv12_c;          rgb_to_yv12     = rgb_to_yv12_c;
291          rgb32_to_yv12 = rgb32_to_yv12_c;          bgr_to_yv12     = bgr_to_yv12_c;
292          yuv_to_yv12 = yuv_to_yv12_c;          bgra_to_yv12    = bgra_to_yv12_c;
293            abgr_to_yv12    = abgr_to_yv12_c;
294            rgba_to_yv12    = rgba_to_yv12_c;
295            argb_to_yv12    = argb_to_yv12_c;
296          yuyv_to_yv12 = yuyv_to_yv12_c;          yuyv_to_yv12 = yuyv_to_yv12_c;
297          uyvy_to_yv12 = uyvy_to_yv12_c;          uyvy_to_yv12 = uyvy_to_yv12_c;
298    
299            rgb555i_to_yv12 = rgb555i_to_yv12_c;
300            rgb565i_to_yv12 = rgb565i_to_yv12_c;
301            bgri_to_yv12    = bgri_to_yv12_c;
302            bgrai_to_yv12   = bgrai_to_yv12_c;
303            abgri_to_yv12   = abgri_to_yv12_c;
304            rgbai_to_yv12   = rgbai_to_yv12_c;
305            argbi_to_yv12   = argbi_to_yv12_c;
306            yuyvi_to_yv12   = yuyvi_to_yv12_c;
307            uyvyi_to_yv12   = uyvyi_to_yv12_c;
308    
309            /* All colorspace transformation functions YV12->User format */
310          yv12_to_rgb555 = yv12_to_rgb555_c;          yv12_to_rgb555 = yv12_to_rgb555_c;
311          yv12_to_rgb565 = yv12_to_rgb565_c;          yv12_to_rgb565 = yv12_to_rgb565_c;
312          yv12_to_rgb24 = yv12_to_rgb24_c;          yv12_to_rgb     = yv12_to_rgb_c;
313          yv12_to_rgb32 = yv12_to_rgb32_c;          yv12_to_bgr     = yv12_to_bgr_c;
314          yv12_to_yuv = yv12_to_yuv_c;          yv12_to_bgra    = yv12_to_bgra_c;
315            yv12_to_abgr    = yv12_to_abgr_c;
316            yv12_to_rgba    = yv12_to_rgba_c;
317            yv12_to_argb    = yv12_to_argb_c;
318          yv12_to_yuyv = yv12_to_yuyv_c;          yv12_to_yuyv = yv12_to_yuyv_c;
319          yv12_to_uyvy = yv12_to_uyvy_c;          yv12_to_uyvy = yv12_to_uyvy_c;
320    
321            yv12_to_rgb555i = yv12_to_rgb555i_c;
322            yv12_to_rgb565i = yv12_to_rgb565i_c;
323            yv12_to_bgri    = yv12_to_bgri_c;
324            yv12_to_bgrai   = yv12_to_bgrai_c;
325            yv12_to_abgri   = yv12_to_abgri_c;
326            yv12_to_rgbai   = yv12_to_rgbai_c;
327            yv12_to_argbi   = yv12_to_argbi_c;
328            yv12_to_yuyvi   = yv12_to_yuyvi_c;
329            yv12_to_uyvyi   = yv12_to_uyvyi_c;
330    
331            /* Functions used in motion estimation algorithms */
332          calc_cbp = calc_cbp_c;          calc_cbp = calc_cbp_c;
333          sad16 = sad16_c;          sad16 = sad16_c;
334          sad8 = sad8_c;          sad8 = sad8_c;
335            sad16bi       = sad16bi_c;
336            sad8bi        = sad8bi_c;
337          dev16 = dev16_c;          dev16 = dev16_c;
338            sad16v        = sad16v_c;
339            sse8_16bit    = sse8_16bit_c;
340            sse8_8bit     = sse8_8bit_c;
341    
342            sseh8_16bit   = sseh8_16bit_c;
343            coeff8_energy = coeff8_energy_c;
344            blocksum8     = blocksum8_c;
345    
346            init_GMC(cpu_flags);
347    
348    #if defined(ARCH_IS_IA32) || defined(ARCH_IS_X86_64)
349    
350            if ((cpu_flags & XVID_CPU_MMX) || (cpu_flags & XVID_CPU_MMXEXT) ||
351                    (cpu_flags & XVID_CPU_3DNOW) || (cpu_flags & XVID_CPU_3DNOWEXT) ||
352                    (cpu_flags & XVID_CPU_SSE) || (cpu_flags & XVID_CPU_SSE2) ||
353            (cpu_flags & XVID_CPU_SSE3) || (cpu_flags & XVID_CPU_SSE41))
354            {
355                    /* Restore FPU context : emms_c is a nop functions */
356                    emms = emms_mmx;
357            }
358    
359            if ((cpu_flags & XVID_CPU_MMX)) {
360    
361  #ifdef ARCH_X86                  /* Forward and Inverse Discrete Cosine Transformation functions */
362          if((cpu_flags & XVID_CPU_MMX) > 0) {                  fdct = fdct_mmx_skal;
