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00023 #include "libavutil/imgutils.h"
00024 #include "avcodec.h"
00025 #include "dsputil.h"
00026 #include "binkdata.h"
00027 #include "binkdsp.h"
00028 #include "mathops.h"
00029
00030 #define BITSTREAM_READER_LE
00031 #include "get_bits.h"
00032
00033 #define BINK_FLAG_ALPHA 0x00100000
00034 #define BINK_FLAG_GRAY 0x00020000
00035
00036 static VLC bink_trees[16];
00037
00041 enum OldSources {
00042 BINKB_SRC_BLOCK_TYPES = 0,
00043 BINKB_SRC_COLORS,
00044 BINKB_SRC_PATTERN,
00045 BINKB_SRC_X_OFF,
00046 BINKB_SRC_Y_OFF,
00047 BINKB_SRC_INTRA_DC,
00048 BINKB_SRC_INTER_DC,
00049 BINKB_SRC_INTRA_Q,
00050 BINKB_SRC_INTER_Q,
00051 BINKB_SRC_INTER_COEFS,
00052
00053 BINKB_NB_SRC
00054 };
00055
00056 static const int binkb_bundle_sizes[BINKB_NB_SRC] = {
00057 4, 8, 8, 5, 5, 11, 11, 4, 4, 7
00058 };
00059
00060 static const int binkb_bundle_signed[BINKB_NB_SRC] = {
00061 0, 0, 0, 1, 1, 0, 1, 0, 0, 0
00062 };
00063
00064 static int32_t binkb_intra_quant[16][64];
00065 static int32_t binkb_inter_quant[16][64];
00066
00070 enum Sources {
00071 BINK_SRC_BLOCK_TYPES = 0,
00072 BINK_SRC_SUB_BLOCK_TYPES,
00073 BINK_SRC_COLORS,
00074 BINK_SRC_PATTERN,
00075 BINK_SRC_X_OFF,
00076 BINK_SRC_Y_OFF,
00077 BINK_SRC_INTRA_DC,
00078 BINK_SRC_INTER_DC,
00079 BINK_SRC_RUN,
00080
00081 BINK_NB_SRC
00082 };
00083
00087 typedef struct Tree {
00088 int vlc_num;
00089 uint8_t syms[16];
00090 } Tree;
00091
00092 #define GET_HUFF(gb, tree) (tree).syms[get_vlc2(gb, bink_trees[(tree).vlc_num].table,\
00093 bink_trees[(tree).vlc_num].bits, 1)]
00094
00098 typedef struct Bundle {
00099 int len;
00100 Tree tree;
00101 uint8_t *data;
00102 uint8_t *data_end;
00103 uint8_t *cur_dec;
00104 uint8_t *cur_ptr;
00105 } Bundle;
00106
00107
00108
00109
00110 typedef struct BinkContext {
00111 AVCodecContext *avctx;
00112 DSPContext dsp;
00113 BinkDSPContext bdsp;
00114 AVFrame pic, last;
00115 int version;
00116 int has_alpha;
00117 int swap_planes;
00118
00119 Bundle bundle[BINKB_NB_SRC];
00120 Tree col_high[16];
00121 int col_lastval;
00122 } BinkContext;
00123
00127 enum BlockTypes {
00128 SKIP_BLOCK = 0,
00129 SCALED_BLOCK,
00130 MOTION_BLOCK,
00131 RUN_BLOCK,
00132 RESIDUE_BLOCK,
00133 INTRA_BLOCK,
00134 FILL_BLOCK,
00135 INTER_BLOCK,
00136 PATTERN_BLOCK,
00137 RAW_BLOCK,
00138 };
00139
00147 static void init_lengths(BinkContext *c, int width, int bw)
00148 {
00149 c->bundle[BINK_SRC_BLOCK_TYPES].len = av_log2((width >> 3) + 511) + 1;
00150
00151 c->bundle[BINK_SRC_SUB_BLOCK_TYPES].len = av_log2((width >> 4) + 511) + 1;
00152
00153 c->bundle[BINK_SRC_COLORS].len = av_log2(bw*64 + 511) + 1;
00154
00155 c->bundle[BINK_SRC_INTRA_DC].len =
00156 c->bundle[BINK_SRC_INTER_DC].len =
00157 c->bundle[BINK_SRC_X_OFF].len =
00158 c->bundle[BINK_SRC_Y_OFF].len = av_log2((width >> 3) + 511) + 1;
00159
00160 c->bundle[BINK_SRC_PATTERN].len = av_log2((bw << 3) + 511) + 1;
00161
00162 c->bundle[BINK_SRC_RUN].len = av_log2(bw*48 + 511) + 1;
00163 }
00164
00170 static av_cold void init_bundles(BinkContext *c)
00171 {
00172 int bw, bh, blocks;
00173 int i;
00174
00175 bw = (c->avctx->width + 7) >> 3;
00176 bh = (c->avctx->height + 7) >> 3;
00177 blocks = bw * bh;
00178
00179 for (i = 0; i < BINKB_NB_SRC; i++) {
00180 c->bundle[i].data = av_malloc(blocks * 64);
00181 c->bundle[i].data_end = c->bundle[i].data + blocks * 64;
00182 }
00183 }
00184
00190 static av_cold void free_bundles(BinkContext *c)
00191 {
00192 int i;
00193 for (i = 0; i < BINKB_NB_SRC; i++)
00194 av_freep(&c->bundle[i].data);
00195 }
00196
00205 static void merge(GetBitContext *gb, uint8_t *dst, uint8_t *src, int size)
00206 {
00207 uint8_t *src2 = src + size;
00208 int size2 = size;
00209
00210 do {
00211 if (!get_bits1(gb)) {
00212 *dst++ = *src++;
00213 size--;
00214 } else {
00215 *dst++ = *src2++;
00216 size2--;
00217 }
00218 } while (size && size2);
00219
00220 while (size--)
00221 *dst++ = *src++;
00222 while (size2--)
00223 *dst++ = *src2++;
00224 }
00225
00232 static void read_tree(GetBitContext *gb, Tree *tree)
00233 {
00234 uint8_t tmp1[16], tmp2[16], *in = tmp1, *out = tmp2;
00235 int i, t, len;
00236
00237 tree->vlc_num = get_bits(gb, 4);
00238 if (!tree->vlc_num) {
00239 for (i = 0; i < 16; i++)
00240 tree->syms[i] = i;
00241 return;
00242 }
00243 if (get_bits1(gb)) {
00244 len = get_bits(gb, 3);
00245 memset(tmp1, 0, sizeof(tmp1));
00246 for (i = 0; i <= len; i++) {
00247 tree->syms[i] = get_bits(gb, 4);
