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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 :     * - 17.03.2002 Added interpolate8x8_halfpel_hv_xmm
35 :     * - 22.12.2001 API change: added xvid_init() - Isibaar
36 :     * - 16.12.2001 inital version; (c)2001 peter ross <pross@cs.rmit.edu.au>
37 :     *
38 : edgomez 1.19 * $Id: xvid.c,v 1.18 2002/06/14 13:27:52 Isibaar Exp $
39 : edgomez 1.17 *
40 :     ****************************************************************************/
41 : Isibaar 1.1
42 :     #include "xvid.h"
43 :     #include "decoder.h"
44 :     #include "encoder.h"
45 :     #include "bitstream/cbp.h"
46 :     #include "dct/idct.h"
47 :     #include "dct/fdct.h"
48 :     #include "image/colorspace.h"
49 :     #include "image/interpolate8x8.h"
50 :     #include "utils/mem_transfer.h"
51 :     #include "quant/quant_h263.h"
52 :     #include "quant/quant_mpeg4.h"
53 :     #include "motion/sad.h"
54 :     #include "utils/emms.h"
55 :     #include "utils/timer.h"
56 : Isibaar 1.9 #include "bitstream/mbcoding.h"
57 : Isibaar 1.1
58 : edgomez 1.16 /*****************************************************************************
59 :     * XviD Init Entry point
60 :     *
61 :     * Well this function initialize all internal function pointers according
62 :     * to the CPU features forced by the library client or autodetected (depending
63 :     * on the XVID_CPU_FORCE flag). It also initializes vlc coding tables and all
64 :     * image colorspace transformation tables.
65 :     *
66 :     * Returned value : XVID_ERR_OK
67 :     * + API_VERSION in the input XVID_INIT_PARAM structure
68 :     * + core build " " " " "
69 :     *
70 :     ****************************************************************************/
71 :    
72 : edgomez 1.15 int
73 :     xvid_init(void *handle,
74 :     int opt,
75 :     void *param1,
76 :     void *param2)
77 : Isibaar 1.1 {
78 :     int cpu_flags;
79 :     XVID_INIT_PARAM *init_param;
80 :    
81 :     init_param = (XVID_INIT_PARAM *) param1;
82 :    
83 : edgomez 1.16 /* Do we have to force CPU features ? */
84 :     if ((init_param->cpu_flags & XVID_CPU_FORCE) > 0) {
85 : Isibaar 1.1 cpu_flags = init_param->cpu_flags;
86 : edgomez 1.16 } else {
87 : Isibaar 1.1
88 :     #ifdef ARCH_X86
89 :     cpu_flags = check_cpu_features();
90 :     #else
91 :     cpu_flags = 0;
92 :     #endif
93 :     init_param->cpu_flags = cpu_flags;
94 :     }
95 :    
96 : edgomez 1.16 /* Initialize the function pointers */
97 : Isibaar 1.1 idct_int32_init();
98 : Isibaar 1.9 init_vlc_tables();
99 :    
100 : edgomez 1.16 /* Fixed Point Forward/Inverse DCT transformations */
101 : Isibaar 1.1 fdct = fdct_int32;
102 :     idct = idct_int32;
103 :    
104 : edgomez 1.16 /* Only needed on PPC Altivec archs */
105 : canard 1.10 sadInit = 0;
106 : edgomez 1.15
107 : edgomez 1.16 /* Restore FPU context : emms_c is a nop functions */
108 : Isibaar 1.1 emms = emms_c;
109 :    
110 : edgomez 1.16 /* Quantization functions */
111 :     quant_intra = quant_intra_c;
112 : Isibaar 1.1 dequant_intra = dequant_intra_c;
113 : edgomez 1.16 quant_inter = quant_inter_c;
114 : Isibaar 1.1 dequant_inter = dequant_inter_c;