                 fdct = fdct_mmx;  
363                  idct = idct_mmx;                  idct = idct_mmx;
364    
365                  emms = emms_mmx;                  /* Qpel stuff */
366                    xvid_QP_Funcs = &xvid_QP_Funcs_mmx;
367                    xvid_QP_Add_Funcs = &xvid_QP_Add_Funcs_mmx;
368    
369                    /* Quantization related functions */
370                    quant_h263_intra   = quant_h263_intra_mmx;
371                    quant_h263_inter   = quant_h263_inter_mmx;
372                    dequant_h263_intra = dequant_h263_intra_mmx;
373                    dequant_h263_inter = dequant_h263_inter_mmx;
374                    quant_mpeg_intra   = quant_mpeg_intra_mmx;
375                    quant_mpeg_inter   = quant_mpeg_inter_mmx;
376                    dequant_mpeg_intra = dequant_mpeg_intra_mmx;
377                    dequant_mpeg_inter = dequant_mpeg_inter_mmx;
378    
                 quant_intra = quant_intra_mmx;  
                 dequant_intra = dequant_intra_mmx;  
                 quant_inter = quant_inter_mmx;  
                 dequant_inter = dequant_inter_mmx;  
   
                 quant4_intra = quant4_intra_mmx;  
                 dequant4_intra = dequant4_intra_mmx;  
                 quant4_inter = quant4_inter_mmx;  
                 dequant4_inter = dequant4_inter_mmx;  
379    
380                    /* Block related functions */
381                  transfer_8to16copy = transfer_8to16copy_mmx;                  transfer_8to16copy = transfer_8to16copy_mmx;
382                  transfer_16to8copy = transfer_16to8copy_mmx;                  transfer_16to8copy = transfer_16to8copy_mmx;
383                  transfer_8to16sub = transfer_8to16sub_mmx;                  transfer_8to16sub = transfer_8to16sub_mmx;
384                    transfer_8to16subro  = transfer_8to16subro_mmx;
385                    transfer_8to16sub2 = transfer_8to16sub2_mmx;
386                  transfer_16to8add = transfer_16to8add_mmx;                  transfer_16to8add = transfer_16to8add_mmx;
387                  transfer8x8_copy = transfer8x8_copy_mmx;                  transfer8x8_copy = transfer8x8_copy_mmx;
388                    transfer8x4_copy   = transfer8x4_copy_mmx;
389    
390                    /* Interlacing Functions */
391                    MBFieldTest = MBFieldTest_mmx;
392    
393                    /* Image Interpolation related functions */
394                  interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_mmx;                  interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_mmx;
395                  interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_mmx;                  interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_mmx;
396                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_mmx;                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_mmx;
397    
398                  rgb24_to_yv12 = rgb24_to_yv12_mmx;                  interpolate8x4_halfpel_h  = interpolate8x4_halfpel_h_mmx;
399                  rgb32_to_yv12 = rgb32_to_yv12_mmx;                  interpolate8x4_halfpel_v  = interpolate8x4_halfpel_v_mmx;
400                  yuv_to_yv12 = yuv_to_yv12_mmx;                  interpolate8x4_halfpel_hv = interpolate8x4_halfpel_hv_mmx;
401    
402                    interpolate8x8_halfpel_add = interpolate8x8_halfpel_add_mmx;
403                    interpolate8x8_halfpel_h_add = interpolate8x8_halfpel_h_add_mmx;
404                    interpolate8x8_halfpel_v_add = interpolate8x8_halfpel_v_add_mmx;
405                    interpolate8x8_halfpel_hv_add = interpolate8x8_halfpel_hv_add_mmx;
406    
407                    interpolate8x8_6tap_lowpass_h = interpolate8x8_6tap_lowpass_h_mmx;
