2 * JPEG 2000 encoder and decoder common functions
3 * Copyright (c) 2007 Kamil Nowosad
4 * Copyright (c) 2013 Nicolas Bertrand <nicoinattendu@gmail.com>
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 * JPEG 2000 image encoder and decoder common functions
28 #include "libavutil/attributes.h"
29 #include "libavutil/avassert.h"
30 #include "libavutil/common.h"
31 #include "libavutil/imgutils.h"
32 #include "libavutil/mem.h"
37 #define SHL(a, n) ((n) >= 0 ? (a) << (n) : (a) >> -(n))
39 /* tag tree routines */
41 /* allocate the memory for tag tree */
42 static int32_t tag_tree_size(int w, int h)
45 while (w > 1 || h > 1) {
46 res += w * (int64_t)h;
47 av_assert0(res + 1 < INT32_MAX);
51 return (int32_t)(res + 1);
54 static Jpeg2000TgtNode *ff_jpeg2000_tag_tree_init(int w, int h)
57 Jpeg2000TgtNode *res, *t, *t2;
60 tt_size = tag_tree_size(w, h);
62 t = res = av_mallocz_array(tt_size, sizeof(*t));
66 while (w > 1 || h > 1) {
75 for (i = 0; i < ph; i++)
76 for (j = 0; j < pw; j++)
77 t[i * pw + j].parent = &t2[(i >> 1) * w + (j >> 1)];
85 static void tag_tree_zero(Jpeg2000TgtNode *t, int w, int h)
87 int i, siz = tag_tree_size(w, h);
89 for (i = 0; i < siz; i++) {
95 uint8_t ff_jpeg2000_sigctxno_lut[256][4];
97 static int getsigctxno(int flag, int bandno)
101 h = ((flag & JPEG2000_T1_SIG_E) ? 1 : 0) +
102 ((flag & JPEG2000_T1_SIG_W) ? 1 : 0);
103 v = ((flag & JPEG2000_T1_SIG_N) ? 1 : 0) +
104 ((flag & JPEG2000_T1_SIG_S) ? 1 : 0);
105 d = ((flag & JPEG2000_T1_SIG_NE) ? 1 : 0) +
106 ((flag & JPEG2000_T1_SIG_NW) ? 1 : 0) +
107 ((flag & JPEG2000_T1_SIG_SE) ? 1 : 0) +
108 ((flag & JPEG2000_T1_SIG_SW) ? 1 : 0);
113 if (h == 2) return 8;
115 if (v >= 1) return 7;
116 if (d >= 1) return 6;
119 if (v == 2) return 4;
120 if (v == 1) return 3;
121 if (d >= 2) return 2;
122 if (d == 1) return 1;
124 if (d >= 3) return 8;
126 if (h+v >= 1) return 7;
130 if (h+v >= 2) return 5;
131 if (h+v == 1) return 4;
134 if (h+v >= 2) return 2;
135 if (h+v == 1) return 1;
140 uint8_t ff_jpeg2000_sgnctxno_lut[16][16], ff_jpeg2000_xorbit_lut[16][16];
142 static const int contribtab[3][3] = { { 0, -1, 1 }, { -1, -1, 0 }, { 1, 0, 1 } };
143 static const int ctxlbltab[3][3] = { { 13, 12, 11 }, { 10, 9, 10 }, { 11, 12, 13 } };
144 static const int xorbittab[3][3] = { { 1, 1, 1 }, { 1, 0, 0 }, { 0, 0, 0 } };
146 static int getsgnctxno(int flag, uint8_t *xorbit)
148 int vcontrib, hcontrib;
150 hcontrib = contribtab[flag & JPEG2000_T1_SIG_E ? flag & JPEG2000_T1_SGN_E ? 1 : 2 : 0]