115 :    
116 : edgomez 1.16 quant4_intra = quant4_intra_c;
117 : Isibaar 1.1 dequant4_intra = dequant4_intra_c;
118 : edgomez 1.16 quant4_inter = quant4_inter_c;
119 : Isibaar 1.1 dequant4_inter = dequant4_inter_c;
120 :    
121 : edgomez 1.16 /* Block transfer related functions */
122 : Isibaar 1.1 transfer_8to16copy = transfer_8to16copy_c;
123 :     transfer_16to8copy = transfer_16to8copy_c;
124 : edgomez 1.16 transfer_8to16sub = transfer_8to16sub_c;
125 : suxen_drol 1.11 transfer_8to16sub2 = transfer_8to16sub2_c;
126 : edgomez 1.16 transfer_16to8add = transfer_16to8add_c;
127 :     transfer8x8_copy = transfer8x8_copy_c;
128 : Isibaar 1.1
129 : edgomez 1.16 /* Image interpolation related functions */
130 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_c;
131 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_c;
132 : Isibaar 1.1 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_c;
133 :    
134 : edgomez 1.16 /* Initialize internal colorspace transformation tables */
135 : Isibaar 1.1 colorspace_init();
136 :    
137 : edgomez 1.16 /* All colorspace transformation functions User Format->YV12 */
138 : Isibaar 1.1 rgb555_to_yv12 = rgb555_to_yv12_c;
139 :     rgb565_to_yv12 = rgb565_to_yv12_c;
140 : edgomez 1.16 rgb24_to_yv12 = rgb24_to_yv12_c;
141 :     rgb32_to_yv12 = rgb32_to_yv12_c;
142 :     yuv_to_yv12 = yuv_to_yv12_c;
143 :     yuyv_to_yv12 = yuyv_to_yv12_c;
144 :     uyvy_to_yv12 = uyvy_to_yv12_c;
145 : Isibaar 1.1
146 : edgomez 1.16 /* All colorspace transformation functions YV12->User format */
147 : Isibaar 1.1 yv12_to_rgb555 = yv12_to_rgb555_c;
148 :     yv12_to_rgb565 = yv12_to_rgb565_c;
149 : edgomez 1.16 yv12_to_rgb24 = yv12_to_rgb24_c;
150 :     yv12_to_rgb32 = yv12_to_rgb32_c;
151 :     yv12_to_yuv = yv12_to_yuv_c;
152 :     yv12_to_yuyv = yv12_to_yuyv_c;
153 :     yv12_to_uyvy = yv12_to_uyvy_c;
154 : Isibaar 1.1
155 : edgomez 1.16 /* Functions used in motion estimation algorithms */
156 : Isibaar 1.1 calc_cbp = calc_cbp_c;
157 : edgomez 1.16 sad16 = sad16_c;
158 :     sad16bi = sad16bi_c;
159 :     sad8 = sad8_c;
160 :     dev16 = dev16_c;
161 : Isibaar 1.1
162 :     #ifdef ARCH_X86
163 : edgomez 1.15 if ((cpu_flags & XVID_CPU_MMX) > 0) {
164 : edgomez 1.16
165 :     /* Forward and Inverse Discrete Cosine Transformation functions */
166 : Isibaar 1.1 fdct = fdct_mmx;
167 :     idct = idct_mmx;
168 :    
169 : edgomez 1.16 /* To restore FPU context after mmx use */
170 : Isibaar 1.1 emms = emms_mmx;
171 :    
172 : edgomez 1.16 /* Quantization related functions */
173 :     quant_intra = quant_intra_mmx;
174 : Isibaar 1.1 dequant_intra = dequant_intra_mmx;
175 : edgomez 1.16 quant_inter = quant_inter_mmx;
176 : Isibaar 1.1 dequant_inter = dequant_inter_mmx;
177 :    
178 : edgomez 1.16 quant4_intra = quant4_intra_mmx;
179 : Isibaar 1.1 dequant4_intra = dequant4_intra_mmx;
180 : edgomez 1.16 quant4_inter = quant4_inter_mmx;
181 : Isibaar 1.1 dequant4_inter = dequant4_inter_mmx;
182 :    
183 : edgomez 1.16 /* Block related functions */
184 : Isibaar 1.1 transfer_8to16copy = transfer_8to16copy_mmx;
185 :     transfer_16to8copy = transfer_16to8copy_mmx;
186 : edgomez 1.16 transfer_8to16sub = transfer_8to16sub_mmx;
