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1 : edgomez 1.16 /*****************************************************************************
2 : edgomez 1.17 *
3 :     * XVID MPEG-4 VIDEO CODEC
4 :     * - Native API implementation -
5 :     *
6 :     * This program is an implementation of a part of one or more MPEG-4
7 :     * Video tools as specified in ISO/IEC 14496-2 standard. Those intending
8 :     * to use this software module in hardware or software products are
9 :     * advised that its use may infringe existing patents or copyrights, and
10 :     * any such use would be at such party's own risk. The original
11 :     * developer of this software module and his/her company, and subsequent
12 :     * editors and their companies, will have no liability for use of this
13 :     * software or modifications or derivatives thereof.
14 :     *
15 :     * This program is free software ; you can redistribute it and/or modify
16 :     * it under the terms of the GNU General Public License as published by
17 :     * the Free Software Foundation ; either version 2 of the License, or
18 :     * (at your option) any later version.
19 :     *
20 :     * This program is distributed in the hope that it will be useful,
21 :     * but WITHOUT ANY WARRANTY ; without even the implied warranty of
22 :     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 :     * GNU General Public License for more details.
24 :     *
25 :     * You should have received a copy of the GNU General Public License
26 :     * along with this program ; if not, write to the Free Software
27 :     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 :     *
29 :     ****************************************************************************/
30 : chenm001 1.29
31 : edgomez 1.16 /*****************************************************************************
32 : edgomez 1.17 *
33 :     * History
34 :     *
35 : suxen_drol 1.21 * - 23.06.2002 added XVID_CPU_CHKONLY
36 : edgomez 1.17 * - 17.03.2002 Added interpolate8x8_halfpel_hv_xmm
37 :     * - 22.12.2001 API change: added xvid_init() - Isibaar
38 :     * - 16.12.2001 inital version; (c)2001 peter ross <pross@cs.rmit.edu.au>
39 :     *
40 : suxen_drol 1.33.2.7 * $Id: xvid.c,v 1.33.2.6 2002/10/05 21:33:39 Isibaar Exp $
41 : edgomez 1.17 *
42 :     ****************************************************************************/
43 : Isibaar 1.1
44 :     #include "xvid.h"
45 :     #include "decoder.h"
46 :     #include "encoder.h"
47 :     #include "bitstream/cbp.h"
48 :     #include "dct/idct.h"
49 :     #include "dct/fdct.h"
50 :     #include "image/colorspace.h"
51 :     #include "image/interpolate8x8.h"
52 :     #include "utils/mem_transfer.h"
53 : h 1.33.2.5 #include "utils/mbfunctions.h"
54 : Isibaar 1.1 #include "quant/quant_h263.h"
55 :     #include "quant/quant_mpeg4.h"
56 : ia64p 1.30 #include "motion/motion.h"
57 : Isibaar 1.1 #include "motion/sad.h"
58 :     #include "utils/emms.h"
59 :     #include "utils/timer.h"
60 : Isibaar 1.9 #include "bitstream/mbcoding.h"
61 : Isibaar 1.1
62 : suxen_drol 1.31 #if defined(ARCH_X86) && defined(EXPERIMENTAL_SSE2_CODE)
63 :    
64 :     #ifdef WIN32
65 :     #include <windows.h>
66 :     #else
67 :     #include <signal.h>
68 :     #include <setjmp.h>
69 :     #endif
70 :    
71 :    
72 :     #ifndef WIN32
73 :    
74 :     static jmp_buf mark;
75 :    
76 :     static void
77 :     sigill_handler(int signal)
78 :     {
79 :     longjmp(mark, 1);
80 :     }
81 :     #endif
82 :    
83 :    
84 :     /*
85 :     calls the funcptr, and returns whether SIGILL (illegal instruction) was signalled
86 :     return values:
87 :     -1 : could not determine
88 :     0 : SIGILL was *not* signalled
89 :     1 : SIGILL was signalled
90 :     */
91 :    
92 :     int
93 :     sigill_check(void (*func)())
94 :     {
95 :     #ifdef WIN32
96 :     _try {
97 :     func();
98 :     }
99 :     _except(EXCEPTION_EXECUTE_HANDLER) {
100 :    
101 :     if (_exception_code() == STATUS_ILLEGAL_INSTRUCTION)
102 :     return 1;
103 :     }
104 :     return 0;
105 :     #else
106 :     void * old_handler;
107 :     int jmpret;
108 :    
109 :    
110 :     old_handler = signal(SIGILL, sigill_handler);
111 :     if (old_handler == SIG_ERR)
112 :     {
113 :     return -1;
114 :     }
115 :    
116 :     jmpret = setjmp(mark);
117 :     if (jmpret == 0)
118 :     {
119 :     func();
120 :     }
121 :    
122 :     signal(SIGILL, old_handler);
123 :    
124 :     return jmpret;
125 :     #endif
126 :     }
127 :     #endif
128 :    
129 : edgomez 1.16 /*****************************************************************************
130 :     * XviD Init Entry point
131 :     *
132 :     * Well this function initialize all internal function pointers according
133 :     * to the CPU features forced by the library client or autodetected (depending
134 :     * on the XVID_CPU_FORCE flag). It also initializes vlc coding tables and all
135 :     * image colorspace transformation tables.
