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Revision 1.19 - (view) (download)
| 1 : | Isibaar | 1.1 | /************************************************************************** |
| 2 : | * | ||
| 3 : | edgomez | 1.13 | * XVID MPEG-4 VIDEO CODEC |
| 4 : | * - OpenDivx API wrapper - | ||
| 5 : | Isibaar | 1.1 | * |
| 6 : | suxen_drol | 1.19 | * Copyright(C) 2001-2002 Peter Ross <pross@xvid.org> |
| 7 : | edgomez | 1.18 | * |
| 8 : | edgomez | 1.13 | * This program is an implementation of a part of one or more MPEG-4 |
| 9 : | * Video tools as specified in ISO/IEC 14496-2 standard. Those intending | ||
| 10 : | * to use this software module in hardware or software products are | ||
| 11 : | * advised that its use may infringe existing patents or copyrights, and | ||
| 12 : | * any such use would be at such party's own risk. The original | ||
| 13 : | * developer of this software module and his/her company, and subsequent | ||
| 14 : | * editors and their companies, will have no liability for use of this | ||
| 15 : | * software or modifications or derivatives thereof. | ||
| 16 : | * | ||
| 17 : | * This program is free software; you can redistribute it and/or modify | ||
| 18 : | * it under the terms of the GNU General Public License as published by | ||
| 19 : | * the Free Software Foundation; either version 2 of the License, or | ||
| 20 : | * (at your option) any later version. | ||
| 21 : | * | ||
| 22 : | * This program is distributed in the hope that it will be useful, | ||
| 23 : | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 24 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 25 : | * GNU General Public License for more details. | ||
| 26 : | * | ||
| 27 : | * You should have received a copy of the GNU General Public License | ||
| 28 : | * along with this program; if not, write to the Free Software | ||
| 29 : | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| 30 : | edgomez | 1.10 | * |
| 31 : | Isibaar | 1.1 | *************************************************************************/ |
| 32 : | |||
| 33 : | knhor | 1.7 | #include <stdlib.h> |
| 34 : | edgomez | 1.9 | #include <string.h> |
| 35 : | edgomez | 1.11 | #include <stdio.h> |
| 36 : | Isibaar | 1.1 | |
| 37 : | #include "xvid.h" | ||
| 38 : | #include "divx4.h" | ||
| 39 : | #include "decoder.h" | ||
| 40 : | #include "encoder.h" | ||
| 41 : | |||
| 42 : | #define EMULATED_DIVX_VERSION 20011001 | ||
| 43 : | |||
| 44 : | edgomez | 1.9 | /************************************************************************** |
| 45 : | * Divx Instance Structure | ||
| 46 : | * | ||
| 47 : | * This chain list datatype allows XviD do instanciate multiples divx4 | ||
| 48 : | * sessions. | ||
| 49 : | * | ||
| 50 : | * ToDo : The way this chain list is used does not guarantee reentrance | ||
| 51 : | * because they are not protected by any kind of mutex to allow | ||
| 52 : | * only one modifier. We should add a mutex for each element in | ||
| 53 : | * the chainlist. | ||
| 54 : | *************************************************************************/ | ||
| 55 : | Isibaar | 1.1 | |
| 56 : | |||
| 57 : | typedef struct DINST | ||
| 58 : | { | ||
| 59 : | unsigned long key; | ||
| 60 : | edgomez | 1.14 | struct DINST *next; |
| 61 : | Isibaar | 1.1 | |
| 62 : | edgomez | 1.14 | void *handle; |
| 63 : | Isibaar | 1.1 | XVID_DEC_FRAME xframe; |
