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| 1 : | suxen_drol | 942 | /****************************************************************************** |
| 2 : | * | ||
| 3 : | * XviD Bit Rate Controller Library | ||
| 4 : | * - VBR 2 pass bitrate controler implementation - | ||
| 5 : | * | ||
| 6 : | edgomez | 1037 | * Copyright (C) 2002 Foxer <email?> |
| 7 : | * 2002 Dirk Knop <dknop@gwdg.de> | ||
| 8 : | * 2002-2003 Edouard Gomez <ed.gomez@free.fr> | ||
| 9 : | * 2003 Pete Ross <pross@xvid.org> | ||
| 10 : | suxen_drol | 942 | * |
| 11 : | edgomez | 1037 | * This curve treatment algorithm is the one originally implemented by Foxer |
| 12 : | * and tuned by Dirk Knop for the XviD vfw frontend. | ||
| 13 : | suxen_drol | 942 | * |
| 14 : | * This program is free software; you can redistribute it and/or modify | ||
| 15 : | * it under the terms of the GNU General Public License as published by | ||
| 16 : | * the Free Software Foundation; either version 2 of the License, or | ||
| 17 : | * (at your option) any later version. | ||
| 18 : | * | ||
| 19 : | * This program is distributed in the hope that it will be useful, | ||
| 20 : | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 21 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 22 : | * GNU General Public License for more details. | ||
| 23 : | * | ||
| 24 : | * You should have received a copy of the GNU General Public License | ||
| 25 : | * along with this program; if not, write to the Free Software | ||
| 26 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 27 : | * | ||
| 28 : | edgomez | 1041 | * $Id: plugin_2pass2.c,v 1.1.2.10 2003-05-22 22:56:22 edgomez Exp $ |
| 29 : | suxen_drol | 942 | * |
| 30 : | *****************************************************************************/ | ||
| 31 : | |||
| 32 : | #include <stdio.h> | ||
| 33 : | #include <math.h> | ||
| 34 : | edgomez | 1040 | #include <limits.h> |
| 35 : | suxen_drol | 942 | |
| 36 : | #define RAD2DEG 57.295779513082320876798154814105 | ||
| 37 : | #define DEG2RAD 0.017453292519943295769236907684886 | ||
| 38 : | |||
| 39 : | #include "../xvid.h" | ||
| 40 : | #include "../image/image.h" | ||
| 41 : | |||
| 42 : | typedef struct { | ||
| 43 : | int type; /* first pass type */ | ||
| 44 : | int quant; /* first pass quant */ | ||
| 45 : | suxen_drol | 977 | int blks[3]; /* k,m,y blks */ |
| 46 : | suxen_drol | 942 | int length; /* first pass length */ |
| 47 : | suxen_drol | 1030 | int scaled_length; /* scaled length */ |
| 48 : | int desired_length; /* desired length; calcuated during encoding */ | ||
| 49 : | |||
| 50 : | int zone_mode; /* XVID_ZONE_xxx */ | ||
| 51 : | double weight; | ||
| 52 : | suxen_drol | 942 | } stat_t; |
| 53 : | |||
| 54 : | |||
| 55 : | |||
| 56 : | |||
| 57 : | /* context struct */ | ||
| 58 : | typedef struct | ||
| 59 : | { | ||
| 60 : | xvid_plugin_2pass2_t param; | ||
| 61 : | |||
| 62 : | /* constant statistical data */ | ||
| 63 : | suxen_drol | 977 | int num_frames; |
| 64 : | suxen_drol | 942 | int num_keyframes; |
| 65 : | suxen_drol | 1030 | uint64_t target; /* target filesize */ |
| 66 : | suxen_drol | 977 | |
| 67 : | suxen_drol | 942 | int count[3]; /* count of each frame types */ |
| 68 : | uint64_t tot_length[3]; /* total length of each frame types */ | ||
| 69 : | double avg_length[3]; /* avg */ | ||
| 70 : | int min_length[3]; /* min frame length of each frame types */ | ||
| 71 : | uint64_t tot_scaled_length[3]; /* total scaled length of each frame type */ | ||
| 72 : | int max_length; /* max frame size */ | ||
| 73 : | suxen_drol | 1030 | |
| 74 : | /* zone statistical data */ | ||
| 75 : | double avg_weight; /* average weight */ | ||
| 76 : | int64_t tot_quant; /* total length used by XVID_ZONE_QUANT zones */ | ||
| 77 : | |||
| 78 : | |||
| 79 : | suxen_drol | 942 | double curve_comp_scale; |
| 80 : | double movie_curve; | ||
| 81 : | |||
| 82 : | double alt_curve_low; | ||
| 83 : | double alt_curve_high; | ||
| 84 : | double alt_curve_low_diff; | ||
| 85 : | double alt_curve_high_diff; | ||
| 86 : | double alt_curve_curve_bias_bonus; | ||
| 87 : | double alt_curve_mid_qual; | ||
| 88 : | double alt_curve_qual_dev; | ||
| 89 : | |||
| 90 : | /* dynamic */ | ||
| 91 : | |||
| 92 : | int * keyframe_locations; | ||
| 93 : | stat_t * stats; | ||
| 94 : | |||
| 95 : | double pquant_error[32]; | ||
| 96 : | double bquant_error[32]; | ||
| 97 : | int quant_count[32]; | ||
| 98 : | int last_quant[3]; | ||
| 99 : | |||
| 100 : | double curve_comp_error; | ||
| 101 : | int overflow; | ||
| 102 : | int KFoverflow; | ||
| 103 : | int KFoverflow_partial; | ||
| 104 : | int KF_idx; | ||
| 105 : | suxen_drol | 1030 | |
| 106 : | double fq_error; | ||
| 107 : | suxen_drol | 942 | } rc_2pass2_t; |
| 108 : | |||
| 109 : | |||
| 110 : | |||
| 111 : | #define BUF_SZ 1024 | ||
| 112 : | #define MAX_COLS 5 | ||
| 113 : | |||
| 114 : | |||
| 115 : | /* open stats file, and count num frames */ | ||
| 116 : | |||
| 117 : | static int det_stats_length(rc_2pass2_t * rc, char * filename) | ||
| 118 : | { | ||
| 119 : | FILE * f; | ||
| 120 : | int n, ignore; | ||
| 121 : | char type; | ||
| 122 : | |||
| 123 : | rc->num_frames = 0; | ||
| 124 : | rc->num_keyframes = 0; | ||
| 125 : | |||
| 126 : | if ((f = fopen(filename, "rt")) == NULL) | ||
| 127 : | return 0; | ||
| 128 : | |||
| 129 : | suxen_drol | 977 | while((n = fscanf(f, "%c %d %d %d %d %d %d\n", |
| 130 : | &type, &ignore, &ignore, &ignore, &ignore, &ignore, &ignore)) != EOF) { | ||
| 131 : | suxen_drol | 942 | if (type == 'i') { |
| 132 : | rc->num_frames++; | ||
| 133 : | rc->num_keyframes++; | ||
| 134 : | }else if (type == 'p' || type == 'b' || type == 's') { | ||
| 135 : | rc->num_frames++; | ||
| 136 : | } | ||
| 137 : | } | ||
| 138 : | |||
| 139 : | fclose(f); | ||
| 140 : | |||
| 141 : | return 1; | ||
| 142 : | } | ||
| 143 : | |||
| 144 : | |||
| 145 : | |||
| 146 : | suxen_drol | 977 | /* open stats file(s) and read into rc->stats array */ |
| 147 : | suxen_drol | 942 | |
| 148 : | suxen_drol | 977 | static int load_stats(rc_2pass2_t *rc, char * filename) |
| 149 : | { | ||
| 150 : | FILE * f; | ||
| 151 : | int i, not_scaled; | ||
| 152 : | |||
| 153 : | |||
| 154 : | if ((f = fopen(filename, "rt"))==NULL) | ||
| 155 : | return 0; | ||
| 156 : | |||
| 157 : | i = 0; | ||
| 158 : | not_scaled = 0; | ||
| 159 : | while(i < rc->num_frames) { | ||
| 160 : | stat_t * s = &rc->stats[i]; | ||
| 161 : | int n; | ||
| 162 : | char type; | ||
| 163 : | |||
| 164 : | s->scaled_length = 0; | ||
| 165 : | n = fscanf(f, "%c %d %d %d %d %d %d\n", &type, &s->quant, &s->blks[0], &s->blks[1], &s->blks[2], &s->length, &s->scaled_length); | ||
| 166 : | if (n == EOF) break; | ||
| 167 : | if (n < 7) { | ||
| 168 : | not_scaled = 1; | ||
| 169 : | } | ||
| 170 : | |||
| 171 : | if (type == 'i') { | ||
| 172 : | s->type = XVID_TYPE_IVOP; | ||
