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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 : edgomez 1.16 /*****************************************************************************
31 : edgomez 1.17 *
32 :     * History
33 :     *
34 : suxen_drol 1.21 * - 23.06.2002 added XVID_CPU_CHKONLY
35 : edgomez 1.17 * - 17.03.2002 Added interpolate8x8_halfpel_hv_xmm
36 :     * - 22.12.2001 API change: added xvid_init() - Isibaar
37 :     * - 16.12.2001 inital version; (c)2001 peter ross <pross@cs.rmit.edu.au>
38 :     *
39 : chenm001 1.28 * $Id: xvid.c,v 1.23 2002/06/26 15:59:51 ia64p Exp $
40 : edgomez 1.17 *
41 :     ****************************************************************************/
42 : Isibaar 1.1
43 :     #include "xvid.h"
44 :     #include "decoder.h"
45 :     #include "encoder.h"
46 :     #include "bitstream/cbp.h"
47 :     #include "dct/idct.h"
48 :     #include "dct/fdct.h"
49 :     #include "image/colorspace.h"
50 :     #include "image/interpolate8x8.h"
51 :     #include "utils/mem_transfer.h"
52 :     #include "quant/quant_h263.h"
53 :     #include "quant/quant_mpeg4.h"
54 :     #include "motion/sad.h"
55 :     #include "utils/emms.h"
56 :     #include "utils/timer.h"
57 : Isibaar 1.9 #include "bitstream/mbcoding.h"
58 : Isibaar 1.1
59 : edgomez 1.16 /*****************************************************************************
60 :     * XviD Init Entry point
61 :     *
62 :     * Well this function initialize all internal function pointers according
63 :     * to the CPU features forced by the library client or autodetected (depending
64 :     * on the XVID_CPU_FORCE flag). It also initializes vlc coding tables and all
65 :     * image colorspace transformation tables.
66 :     *
67 :     * Returned value : XVID_ERR_OK
68 :     * + API_VERSION in the input XVID_INIT_PARAM structure
69 :     * + core build " " " " "
70 :     *
71 :     ****************************************************************************/
72 :    
73 : edgomez 1.15 int
74 :     xvid_init(void *handle,
75 :     int opt,
76 :     void *param1,
77 :     void *param2)
78 : Isibaar 1.1 {
79 :     int cpu_flags;
80 :     XVID_INIT_PARAM *init_param;
81 :    
82 :     init_param = (XVID_INIT_PARAM *) param1;
83 :    
84 : suxen_drol 1.21 /* Inform the client the API version */
85 :     init_param->api_version = API_VERSION;
86 :    
87 :     /* Inform the client the core build - unused because we're still alpha */
88 :     init_param->core_build = 1000;
89 :    
90 : chenm001 1.28 printf("init_param->cpu_flags %x\n",init_param->cpu_flags);//NIC
91 :    
92 : suxen_drol 1.21 if ((init_param->cpu_flags & XVID_CPU_CHKONLY))
93 :     {
94 : chenm001 1.28 //init_param->cpu_flags = check_cpu_features();//nic
95 : suxen_drol 1.21 return XVID_ERR_OK;
96 :     }
97 :    
98 : edgomez 1.16 /* Do we have to force CPU features ? */
99 :     if ((init_param->cpu_flags & XVID_CPU_FORCE) > 0) {
100 : Isibaar 1.1 cpu_flags = init_param->cpu_flags;
101 : edgomez 1.16 } else {
102 : Isibaar 1.1
103 : chenm001 1.28 //cpu_flags = check_cpu_features();//nic
104 : Isibaar 1.1 init_param->cpu_flags = cpu_flags;
105 :     }
106 :    
107 : edgomez 1.16 /* Initialize the function pointers */
108 : Isibaar 1.1 idct_int32_init();
109 : Isibaar 1.9 init_vlc_tables();
110 :    
111 : edgomez 1.16 /* Fixed Point Forward/Inverse DCT transformations */
112 : Isibaar 1.1 fdct = fdct_int32;
113 :     idct = idct_int32;
114 :    