136 :     *
137 :     * Returned value : XVID_ERR_OK
138 :     * + API_VERSION in the input XVID_INIT_PARAM structure
139 :     * + core build " " " " "
140 :     *
141 :     ****************************************************************************/
142 :    
143 : edgomez 1.15 int
144 :     xvid_init(void *handle,
145 :     int opt,
146 :     void *param1,
147 :     void *param2)
148 : Isibaar 1.1 {
149 :     int cpu_flags;
150 :     XVID_INIT_PARAM *init_param;
151 :    
152 :     init_param = (XVID_INIT_PARAM *) param1;
153 :    
154 : suxen_drol 1.21 /* Inform the client the API version */
155 :     init_param->api_version = API_VERSION;
156 :    
157 :     /* Inform the client the core build - unused because we're still alpha */
158 :     init_param->core_build = 1000;
159 :    
160 : suxen_drol 1.31 /* Do we have to force CPU features ? */
161 :     if ((init_param->cpu_flags & XVID_CPU_FORCE)) {
162 : suxen_drol 1.21
163 : Isibaar 1.1 cpu_flags = init_param->cpu_flags;
164 : suxen_drol 1.31
165 : edgomez 1.16 } else {
166 : Isibaar 1.1
167 : chenm001 1.29 cpu_flags = check_cpu_features();
168 : suxen_drol 1.31
169 :     #if defined(ARCH_X86) && defined(EXPERIMENTAL_SSE2_CODE)
170 :     if ((cpu_flags & XVID_CPU_SSE) && sigill_check(sse_os_trigger))
171 :     cpu_flags &= ~XVID_CPU_SSE;
172 :    
173 :     if ((cpu_flags & XVID_CPU_SSE2) && sigill_check(sse2_os_trigger))
174 :     cpu_flags &= ~XVID_CPU_SSE2;
175 :     #endif
176 :     }
177 :    
178 :     if ((init_param->cpu_flags & XVID_CPU_CHKONLY))
179 :     {
180 : Isibaar 1.1 init_param->cpu_flags = cpu_flags;
181 : suxen_drol 1.31 return XVID_ERR_OK;
182 : Isibaar 1.1 }
183 : suxen_drol 1.31
184 :     init_param->cpu_flags = cpu_flags;
185 :    
186 : Isibaar 1.1
187 : edgomez 1.16 /* Initialize the function pointers */
188 : Isibaar 1.1 idct_int32_init();
189 : Isibaar 1.9 init_vlc_tables();
190 :    
191 : edgomez 1.16 /* Fixed Point Forward/Inverse DCT transformations */
192 : Isibaar 1.1 fdct = fdct_int32;
193 :     idct = idct_int32;
194 :    
195 : edgomez 1.16 /* Only needed on PPC Altivec archs */
196 : canard 1.10 sadInit = 0;
197 : edgomez 1.15
198 : edgomez 1.16 /* Restore FPU context : emms_c is a nop functions */
199 : Isibaar 1.1 emms = emms_c;
200 :    
201 : edgomez 1.16 /* Quantization functions */
202 :     quant_intra = quant_intra_c;
203 : Isibaar 1.1 dequant_intra = dequant_intra_c;
204 : edgomez 1.16 quant_inter = quant_inter_c;
205 : Isibaar 1.1 dequant_inter = dequant_inter_c;
206 :    
207 : edgomez 1.16 quant4_intra = quant4_intra_c;
208 : Isibaar 1.1 dequant4_intra = dequant4_intra_c;
209 : edgomez 1.16 quant4_inter = quant4_inter_c;
210 : Isibaar 1.1 dequant4_inter = dequant4_inter_c;
211 :    
