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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 : ia64p 1.23 * $Id: xvid.c,v 1.22 2002/06/23 19:48:06 edgomez 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 :     if ((init_param->cpu_flags & XVID_CPU_CHKONLY))
91 :     {
92 :     init_param->cpu_flags = check_cpu_features();
93 :     return XVID_ERR_OK;
94 :     }
95 :    
96 : edgomez 1.16 /* Do we have to force CPU features ? */
97 :     if ((init_param->cpu_flags & XVID_CPU_FORCE) > 0) {
98 : Isibaar 1.1 cpu_flags = init_param->cpu_flags;
99 : edgomez 1.16 } else {
100 : Isibaar 1.1
101 :     cpu_flags = check_cpu_features();
102 :     init_param->cpu_flags = cpu_flags;
103 :     }
104 :    
105 : edgomez 1.16 /* Initialize the function pointers */
106 : Isibaar 1.1 idct_int32_init();
107 : Isibaar 1.9 init_vlc_tables();
108 :    
109 : edgomez 1.16 /* Fixed Point Forward/Inverse DCT transformations */
110 : Isibaar 1.1 fdct = fdct_int32;
111 :     idct = idct_int32;
112 :    
113 : edgomez 1.16 /* Only needed on PPC Altivec archs */
114 : canard 1.10 sadInit = 0;
115 : edgomez 1.15
116 : edgomez 1.16 /* Restore FPU context : emms_c is a nop functions */
117 : Isibaar 1.1 emms = emms_c;
118 :    
119 : edgomez 1.16 /* Quantization functions */
120 :     quant_intra = quant_intra_c;
121 : Isibaar 1.1 dequant_intra = dequant_intra_c;
122 : edgomez 1.16 quant_inter = quant_inter_c;
123 : Isibaar 1.1 dequant_inter = dequant_inter_c;
124 :    
125 : edgomez 1.16 quant4_intra = quant4_intra_c;
126 : Isibaar 1.1 dequant4_intra = dequant4_intra_c;
127 : edgomez 1.16 quant4_inter = quant4_inter_c;
128 : Isibaar 1.1 dequant4_inter = dequant4_inter_c;
129 :    
130 : edgomez 1.16 /* Block transfer related functions */
131 : Isibaar 1.1 transfer_8to16copy = transfer_8to16copy_c;
132 :     transfer_16to8copy = transfer_16to8copy_c;
133 : edgomez 1.16 transfer_8to16sub = transfer_8to16sub_c;
134 : suxen_drol 1.11 transfer_8to16sub2 = transfer_8to16sub2_c;
135 : edgomez 1.16 transfer_16to8add = transfer_16to8add_c;
136 :     transfer8x8_copy = transfer8x8_copy_c;
137 : Isibaar 1.1
138 : edgomez 1.16 /* Image interpolation related functions */
139 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_c;
140 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_c;
141 : Isibaar 1.1 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_c;
142 :    
143 : edgomez 1.16 /* Initialize internal colorspace transformation tables */
144 : Isibaar 1.1 colorspace_init();
145 :    
146 : edgomez 1.16 /* All colorspace transformation functions User Format->YV12 */
147 : Isibaar 1.1 rgb555_to_yv12 = rgb555_to_yv12_c;
