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trunk/xvidcore/src/xvid.c revision 269, Sun Jul 7 13:21:34 2002 UTC branches/release-1_3-branch/xvidcore/src/xvid.c revision 2053, Fri Nov 4 15:23:46 2011 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   *  This program is an implementation of a part of one or more MPEG-4   *  Copyright(C) 2001-2011 Peter Ross <pross@xvid.org>
7   *  Video tools as specified in ISO/IEC 14496-2 standard.  Those intending   *               2002-2011 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 26  Line 20 
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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
22   *   *
23   ****************************************************************************/   * $Id$
   
 /*****************************************************************************  
  *  
  *  History  
  *  
  *      - 23.06.2002    added XVID_CPU_CHKONLY  
  *  - 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: xvid.c,v 1.25 2002-07-07 13:21:34 Isibaar Exp $  
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"
54  #include "encoder.h"  #include "encoder.h"
# Line 50  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"  #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                    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            /* enable native assembly optimizations by default */
153            unsigned int cpu_flags = XVID_CPU_ASM;
154    
155    #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            if ((cpu_flags & (XVID_CPU_SSE2|XVID_CPU_SSE3|XVID_CPU_SSE41)) && sigill_check(sse2_os_trigger))
161                    cpu_flags &= ~(XVID_CPU_SSE2|XVID_CPU_SSE3|XVID_CPU_SSE41);
162    #endif
163    
164    #if defined(ARCH_IS_PPC)
165    #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
174            if (!sigill_check(altivec_trigger))
175                    cpu_flags |= XVID_CPU_ALTIVEC;
176    #endif
177    #endif
178    
179            return cpu_flags;
180    }
181    
182    
183  /*****************************************************************************  /*****************************************************************************
184   * XviD Init Entry point   * Xvid Init Entry point
185   *   *
186   * Well this function initialize all internal function pointers according   * Well this function initialize all internal function pointers according
187   * to the CPU features forced by the library client or autodetected (depending   * to the CPU features forced by the library client or autodetected (depending
# Line 71  Line 194 
194   *   *
195   ****************************************************************************/   ****************************************************************************/
196    
 int  
 xvid_init(void *handle,  
                   int opt,  
                   void *param1,  
                   void *param2)  
 {  
         int cpu_flags;  
         XVID_INIT_PARAM *init_param;  
   
         init_param = (XVID_INIT_PARAM *) param1;  
197    
198          /* Inform the client the API version */  static
199          init_param->api_version = API_VERSION;  int xvid_gbl_init(xvid_gbl_init_t * init)
   
         /* Inform the client the core build - unused because we're still alpha */  
         init_param->core_build = 1000;  
   
         if ((init_param->cpu_flags & XVID_CPU_CHKONLY))  
200          {          {
201                  init_param->cpu_flags = check_cpu_features();          unsigned int cpu_flags;
                 return XVID_ERR_OK;  
         }  
202    
203          /* Do we have to force CPU features  ? */          if (XVID_VERSION_MAJOR(init->version) != 1) /* v1.x.x */
204          if ((init_param->cpu_flags & XVID_CPU_FORCE) > 0) {                  return XVID_ERR_VERSION;
                 cpu_flags = init_param->cpu_flags;  
         } else {  
205    
206                  cpu_flags = check_cpu_features();          cpu_flags = (init->cpu_flags & XVID_CPU_FORCE) ? init->cpu_flags : detect_cpu_flags();
                 init_param->cpu_flags = cpu_flags;  
         }  
207    
208          /* Initialize the function pointers */          /* Initialize the function pointers */
         idct_int32_init();  
209          init_vlc_tables();          init_vlc_tables();
210    
211          /* Fixed Point Forward/Inverse DCT transformations */          /* Fixed Point Forward/Inverse DCT transformations */
# Line 112  Line 213 
213          idct = idct_int32;          idct = idct_int32;
214    
215          /* Only needed on PPC Altivec archs */          /* Only needed on PPC Altivec archs */
216          sadInit = 0;          sadInit = NULL;
217    
218          /* Restore FPU context : emms_c is a nop functions */          /* Restore FPU context : emms_c is a nop functions */
219          emms = emms_c;          emms = emms_c;
220    
221            /* Qpel stuff */
222            xvid_QP_Funcs = &xvid_QP_Funcs_C;
223            xvid_QP_Add_Funcs = &xvid_QP_Add_Funcs_C;
224            xvid_Init_QP();
225    
226          /* Quantization functions */          /* Quantization functions */
227          quant_intra   = quant_intra_c;          quant_h263_intra   = quant_h263_intra_c;
228          dequant_intra = dequant_intra_c;          quant_h263_inter   = quant_h263_inter_c;