212 : edgomez 1.16 /* Block transfer related functions */
213 : Isibaar 1.1 transfer_8to16copy = transfer_8to16copy_c;
214 :     transfer_16to8copy = transfer_16to8copy_c;
215 : edgomez 1.16 transfer_8to16sub = transfer_8to16sub_c;
216 : suxen_drol 1.11 transfer_8to16sub2 = transfer_8to16sub2_c;
217 : edgomez 1.16 transfer_16to8add = transfer_16to8add_c;
218 :     transfer8x8_copy = transfer8x8_copy_c;
219 : Isibaar 1.1
220 : h 1.33.2.5 /* Interlacing functions */
221 :     MBFieldTest = MBFieldTest_c;
222 :    
223 : edgomez 1.16 /* Image interpolation related functions */
224 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_c;
225 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_c;
226 : Isibaar 1.1 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_c;
227 :    
228 : Isibaar 1.33.2.6 interpolate8x8_lowpass_h = interpolate8x8_lowpass_h_c;
229 :     interpolate8x8_lowpass_v = interpolate8x8_lowpass_v_c;
230 :     interpolate8x8_lowpass_hv = interpolate8x8_lowpass_hv_c;
231 :    
232 :     interpolate8x8_6tap_lowpass_h = interpolate8x8_6tap_lowpass_h_c;
233 :     interpolate8x8_6tap_lowpass_v = interpolate8x8_6tap_lowpass_v_c;
234 :    
235 :     interpolate8x8_avg2 = interpolate8x8_avg2_c;
236 :     interpolate8x8_avg4 = interpolate8x8_avg4_c;
237 :    
238 : edgomez 1.16 /* Initialize internal colorspace transformation tables */
239 : Isibaar 1.1 colorspace_init();
240 :    
241 : edgomez 1.16 /* All colorspace transformation functions User Format->YV12 */
242 : Isibaar 1.1 rgb555_to_yv12 = rgb555_to_yv12_c;
243 :     rgb565_to_yv12 = rgb565_to_yv12_c;
244 : edgomez 1.16 rgb24_to_yv12 = rgb24_to_yv12_c;
245 :     rgb32_to_yv12 = rgb32_to_yv12_c;
246 :     yuv_to_yv12 = yuv_to_yv12_c;
247 :     yuyv_to_yv12 = yuyv_to_yv12_c;
248 :     uyvy_to_yv12 = uyvy_to_yv12_c;
249 : Isibaar 1.1
250 : edgomez 1.16 /* All colorspace transformation functions YV12->User format */
251 : Isibaar 1.1 yv12_to_rgb555 = yv12_to_rgb555_c;
252 :     yv12_to_rgb565 = yv12_to_rgb565_c;
253 : edgomez 1.16 yv12_to_rgb24 = yv12_to_rgb24_c;
254 :     yv12_to_rgb32 = yv12_to_rgb32_c;
255 : suxen_drol 1.33.2.7 yv12_to_abgr = yv12_to_abgr_c;
256 :     yv12_to_rgba = yv12_to_rgba_c;
257 : edgomez 1.16 yv12_to_yuv = yv12_to_yuv_c;
258 :     yv12_to_yuyv = yv12_to_yuyv_c;
259 :     yv12_to_uyvy = yv12_to_uyvy_c;
260 : Isibaar 1.1
261 : edgomez 1.16 /* Functions used in motion estimation algorithms */
262 : Isibaar 1.1 calc_cbp = calc_cbp_c;
263 : edgomez 1.16 sad16 = sad16_c;
264 : suxen_drol 1.33 sad8 = sad8_c;
265 : edgomez 1.16 sad16bi = sad16bi_c;
266 : suxen_drol 1.33 sad8bi = sad8bi_c;
267 : edgomez 1.16 dev16 = dev16_c;
268 : chl 1.33.2.1 sad16v = sad16v_c;
269 : suxen_drol 1.33
270 : chl 1.33.2.1 // Halfpel8_Refine = Halfpel8_Refine_c;