| 173 : | }else if (type == 'p' || type == 's') { | ||
| 174 : | s->type = XVID_TYPE_PVOP; | ||
| 175 : | }else if (type == 'b') { | ||
| 176 : | s->type = XVID_TYPE_BVOP; | ||
| 177 : | }else{ /* unknown type */ | ||
| 178 : | edgomez | 1038 | DPRINTF(XVID_DEBUG_RC, "unknown stats frame type; assuming pvop\n"); |
| 179 : | suxen_drol | 1032 | s->type = XVID_TYPE_PVOP; |
| 180 : | suxen_drol | 977 | } |
| 181 : | |||
| 182 : | i++; | ||
| 183 : | } | ||
| 184 : | edgomez | 1037 | |
| 185 : | suxen_drol | 977 | rc->num_frames = i; |
| 186 : | |||
| 187 : | edgomez | 1037 | fclose(f); |
| 188 : | |||
| 189 : | suxen_drol | 977 | return 1; |
| 190 : | } | ||
| 191 : | |||
| 192 : | |||
| 193 : | |||
| 194 : | edgomez | 1036 | #if 0 |
| 195 : | suxen_drol | 942 | static void print_stats(rc_2pass2_t * rc) |
| 196 : | { | ||
| 197 : | int i; | ||
| 198 : | edgomez | 1040 | DPRINTF(XVID_DEBUG_RC, "type quant length scaled_length\n"); |
| 199 : | for (i = 0; i < rc->num_frames; i++) { | ||
| 200 : | suxen_drol | 942 | stat_t * s = &rc->stats[i]; |
| 201 : | edgomez | 1040 | DPRINTF(XVID_DEBUG_RC, "%d %d %d %d\n", s->type, s->quant, s->length, s->scaled_length); |
| 202 : | suxen_drol | 942 | } |
| 203 : | } | ||
| 204 : | edgomez | 1036 | #endif |
| 205 : | suxen_drol | 942 | |
| 206 : | /* pre-process the statistics data | ||
| 207 : | suxen_drol | 1030 | - for each type, count, tot_length, min_length, max_length |
| 208 : | - set keyframes_locations | ||
| 209 : | suxen_drol | 942 | */ |
| 210 : | |||
| 211 : | edgomez | 1040 | static void |
| 212 : | pre_process0(rc_2pass2_t * rc) | ||
| 213 : | suxen_drol | 942 | { |
| 214 : | int i,j; | ||
| 215 : | |||
| 216 : | for (i=0; i<3; i++) { | ||
| 217 : | rc->count[i]=0; | ||
| 218 : | rc->tot_length[i] = 0; | ||
| 219 : | rc->last_quant[i] = 0; | ||
| 220 : | edgomez | 1040 | rc->min_length[i] = INT_MAX; |
| 221 : | suxen_drol | 942 | } |
| 222 : | |||
| 223 : | edgomez | 1040 | rc->max_length = INT_MIN; |
| 224 : | |||
| 225 : | suxen_drol | 942 | for (i=j=0; i<rc->num_frames; i++) { |
| 226 : | stat_t * s = &rc->stats[i]; | ||
| 227 : | |||
| 228 : | rc->count[s->type-1]++; | ||
| 229 : | rc->tot_length[s->type-1] += s->length; | ||
| 230 : | |||
| 231 : | edgomez | 1040 | if (s->length < rc->min_length[s->type-1]) { |
| 232 : | suxen_drol | 942 | rc->min_length[s->type-1] = s->length; |
| 233 : | } | ||
| 234 : | |||
| 235 : | edgomez | 1040 | if (s->length > rc->max_length) { |
| 236 : | suxen_drol | 942 | rc->max_length = s->length; |
| 237 : | } | ||
| 238 : | |||
| 239 : | if (s->type == XVID_TYPE_IVOP) { | ||
| 240 : | rc->keyframe_locations[j] = i; | ||
| 241 : | j++; | ||
| 242 : | } | ||
| 243 : | } | ||
| 244 : | edgomez | 1037 | |
| 245 : | /* | ||
| 246 : | * The "per sequence" overflow system considers a natural sequence to be | ||
| 247 : | * formed by all frames between two iframes, so if we want to make sure | ||
| 248 : | * the system does not go nuts during last sequence, we force the last | ||
| 249 : | * frame to appear in the keyframe locations array. | ||
| 250 : | */ | ||
| 251 : | suxen_drol | 942 | rc->keyframe_locations[j] = i; |
| 252 : | edgomez | 1040 | |
| 253 : | DPRINTF(XVID_DEBUG_RC, "Min 1st pass IFrame length: %d\n", rc->min_length[0]); | ||
| 254 : | DPRINTF(XVID_DEBUG_RC, "Min 1st pass PFrame length: %d\n", rc->min_length[1]); | ||
| 255 : | DPRINTF(XVID_DEBUG_RC, "Min 1st pass BFrame length: %d\n", rc->min_length[2]); | ||
| 256 : | suxen_drol | 977 | } |
| 257 : | suxen_drol | 942 | |
| 258 : | suxen_drol | 1030 | |
| 259 : | /* calculate zone weight "center" */ | ||
| 260 : | suxen_drol | 977 | |
| 261 : | edgomez | 1040 | static void |
| 262 : | zone_process(rc_2pass2_t *rc, const xvid_plg_create_t * create) | ||
| 263 : | suxen_drol | 1030 | { |
| 264 : | int i,j; | ||
| 265 : | int n = 0; | ||
| 266 : | suxen_drol | 977 | |
| 267 : | suxen_drol | 1030 | rc->avg_weight = 0.0; |
| 268 : | rc->tot_quant = 0; | ||
| 269 : | |||
| 270 : | |||
| 271 : | if (create->num_zones == 0) { | ||
| 272 : | for (j = 0; j < rc->num_frames; j++) { | ||
| 273 : | rc->stats[j].zone_mode = XVID_ZONE_WEIGHT; | ||
| 274 : | rc->stats[j].weight = 1.0; | ||
| 275 : | } | ||
| 276 : | rc->avg_weight += rc->num_frames * 1.0; | ||
| 277 : | n += rc->num_frames; | ||
| 278 : | } | ||
| 279 : | |||
| 280 : | |||
| 281 : | for(i=0; i < create->num_zones; i++) { | ||
| 282 : | |||
| 283 : | int next = (i+1<create->num_zones) ? create->zones[i+1].frame : rc->num_frames; | ||
| 284 : | |||
| 285 : | if (i==0 && create->zones[i].frame > 0) { | ||
| 286 : | for (j = 0; j < create->zones[i].frame && j < rc->num_frames; j++) { | ||
| 287 : | rc->stats[j].zone_mode = XVID_ZONE_WEIGHT; | ||
| 288 : | rc->stats[j].weight = 1.0; | ||
| 289 : | } | ||
| 290 : | rc->avg_weight += create->zones[i].frame * 1.0; | ||
| 291 : | n += create->zones[i].frame; | ||
| 292 : | } | ||
| 293 : | |||
| 294 : | if (create->zones[i].mode == XVID_ZONE_WEIGHT) { | ||
| 295 : | for (j = create->zones[i].frame; j < next && j < rc->num_frames; j++ ) { | ||
| 296 : | rc->stats[j].zone_mode = XVID_ZONE_WEIGHT; | ||
| 297 : | rc->stats[j].weight = (double)create->zones[i].increment / (double)create->zones[i].base; | ||
| 298 : | } | ||
| 299 : | next -= create->zones[i].frame; | ||
| 300 : | rc->avg_weight += (double)(next * create->zones[i].increment) / (double)create->zones[i].base; | ||
| 301 : | n += next; | ||
| 302 : | }else{ // XVID_ZONE_QUANT | ||
| 303 : | for (j = create->zones[i].frame; j < next && j < rc->num_frames; j++ ) { | ||
| 304 : | rc->stats[j].zone_mode = XVID_ZONE_QUANT; | ||
| 305 : | rc->stats[j].weight = (double)create->zones[i].increment / (double)create->zones[i].base; | ||
| 306 : | rc->tot_quant += rc->stats[j].length; | ||
| 307 : | } | ||
| 308 : | } | ||
| 309 : | } | ||
| 310 : | rc->avg_weight = n>0 ? rc->avg_weight/n : 1.0; | ||
| 311 : | |||
| 312 : | suxen_drol | 1032 | DPRINTF(XVID_DEBUG_RC, "center_weight: %f (for %i frames); fixed_bytes: %i\n", rc->avg_weight, n, rc->tot_quant); |
| 313 : | suxen_drol | 1030 | } |
| 314 : | |||
| 315 : | |||
| 316 : | /* scale the curve */ | ||
| 317 : | |||
| 318 : | edgomez | 1040 | static void |
| 319 : | internal_scale(rc_2pass2_t *rc) | ||
| 320 : | suxen_drol | 1030 | { |
| 321 : | int64_t target = rc->target - rc->tot_quant; | ||
| 322 : | int64_t pass1_length = rc->tot_length[0] + rc->tot_length[1] + rc->tot_length[2] - rc->tot_quant; | ||
| 323 : | int min_size[3]; | ||
| 324 : | double scaler; | ||
| 325 : | int i; | ||
| 326 : | |||
| 327 : | |||
| 328 : | edgomez | 1040 | /* |
| 329 : | * Perform an initial scale pass. | ||
| 330 : | * if a frame size is scaled underneath our hardcoded minimums, then we | ||
| 331 : | * force the frame size to the minimum, and deduct the original & scaled | ||
| 332 : | * frame length from the original and target total lengths | ||
| 333 : | */ | ||