229          quant_inter   = quant_inter_c;          dequant_h263_intra = dequant_h263_intra_c;
230          dequant_inter = dequant_inter_c;          dequant_h263_inter = dequant_h263_inter_c;
231    
232          quant4_intra   = quant4_intra_c;          quant_mpeg_intra   = quant_mpeg_intra_c;
233          dequant4_intra = dequant4_intra_c;          quant_mpeg_inter   = quant_mpeg_inter_c;
234          quant4_inter   = quant4_inter_c;          dequant_mpeg_intra = dequant_mpeg_intra_c;
235          dequant4_inter = dequant4_inter_c;          dequant_mpeg_inter = dequant_mpeg_inter_c;
236    
237          /* Block transfer related functions */          /* Block transfer related functions */
238          transfer_8to16copy = transfer_8to16copy_c;          transfer_8to16copy = transfer_8to16copy_c;
239          transfer_16to8copy = transfer_16to8copy_c;          transfer_16to8copy = transfer_16to8copy_c;
240          transfer_8to16sub  = transfer_8to16sub_c;          transfer_8to16sub  = transfer_8to16sub_c;
241            transfer_8to16subro  = transfer_8to16subro_c;
242          transfer_8to16sub2 = transfer_8to16sub2_c;          transfer_8to16sub2 = transfer_8to16sub2_c;
243            transfer_8to16sub2ro = transfer_8to16sub2ro_c;
244          transfer_16to8add  = transfer_16to8add_c;          transfer_16to8add  = transfer_16to8add_c;
245          transfer8x8_copy   = transfer8x8_copy_c;          transfer8x8_copy   = transfer8x8_copy_c;
246            transfer8x4_copy   = transfer8x4_copy_c;
247    
248            /* Interlacing functions */
249            MBFieldTest = MBFieldTest_c;
250    
251          /* Image interpolation related functions */          /* Image interpolation related functions */
252          interpolate8x8_halfpel_h  = interpolate8x8_halfpel_h_c;          interpolate8x8_halfpel_h  = interpolate8x8_halfpel_h_c;
253          interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_c;          interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_c;
254          interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_c;          interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_c;
255    
256            interpolate8x4_halfpel_h  = interpolate8x4_halfpel_h_c;
257            interpolate8x4_halfpel_v  = interpolate8x4_halfpel_v_c;
258            interpolate8x4_halfpel_hv = interpolate8x4_halfpel_hv_c;
259    
260            interpolate8x8_halfpel_add = interpolate8x8_halfpel_add_c;
261            interpolate8x8_halfpel_h_add = interpolate8x8_halfpel_h_add_c;
262            interpolate8x8_halfpel_v_add = interpolate8x8_halfpel_v_add_c;
263            interpolate8x8_halfpel_hv_add = interpolate8x8_halfpel_hv_add_c;
264    
265            interpolate16x16_lowpass_h = interpolate16x16_lowpass_h_c;
266            interpolate16x16_lowpass_v = interpolate16x16_lowpass_v_c;
267            interpolate16x16_lowpass_hv = interpolate16x16_lowpass_hv_c;
268    
269            interpolate8x8_lowpass_h = interpolate8x8_lowpass_h_c;
270            interpolate8x8_lowpass_v = interpolate8x8_lowpass_v_c;
271            interpolate8x8_lowpass_hv = interpolate8x8_lowpass_hv_c;
272    
273            interpolate8x8_6tap_lowpass_h = interpolate8x8_6tap_lowpass_h_c;
274            interpolate8x8_6tap_lowpass_v = interpolate8x8_6tap_lowpass_v_c;
275    
276            interpolate8x8_avg2 = interpolate8x8_avg2_c;
277            interpolate8x8_avg4 = interpolate8x8_avg4_c;
278    
279            /* postprocessing */
280            image_brightness = image_brightness_c;
281    
282          /* Initialize internal colorspace transformation tables */          /* Initialize internal colorspace transformation tables */
283          colorspace_init();          colorspace_init();
284    
285          /* All colorspace transformation functions User Format->YV12 */          /* All colorspace transformation functions User Format->YV12 */
286            yv12_to_yv12    = yv12_to_yv12_c;
287          rgb555_to_yv12 = rgb555_to_yv12_c;          rgb555_to_yv12 = rgb555_to_yv12_c;
288          rgb565_to_yv12 = rgb565_to_yv12_c;          rgb565_to_yv12 = rgb565_to_yv12_c;
289          rgb24_to_yv12  = rgb24_to_yv12_c;          rgb_to_yv12     = rgb_to_yv12_c;
290          rgb32_to_yv12  = rgb32_to_yv12_c;          bgr_to_yv12     = bgr_to_yv12_c;
291          yuv_to_yv12    = yuv_to_yv12_c;          bgra_to_yv12    = bgra_to_yv12_c;
292            abgr_to_yv12    = abgr_to_yv12_c;
293            rgba_to_yv12    = rgba_to_yv12_c;
294            argb_to_yv12    = argb_to_yv12_c;
295          yuyv_to_yv12   = yuyv_to_yv12_c;          yuyv_to_yv12   = yuyv_to_yv12_c;
296          uyvy_to_yv12   = uyvy_to_yv12_c;          uyvy_to_yv12   = uyvy_to_yv12_c;
297    
298            rgb555i_to_yv12 = rgb555i_to_yv12_c;
299            rgb565i_to_yv12 = rgb565i_to_yv12_c;
300            bgri_to_yv12    = bgri_to_yv12_c;
301            bgrai_to_yv12   = bgrai_to_yv12_c;
302            abgri_to_yv12   = abgri_to_yv12_c;
303            rgbai_to_yv12   = rgbai_to_yv12_c;
304            argbi_to_yv12   = argbi_to_yv12_c;
305            yuyvi_to_yv12   = yuyvi_to_yv12_c;
306            uyvyi_to_yv12   = uyvyi_to_yv12_c;
307    
308          /* All colorspace transformation functions YV12->User format */          /* All colorspace transformation functions YV12->User format */
309          yv12_to_rgb555 = yv12_to_rgb555_c;          yv12_to_rgb555 = yv12_to_rgb555_c;