187 :     transfer_16to8add = transfer_16to8add_mmx;
188 :     transfer8x8_copy = transfer8x8_copy_mmx;
189 :    
190 :     /* Image Interpolation related functions */
191 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_mmx;
192 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_mmx;
193 : Isibaar 1.1 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_mmx;
194 :    
195 : edgomez 1.16 /* Image RGB->YV12 related functions */
196 : Isibaar 1.1 rgb24_to_yv12 = rgb24_to_yv12_mmx;
197 :     rgb32_to_yv12 = rgb32_to_yv12_mmx;
198 : edgomez 1.16 yuv_to_yv12 = yuv_to_yv12_mmx;
199 :     yuyv_to_yv12 = yuyv_to_yv12_mmx;
200 :     uyvy_to_yv12 = uyvy_to_yv12_mmx;
201 : Isibaar 1.1
202 : edgomez 1.16 /* Image YV12->RGB related functions */
203 : Isibaar 1.1 yv12_to_rgb24 = yv12_to_rgb24_mmx;
204 :     yv12_to_rgb32 = yv12_to_rgb32_mmx;
205 : edgomez 1.16 yv12_to_yuyv = yv12_to_yuyv_mmx;
206 :     yv12_to_uyvy = yv12_to_uyvy_mmx;
207 : Isibaar 1.1
208 : edgomez 1.16 /* Motion estimation related functions */
209 : Isibaar 1.1 calc_cbp = calc_cbp_mmx;
210 : edgomez 1.16 sad16 = sad16_mmx;
211 :     sad8 = sad8_mmx;
212 :     dev16 = dev16_mmx;
213 : Isibaar 1.1
214 :     }
215 :    
216 : edgomez 1.15 if ((cpu_flags & XVID_CPU_MMXEXT) > 0) {
217 : edgomez 1.16
218 :     /* Inverse DCT */
219 : Isibaar 1.1 idct = idct_xmm;
220 : edgomez 1.16
221 :     /* Interpolation */
222 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_xmm;
223 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_xmm;
224 : h 1.3 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_xmm;
225 : edgomez 1.19
226 :     /* Buffer transfer */
227 :     transfer_8to16sub2 = transfer_8to16sub2_xmm;
228 : edgomez 1.16
229 :     /* Colorspace transformation */
230 : Isibaar 1.1 yuv_to_yv12 = yuv_to_yv12_xmm;
231 :    
232 : edgomez 1.16 /* ME functions */
233 : Isibaar 1.1 sad16 = sad16_xmm;
234 : edgomez 1.16 sad8 = sad8_xmm;
235 : Isibaar 1.1 dev16 = dev16_xmm;
236 :    
237 :     }
238 :    
239 : edgomez 1.15 if ((cpu_flags & XVID_CPU_3DNOW) > 0) {
240 : edgomez 1.16
241 :     /* Interpolation */
242 : Isibaar 1.1 interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_3dn;
243 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_3dn;
244 : h 1.4 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_3dn;
245 : Isibaar 1.1 }
246 :    
247 : edgomez 1.15 if ((cpu_flags & XVID_CPU_SSE2) > 0) {
248 : Isibaar 1.14 #ifdef EXPERIMENTAL_SSE2_CODE
249 : edgomez 1.16
250 :     /* Quantization */
251 :     quant_intra = quant_intra_sse2;
252 : Isibaar 1.14 dequant_intra = dequant_intra_sse2;
253 : edgomez 1.16 quant_inter = quant_inter_sse2;
254 : Isibaar 1.14 dequant_inter = dequant_inter_sse2;
255 : h 1.13
256 : edgomez 1.16 /* ME */
257 : Isibaar 1.14 calc_cbp = calc_cbp_sse2;
258 : edgomez 1.16 sad16 = sad16_sse2;
259 :     dev16 = dev16_sse2;
260 :    
261 :     /* Forward and Inverse DCT */
262 :     idct = idct_sse2;
263 : Isibaar 1.14 fdct = fdct_sse2;
264 :     #endif
265 : h 1.12 }
266 : edgomez 1.16
267 : Isibaar 1.1 #endif
268 : Isibaar 1.18
269 :     #ifdef ARCH_IA64
270 :     if ((cpu_flags & XVID_CPU_IA64) > 0) { //use assembler routines?