408                    interpolate8x8_6tap_lowpass_v = interpolate8x8_6tap_lowpass_v_mmx;
409    
410                    interpolate8x8_avg2 = interpolate8x8_avg2_mmx;
411                    interpolate8x8_avg4 = interpolate8x8_avg4_mmx;
412    
413                    /* postprocessing */
414                    image_brightness = image_brightness_mmx;
415    
416                    /* image input xxx_to_yv12 related functions */
417    
418                    yv12_to_yv12  = yv12_to_yv12_mmx;
419    
420                    bgr_to_yv12   = bgr_to_yv12_mmx;
421                    rgb_to_yv12   = rgb_to_yv12_mmx;
422                    bgra_to_yv12  = bgra_to_yv12_mmx;
423                    rgba_to_yv12  = rgba_to_yv12_mmx;
424                  yuyv_to_yv12 = yuyv_to_yv12_mmx;                  yuyv_to_yv12 = yuyv_to_yv12_mmx;
425                  uyvy_to_yv12 = uyvy_to_yv12_mmx;                  uyvy_to_yv12 = uyvy_to_yv12_mmx;
426    
427                  yv12_to_rgb24 = yv12_to_rgb24_mmx;                  /* image output yv12_to_xxx related functions */
428                  yv12_to_rgb32 = yv12_to_rgb32_mmx;                  yv12_to_bgr   = yv12_to_bgr_mmx;
429                    yv12_to_bgra  = yv12_to_bgra_mmx;
430                  yv12_to_yuyv = yv12_to_yuyv_mmx;                  yv12_to_yuyv = yv12_to_yuyv_mmx;
431                  yv12_to_uyvy = yv12_to_uyvy_mmx;                  yv12_to_uyvy = yv12_to_uyvy_mmx;
432    
433                    yv12_to_yuyvi = yv12_to_yuyvi_mmx;
434                    yv12_to_uyvyi = yv12_to_uyvyi_mmx;
435    
436                    /* Motion estimation related functions */
437                  calc_cbp = calc_cbp_mmx;                  calc_cbp = calc_cbp_mmx;
438                  sad16 = sad16_mmx;                  sad16 = sad16_mmx;
439                  sad8 = sad8_mmx;                  sad8 = sad8_mmx;
440                    sad16bi    = sad16bi_mmx;
441                    sad8bi     = sad8bi_mmx;
442                  dev16 = dev16_mmx;                  dev16 = dev16_mmx;
443                    sad16v     = sad16v_mmx;
444                    sse8_16bit = sse8_16bit_mmx;
445                    sse8_8bit  = sse8_8bit_mmx;
446            }
447    
448            /* these 3dnow functions are faster than mmx, but slower than xmm. */
449            if ((cpu_flags & XVID_CPU_3DNOW)) {
450    
451                    emms = emms_3dn;
452    
453                    /* ME functions */
454                    sad16bi = sad16bi_3dn;
455                    sad8bi  = sad8bi_3dn;
456    
457                    yuyv_to_yv12  = yuyv_to_yv12_3dn;
458                    uyvy_to_yv12  = uyvy_to_yv12_3dn;
459    
460          }          }
461    
462          if((cpu_flags & XVID_CPU_MMXEXT) > 0) {  
463            if ((cpu_flags & XVID_CPU_MMXEXT)) {
464    
465                    /* DCT */
466                    fdct = fdct_xmm_skal;
467                  idct = idct_xmm;                  idct = idct_xmm;
468    
469                    /* Interpolation */
470                  interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_xmm;                  interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_xmm;
471                  interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_xmm;                  interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_xmm;
472                  yuv_to_yv12 = yuv_to_yv12_xmm;                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_xmm;
473    
474                    interpolate8x4_halfpel_h  = interpolate8x4_halfpel_h_xmm;
475                    interpolate8x4_halfpel_v  = interpolate8x4_halfpel_v_xmm;
476                    interpolate8x4_halfpel_hv = interpolate8x4_halfpel_hv_xmm;
477    