310          yv12_to_rgb565 = yv12_to_rgb565_c;          yv12_to_rgb565 = yv12_to_rgb565_c;
311          yv12_to_rgb24  = yv12_to_rgb24_c;          yv12_to_rgb     = yv12_to_rgb_c;
312          yv12_to_rgb32  = yv12_to_rgb32_c;          yv12_to_bgr     = yv12_to_bgr_c;
313          yv12_to_yuv    = yv12_to_yuv_c;          yv12_to_bgra    = yv12_to_bgra_c;
314            yv12_to_abgr    = yv12_to_abgr_c;
315            yv12_to_rgba    = yv12_to_rgba_c;
316            yv12_to_argb    = yv12_to_argb_c;
317          yv12_to_yuyv   = yv12_to_yuyv_c;          yv12_to_yuyv   = yv12_to_yuyv_c;
318          yv12_to_uyvy   = yv12_to_uyvy_c;          yv12_to_uyvy   = yv12_to_uyvy_c;
319    
320            yv12_to_rgb555i = yv12_to_rgb555i_c;
321            yv12_to_rgb565i = yv12_to_rgb565i_c;
322            yv12_to_bgri    = yv12_to_bgri_c;
323            yv12_to_bgrai   = yv12_to_bgrai_c;
324            yv12_to_abgri   = yv12_to_abgri_c;
325            yv12_to_rgbai   = yv12_to_rgbai_c;
326            yv12_to_argbi   = yv12_to_argbi_c;
327            yv12_to_yuyvi   = yv12_to_yuyvi_c;
328            yv12_to_uyvyi   = yv12_to_uyvyi_c;
329    
330          /* Functions used in motion estimation algorithms */          /* Functions used in motion estimation algorithms */
331          calc_cbp = calc_cbp_c;          calc_cbp = calc_cbp_c;
332          sad16    = sad16_c;          sad16    = sad16_c;
         sad16bi  = sad16bi_c;  
333          sad8     = sad8_c;          sad8     = sad8_c;
334            sad16bi       = sad16bi_c;
335            sad8bi        = sad8bi_c;
336          dev16    = dev16_c;          dev16    = dev16_c;
337            sad16v        = sad16v_c;
338            sse8_16bit    = sse8_16bit_c;
339            sse8_8bit     = sse8_8bit_c;
340    
341            sseh8_16bit   = sseh8_16bit_c;
342            coeff8_energy = coeff8_energy_c;
343            blocksum8     = blocksum8_c;
344    
345            init_GMC(cpu_flags);
346    
347    #if defined(ARCH_IS_IA32) || defined(ARCH_IS_X86_64)
348    
349            if ((cpu_flags & XVID_CPU_MMX) || (cpu_flags & XVID_CPU_MMXEXT) ||
350                    (cpu_flags & XVID_CPU_3DNOW) || (cpu_flags & XVID_CPU_3DNOWEXT) ||
351                    (cpu_flags & XVID_CPU_SSE) || (cpu_flags & XVID_CPU_SSE2) ||
352            (cpu_flags & XVID_CPU_SSE3) || (cpu_flags & XVID_CPU_SSE41))
353            {
354                    /* Restore FPU context : emms_c is a nop functions */
355                    emms = emms_mmx;
356            }
357    
358  #ifdef ARCH_X86          if ((cpu_flags & XVID_CPU_MMX)) {
         if ((cpu_flags & XVID_CPU_MMX) > 0) {  
359    
360                  /* Forward and Inverse Discrete Cosine Transformation functions */                  /* Forward and Inverse Discrete Cosine Transformation functions */
361                  fdct = fdct_mmx;                  fdct = fdct_mmx_skal;
362                  idct = idct_mmx;                  idct = idct_mmx;
363    
364                  /* To restore FPU context after mmx use */                  /* Qpel stuff */
365                  emms = emms_mmx;                  xvid_QP_Funcs = &xvid_QP_Funcs_mmx;
366                    xvid_QP_Add_Funcs = &xvid_QP_Add_Funcs_mmx;
367    
368                  /* Quantization related functions */                  /* Quantization related functions */
369                  quant_intra   = quant_intra_mmx;                  quant_h263_intra   = quant_h263_intra_mmx;
370                  dequant_intra = dequant_intra_mmx;                  quant_h263_inter   = quant_h263_inter_mmx;
371                  quant_inter   = quant_inter_mmx;                  dequant_h263_intra = dequant_h263_intra_mmx;
372                  dequant_inter = dequant_inter_mmx;                  dequant_h263_inter = dequant_h263_inter_mmx;
373                    quant_mpeg_intra   = quant_mpeg_intra_mmx;
374                  quant4_intra   = quant4_intra_mmx;                  quant_mpeg_inter   = quant_mpeg_inter_mmx;
375                  dequant4_intra = dequant4_intra_mmx;                  dequant_mpeg_intra = dequant_mpeg_intra_mmx;
376                  quant4_inter   = quant4_inter_mmx;                  dequant_mpeg_inter = dequant_mpeg_inter_mmx;
377                  dequant4_inter = dequant4_inter_mmx;  
378    
379                  /* Block related functions */                  /* Block related functions */
380                  transfer_8to16copy = transfer_8to16copy_mmx;                  transfer_8to16copy = transfer_8to16copy_mmx;
381                  transfer_16to8copy = transfer_16to8copy_mmx;                  transfer_16to8copy = transfer_16to8copy_mmx;
382                  transfer_8to16sub  = transfer_8to16sub_mmx;                  transfer_8to16sub  = transfer_8to16sub_mmx;
383                    transfer_8to16subro  = transfer_8to16subro_mmx;
384                  transfer_8to16sub2 = transfer_8to16sub2_mmx;                  transfer_8to16sub2 = transfer_8to16sub2_mmx;
385                  transfer_16to8add  = transfer_16to8add_mmx;                  transfer_16to8add  = transfer_16to8add_mmx;
386                  transfer8x8_copy   = transfer8x8_copy_mmx;                  transfer8x8_copy   = transfer8x8_copy_mmx;
387                    transfer8x4_copy   = transfer8x4_copy_mmx;
388    
389                    /* Interlacing Functions */