115 : edgomez 1.16 /* Only needed on PPC Altivec archs */
116 : canard 1.10 sadInit = 0;
117 : edgomez 1.15
118 : edgomez 1.16 /* Restore FPU context : emms_c is a nop functions */
119 : Isibaar 1.1 emms = emms_c;
120 :    
121 : edgomez 1.16 /* Quantization functions */
122 :     quant_intra = quant_intra_c;
123 : Isibaar 1.1 dequant_intra = dequant_intra_c;
124 : edgomez 1.16 quant_inter = quant_inter_c;
125 : Isibaar 1.1 dequant_inter = dequant_inter_c;
126 :    
127 : edgomez 1.16 quant4_intra = quant4_intra_c;
128 : Isibaar 1.1 dequant4_intra = dequant4_intra_c;
129 : edgomez 1.16 quant4_inter = quant4_inter_c;
130 : Isibaar 1.1 dequant4_inter = dequant4_inter_c;
131 :    
132 : edgomez 1.16 /* Block transfer related functions */
133 : Isibaar 1.1 transfer_8to16copy = transfer_8to16copy_c;
134 :     transfer_16to8copy = transfer_16to8copy_c;
135 : edgomez 1.16 transfer_8to16sub = transfer_8to16sub_c;
136 : suxen_drol 1.11 transfer_8to16sub2 = transfer_8to16sub2_c;
137 : edgomez 1.16 transfer_16to8add = transfer_16to8add_c;
138 :     transfer8x8_copy = transfer8x8_copy_c;
139 : Isibaar 1.1
140 : edgomez 1.16 /* Image interpolation related functions */
141 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_c;
142 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_c;
143 : Isibaar 1.1 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_c;
144 :    
145 : edgomez 1.16 /* Initialize internal colorspace transformation tables */
146 : Isibaar 1.1 colorspace_init();
147 :    
148 : edgomez 1.16 /* All colorspace transformation functions User Format->YV12 */
149 : Isibaar 1.1 rgb555_to_yv12 = rgb555_to_yv12_c;
150 :     rgb565_to_yv12 = rgb565_to_yv12_c;
151 : edgomez 1.16 rgb24_to_yv12 = rgb24_to_yv12_c;
152 :     rgb32_to_yv12 = rgb32_to_yv12_c;
153 :     yuv_to_yv12 = yuv_to_yv12_c;
154 :     yuyv_to_yv12 = yuyv_to_yv12_c;
155 :     uyvy_to_yv12 = uyvy_to_yv12_c;
156 : Isibaar 1.1
157 : edgomez 1.16 /* All colorspace transformation functions YV12->User format */
158 : Isibaar 1.1 yv12_to_rgb555 = yv12_to_rgb555_c;
159 :     yv12_to_rgb565 = yv12_to_rgb565_c;
160 : edgomez 1.16 yv12_to_rgb24 = yv12_to_rgb24_c;
161 :     yv12_to_rgb32 = yv12_to_rgb32_c;
162 :     yv12_to_yuv = yv12_to_yuv_c;
163 :     yv12_to_yuyv = yv12_to_yuyv_c;
164 :     yv12_to_uyvy = yv12_to_uyvy_c;
165 : Isibaar 1.1
166 : edgomez 1.16 /* Functions used in motion estimation algorithms */
167 : Isibaar 1.1 calc_cbp = calc_cbp_c;
168 : edgomez 1.16 sad16 = sad16_c;
169 :     sad16bi = sad16bi_c;
170 :     sad8 = sad8_c;
171 :     dev16 = dev16_c;
172 : Isibaar 1.1
173 :     #ifdef ARCH_X86
174 : edgomez 1.15 if ((cpu_flags & XVID_CPU_MMX) > 0) {
175 : edgomez 1.16
176 :     /* Forward and Inverse Discrete Cosine Transformation functions */
177 : Isibaar 1.1 fdct = fdct_mmx;
178 :     idct = idct_mmx;
179 :    
180 : edgomez 1.16 /* To restore FPU context after mmx use */
181 : Isibaar 1.1 emms = emms_mmx;
182 :    
183 : edgomez 1.16 /* Quantization related functions */
184 :     quant_intra = quant_intra_mmx;
185 : Isibaar 1.1 dequant_intra = dequant_intra_mmx;
186 : edgomez 1.16 quant_inter = quant_inter_mmx;
187 : Isibaar 1.1 dequant_inter = dequant_inter_mmx;
188 :    
189 : edgomez 1.16 quant4_intra = quant4_intra_mmx;
190 : Isibaar 1.1 dequant4_intra = dequant4_intra_mmx;
191 : edgomez 1.16 quant4_inter = quant4_inter_mmx;
192 : Isibaar 1.1 dequant4_inter = dequant4_inter_mmx;
193 :    
194 : edgomez 1.16 /* Block related functions */