151 [flag & JPEG2000_T1_SIG_W ? flag & JPEG2000_T1_SGN_W ? 1 : 2 : 0] + 1;
152 vcontrib = contribtab[flag & JPEG2000_T1_SIG_S ? flag & JPEG2000_T1_SGN_S ? 1 : 2 : 0]
153 [flag & JPEG2000_T1_SIG_N ? flag & JPEG2000_T1_SGN_N ? 1 : 2 : 0] + 1;
154 *xorbit = xorbittab[hcontrib][vcontrib];
156 return ctxlbltab[hcontrib][vcontrib];
159 void av_cold ff_jpeg2000_init_tier1_luts(void)
162 for (i = 0; i < 256; i++)
163 for (j = 0; j < 4; j++)
164 ff_jpeg2000_sigctxno_lut[i][j] = getsigctxno(i, j);
165 for (i = 0; i < 16; i++)
166 for (j = 0; j < 16; j++)
167 ff_jpeg2000_sgnctxno_lut[i][j] =
168 getsgnctxno(i + (j << 8), &ff_jpeg2000_xorbit_lut[i][j]);
171 void ff_jpeg2000_set_significance(Jpeg2000T1Context *t1, int x, int y,
176 t1->flags[(y) * t1->stride + x] |= JPEG2000_T1_SIG;
178 t1->flags[(y) * t1->stride + x + 1] |= JPEG2000_T1_SIG_W | JPEG2000_T1_SGN_W;
179 t1->flags[(y) * t1->stride + x - 1] |= JPEG2000_T1_SIG_E | JPEG2000_T1_SGN_E;
180 t1->flags[(y + 1) * t1->stride + x] |= JPEG2000_T1_SIG_N | JPEG2000_T1_SGN_N;
181 t1->flags[(y - 1) * t1->stride + x] |= JPEG2000_T1_SIG_S | JPEG2000_T1_SGN_S;
183 t1->flags[(y) * t1->stride + x + 1] |= JPEG2000_T1_SIG_W;
184 t1->flags[(y) * t1->stride + x - 1] |= JPEG2000_T1_SIG_E;
185 t1->flags[(y + 1) * t1->stride + x] |= JPEG2000_T1_SIG_N;
186 t1->flags[(y - 1) * t1->stride + x] |= JPEG2000_T1_SIG_S;
188 t1->flags[(y + 1) * t1->stride + x + 1] |= JPEG2000_T1_SIG_NW;
189 t1->flags[(y + 1) * t1->stride + x - 1] |= JPEG2000_T1_SIG_NE;
190 t1->flags[(y - 1) * t1->stride + x + 1] |= JPEG2000_T1_SIG_SW;
191 t1->flags[(y - 1) * t1->stride + x - 1] |= JPEG2000_T1_SIG_SE;
194 // static const uint8_t lut_gain[2][4] = { { 0, 0, 0, 0 }, { 0, 1, 1, 2 } }; (unused)
196 static void init_band_stepsize(AVCodecContext *avctx,
198 Jpeg2000CodingStyle *codsty,
199 Jpeg2000QuantStyle *qntsty,
200 int bandno, int gbandno, int reslevelno,
203 /* TODO: Implementation of quantization step not finished,
204 * see ISO/IEC 15444-1:2002 E.1 and A.6.4. */
205 switch (qntsty->quantsty) {
207 case JPEG2000_QSTY_NONE:
208 /* TODO: to verify. No quantization in this case */
209 band->f_stepsize = 1;
211 case JPEG2000_QSTY_SI:
212 /*TODO: Compute formula to implement. */
214 // lut_gain[codsty->transform == FF_DWT53][bandno + (reslevelno > 0)];
215 // band->f_stepsize = SHL(2048 + qntsty->mant[gbandno],
216 // 2 + numbps - qntsty->expn[gbandno]);
218 case JPEG2000_QSTY_SE:
219 /* Exponent quantization step.
