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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 1.33.2.13 * $Id: xvid.c,v 1.33.2.12 2002/11/07 15:21:31 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 : suxen_drol 1.33.2.13
144 :     static
145 :     int xvid_init_init(XVID_INIT_PARAM * init_param)
146 : Isibaar 1.1 {
147 :     int cpu_flags;
148 :    
149 : suxen_drol 1.21 /* Inform the client the API version */
150 :     init_param->api_version = API_VERSION;
151 :    
152 :     /* Inform the client the core build - unused because we're still alpha */
153 :     init_param->core_build = 1000;
154 :    
155 : suxen_drol 1.31 /* Do we have to force CPU features ? */
156 :     if ((init_param->cpu_flags & XVID_CPU_FORCE)) {
157 : suxen_drol 1.21
158 : Isibaar 1.1 cpu_flags = init_param->cpu_flags;
159 : suxen_drol 1.31
160 : edgomez 1.16 } else {
161 : Isibaar 1.1
162 : chenm001 1.29 cpu_flags = check_cpu_features();
163 : suxen_drol 1.31
164 :     #if defined(ARCH_X86) && defined(EXPERIMENTAL_SSE2_CODE)
165 :     if ((cpu_flags & XVID_CPU_SSE) && sigill_check(sse_os_trigger))
166 :     cpu_flags &= ~XVID_CPU_SSE;
167 :    
168 :     if ((cpu_flags & XVID_CPU_SSE2) && sigill_check(sse2_os_trigger))
169 :     cpu_flags &= ~XVID_CPU_SSE2;
170 :     #endif
171 :     }
172 :    
173 :     if ((init_param->cpu_flags & XVID_CPU_CHKONLY))
174 :     {
175 : Isibaar 1.1 init_param->cpu_flags = cpu_flags;
176 : suxen_drol 1.31 return XVID_ERR_OK;
177 : Isibaar 1.1 }
178 : suxen_drol 1.31
179 :     init_param->cpu_flags = cpu_flags;
180 :    
181 : Isibaar 1.1
182 : edgomez 1.16 /* Initialize the function pointers */
183 : Isibaar 1.1 idct_int32_init();
184 : Isibaar 1.9 init_vlc_tables();
185 :    
186 : edgomez 1.16 /* Fixed Point Forward/Inverse DCT transformations */
187 : Isibaar 1.1 fdct = fdct_int32;
188 :     idct = idct_int32;
189 :    
190 : edgomez 1.16 /* Only needed on PPC Altivec archs */
191 : canard 1.10 sadInit = 0;
192 : edgomez 1.15
193 : edgomez 1.16 /* Restore FPU context : emms_c is a nop functions */
194 : Isibaar 1.1 emms = emms_c;
195 :    
196 : edgomez 1.16 /* Quantization functions */
197 :     quant_intra = quant_intra_c;
198 : Isibaar 1.1 dequant_intra = dequant_intra_c;
199 : edgomez 1.16 quant_inter = quant_inter_c;
200 : Isibaar 1.1 dequant_inter = dequant_inter_c;
201 :    
202 : edgomez 1.16 quant4_intra = quant4_intra_c;
203 : Isibaar 1.1 dequant4_intra = dequant4_intra_c;
204 : edgomez 1.16 quant4_inter = quant4_inter_c;
205 : Isibaar 1.1 dequant4_inter = dequant4_inter_c;
206 :    
207 : edgomez 1.16 /* Block transfer related functions */
208 : Isibaar 1.1 transfer_8to16copy = transfer_8to16copy_c;
209 :     transfer_16to8copy = transfer_16to8copy_c;
210 : edgomez 1.16 transfer_8to16sub = transfer_8to16sub_c;
211 : suxen_drol 1.11 transfer_8to16sub2 = transfer_8to16sub2_c;
212 : edgomez 1.16 transfer_16to8add = transfer_16to8add_c;
213 :     transfer8x8_copy = transfer8x8_copy_c;
214 : Isibaar 1.1
215 : h 1.33.2.5 /* Interlacing functions */