195 : Isibaar 1.1 transfer_8to16copy = transfer_8to16copy_mmx;
196 :     transfer_16to8copy = transfer_16to8copy_mmx;
197 : edgomez 1.16 transfer_8to16sub = transfer_8to16sub_mmx;
198 : edgomez 1.22 transfer_8to16sub2 = transfer_8to16sub2_mmx;
199 : edgomez 1.16 transfer_16to8add = transfer_16to8add_mmx;
200 :     transfer8x8_copy = transfer8x8_copy_mmx;
201 : edgomez 1.22
202 : edgomez 1.16
203 :     /* Image Interpolation related functions */
204 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_mmx;
205 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_mmx;
206 : Isibaar 1.1 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_mmx;
207 :    
208 : edgomez 1.16 /* Image RGB->YV12 related functions */
209 : Isibaar 1.1 rgb24_to_yv12 = rgb24_to_yv12_mmx;
210 :     rgb32_to_yv12 = rgb32_to_yv12_mmx;
211 : edgomez 1.16 yuv_to_yv12 = yuv_to_yv12_mmx;
212 :     yuyv_to_yv12 = yuyv_to_yv12_mmx;
213 :     uyvy_to_yv12 = uyvy_to_yv12_mmx;
214 : Isibaar 1.1
215 : edgomez 1.16 /* Image YV12->RGB related functions */
216 : Isibaar 1.1 yv12_to_rgb24 = yv12_to_rgb24_mmx;
217 :     yv12_to_rgb32 = yv12_to_rgb32_mmx;
218 : edgomez 1.16 yv12_to_yuyv = yv12_to_yuyv_mmx;
219 :     yv12_to_uyvy = yv12_to_uyvy_mmx;
220 : Isibaar 1.1
221 : edgomez 1.16 /* Motion estimation related functions */
222 : Isibaar 1.1 calc_cbp = calc_cbp_mmx;
223 : edgomez 1.16 sad16 = sad16_mmx;
224 :     sad8 = sad8_mmx;
225 :     dev16 = dev16_mmx;
226 : Isibaar 1.1
227 :     }
228 :    
229 : edgomez 1.15 if ((cpu_flags & XVID_CPU_MMXEXT) > 0) {
230 : edgomez 1.16
231 :     /* Inverse DCT */
232 : Isibaar 1.1 idct = idct_xmm;
233 : edgomez 1.16
234 :     /* Interpolation */
235 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_xmm;
236 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_xmm;
237 : h 1.3 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_xmm;
238 : Isibaar 1.25
239 : edgomez 1.19 /* Buffer transfer */
240 :     transfer_8to16sub2 = transfer_8to16sub2_xmm;
241 : edgomez 1.16
242 :     /* Colorspace transformation */
243 : Isibaar 1.1 yuv_to_yv12 = yuv_to_yv12_xmm;
244 :    
245 : edgomez 1.16 /* ME functions */
246 : Isibaar 1.1 sad16 = sad16_xmm;
247 : edgomez 1.16 sad8 = sad8_xmm;
248 : Isibaar 1.1 dev16 = dev16_xmm;
249 :    
250 :     }
251 :    
252 : edgomez 1.15 if ((cpu_flags & XVID_CPU_3DNOW) > 0) {
253 : edgomez 1.16
254 :     /* Interpolation */
255 : Isibaar 1.1 interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_3dn;
256 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_3dn;
257 : h 1.4 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_3dn;
258 : Isibaar 1.1 }
259 :    
260 : edgomez 1.15 if ((cpu_flags & XVID_CPU_SSE2) > 0) {
261 : Isibaar 1.14 #ifdef EXPERIMENTAL_SSE2_CODE
262 : edgomez 1.16
263 :     /* Quantization */
264 :     quant_intra = quant_intra_sse2;
265 : Isibaar 1.14 dequant_intra = dequant_intra_sse2;
266 : edgomez 1.16 quant_inter = quant_inter_sse2;
267 : Isibaar 1.14 dequant_inter = dequant_inter_sse2;
268 : h 1.13
269 : edgomez 1.16 /* ME */
270 : chenm001 1.28 calc_cbp = calc_cbp_sse2;
271 : edgomez 1.16 sad16 = sad16_sse2;
272 :     dev16 = dev16_sse2;
273 :    
274 :     /* Forward and Inverse DCT */
275 :     idct = idct_sse2;
276 : Isibaar 1.14 fdct = fdct_sse2;
277 :     #endif
278 : h 1.12 }
279 : edgomez 1.16
280 : Isibaar 1.1 #endif
281 : Isibaar 1.18
282 :     #ifdef ARCH_IA64
283 :     if ((cpu_flags & XVID_CPU_IA64) > 0) { //use assembler routines?