221 * delta_b = 2 ^ (R_b - expn_b) * (1 + (mant_b / 2 ^ 11))
222 * R_b = R_I + log2 (gain_b )
223 * see ISO/IEC 15444-1:2002 E.1.1 eqn. E-3 and E-4 */
225 band->f_stepsize = ff_exp2fi(gain - qntsty->expn[gbandno]);
226 band->f_stepsize *= qntsty->mant[gbandno] / 2048.0 + 1.0;
229 band->f_stepsize = 0;
230 av_log(avctx, AV_LOG_ERROR, "Unknown quantization format\n");
233 if (codsty->transform != FF_DWT53) {
235 switch (bandno + (reslevelno > 0)) {
238 band->f_stepsize *= F_LFTG_X * 2;
242 band->f_stepsize *= F_LFTG_X * F_LFTG_X * 4;
245 if (codsty->transform == FF_DWT97) {
246 band->f_stepsize *= pow(F_LFTG_K, 2*(codsty->nreslevels2decode - reslevelno) + lband - 2);
250 if (band->f_stepsize > (INT_MAX >> 15)) {
251 band->f_stepsize = 0;
252 av_log(avctx, AV_LOG_ERROR, "stepsize out of range\n");
255 band->i_stepsize = band->f_stepsize * (1 << 15);
257 /* FIXME: In OpenJPEG code stepsize = stepsize * 0.5. Why?
258 * If not set output of entropic decoder is not correct. */
259 if (!av_codec_is_encoder(avctx->codec))
260 band->f_stepsize *= 0.5;
263 static int init_prec(Jpeg2000Band *band,
264 Jpeg2000ResLevel *reslevel,
265 Jpeg2000Component *comp,
266 int precno, int bandno, int reslevelno,
267 int log2_band_prec_width,
268 int log2_band_prec_height)
270 Jpeg2000Prec *prec = band->prec + precno;
271 int nb_codeblocks, cblkno;
273 prec->decoded_layers = 0;
275 /* TODO: Explain formula for JPEG200 DCINEMA. */
276 /* TODO: Verify with previous count of codeblocks per band */
279 prec->coord[0][0] = ((reslevel->coord[0][0] >> reslevel->log2_prec_width) + precno % reslevel->num_precincts_x) *
280 (1 << log2_band_prec_width);
283 prec->coord[1][0] = ((reslevel->coord[1][0] >> reslevel->log2_prec_height) + precno / reslevel->num_precincts_x) *
284 (1 << log2_band_prec_height);
287 prec->coord[0][1] = prec->coord[0][0] +
288 (1 << log2_band_prec_width);
289 prec->coord[0][0] = FFMAX(prec->coord[0][0], band->coord[0][0]);
290 prec->coord[0][1] = FFMIN(prec->coord[0][1], band->coord[0][1]);
293 prec->coord[1][1] = prec->coord[1][0] +
294 (1 << log2_band_prec_height);
295 prec->coord[1][0] = FFMAX(prec->coord[1][0], band->coord[1][0]);
296 prec->coord[1][1] = FFMIN(prec->coord[1][1], band->coord[1][1]);
298 prec->nb_codeblocks_width =
299 ff_jpeg2000_ceildivpow2(prec->coord[0][1],
300 band->log2_cblk_width)
301 - (prec->coord[0][0] >> band->log2_cblk_width);
302 prec->nb_codeblocks_height =
303 ff_jpeg2000_ceildivpow2(prec->coord[1][1],
304 band->log2_cblk_height)
305 - (prec->coord[1][0] >> band->log2_cblk_height);
308 /* Tag trees initialization */
310 ff_jpeg2000_tag_tree_init(prec->nb_codeblocks_width,
311 prec->nb_codeblocks_height);
313 return AVERROR(ENOMEM);
316 ff_jpeg2000_tag_tree_init(prec->nb_codeblocks_width,
317 prec->nb_codeblocks_height);
319 return AVERROR(ENOMEM);
321 if (prec->nb_codeblocks_width * (uint64_t)prec->nb_codeblocks_height > INT_MAX) {
323 return AVERROR(ENOMEM);