| 334 : | suxen_drol | 1030 | |
| 335 : | min_size[0] = ((rc->stats[0].blks[0]*22) + 240) / 8; | ||
| 336 : | min_size[1] = (rc->stats[0].blks[0] + 88) / 8; | ||
| 337 : | min_size[2] = 8; | ||
| 338 : | |||
| 339 : | scaler = (double)target / (double)pass1_length; | ||
| 340 : | |||
| 341 : | suxen_drol | 1032 | if (target <= 0 || pass1_length <= 0 || target >= pass1_length) { |
| 342 : | DPRINTF(XVID_DEBUG_RC, "undersize warning\n"); | ||
| 343 : | scaler = 1.0; | ||
| 344 : | } | ||
| 345 : | |||
| 346 : | edgomez | 1040 | DPRINTF(XVID_DEBUG_RC, |
| 347 : | "Before any correction: target=%i, tot_length=%i, scaler=%f\n", | ||
| 348 : | (int)target, (int)pass1_length, scaler); | ||
| 349 : | suxen_drol | 1032 | |
| 350 : | suxen_drol | 1030 | for (i=0; i<rc->num_frames; i++) { |
| 351 : | stat_t * s = &rc->stats[i]; | ||
| 352 : | int len; | ||
| 353 : | |||
| 354 : | if (s->zone_mode == XVID_ZONE_QUANT) { | ||
| 355 : | s->scaled_length = s->length; | ||
| 356 : | }else { | ||
| 357 : | len = (int)((double)s->length * scaler * s->weight / rc->avg_weight); | ||
| 358 : | edgomez | 1036 | if (len < min_size[s->type-1]) { /* force frame size */ |
| 359 : | s->scaled_length = min_size[s->type-1]; | ||
| 360 : | suxen_drol | 1030 | target -= s->scaled_length; |
| 361 : | pass1_length -= s->length; | ||
| 362 : | }else{ | ||
| 363 : | s->scaled_length = 0; | ||
| 364 : | } | ||
| 365 : | } | ||
| 366 : | } | ||
| 367 : | |||
| 368 : | suxen_drol | 1032 | scaler = (double)target / (double)pass1_length; |
| 369 : | if (target <= 0 || pass1_length <= 0 || target >= pass1_length) { | ||
| 370 : | DPRINTF(XVID_DEBUG_RC,"undersize warning\n"); | ||
| 371 : | scaler = 1.0; | ||
| 372 : | suxen_drol | 1030 | } |
| 373 : | |||
| 374 : | edgomez | 1040 | DPRINTF(XVID_DEBUG_RC, |
| 375 : | "After correction: target=%i, tot_length=%i, scaler=%f\n", | ||
| 376 : | (int)target, (int)pass1_length, scaler); | ||
| 377 : | suxen_drol | 1030 | |
| 378 : | for (i=0; i<rc->num_frames; i++) { | ||
| 379 : | stat_t * s = &rc->stats[i]; | ||
| 380 : | |||
| 381 : | if (s->scaled_length==0) { /* ignore frame with forced frame sizes */ | ||
| 382 : | s->scaled_length = (int)((double)s->length * scaler * s->weight / rc->avg_weight); | ||
| 383 : | } | ||
| 384 : | } | ||
| 385 : | } | ||
| 386 : | |||
| 387 : | |||
| 388 : | |||
| 389 : | |||
| 390 : | edgomez | 1040 | static void |
| 391 : | pre_process1(rc_2pass2_t * rc) | ||
| 392 : | suxen_drol | 977 | { |
| 393 : | int i; | ||
| 394 : | double total1, total2; | ||
| 395 : | uint64_t ivop_boost_total; | ||
| 396 : | |||
| 397 : | ivop_boost_total = 0; | ||
| 398 : | rc->curve_comp_error = 0; | ||
| 399 : | |||
| 400 : | for (i=0; i<3; i++) { | ||
| 401 : | rc->tot_scaled_length[i] = 0; | ||
| 402 : | } | ||
| 403 : | |||
| 404 : | for (i=0; i<rc->num_frames; i++) { | ||
| 405 : | stat_t * s = &rc->stats[i]; | ||
| 406 : | |||
| 407 : | rc->tot_scaled_length[s->type-1] += s->scaled_length; | ||
| 408 : | |||
| 409 : | if (s->type == XVID_TYPE_IVOP) { | ||
| 410 : | ivop_boost_total += s->scaled_length * rc->param.keyframe_boost / 100; | ||
| 411 : | } | ||
| 412 : | } | ||
| 413 : | |||
| 414 : | suxen_drol | 942 | rc->movie_curve = ((double)(rc->tot_scaled_length[XVID_TYPE_PVOP-1] + rc->tot_scaled_length[XVID_TYPE_BVOP-1] + ivop_boost_total) / |
| 415 : | (rc->tot_scaled_length[XVID_TYPE_PVOP-1] + rc->tot_scaled_length[XVID_TYPE_BVOP-1])); | ||
| 416 : | |||
| 417 : | for(i=0; i<3; i++) { | ||
| 418 : | if (rc->count[i] == 0 || rc->movie_curve == 0) { | ||
| 419 : | rc->avg_length[i] = 1; | ||
| 420 : | }else{ | ||
| 421 : | rc->avg_length[i] = rc->tot_scaled_length[i] / rc->count[i] / rc->movie_curve; | ||
| 422 : | } | ||
| 423 : | } | ||
| 424 : | |||
| 425 : | /* alt curve stuff here */ | ||
| 426 : | |||
| 427 : | if (rc->param.use_alt_curve) { | ||
| 428 : | const double avg_pvop = rc->avg_length[XVID_TYPE_PVOP-1]; | ||
| 429 : | const uint64_t tot_pvop = rc->tot_length[XVID_TYPE_PVOP-1]; | ||
| 430 : | const uint64_t tot_bvop = rc->tot_length[XVID_TYPE_BVOP-1]; | ||
| 431 : | const uint64_t tot_scaled_pvop = rc->tot_scaled_length[XVID_TYPE_PVOP-1]; | ||
| 432 : | const uint64_t tot_scaled_bvop = rc->tot_scaled_length[XVID_TYPE_BVOP-1]; | ||
| 433 : | |||
| 434 : | rc->alt_curve_low = avg_pvop - avg_pvop * (double)rc->param.alt_curve_low_dist / 100.0; | ||
| 435 : | rc->alt_curve_low_diff = avg_pvop - rc->alt_curve_low; | ||
| 436 : | rc->alt_curve_high = avg_pvop + avg_pvop * (double)rc->param.alt_curve_high_dist / 100.0; | ||
| 437 : | rc->alt_curve_high_diff = rc->alt_curve_high - avg_pvop; | ||
| 438 : | |||
| 439 : | if (rc->param.alt_curve_use_auto) { | ||
| 440 : | if (tot_bvop + tot_pvop > tot_scaled_bvop + tot_scaled_pvop) { | ||
| 441 : | rc->param.alt_curve_min_rel_qual = (int)(100.0 - (100.0 - 100.0 / | ||
| 442 : | ((double)(tot_pvop + tot_bvop) / (double)(tot_scaled_pvop + tot_scaled_bvop))) * (double)rc->param.alt_curve_auto_str / 100.0); | ||
| 443 : | |||
| 444 : | if (rc->param.alt_curve_min_rel_qual < 20) | ||
| 445 : | rc->param.alt_curve_min_rel_qual = 20; | ||
| 446 : | }else{ | ||
| 447 : | rc->param.alt_curve_min_rel_qual = 100; | ||
| 448 : | } | ||
| 449 : | } | ||
| 450 : | rc->alt_curve_mid_qual = (1.0 + (double)rc->param.alt_curve_min_rel_qual / 100.0) / 2.0; | ||
| 451 : | rc->alt_curve_qual_dev = 1.0 - rc->alt_curve_mid_qual; | ||
| 452 : | |||
| 453 : | if (rc->param.alt_curve_low_dist > 100) { | ||
| 454 : | switch(rc->param.alt_curve_type) { | ||
| 455 : | case XVID_CURVE_SINE: // Sine Curve (high aggressiveness) | ||
| 456 : | rc->alt_curve_qual_dev *= 2.0 / (1.0 + sin(DEG2RAD * (avg_pvop * 90.0 / rc->alt_curve_low_diff))); | ||
| 457 : | rc->alt_curve_mid_qual = 1.0 - rc->alt_curve_qual_dev * sin(DEG2RAD * (avg_pvop * 90.0 / rc->alt_curve_low_diff)); | ||
| 458 : | break; | ||
| 459 : | case XVID_CURVE_LINEAR: // Linear (medium aggressiveness) | ||
| 460 : | rc->alt_curve_qual_dev *= 2.0 / (1.0 + avg_pvop / rc->alt_curve_low_diff); | ||
| 461 : | rc->alt_curve_mid_qual = 1.0 - rc->alt_curve_qual_dev * avg_pvop / rc->alt_curve_low_diff; | ||
| 462 : | break; | ||
| 463 : | case XVID_CURVE_COSINE: // Cosine Curve (low aggressiveness) | ||
| 464 : | rc->alt_curve_qual_dev *= 2.0 / (1.0 + (1.0 - cos(DEG2RAD * (avg_pvop * 90.0 / rc->alt_curve_low_diff)))); | ||
| 465 : | rc->alt_curve_mid_qual = 1.0 - rc->alt_curve_qual_dev * (1.0 - cos(DEG2RAD * (avg_pvop * 90.0 / rc->alt_curve_low_diff))); | ||
| 466 : | } | ||
| 467 : | } | ||
| 468 : | } | ||
| 469 : | /* --- */ | ||
| 470 : | |||
| 471 : | |||
| 472 : | total1=total2=0; | ||
| 473 : | suxen_drol | 977 | for (i=0; i<rc->num_frames; i++) { |
| 474 : | suxen_drol | 942 | stat_t * s = &rc->stats[i]; |
| 475 : | |||
| 476 : | if (s->type != XVID_TYPE_IVOP) { | ||
| 477 : | double dbytes,dbytes2; | ||
| 478 : | |||
| 479 : | dbytes = s->scaled_length / rc->movie_curve; | ||