390                    MBFieldTest = MBFieldTest_mmx;
391    
392                  /* Image Interpolation related functions */                  /* Image Interpolation related functions */
393                  interpolate8x8_halfpel_h  = interpolate8x8_halfpel_h_mmx;                  interpolate8x8_halfpel_h  = interpolate8x8_halfpel_h_mmx;
394                  interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_mmx;                  interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_mmx;
395                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_mmx;                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_mmx;
396    
397                  /* Image RGB->YV12 related functions */                  interpolate8x4_halfpel_h  = interpolate8x4_halfpel_h_mmx;
398                  rgb24_to_yv12 = rgb24_to_yv12_mmx;                  interpolate8x4_halfpel_v  = interpolate8x4_halfpel_v_mmx;
399                  rgb32_to_yv12 = rgb32_to_yv12_mmx;                  interpolate8x4_halfpel_hv = interpolate8x4_halfpel_hv_mmx;
400                  yuv_to_yv12   = yuv_to_yv12_mmx;  
401                    interpolate8x8_halfpel_add = interpolate8x8_halfpel_add_mmx;
402                    interpolate8x8_halfpel_h_add = interpolate8x8_halfpel_h_add_mmx;
403                    interpolate8x8_halfpel_v_add = interpolate8x8_halfpel_v_add_mmx;
404                    interpolate8x8_halfpel_hv_add = interpolate8x8_halfpel_hv_add_mmx;
405    
406                    interpolate8x8_6tap_lowpass_h = interpolate8x8_6tap_lowpass_h_mmx;
407                    interpolate8x8_6tap_lowpass_v = interpolate8x8_6tap_lowpass_v_mmx;
408    
409                    interpolate8x8_avg2 = interpolate8x8_avg2_mmx;
410                    interpolate8x8_avg4 = interpolate8x8_avg4_mmx;
411    
412                    /* postprocessing */
413                    image_brightness = image_brightness_mmx;
414    
415                    /* image input xxx_to_yv12 related functions */
416    
417                    yv12_to_yv12  = yv12_to_yv12_mmx;
418    
419                    bgr_to_yv12   = bgr_to_yv12_mmx;
420                    rgb_to_yv12   = rgb_to_yv12_mmx;
421                    bgra_to_yv12  = bgra_to_yv12_mmx;
422                    rgba_to_yv12  = rgba_to_yv12_mmx;
423                  yuyv_to_yv12  = yuyv_to_yv12_mmx;                  yuyv_to_yv12  = yuyv_to_yv12_mmx;
424                  uyvy_to_yv12  = uyvy_to_yv12_mmx;                  uyvy_to_yv12  = uyvy_to_yv12_mmx;
425    
426                  /* Image YV12->RGB related functions */                  /* image output yv12_to_xxx related functions */
427                  yv12_to_rgb24 = yv12_to_rgb24_mmx;                  yv12_to_bgr   = yv12_to_bgr_mmx;
428                  yv12_to_rgb32 = yv12_to_rgb32_mmx;                  yv12_to_bgra  = yv12_to_bgra_mmx;
429                  yv12_to_yuyv  = yv12_to_yuyv_mmx;                  yv12_to_yuyv  = yv12_to_yuyv_mmx;
430                  yv12_to_uyvy  = yv12_to_uyvy_mmx;                  yv12_to_uyvy  = yv12_to_uyvy_mmx;
431    
432                    yv12_to_yuyvi = yv12_to_yuyvi_mmx;
433                    yv12_to_uyvyi = yv12_to_uyvyi_mmx;
434    
435                  /* Motion estimation related functions */                  /* Motion estimation related functions */
436                  calc_cbp = calc_cbp_mmx;                  calc_cbp = calc_cbp_mmx;
437                  sad16    = sad16_mmx;                  sad16    = sad16_mmx;
438                  sad8     = sad8_mmx;                  sad8     = sad8_mmx;
439                    sad16bi    = sad16bi_mmx;
440                    sad8bi     = sad8bi_mmx;
441                  dev16    = dev16_mmx;                  dev16    = dev16_mmx;
442                    sad16v     = sad16v_mmx;
443                    sse8_16bit = sse8_16bit_mmx;
444                    sse8_8bit  = sse8_8bit_mmx;
445            }
446    
447            /* these 3dnow functions are faster than mmx, but slower than xmm. */
448            if ((cpu_flags & XVID_CPU_3DNOW)) {
449    
450                    emms = emms_3dn;
451    
452                    /* ME functions */
453                    sad16bi = sad16bi_3dn;
454                    sad8bi  = sad8bi_3dn;
455    
456                    yuyv_to_yv12  = yuyv_to_yv12_3dn;
457                    uyvy_to_yv12  = uyvy_to_yv12_3dn;
458    
459          }          }
460    
         if ((cpu_flags & XVID_CPU_MMXEXT) > 0) {  
461    
462                  /* Inverse DCT */          if ((cpu_flags & XVID_CPU_MMXEXT)) {
463    
464                    /* DCT */
465                    fdct = fdct_xmm_skal;
466                  idct = idct_xmm;                  idct = idct_xmm;
467    
468                  /* Interpolation */                  /* Interpolation */
# Line 235  Line 470 
470                  interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_xmm;                  interpolate8x8_halfpel_v  = interpolate8x8_halfpel_v_xmm;
471                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_xmm;                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_xmm;
472    
473                    interpolate8x4_halfpel_h  = interpolate8x4_halfpel_h_xmm;
474                    interpolate8x4_halfpel_v  = interpolate8x4_halfpel_v_xmm;
475                    interpolate8x4_halfpel_hv = interpolate8x4_halfpel_hv_xmm;
476    