| 64 : | |||
| 65 : | edgomez | 1.14 | } |
| 66 : | DINST; | ||
| 67 : | Isibaar | 1.1 | |
| 68 : | edgomez | 1.11 | typedef struct EINST |
| 69 : | { | ||
| 70 : | edgomez | 1.14 | struct EINST *next; |
| 71 : | edgomez | 1.11 | |
| 72 : | edgomez | 1.14 | void *handle; |
| 73 : | edgomez | 1.11 | int quality; |
| 74 : | |||
| 75 : | edgomez | 1.14 | } |
| 76 : | EINST; | ||
| 77 : | edgomez | 1.11 | |
| 78 : | edgomez | 1.9 | /************************************************************************** |
| 79 : | * Global data (needed to emulate correctly exported symbols from divx4) | ||
| 80 : | *************************************************************************/ | ||
| 81 : | |||
| 82 : | /* This is not used in this module but is required by some divx4 encoders*/ | ||
| 83 : | int quiet_encore = 1; | ||
| 84 : | |||
| 85 : | /************************************************************************** | ||
| 86 : | * Local data | ||
| 87 : | *************************************************************************/ | ||
| 88 : | |||
| 89 : | /* The Divx4 instance chainlist */ | ||
| 90 : | edgomez | 1.14 | static DINST *dhead = NULL; |
| 91 : | static EINST *ehead = NULL; | ||
| 92 : | edgomez | 1.9 | |
| 93 : | /* Divx4 quality to XviD encoder motion flag presets */ | ||
| 94 : | static int const divx4_motion_presets[7] = { | ||
| 95 : | edgomez | 1.14 | 0, |
| 96 : | edgomez | 1.9 | |
| 97 : | edgomez | 1.14 | PMV_EARLYSTOP16, |
| 98 : | edgomez | 1.9 | |
| 99 : | chl | 1.12 | PMV_EARLYSTOP16 | PMV_ADVANCEDDIAMOND16, |
| 100 : | edgomez | 1.9 | |
| 101 : | PMV_EARLYSTOP16 | PMV_HALFPELREFINE16, | ||
| 102 : | |||
| 103 : | edgomez | 1.14 | PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | PMV_EARLYSTOP8 | |
| 104 : | PMV_HALFPELREFINE8, | ||
| 105 : | edgomez | 1.9 | |
| 106 : | edgomez | 1.14 | PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | PMV_EARLYSTOP8 | |
| 107 : | PMV_HALFPELREFINE8, | ||
| 108 : | edgomez | 1.9 | |
| 109 : | edgomez | 1.14 | PMV_EARLYSTOP16 | PMV_HALFPELREFINE16 | PMV_EXTSEARCH16 | PMV_EARLYSTOP8 | |
| 110 : | PMV_HALFPELREFINE8 | ||
| 111 : | edgomez | 1.9 | }; |
| 112 : | |||
| 113 : | |||
| 114 : | /* Divx4 quality to general encoder flag presets */ | ||
| 115 : | static int const divx4_general_presets[7] = { | ||
| 116 : | edgomez | 1.14 | 0, |
| 117 : | XVID_H263QUANT, | ||
| 118 : | edgomez | 1.9 | XVID_H263QUANT, |
| 119 : | XVID_H263QUANT | XVID_HALFPEL, | ||
| 120 : | XVID_H263QUANT | XVID_INTER4V | XVID_HALFPEL, | ||
| 121 : | edgomez | 1.14 | XVID_H263QUANT | XVID_INTER4V | XVID_HALFPEL, |
| 122 : | edgomez | 1.9 | XVID_H263QUANT | XVID_INTER4V | XVID_HALFPEL |
| 123 : | }; | ||
| 124 : | |||
| 125 : | /************************************************************************** | ||
| 126 : | * Local Prototypes | ||
| 127 : | *************************************************************************/ | ||
| 128 : | |||
| 129 : | /* Chain list helper functions */ | ||
| 130 : | edgomez | 1.14 | static DINST *dinst_find(unsigned long key); |
| 131 : | static DINST *dinst_add(unsigned long key); | ||
| 132 : | static void dinst_remove(unsigned long key); | ||
| 133 : | |||
| 134 : | static EINST *einst_find(void *handle); | ||
| 135 : | static EINST *einst_add(void *handle); | ||
| 136 : | static void einst_remove(void *handle); | ||
| 137 : | edgomez | 1.11 | |