478                    interpolate8x8_halfpel_add = interpolate8x8_halfpel_add_xmm;
479                    interpolate8x8_halfpel_h_add = interpolate8x8_halfpel_h_add_xmm;
480                    interpolate8x8_halfpel_v_add = interpolate8x8_halfpel_v_add_xmm;
481                    interpolate8x8_halfpel_hv_add = interpolate8x8_halfpel_hv_add_xmm;
482    
483            /* Quantization */
484                    quant_mpeg_inter = quant_mpeg_inter_xmm;
485    
486                    dequant_h263_intra = dequant_h263_intra_xmm;
487                    dequant_h263_inter = dequant_h263_inter_xmm;
488    
489            /* Buffer transfer */
490                    transfer_8to16sub2 = transfer_8to16sub2_xmm;
491                    transfer_8to16sub2ro = transfer_8to16sub2ro_xmm;
492    
493                    /* Colorspace transformation */
494                    /* yv12_to_yv12  = yv12_to_yv12_xmm; */ /* appears to be slow on many machines */
495                    yuyv_to_yv12  = yuyv_to_yv12_xmm;
496                    uyvy_to_yv12  = uyvy_to_yv12_xmm;
497    
498                    /* ME functions */
499                  sad16 = sad16_xmm;                  sad16 = sad16_xmm;
500                  sad8 = sad8_xmm;                  sad8 = sad8_xmm;
501                    sad16bi = sad16bi_xmm;
502                    sad8bi  = sad8bi_xmm;
503                  dev16 = dev16_xmm;                  dev16 = dev16_xmm;
504                    sad16v   = sad16v_xmm;
505          }          }
506    
507          if((cpu_flags & XVID_CPU_3DNOW) > 0) {          if ((cpu_flags & XVID_CPU_3DNOW)) {
508    
509                    /* Interpolation */
510                  interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_3dn;                  interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_3dn;
511                  interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_3dn;                  interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_3dn;
512                    interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_3dn;
513    
514                    interpolate8x4_halfpel_h = interpolate8x4_halfpel_h_3dn;
515                    interpolate8x4_halfpel_v = interpolate8x4_halfpel_v_3dn;
516                    interpolate8x4_halfpel_hv = interpolate8x4_halfpel_hv_3dn;
517            }
518    
519            if ((cpu_flags & XVID_CPU_3DNOWEXT)) {
520    
521                    /* Buffer transfer */
522                    transfer_8to16copy =  transfer_8to16copy_3dne;
523                    transfer_16to8copy = transfer_16to8copy_3dne;
524                    transfer_8to16sub =  transfer_8to16sub_3dne;
525                    transfer_8to16subro =  transfer_8to16subro_3dne;
526                    transfer_16to8add = transfer_16to8add_3dne;
527                    transfer8x8_copy = transfer8x8_copy_3dne;
528                    transfer8x4_copy = transfer8x4_copy_3dne;
529    
530                    if ((cpu_flags & XVID_CPU_MMXEXT)) {
531                            /* Inverse DCT */
532                            idct =  idct_3dne;
533    
534                            /* Buffer transfer */
535                            transfer_8to16sub2 =  transfer_8to16sub2_3dne;
536    
537                            /* Interpolation */
538                            interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_3dne;
539                            interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_3dne;
540                            interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_3dne;
541    
542                            interpolate8x4_halfpel_h = interpolate8x4_halfpel_h_3dne;
543                            interpolate8x4_halfpel_v = interpolate8x4_halfpel_v_3dne;
544                            interpolate8x4_halfpel_hv = interpolate8x4_halfpel_hv_3dne;