271 : Isibaar 1.1
272 :     #ifdef ARCH_X86
273 : edgomez 1.15 if ((cpu_flags & XVID_CPU_MMX) > 0) {
274 : edgomez 1.16
275 :     /* Forward and Inverse Discrete Cosine Transformation functions */
276 : Isibaar 1.1 fdct = fdct_mmx;
277 :     idct = idct_mmx;
278 :    
279 : edgomez 1.16 /* To restore FPU context after mmx use */
280 : Isibaar 1.1 emms = emms_mmx;
281 :    
282 : edgomez 1.16 /* Quantization related functions */
283 :     quant_intra = quant_intra_mmx;
284 : Isibaar 1.1 dequant_intra = dequant_intra_mmx;
285 : edgomez 1.16 quant_inter = quant_inter_mmx;
286 : Isibaar 1.1 dequant_inter = dequant_inter_mmx;
287 :    
288 : edgomez 1.16 quant4_intra = quant4_intra_mmx;
289 : Isibaar 1.1 dequant4_intra = dequant4_intra_mmx;
290 : edgomez 1.16 quant4_inter = quant4_inter_mmx;
291 : Isibaar 1.1 dequant4_inter = dequant4_inter_mmx;
292 :    
293 : edgomez 1.16 /* Block related functions */
294 : Isibaar 1.1 transfer_8to16copy = transfer_8to16copy_mmx;
295 :     transfer_16to8copy = transfer_16to8copy_mmx;
296 : edgomez 1.16 transfer_8to16sub = transfer_8to16sub_mmx;
297 : edgomez 1.22 transfer_8to16sub2 = transfer_8to16sub2_mmx;
298 : edgomez 1.16 transfer_16to8add = transfer_16to8add_mmx;
299 :     transfer8x8_copy = transfer8x8_copy_mmx;
300 : edgomez 1.22
301 : h 1.33.2.5 /* Interlacing Functions */
302 :     MBFieldTest = MBFieldTest_mmx;
303 : edgomez 1.16
304 :     /* Image Interpolation related functions */
305 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_mmx;
306 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_mmx;
307 : Isibaar 1.1 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_mmx;
308 : Isibaar 1.33.2.6
309 :     interpolate8x8_6tap_lowpass_h = interpolate8x8_6tap_lowpass_h_mmx;
310 :     interpolate8x8_6tap_lowpass_v = interpolate8x8_6tap_lowpass_v_mmx;
311 :    
312 :     interpolate8x8_avg2 = interpolate8x8_avg2_mmx;
313 :     interpolate8x8_avg4 = interpolate8x8_avg4_mmx;
314 : Isibaar 1.1
315 : edgomez 1.16 /* Image RGB->YV12 related functions */
316 : Isibaar 1.1 rgb24_to_yv12 = rgb24_to_yv12_mmx;
317 :     rgb32_to_yv12 = rgb32_to_yv12_mmx;
318 : edgomez 1.16 yuv_to_yv12 = yuv_to_yv12_mmx;
319 :     yuyv_to_yv12 = yuyv_to_yv12_mmx;
320 :     uyvy_to_yv12 = uyvy_to_yv12_mmx;
321 : Isibaar 1.1
322 : edgomez 1.16 /* Image YV12->RGB related functions */
323 : Isibaar 1.1 yv12_to_rgb24 = yv12_to_rgb24_mmx;
324 :     yv12_to_rgb32 = yv12_to_rgb32_mmx;
325 : edgomez 1.16 yv12_to_yuyv = yv12_to_yuyv_mmx;
326 :     yv12_to_uyvy = yv12_to_uyvy_mmx;
327 : Isibaar 1.1
328 : edgomez 1.16 /* Motion estimation related functions */
329 : Isibaar 1.1 calc_cbp = calc_cbp_mmx;
330 : edgomez 1.16 sad16 = sad16_mmx;
331 :     sad8 = sad8_mmx;
332 : suxen_drol 1.33 sad16bi = sad16bi_mmx;