| 138 : | edgomez | 1.9 | /* Converts divx4 colorspaces codes to xvid codes */ |
| 139 : | static int xvid_to_opendivx_dec_csp(int csp); | ||
| 140 : | static int xvid_to_opendivx_enc_csp(int csp); | ||
| 141 : | |||
| 142 : | /************************************************************************** | ||
| 143 : | * decore part | ||
| 144 : | * | ||
| 145 : | * decore is the divx4 entry point used to decompress the mpeg4 bitstream | ||
| 146 : | * into a user defined image format. | ||
| 147 : | *************************************************************************/ | ||
| 148 : | |||
| 149 : | int | ||
| 150 : | edgomez | 1.14 | decore(unsigned long key, |
| 151 : | unsigned long opt, | ||
| 152 : | void *param1, | ||
| 153 : | void *param2) | ||
| 154 : | edgomez | 1.9 | { |
| 155 : | |||
| 156 : | int xerr; | ||
| 157 : | |||
| 158 : | switch (opt) { | ||
| 159 : | |||
| 160 : | edgomez | 1.14 | case DEC_OPT_MEMORY_REQS: |
| 161 : | edgomez | 1.9 | { |
| 162 : | edgomez | 1.14 | memset(param2, 0, sizeof(DEC_MEM_REQS)); |
| 163 : | return DEC_OK; | ||
| 164 : | edgomez | 1.9 | } |
| 165 : | |||
| 166 : | edgomez | 1.14 | case DEC_OPT_INIT: |
| 167 : | { | ||
| 168 : | XVID_INIT_PARAM xinit; | ||
| 169 : | XVID_DEC_PARAM xparam; | ||
| 170 : | DINST *dcur; | ||
| 171 : | DEC_PARAM *dparam = (DEC_PARAM *) param1; | ||
| 172 : | edgomez | 1.9 | |
| 173 : | edgomez | 1.14 | /* Find the divx4 instance */ |
| 174 : | if ((dcur = dinst_find(key)) == NULL) { | ||
| 175 : | dcur = dinst_add(key); | ||
| 176 : | } | ||
| 177 : | edgomez | 1.9 | |
| 178 : | edgomez | 1.14 | /* |
| 179 : | * XviD initialization | ||
| 180 : | * XviD will detect the host cpu type and activate optimized | ||
| 181 : | * functions according to the host cpu features. | ||
| 182 : | */ | ||
| 183 : | xinit.cpu_flags = 0; | ||
| 184 : | xvid_init(NULL, 0, &xinit, NULL); | ||
| 185 : | edgomez | 1.9 | |
| 186 : | edgomez | 1.14 | /* XviD decoder initialization for this instance */ |
| 187 : | xparam.width = dparam->x_dim; | ||
| 188 : | xparam.height = dparam->y_dim; | ||
| 189 : | dcur->xframe.colorspace = | ||
| 190 : | xvid_to_opendivx_dec_csp(dparam->output_format); | ||
| 191 : | edgomez | 1.9 | |
| 192 : | edgomez | 1.14 | xerr = decoder_create(&xparam); |
| 193 : | edgomez | 1.9 | |
| 194 : | edgomez | 1.14 | /* Store the xvid handle into the divx4 instance chainlist */ |
| 195 : | dcur->handle = xparam.handle; | ||
| 196 : | edgomez | 1.9 | |
| 197 : | edgomez | 1.14 | break; |
| 198 : | } | ||
| 199 : | edgomez | 1.9 | |
| 200 : | edgomez | 1.14 | case DEC_OPT_RELEASE: |
| 201 : | edgomez | 1.9 | { |
| 202 : | edgomez | 1.14 | DINST *dcur; |
| 203 : | |||
| 204 : | /* Find the divx4 instance into the chain list */ | ||
| 205 : | if ((dcur = dinst_find(key)) == NULL) { | ||
| 206 : | return DEC_EXIT; | ||
| 207 : | } | ||
| 208 : | edgomez | 1.9 | |
| 209 : | edgomez | 1.14 | /* Destroy the XviD decoder attached to this divx4 instance */ |
| 210 : | xerr = decoder_destroy(dcur->handle); | ||
| 211 : | edgomez | 1.9 | |
| 212 : | edgomez | 1.14 | /* Remove the divx4 instance from the chainlist */ |
| 213 : | dinst_remove(key); | ||
| 214 : | edgomez | 1.9 | |
| 215 : | edgomez | 1.14 | break; |
| 216 : | edgomez | 1.9 | } |
| 217 : | |||
| 218 : | edgomez | 1.14 | case DEC_OPT_SETPP: |
| 219 : | edgomez | 1.9 | { |
| 220 : | edgomez | 1.14 | DINST *dcur; |
| 221 : | |||