325 nb_codeblocks = prec->nb_codeblocks_width * prec->nb_codeblocks_height;
326 prec->cblk = av_mallocz_array(nb_codeblocks, sizeof(*prec->cblk));
328 return AVERROR(ENOMEM);
329 for (cblkno = 0; cblkno < nb_codeblocks; cblkno++) {
330 Jpeg2000Cblk *cblk = prec->cblk + cblkno;
333 /* Compute coordinates of codeblocks */
335 Cx0 = ((prec->coord[0][0]) >> band->log2_cblk_width) << band->log2_cblk_width;
336 Cx0 = Cx0 + ((cblkno % prec->nb_codeblocks_width) << band->log2_cblk_width);
337 cblk->coord[0][0] = FFMAX(Cx0, prec->coord[0][0]);
340 Cy0 = ((prec->coord[1][0]) >> band->log2_cblk_height) << band->log2_cblk_height;
341 Cy0 = Cy0 + ((cblkno / prec->nb_codeblocks_width) << band->log2_cblk_height);
342 cblk->coord[1][0] = FFMAX(Cy0, prec->coord[1][0]);
345 cblk->coord[0][1] = FFMIN(Cx0 + (1 << band->log2_cblk_width),
349 cblk->coord[1][1] = FFMIN(Cy0 + (1 << band->log2_cblk_height),
351 /* Update code-blocks coordinates according sub-band position */
352 if ((bandno + !!reslevelno) & 1) {
353 cblk->coord[0][0] += comp->reslevel[reslevelno-1].coord[0][1] -
354 comp->reslevel[reslevelno-1].coord[0][0];
355 cblk->coord[0][1] += comp->reslevel[reslevelno-1].coord[0][1] -
356 comp->reslevel[reslevelno-1].coord[0][0];
358 if ((bandno + !!reslevelno) & 2) {
359 cblk->coord[1][0] += comp->reslevel[reslevelno-1].coord[1][1] -
360 comp->reslevel[reslevelno-1].coord[1][0];
361 cblk->coord[1][1] += comp->reslevel[reslevelno-1].coord[1][1] -
362 comp->reslevel[reslevelno-1].coord[1][0];
373 static int init_band(AVCodecContext *avctx,
374 Jpeg2000ResLevel *reslevel,
375 Jpeg2000Component *comp,
376 Jpeg2000CodingStyle *codsty,
377 Jpeg2000QuantStyle *qntsty,
378 int bandno, int gbandno, int reslevelno,
379 int cbps, int dx, int dy)
381 Jpeg2000Band *band = reslevel->band + bandno;
382 uint8_t log2_band_prec_width, log2_band_prec_height;
383 int declvl = codsty->nreslevels - reslevelno; // N_L -r see ISO/IEC 15444-1:2002 B.5
388 init_band_stepsize(avctx, band, codsty, qntsty, bandno, gbandno, reslevelno, cbps);
390 /* computation of tbx_0, tbx_1, tby_0, tby_1
391 * see ISO/IEC 15444-1:2002 B.5 eq. B-15 and tbl B.1
392 * codeblock width and height is computed for
393 * DCI JPEG 2000 codeblock_width = codeblock_width = 32 = 2 ^ 5 */
394 if (reslevelno == 0) {
395 /* for reslevelno = 0, only one band, x0_b = y0_b = 0 */
396 for (i = 0; i < 2; i++)
397 for (j = 0; j < 2; j++)
399 ff_jpeg2000_ceildivpow2(comp->coord_o[i][j],
401 log2_band_prec_width = reslevel->log2_prec_width;
402 log2_band_prec_height = reslevel->log2_prec_height;
403 /* see ISO/IEC 15444-1:2002 eq. B-17 and eq. B-15 */
404 band->log2_cblk_width = FFMIN(codsty->log2_cblk_width,
405 reslevel->log2_prec_width);
406 band->log2_cblk_height = FFMIN(codsty->log2_cblk_height,
407 reslevel->log2_prec_height);
409 /* 3 bands x0_b = 1 y0_b = 0; x0_b = 0 y0_b = 1; x0_b = y0_b = 1 */
410 /* x0_b and y0_b are computed with ((bandno + 1 >> i) & 1) */
411 for (i = 0; i < 2; i++)