477                    interpolate8x8_halfpel_add = interpolate8x8_halfpel_add_xmm;
478                    interpolate8x8_halfpel_h_add = interpolate8x8_halfpel_h_add_xmm;
479                    interpolate8x8_halfpel_v_add = interpolate8x8_halfpel_v_add_xmm;
480                    interpolate8x8_halfpel_hv_add = interpolate8x8_halfpel_hv_add_xmm;
481    
482                  /* Quantization */                  /* Quantization */
483                  dequant_intra = dequant_intra_xmm;                  quant_mpeg_inter = quant_mpeg_inter_xmm;
484                  dequant_inter = dequant_inter_xmm;  
485                    dequant_h263_intra = dequant_h263_intra_xmm;
486                    dequant_h263_inter = dequant_h263_inter_xmm;
487    
488                  /* Buffer transfer */                  /* Buffer transfer */
489                  transfer_8to16sub2 = transfer_8to16sub2_xmm;                  transfer_8to16sub2 = transfer_8to16sub2_xmm;
490                    transfer_8to16sub2ro = transfer_8to16sub2ro_xmm;
491    
492                  /* Colorspace transformation */                  /* Colorspace transformation */
493                  yuv_to_yv12 = yuv_to_yv12_xmm;                  /* yv12_to_yv12  = yv12_to_yv12_xmm; */ /* appears to be slow on many machines */
494                    yuyv_to_yv12  = yuyv_to_yv12_xmm;
495                    uyvy_to_yv12  = uyvy_to_yv12_xmm;
496    
497                  /* ME functions */                  /* ME functions */
498                  sad16 = sad16_xmm;                  sad16 = sad16_xmm;
                 sad16bi = sad16bi_xmm;  
499                  sad8  = sad8_xmm;                  sad8  = sad8_xmm;
500                    sad16bi = sad16bi_xmm;
501                    sad8bi  = sad8bi_xmm;
502                  dev16 = dev16_xmm;                  dev16 = dev16_xmm;
503                    sad16v   = sad16v_xmm;
504          }          }
505    
506          if ((cpu_flags & XVID_CPU_3DNOW) > 0) {          if ((cpu_flags & XVID_CPU_3DNOW)) {
507    
508                  /* Interpolation */                  /* Interpolation */
509                  interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_3dn;                  interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_3dn;
510                  interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_3dn;                  interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_3dn;
511                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_3dn;                  interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_3dn;
512    
513                    interpolate8x4_halfpel_h = interpolate8x4_halfpel_h_3dn;
514                    interpolate8x4_halfpel_v = interpolate8x4_halfpel_v_3dn;
515                    interpolate8x4_halfpel_hv = interpolate8x4_halfpel_hv_3dn;
516          }          }
517    
518          if ((cpu_flags & XVID_CPU_SSE2) > 0) {          if ((cpu_flags & XVID_CPU_3DNOWEXT)) {
519  #ifdef EXPERIMENTAL_SSE2_CODE  
520                    /* Buffer transfer */
521                    transfer_8to16copy =  transfer_8to16copy_3dne;
522                    transfer_16to8copy = transfer_16to8copy_3dne;
523                    transfer_8to16sub =  transfer_8to16sub_3dne;
524                    transfer_8to16subro =  transfer_8to16subro_3dne;
525                    transfer_16to8add = transfer_16to8add_3dne;
526                    transfer8x8_copy = transfer8x8_copy_3dne;
527                    transfer8x4_copy = transfer8x4_copy_3dne;
528    
529                    if ((cpu_flags & XVID_CPU_MMXEXT)) {
530                            /* Inverse DCT */
531                            idct =  idct_3dne;
532    
533                            /* Buffer transfer */
534                            transfer_8to16sub2 =  transfer_8to16sub2_3dne;
535    
536                            /* Interpolation */
537                            interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_3dne;
538                            interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_3dne;
539                            interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_3dne;
540    
541                            interpolate8x4_halfpel_h = interpolate8x4_halfpel_h_3dne;
542                            interpolate8x4_halfpel_v = interpolate8x4_halfpel_v_3dne;
543                            interpolate8x4_halfpel_hv = interpolate8x4_halfpel_hv_3dne;
544    
545                /* Quantization */
546                            quant_h263_intra = quant_h263_intra_3dne;               /* cmov only */
547                            quant_h263_inter = quant_h263_inter_3dne;
548                            dequant_mpeg_intra = dequant_mpeg_intra_3dne;   /* cmov only */
549                            dequant_mpeg_inter = dequant_mpeg_inter_3dne;
550                            dequant_h263_intra = dequant_h263_intra_3dne;
551                            dequant_h263_inter = dequant_h263_inter_3dne;
552    
553                /* ME functions */
554                            sad16 = sad16_3dne;
555                            sad8 = sad8_3dne;
556                            sad16bi = sad16bi_3dne;
557                            sad8bi = sad8bi_3dne;
558                            dev16 = dev16_3dne;
559                    }
560            }
561    