| 222 : | /* Find the divx4 instance into the chain list */ | ||
| 223 : | if ((dcur = dinst_find(key)) == NULL) { | ||
| 224 : | return DEC_EXIT; | ||
| 225 : | } | ||
| 226 : | |||
| 227 : | edgomez | 1.9 | /* |
| 228 : | edgomez | 1.14 | * We return DEC_OK but XviD has no postprocessing implemented |
| 229 : | * in core. | ||
| 230 : | edgomez | 1.9 | */ |
| 231 : | edgomez | 1.14 | return DEC_OK; |
| 232 : | edgomez | 1.9 | } |
| 233 : | |||
| 234 : | edgomez | 1.14 | case DEC_OPT_SETOUT: |
| 235 : | edgomez | 1.9 | { |
| 236 : | edgomez | 1.14 | DINST *dcur; |
| 237 : | DEC_PARAM *dparam = (DEC_PARAM *) param1; | ||
| 238 : | |||
| 239 : | if ((dcur = dinst_find(key)) == NULL) { | ||
| 240 : | return DEC_EXIT; | ||
| 241 : | } | ||
| 242 : | |||
| 243 : | /* Change the output colorspace */ | ||
| 244 : | dcur->xframe.colorspace = | ||
| 245 : | xvid_to_opendivx_dec_csp(dparam->output_format); | ||
| 246 : | |||
| 247 : | return DEC_OK; | ||
| 248 : | edgomez | 1.9 | } |
| 249 : | |||
| 250 : | edgomez | 1.14 | case DEC_OPT_FRAME: |
| 251 : | { | ||
| 252 : | int csp_tmp = 0; | ||
| 253 : | DINST *dcur; | ||
| 254 : | DEC_FRAME *dframe = (DEC_FRAME *) param1; | ||
| 255 : | |||
| 256 : | if ((dcur = dinst_find(key)) == NULL) { | ||
| 257 : | return DEC_EXIT; | ||
| 258 : | } | ||
| 259 : | |||
| 260 : | /* Copy the divx4 fields to the XviD decoder structure */ | ||
| 261 : | dcur->xframe.bitstream = dframe->bitstream; | ||
| 262 : | dcur->xframe.length = dframe->length; | ||
| 263 : | dcur->xframe.image = dframe->bmp; | ||
| 264 : | dcur->xframe.stride = dframe->stride; | ||
| 265 : | |||
| 266 : | /* Does the frame need to be skipped ? */ | ||
| 267 : | if (!dframe->render_flag) { | ||
| 268 : | /* | ||
| 269 : | * Then we use the null colorspace to force XviD to | ||
| 270 : | * skip the frame. The original colorspace will be | ||
| 271 : | * restored after the decoder call | ||
| 272 : | */ | ||
| 273 : | csp_tmp = dcur->xframe.colorspace; | ||
| 274 : | dcur->xframe.colorspace = XVID_CSP_NULL; | ||
| 275 : | } | ||
| 276 : | |||
| 277 : | /* Decode the bitstream */ | ||
| 278 : | xerr = decoder_decode(dcur->handle, &dcur->xframe); | ||
| 279 : | |||
| 280 : | /* Restore the real colorspace for this instance */ | ||
| 281 : | if (!dframe->render_flag) { | ||
| 282 : | dcur->xframe.colorspace = csp_tmp; | ||
| 283 : | } | ||
| 284 : | |||
| 285 : | break; | ||
| 286 : | } | ||
| 287 : | edgomez | 1.9 | |
| 288 : | edgomez | 1.14 | case DEC_OPT_FRAME_311: |
| 289 : | edgomez | 1.9 | /* XviD does not handle Divx ;-) 3.11 yet */ |
| 290 : | return DEC_EXIT; | ||
| 291 : | |||
| 292 : | case DEC_OPT_VERSION: | ||
| 293 : | return EMULATED_DIVX_VERSION; | ||
| 294 : | |||
| 295 : | edgomez | 1.14 | default: |
| 296 : | edgomez | 1.9 | return DEC_EXIT; |
| 297 : | } | ||
| 298 : | |||
| 299 : | |||
| 300 : | /* XviD error code -> Divx4 */ | ||
| 301 : | edgomez | 1.14 | switch (xerr) { |
| 302 : | case XVID_ERR_OK: | ||
| 303 : | edgomez | 1.9 | return DEC_OK; |
| 304 : | edgomez | 1.14 | case XVID_ERR_MEMORY: |
| 305 : | edgomez | 1.9 | return DEC_MEMORY; |
| 306 : | edgomez | 1.14 | case XVID_ERR_FORMAT: |
| 307 : | edgomez | 1.9 | return DEC_BAD_FORMAT; |
| 308 : | edgomez | 1.14 | default: |
| 309 : | edgomez | 1.9 | return DEC_EXIT; |
| 310 : | } | ||
| 311 : | } | ||
| 312 : | |||