148 :     rgb565_to_yv12 = rgb565_to_yv12_c;
149 : edgomez 1.16 rgb24_to_yv12 = rgb24_to_yv12_c;
150 :     rgb32_to_yv12 = rgb32_to_yv12_c;
151 :     yuv_to_yv12 = yuv_to_yv12_c;
152 :     yuyv_to_yv12 = yuyv_to_yv12_c;
153 :     uyvy_to_yv12 = uyvy_to_yv12_c;
154 : Isibaar 1.1
155 : edgomez 1.16 /* All colorspace transformation functions YV12->User format */
156 : Isibaar 1.1 yv12_to_rgb555 = yv12_to_rgb555_c;
157 :     yv12_to_rgb565 = yv12_to_rgb565_c;
158 : edgomez 1.16 yv12_to_rgb24 = yv12_to_rgb24_c;
159 :     yv12_to_rgb32 = yv12_to_rgb32_c;
160 :     yv12_to_yuv = yv12_to_yuv_c;
161 :     yv12_to_yuyv = yv12_to_yuyv_c;
162 :     yv12_to_uyvy = yv12_to_uyvy_c;
163 : Isibaar 1.1
164 : edgomez 1.16 /* Functions used in motion estimation algorithms */
165 : Isibaar 1.1 calc_cbp = calc_cbp_c;
166 : edgomez 1.16 sad16 = sad16_c;
167 :     sad16bi = sad16bi_c;
168 :     sad8 = sad8_c;
169 :     dev16 = dev16_c;
170 : Isibaar 1.1
171 :     #ifdef ARCH_X86
172 : edgomez 1.15 if ((cpu_flags & XVID_CPU_MMX) > 0) {
173 : edgomez 1.16
174 :     /* Forward and Inverse Discrete Cosine Transformation functions */
175 : Isibaar 1.1 fdct = fdct_mmx;
176 :     idct = idct_mmx;
177 :    
178 : edgomez 1.16 /* To restore FPU context after mmx use */
179 : Isibaar 1.1 emms = emms_mmx;
180 :    
181 : edgomez 1.16 /* Quantization related functions */
182 :     quant_intra = quant_intra_mmx;
183 : Isibaar 1.1 dequant_intra = dequant_intra_mmx;
184 : edgomez 1.16 quant_inter = quant_inter_mmx;
185 : Isibaar 1.1 dequant_inter = dequant_inter_mmx;
186 :    
187 : edgomez 1.16 quant4_intra = quant4_intra_mmx;
188 : Isibaar 1.1 dequant4_intra = dequant4_intra_mmx;
189 : edgomez 1.16 quant4_inter = quant4_inter_mmx;
190 : Isibaar 1.1 dequant4_inter = dequant4_inter_mmx;
191 :    
192 : edgomez 1.16 /* Block related functions */
193 : Isibaar 1.1 transfer_8to16copy = transfer_8to16copy_mmx;
194 :     transfer_16to8copy = transfer_16to8copy_mmx;
195 : edgomez 1.16 transfer_8to16sub = transfer_8to16sub_mmx;
196 : edgomez 1.22 transfer_8to16sub2 = transfer_8to16sub2_mmx;
197 : edgomez 1.16 transfer_16to8add = transfer_16to8add_mmx;
198 :     transfer8x8_copy = transfer8x8_copy_mmx;
199 : edgomez 1.22
200 : edgomez 1.16
201 :     /* Image Interpolation related functions */
202 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_mmx;
203 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_mmx;
204 : Isibaar 1.1 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_mmx;
205 :    
206 : edgomez 1.16 /* Image RGB->YV12 related functions */
207 : Isibaar 1.1 rgb24_to_yv12 = rgb24_to_yv12_mmx;
208 :     rgb32_to_yv12 = rgb32_to_yv12_mmx;