545    
546                /* Quantization */
547                            quant_h263_intra = quant_h263_intra_3dne;               /* cmov only */
548                            quant_h263_inter = quant_h263_inter_3dne;
549                            dequant_mpeg_intra = dequant_mpeg_intra_3dne;   /* cmov only */
550                            dequant_mpeg_inter = dequant_mpeg_inter_3dne;
551                            dequant_h263_intra = dequant_h263_intra_3dne;
552                            dequant_h263_inter = dequant_h263_inter_3dne;
553    
554                /* ME functions */
555                            sad16 = sad16_3dne;
556                            sad8 = sad8_3dne;
557                            sad16bi = sad16bi_3dne;
558                            sad8bi = sad8bi_3dne;
559                            dev16 = dev16_3dne;
560                    }
561            }
562    
563            if ((cpu_flags & XVID_CPU_SSE2)) {
564    
565                    calc_cbp = calc_cbp_sse2;
566    
567                    /* Quantization */
568                    quant_h263_intra   = quant_h263_intra_sse2;
569                    quant_h263_inter   = quant_h263_inter_sse2;
570                    dequant_h263_intra = dequant_h263_intra_sse2;
571                    dequant_h263_inter = dequant_h263_inter_sse2;
572    
573                    /* SAD operators */
574                    sad16       = sad16_sse2;
575                    dev16       = dev16_sse2;
576    
577                    /* PSNR-HVS-M distortion metric */
578                    sseh8_16bit   = sseh8_16bit_sse2;
579                    coeff8_energy = coeff8_energy_sse2;
580                    blocksum8     = blocksum8_sse2;
581    
582                    /* DCT operators */
583                    fdct = fdct_sse2_skal;
584                    idct = idct_sse2_skal;   /* Is now IEEE1180 and Walken compliant. */
585    
586                    /* postprocessing */
587                    image_brightness = image_brightness_sse2;
588    
589            }
590    
591            if ((cpu_flags & XVID_CPU_SSE3)) {
592    
593                    /* SAD operators */
594                    sad16    = sad16_sse3;
595                    dev16    = dev16_sse3;
596            }
597    
598    #endif /* ARCH_IS_IA32 */
599    
600    #if defined(ARCH_IS_IA64)
601            if ((cpu_flags & XVID_CPU_ASM)) { /* use assembler routines? */
602              idct_ia64_init();
603              fdct = fdct_ia64;
604              idct = idct_ia64;   /*not yet working, crashes */
605              interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_ia64;
606              interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_ia64;
607              interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_ia64;
608              sad16 = sad16_ia64;
609              sad16bi = sad16bi_ia64;
610              sad8 = sad8_ia64;
611              dev16 = dev16_ia64;
612    /*        Halfpel8_Refine = Halfpel8_Refine_ia64; */
613              quant_h263_intra = quant_h263_intra_ia64;
614              quant_h263_inter = quant_h263_inter_ia64;
615              dequant_h263_intra = dequant_h263_intra_ia64;
616              dequant_h263_inter = dequant_h263_inter_ia64;
617              transfer_8to16copy = transfer_8to16copy_ia64;
618              transfer_16to8copy = transfer_16to8copy_ia64;
619              transfer_8to16sub = transfer_8to16sub_ia64;
620              transfer_8to16sub2 = transfer_8to16sub2_ia64;
621              transfer_16to8add = transfer_16to8add_ia64;
622              transfer8x8_copy = transfer8x8_copy_ia64;
623            }
624    #endif
625    
626    #if defined(ARCH_IS_PPC)
627            if ((cpu_flags & XVID_CPU_ALTIVEC)) {