412 for (j = 0; j < 2; j++)
413 /* Formula example for tbx_0 = ceildiv((tcx_0 - 2 ^ (declvl - 1) * x0_b) / declvl) */
415 ff_jpeg2000_ceildivpow2(comp->coord_o[i][j] -
416 (((bandno + 1 >> i) & 1LL) << declvl - 1),
418 /* TODO: Manage case of 3 band offsets here or
419 * in coding/decoding function? */
421 /* see ISO/IEC 15444-1:2002 eq. B-17 and eq. B-15 */
422 band->log2_cblk_width = FFMIN(codsty->log2_cblk_width,
423 reslevel->log2_prec_width - 1);
424 band->log2_cblk_height = FFMIN(codsty->log2_cblk_height,
425 reslevel->log2_prec_height - 1);
427 log2_band_prec_width = reslevel->log2_prec_width - 1;
428 log2_band_prec_height = reslevel->log2_prec_height - 1;
431 if (reslevel->num_precincts_x * (uint64_t)reslevel->num_precincts_y > INT_MAX) {
433 return AVERROR(ENOMEM);
435 nb_precincts = reslevel->num_precincts_x * reslevel->num_precincts_y;
436 band->prec = av_mallocz_array(nb_precincts, sizeof(*band->prec));
438 return AVERROR(ENOMEM);
440 for (precno = 0; precno < nb_precincts; precno++) {
441 ret = init_prec(band, reslevel, comp,
442 precno, bandno, reslevelno,
443 log2_band_prec_width, log2_band_prec_height);
451 int ff_jpeg2000_init_component(Jpeg2000Component *comp,
452 Jpeg2000CodingStyle *codsty,
453 Jpeg2000QuantStyle *qntsty,
454 int cbps, int dx, int dy,
455 AVCodecContext *avctx)
457 int reslevelno, bandno, gbandno = 0, ret, i, j;
460 if (codsty->nreslevels2decode <= 0) {
461 av_log(avctx, AV_LOG_ERROR, "nreslevels2decode %d invalid or uninitialized\n", codsty->nreslevels2decode);
462 return AVERROR_INVALIDDATA;
465 if (ret = ff_jpeg2000_dwt_init(&comp->dwt, comp->coord,
466 codsty->nreslevels2decode - 1,
470 if (av_image_check_size(comp->coord[0][1] - comp->coord[0][0],
471 comp->coord[1][1] - comp->coord[1][0], 0, avctx))
472 return AVERROR_INVALIDDATA;
473 csize = (comp->coord[0][1] - comp->coord[0][0]) *
474 (comp->coord[1][1] - comp->coord[1][0]);
475 if (comp->coord[0][1] - comp->coord[0][0] > 32768 ||
476 comp->coord[1][1] - comp->coord[1][0] > 32768) {
477 av_log(avctx, AV_LOG_ERROR, "component size too large\n");
478 return AVERROR_PATCHWELCOME;
481 if (codsty->transform == FF_DWT97) {
482 csize += AV_INPUT_BUFFER_PADDING_SIZE / sizeof(*comp->f_data);
484 comp->f_data = av_mallocz_array(csize, sizeof(*comp->f_data));
486 return AVERROR(ENOMEM);
488 csize += AV_INPUT_BUFFER_PADDING_SIZE / sizeof(*comp->i_data);
490 comp->i_data = av_mallocz_array(csize, sizeof(*comp->i_data));
492 return AVERROR(ENOMEM);
494 comp->reslevel = av_mallocz_array(codsty->nreslevels, sizeof(*comp->reslevel));
496 return AVERROR(ENOMEM);
497 /* LOOP on resolution levels */
498 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) {
499 int declvl = codsty->nreslevels - reslevelno; // N_L -r see ISO/IEC 15444-1:2002 B.5
500 Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
502 /* Compute borders for each resolution level.
503 * Computation of trx_0, trx_1, try_0 and try_1.