209 : edgomez 1.16 yuv_to_yv12 = yuv_to_yv12_mmx;
210 :     yuyv_to_yv12 = yuyv_to_yv12_mmx;
211 :     uyvy_to_yv12 = uyvy_to_yv12_mmx;
212 : Isibaar 1.1
213 : edgomez 1.16 /* Image YV12->RGB related functions */
214 : Isibaar 1.1 yv12_to_rgb24 = yv12_to_rgb24_mmx;
215 :     yv12_to_rgb32 = yv12_to_rgb32_mmx;
216 : edgomez 1.16 yv12_to_yuyv = yv12_to_yuyv_mmx;
217 :     yv12_to_uyvy = yv12_to_uyvy_mmx;
218 : Isibaar 1.1
219 : edgomez 1.16 /* Motion estimation related functions */
220 : Isibaar 1.1 calc_cbp = calc_cbp_mmx;
221 : edgomez 1.16 sad16 = sad16_mmx;
222 :     sad8 = sad8_mmx;
223 :     dev16 = dev16_mmx;
224 : Isibaar 1.1
225 :     }
226 :    
227 : edgomez 1.15 if ((cpu_flags & XVID_CPU_MMXEXT) > 0) {
228 : edgomez 1.16
229 :     /* Inverse DCT */
230 : Isibaar 1.1 idct = idct_xmm;
231 : edgomez 1.16
232 :     /* Interpolation */
233 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_xmm;
234 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_xmm;
235 : h 1.3 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_xmm;
236 : edgomez 1.19
237 :     /* Buffer transfer */
238 :     transfer_8to16sub2 = transfer_8to16sub2_xmm;
239 : edgomez 1.16
240 :     /* Colorspace transformation */
241 : Isibaar 1.1 yuv_to_yv12 = yuv_to_yv12_xmm;
242 :    
243 : edgomez 1.16 /* ME functions */
244 : Isibaar 1.1 sad16 = sad16_xmm;
245 : edgomez 1.16 sad8 = sad8_xmm;
246 : Isibaar 1.1 dev16 = dev16_xmm;
247 :    
248 :     }
249 :    
250 : edgomez 1.15 if ((cpu_flags & XVID_CPU_3DNOW) > 0) {
251 : edgomez 1.16
252 :     /* Interpolation */
253 : Isibaar 1.1 interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_3dn;
254 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_3dn;
255 : h 1.4 interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_3dn;
256 : Isibaar 1.1 }
257 :    
258 : edgomez 1.15 if ((cpu_flags & XVID_CPU_SSE2) > 0) {
259 : Isibaar 1.14 #ifdef EXPERIMENTAL_SSE2_CODE
260 : edgomez 1.16
261 :     /* Quantization */
262 :     quant_intra = quant_intra_sse2;
263 : Isibaar 1.14 dequant_intra = dequant_intra_sse2;
264 : edgomez 1.16 quant_inter = quant_inter_sse2;
265 : Isibaar 1.14 dequant_inter = dequant_inter_sse2;
266 : h 1.13
267 : edgomez 1.16 /* ME */
268 : Isibaar 1.14 calc_cbp = calc_cbp_sse2;
269 : edgomez 1.16 sad16 = sad16_sse2;
270 :     dev16 = dev16_sse2;
271 :    
272 :     /* Forward and Inverse DCT */
273 :     idct = idct_sse2;
274 : Isibaar 1.14 fdct = fdct_sse2;
275 :     #endif
276 : h 1.12 }
277 : edgomez 1.16
278 : Isibaar 1.1 #endif
279 : Isibaar 1.18
280 :     #ifdef ARCH_IA64
281 :     if ((cpu_flags & XVID_CPU_IA64) > 0) { //use assembler routines?