284 :     idct_ia64_init();
285 :     fdct = fdct_ia64;
286 :     idct = idct_ia64; //not yet working, crashes
287 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_ia64;
288 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_ia64;
289 :     interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_ia64;
290 :     sad16 = sad16_ia64;
291 :     sad16bi = sad16bi_ia64;
292 :     sad8 = sad8_ia64;
293 :     dev16 = dev16_ia64;
294 :     quant_intra = quant_intra_ia64;
295 :     dequant_intra = dequant_intra_ia64;
296 :     quant_inter = quant_inter_ia64;
297 :     dequant_inter = dequant_inter_ia64;
298 :     transfer_8to16copy = transfer_8to16copy_ia64;
299 :     transfer_16to8copy = transfer_16to8copy_ia64;
300 :     transfer_8to16sub = transfer_8to16sub_ia64;
301 :     transfer_8to16sub2 = transfer_8to16sub2_ia64;
302 :     transfer_16to8add = transfer_16to8add_ia64;
303 :     transfer8x8_copy = transfer8x8_copy_ia64;
304 :     DEBUG("Using IA-64 assembler routines.\n");
305 :     }
306 :     #endif
307 : edgomez 1.16
308 : canard 1.5 #ifdef ARCH_PPC
309 : canard 1.6 #ifdef ARCH_PPC_ALTIVEC
310 :     calc_cbp = calc_cbp_altivec;
311 : canard 1.7 fdct = fdct_altivec;
312 :     idct = idct_altivec;
313 : canard 1.10 sadInit = sadInit_altivec;
314 : canard 1.8 sad16 = sad16_altivec;
315 :     sad8 = sad8_altivec;
316 :     dev16 = dev16_altivec;
317 : canard 1.6 #else
318 : canard 1.5 calc_cbp = calc_cbp_ppc;
319 : canard 1.6 #endif
320 : canard 1.5 #endif
321 : Isibaar 1.1
322 :     return XVID_ERR_OK;
323 :     }
324 :    
325 : edgomez 1.16 /*****************************************************************************
326 :     * XviD Native decoder entry point
327 :     *
328 :     * This function is just a wrapper to all the option cases.
329 :     *
330 :     * Returned values : XVID_ERR_FAIL when opt is invalid
331 :     * else returns the wrapped function result
332 :     *
333 :     ****************************************************************************/
334 :    
335 : edgomez 1.15 int
336 :     xvid_decore(void *handle,
337 :     int opt,
338 :     void *param1,
339 :     void *param2)
340 : Isibaar 1.1 {
341 : edgomez 1.15 switch (opt) {
342 :     case XVID_DEC_DECODE:
343 :     return decoder_decode((DECODER *) handle, (XVID_DEC_FRAME *) param1);
344 :    
345 :     case XVID_DEC_CREATE:
346 : chenm001 1.28 /* ***************************************************************************
347 :     NIC uso il secondo parametro 'param2' ma in realta` non so bene per cosa e`
348 :     stato pensato ..... e quindi in futuro potrebbe essere un problema
349 :     *************************************************************************** */
350 :     if(param2!=NULL)
351 :     return IM1_decoder_create((XVID_DEC_PARAM *) param1,(XVID_DEC_FRAME *) param2);
352 :     else
353 :     return decoder_create((XVID_DEC_PARAM *) param1); //NIC commentata
354 : edgomez 1.15
355 :     case XVID_DEC_DESTROY:
356 :     return decoder_destroy((DECODER *) handle);
357 : Isibaar 1.1
358 :     default:
359 : edgomez 1.15 return XVID_ERR_FAIL;
360 :     }
361 : Isibaar 1.1 }
362 :    
363 : edgomez 1.16
364 :     /*****************************************************************************
365 :     * XviD Native encoder entry point
366 :     *
367 :     * This function is just a wrapper to all the option cases.
368 :     *
369 :     * Returned values : XVID_ERR_FAIL when opt is invalid
370 :     * else returns the wrapped function result
371 :     *
372 :     ****************************************************************************/
373 : Isibaar 1.1
374 : edgomez 1.15 int
375 :     xvid_encore(void *handle,
376 :     int opt,
377 :     void *param1,
378 :     void *param2)
379 : Isibaar 1.1 {
380 : edgomez 1.15 switch (opt) {
381 :     case XVID_ENC_ENCODE:
382 : suxen_drol 1.20 #ifdef BFRAMES
383 :     if (((Encoder *) handle)->mbParam.max_bframes >= 0)
384 :     return encoder_encode_bframes((Encoder *) handle, (XVID_ENC_FRAME *) param1,
385 :     (XVID_ENC_STATS *) param2);
386 :     else
387 :     #endif
388 : edgomez 1.15 return encoder_encode((Encoder *) handle, (XVID_ENC_FRAME *) param1,
389 :     (XVID_ENC_STATS *) param2);
390 :    
391 :     case XVID_ENC_CREATE:
392 :     return encoder_create((XVID_ENC_PARAM *) param1);
393 :    
394 :     case XVID_ENC_DESTROY:
395 :     return encoder_destroy((Encoder *) handle);
396 : Isibaar 1.1
397 :     default:
398 : edgomez 1.15 return XVID_ERR_FAIL;
399 :     }
400 : Isibaar 1.1 }

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