562            if ((cpu_flags & XVID_CPU_SSE2)) {
563    
564                  calc_cbp = calc_cbp_sse2;                  calc_cbp = calc_cbp_sse2;
565    
566                  /* Quantization */                  /* Quantization */
567                  quant_intra   = quant_intra_sse2;                  quant_h263_intra   = quant_h263_intra_sse2;
568                  dequant_intra = dequant_intra_sse2;                  quant_h263_inter   = quant_h263_inter_sse2;
569                  quant_inter   = quant_inter_sse2;                  dequant_h263_intra = dequant_h263_intra_sse2;
570                  dequant_inter = dequant_inter_sse2;                  dequant_h263_inter = dequant_h263_inter_sse2;
571    
572                  /* ME */                  /* SAD operators */
573                  sad16    = sad16_sse2;                  sad16    = sad16_sse2;
574                  dev16    = dev16_sse2;                  dev16    = dev16_sse2;
575    
576                  /* Forward and Inverse DCT */                  /* PSNR-HVS-M distortion metric */
577                  idct  = idct_sse2;                  sseh8_16bit   = sseh8_16bit_sse2;
578                  fdct = fdct_sse2;                  coeff8_energy = coeff8_energy_sse2;
579  #endif                  blocksum8     = blocksum8_sse2;
580    
581                    /* DCT operators */
582                    fdct = fdct_sse2_skal;
583                    idct = idct_sse2_skal;   /* Is now IEEE1180 and Walken compliant. */
584    
585                    /* postprocessing */
586                    image_brightness = image_brightness_sse2;
587    
588          }          }
589    
590  #endif          if ((cpu_flags & XVID_CPU_SSE3)) {
591    
592                    /* SAD operators */
593                    sad16    = sad16_sse3;
594                    dev16    = dev16_sse3;
595            }
596    
597  #ifdef ARCH_IA64  #endif /* ARCH_IS_IA32 */
598          if ((cpu_flags & XVID_CPU_IA64) > 0) { //use assembler routines?  
599    #if defined(ARCH_IS_IA64)
600            if ((cpu_flags & XVID_CPU_ASM)) { /* use assembler routines? */
601            idct_ia64_init();            idct_ia64_init();
602            fdct = fdct_ia64;            fdct = fdct_ia64;
603            idct = idct_ia64;   //not yet working, crashes            idct = idct_ia64;   /*not yet working, crashes */
604            interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_ia64;            interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_ia64;
605            interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_ia64;            interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_ia64;
606            interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_ia64;            interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_ia64;
# Line 296  Line 608 
608            sad16bi = sad16bi_ia64;            sad16bi = sad16bi_ia64;
609            sad8 = sad8_ia64;            sad8 = sad8_ia64;
610            dev16 = dev16_ia64;            dev16 = dev16_ia64;
611            quant_intra = quant_intra_ia64;  /*        Halfpel8_Refine = Halfpel8_Refine_ia64; */
612            dequant_intra = dequant_intra_ia64;            quant_h263_intra = quant_h263_intra_ia64;
613            quant_inter = quant_inter_ia64;            quant_h263_inter = quant_h263_inter_ia64;
614            dequant_inter = dequant_inter_ia64;            dequant_h263_intra = dequant_h263_intra_ia64;
615              dequant_h263_inter = dequant_h263_inter_ia64;
616            transfer_8to16copy = transfer_8to16copy_ia64;            transfer_8to16copy = transfer_8to16copy_ia64;
617            transfer_16to8copy = transfer_16to8copy_ia64;            transfer_16to8copy = transfer_16to8copy_ia64;
618            transfer_8to16sub = transfer_8to16sub_ia64;            transfer_8to16sub = transfer_8to16sub_ia64;
619            transfer_8to16sub2 = transfer_8to16sub2_ia64;            transfer_8to16sub2 = transfer_8to16sub2_ia64;
620            transfer_16to8add = transfer_16to8add_ia64;            transfer_16to8add = transfer_16to8add_ia64;
621            transfer8x8_copy = transfer8x8_copy_ia64;            transfer8x8_copy = transfer8x8_copy_ia64;
           DEBUG("Using IA-64 assembler routines.\n");  
622          }          }
623  #endif  #endif
624    
625  #ifdef ARCH_PPC  #if defined(ARCH_IS_PPC)
626  #ifdef ARCH_PPC_ALTIVEC          if ((cpu_flags & XVID_CPU_ALTIVEC)) {
627          calc_cbp = calc_cbp_altivec;            /* sad operators */
628          fdct = fdct_altivec;                    sad16 = sad16_altivec_c;
629          idct = idct_altivec;                    sad16bi = sad16bi_altivec_c;
630          sadInit = sadInit_altivec;                    sad8 = sad8_altivec_c;
631          sad16 = sad16_altivec;                    dev16 = dev16_altivec_c;
632          sad8 = sad8_altivec;  
633          dev16 = dev16_altivec;            sse8_16bit = sse8_16bit_altivec_c;
634  #else  
635          calc_cbp = calc_cbp_ppc;            /* mem transfer */
636              transfer_8to16copy = transfer_8to16copy_altivec_c;
637              transfer_16to8copy = transfer_16to8copy_altivec_c;
638              transfer_8to16sub = transfer_8to16sub_altivec_c;
639              transfer_8to16subro = transfer_8to16subro_altivec_c;
640              transfer_8to16sub2 = transfer_8to16sub2_altivec_c;