00248 tmp1[tree->syms[i]] = 1;
00249 }
00250 for (i = 0; i < 16 && len < 16 - 1; i++)
00251 if (!tmp1[i])
00252 tree->syms[++len] = i;
00253 } else {
00254 len = get_bits(gb, 2);
00255 for (i = 0; i < 16; i++)
00256 in[i] = i;
00257 for (i = 0; i <= len; i++) {
00258 int size = 1 << i;
00259 for (t = 0; t < 16; t += size << 1)
00260 merge(gb, out + t, in + t, size);
00261 FFSWAP(uint8_t*, in, out);
00262 }
00263 memcpy(tree->syms, in, 16);
00264 }
00265 }
00266
00274 static void read_bundle(GetBitContext *gb, BinkContext *c, int bundle_num)
00275 {
00276 int i;
00277
00278 if (bundle_num == BINK_SRC_COLORS) {
00279 for (i = 0; i < 16; i++)
00280 read_tree(gb, &c->col_high[i]);
00281 c->col_lastval = 0;
00282 }
00283 if (bundle_num != BINK_SRC_INTRA_DC && bundle_num != BINK_SRC_INTER_DC)
00284 read_tree(gb, &c->bundle[bundle_num].tree);
00285 c->bundle[bundle_num].cur_dec =
00286 c->bundle[bundle_num].cur_ptr = c->bundle[bundle_num].data;
00287 }
00288
00296 #define CHECK_READ_VAL(gb, b, t) \
00297 if (!b->cur_dec || (b->cur_dec > b->cur_ptr)) \
00298 return 0; \
00299 t = get_bits(gb, b->len); \
00300 if (!t) { \
00301 b->cur_dec = NULL; \
00302 return 0; \
00303 } \
00304
00305 static int read_runs(AVCodecContext *avctx, GetBitContext *gb, Bundle *b)
00306 {
00307 int t, v;
00308 const uint8_t *dec_end;
00309
00310 CHECK_READ_VAL(gb, b, t);
00311 dec_end = b->cur_dec + t;
00312 if (dec_end > b->data_end) {
00313 av_log(avctx, AV_LOG_ERROR, "Run value went out of bounds\n");
00314 return -1;
00315 }
00316 if (get_bits1(gb)) {
00317 v = get_bits(gb, 4);
00318 memset(b->cur_dec, v, t);
00319 b->cur_dec += t;
00320 } else {
00321 while (b->cur_dec < dec_end)
00322 *b->cur_dec++ = GET_HUFF(gb, b->tree);
00323 }
00324 return 0;
00325 }
00326
00327 static int read_motion_values(AVCodecContext *avctx, GetBitContext *gb, Bundle *b)
00328 {
00329 int t, sign, v;
00330 const uint8_t *dec_end;
00331
00332 CHECK_READ_VAL(gb, b, t);
00333 dec_end = b->cur_dec + t;
00334 if (dec_end > b->data_end) {
00335 av_log(avctx, AV_LOG_ERROR, "Too many motion values\n");
00336 return -1;
00337 }
00338 if (get_bits1(gb)) {
00339 v = get_bits(gb, 4);
00340 if (v) {
00341 sign = -get_bits1(gb);
00342 v = (v ^ sign) - sign;
00343 }
00344 memset(b->cur_dec, v, t);
00345 b->cur_dec += t;
00346 } else {
00347 while (b->cur_dec < dec_end) {
00348 v = GET_HUFF(gb, b->tree);
00349 if (v) {
00350 sign = -get_bits1(gb);
00351 v = (v ^ sign) - sign;
00352 }
00353 *b->cur_dec++ = v;
00354 }
00355 }
00356 return 0;
00357 }
00358
00359 static const uint8_t bink_rlelens[4] = { 4, 8, 12, 32 };
00360
00361 static int read_block_types(AVCodecContext *avctx, GetBitContext *gb, Bundle *b)
00362 {
00363 int t, v;
00364 int last = 0;
00365 const uint8_t *dec_end;
00366
00367 CHECK_READ_VAL(gb, b, t);
00368 dec_end = b->cur_dec + t;
00369 if (dec_end > b->data_end) {
00370 av_log(avctx, AV_LOG_ERROR, "Too many block type values\n");
00371 return -1;
00372 }
00373 if (get_bits1(gb)) {
00374 v = get_bits(gb, 4);
00375 memset(b->cur_dec, v, t);
00376 b->cur_dec += t;
00377 } else {
00378 while (b->cur_dec < dec_end) {
00379 v = GET_HUFF(gb, b->tree);
00380 if (v < 12) {
00381 last = v;
00382 *b->cur_dec++ = v;
00383 } else {
00384 int run = bink_rlelens[v - 12];
00385
00386 if (dec_end - b->cur_dec < run)
00387 return -1;
00388 memset(b->cur_dec, last, run);
00389 b->cur_dec += run;
00390 }
00391 }
00392 }
00393 return 0;
00394 }
00395
00396 static int read_patterns(AVCodecContext *avctx, GetBitContext *gb, Bundle *b)
00397 {
00398 int t, v;
00399 const uint8_t *dec_end;
00400
00401 CHECK_READ_VAL(gb, b, t);
00402 dec_end = b->cur_dec + t;
00403 if (dec_end > b->data_end) {
00404 av_log(avctx, AV_LOG_ERROR, "Too many pattern values\n");
00405 return -1;
00406 }
00407 while (b->cur_dec < dec_end) {
00408 v = GET_HUFF(gb, b->tree);
00409 v |= GET_HUFF(gb, b->tree) << 4;
00410 *b->cur_dec++ = v;
00411 }
00412
00413 return 0;
00414 }
00415
00416 static int read_colors(GetBitContext *gb, Bundle *b, BinkContext *c)
00417 {
00418 int t, sign, v;
00419 const uint8_t *dec_end;
00420
00421 CHECK_READ_VAL(gb, b, t);
00422 dec_end = b->cur_dec + t;
00423 if (dec_end > b->data_end) {
00424 av_log(c->avctx, AV_LOG_ERROR, "Too many color values\n");
00425 return -1;
00426 }
00427 if (get_bits1(gb)) {
00428 c->col_lastval = GET_HUFF(gb, c->col_high[c->col_lastval]);
00429 v = GET_HUFF(gb, b->tree);