333 :     sad8bi = sad8bi_mmx;
334 : edgomez 1.16 dev16 = dev16_mmx;
335 : Isibaar 1.33.2.2 sad16v = sad16v_mmx;
336 : Isibaar 1.1
337 :     }
338 :    
339 : suxen_drol 1.33 /* these 3dnow functions are faster than mmx, but slower than xmm. */
340 :     if ((cpu_flags & XVID_CPU_3DNOW) > 0) {
341 :    
342 :     /* ME functions */
343 :     sad16bi = sad16bi_3dn;
344 :     sad8bi = sad8bi_3dn;
345 :     }
346 :    
347 :    
348 : edgomez 1.15 if ((cpu_flags & XVID_CPU_MMXEXT) > 0) {
349 : edgomez 1.16
350 :     /* Inverse DCT */
351 : Isibaar 1.1 idct = idct_xmm;
352 : edgomez 1.16
353 :     /* Interpolation */
354 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_xmm;
355 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_xmm;
356 : h 1.3 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_xmm;
357 : Isibaar 1.25
358 : chenm001 1.29 /* Quantization */
359 :     dequant_intra = dequant_intra_xmm;
360 :     dequant_inter = dequant_inter_xmm;
361 :    
362 : edgomez 1.19 /* Buffer transfer */
363 :     transfer_8to16sub2 = transfer_8to16sub2_xmm;
364 : edgomez 1.16
365 :     /* Colorspace transformation */
366 : Isibaar 1.1 yuv_to_yv12 = yuv_to_yv12_xmm;
367 :    
368 : edgomez 1.16 /* ME functions */
369 : Isibaar 1.1 sad16 = sad16_xmm;
370 : suxen_drol 1.33 sad8 = sad8_xmm;
371 : chenm001 1.29 sad16bi = sad16bi_xmm;
372 : suxen_drol 1.33 sad8bi = sad8bi_xmm;
373 : Isibaar 1.1 dev16 = dev16_xmm;
374 : chl 1.33.2.1 sad16v = sad16v_xmm;
375 :     fprintf(stderr,"sad16v=XMM\n");
376 : Isibaar 1.1
377 :     }
378 :    
379 : edgomez 1.15 if ((cpu_flags & XVID_CPU_3DNOW) > 0) {
380 : edgomez 1.16
381 :     /* Interpolation */
382 : Isibaar 1.1 interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_3dn;
383 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_3dn;
384 : h 1.4 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_3dn;
385 : Isibaar 1.1 }
386 :    
387 : edgomez 1.15 if ((cpu_flags & XVID_CPU_SSE2) > 0) {
388 : Isibaar 1.14 #ifdef EXPERIMENTAL_SSE2_CODE
389 : edgomez 1.16
390 : chenm001 1.29 calc_cbp = calc_cbp_sse2;
391 :    
392 : edgomez 1.16 /* Quantization */
393 :     quant_intra = quant_intra_sse2;
394 : Isibaar 1.14 dequant_intra = dequant_intra_sse2;
395 : edgomez 1.16 quant_inter = quant_inter_sse2;
396 : Isibaar 1.14 dequant_inter = dequant_inter_sse2;
397 : h 1.13
398 : edgomez 1.16 /* ME */
399 :     sad16 = sad16_sse2;
400 :     dev16 = dev16_sse2;
401 :    
402 :     /* Forward and Inverse DCT */
403 :     idct = idct_sse2;
404 : Isibaar 1.14 fdct = fdct_sse2;
405 :     #endif
406 : h 1.12 }
407 : edgomez 1.16
408 : Isibaar 1.1 #endif
409 : Isibaar 1.18
410 :     #ifdef ARCH_IA64
411 :     if ((cpu_flags & XVID_CPU_IA64) > 0) { //use assembler routines?