641              transfer_16to8add = transfer_16to8add_altivec_c;
642              transfer8x8_copy = transfer8x8_copy_altivec_c;
643    
644              /* Inverse DCT */
645              idct = idct_altivec_c;
646    
647              /* Interpolation */
648              interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_altivec_c;
649              interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_altivec_c;
650              interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_altivec_c;
651    
652              interpolate8x8_avg2 = interpolate8x8_avg2_altivec_c;
653              interpolate8x8_avg4 = interpolate8x8_avg4_altivec_c;
654    
655                      interpolate8x8_halfpel_add = interpolate8x8_halfpel_add_altivec_c;
656                      interpolate8x8_halfpel_h_add = interpolate8x8_halfpel_h_add_altivec_c;
657                      interpolate8x8_halfpel_v_add = interpolate8x8_halfpel_v_add_altivec_c;
658                      interpolate8x8_halfpel_hv_add = interpolate8x8_halfpel_hv_add_altivec_c;
659    
660              /* Colorspace conversion */
661              bgra_to_yv12 = bgra_to_yv12_altivec_c;
662              abgr_to_yv12 = abgr_to_yv12_altivec_c;
663              rgba_to_yv12 = rgba_to_yv12_altivec_c;
664              argb_to_yv12 = argb_to_yv12_altivec_c;
665    
666              yuyv_to_yv12 = yuyv_to_yv12_altivec_c;
667              uyvy_to_yv12 = uyvy_to_yv12_altivec_c;
668    
669              yv12_to_yuyv = yv12_to_yuyv_altivec_c;
670              yv12_to_uyvy = yv12_to_uyvy_altivec_c;
671    
672              /* Quantization */
673              quant_h263_intra = quant_h263_intra_altivec_c;
674              quant_h263_inter = quant_h263_inter_altivec_c;
675              dequant_h263_intra = dequant_h263_intra_altivec_c;
676              dequant_h263_inter = dequant_h263_inter_altivec_c;
677    
678                      dequant_mpeg_intra = dequant_mpeg_intra_altivec_c;
679                      dequant_mpeg_inter = dequant_mpeg_inter_altivec_c;
680    
681                      /* Qpel stuff */
682                      xvid_QP_Funcs = &xvid_QP_Funcs_Altivec_C;
683                      xvid_QP_Add_Funcs = &xvid_QP_Add_Funcs_Altivec_C;
684            }
685  #endif  #endif
686    
687    #if defined(_DEBUG)
688        xvid_debug = init->debug;
689  #endif  #endif
690    
691          return XVID_ERR_OK;      return(0);
692    }
693    
694    
695    static int
696    xvid_gbl_info(xvid_gbl_info_t * info)
697    {
698            if (XVID_VERSION_MAJOR(info->version) != 1) /* v1.x.x */
699                    return XVID_ERR_VERSION;
700    
701            info->actual_version = XVID_VERSION;
702            info->build = "xvid-1.3.3";
703            info->cpu_flags = detect_cpu_flags();
704            info->num_threads = 0; /* single-thread */
705    
706    #if defined(_WIN32)
707    
708      {
709            SYSTEM_INFO siSysInfo;
710            GetSystemInfo(&siSysInfo);
711            info->num_threads = siSysInfo.dwNumberOfProcessors; /* number of _logical_ cores */
712      }
713    
714    #elif defined(_SC_NPROCESSORS_CONF) /* should be available on Apple too actually */
715    
716      info->num_threads = sysconf(_SC_NPROCESSORS_CONF);
717    
718    #elif defined(__APPLE__) && defined(__MACH__)
719    
720      {
721        size_t len;
722        int    mib[2], ncpu;
723    
724        mib[0] = CTL_HW;
725        mib[1] = HW_NCPU;
726        len    = sizeof(ncpu);
727        if (sysctl(mib, 2, &ncpu, &len, NULL, 0) == 0)
728          info -> num_threads = ncpu;
729        else
730          info -> num_threads = 1;
731      }
732    
733    #elif defined(__amigaos4__)
734    
735      {
736        uint32_t num_threads = 1;
737        IExec->GetCPUInfoTags(GCIT_NumberOfCPUs, &num_threads, TAG_END);
738        info->num_threads = num_threads;
739      }
740    
741    #endif
742    
743            return 0;
744    }
745    
746    
747    static int
748    xvid_gbl_convert(xvid_gbl_convert_t* convert)
749    {
750            int width;
751            int height;
752            int width2;
753            int height2;
754            IMAGE img;
755    
756            if (XVID_VERSION_MAJOR(convert->version) != 1)   /* v1.x.x */
757                  return XVID_ERR_VERSION;
758    
759    #if 0
760            const int flip1 = (convert->input.colorspace & XVID_CSP_VFLIP) ^ (convert->output.colorspace & XVID_CSP_VFLIP);
761    #endif
762            width = convert->width;
763            height = convert->height;
764            width2 = convert->width/2;
765            height2 = convert->height/2;
766    
767            switch (convert->input.csp & ~XVID_CSP_VFLIP)
768            {
769                    case XVID_CSP_YV12 :
770                            img.y = convert->input.plane[0];
771                            img.v = (uint8_t*)convert->input.plane[0] + convert->input.stride[0]*height;
772                            img.u = (uint8_t*)convert->input.plane[0] + convert->input.stride[0]*height + (convert->input.stride[0]/2)*height2;
773                            image_output(&img, width, height, width,
774                                                    (uint8_t**)convert->output.plane, convert->output.stride,
775                                                    convert->output.csp, convert->interlacing);
776                            break;