| 480 : | dbytes2 = 0; /* XXX: warning */ | ||
| 481 : | total1 += dbytes; | ||
| 482 : | if (s->type == XVID_TYPE_BVOP) | ||
| 483 : | dbytes *= rc->avg_length[XVID_TYPE_PVOP-1] / rc->avg_length[XVID_TYPE_BVOP-1]; | ||
| 484 : | |||
| 485 : | if (rc->param.use_alt_curve) { | ||
| 486 : | if (dbytes > rc->avg_length[XVID_TYPE_PVOP-1]) { | ||
| 487 : | |||
| 488 : | if (dbytes >= rc->alt_curve_high) { | ||
| 489 : | dbytes2 = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev); | ||
| 490 : | }else{ | ||
| 491 : | switch(rc->param.alt_curve_type) { | ||
| 492 : | case XVID_CURVE_SINE : | ||
| 493 : | dbytes2 = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev * sin(DEG2RAD * ((dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) * 90.0 / rc->alt_curve_high_diff))); | ||
| 494 : | break; | ||
| 495 : | case XVID_CURVE_LINEAR : | ||
| 496 : | dbytes2 = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev * (dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) / rc->alt_curve_high_diff); | ||
| 497 : | break; | ||
| 498 : | case XVID_CURVE_COSINE : | ||
| 499 : | dbytes2 = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev * (1.0 - cos(DEG2RAD * ((dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) * 90.0 / rc->alt_curve_high_diff)))); | ||
| 500 : | } | ||
| 501 : | } | ||
| 502 : | }else{ | ||
| 503 : | if (dbytes <= rc->alt_curve_low) { | ||
| 504 : | dbytes2 = dbytes; | ||
| 505 : | }else{ | ||
| 506 : | switch(rc->param.alt_curve_type) { | ||
| 507 : | case XVID_CURVE_SINE : | ||
| 508 : | dbytes2 = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev * sin(DEG2RAD * ((dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) * 90.0 / rc->alt_curve_low_diff))); | ||
| 509 : | break; | ||
| 510 : | case XVID_CURVE_LINEAR : | ||
| 511 : | dbytes2 = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev * (dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) / rc->alt_curve_low_diff); | ||
| 512 : | break; | ||
| 513 : | case XVID_CURVE_COSINE : | ||
| 514 : | dbytes2 = dbytes * (rc->alt_curve_mid_qual + rc->alt_curve_qual_dev * (1.0 - cos(DEG2RAD * ((dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) * 90.0 / rc->alt_curve_low_diff)))); | ||
| 515 : | } | ||
| 516 : | } | ||
| 517 : | |||
| 518 : | } | ||
| 519 : | |||
| 520 : | |||
| 521 : | }else{ | ||
| 522 : | if (dbytes > rc->avg_length[XVID_TYPE_PVOP-1]) { | ||
| 523 : | dbytes2=((double)dbytes + (rc->avg_length[XVID_TYPE_PVOP-1] - dbytes) * rc->param.curve_compression_high / 100.0); | ||
| 524 : | }else{ | ||
| 525 : | dbytes2 = ((double)dbytes + (rc->avg_length[XVID_TYPE_PVOP-1] - dbytes) * rc->param.curve_compression_low / 100.0); | ||
| 526 : | } | ||
| 527 : | } | ||
| 528 : | |||
| 529 : | if (s->type == XVID_TYPE_BVOP) { | ||
| 530 : | dbytes2 *= rc->avg_length[XVID_TYPE_BVOP-1] / rc->avg_length[XVID_TYPE_PVOP-1]; | ||
| 531 : | if (dbytes2 < rc->min_length[XVID_TYPE_BVOP-1]) | ||
| 532 : | dbytes2 = rc->min_length[XVID_TYPE_BVOP-1]; | ||
| 533 : | }else{ | ||
| 534 : | if (dbytes2 < rc->min_length[XVID_TYPE_PVOP-1]) | ||
| 535 : | dbytes2 = rc->min_length[XVID_TYPE_PVOP-1]; | ||
| 536 : | } | ||
| 537 : | total2 += dbytes2; | ||
| 538 : | } | ||
| 539 : | } | ||
| 540 : | |||
| 541 : | rc->curve_comp_scale = total1 / total2; | ||
| 542 : | |||
| 543 : | if (!rc->param.use_alt_curve) { | ||
| 544 : | suxen_drol | 1032 | DPRINTF(XVID_DEBUG_RC, "middle frame size for asymmetric curve compression: %i\n", |
| 545 : | suxen_drol | 942 | (int)(rc->avg_length[XVID_TYPE_PVOP-1] * rc->curve_comp_scale)); |
| 546 : | } | ||
| 547 : | |||
| 548 : | if (rc->param.use_alt_curve) { | ||
| 549 : | int bonus_bias = rc->param.alt_curve_bonus_bias; | ||
| 550 : | int oldquant = 1; | ||
| 551 : | |||
| 552 : | if (rc->param.alt_curve_use_auto_bonus_bias) | ||
| 553 : | bonus_bias = rc->param.alt_curve_min_rel_qual; | ||
| 554 : | |||
| 555 : | rc->alt_curve_curve_bias_bonus = (total1 - total2) * (double)bonus_bias / 100.0 / (double)(rc->num_frames /* - credits_frames */ - rc->num_keyframes); | ||
| 556 : | rc->curve_comp_scale = ((total1 - total2) * (1.0 - (double)bonus_bias / 100.0) + total2) / total2; | ||
| 557 : | |||
| 558 : | |||
| 559 : | /* special info for alt curve: bias bonus and quantizer thresholds */ | ||
| 560 : | |||
| 561 : | edgomez | 1038 | DPRINTF(XVID_DEBUG_RC, "avg scaled framesize:%i\n", (int)rc->avg_length[XVID_TYPE_PVOP-1]); |
| 562 : | DPRINTF(XVID_DEBUG_RC, "bias bonus:%i bytes\n", (int)rc->alt_curve_curve_bias_bonus); | ||
| 563 : | suxen_drol | 942 | |
| 564 : | for (i=1; i <= (int)(rc->alt_curve_high*2)+1; i++) { | ||
| 565 : | double curve_temp, dbytes; | ||
| 566 : | int newquant; | ||
| 567 : | |||
| 568 : | dbytes = i; | ||
| 569 : | if (dbytes > rc->avg_length[XVID_TYPE_PVOP-1]) { | ||
| 570 : | if (dbytes >= rc->alt_curve_high) { | ||
| 571 : | curve_temp = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev); | ||
| 572 : | }else{ | ||
| 573 : | switch(rc->param.alt_curve_type) | ||
| 574 : | { | ||
| 575 : | case XVID_CURVE_SINE : | ||
| 576 : | curve_temp = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev * sin(DEG2RAD * ((dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) * 90.0 / rc->alt_curve_high_diff))); | ||
| 577 : | break; | ||
| 578 : | case XVID_CURVE_LINEAR : | ||
| 579 : | curve_temp = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev * (dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) / rc->alt_curve_high_diff); | ||
| 580 : | break; | ||
| 581 : | case XVID_CURVE_COSINE : | ||
| 582 : | curve_temp = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev * (1.0 - cos(DEG2RAD * ((dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) * 90.0 / rc->alt_curve_high_diff)))); | ||
| 583 : | } | ||
| 584 : | } | ||
| 585 : | }else{ | ||
| 586 : | if (dbytes <= rc->alt_curve_low) { | ||
| 587 : | curve_temp = dbytes; | ||
| 588 : | }else{ | ||
| 589 : | switch(rc->param.alt_curve_type) | ||
| 590 : | { | ||
| 591 : | case XVID_CURVE_SINE : | ||
| 592 : | curve_temp = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev * sin(DEG2RAD * ((dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) * 90.0 / rc->alt_curve_low_diff))); | ||
| 593 : | break; | ||
| 594 : | case XVID_CURVE_LINEAR : | ||
| 595 : | curve_temp = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev * (dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) / rc->alt_curve_low_diff); | ||
| 596 : | break; | ||
| 597 : | case XVID_CURVE_COSINE : | ||
| 598 : | curve_temp = dbytes * (rc->alt_curve_mid_qual + rc->alt_curve_qual_dev * (1.0 - cos(DEG2RAD * ((dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) * 90.0 / rc->alt_curve_low_diff)))); | ||
| 599 : | } | ||
| 600 : | } | ||
| 601 : | } | ||
| 602 : | |||
| 603 : | if (rc->movie_curve > 1.0) | ||
| 604 : | dbytes *= rc->movie_curve; | ||
| 605 : | |||