00430 v = (c->col_lastval << 4) | v;
00431 if (c->version < 'i') {
00432 sign = ((int8_t) v) >> 7;
00433 v = ((v & 0x7F) ^ sign) - sign;
00434 v += 0x80;
00435 }
00436 memset(b->cur_dec, v, t);
00437 b->cur_dec += t;
00438 } else {
00439 while (b->cur_dec < dec_end) {
00440 c->col_lastval = GET_HUFF(gb, c->col_high[c->col_lastval]);
00441 v = GET_HUFF(gb, b->tree);
00442 v = (c->col_lastval << 4) | v;
00443 if (c->version < 'i') {
00444 sign = ((int8_t) v) >> 7;
00445 v = ((v & 0x7F) ^ sign) - sign;
00446 v += 0x80;
00447 }
00448 *b->cur_dec++ = v;
00449 }
00450 }
00451 return 0;
00452 }
00453
00455 #define DC_START_BITS 11
00456
00457 static int read_dcs(AVCodecContext *avctx, GetBitContext *gb, Bundle *b,
00458 int start_bits, int has_sign)
00459 {
00460 int i, j, len, len2, bsize, sign, v, v2;
00461 int16_t *dst = (int16_t*)b->cur_dec;
00462 int16_t *dst_end = (int16_t*)b->data_end;
00463
00464 CHECK_READ_VAL(gb, b, len);
00465 v = get_bits(gb, start_bits - has_sign);
00466 if (v && has_sign) {
00467 sign = -get_bits1(gb);
00468 v = (v ^ sign) - sign;
00469 }
00470 if (dst_end - dst < 1)
00471 return -1;
00472 *dst++ = v;
00473 len--;
00474 for (i = 0; i < len; i += 8) {
00475 len2 = FFMIN(len - i, 8);
00476 if (dst_end - dst < len2)
00477 return -1;
00478 bsize = get_bits(gb, 4);
00479 if (bsize) {
00480 for (j = 0; j < len2; j++) {
00481 v2 = get_bits(gb, bsize);
00482 if (v2) {
00483 sign = -get_bits1(gb);
00484 v2 = (v2 ^ sign) - sign;
00485 }
00486 v += v2;
00487 *dst++ = v;
00488 if (v < -32768 || v > 32767) {
00489 av_log(avctx, AV_LOG_ERROR, "DC value went out of bounds: %d\n", v);
00490 return -1;
00491 }
00492 }
00493 } else {
00494 for (j = 0; j < len2; j++)
00495 *dst++ = v;
00496 }
00497 }
00498
00499 b->cur_dec = (uint8_t*)dst;
00500 return 0;
00501 }
00502
00509 static inline int get_value(BinkContext *c, int bundle)
00510 {
00511 int ret;
00512
00513 if (bundle < BINK_SRC_X_OFF || bundle == BINK_SRC_RUN)
00514 return *c->bundle[bundle].cur_ptr++;
00515 if (bundle == BINK_SRC_X_OFF || bundle == BINK_SRC_Y_OFF)
00516 return (int8_t)*c->bundle[bundle].cur_ptr++;
00517 ret = *(int16_t*)c->bundle[bundle].cur_ptr;
00518 c->bundle[bundle].cur_ptr += 2;
00519 return ret;
00520 }
00521
00522 static void binkb_init_bundle(BinkContext *c, int bundle_num)
00523 {
00524 c->bundle[bundle_num].cur_dec =
00525 c->bundle[bundle_num].cur_ptr = c->bundle[bundle_num].data;
00526 c->bundle[bundle_num].len = 13;
00527 }
00528
00529 static void binkb_init_bundles(BinkContext *c)
00530 {
00531 int i;
00532 for (i = 0; i < BINKB_NB_SRC; i++)
00533 binkb_init_bundle(c, i);
00534 }
00535
00536 static int binkb_read_bundle(BinkContext *c, GetBitContext *gb, int bundle_num)
00537 {
00538 const int bits = binkb_bundle_sizes[bundle_num];
00539 const int mask = 1 << (bits - 1);
00540 const int issigned = binkb_bundle_signed[bundle_num];
00541 Bundle *b = &c->bundle[bundle_num];
00542 int i, len;
00543
00544 CHECK_READ_VAL(gb, b, len);
00545 if (b->data_end - b->cur_dec < len * (1 + (bits > 8)))
00546 return -1;
00547 if (bits <= 8) {
00548 if (!issigned) {
00549 for (i = 0; i < len; i++)
00550 *b->cur_dec++ = get_bits(gb, bits);
00551 } else {
00552 for (i = 0; i < len; i++)
00553 *b->cur_dec++ = get_bits(gb, bits) - mask;
00554 }
00555 } else {
00556 int16_t *dst = (int16_t*)b->cur_dec;
00557
00558 if (!issigned) {
00559 for (i = 0; i < len; i++)
00560 *dst++ = get_bits(gb, bits);
00561 } else {
00562 for (i = 0; i < len; i++)
00563 *dst++ = get_bits(gb, bits) - mask;
00564 }
00565 b->cur_dec = (uint8_t*)dst;
00566 }
00567 return 0;
00568 }
00569
00570 static inline int binkb_get_value(BinkContext *c, int bundle_num)
00571 {
00572 int16_t ret;
00573 const int bits = binkb_bundle_sizes[bundle_num];
00574
00575 if (bits <= 8) {
00576 int val = *c->bundle[bundle_num].cur_ptr++;
00577 return binkb_bundle_signed[bundle_num] ? (int8_t)val : val;
00578 }
00579 ret = *(int16_t*)c->bundle[bundle_num].cur_ptr;
00580 c->bundle[bundle_num].cur_ptr += 2;
00581 return ret;
00582 }
00583
00593 static int read_dct_coeffs(GetBitContext *gb, int32_t block[64], const uint8_t *scan,
00594 const int32_t quant_matrices[16][64], int q)
00595 {
00596 int coef_list[128];
00597 int mode_list[128];
00598 int i, t, bits, ccoef, mode, sign;
00599 int list_start = 64, list_end = 64, list_pos;
00600 int coef_count = 0;
00601 int coef_idx[64];
00602 int quant_idx;
00603 const int32_t *quant;
00604