216 :     MBFieldTest = MBFieldTest_c;
217 :    
218 : edgomez 1.16 /* Image interpolation related functions */
219 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_c;
220 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_c;
221 : Isibaar 1.1 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_c;
222 : Isibaar 1.33.2.8
223 :     interpolate16x16_lowpass_h = interpolate16x16_lowpass_h_c;
224 :     interpolate16x16_lowpass_v = interpolate16x16_lowpass_v_c;
225 :     interpolate16x16_lowpass_hv = interpolate16x16_lowpass_hv_c;
226 : Isibaar 1.1
227 : Isibaar 1.33.2.6 interpolate8x8_lowpass_h = interpolate8x8_lowpass_h_c;
228 :     interpolate8x8_lowpass_v = interpolate8x8_lowpass_v_c;
229 :     interpolate8x8_lowpass_hv = interpolate8x8_lowpass_hv_c;
230 :    
231 :     interpolate8x8_6tap_lowpass_h = interpolate8x8_6tap_lowpass_h_c;
232 :     interpolate8x8_6tap_lowpass_v = interpolate8x8_6tap_lowpass_v_c;
233 :    
234 :     interpolate8x8_avg2 = interpolate8x8_avg2_c;
235 :     interpolate8x8_avg4 = interpolate8x8_avg4_c;
236 :    
237 : edgomez 1.16 /* Initialize internal colorspace transformation tables */
238 : Isibaar 1.1 colorspace_init();
239 :    
240 : edgomez 1.16 /* All colorspace transformation functions User Format->YV12 */
241 : suxen_drol 1.33.2.11 yv12_to_yv12 = yv12_to_yv12_c;
242 :     rgb555_to_yv12 = rgb555_to_yv12_c;
243 :     rgb565_to_yv12 = rgb565_to_yv12_c;
244 :     bgr_to_yv12 = bgr_to_yv12_c;
245 :     bgra_to_yv12 = bgra_to_yv12_c;
246 :     abgr_to_yv12 = abgr_to_yv12_c;
247 :     rgba_to_yv12 = rgba_to_yv12_c;
248 :     yuyv_to_yv12 = yuyv_to_yv12_c;
249 :     uyvy_to_yv12 = uyvy_to_yv12_c;
250 :    
251 :     rgb555i_to_yv12 = rgb555i_to_yv12_c;
252 :     rgb565i_to_yv12 = rgb565i_to_yv12_c;
253 :     bgri_to_yv12 = bgri_to_yv12_c;
254 :     bgrai_to_yv12 = bgrai_to_yv12_c;
255 :     abgri_to_yv12 = abgri_to_yv12_c;
256 :     rgbai_to_yv12 = rgbai_to_yv12_c;
257 :     yuyvi_to_yv12 = yuyvi_to_yv12_c;
258 :     uyvyi_to_yv12 = uyvyi_to_yv12_c;
259 :    
260 : Isibaar 1.1
261 : edgomez 1.16 /* All colorspace transformation functions YV12->User format */
262 : suxen_drol 1.33.2.11 yv12_to_rgb555 = yv12_to_rgb555_c;
263 :     yv12_to_rgb565 = yv12_to_rgb565_c;
264 :     yv12_to_bgr = yv12_to_bgr_c;
265 :     yv12_to_bgra = yv12_to_bgra_c;
266 :     yv12_to_abgr = yv12_to_abgr_c;
267 :     yv12_to_rgba = yv12_to_rgba_c;
268 :     yv12_to_yuyv = yv12_to_yuyv_c;
269 :     yv12_to_uyvy = yv12_to_uyvy_c;
270 :    
271 :     yv12_to_rgb555i = yv12_to_rgb555i_c;
272 :     yv12_to_rgb565i = yv12_to_rgb565i_c;
273 :     yv12_to_bgri = yv12_to_bgri_c;
274 :     yv12_to_bgrai = yv12_to_bgrai_c;
275 :     yv12_to_abgri = yv12_to_abgri_c;
276 :     yv12_to_rgbai = yv12_to_rgbai_c;
277 :     yv12_to_yuyvi = yv12_to_yuyvi_c;
278 :     yv12_to_uyvyi = yv12_to_uyvyi_c;
279 : Isibaar 1.1
280 : edgomez 1.16 /* Functions used in motion estimation algorithms */
281 : Isibaar 1.1 calc_cbp = calc_cbp_c;
282 : edgomez 1.16 sad16 = sad16_c;
283 : suxen_drol 1.33 sad8 = sad8_c;