| 606 : | newquant = (int)(dbytes * 2.0 / (curve_temp * rc->curve_comp_scale + rc->alt_curve_curve_bias_bonus)); | ||
| 607 : | if (newquant > 1) { | ||
| 608 : | if (newquant != oldquant) { | ||
| 609 : | int percent = (int)((i - rc->avg_length[XVID_TYPE_PVOP-1]) * 100.0 / rc->avg_length[XVID_TYPE_PVOP-1]); | ||
| 610 : | oldquant = newquant; | ||
| 611 : | edgomez | 1038 | DPRINTF(XVID_DEBUG_RC, "quant:%i threshold at %i : %i percent\n", newquant, i, percent); |
| 612 : | suxen_drol | 942 | } |
| 613 : | } | ||
| 614 : | } | ||
| 615 : | |||
| 616 : | } | ||
| 617 : | |||
| 618 : | rc->overflow = 0; | ||
| 619 : | rc->KFoverflow = 0; | ||
| 620 : | rc->KFoverflow_partial = 0; | ||
| 621 : | rc->KF_idx = 1; | ||
| 622 : | } | ||
| 623 : | |||
| 624 : | |||
| 625 : | |||
| 626 : | |||
| 627 : | static int rc_2pass2_create(xvid_plg_create_t * create, rc_2pass2_t ** handle) | ||
| 628 : | { | ||
| 629 : | xvid_plugin_2pass2_t * param = (xvid_plugin_2pass2_t *)create->param; | ||
| 630 : | rc_2pass2_t * rc; | ||
| 631 : | suxen_drol | 1030 | int i; |
| 632 : | suxen_drol | 942 | |
| 633 : | rc = malloc(sizeof(rc_2pass2_t)); | ||
| 634 : | if (rc == NULL) | ||
| 635 : | return XVID_ERR_MEMORY; | ||
| 636 : | |||
| 637 : | rc->param = *param; | ||
| 638 : | |||
| 639 : | if (rc->param.keyframe_boost <= 0) rc->param.keyframe_boost = 0; | ||
| 640 : | if (rc->param.payback_method <= 0) rc->param.payback_method = XVID_PAYBACK_PROP; | ||
| 641 : | if (rc->param.bitrate_payback_delay <= 0) rc->param.bitrate_payback_delay = 250; | ||
| 642 : | if (rc->param.curve_compression_high <= 0) rc->param.curve_compression_high = 0; | ||
| 643 : | if (rc->param.curve_compression_low <= 0) rc->param.curve_compression_low = 0; | ||
| 644 : | if (rc->param.max_overflow_improvement <= 0) rc->param.max_overflow_improvement = 60; | ||
| 645 : | if (rc->param.max_overflow_degradation <= 0) rc->param.max_overflow_degradation = 60; | ||
| 646 : | |||
| 647 : | if (rc->param.use_alt_curve <= 0) rc->param.use_alt_curve = 0; | ||
| 648 : | if (rc->param.alt_curve_high_dist <= 0) rc->param.alt_curve_high_dist = 500; | ||
| 649 : | if (rc->param.alt_curve_low_dist <= 0) rc->param.alt_curve_low_dist = 90; | ||
| 650 : | if (rc->param.alt_curve_use_auto <= 0) rc->param.alt_curve_use_auto = 1; | ||
| 651 : | if (rc->param.alt_curve_auto_str <= 0) rc->param.alt_curve_auto_str = 30; | ||
| 652 : | if (rc->param.alt_curve_type <= 0) rc->param.alt_curve_type = XVID_CURVE_LINEAR; | ||
| 653 : | if (rc->param.alt_curve_min_rel_qual <= 0) rc->param.alt_curve_min_rel_qual = 50; | ||
| 654 : | if (rc->param.alt_curve_use_auto_bonus_bias <= 0) rc->param.alt_curve_use_auto_bonus_bias = 1; | ||
| 655 : | if (rc->param.alt_curve_bonus_bias <= 0) rc->param.alt_curve_bonus_bias = 50; | ||
| 656 : | |||
| 657 : | if (rc->param.kftreshold <= 0) rc->param.kftreshold = 10; | ||
| 658 : | if (rc->param.kfreduction <= 0) rc->param.kfreduction = 20; | ||
| 659 : | if (rc->param.min_key_interval <= 0) rc->param.min_key_interval = 300; | ||
| 660 : | |||
| 661 : | suxen_drol | 977 | if (!det_stats_length(rc, param->filename)){ |
| 662 : | suxen_drol | 1032 | DPRINTF(XVID_DEBUG_RC,"fopen %s failed\n", param->filename); |
| 663 : | suxen_drol | 942 | free(rc); |
| 664 : | return XVID_ERR_FAIL; | ||
| 665 : | } | ||
| 666 : | |||
| 667 : | if ((rc->stats = malloc(rc->num_frames * sizeof(stat_t))) == NULL) { | ||
| 668 : | free(rc); | ||
| 669 : | return XVID_ERR_MEMORY; | ||
| 670 : | } | ||
| 671 : | |||
| 672 : | edgomez | 1037 | /* |
| 673 : | * We need an extra location because we do as if the last frame were an | ||
| 674 : | * IFrame. This is needed because our code consider that frames between | ||
| 675 : | * 2 IFrames form a natural sequence. So we store last frame as a | ||
| 676 : | * keyframe location. | ||
| 677 : | */ | ||
| 678 : | suxen_drol | 942 | if ((rc->keyframe_locations = malloc((rc->num_keyframes + 1) * sizeof(int))) == NULL) { |
| 679 : | free(rc->stats); | ||
| 680 : | free(rc); | ||
| 681 : | return XVID_ERR_MEMORY; | ||
| 682 : | } | ||
| 683 : | |||
| 684 : | suxen_drol | 977 | if (!load_stats(rc, param->filename)) { |
| 685 : | suxen_drol | 1032 | DPRINTF(XVID_DEBUG_RC,"fopen %s failed\n", param->filename); |
| 686 : | suxen_drol | 942 | free(rc->keyframe_locations); |
| 687 : | free(rc->stats); | ||
| 688 : | free(rc); | ||
| 689 : | return XVID_ERR_FAIL; | ||
| 690 : | } | ||
| 691 : | |||
| 692 : | /* pre-process our stats */ | ||
| 693 : | suxen_drol | 977 | |
| 694 : | suxen_drol | 1030 | if (rc->num_frames < create->fbase/create->fincr) { |
| 695 : | rc->target = rc->param.bitrate / 8; /* one second */ | ||
| 696 : | }else{ | ||
| 697 : | edgomez | 1040 | rc->target = |
| 698 : | ((uint64_t)rc->param.bitrate * (uint64_t)rc->num_frames * (uint64_t)create->fincr) / \ | ||
| 699 : | ((uint64_t)create->fbase * 8); | ||
| 700 : | suxen_drol | 977 | } |
| 701 : | suxen_drol | 1030 | |
| 702 : | edgomez | 1040 | DPRINTF(XVID_DEBUG_RC, "Number of frames: %d\n", rc->num_frames); |
| 703 : | DPRINTF(XVID_DEBUG_RC, "Frame rate: %d/%d\n", create->fbase, create->fincr); | ||
| 704 : | DPRINTF(XVID_DEBUG_RC, "Target bitrate: %ld\n", rc->param.bitrate); | ||
| 705 : | DPRINTF(XVID_DEBUG_RC, "Target filesize: %lld\n", rc->target); | ||
| 706 : | suxen_drol | 1032 | |
| 707 : | edgomez | 1041 | /* Compensate the mean frame overhead caused by the container */ |
| 708 : | rc->target -= rc->num_frames*rc->param.container_frame_overhead; | ||
| 709 : | DPRINTF(XVID_DEBUG_RC, "Container Frame overhead: %d\n", rc->param.container_frame_overhead); | ||
| 710 : | DPRINTF(XVID_DEBUG_RC, "Target filesize (after container compensation): %lld\n", rc->target); | ||
| 711 : | suxen_drol | 977 | |
| 712 : | pre_process0(rc); | ||
| 713 : | edgomez | 1036 | |
| 714 : | suxen_drol | 977 | if (rc->param.bitrate) { |
| 715 : | suxen_drol | 1030 | zone_process(rc, create); |
| 716 : | suxen_drol | 977 | internal_scale(rc); |
| 717 : | suxen_drol | 1030 | }else{ |
| 718 : | /* external scaler: ignore zone */ | ||
| 719 : | for (i=0;i<rc->num_frames;i++) { | ||
| 720 : | rc->stats[i].zone_mode = XVID_ZONE_WEIGHT; | ||
| 721 : | rc->stats[i].weight = 1.0; | ||
| 722 : | } | ||
| 723 : | rc->avg_weight = 1.0; | ||
| 724 : | rc->tot_quant = 0; | ||
| 725 : | } | ||
| 726 : | pre_process1(rc); | ||
| 727 : | |||
| 728 : | for (i=0; i<32;i++) { | ||
| 729 : | rc->pquant_error[i] = 0; | ||
| 730 : | rc->bquant_error[i] = 0; | ||
| 731 : | rc->quant_count[i] = 0; | ||
| 732 : | } | ||
| 733 : | |||
| 734 : | rc->fq_error = 0; | ||
| 735 : | suxen_drol | 977 | |
| 736 : | suxen_drol | 942 | *handle = rc; |
| 737 : | return(0); | ||
| 738 : | } | ||
| 739 : | |||
| 740 : | |||
| 741 : | static int rc_2pass2_destroy(rc_2pass2_t * rc, xvid_plg_destroy_t * destroy) | ||
| 742 : | { | ||
| 743 : | free(rc->keyframe_locations); | ||
| 744 : | free(rc->stats); | ||
| 745 : | free(rc); | ||
| 746 : | return(0); | ||