00605 coef_list[list_end] = 4; mode_list[list_end++] = 0;
00606 coef_list[list_end] = 24; mode_list[list_end++] = 0;
00607 coef_list[list_end] = 44; mode_list[list_end++] = 0;
00608 coef_list[list_end] = 1; mode_list[list_end++] = 3;
00609 coef_list[list_end] = 2; mode_list[list_end++] = 3;
00610 coef_list[list_end] = 3; mode_list[list_end++] = 3;
00611
00612 for (bits = get_bits(gb, 4) - 1; bits >= 0; bits--) {
00613 list_pos = list_start;
00614 while (list_pos < list_end) {
00615 if (!(mode_list[list_pos] | coef_list[list_pos]) || !get_bits1(gb)) {
00616 list_pos++;
00617 continue;
00618 }
00619 ccoef = coef_list[list_pos];
00620 mode = mode_list[list_pos];
00621 switch (mode) {
00622 case 0:
00623 coef_list[list_pos] = ccoef + 4;
00624 mode_list[list_pos] = 1;
00625 case 2:
00626 if (mode == 2) {
00627 coef_list[list_pos] = 0;
00628 mode_list[list_pos++] = 0;
00629 }
00630 for (i = 0; i < 4; i++, ccoef++) {
00631 if (get_bits1(gb)) {
00632 coef_list[--list_start] = ccoef;
00633 mode_list[ list_start] = 3;
00634 } else {
00635 if (!bits) {
00636 t = 1 - (get_bits1(gb) << 1);
00637 } else {
00638 t = get_bits(gb, bits) | 1 << bits;
00639 sign = -get_bits1(gb);
00640 t = (t ^ sign) - sign;
00641 }
00642 block[scan[ccoef]] = t;
00643 coef_idx[coef_count++] = ccoef;
00644 }
00645 }
00646 break;
00647 case 1:
00648 mode_list[list_pos] = 2;
00649 for (i = 0; i < 3; i++) {
00650 ccoef += 4;
00651 coef_list[list_end] = ccoef;
00652 mode_list[list_end++] = 2;
00653 }
00654 break;
00655 case 3:
00656 if (!bits) {
00657 t = 1 - (get_bits1(gb) << 1);
00658 } else {
00659 t = get_bits(gb, bits) | 1 << bits;
00660 sign = -get_bits1(gb);
00661 t = (t ^ sign) - sign;
00662 }
00663 block[scan[ccoef]] = t;
00664 coef_idx[coef_count++] = ccoef;
00665 coef_list[list_pos] = 0;
00666 mode_list[list_pos++] = 0;
00667 break;
00668 }
00669 }
00670 }
00671
00672 if (q == -1) {
00673 quant_idx = get_bits(gb, 4);
00674 } else {
00675 quant_idx = q;
00676 }
00677
00678 if (quant_idx >= 16)
00679 return AVERROR_INVALIDDATA;
00680
00681 quant = quant_matrices[quant_idx];
00682
00683 block[0] = (block[0] * quant[0]) >> 11;
00684 for (i = 0; i < coef_count; i++) {
00685 int idx = coef_idx[i];
00686 block[scan[idx]] = (block[scan[idx]] * quant[idx]) >> 11;
00687 }
00688
00689 return 0;
00690 }
00691
00700 static int read_residue(GetBitContext *gb, DCTELEM block[64], int masks_count)
00701 {
00702 int coef_list[128];
00703 int mode_list[128];
00704 int i, sign, mask, ccoef, mode;
00705 int list_start = 64, list_end = 64, list_pos;
00706 int nz_coeff[64];
00707 int nz_coeff_count = 0;
00708
00709 coef_list[list_end] = 4; mode_list[list_end++] = 0;
00710 coef_list[list_end] = 24; mode_list[list_end++] = 0;
00711 coef_list[list_end] = 44; mode_list[list_end++] = 0;
00712 coef_list[list_end] = 0; mode_list[list_end++] = 2;
00713
00714 for (mask = 1 << get_bits(gb, 3); mask; mask >>= 1) {
00715 for (i = 0; i < nz_coeff_count; i++) {
00716 if (!get_bits1(gb))
00717 continue;
00718 if (block[nz_coeff[i]] < 0)
00719 block[nz_coeff[i]] -= mask;
00720 else
00721 block[nz_coeff[i]] += mask;
00722 masks_count--;
00723 if (masks_count < 0)
00724 return 0;
00725 }
00726 list_pos = list_start;
00727 while (list_pos < list_end) {
00728 if (!(coef_list[list_pos] | mode_list[list_pos]) || !get_bits1(gb)) {
00729 list_pos++;
00730 continue;
00731 }
00732 ccoef = coef_list[list_pos];
00733 mode = mode_list[list_pos];
00734 switch (mode) {
00735 case 0:
00736 coef_list[list_pos] = ccoef + 4;
00737 mode_list[list_pos] = 1;
00738 case 2:
00739 if (mode == 2) {
00740 coef_list[list_pos] = 0;
00741 mode_list[list_pos++] = 0;
00742 }
00743 for (i = 0; i < 4; i++, ccoef++) {
00744 if (get_bits1(gb)) {
00745 coef_list[--list_start] = ccoef;
00746 mode_list[ list_start] = 3;
00747 } else {
00748 nz_coeff[nz_coeff_count++] = bink_scan[ccoef];
00749 sign = -get_bits1(gb);
00750 block[bink_scan[ccoef]] = (mask ^ sign) - sign;
00751 masks_count--;
00752 if (masks_count < 0)
00753 return 0;
00754 }
00755 }
00756 break;
00757 case 1:
00758 mode_list[list_pos] = 2;
00759 for (i = 0; i < 3; i++) {
00760 ccoef += 4;
00761 coef_list[list_end] = ccoef;
00762 mode_list[list_end++] = 2;
00763 }
00764 break;
00765 case 3:
00766 nz_coeff[nz_coeff_count++] = bink_scan[ccoef];
00767 sign = -get_bits1(gb);
00768 block[bink_scan[ccoef]] = (mask ^ sign) - sign;
00769 coef_list[list_pos] = 0;
00770 mode_list[list_pos++] = 0;
00771 masks_count--;
00772 if (masks_count < 0)