628              /* sad operators */
629                      sad16 = sad16_altivec_c;
630                      sad16bi = sad16bi_altivec_c;
631                      sad8 = sad8_altivec_c;
632                      dev16 = dev16_altivec_c;
633    
634              sse8_16bit = sse8_16bit_altivec_c;
635    
636              /* mem transfer */
637              transfer_8to16copy = transfer_8to16copy_altivec_c;
638              transfer_16to8copy = transfer_16to8copy_altivec_c;
639              transfer_8to16sub = transfer_8to16sub_altivec_c;
640              transfer_8to16subro = transfer_8to16subro_altivec_c;
641              transfer_8to16sub2 = transfer_8to16sub2_altivec_c;
642              transfer_16to8add = transfer_16to8add_altivec_c;
643              transfer8x8_copy = transfer8x8_copy_altivec_c;
644    
645              /* Inverse DCT */
646              idct = idct_altivec_c;
647    
648              /* Interpolation */
649              interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_altivec_c;
650              interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_altivec_c;
651              interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_altivec_c;
652    
653              interpolate8x8_avg2 = interpolate8x8_avg2_altivec_c;
654              interpolate8x8_avg4 = interpolate8x8_avg4_altivec_c;
655    
656                      interpolate8x8_halfpel_add = interpolate8x8_halfpel_add_altivec_c;
657                      interpolate8x8_halfpel_h_add = interpolate8x8_halfpel_h_add_altivec_c;
658                      interpolate8x8_halfpel_v_add = interpolate8x8_halfpel_v_add_altivec_c;
659                      interpolate8x8_halfpel_hv_add = interpolate8x8_halfpel_hv_add_altivec_c;
660    
661              /* Colorspace conversion */
662              bgra_to_yv12 = bgra_to_yv12_altivec_c;
663              abgr_to_yv12 = abgr_to_yv12_altivec_c;
664              rgba_to_yv12 = rgba_to_yv12_altivec_c;
665              argb_to_yv12 = argb_to_yv12_altivec_c;
666    
667              yuyv_to_yv12 = yuyv_to_yv12_altivec_c;
668              uyvy_to_yv12 = uyvy_to_yv12_altivec_c;
669    
670              yv12_to_yuyv = yv12_to_yuyv_altivec_c;
671              yv12_to_uyvy = yv12_to_uyvy_altivec_c;
672    
673              /* Quantization */
674              quant_h263_intra = quant_h263_intra_altivec_c;
675              quant_h263_inter = quant_h263_inter_altivec_c;
676              dequant_h263_intra = dequant_h263_intra_altivec_c;
677              dequant_h263_inter = dequant_h263_inter_altivec_c;
678    
679                      dequant_mpeg_intra = dequant_mpeg_intra_altivec_c;
680                      dequant_mpeg_inter = dequant_mpeg_inter_altivec_c;
681    
682                      /* Qpel stuff */
683                      xvid_QP_Funcs = &xvid_QP_Funcs_Altivec_C;
684                      xvid_QP_Add_Funcs = &xvid_QP_Add_Funcs_Altivec_C;
685          }          }
686    #endif
687    
688    #if defined(_DEBUG)
689        xvid_debug = init->debug;
690  #endif  #endif
691    
692          // API version      return(0);
693          init_param->api_version = API_VERSION;  }
694    
695    
696    static int
697    xvid_gbl_info(xvid_gbl_info_t * info)
698    {
699            if (XVID_VERSION_MAJOR(info->version) != 1) /* v1.x.x */
700                    return XVID_ERR_VERSION;
701    
702            info->actual_version = XVID_VERSION;
703            info->build = "xvid-1.4.0-dev";
704            info->cpu_flags = detect_cpu_flags();
705            info->num_threads = 0; /* single-thread */
706    
707    #if defined(_WIN32)
708    
709          // something clever has to be done for this    {
710          init_param->core_build = 1000;          SYSTEM_INFO siSysInfo;
711            GetSystemInfo(&siSysInfo);