| 747 : | } | ||
| 748 : | |||
| 749 : | |||
| 750 : | |||
| 751 : | static int rc_2pass2_before(rc_2pass2_t * rc, xvid_plg_data_t * data) | ||
| 752 : | { | ||
| 753 : | stat_t * s = &rc->stats[data->frame_num]; | ||
| 754 : | int overflow; | ||
| 755 : | int desired; | ||
| 756 : | double dbytes; | ||
| 757 : | double curve_temp; | ||
| 758 : | int capped_to_max_framesize = 0; | ||
| 759 : | |||
| 760 : | edgomez | 1037 | /* |
| 761 : | * This function is quite long but easy to understand. In order to simplify | ||
| 762 : | * the code path (a bit), we treat 3 cases that can return immediatly. | ||
| 763 : | */ | ||
| 764 : | suxen_drol | 942 | |
| 765 : | edgomez | 1037 | /* First case: Another plugin has already set a quantizer */ |
| 766 : | if (data->quant > 0) | ||
| 767 : | return(0); | ||
| 768 : | suxen_drol | 942 | |
| 769 : | edgomez | 1037 | /* Second case: We are in a Quant zone */ |
| 770 : | if (s->zone_mode == XVID_ZONE_QUANT) { | ||
| 771 : | suxen_drol | 942 | |
| 772 : | edgomez | 1037 | rc->fq_error += s->weight; |
| 773 : | data->quant = (int)rc->fq_error; | ||
| 774 : | rc->fq_error -= data->quant; | ||
| 775 : | |||
| 776 : | s->desired_length = s->length; | ||
| 777 : | suxen_drol | 1032 | |
| 778 : | edgomez | 1037 | return(0); |
| 779 : | suxen_drol | 942 | |
| 780 : | edgomez | 1037 | } |
| 781 : | suxen_drol | 977 | |
| 782 : | edgomez | 1037 | /* Third case: insufficent stats data */ |
| 783 : | if (data->frame_num >= rc->num_frames) | ||
| 784 : | return 0; | ||
| 785 : | suxen_drol | 942 | |
| 786 : | edgomez | 1037 | /* |
| 787 : | * The last case is the one every normal minded developer should fear to | ||
| 788 : | * maintain in a project :-) | ||
| 789 : | */ | ||
| 790 : | suxen_drol | 942 | |
| 791 : | edgomez | 1037 | /* XXX: why by 8 */ |
| 792 : | overflow = rc->overflow / 8; | ||
| 793 : | suxen_drol | 942 | |
| 794 : | edgomez | 1037 | /* |
| 795 : | * The rc->overflow field represents the overflow in current scene (between two | ||
| 796 : | * IFrames) so we must not forget to reset it if we are enetring a new scene | ||
| 797 : | */ | ||
| 798 : | if (s->type == XVID_TYPE_IVOP) { | ||
| 799 : | overflow = 0; | ||
| 800 : | } | ||
| 801 : | suxen_drol | 942 | |
| 802 : | edgomez | 1037 | desired = s->scaled_length; |
| 803 : | suxen_drol | 942 | |
| 804 : | edgomez | 1037 | dbytes = desired; |
| 805 : | if (s->type == XVID_TYPE_IVOP) { | ||
| 806 : | dbytes += desired * rc->param.keyframe_boost / 100; | ||
| 807 : | } | ||
| 808 : | dbytes /= rc->movie_curve; | ||
| 809 : | suxen_drol | 942 | |
| 810 : | edgomez | 1037 | /* |
| 811 : | * We are now entering in the hard part of the algo, it was first designed | ||
| 812 : | * to work with i/pframes only streams, so the way it computes things is | ||
| 813 : | * adapted to pframes only. However we can use it if we just take care to | ||
| 814 : | * scale the bframes sizes to pframes sizes using the ratio avg_p/avg_p and | ||
| 815 : | * then before really using values depending on frame sizes, scaling the | ||
| 816 : | * value again with the inverse ratio | ||
| 817 : | */ | ||
| 818 : | if (s->type == XVID_TYPE_BVOP) { | ||
| 819 : | dbytes *= rc->avg_length[XVID_TYPE_PVOP-1] / rc->avg_length[XVID_TYPE_BVOP-1]; | ||
| 820 : | } | ||
| 821 : | suxen_drol | 942 | |
| 822 : | edgomez | 1037 | /* |
| 823 : | * Apply user's choosen Payback method. Payback helps bitrate to follow the | ||
| 824 : | * scaled curve "paying back" past errors in curve previsions. | ||
| 825 : | */ | ||
| 826 : | if (rc->param.payback_method == XVID_PAYBACK_BIAS) { | ||
| 827 : | desired =(int)(rc->curve_comp_error / rc->param.bitrate_payback_delay); | ||
| 828 : | }else{ | ||
| 829 : | desired = (int)(rc->curve_comp_error * dbytes / | ||
| 830 : | rc->avg_length[XVID_TYPE_PVOP-1] / rc->param.bitrate_payback_delay); | ||
| 831 : | suxen_drol | 942 | |
| 832 : | edgomez | 1037 | if (labs(desired) > fabs(rc->curve_comp_error)) { |
| 833 : | desired = (int)rc->curve_comp_error; | ||
| 834 : | } | ||
| 835 : | } | ||
| 836 : | suxen_drol | 942 | |
| 837 : | edgomez | 1037 | rc->curve_comp_error -= desired; |
| 838 : | suxen_drol | 942 | |
| 839 : | edgomez | 1037 | /* |
| 840 : | * Alt curve treatment is not that hard to understand though the formulas | ||
| 841 : | * seem to be huge. Alt treatment is basically a way to soft/harden the | ||
| 842 : | * curve flux applying sine/linear/cosine ratios | ||
| 843 : | */ | ||
| 844 : | suxen_drol | 942 | |
| 845 : | edgomez | 1037 | /* XXX: warning */ |
| 846 : | curve_temp = 0; | ||
| 847 : | suxen_drol | 942 | |
| 848 : | edgomez | 1037 | if (rc->param.use_alt_curve) { |
| 849 : | if (s->type != XVID_TYPE_IVOP) { | ||
| 850 : | if (dbytes > rc->avg_length[XVID_TYPE_PVOP-1]) { | ||
| 851 : | if (dbytes >= rc->alt_curve_high) { | ||
| 852 : | curve_temp = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev); | ||
| 853 : | } else { | ||
| 854 : | switch(rc->param.alt_curve_type) { | ||
| 855 : | case XVID_CURVE_SINE : | ||
| 856 : | curve_temp = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev * sin(DEG2RAD * ((dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) * 90.0 / rc->alt_curve_high_diff))); | ||
| 857 : | break; | ||
| 858 : | case XVID_CURVE_LINEAR : | ||
| 859 : | curve_temp = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev * (dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) / rc->alt_curve_high_diff); | ||
| 860 : | break; | ||
| 861 : | case XVID_CURVE_COSINE : | ||
| 862 : | curve_temp = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev * (1.0 - cos(DEG2RAD * ((dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) * 90.0 / rc->alt_curve_high_diff)))); | ||
| 863 : | } | ||
| 864 : | } | ||
| 865 : | } else { | ||
| 866 : | if (dbytes <= rc->alt_curve_low){ | ||
| 867 : | curve_temp = dbytes; | ||
| 868 : | } else { | ||
| 869 : | switch(rc->param.alt_curve_type) { | ||
| 870 : | case XVID_CURVE_SINE : | ||
| 871 : | curve_temp = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev * sin(DEG2RAD * ((dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) * 90.0 / rc->alt_curve_low_diff))); | ||
| 872 : | break; | ||
| 873 : | case XVID_CURVE_LINEAR : | ||
| 874 : | curve_temp = dbytes * (rc->alt_curve_mid_qual - rc->alt_curve_qual_dev * (dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) / rc->alt_curve_low_diff); | ||
| 875 : | break; | ||
| 876 : | case XVID_CURVE_COSINE : | ||
| 877 : | curve_temp = dbytes * (rc->alt_curve_mid_qual + rc->alt_curve_qual_dev * (1.0 - cos(DEG2RAD * ((dbytes - rc->avg_length[XVID_TYPE_PVOP-1]) * 90.0 / rc->alt_curve_low_diff)))); | ||
| 878 : | } | ||
| 879 : | } | ||
| 880 : | } | ||
| 881 : | suxen_drol | 942 | |
| 882 : | edgomez | 1037 | /* |
| 883 : | * End of code path for curve_temp, as told earlier, we are now | ||
| 884 : | * obliged to scale the value to a bframe one using the inverse | ||