284 : edgomez 1.16 sad16bi = sad16bi_c;
285 : suxen_drol 1.33 sad8bi = sad8bi_c;
286 : edgomez 1.16 dev16 = dev16_c;
287 : chl 1.33.2.1 sad16v = sad16v_c;
288 : suxen_drol 1.33
289 : chl 1.33.2.1 // Halfpel8_Refine = Halfpel8_Refine_c;
290 : Isibaar 1.1
291 :     #ifdef ARCH_X86
292 : suxen_drol 1.33.2.11
293 :     if ((cpu_flags & XVID_CPU_MMX) || (cpu_flags & XVID_CPU_MMXEXT) ||
294 :     (cpu_flags & XVID_CPU_3DNOW) || (cpu_flags & XVID_CPU_3DNOWEXT) ||
295 :     (cpu_flags & XVID_CPU_SSE) || (cpu_flags & XVID_CPU_SSE2))
296 :     {
297 :     /* Restore FPU context : emms_c is a nop functions */
298 :     emms = emms_mmx;
299 :     }
300 :    
301 : edgomez 1.15 if ((cpu_flags & XVID_CPU_MMX) > 0) {
302 : edgomez 1.16
303 :     /* Forward and Inverse Discrete Cosine Transformation functions */
304 : Isibaar 1.1 fdct = fdct_mmx;
305 :     idct = idct_mmx;
306 :    
307 : edgomez 1.16 /* Quantization related functions */
308 :     quant_intra = quant_intra_mmx;
309 : Isibaar 1.1 dequant_intra = dequant_intra_mmx;
310 : edgomez 1.16 quant_inter = quant_inter_mmx;
311 : Isibaar 1.1 dequant_inter = dequant_inter_mmx;
312 :    
313 : edgomez 1.16 quant4_intra = quant4_intra_mmx;
314 : Isibaar 1.1 dequant4_intra = dequant4_intra_mmx;
315 : edgomez 1.16 quant4_inter = quant4_inter_mmx;
316 : Isibaar 1.1 dequant4_inter = dequant4_inter_mmx;
317 :    
318 : edgomez 1.16 /* Block related functions */
319 : Isibaar 1.1 transfer_8to16copy = transfer_8to16copy_mmx;
320 :     transfer_16to8copy = transfer_16to8copy_mmx;
321 : edgomez 1.16 transfer_8to16sub = transfer_8to16sub_mmx;
322 : edgomez 1.22 transfer_8to16sub2 = transfer_8to16sub2_mmx;
323 : edgomez 1.16 transfer_16to8add = transfer_16to8add_mmx;
324 :     transfer8x8_copy = transfer8x8_copy_mmx;
325 : edgomez 1.22
326 : h 1.33.2.5 /* Interlacing Functions */
327 :     MBFieldTest = MBFieldTest_mmx;
328 : edgomez 1.16
329 :     /* Image Interpolation related functions */
330 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_mmx;
331 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_mmx;
332 : Isibaar 1.1 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_mmx;
333 : Isibaar 1.33.2.6
334 :     interpolate8x8_6tap_lowpass_h = interpolate8x8_6tap_lowpass_h_mmx;
335 :     interpolate8x8_6tap_lowpass_v = interpolate8x8_6tap_lowpass_v_mmx;
336 :    
337 : Isibaar 1.33.2.9 // interpolate8x8_avg2 = interpolate8x8_avg2_mmx;
338 : Isibaar 1.33.2.6 interpolate8x8_avg4 = interpolate8x8_avg4_mmx;
339 : Isibaar 1.1
340 : suxen_drol 1.33.2.11 /* image input xxx_to_yv12 related functions */
341 :     yv12_to_yv12 = yv12_to_yv12_mmx;
342 :     bgr_to_yv12 = bgr_to_yv12_mmx;
343 :     bgra_to_yv12 = bgra_to_yv12_mmx;
344 : edgomez 1.16 yuyv_to_yv12 = yuyv_to_yv12_mmx;
345 :     uyvy_to_yv12 = uyvy_to_yv12_mmx;
346 : Isibaar 1.1
347 : suxen_drol 1.33.2.11 /* image output yv12_to_xxx related functions */
348 :     yv12_to_bgr = yv12_to_bgr_mmx;
349 :     yv12_to_bgra = yv12_to_bgra_mmx;
350 : edgomez 1.16 yv12_to_yuyv = yv12_to_yuyv_mmx;