777    
778                    case XVID_CSP_INTERNAL :
779                            img.y = (uint8_t*)convert->input.plane[0];
780                            img.u = (uint8_t*)convert->input.plane[1];
781                            img.v = (uint8_t*)convert->input.plane[2];
782                            image_output(&img, width, height, convert->input.stride[0],
783                                                    (uint8_t**)convert->output.plane, convert->output.stride,
784                                                    convert->output.csp, convert->interlacing);
785                            break;
786    
787                    default :
788                            return XVID_ERR_FORMAT;
789            }
790    
791    
792            emms();
793            return 0;
794    }
795    
796    /*****************************************************************************
797     * Xvid Global Entry point
798     *
799     * Well this function initialize all internal function pointers according
800     * to the CPU features forced by the library client or autodetected (depending
801     * on the XVID_CPU_FORCE flag). It also initializes vlc coding tables and all
802     * image colorspace transformation tables.
803     *
804     ****************************************************************************/
805    
806    
807    int
808    xvid_global(void *handle,
809                      int opt,
810                      void *param1,
811                      void *param2)
812    {
813            switch(opt)
814            {
815                    case XVID_GBL_INIT :
816                            return xvid_gbl_init((xvid_gbl_init_t*)param1);
817    
818            case XVID_GBL_INFO :
819                return xvid_gbl_info((xvid_gbl_info_t*)param1);
820    
821                    case XVID_GBL_CONVERT :
822                            return xvid_gbl_convert((xvid_gbl_convert_t*)param1);
823    
824                    default :
825                            return XVID_ERR_FAIL;
826            }
827  }  }
828    
829  /*****************************************************************************  /*****************************************************************************
830   * XviD Native decoder entry point   * Xvid Native decoder entry point
831   *   *
832   * This function is just a wrapper to all the option cases.   * This function is just a wrapper to all the option cases.
833   *   *
# Line 344  Line 843 
843                          void *param2)                          void *param2)
844  {  {
845          switch (opt) {          switch (opt) {
         case XVID_DEC_DECODE:  
                 return decoder_decode((DECODER *) handle, (XVID_DEC_FRAME *) param1);  
   
846          case XVID_DEC_CREATE:          case XVID_DEC_CREATE:
847                  return decoder_create((XVID_DEC_PARAM *) param1);                  return decoder_create((xvid_dec_create_t *) param1);
848    
849          case XVID_DEC_DESTROY:          case XVID_DEC_DESTROY:
850                  return decoder_destroy((DECODER *) handle);                  return decoder_destroy((DECODER *) handle);
851    
852            case XVID_DEC_DECODE:
853                    return decoder_decode((DECODER *) handle, (xvid_dec_frame_t *) param1, (xvid_dec_stats_t*) param2);
854    
855          default:          default:
856                  return XVID_ERR_FAIL;                  return XVID_ERR_FAIL;
857          }          }
# Line 360  Line 859 
859    
860    
861  /*****************************************************************************  /*****************************************************************************
862   * XviD Native encoder entry point   * Xvid Native encoder entry point
863   *   *
864   * This function is just a wrapper to all the option cases.   * This function is just a wrapper to all the option cases.
865   *   *
# Line 377  Line 876 
876  {  {
877          switch (opt) {          switch (opt) {
878          case XVID_ENC_ENCODE:          case XVID_ENC_ENCODE:
879  #ifdef BFRAMES  
880                  if (((Encoder *) handle)->mbParam.max_bframes >= 0)                  return enc_encode((Encoder *) handle,
881                  return encoder_encode_bframes((Encoder *) handle, (XVID_ENC_FRAME *) param1,                                                            (xvid_enc_frame_t *) param1,
882                                                            (XVID_ENC_STATS *) param2);                                                            (xvid_enc_stats_t *) param2);
                 else  
 #endif  
                 return encoder_encode((Encoder *) handle, (XVID_ENC_FRAME *) param1,  
                                                           (XVID_ENC_STATS *) param2);  
883    
884          case XVID_ENC_CREATE:          case XVID_ENC_CREATE:
885                  return encoder_create((XVID_ENC_PARAM *) param1);                  return enc_create((xvid_enc_create_t *) param1);
886    
887          case XVID_ENC_DESTROY:          case XVID_ENC_DESTROY:
888                  return encoder_destroy((Encoder *) handle);                  return enc_destroy((Encoder *) handle);
889    
890          default:          default:
891                  return XVID_ERR_FAIL;                  return XVID_ERR_FAIL;
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