| 313 : | /************************************************************************** | ||
| 314 : | * Encore Part | ||
| 315 : | * | ||
| 316 : | * encore is the divx4 entry point used to compress a frame to a mpeg4 | ||
| 317 : | * bitstream. | ||
| 318 : | *************************************************************************/ | ||
| 319 : | |||
| 320 : | #define FRAMERATE_INCR 1001 | ||
| 321 : | |||
| 322 : | int | ||
| 323 : | edgomez | 1.14 | encore(void *handle, |
| 324 : | int opt, | ||
| 325 : | void *param1, | ||
| 326 : | void *param2) | ||
| 327 : | edgomez | 1.9 | { |
| 328 : | |||
| 329 : | int xerr; | ||
| 330 : | |||
| 331 : | edgomez | 1.14 | switch (opt) { |
| 332 : | case ENC_OPT_INIT: | ||
| 333 : | edgomez | 1.9 | { |
| 334 : | edgomez | 1.14 | EINST *ecur; |
| 335 : | ENC_PARAM *eparam = (ENC_PARAM *) param1; | ||
| 336 : | XVID_INIT_PARAM xinit; | ||
| 337 : | XVID_ENC_PARAM xparam; | ||
| 338 : | |||
| 339 : | /* Init XviD which will detect host cpu features */ | ||
| 340 : | xinit.cpu_flags = 0; | ||
| 341 : | xvid_init(NULL, 0, &xinit, NULL); | ||
| 342 : | |||
| 343 : | /* Settings are copied to the XviD encoder structure */ | ||
| 344 : | xparam.width = eparam->x_dim; | ||
| 345 : | xparam.height = eparam->y_dim; | ||
| 346 : | if ((eparam->framerate - (int) eparam->framerate) == 0) { | ||
| 347 : | xparam.fincr = 1; | ||
| 348 : | xparam.fbase = (int) eparam->framerate; | ||
| 349 : | } else { | ||
| 350 : | xparam.fincr = FRAMERATE_INCR; | ||
| 351 : | xparam.fbase = (int) (FRAMERATE_INCR * eparam->framerate); | ||
| 352 : | } | ||
| 353 : | xparam.rc_bitrate = eparam->bitrate; | ||
| 354 : | xparam.rc_reaction_delay_factor = 16; | ||
| 355 : | xparam.rc_averaging_period = 100; | ||
| 356 : | xparam.rc_buffer = 100; | ||
| 357 : | xparam.min_quantizer = eparam->min_quantizer; | ||
| 358 : | xparam.max_quantizer = eparam->max_quantizer; | ||
| 359 : | xparam.max_key_interval = eparam->max_key_interval; | ||
| 360 : | |||
| 361 : | /* Create the encoder session */ | ||
| 362 : | xerr = encoder_create(&xparam); | ||
| 363 : | |||
| 364 : | eparam->handle = xparam.handle; | ||
| 365 : | |||
| 366 : | /* Create an encoder instance in the chainlist */ | ||
| 367 : | if ((ecur = einst_find(xparam.handle)) == NULL) { | ||
| 368 : | ecur = einst_add(xparam.handle); | ||
| 369 : | |||
| 370 : | if (ecur == NULL) { | ||
| 371 : | encoder_destroy((Encoder *) xparam.handle); | ||
| 372 : | return ENC_MEMORY; | ||
| 373 : | } | ||
| 374 : | |||
| 375 : | } | ||
| 376 : | edgomez | 1.9 | |
| 377 : | edgomez | 1.14 | ecur->quality = eparam->quality; |
| 378 : | if (ecur->quality < 0) | ||
| 379 : | ecur->quality = 0; | ||
| 380 : | if (ecur->quality > 6) | ||
| 381 : | ecur->quality = 6; | ||
| 382 : | edgomez | 1.9 | |
| 383 : | edgomez | 1.14 | break; |
| 384 : | } | ||
| 385 : | edgomez | 1.9 | |
| 386 : | edgomez | 1.14 | case ENC_OPT_RELEASE: |
| 387 : | edgomez | 1.11 | { |
| 388 : | edgomez | 1.14 | EINST *ecur; |
| 389 : | edgomez | 1.11 | |
| 390 : | edgomez | 1.14 | if ((ecur = einst_find(handle)) == NULL) { |
| 391 : | return ENC_FAIL; | ||
| 392 : | edgomez | 1.11 | } |
| 393 : | |||
| 394 : | edgomez | 1.14 | einst_remove(handle); |
| 395 : | xerr = encoder_destroy((Encoder *) handle); | ||
| 396 : | |||
| 397 : | break; | ||
| 398 : | edgomez | 1.11 | } |
| 399 : | |||
| 400 : | edgomez | 1.14 | case ENC_OPT_ENCODE: |