351 :     yv12_to_uyvy = yv12_to_uyvy_mmx;
352 : suxen_drol 1.33.2.11
353 :     yv12_to_yuyvi = yv12_to_yuyvi_mmx;
354 :     yv12_to_uyvyi = yv12_to_uyvyi_mmx;
355 : Isibaar 1.1
356 : edgomez 1.16 /* Motion estimation related functions */
357 : Isibaar 1.1 calc_cbp = calc_cbp_mmx;
358 : edgomez 1.16 sad16 = sad16_mmx;
359 :     sad8 = sad8_mmx;
360 : suxen_drol 1.33 sad16bi = sad16bi_mmx;
361 :     sad8bi = sad8bi_mmx;
362 : edgomez 1.16 dev16 = dev16_mmx;
363 : Isibaar 1.33.2.2 sad16v = sad16v_mmx;
364 : Isibaar 1.1
365 :     }
366 :    
367 : suxen_drol 1.33 /* these 3dnow functions are faster than mmx, but slower than xmm. */
368 :     if ((cpu_flags & XVID_CPU_3DNOW) > 0) {
369 :    
370 :     /* ME functions */
371 :     sad16bi = sad16bi_3dn;
372 :     sad8bi = sad8bi_3dn;
373 : suxen_drol 1.33.2.11
374 :     yuyv_to_yv12 = yuyv_to_yv12_3dn;
375 :     uyvy_to_yv12 = uyvy_to_yv12_3dn;
376 : suxen_drol 1.33 }
377 :    
378 :    
379 : edgomez 1.15 if ((cpu_flags & XVID_CPU_MMXEXT) > 0) {
380 : edgomez 1.16
381 :     /* Inverse DCT */
382 : Isibaar 1.1 idct = idct_xmm;
383 : edgomez 1.16
384 :     /* Interpolation */
385 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_xmm;
386 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_xmm;
387 : h 1.3 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_xmm;
388 : Isibaar 1.25
389 : chenm001 1.29 /* Quantization */
390 :     dequant_intra = dequant_intra_xmm;
391 :     dequant_inter = dequant_inter_xmm;
392 :    
393 : edgomez 1.19 /* Buffer transfer */
394 :     transfer_8to16sub2 = transfer_8to16sub2_xmm;
395 : edgomez 1.16
396 :     /* Colorspace transformation */
397 : suxen_drol 1.33.2.11 yv12_to_yv12 = yv12_to_yv12_xmm;
398 :     yuyv_to_yv12 = yuyv_to_yv12_xmm;
399 : Isibaar 1.33.2.12 uyvy_to_yv12 = uyvy_to_yv12_xmm;
400 : Isibaar 1.1
401 : edgomez 1.16 /* ME functions */
402 : Isibaar 1.1 sad16 = sad16_xmm;
403 : suxen_drol 1.33 sad8 = sad8_xmm;
404 : chenm001 1.29 sad16bi = sad16bi_xmm;
405 : suxen_drol 1.33 sad8bi = sad8bi_xmm;
406 : Isibaar 1.1 dev16 = dev16_xmm;
407 : chl 1.33.2.1 sad16v = sad16v_xmm;
408 : Isibaar 1.1 }
409 :    
410 : edgomez 1.15 if ((cpu_flags & XVID_CPU_3DNOW) > 0) {
411 : edgomez 1.16
412 :     /* Interpolation */
413 : Isibaar 1.1 interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_3dn;
414 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_3dn;
415 : h 1.4 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_3dn;
416 : Isibaar 1.1 }
417 :    
418 : edgomez 1.15 if ((cpu_flags & XVID_CPU_SSE2) > 0) {
419 : Isibaar 1.14 #ifdef EXPERIMENTAL_SSE2_CODE
420 : edgomez 1.16
421 : chenm001 1.29 calc_cbp = calc_cbp_sse2;
422 :    
423 : edgomez 1.16 /* Quantization */
424 :     quant_intra = quant_intra_sse2;
425 : Isibaar 1.14 dequant_intra = dequant_intra_sse2;
426 : edgomez 1.16 quant_inter = quant_inter_sse2;
427 : Isibaar 1.14 dequant_inter = dequant_inter_sse2;
428 : h 1.13
429 : edgomez 1.16 /* ME */
430 :     sad16 = sad16_sse2;
431 :     dev16 = dev16_sse2;
432 :    