412 :     idct_ia64_init();
413 :     fdct = fdct_ia64;
414 :     idct = idct_ia64; //not yet working, crashes
415 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_ia64;
416 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_ia64;
417 :     interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_ia64;
418 :     sad16 = sad16_ia64;
419 :     sad16bi = sad16bi_ia64;
420 :     sad8 = sad8_ia64;
421 :     dev16 = dev16_ia64;
422 : chl 1.33.2.1 // Halfpel8_Refine = Halfpel8_Refine_ia64;
423 : Isibaar 1.18 quant_intra = quant_intra_ia64;
424 :     dequant_intra = dequant_intra_ia64;
425 :     quant_inter = quant_inter_ia64;
426 :     dequant_inter = dequant_inter_ia64;
427 :     transfer_8to16copy = transfer_8to16copy_ia64;
428 :     transfer_16to8copy = transfer_16to8copy_ia64;
429 :     transfer_8to16sub = transfer_8to16sub_ia64;
430 :     transfer_8to16sub2 = transfer_8to16sub2_ia64;
431 :     transfer_16to8add = transfer_16to8add_ia64;
432 :     transfer8x8_copy = transfer8x8_copy_ia64;
433 :     DEBUG("Using IA-64 assembler routines.\n");
434 :     }
435 :     #endif
436 : edgomez 1.16
437 : canard 1.5 #ifdef ARCH_PPC
438 : canard 1.6 #ifdef ARCH_PPC_ALTIVEC
439 :     calc_cbp = calc_cbp_altivec;
440 : canard 1.7 fdct = fdct_altivec;
441 :     idct = idct_altivec;
442 : canard 1.10 sadInit = sadInit_altivec;
443 : canard 1.8 sad16 = sad16_altivec;
444 :     sad8 = sad8_altivec;
445 :     dev16 = dev16_altivec;
446 : canard 1.6 #else
447 : canard 1.5 calc_cbp = calc_cbp_ppc;
448 : canard 1.6 #endif
449 : canard 1.5 #endif
450 : Isibaar 1.1
451 :     return XVID_ERR_OK;
452 :     }
453 :    
454 : edgomez 1.16 /*****************************************************************************
455 :     * XviD Native decoder entry point
456 :     *
457 :     * This function is just a wrapper to all the option cases.
458 :     *
459 :     * Returned values : XVID_ERR_FAIL when opt is invalid
460 :     * else returns the wrapped function result
461 :     *
462 :     ****************************************************************************/
463 :    
464 : edgomez 1.15 int
465 :     xvid_decore(void *handle,
466 :     int opt,
467 :     void *param1,
468 :     void *param2)
469 : Isibaar 1.1 {
470 : edgomez 1.15 switch (opt) {
471 :     case XVID_DEC_DECODE:
472 :     return decoder_decode((DECODER *) handle, (XVID_DEC_FRAME *) param1);
473 :    
474 :     case XVID_DEC_CREATE:
475 : chenm001 1.29 return decoder_create((XVID_DEC_PARAM *) param1);
476 : edgomez 1.15
477 :     case XVID_DEC_DESTROY:
478 :     return decoder_destroy((DECODER *) handle);
479 : Isibaar 1.1
480 :     default:
481 : edgomez 1.15 return XVID_ERR_FAIL;
482 :     }
483 : Isibaar 1.1 }
484 :    
485 : edgomez 1.16
486 :     /*****************************************************************************
487 :     * XviD Native encoder entry point
488 :     *
489 :     * This function is just a wrapper to all the option cases.
490 :     *
491 :     * Returned values : XVID_ERR_FAIL when opt is invalid
492 :     * else returns the wrapped function result
493 :     *
494 :     ****************************************************************************/
495 : Isibaar 1.1
496 : edgomez 1.15 int
497 :     xvid_encore(void *handle,
498 :     int opt,
499 :     void *param1,
500 :     void *param2)
501 : Isibaar 1.1 {
502 : edgomez 1.15 switch (opt) {
503 :     case XVID_ENC_ENCODE:
504 : suxen_drol 1.20 #ifdef BFRAMES
505 :     if (((Encoder *) handle)->mbParam.max_bframes >= 0)
506 :     return encoder_encode_bframes((Encoder *) handle, (XVID_ENC_FRAME *) param1,
507 :     (XVID_ENC_STATS *) param2);
508 :     else
509 :     #endif
510 : edgomez 1.15 return encoder_encode((Encoder *) handle, (XVID_ENC_FRAME *) param1,
511 :     (XVID_ENC_STATS *) param2);
512 :    
513 :     case XVID_ENC_CREATE:
514 :     return encoder_create((XVID_ENC_PARAM *) param1);
515 :    
516 :     case XVID_ENC_DESTROY:
517 :     return encoder_destroy((Encoder *) handle);
518 : Isibaar 1.1
519 :     default:
520 : edgomez 1.15 return XVID_ERR_FAIL;
521 :     }
522 : Isibaar 1.1 }

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