504 * see ISO/IEC 15444-1:2002 eq. B.5 and B-14 */
505 for (i = 0; i < 2; i++)
506 for (j = 0; j < 2; j++)
507 reslevel->coord[i][j] =
508 ff_jpeg2000_ceildivpow2(comp->coord_o[i][j], declvl - 1);
509 // update precincts size: 2^n value
510 reslevel->log2_prec_width = codsty->log2_prec_widths[reslevelno];
511 reslevel->log2_prec_height = codsty->log2_prec_heights[reslevelno];
513 /* Number of bands for each resolution level */
515 reslevel->nbands = 1;
517 reslevel->nbands = 3;
519 /* Number of precincts which span the tile for resolution level reslevelno
520 * see B.6 in ISO/IEC 15444-1:2002 eq. B-16
521 * num_precincts_x = |- trx_1 / 2 ^ log2_prec_width) -| - (trx_0 / 2 ^ log2_prec_width)
522 * num_precincts_y = |- try_1 / 2 ^ log2_prec_width) -| - (try_0 / 2 ^ log2_prec_width)
523 * for Dcinema profiles in JPEG 2000
524 * num_precincts_x = |- trx_1 / 2 ^ log2_prec_width) -|
525 * num_precincts_y = |- try_1 / 2 ^ log2_prec_width) -| */
526 if (reslevel->coord[0][1] == reslevel->coord[0][0])
527 reslevel->num_precincts_x = 0;
529 reslevel->num_precincts_x =
530 ff_jpeg2000_ceildivpow2(reslevel->coord[0][1],
531 reslevel->log2_prec_width) -
532 (reslevel->coord[0][0] >> reslevel->log2_prec_width);
534 if (reslevel->coord[1][1] == reslevel->coord[1][0])
535 reslevel->num_precincts_y = 0;
537 reslevel->num_precincts_y =
538 ff_jpeg2000_ceildivpow2(reslevel->coord[1][1],
539 reslevel->log2_prec_height) -
540 (reslevel->coord[1][0] >> reslevel->log2_prec_height);
542 reslevel->band = av_mallocz_array(reslevel->nbands, sizeof(*reslevel->band));
544 return AVERROR(ENOMEM);
546 if (reslevel->num_precincts_x * (uint64_t)reslevel->num_precincts_y * reslevel->nbands > avctx->max_pixels / sizeof(*reslevel->band->prec))
547 return AVERROR(ENOMEM);
549 for (bandno = 0; bandno < reslevel->nbands; bandno++, gbandno++) {
550 ret = init_band(avctx, reslevel,
551 comp, codsty, qntsty,
552 bandno, gbandno, reslevelno,
561 void ff_jpeg2000_reinit(Jpeg2000Component *comp, Jpeg2000CodingStyle *codsty)
563 int reslevelno, bandno, cblkno, precno;
564 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) {
565 Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno;
566 for (bandno = 0; bandno < rlevel->nbands; bandno++) {
567 Jpeg2000Band *band = rlevel->band + bandno;
568 for(precno = 0; precno < rlevel->num_precincts_x * rlevel->num_precincts_y; precno++) {
569 Jpeg2000Prec *prec = band->prec + precno;
570 tag_tree_zero(prec->zerobits, prec->nb_codeblocks_width, prec->nb_codeblocks_height);
571 tag_tree_zero(prec->cblkincl, prec->nb_codeblocks_width, prec->nb_codeblocks_height);
572 for (cblkno = 0; cblkno < prec->nb_codeblocks_width * prec->nb_codeblocks_height; cblkno++) {
573 Jpeg2000Cblk *cblk = prec->cblk + cblkno;
582 void ff_jpeg2000_cleanup(Jpeg2000Component *comp, Jpeg2000CodingStyle *codsty)
584 int reslevelno, bandno, precno;
586 comp->reslevel && reslevelno < codsty->nreslevels;
588 Jpeg2000ResLevel *reslevel;
593 reslevel = comp->reslevel + reslevelno;
594 for (bandno = 0; bandno < reslevel->nbands; bandno++) {
600 band = reslevel->band + bandno;
601 for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++) {
603 Jpeg2000Prec *prec = band->prec + precno;
604 int nb_code_blocks = prec->nb_codeblocks_height * prec->nb_codeblocks_width;
606 av_freep(&prec->zerobits);
607 av_freep(&prec->cblkincl);
610 for (cblkno = 0; cblkno < nb_code_blocks; cblkno ++) {
611 Jpeg2000Cblk *cblk = &prec->cblk[cblkno];
612 av_freep(&cblk->data);
613 av_freep(&cblk->passes);
614 av_freep(&cblk->lengthinc);
615 av_freep(&cblk->data_start);
617 av_freep(&prec->cblk);
622 av_freep(&band->prec);
624 av_freep(&reslevel->band);
627 ff_dwt_destroy(&comp->dwt);
628 av_freep(&comp->reslevel);
629 av_freep(&comp->i_data);
630 av_freep(&comp->f_data);