433 :     /* Forward and Inverse DCT */
434 :     idct = idct_sse2;
435 : Isibaar 1.14 fdct = fdct_sse2;
436 :     #endif
437 : h 1.12 }
438 : edgomez 1.16
439 : Isibaar 1.1 #endif
440 : Isibaar 1.18
441 :     #ifdef ARCH_IA64
442 :     if ((cpu_flags & XVID_CPU_IA64) > 0) { //use assembler routines?
443 :     idct_ia64_init();
444 :     fdct = fdct_ia64;
445 :     idct = idct_ia64; //not yet working, crashes
446 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_ia64;
447 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_ia64;
448 :     interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_ia64;
449 :     sad16 = sad16_ia64;
450 :     sad16bi = sad16bi_ia64;
451 :     sad8 = sad8_ia64;
452 :     dev16 = dev16_ia64;
453 : chl 1.33.2.1 // Halfpel8_Refine = Halfpel8_Refine_ia64;
454 : Isibaar 1.18 quant_intra = quant_intra_ia64;
455 :     dequant_intra = dequant_intra_ia64;
456 :     quant_inter = quant_inter_ia64;
457 :     dequant_inter = dequant_inter_ia64;
458 :     transfer_8to16copy = transfer_8to16copy_ia64;
459 :     transfer_16to8copy = transfer_16to8copy_ia64;
460 :     transfer_8to16sub = transfer_8to16sub_ia64;
461 :     transfer_8to16sub2 = transfer_8to16sub2_ia64;
462 :     transfer_16to8add = transfer_16to8add_ia64;
463 :     transfer8x8_copy = transfer8x8_copy_ia64;
464 :     DEBUG("Using IA-64 assembler routines.\n");
465 :     }
466 :     #endif
467 : edgomez 1.16
468 : canard 1.5 #ifdef ARCH_PPC
469 : canard 1.6 #ifdef ARCH_PPC_ALTIVEC
470 :     calc_cbp = calc_cbp_altivec;
471 : canard 1.7 fdct = fdct_altivec;
472 :     idct = idct_altivec;
473 : canard 1.10 sadInit = sadInit_altivec;
474 : canard 1.8 sad16 = sad16_altivec;
475 :     sad8 = sad8_altivec;
476 :     dev16 = dev16_altivec;
477 : canard 1.6 #else
478 : canard 1.5 calc_cbp = calc_cbp_ppc;
479 : canard 1.6 #endif
480 : canard 1.5 #endif
481 : Isibaar 1.1
482 :     return XVID_ERR_OK;
483 : suxen_drol 1.33.2.13 }
484 :    
485 :    
486 :    
487 :     static int
488 :     xvid_init_convert(XVID_INIT_CONVERTINFO* convert)
489 :     {
490 :     const int flip1 = (convert->input.colorspace & XVID_CSP_VFLIP) ^ (convert->output.colorspace & XVID_CSP_VFLIP);
491 :     const int width = convert->width;
492 :     const int height = convert->height;
493 :     const int width2 = convert->width/2;
494 :     const int height2 = convert->height/2;
495 :     IMAGE img;
496 :    
497 :     switch (convert->input.colorspace & ~XVID_CSP_VFLIP)
498 :     {
499 :     case XVID_CSP_YV12 :
500 :     img.y = convert->input.y;
501 :     img.v = (uint8_t*)convert->input.y + width*height;
502 :     img.u = (uint8_t*)convert->input.y + width*height + width2*height2;
503 :     image_output(&img, width, height, width,
504 :     convert->output.y, convert->output.y_stride,
505 :     convert->output.colorspace, convert->interlacing);
506 :     break;
507 :    
508 :     default :
509 :     return XVID_ERR_FORMAT;
510 :     }
511 :    
512 :    
513 :     emms();
514 :     return XVID_ERR_OK;
515 :     }
516 :    