712            info->num_threads = siSysInfo.dwNumberOfProcessors; /* number of _logical_ cores */
713      }
714    
715    #elif defined(_SC_NPROCESSORS_CONF) /* should be available on Apple too actually */
716    
717          init_timer();    info->num_threads = sysconf(_SC_NPROCESSORS_CONF);
718    
719    #elif defined(__APPLE__) && defined(__MACH__)
720    
721      {
722        size_t len;
723        int    mib[2], ncpu;
724    
725          return XVID_ERR_OK;      mib[0] = CTL_HW;
726        mib[1] = HW_NCPU;
727        len    = sizeof(ncpu);
728        if (sysctl(mib, 2, &ncpu, &len, NULL, 0) == 0)
729          info -> num_threads = ncpu;
730        else
731          info -> num_threads = 1;
732  }  }
733    
734  int xvid_decore(void * handle, int opt, void * param1, void * param2)  #elif defined(__amigaos4__)
735    
736      {
737        uint32_t num_threads = 1;
738        IExec->GetCPUInfoTags(GCIT_NumberOfCPUs, &num_threads, TAG_END);
739        info->num_threads = num_threads;
740      }
741    
742    #endif
743    
744            return 0;
745    }
746    
747    
748    static int
749    xvid_gbl_convert(xvid_gbl_convert_t* convert)
750    {
751            int width;
752            int height;
753            int width2;
754            int height2;
755            IMAGE img;
756    
757            if (XVID_VERSION_MAJOR(convert->version) != 1)   /* v1.x.x */
758                  return XVID_ERR_VERSION;
759    
760    #if 0
761            const int flip1 = (convert->input.colorspace & XVID_CSP_VFLIP) ^ (convert->output.colorspace & XVID_CSP_VFLIP);
762    #endif
763            width = convert->width;
764            height = convert->height;
765            width2 = convert->width/2;
766            height2 = convert->height/2;
767    
768            switch (convert->input.csp & ~XVID_CSP_VFLIP)
769            {
770                    case XVID_CSP_YV12 :
771                            img.y = convert->input.plane[0];
772                            img.v = (uint8_t*)convert->input.plane[0] + convert->input.stride[0]*height;
773                            img.u = (uint8_t*)convert->input.plane[0] + convert->input.stride[0]*height + (convert->input.stride[0]/2)*height2;
774                            image_output(&img, width, height, width,
775                                                    (uint8_t**)convert->output.plane, convert->output.stride,
776                                                    convert->output.csp, convert->interlacing);
777                            break;
778    
779                    case XVID_CSP_INTERNAL :
780                            img.y = (uint8_t*)convert->input.plane[0];
781                            img.u = (uint8_t*)convert->input.plane[1];
782                            img.v = (uint8_t*)convert->input.plane[2];
783                            image_output(&img, width, height, convert->input.stride[0],
784                                                    (uint8_t**)convert->output.plane, convert->output.stride,
785                                                    convert->output.csp, convert->interlacing);
786                            break;
787    
788                    default :
789                            return XVID_ERR_FORMAT;
790            }
791    
792    
793            emms();
794            return 0;
795    }
796    
797    /*****************************************************************************
798     * Xvid Global Entry point
799     *
800     * Well this function initialize all internal function pointers according
801     * to the CPU features forced by the library client or autodetected (depending
802     * on the XVID_CPU_FORCE flag). It also initializes vlc coding tables and all
803     * image colorspace transformation tables.