| 401 : | case ENC_OPT_ENCODE_VBR: | ||
| 402 : | edgomez | 1.11 | { |
| 403 : | edgomez | 1.14 | EINST *ecur; |
| 404 : | edgomez | 1.11 | |
| 405 : | edgomez | 1.14 | ENC_FRAME *eframe = (ENC_FRAME *) param1; |
| 406 : | ENC_RESULT *eresult = (ENC_RESULT *) param2; | ||
| 407 : | XVID_ENC_FRAME xframe; | ||
| 408 : | XVID_ENC_STATS xstats; | ||
| 409 : | edgomez | 1.9 | |
| 410 : | edgomez | 1.14 | if ((ecur = einst_find(handle)) == NULL) { |
| 411 : | return ENC_FAIL; | ||
| 412 : | } | ||
| 413 : | edgomez | 1.11 | |
| 414 : | edgomez | 1.14 | /* Copy the divx4 info into the xvid structure */ |
| 415 : | xframe.bitstream = eframe->bitstream; | ||
| 416 : | xframe.length = eframe->length; | ||
| 417 : | xframe.motion = divx4_motion_presets[ecur->quality]; | ||
| 418 : | xframe.general = divx4_general_presets[ecur->quality]; | ||
| 419 : | |||
| 420 : | xframe.image = eframe->image; | ||
| 421 : | xframe.colorspace = xvid_to_opendivx_enc_csp(eframe->colorspace); | ||
| 422 : | |||
| 423 : | if (opt == ENC_OPT_ENCODE_VBR) { | ||
| 424 : | xframe.intra = eframe->intra; | ||
| 425 : | xframe.quant = eframe->quant; | ||
| 426 : | } else { | ||
| 427 : | xframe.intra = -1; | ||
| 428 : | xframe.quant = 0; | ||
| 429 : | } | ||
| 430 : | edgomez | 1.9 | |
| 431 : | edgomez | 1.14 | /* Encode the frame */ |
| 432 : | xerr = | ||
| 433 : | encoder_encode((Encoder *) handle, &xframe, | ||
| 434 : | (eresult ? &xstats : NULL)); | ||
| 435 : | |||
| 436 : | /* Copy back the xvid structure to the divx4 one */ | ||
| 437 : | if (eresult) { | ||
| 438 : | eresult->is_key_frame = xframe.intra; | ||
| 439 : | eresult->quantizer = xstats.quant; | ||
| 440 : | eresult->total_bits = xframe.length * 8; | ||
| 441 : | eresult->motion_bits = xstats.hlength * 8; | ||
| 442 : | eresult->texture_bits = | ||
| 443 : | eresult->total_bits - eresult->motion_bits; | ||
| 444 : | } | ||
| 445 : | edgomez | 1.9 | |
| 446 : | edgomez | 1.14 | eframe->length = xframe.length; |
| 447 : | edgomez | 1.9 | |
| 448 : | edgomez | 1.14 | break; |
| 449 : | edgomez | 1.9 | } |
| 450 : | |||
| 451 : | default: | ||
| 452 : | return ENC_FAIL; | ||
| 453 : | } | ||
| 454 : | |||
| 455 : | /* XviD Error code -> Divx4 error code */ | ||
| 456 : | edgomez | 1.14 | switch (xerr) { |
| 457 : | case XVID_ERR_OK: | ||
| 458 : | edgomez | 1.9 | return ENC_OK; |
| 459 : | edgomez | 1.14 | case XVID_ERR_MEMORY: |
| 460 : | edgomez | 1.9 | return ENC_MEMORY; |
| 461 : | edgomez | 1.14 | case XVID_ERR_FORMAT: |
| 462 : | edgomez | 1.9 | return ENC_BAD_FORMAT; |
| 463 : | edgomez | 1.14 | default: |
| 464 : | edgomez | 1.9 | return ENC_FAIL; |
| 465 : | } | ||
| 466 : | } | ||
| 467 : | |||
| 468 : | /************************************************************************** | ||
| 469 : | * Local Functions | ||
| 470 : | *************************************************************************/ | ||
| 471 : | Isibaar | 1.1 | |
| 472 : | edgomez | 1.9 | /*************************************** |
| 473 : | * DINST chainlist helper functions * | ||
| 474 : | ***************************************/ | ||
| 475 : | Isibaar | 1.1 | |
| 476 : | edgomez | 1.9 | /* Find an element in the chainlist according to its key value */ |
| 477 : | edgomez | 1.14 | static DINST * |
| 478 : | dinst_find(unsigned long key) | ||
| 479 : | Isibaar | 1.1 | { |
| 480 : | edgomez | 1.14 | DINST *dcur = dhead; |