517 :    
518 :     int
519 :     xvid_init(void *handle,
520 :     int opt,
521 :     void *param1,
522 :     void *param2)
523 :     {
524 :     switch(opt)
525 :     {
526 :     case XVID_INIT_INIT :
527 :     return xvid_init_init((XVID_INIT_PARAM*)param1);
528 :    
529 :     case XVID_INIT_CONVERT :
530 :     return xvid_init_convert((XVID_INIT_CONVERTINFO*)param1);
531 :    
532 :     default :
533 :     return XVID_ERR_FAIL;
534 :     }
535 : Isibaar 1.1 }
536 :    
537 : edgomez 1.16 /*****************************************************************************
538 :     * XviD Native decoder entry point
539 :     *
540 :     * This function is just a wrapper to all the option cases.
541 :     *
542 :     * Returned values : XVID_ERR_FAIL when opt is invalid
543 :     * else returns the wrapped function result
544 :     *
545 :     ****************************************************************************/
546 :    
547 : edgomez 1.15 int
548 :     xvid_decore(void *handle,
549 :     int opt,
550 :     void *param1,
551 :     void *param2)
552 : Isibaar 1.1 {
553 : edgomez 1.15 switch (opt) {
554 :     case XVID_DEC_DECODE:
555 : suxen_drol 1.33.2.11 return decoder_decode((DECODER *) handle, (XVID_DEC_FRAME *) param1, (XVID_DEC_STATS*) param2);
556 : edgomez 1.15
557 :     case XVID_DEC_CREATE:
558 : chenm001 1.29 return decoder_create((XVID_DEC_PARAM *) param1);
559 : edgomez 1.15
560 :     case XVID_DEC_DESTROY:
561 :     return decoder_destroy((DECODER *) handle);
562 : Isibaar 1.1
563 :     default:
564 : edgomez 1.15 return XVID_ERR_FAIL;
565 :     }
566 : Isibaar 1.1 }
567 :    
568 : edgomez 1.16
569 :     /*****************************************************************************
570 :     * XviD Native encoder entry point
571 :     *
572 :     * This function is just a wrapper to all the option cases.
573 :     *
574 :     * Returned values : XVID_ERR_FAIL when opt is invalid
575 :     * else returns the wrapped function result
576 :     *
577 :     ****************************************************************************/
578 : Isibaar 1.1
579 : edgomez 1.15 int
580 :     xvid_encore(void *handle,
581 :     int opt,
582 :     void *param1,
583 :     void *param2)
584 : Isibaar 1.1 {
585 : edgomez 1.15 switch (opt) {
586 :     case XVID_ENC_ENCODE:
587 : chl 1.33.2.10
588 : suxen_drol 1.20 if (((Encoder *) handle)->mbParam.max_bframes >= 0)
589 :     return encoder_encode_bframes((Encoder *) handle, (XVID_ENC_FRAME *) param1,
590 :     (XVID_ENC_STATS *) param2);
591 :     else
592 : edgomez 1.15 return encoder_encode((Encoder *) handle, (XVID_ENC_FRAME *) param1,
593 :     (XVID_ENC_STATS *) param2);
594 :    
595 :     case XVID_ENC_CREATE:
596 :     return encoder_create((XVID_ENC_PARAM *) param1);
597 :    
598 :     case XVID_ENC_DESTROY:
599 :     return encoder_destroy((Encoder *) handle);
600 : Isibaar 1.1
601 :     default:
602 : edgomez 1.15 return XVID_ERR_FAIL;
603 :     }
604 : Isibaar 1.1 }

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