00773 return 0;
00774 break;
00775 }
00776 }
00777 }
00778
00779 return 0;
00780 }
00781
00785 static inline void put_pixels8x8_overlapped(uint8_t *dst, uint8_t *src, int stride)
00786 {
00787 uint8_t tmp[64];
00788 int i;
00789 for (i = 0; i < 8; i++)
00790 memcpy(tmp + i*8, src + i*stride, 8);
00791 for (i = 0; i < 8; i++)
00792 memcpy(dst + i*stride, tmp + i*8, 8);
00793 }
00794
00795 static int binkb_decode_plane(BinkContext *c, GetBitContext *gb, int plane_idx,
00796 int is_key, int is_chroma)
00797 {
00798 int blk;
00799 int i, j, bx, by;
00800 uint8_t *dst, *ref, *ref_start, *ref_end;
00801 int v, col[2];
00802 const uint8_t *scan;
00803 int xoff, yoff;
00804 LOCAL_ALIGNED_16(DCTELEM, block, [64]);
00805 LOCAL_ALIGNED_16(int32_t, dctblock, [64]);
00806 int coordmap[64];
00807 int ybias = is_key ? -15 : 0;
00808 int qp;
00809
00810 const int stride = c->pic.linesize[plane_idx];
00811 int bw = is_chroma ? (c->avctx->width + 15) >> 4 : (c->avctx->width + 7) >> 3;
00812 int bh = is_chroma ? (c->avctx->height + 15) >> 4 : (c->avctx->height + 7) >> 3;
00813
00814 binkb_init_bundles(c);
00815 ref_start = c->pic.data[plane_idx];
00816 ref_end = c->pic.data[plane_idx] + (bh * c->pic.linesize[plane_idx] + bw) * 8;
00817
00818 for (i = 0; i < 64; i++)
00819 coordmap[i] = (i & 7) + (i >> 3) * stride;
00820
00821 for (by = 0; by < bh; by++) {
00822 for (i = 0; i < BINKB_NB_SRC; i++) {
00823 if (binkb_read_bundle(c, gb, i) < 0)
00824 return -1;
00825 }
00826
00827 dst = c->pic.data[plane_idx] + 8*by*stride;
00828 for (bx = 0; bx < bw; bx++, dst += 8) {
00829 blk = binkb_get_value(c, BINKB_SRC_BLOCK_TYPES);
00830 switch (blk) {
00831 case 0:
00832 break;
00833 case 1:
00834 scan = bink_patterns[get_bits(gb, 4)];
00835 i = 0;
00836 do {
00837 int mode, run;
00838
00839 mode = get_bits1(gb);
00840 run = get_bits(gb, binkb_runbits[i]) + 1;
00841
00842 i += run;
00843 if (i > 64) {
00844 av_log(c->avctx, AV_LOG_ERROR, "Run went out of bounds\n");
00845 return -1;
00846 }
00847 if (mode) {
00848 v = binkb_get_value(c, BINKB_SRC_COLORS);
00849 for (j = 0; j < run; j++)
00850 dst[coordmap[*scan++]] = v;
00851 } else {
00852 for (j = 0; j < run; j++)
00853 dst[coordmap[*scan++]] = binkb_get_value(c, BINKB_SRC_COLORS);
00854 }
00855 } while (i < 63);
00856 if (i == 63)
00857 dst[coordmap[*scan++]] = binkb_get_value(c, BINKB_SRC_COLORS);
00858 break;
00859 case 2:
00860 memset(dctblock, 0, sizeof(*dctblock) * 64);
00861 dctblock[0] = binkb_get_value(c, BINKB_SRC_INTRA_DC);
00862 qp = binkb_get_value(c, BINKB_SRC_INTRA_Q);
00863 read_dct_coeffs(gb, dctblock, bink_scan, binkb_intra_quant, qp);
00864 c->bdsp.idct_put(dst, stride, dctblock);
00865 break;
00866 case 3:
00867 xoff = binkb_get_value(c, BINKB_SRC_X_OFF);
00868 yoff = binkb_get_value(c, BINKB_SRC_Y_OFF) + ybias;
00869 ref = dst + xoff + yoff * stride;
00870 if (ref < ref_start || ref + 8*stride > ref_end) {
00871 av_log(c->avctx, AV_LOG_WARNING, "Reference block is out of bounds\n");
00872 } else if (ref + 8*stride < dst || ref >= dst + 8*stride) {
00873 c->dsp.put_pixels_tab[1][0](dst, ref, stride, 8);
00874 } else {
00875 put_pixels8x8_overlapped(dst, ref, stride);
00876 }
00877 c->dsp.clear_block(block);
00878 v = binkb_get_value(c, BINKB_SRC_INTER_COEFS);
00879 read_residue(gb, block, v);
00880 c->dsp.add_pixels8(dst, block, stride);
00881 break;
00882 case 4:
00883 xoff = binkb_get_value(c, BINKB_SRC_X_OFF);
00884 yoff = binkb_get_value(c, BINKB_SRC_Y_OFF) + ybias;
00885 ref = dst + xoff + yoff * stride;
00886 if (ref < ref_start || ref + 8 * stride > ref_end) {
00887 av_log(c->avctx, AV_LOG_WARNING, "Reference block is out of bounds\n");
00888 } else if (ref + 8*stride < dst || ref >= dst + 8*stride) {
00889 c->dsp.put_pixels_tab[1][0](dst, ref, stride, 8);
00890 } else {
00891 put_pixels8x8_overlapped(dst, ref, stride);
00892 }
00893 memset(dctblock, 0, sizeof(*dctblock) * 64);
00894 dctblock[0] = binkb_get_value(c, BINKB_SRC_INTER_DC);
00895 qp = binkb_get_value(c, BINKB_SRC_INTER_Q);
00896 read_dct_coeffs(gb, dctblock, bink_scan, binkb_inter_quant, qp);
00897 c->bdsp.idct_add(dst, stride, dctblock);
00898 break;
00899 case 5:
00900 v = binkb_get_value(c, BINKB_SRC_COLORS);
00901 c->dsp.fill_block_tab[1](dst, v, stride, 8);
00902 break;
00903 case 6:
00904 for (i = 0; i < 2; i++)
00905 col[i] = binkb_get_value(c, BINKB_SRC_COLORS);
00906 for (i = 0; i < 8; i++) {
00907 v = binkb_get_value(c, BINKB_SRC_PATTERN);