804     *
805     ****************************************************************************/
806    
807    
808    int
809    xvid_global(void *handle,
810                      int opt,
811                      void *param1,
812                      void *param2)
813  {  {
814          switch (opt)          switch (opt)
815          {          {
816          case XVID_DEC_DECODE :                  case XVID_GBL_INIT :
817          return decoder_decode((DECODER *) handle, (XVID_DEC_FRAME *) param1);                          return xvid_gbl_init((xvid_gbl_init_t*)param1);
818    
819            case XVID_GBL_INFO :
820                return xvid_gbl_info((xvid_gbl_info_t*)param1);
821    
822                    case XVID_GBL_CONVERT :
823                            return xvid_gbl_convert((xvid_gbl_convert_t*)param1);
824    
825                    default :
826                            return XVID_ERR_FAIL;
827            }
828    }
829    
830    /*****************************************************************************
831     * Xvid Native decoder entry point
832     *
833     * This function is just a wrapper to all the option cases.
834     *
835     * Returned values : XVID_ERR_FAIL when opt is invalid
836     *                   else returns the wrapped function result
837     *
838     ****************************************************************************/
839    
840    int
841    xvid_decore(void *handle,
842                            int opt,
843                            void *param1,
844                            void *param2)
845    {
846            switch (opt) {
847          case XVID_DEC_CREATE :          case XVID_DEC_CREATE :
848          return decoder_create((XVID_DEC_PARAM *) param1);                  return decoder_create((xvid_dec_create_t *) param1);
849    
850          case XVID_DEC_DESTROY :          case XVID_DEC_DESTROY :
851          return decoder_destroy((DECODER *) handle);          return decoder_destroy((DECODER *) handle);
852    
853            case XVID_DEC_DECODE:
854                    return decoder_decode((DECODER *) handle, (xvid_dec_frame_t *) param1, (xvid_dec_stats_t*) param2);
855    
856          default:          default:
857          return XVID_ERR_FAIL;          return XVID_ERR_FAIL;
858      }      }
859  }  }
860    
861    
862  int xvid_encore(void * handle, int opt, void * param1, void * param2)  /*****************************************************************************
863  {   * Xvid Native encoder entry point
864          switch (opt)   *
865     * This function is just a wrapper to all the option cases.
866     *
867     * Returned values : XVID_ERR_FAIL when opt is invalid
868     *                   else returns the wrapped function result
869     *
870     ****************************************************************************/
871    
872    int
873    xvid_encore(void *handle,
874                            int opt,
875                            void *param1,
876                            void *param2)
877          {          {
878            switch (opt) {
879          case XVID_ENC_ENCODE :          case XVID_ENC_ENCODE :
880          return encoder_encode((Encoder *) handle, (XVID_ENC_FRAME *) param1, (XVID_ENC_STATS *) param2);  
881                    return enc_encode((Encoder *) handle,
882                                                              (xvid_enc_frame_t *) param1,
883                                                              (xvid_enc_stats_t *) param2);
884    
885          case XVID_ENC_CREATE :          case XVID_ENC_CREATE :
886          return encoder_create((XVID_ENC_PARAM *) param1);                  return enc_create((xvid_enc_create_t *) param1);
887    
888          case XVID_ENC_DESTROY :          case XVID_ENC_DESTROY :
889          return encoder_destroy((Encoder *) handle);                  return enc_destroy((Encoder *) handle);
890    
891          default:          default:
892          return XVID_ERR_FAIL;          return XVID_ERR_FAIL;

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