282 :     idct_ia64_init();
283 :     fdct = fdct_ia64;
284 :     idct = idct_ia64; //not yet working, crashes
285 :     interpolate8x8_halfpel_h = interpolate8x8_halfpel_h_ia64;
286 :     interpolate8x8_halfpel_v = interpolate8x8_halfpel_v_ia64;
287 :     interpolate8x8_halfpel_hv = interpolate8x8_halfpel_hv_ia64;
288 :     sad16 = sad16_ia64;
289 :     sad16bi = sad16bi_ia64;
290 :     sad8 = sad8_ia64;
291 :     dev16 = dev16_ia64;
292 :     quant_intra = quant_intra_ia64;
293 :     dequant_intra = dequant_intra_ia64;
294 :     quant_inter = quant_inter_ia64;
295 :     dequant_inter = dequant_inter_ia64;
296 :     transfer_8to16copy = transfer_8to16copy_ia64;
297 :     transfer_16to8copy = transfer_16to8copy_ia64;
298 :     transfer_8to16sub = transfer_8to16sub_ia64;
299 :     transfer_8to16sub2 = transfer_8to16sub2_ia64;
300 :     transfer_16to8add = transfer_16to8add_ia64;
301 :     transfer8x8_copy = transfer8x8_copy_ia64;
302 :     DEBUG("Using IA-64 assembler routines.\n");
303 :     }
304 :     #endif
305 : edgomez 1.16
306 : canard 1.5 #ifdef ARCH_PPC
307 : canard 1.6 #ifdef ARCH_PPC_ALTIVEC
308 :     calc_cbp = calc_cbp_altivec;
309 : canard 1.7 fdct = fdct_altivec;
310 :     idct = idct_altivec;
311 : canard 1.10 sadInit = sadInit_altivec;
312 : canard 1.8 sad16 = sad16_altivec;
313 :     sad8 = sad8_altivec;
314 :     dev16 = dev16_altivec;
315 : canard 1.6 #else
316 : canard 1.5 calc_cbp = calc_cbp_ppc;
317 : canard 1.6 #endif
318 : canard 1.5 #endif
319 : Isibaar 1.1
320 :     return XVID_ERR_OK;
321 :     }
322 :    
323 : edgomez 1.16 /*****************************************************************************
324 :     * XviD Native decoder entry point
325 :     *
326 :     * This function is just a wrapper to all the option cases.
327 :     *
328 :     * Returned values : XVID_ERR_FAIL when opt is invalid
329 :     * else returns the wrapped function result
330 :     *
331 :     ****************************************************************************/
332 :    
333 : edgomez 1.15 int
334 :     xvid_decore(void *handle,
335 :     int opt,
336 :     void *param1,
337 :     void *param2)
338 : Isibaar 1.1 {
339 : edgomez 1.15 switch (opt) {
340 :     case XVID_DEC_DECODE:
341 :     return decoder_decode((DECODER *) handle, (XVID_DEC_FRAME *) param1);
342 :    
343 :     case XVID_DEC_CREATE:
344 :     return decoder_create((XVID_DEC_PARAM *) param1);
345 :    
346 :     case XVID_DEC_DESTROY:
347 :     return decoder_destroy((DECODER *) handle);
348 : Isibaar 1.1
349 :     default:
350 : edgomez 1.15 return XVID_ERR_FAIL;
351 :     }
352 : Isibaar 1.1 }
353 :    
354 : edgomez 1.16
355 :     /*****************************************************************************
356 :     * XviD Native encoder entry point
357 :     *
358 :     * This function is just a wrapper to all the option cases.
359 :     *
360 :     * Returned values : XVID_ERR_FAIL when opt is invalid
361 :     * else returns the wrapped function result
362 :     *
363 :     ****************************************************************************/
364 : Isibaar 1.1
365 : edgomez 1.15 int
366 :     xvid_encore(void *handle,
367 :     int opt,
368 :     void *param1,
369 :     void *param2)
370 : Isibaar 1.1 {
371 : edgomez 1.15 switch (opt) {
372 :     case XVID_ENC_ENCODE:
373 : suxen_drol 1.20 #ifdef BFRAMES
374 :     if (((Encoder *) handle)->mbParam.max_bframes >= 0)
375 :     return encoder_encode_bframes((Encoder *) handle, (XVID_ENC_FRAME *) param1,
376 :     (XVID_ENC_STATS *) param2);
377 :     else
378 :     #endif
379 : edgomez 1.15 return encoder_encode((Encoder *) handle, (XVID_ENC_FRAME *) param1,
380 :     (XVID_ENC_STATS *) param2);
381 :    
382 :     case XVID_ENC_CREATE:
383 :     return encoder_create((XVID_ENC_PARAM *) param1);
384 :    
385 :     case XVID_ENC_DESTROY:
386 :     return encoder_destroy((Encoder *) handle);
387 : Isibaar 1.1
388 :     default:
389 : edgomez 1.15 return XVID_ERR_FAIL;
390 :     }
391 : Isibaar 1.1 }

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