| 885 : | * ratio applied earlier | ||
| 886 : | */ | ||
| 887 : | if (s->type == XVID_TYPE_BVOP) | ||
| 888 : | curve_temp *= rc->avg_length[XVID_TYPE_BVOP-1] / rc->avg_length[XVID_TYPE_PVOP-1]; | ||
| 889 : | suxen_drol | 942 | |
| 890 : | edgomez | 1037 | curve_temp = curve_temp * rc->curve_comp_scale + rc->alt_curve_curve_bias_bonus; |
| 891 : | suxen_drol | 942 | |
| 892 : | edgomez | 1037 | desired += ((int)curve_temp); |
| 893 : | rc->curve_comp_error += curve_temp - (int)curve_temp; | ||
| 894 : | } else { | ||
| 895 : | /* | ||
| 896 : | * End of code path for dbytes, as told earlier, we are now | ||
| 897 : | * obliged to scale the value to a bframe one using the inverse | ||
| 898 : | * ratio applied earlier | ||
| 899 : | */ | ||
| 900 : | if (s->type == XVID_TYPE_BVOP) | ||
| 901 : | dbytes *= rc->avg_length[XVID_TYPE_BVOP-1] / rc->avg_length[XVID_TYPE_PVOP-1]; | ||
| 902 : | suxen_drol | 1030 | |
| 903 : | edgomez | 1037 | desired += ((int)dbytes); |
| 904 : | rc->curve_comp_error += dbytes - (int)dbytes; | ||
| 905 : | } | ||
| 906 : | suxen_drol | 1030 | |
| 907 : | edgomez | 1037 | } else if ((rc->param.curve_compression_high + rc->param.curve_compression_low) && s->type != XVID_TYPE_IVOP) { |
| 908 : | suxen_drol | 1030 | |
| 909 : | edgomez | 1037 | curve_temp = rc->curve_comp_scale; |
| 910 : | if (dbytes > rc->avg_length[XVID_TYPE_PVOP-1]) { | ||
| 911 : | curve_temp *= ((double)dbytes + (rc->avg_length[XVID_TYPE_PVOP-1] - dbytes) * rc->param.curve_compression_high / 100.0); | ||
| 912 : | } else { | ||
| 913 : | curve_temp *= ((double)dbytes + (rc->avg_length[XVID_TYPE_PVOP-1] - dbytes) * rc->param.curve_compression_low / 100.0); | ||
| 914 : | } | ||
| 915 : | suxen_drol | 942 | |
| 916 : | edgomez | 1037 | /* |
| 917 : | * End of code path for curve_temp, as told earlier, we are now | ||
| 918 : | * obliged to scale the value to a bframe one using the inverse | ||
| 919 : | * ratio applied earlier | ||
| 920 : | */ | ||
| 921 : | if (s->type == XVID_TYPE_BVOP) | ||
| 922 : | curve_temp *= rc->avg_length[XVID_TYPE_BVOP-1] / rc->avg_length[XVID_TYPE_PVOP-1]; | ||
| 923 : | suxen_drol | 1032 | |
| 924 : | edgomez | 1037 | desired += (int)curve_temp; |
| 925 : | rc->curve_comp_error += curve_temp - (int)curve_temp; | ||
| 926 : | } else { | ||
| 927 : | /* | ||
| 928 : | * End of code path for dbytes, as told earlier, we are now | ||
| 929 : | * obliged to scale the value to a bframe one using the inverse | ||
| 930 : | * ratio applied earlier | ||
| 931 : | */ | ||
| 932 : | if (s->type == XVID_TYPE_BVOP){ | ||
| 933 : | dbytes *= rc->avg_length[XVID_TYPE_BVOP-1] / rc->avg_length[XVID_TYPE_PVOP-1]; | ||
| 934 : | } | ||
| 935 : | suxen_drol | 942 | |
| 936 : | edgomez | 1037 | desired += (int)dbytes; |
| 937 : | rc->curve_comp_error += dbytes - (int)dbytes; | ||
| 938 : | } | ||
| 939 : | suxen_drol | 942 | |
| 940 : | |||
| 941 : | edgomez | 1037 | /* |
| 942 : | * We can't do bigger frames than first pass, this would be stupid as first | ||
| 943 : | * pass is quant=2 and that reaching quant=1 is not worth it. We would lose | ||
| 944 : | * many bytes and we would not not gain much quality. | ||
| 945 : | */ | ||
| 946 : | if (desired > s->length) { | ||
| 947 : | rc->curve_comp_error += desired - s->length; | ||
| 948 : | desired = s->length; | ||
| 949 : | }else{ | ||
| 950 : | if (desired < rc->min_length[s->type-1]) { | ||
| 951 : | if (s->type == XVID_TYPE_IVOP){ | ||
| 952 : | rc->curve_comp_error -= rc->min_length[XVID_TYPE_IVOP-1] - desired; | ||
| 953 : | } | ||
| 954 : | desired = rc->min_length[s->type-1]; | ||
| 955 : | } | ||
| 956 : | } | ||
| 957 : | suxen_drol | 942 | |
| 958 : | edgomez | 1037 | s->desired_length = desired; |
| 959 : | suxen_drol | 942 | |
| 960 : | edgomez | 1037 | |
| 961 : | /* if this keyframe is too close to the next, reduce it's byte allotment | ||
| 962 : | XXX: why do we do this after setting the desired length */ | ||
| 963 : | suxen_drol | 942 | |
| 964 : | edgomez | 1037 | if (s->type == XVID_TYPE_IVOP) { |
| 965 : | int KFdistance = rc->keyframe_locations[rc->KF_idx] - rc->keyframe_locations[rc->KF_idx - 1]; | ||
| 966 : | suxen_drol | 942 | |
| 967 : | edgomez | 1037 | if (KFdistance < rc->param.kftreshold) { |
| 968 : | |||
| 969 : | KFdistance = KFdistance - rc->param.min_key_interval; | ||
| 970 : | suxen_drol | 942 | |
| 971 : | edgomez | 1037 | if (KFdistance >= 0) { |
| 972 : | int KF_min_size; | ||
| 973 : | suxen_drol | 942 | |
| 974 : | edgomez | 1037 | KF_min_size = desired * (100 - rc->param.kfreduction) / 100; |
| 975 : | if (KF_min_size < 1) | ||
| 976 : | KF_min_size = 1; | ||
| 977 : | suxen_drol | 942 | |
| 978 : | edgomez | 1037 | desired = KF_min_size + (desired - KF_min_size) * KFdistance / |
| 979 : | (rc->param.kftreshold - rc->param.min_key_interval); | ||
| 980 : | suxen_drol | 942 | |
| 981 : | edgomez | 1037 | if (desired < 1) |
| 982 : | desired = 1; | ||
| 983 : | } | ||
| 984 : | } | ||
| 985 : | } | ||
| 986 : | suxen_drol | 942 | |
| 987 : | edgomez | 1037 | overflow = (int)((double)overflow * desired / rc->avg_length[XVID_TYPE_PVOP-1]); |
| 988 : | suxen_drol | 942 | |
| 989 : | edgomez | 1037 | /* Reign in overflow with huge frames */ |
| 990 : | if (labs(overflow) > labs(rc->overflow)) { | ||
| 991 : | overflow = rc->overflow; | ||
| 992 : | } | ||
| 993 : | suxen_drol | 942 | |
| 994 : | edgomez | 1037 | /* Make sure overflow doesn't run away */ |
| 995 : | if (overflow > desired * rc->param.max_overflow_improvement / 100) { | ||
| 996 : | desired += (overflow <= desired) ? desired * rc->param.max_overflow_improvement / 100 : | ||
| 997 : | overflow * rc->param.max_overflow_improvement / 100; | ||
| 998 : | } else if (overflow < desired * rc->param.max_overflow_degradation / -100){ | ||
| 999 : | desired += desired * rc->param.max_overflow_degradation / -100; | ||
| 1000 : | } else { | ||
| 1001 : | desired += overflow; | ||
| 1002 : | } | ||
| 1003 : | suxen_drol | 942 | |
| 1004 : | edgomez | 1037 | /* Make sure we are not higher than desired frame size */ |
| 1005 : | if (desired > rc->max_length) { | ||
| 1006 : | capped_to_max_framesize = 1; | ||
| 1007 : | desired = rc->max_length; | ||
| 1008 : | edgomez | 1040 | DPRINTF(XVID_DEBUG_RC,"[%i] Capped to maximum frame size\n", |
| 1009 : | data->frame_num); | ||
| 1010 : | edgomez | 1037 | } |
| 1011 : | suxen_drol | 942 | |
| 1012 : | edgomez | 1037 | /* Make sure to not scale below the minimum framesize */ |
| 1013 : | edgomez | 1040 | if (desired < rc->min_length[s->type-1]) { |
| 1014 : | edgomez | 1037 | desired = rc->min_length[s->type-1]; |
| 1015 : | edgomez | 1040 | DPRINTF(XVID_DEBUG_RC,"[%i] Capped to minimum frame size\n", |
| 1016 : | data->frame_num); | ||
| 1017 : | } | ||
| 1018 : | suxen_drol | 942 | |
| 1019 : | edgomez | 1037 | /* |
| 1020 : | * Don't laugh at this very 'simple' quant<->filesize relationship, it | ||