| 481 : | Isibaar | 1.1 | |
| 482 : | edgomez | 1.14 | while (dcur) { |
| 483 : | if (dcur->key == key) { | ||
| 484 : | Isibaar | 1.1 | return dcur; |
| 485 : | } | ||
| 486 : | dcur = dcur->next; | ||
| 487 : | } | ||
| 488 : | |||
| 489 : | return NULL; | ||
| 490 : | } | ||
| 491 : | |||
| 492 : | |||
| 493 : | edgomez | 1.9 | /* Add an element to the chainlist */ |
| 494 : | edgomez | 1.14 | static DINST * |
| 495 : | dinst_add(unsigned long key) | ||
| 496 : | Isibaar | 1.1 | { |
| 497 : | edgomez | 1.14 | DINST *dnext = dhead; |
| 498 : | Isibaar | 1.1 | |
| 499 : | dhead = malloc(sizeof(DINST)); | ||
| 500 : | edgomez | 1.14 | if (dhead == NULL) { |
| 501 : | Isibaar | 1.1 | dhead = dnext; |
| 502 : | return NULL; | ||
| 503 : | } | ||
| 504 : | |||
| 505 : | dhead->key = key; | ||
| 506 : | dhead->next = dnext; | ||
| 507 : | |||
| 508 : | return dhead; | ||
| 509 : | } | ||
| 510 : | |||
| 511 : | |||
| 512 : | edgomez | 1.9 | /* Remove an elmement from the chainlist */ |
| 513 : | edgomez | 1.14 | static void |
| 514 : | dinst_remove(unsigned long key) | ||
| 515 : | Isibaar | 1.1 | { |
| 516 : | edgomez | 1.14 | DINST *dcur = dhead; |
| 517 : | Isibaar | 1.1 | |
| 518 : | edgomez | 1.14 | if (dhead == NULL) { |
| 519 : | Isibaar | 1.1 | return; |
| 520 : | } | ||
| 521 : | |||
| 522 : | edgomez | 1.14 | if (dcur->key == key) { |
| 523 : | Isibaar | 1.1 | dhead = dcur->next; |
| 524 : | free(dcur); | ||
| 525 : | return; | ||
| 526 : | } | ||
| 527 : | |||
| 528 : | edgomez | 1.14 | while (dcur->next) { |
| 529 : | if (dcur->next->key == key) { | ||
| 530 : | DINST *tmp = dcur->next; | ||
| 531 : | |||
| 532 : | Isibaar | 1.1 | dcur->next = tmp->next; |
| 533 : | free(tmp); | ||
| 534 : | return; | ||
| 535 : | } | ||
| 536 : | dcur = dcur->next; | ||
| 537 : | } | ||
| 538 : | } | ||
| 539 : | |||
| 540 : | edgomez | 1.11 | |
| 541 : | /*************************************** | ||
| 542 : | * EINST chainlist helper functions * | ||
| 543 : | ***************************************/ | ||
| 544 : | |||
| 545 : | /* Find an element in the chainlist according to its handle */ | ||
| 546 : | edgomez | 1.14 | static EINST * |
| 547 : | einst_find(void *handle) | ||
| 548 : | edgomez | 1.11 | { |
| 549 : | edgomez | 1.14 | EINST *ecur = ehead; |
| 550 : | edgomez | 1.11 | |
| 551 : | edgomez | 1.14 | while (ecur) { |
| 552 : | if (ecur->handle == handle) { | ||
| 553 : | edgomez | 1.11 | return ecur; |
| 554 : | } | ||
| 555 : | ecur = ecur->next; | ||
| 556 : | } | ||
| 557 : | |||
| 558 : | return NULL; | ||
| 559 : | } | ||
| 560 : | |||
| 561 : | |||
| 562 : | /* Add an element to the chainlist */ | ||
| 563 : | edgomez | 1.14 | static EINST * |
| 564 : | einst_add(void *handle) | ||
| 565 : | edgomez | 1.11 | { |
| 566 : | edgomez | 1.14 | EINST *enext = ehead; |
| 567 : | edgomez | 1.11 | |
| 568 : | ehead = malloc(sizeof(EINST)); | ||
| 569 : | edgomez | 1.14 | if (ehead == NULL) { |
| 570 : | edgomez | 1.11 | ehead = enext; |
| 571 : | return NULL; | ||
| 572 : | } | ||
| 573 : | |||
| 574 : | ehead->handle = handle; | ||
| 575 : | ehead->next = enext; | ||
| 576 : | |||
| 577 : | return ehead; | ||
| 578 : | } | ||
| 579 : | |||
| 580 : | |||
| 581 : | /* Remove an elmement from the chainlist */ | ||
| 582 : | edgomez | 1.14 | static void |
| 583 : | einst_remove(void *handle) | ||
| 584 : | edgomez | 1.11 | { |