271 :     idct_ia64_init();
272 :     fdct = fdct_ia64;
273 :     idct = idct_ia64; //not yet working, crashes
274 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_ia64;
275 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_ia64;
276 :     interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_ia64;
277 :     sad16 = sad16_ia64;
278 :     sad16bi = sad16bi_ia64;
279 :     sad8 = sad8_ia64;
280 :     dev16 = dev16_ia64;
281 :     quant_intra = quant_intra_ia64;
282 :     dequant_intra = dequant_intra_ia64;
283 :     quant_inter = quant_inter_ia64;
284 :     dequant_inter = dequant_inter_ia64;
285 :     transfer_8to16copy = transfer_8to16copy_ia64;
286 :     transfer_16to8copy = transfer_16to8copy_ia64;
287 :     transfer_8to16sub = transfer_8to16sub_ia64;
288 :     transfer_8to16sub2 = transfer_8to16sub2_ia64;
289 :     transfer_16to8add = transfer_16to8add_ia64;
290 :     transfer8x8_copy = transfer8x8_copy_ia64;
291 :     DEBUG("Using IA-64 assembler routines.\n");
292 :     }
293 :     #endif
294 : edgomez 1.16
295 : canard 1.5 #ifdef ARCH_PPC
296 : canard 1.6 #ifdef ARCH_PPC_ALTIVEC
297 :     calc_cbp = calc_cbp_altivec;
298 : canard 1.7 fdct = fdct_altivec;
299 :     idct = idct_altivec;
300 : canard 1.10 sadInit = sadInit_altivec;
301 : canard 1.8 sad16 = sad16_altivec;
302 :     sad8 = sad8_altivec;
303 :     dev16 = dev16_altivec;
304 : canard 1.6 #else
305 : canard 1.5 calc_cbp = calc_cbp_ppc;
306 : canard 1.6 #endif
307 : canard 1.5 #endif
308 : edgomez 1.15
309 : edgomez 1.16 /* Inform the client the API version */
310 : Isibaar 1.1 init_param->api_version = API_VERSION;
311 :    
312 : edgomez 1.16 /* Inform the client the core build - unused because we're still alpha */
313 : Isibaar 1.1 init_param->core_build = 1000;
314 :    
315 :     return XVID_ERR_OK;
316 :     }
317 :    
318 : edgomez 1.16 /*****************************************************************************
319 :     * XviD Native decoder entry point
320 :     *
321 :     * This function is just a wrapper to all the option cases.
322 :     *
323 :     * Returned values : XVID_ERR_FAIL when opt is invalid
324 :     * else returns the wrapped function result
325 :     *
326 :     ****************************************************************************/
327 :    
328 : edgomez 1.15 int
329 :     xvid_decore(void *handle,
330 :     int opt,
331 :     void *param1,
332 :     void *param2)
333 : Isibaar 1.1 {
334 : edgomez 1.15 switch (opt) {
335 :     case XVID_DEC_DECODE:
336 :     return decoder_decode((DECODER *) handle, (XVID_DEC_FRAME *) param1);
337 :    
338 :     case XVID_DEC_CREATE:
339 :     return decoder_create((XVID_DEC_PARAM *) param1);
340 :    
341 :     case XVID_DEC_DESTROY:
342 :     return decoder_destroy((DECODER *) handle);
343 : Isibaar 1.1
344 :     default:
345 : edgomez 1.15 return XVID_ERR_FAIL;
346 :     }
347 : Isibaar 1.1 }
348 :    
349 : edgomez 1.16
350 :     /*****************************************************************************
351 :     * XviD Native encoder entry point
352 :     *
353 :     * This function is just a wrapper to all the option cases.
354 :     *
355 :     * Returned values : XVID_ERR_FAIL when opt is invalid
356 :     * else returns the wrapped function result
357 :     *
358 :     ****************************************************************************/
359 : Isibaar 1.1
360 : edgomez 1.15 int
361 :     xvid_encore(void *handle,
362 :     int opt,
363 :     void *param1,
364 :     void *param2)
365 : Isibaar 1.1 {
366 : edgomez 1.15 switch (opt) {
367 :     case XVID_ENC_ENCODE:
368 :     return encoder_encode((Encoder *) handle, (XVID_ENC_FRAME *) param1,
369 :     (XVID_ENC_STATS *) param2);
370 :    
371 :     case XVID_ENC_CREATE:
372 :     return encoder_create((XVID_ENC_PARAM *) param1);
373 :    
374 :     case XVID_ENC_DESTROY:
375 :     return encoder_destroy((Encoder *) handle);
376 : Isibaar 1.1
377 :     default:
378 : edgomez 1.15 return XVID_ERR_FAIL;
379 :     }
380 : Isibaar 1.1 }

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