00908 for (j = 0; j < 8; j++, v >>= 1)
00909 dst[i*stride + j] = col[v & 1];
00910 }
00911 break;
00912 case 7:
00913 xoff = binkb_get_value(c, BINKB_SRC_X_OFF);
00914 yoff = binkb_get_value(c, BINKB_SRC_Y_OFF) + ybias;
00915 ref = dst + xoff + yoff * stride;
00916 if (ref < ref_start || ref + 8 * stride > ref_end) {
00917 av_log(c->avctx, AV_LOG_WARNING, "Reference block is out of bounds\n");
00918 } else if (ref + 8*stride < dst || ref >= dst + 8*stride) {
00919 c->dsp.put_pixels_tab[1][0](dst, ref, stride, 8);
00920 } else {
00921 put_pixels8x8_overlapped(dst, ref, stride);
00922 }
00923 break;
00924 case 8:
00925 for (i = 0; i < 8; i++)
00926 memcpy(dst + i*stride, c->bundle[BINKB_SRC_COLORS].cur_ptr + i*8, 8);
00927 c->bundle[BINKB_SRC_COLORS].cur_ptr += 64;
00928 break;
00929 default:
00930 av_log(c->avctx, AV_LOG_ERROR, "Unknown block type %d\n", blk);
00931 return -1;
00932 }
00933 }
00934 }
00935 if (get_bits_count(gb) & 0x1F)
00936 skip_bits_long(gb, 32 - (get_bits_count(gb) & 0x1F));
00937
00938 return 0;
00939 }
00940
00941 static int bink_decode_plane(BinkContext *c, GetBitContext *gb, int plane_idx,
00942 int is_chroma)
00943 {
00944 int blk;
00945 int i, j, bx, by;
00946 uint8_t *dst, *prev, *ref, *ref_start, *ref_end;
00947 int v, col[2];
00948 const uint8_t *scan;
00949 int xoff, yoff;
00950 LOCAL_ALIGNED_16(DCTELEM, block, [64]);
00951 LOCAL_ALIGNED_16(uint8_t, ublock, [64]);
00952 LOCAL_ALIGNED_16(int32_t, dctblock, [64]);
00953 int coordmap[64];
00954
00955 const int stride = c->pic.linesize[plane_idx];
00956 int bw = is_chroma ? (c->avctx->width + 15) >> 4 : (c->avctx->width + 7) >> 3;
00957 int bh = is_chroma ? (c->avctx->height + 15) >> 4 : (c->avctx->height + 7) >> 3;
00958 int width = c->avctx->width >> is_chroma;
00959
00960 init_lengths(c, FFMAX(width, 8), bw);
00961 for (i = 0; i < BINK_NB_SRC; i++)
00962 read_bundle(gb, c, i);
00963
00964 ref_start = c->last.data[plane_idx] ? c->last.data[plane_idx]
00965 : c->pic.data[plane_idx];
00966 ref_end = ref_start
00967 + (bw - 1 + c->last.linesize[plane_idx] * (bh - 1)) * 8;
00968
00969 for (i = 0; i < 64; i++)
00970 coordmap[i] = (i & 7) + (i >> 3) * stride;
00971
00972 for (by = 0; by < bh; by++) {
00973 if (read_block_types(c->avctx, gb, &c->bundle[BINK_SRC_BLOCK_TYPES]) < 0)
00974 return -1;
00975 if (read_block_types(c->avctx, gb, &c->bundle[BINK_SRC_SUB_BLOCK_TYPES]) < 0)
00976 return -1;
00977 if (read_colors(gb, &c->bundle[BINK_SRC_COLORS], c) < 0)
00978 return -1;
00979 if (read_patterns(c->avctx, gb, &c->bundle[BINK_SRC_PATTERN]) < 0)
00980 return -1;
00981 if (read_motion_values(c->avctx, gb, &c->bundle[BINK_SRC_X_OFF]) < 0)
00982 return -1;
00983 if (read_motion_values(c->avctx, gb, &c->bundle[BINK_SRC_Y_OFF]) < 0)
00984 return -1;
00985 if (read_dcs(c->avctx, gb, &c->bundle[BINK_SRC_INTRA_DC], DC_START_BITS, 0) < 0)
00986 return -1;
00987 if (read_dcs(c->avctx, gb, &c->bundle[BINK_SRC_INTER_DC], DC_START_BITS, 1) < 0)
00988 return -1;
00989 if (read_runs(c->avctx, gb, &c->bundle[BINK_SRC_RUN]) < 0)
00990 return -1;
00991
00992 if (by == bh)
00993 break;
00994 dst = c->pic.data[plane_idx] + 8*by*stride;
00995 prev = (c->last.data[plane_idx] ? c->last.data[plane_idx]
00996 : c->pic.data[plane_idx]) + 8*by*stride;
00997 for (bx = 0; bx < bw; bx++, dst += 8, prev += 8) {
00998 blk = get_value(c, BINK_SRC_BLOCK_TYPES);
00999
01000 if ((by & 1) && blk == SCALED_BLOCK) {
01001 bx++;
01002 dst += 8;
01003 prev += 8;
01004 continue;
01005 }
01006 switch (blk) {
01007 case SKIP_BLOCK:
01008 c->dsp.put_pixels_tab[1][0](dst, prev, stride, 8);
01009 break;
01010 case SCALED_BLOCK:
01011 blk = get_value(c, BINK_SRC_SUB_BLOCK_TYPES);
01012 switch (blk) {
01013 case RUN_BLOCK:
01014 scan = bink_patterns[get_bits(gb, 4)];
01015 i = 0;
01016 do {
01017 int run = get_value(c, BINK_SRC_RUN) + 1;
01018
01019 i += run;
01020 if (i > 64) {
01021 av_log(c->avctx, AV_LOG_ERROR, "Run went out of bounds\n");
01022 return -1;
01023 }
01024 if (get_bits1(gb)) {
01025 v = get_value(c, BINK_SRC_COLORS);
01026 for (j = 0; j < run; j++)
01027 ublock[*scan++] = v;
01028 } else {
01029 for (j = 0; j < run; j++)
01030 ublock[*scan++] = get_value(c, BINK_SRC_COLORS);
01031 }
01032 } while (i < 63);
01033 if (i == 63)
01034 ublock[*scan++] = get_value(c, BINK_SRC_COLORS);
01035 break;
01036 case INTRA_BLOCK:
01037 memset(dctblock, 0, sizeof(*dctblock) * 64);
01038 dctblock[0] = get_value(c, BINK_SRC_INTRA_DC);