| 585 : | edgomez | 1.14 | EINST *ecur = ehead; |
| 586 : | edgomez | 1.11 | |
| 587 : | edgomez | 1.14 | if (ehead == NULL) { |
| 588 : | edgomez | 1.11 | return; |
| 589 : | } | ||
| 590 : | |||
| 591 : | edgomez | 1.14 | if (ecur->handle == handle) { |
| 592 : | edgomez | 1.11 | ehead = ecur->next; |
| 593 : | free(ecur); | ||
| 594 : | return; | ||
| 595 : | } | ||
| 596 : | |||
| 597 : | edgomez | 1.14 | while (ecur->next) { |
| 598 : | if (ecur->next->handle == handle) { | ||
| 599 : | EINST *tmp = ecur->next; | ||
| 600 : | |||
| 601 : | edgomez | 1.11 | ecur->next = tmp->next; |
| 602 : | free(tmp); | ||
| 603 : | return; | ||
| 604 : | } | ||
| 605 : | ecur = ecur->next; | ||
| 606 : | } | ||
| 607 : | } | ||
| 608 : | edgomez | 1.14 | |
| 609 : | edgomez | 1.9 | /*************************************** |
| 610 : | * Colorspace code converter * | ||
| 611 : | ***************************************/ | ||
| 612 : | Isibaar | 1.1 | |
| 613 : | edgomez | 1.14 | static int |
| 614 : | xvid_to_opendivx_dec_csp(int csp) | ||
| 615 : | Isibaar | 1.1 | { |
| 616 : | edgomez | 1.9 | |
| 617 : | edgomez | 1.14 | switch (csp) { |
| 618 : | case DEC_YV12: | ||
| 619 : | Isibaar | 1.1 | return XVID_CSP_YV12; |
| 620 : | edgomez | 1.14 | case DEC_420: |
| 621 : | Isibaar | 1.1 | return XVID_CSP_I420; |
| 622 : | edgomez | 1.14 | case DEC_YUY2: |
| 623 : | Isibaar | 1.1 | return XVID_CSP_YUY2; |
| 624 : | edgomez | 1.14 | case DEC_UYVY: |
| 625 : | Isibaar | 1.1 | return XVID_CSP_UYVY; |
| 626 : | edgomez | 1.14 | case DEC_RGB32: |
| 627 : | Isibaar | 1.1 | return XVID_CSP_VFLIP | XVID_CSP_RGB32; |
| 628 : | edgomez | 1.14 | case DEC_RGB24: |
| 629 : | Isibaar | 1.1 | return XVID_CSP_VFLIP | XVID_CSP_RGB24; |
| 630 : | edgomez | 1.14 | case DEC_RGB565: |
| 631 : | Isibaar | 1.1 | return XVID_CSP_VFLIP | XVID_CSP_RGB565; |
| 632 : | edgomez | 1.14 | case DEC_RGB555: |
| 633 : | Isibaar | 1.1 | return XVID_CSP_VFLIP | XVID_CSP_RGB555; |
| 634 : | edgomez | 1.14 | case DEC_RGB32_INV: |
| 635 : | Isibaar | 1.1 | return XVID_CSP_RGB32; |
| 636 : | edgomez | 1.14 | case DEC_RGB24_INV: |
| 637 : | Isibaar | 1.1 | return XVID_CSP_RGB24; |
| 638 : | edgomez | 1.14 | case DEC_RGB565_INV: |
| 639 : | Isibaar | 1.1 | return XVID_CSP_RGB565; |
| 640 : | edgomez | 1.14 | case DEC_RGB555_INV: |
| 641 : | Isibaar | 1.1 | return XVID_CSP_RGB555; |
| 642 : | edgomez | 1.14 | case DEC_USER: |
| 643 : | return XVID_CSP_USER; | ||
| 644 : | default: | ||
| 645 : | Isibaar | 1.1 | return -1; |
| 646 : | } | ||
| 647 : | } | ||
| 648 : | |||
| 649 : | edgomez | 1.14 | static int |
| 650 : | xvid_to_opendivx_enc_csp(int csp) | ||
| 651 : | Isibaar | 1.1 | { |
| 652 : | |||
| 653 : | edgomez | 1.14 | switch (csp) { |
| 654 : | case ENC_CSP_RGB24: | ||
| 655 : | edgomez | 1.9 | return XVID_CSP_VFLIP | XVID_CSP_RGB24; |
| 656 : | edgomez | 1.14 | case ENC_CSP_YV12: |
| 657 : | edgomez | 1.9 | return XVID_CSP_YV12; |
| 658 : | edgomez | 1.14 | case ENC_CSP_YUY2: |
| 659 : | edgomez | 1.9 | return XVID_CSP_YUY2; |
| 660 : | edgomez | 1.14 | case ENC_CSP_UYVY: |
| 661 : | edgomez | 1.9 | return XVID_CSP_UYVY; |
| 662 : | edgomez | 1.14 | case ENC_CSP_I420: |
| 663 : | edgomez | 1.9 | return XVID_CSP_I420; |
| 664 : | edgomez | 1.14 | default: |
| 665 : | edgomez | 1.9 | return -1; |
| 666 : | Isibaar | 1.1 | } |
| 667 : | } |
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