| 1021 : | * proves to be acurate enough for our algorithm | ||
| 1022 : | */ | ||
| 1023 : | data->quant= (s->quant * s->length) / desired; | ||
| 1024 : | suxen_drol | 942 | |
| 1025 : | edgomez | 1037 | /* Let's clip the computed quantizer, if needed */ |
| 1026 : | if (data->quant < 1) { | ||
| 1027 : | data->quant = 1; | ||
| 1028 : | } else if (data->quant > 31) { | ||
| 1029 : | data->quant = 31; | ||
| 1030 : | } else if (s->type != XVID_TYPE_IVOP) { | ||
| 1031 : | suxen_drol | 942 | |
| 1032 : | edgomez | 1037 | /* |
| 1033 : | * The frame quantizer has not been clipped, this appear to be a good | ||
| 1034 : | * computed quantizer, however past frames give us some info about how | ||
| 1035 : | * this quantizer performs against the algo prevision. Let's use this | ||
| 1036 : | * prevision to increase the quantizer when we observe a too big | ||
| 1037 : | * accumulated error | ||
| 1038 : | */ | ||
| 1039 : | if (s->type== XVID_TYPE_BVOP) { | ||
| 1040 : | rc->bquant_error[data->quant] += ((double)(s->quant * s->length) / desired) - data->quant; | ||
| 1041 : | suxen_drol | 942 | |
| 1042 : | edgomez | 1037 | if (rc->bquant_error[data->quant] >= 1.0) { |
| 1043 : | rc->bquant_error[data->quant] -= 1.0; | ||
| 1044 : | data->quant++; | ||
| 1045 : | } | ||
| 1046 : | } else { | ||
| 1047 : | rc->pquant_error[data->quant] += ((double)(s->quant * s->length) / desired) - data->quant; | ||
| 1048 : | suxen_drol | 942 | |
| 1049 : | edgomez | 1037 | if (rc->pquant_error[data->quant] >= 1.0) { |
| 1050 : | rc->pquant_error[data->quant] -= 1.0; | ||
| 1051 : | ++data->quant; | ||
| 1052 : | } | ||
| 1053 : | } | ||
| 1054 : | } | ||
| 1055 : | suxen_drol | 942 | |
| 1056 : | edgomez | 1037 | /* |
| 1057 : | * Now we have a computed quant that is in the right quante range, with a | ||
| 1058 : | * possible +1 correction due to cumulated error. We can now safely clip | ||
| 1059 : | * the quantizer again with user's quant ranges. "Safely" means the Rate | ||
| 1060 : | * Control could learn more about this quantizer, this knowledge is useful | ||
| 1061 : | * for future frames even if it this quantizer won't be really used atm, | ||
| 1062 : | * that's why we don't perform this clipping earlier. | ||
| 1063 : | */ | ||
| 1064 : | if (data->quant < data->min_quant[s->type-1]) { | ||
| 1065 : | data->quant = data->min_quant[s->type-1]; | ||
| 1066 : | } else if (data->quant > data->max_quant[s->type-1]) { | ||
| 1067 : | data->quant = data->max_quant[s->type-1]; | ||
| 1068 : | } | ||
| 1069 : | suxen_drol | 942 | |
| 1070 : | edgomez | 1037 | /* |
| 1071 : | * To avoid big quality jumps from frame to frame, we apply a "security" | ||
| 1072 : | * rule that makes |last_quant - new_quant| <= 2. This rule only applies | ||
| 1073 : | * to predicted frames (P and B) | ||
| 1074 : | */ | ||
| 1075 : | if (s->type != XVID_TYPE_IVOP && rc->last_quant[s->type-1] && capped_to_max_framesize == 0) { | ||
| 1076 : | suxen_drol | 942 | |
| 1077 : | edgomez | 1037 | if (data->quant > rc->last_quant[s->type-1] + 2) { |
| 1078 : | data->quant = rc->last_quant[s->type-1] + 2; | ||
| 1079 : | edgomez | 1040 | DPRINTF(XVID_DEBUG_RC, |
| 1080 : | "[%i] p/b-frame quantizer prevented from rising too steeply\n", | ||
| 1081 : | data->frame_num); | ||
| 1082 : | edgomez | 1037 | } |
| 1083 : | if (data->quant < rc->last_quant[s->type-1] - 2) { | ||
| 1084 : | data->quant = rc->last_quant[s->type-1] - 2; | ||
| 1085 : | edgomez | 1040 | DPRINTF(XVID_DEBUG_RC, |
| 1086 : | "[%i] p/b-frame quantizer prevented from falling too steeply\n", | ||
| 1087 : | data->frame_num); | ||
| 1088 : | edgomez | 1037 | } |
| 1089 : | } | ||
| 1090 : | suxen_drol | 1030 | |
| 1091 : | edgomez | 1037 | /* |
| 1092 : | * We don't want to pollute the RC history results when our computed quant | ||
| 1093 : | * has been computed from a capped frame size | ||
| 1094 : | */ | ||
| 1095 : | if (capped_to_max_framesize == 0) { | ||
| 1096 : | rc->last_quant[s->type-1] = data->quant; | ||
| 1097 : | } | ||
| 1098 : | suxen_drol | 1030 | |
| 1099 : | edgomez | 1037 | return 0; |
| 1100 : | suxen_drol | 942 | } |
| 1101 : | |||
| 1102 : | |||
| 1103 : | |||
| 1104 : | static int rc_2pass2_after(rc_2pass2_t * rc, xvid_plg_data_t * data) | ||
| 1105 : | { | ||
| 1106 : | stat_t * s = &rc->stats[data->frame_num]; | ||
| 1107 : | |||
| 1108 : | edgomez | 1037 | /* Insufficent stats data */ |
| 1109 : | if (data->frame_num >= rc->num_frames) | ||
| 1110 : | suxen_drol | 942 | return 0; |
| 1111 : | |||
| 1112 : | rc->quant_count[data->quant]++; | ||
| 1113 : | |||
| 1114 : | if (data->type == XVID_TYPE_IVOP) { | ||
| 1115 : | int kfdiff = (rc->keyframe_locations[rc->KF_idx] - rc->keyframe_locations[rc->KF_idx - 1]); | ||
| 1116 : | |||
| 1117 : | rc->overflow += rc->KFoverflow; | ||
| 1118 : | rc->KFoverflow = s->desired_length - data->length; | ||
| 1119 : | |||
| 1120 : | if (kfdiff > 1) { // non-consecutive keyframes | ||
| 1121 : | rc->KFoverflow_partial = rc->KFoverflow / (kfdiff - 1); | ||
| 1122 : | }else{ // consecutive keyframes | ||
| 1123 : | rc->overflow += rc->KFoverflow; | ||
| 1124 : | rc->KFoverflow = 0; | ||
| 1125 : | rc->KFoverflow_partial = 0; | ||
| 1126 : | } | ||
| 1127 : | rc->KF_idx++; | ||
| 1128 : | }else{ | ||
| 1129 : | // distribute part of the keyframe overflow | ||
| 1130 : | rc->overflow += s->desired_length - data->length + rc->KFoverflow_partial; | ||
| 1131 : | rc->KFoverflow -= rc->KFoverflow_partial; | ||
| 1132 : | } | ||
| 1133 : | |||
| 1134 : | suxen_drol | 1032 | DPRINTF(XVID_DEBUG_RC, "[%i] quant:%i stats1:%i scaled:%i actual:%i overflow:%i\n", |
| 1135 : | suxen_drol | 942 | data->frame_num, |
| 1136 : | data->quant, | ||
| 1137 : | s->length, | ||
| 1138 : | s->scaled_length, | ||
| 1139 : | data->length, | ||
| 1140 : | rc->overflow); | ||
| 1141 : | |||
| 1142 : | return(0); | ||
| 1143 : | } | ||
| 1144 : | |||
| 1145 : | |||
| 1146 : | |||
| 1147 : | int xvid_plugin_2pass2(void * handle, int opt, void * param1, void * param2) | ||
| 1148 : | { | ||
| 1149 : | switch(opt) | ||
| 1150 : | { | ||
| 1151 : | case XVID_PLG_INFO : | ||
| 1152 : | return 0; | ||
| 1153 : | |||
| 1154 : | case XVID_PLG_CREATE : | ||
| 1155 : | return rc_2pass2_create((xvid_plg_create_t*)param1, param2); | ||
| 1156 : | |||
| 1157 : | case XVID_PLG_DESTROY : | ||
| 1158 : | return rc_2pass2_destroy((rc_2pass2_t*)handle, (xvid_plg_destroy_t*)param1); | ||
| 1159 : | |||
| 1160 : | case XVID_PLG_BEFORE : | ||
| 1161 : | return rc_2pass2_before((rc_2pass2_t*)handle, (xvid_plg_data_t*)param1); | ||
| 1162 : | |||
| 1163 : | case XVID_PLG_AFTER : | ||
| 1164 : | return rc_2pass2_after((rc_2pass2_t*)handle, (xvid_plg_data_t*)param1); | ||
| 1165 : | } | ||
| 1166 : | |||
| 1167 : | return XVID_ERR_FAIL; | ||
| 1168 : | } |
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