01039 read_dct_coeffs(gb, dctblock, bink_scan, bink_intra_quant, -1);
01040 c->bdsp.idct_put(ublock, 8, dctblock);
01041 break;
01042 case FILL_BLOCK:
01043 v = get_value(c, BINK_SRC_COLORS);
01044 c->dsp.fill_block_tab[0](dst, v, stride, 16);
01045 break;
01046 case PATTERN_BLOCK:
01047 for (i = 0; i < 2; i++)
01048 col[i] = get_value(c, BINK_SRC_COLORS);
01049 for (j = 0; j < 8; j++) {
01050 v = get_value(c, BINK_SRC_PATTERN);
01051 for (i = 0; i < 8; i++, v >>= 1)
01052 ublock[i + j*8] = col[v & 1];
01053 }
01054 break;
01055 case RAW_BLOCK:
01056 for (j = 0; j < 8; j++)
01057 for (i = 0; i < 8; i++)
01058 ublock[i + j*8] = get_value(c, BINK_SRC_COLORS);
01059 break;
01060 default:
01061 av_log(c->avctx, AV_LOG_ERROR, "Incorrect 16x16 block type %d\n", blk);
01062 return -1;
01063 }
01064 if (blk != FILL_BLOCK)
01065 c->bdsp.scale_block(ublock, dst, stride);
01066 bx++;
01067 dst += 8;
01068 prev += 8;
01069 break;
01070 case MOTION_BLOCK:
01071 xoff = get_value(c, BINK_SRC_X_OFF);
01072 yoff = get_value(c, BINK_SRC_Y_OFF);
01073 ref = prev + xoff + yoff * stride;
01074 if (ref < ref_start || ref > ref_end) {
01075 av_log(c->avctx, AV_LOG_ERROR, "Copy out of bounds @%d, %d\n",
01076 bx*8 + xoff, by*8 + yoff);
01077 return -1;
01078 }
01079 c->dsp.put_pixels_tab[1][0](dst, ref, stride, 8);
01080 break;
01081 case RUN_BLOCK:
01082 scan = bink_patterns[get_bits(gb, 4)];
01083 i = 0;
01084 do {
01085 int run = get_value(c, BINK_SRC_RUN) + 1;
01086
01087 i += run;
01088 if (i > 64) {
01089 av_log(c->avctx, AV_LOG_ERROR, "Run went out of bounds\n");
01090 return -1;
01091 }
01092 if (get_bits1(gb)) {
01093 v = get_value(c, BINK_SRC_COLORS);
01094 for (j = 0; j < run; j++)
01095 dst[coordmap[*scan++]] = v;
01096 } else {
01097 for (j = 0; j < run; j++)
01098 dst[coordmap[*scan++]] = get_value(c, BINK_SRC_COLORS);
01099 }
01100 } while (i < 63);
01101 if (i == 63)
01102 dst[coordmap[*scan++]] = get_value(c, BINK_SRC_COLORS);
01103 break;
01104 case RESIDUE_BLOCK:
01105 xoff = get_value(c, BINK_SRC_X_OFF);
01106 yoff = get_value(c, BINK_SRC_Y_OFF);
01107 ref = prev + xoff + yoff * stride;
01108 if (ref < ref_start || ref > ref_end) {
01109 av_log(c->avctx, AV_LOG_ERROR, "Copy out of bounds @%d, %d\n",
01110 bx*8 + xoff, by*8 + yoff);
01111 return -1;
01112 }
01113 c->dsp.put_pixels_tab[1][0](dst, ref, stride, 8);
01114 c->dsp.clear_block(block);
01115 v = get_bits(gb, 7);
01116 read_residue(gb, block, v);
01117 c->dsp.add_pixels8(dst, block, stride);
01118 break;
01119 case INTRA_BLOCK:
01120 memset(dctblock, 0, sizeof(*dctblock) * 64);
01121 dctblock[0] = get_value(c, BINK_SRC_INTRA_DC);
01122 read_dct_coeffs(gb, dctblock, bink_scan, bink_intra_quant, -1);
01123 c->bdsp.idct_put(dst, stride, dctblock);
01124 break;
01125 case FILL_BLOCK:
01126 v = get_value(c, BINK_SRC_COLORS);
01127 c->dsp.fill_block_tab[1](dst, v, stride, 8);
01128 break;
01129 case INTER_BLOCK:
01130 xoff = get_value(c, BINK_SRC_X_OFF);
01131 yoff = get_value(c, BINK_SRC_Y_OFF);
01132 ref = prev + xoff + yoff * stride;
01133 c->dsp.put_pixels_tab[1][0](dst, ref, stride, 8);
01134 memset(dctblock, 0, sizeof(*dctblock) * 64);
01135 dctblock[0] = get_value(c, BINK_SRC_INTER_DC);
01136 read_dct_coeffs(gb, dctblock, bink_scan, bink_inter_quant, -1);
01137 c->bdsp.idct_add(dst, stride, dctblock);
01138 break;
01139 case PATTERN_BLOCK:
01140 for (i = 0; i < 2; i++)
01141 col[i] = get_value(c, BINK_SRC_COLORS);
01142 for (i = 0; i < 8; i++) {
01143 v = get_value(c, BINK_SRC_PATTERN);
01144 for (j = 0; j < 8; j++, v >>= 1)
01145 dst[i*stride + j] = col[v & 1];
01146 }
01147 break;
01148 case RAW_BLOCK:
01149 for (i = 0; i < 8; i++)
01150 memcpy(dst + i*stride, c->bundle[BINK_SRC_COLORS].cur_ptr + i*8, 8);
01151 c->bundle[BINK_SRC_COLORS].cur_ptr += 64;
01152 break;
01153 default:
01154 av_log(c->avctx, AV_LOG_ERROR, "Unknown block type %d\n", blk);
01155 return -1;
01156 }
01157 }
01158 }
01159 if (get_bits_count(gb) & 0x1F)
01160 skip_bits_long(gb, 32 - (get_bits_count(gb) & 0x1F));
01161
01162 return 0;
01163 }
01164
01165 static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *pkt)
01166 {
01167 BinkContext * const c = avctx->priv_data;
01168 GetBitContext gb;
01169 int plane, plane_idx;
01170 int bits_count = pkt->size << 3;
01171
01172 if (c->version > 'b') {
01173 if(c->pic.data[0])
01174 avctx->release_buffer(avctx, &c->pic);
01175
01176 if(avctx->get_buffer(avctx, &c->pic) < 0){
01177 av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
01178 return -1;
01179 }
01180 } else {
01181 if(avctx->reget_buffer(avctx, &c->pic) < 0){
01182 av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
01183 return -1;
01184 }
01185 }
01186
01187 init_get_bits(&gb, pkt->data, bits_count);
01188 if (c->has_alpha) {
01189 if (c->version >= 'i')
01190 skip_bits_long(&gb, 32);
01191 if (bink_decode_plane(c, &gb, 3, 0) < 0)
01192 return -1;
01193 }
01194 if (c->version >= 'i')
01195 skip_bits_long(&gb, 32);
01196
01197 for (plane = 0; plane < 3; plane++) {
01198 plane_idx = (!plane || !c->swap_planes) ? plane : (plane ^ 3);
01199
01200 if (c->version > 'b') {
01201 if (bink_decode_plane(c, &gb, plane_idx, !!plane) < 0)
01202 return -1;
01203 } else {
01204 if (binkb_decode_plane(c, &gb, plane_idx, !pkt->pts, !!plane) < 0)
01205 return -1;
01206 }
01207 if (get_bits_count(&gb) >= bits_count)
01208 break;
01209 }
01210 emms_c();
01211
01212 *data_size = sizeof(AVFrame);
01213 *(AVFrame*)data = c->pic;
01214
01215 if (c->version > 'b')
01216 FFSWAP(AVFrame, c->pic, c->last);
01217
01218
01219 return pkt->size;
01220 }
01221
01225 static av_cold void binkb_calc_quant(void)
01226 {
01227 uint8_t inv_bink_scan[64];
01228 double s[64];
01229 int i, j;
01230
01231 for (j = 0; j < 8; j++) {
01232 for (i = 0; i < 8; i++) {
01233 if (j && j != 4)
01234 if (i && i != 4)
01235 s[j*8 + i] = cos(j * M_PI/16.0) * cos(i * M_PI/16.0) * 2.0;
01236 else
01237 s[j*8 + i] = cos(j * M_PI/16.0) * sqrt(2.0);
01238 else
01239 if (i && i != 4)
01240 s[j*8 + i] = cos(i * M_PI/16.0) * sqrt(2.0);
01241 else
01242 s[j*8 + i] = 1.0;
01243 }
01244 }
01245
01246 for (i = 0; i < 64; i++)
01247 inv_bink_scan[bink_scan[i]] = i;
01248
01249 for (j = 0; j < 16; j++) {
01250 for (i = 0; i < 64; i++) {
01251 int k = inv_bink_scan[i];
01252 if (s[i] == 1.0) {
01253 binkb_intra_quant[j][k] = (1L << 12) * binkb_intra_seed[i] *
01254 binkb_num[j]/binkb_den[j];
01255 binkb_inter_quant[j][k] = (1L << 12) * binkb_inter_seed[i] *
01256 binkb_num[j]/binkb_den[j];
01257 } else {
01258 binkb_intra_quant[j][k] = (1L << 12) * binkb_intra_seed[i] * s[i] *
01259 binkb_num[j]/(double)binkb_den[j];
01260 binkb_inter_quant[j][k] = (1L << 12) * binkb_inter_seed[i] * s[i] *
01261 binkb_num[j]/(double)binkb_den[j];
01262 }
01263 }
01264 }
01265 }
01266
01267 static av_cold int decode_init(AVCodecContext *avctx)
01268 {
01269 BinkContext * const c = avctx->priv_data;
01270 static VLC_TYPE table[16 * 128][2];
01271 static int binkb_initialised = 0;
01272 int i;
01273 int flags;
01274
01275 c->version = avctx->codec_tag >> 24;
01276 if (avctx->extradata_size < 4) {
01277 av_log(avctx, AV_LOG_ERROR, "Extradata missing or too short\n");
01278 return -1;
01279 }
01280 flags = AV_RL32(avctx->extradata);
01281 c->has_alpha = flags & BINK_FLAG_ALPHA;
01282 c->swap_planes = c->version >= 'h';
01283 if (!bink_trees[15].table) {
01284 for (i = 0; i < 16; i++) {
01285 const int maxbits = bink_tree_lens[i][15];
01286 bink_trees[i].table = table + i*128;
01287 bink_trees[i].table_allocated = 1 << maxbits;
01288 init_vlc(&bink_trees[i], maxbits, 16,
01289 bink_tree_lens[i], 1, 1,
01290 bink_tree_bits[i], 1, 1, INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
01291 }
01292 }
01293 c->avctx = avctx;
01294
01295 c->pic.data[0] = NULL;
01296
01297 if (av_image_check_size(avctx->width, avctx->height, 0, avctx) < 0) {
01298 return 1;
01299 }
01300
01301 avctx->pix_fmt = c->has_alpha ? PIX_FMT_YUVA420P : PIX_FMT_YUV420P;
01302
01303 avctx->idct_algo = FF_IDCT_BINK;
01304 dsputil_init(&c->dsp, avctx);
01305 ff_binkdsp_init(&c->bdsp);
01306
01307 init_bundles(c);
01308
01309 if (c->version == 'b') {
01310 if (!binkb_initialised) {
01311 binkb_calc_quant();
01312 binkb_initialised = 1;
01313 }
01314 }
01315
01316 return 0;
01317 }
01318
01319 static av_cold int decode_end(AVCodecContext *avctx)
01320 {
01321 BinkContext * const c = avctx->priv_data;
01322
01323 if (c->pic.data[0])
01324 avctx->release_buffer(avctx, &c->pic);
01325 if (c->last.data[0])
01326 avctx->release_buffer(avctx, &c->last);
01327
01328 free_bundles(c);
01329 return 0;
01330 }
01331
01332 AVCodec ff_bink_decoder = {
01333 .name = "binkvideo",
01334 .type = AVMEDIA_TYPE_VIDEO,
01335 .id = CODEC_ID_BINKVIDEO,
01336 .priv_data_size = sizeof(BinkContext),
01337 .init = decode_init,
01338 .close = decode_end,
01339 .decode = decode_frame,
01340 .long_name = NULL_IF_CONFIG_SMALL("Bink video"),
01341 };