FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/j2kenc.c
Date: 2025-10-30 05:42:18
Exec Total Coverage
Lines: 662 991 66.8%
Functions: 35 37 94.6%
Branches: 378 686 55.1%
Line Branch Exec Source
1 /*
2 * JPEG2000 image encoder
3 * Copyright (c) 2007 Kamil Nowosad
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 *
21 * **********************************************************************************************************************
22 *
23 *
24 *
25 * This source code incorporates work covered by the following copyright and
26 * permission notice:
27 *
28 * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
29 * Copyright (c) 2002-2007, Professor Benoit Macq
30 * Copyright (c) 2001-2003, David Janssens
31 * Copyright (c) 2002-2003, Yannick Verschueren
32 * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
33 * Copyright (c) 2005, Herve Drolon, FreeImage Team
34 * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com>
35 * Copyright (c) 2020, Gautam Ramakrishnan <gautamramk@gmail.com>
36 * All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 * 1. Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * 2. Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in the
45 * documentation and/or other materials provided with the distribution.
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
48 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
51 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
52 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
53 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
54 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
55 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
56 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
57 * POSSIBILITY OF SUCH DAMAGE.
58 */
59
60
61 /**
62 * JPEG2000 image encoder
63 * @file
64 * @author Kamil Nowosad
65 */
66
67 #include <float.h>
68 #include "avcodec.h"
69 #include "codec_internal.h"
70 #include "encode.h"
71 #include "bytestream.h"
72 #include "jpeg2000.h"
73 #include "version.h"
74 #include "libavutil/attributes.h"
75 #include "libavutil/common.h"
76 #include "libavutil/mem.h"
77 #include "libavutil/pixdesc.h"
78 #include "libavutil/opt.h"
79 #include "libavutil/intreadwrite.h"
80 #include "libavutil/avstring.h"
81 #include "libavutil/thread.h"
82
83 #define NMSEDEC_BITS 7
84 #define NMSEDEC_FRACBITS (NMSEDEC_BITS-1)
85 #define WMSEDEC_SHIFT 13 ///< must be >= 13
86 #define LAMBDA_SCALE (100000000LL << (WMSEDEC_SHIFT - 13))
87
88 #define CODEC_JP2 1
89 #define CODEC_J2K 0
90
91 static int lut_nmsedec_ref [1<<NMSEDEC_BITS],
92 lut_nmsedec_ref0[1<<NMSEDEC_BITS],
93 lut_nmsedec_sig [1<<NMSEDEC_BITS],
94 lut_nmsedec_sig0[1<<NMSEDEC_BITS];
95
96 static const int dwt_norms[2][4][10] = { // [dwt_type][band][rlevel] (multiplied by 10000)
97 {{10000, 19650, 41770, 84030, 169000, 338400, 676900, 1353000, 2706000, 5409000},
98 {20220, 39890, 83550, 170400, 342700, 686300, 1373000, 2746000, 5490000},
99 {20220, 39890, 83550, 170400, 342700, 686300, 1373000, 2746000, 5490000},
100 {20800, 38650, 83070, 171800, 347100, 695900, 1393000, 2786000, 5572000}},
101
102 {{10000, 15000, 27500, 53750, 106800, 213400, 426700, 853300, 1707000, 3413000},
103 {10380, 15920, 29190, 57030, 113300, 226400, 452500, 904800, 1809000},
104 {10380, 15920, 29190, 57030, 113300, 226400, 452500, 904800, 1809000},
105 { 7186, 9218, 15860, 30430, 60190, 120100, 240000, 479700, 959300}}
106 };
107
108 typedef struct {
109 Jpeg2000Component *comp;
110 double *layer_rates;
111 } Jpeg2000Tile;
112
113 typedef struct {
114 AVClass *class;
115 AVCodecContext *avctx;
116 const AVFrame *picture;
117
118 int width, height; ///< image width and height
119 uint8_t cbps[4]; ///< bits per sample in particular components
120 uint8_t comp_remap[4];
121 int chroma_shift[2];
122 uint8_t planar;
123 int ncomponents;
124 int tile_width, tile_height; ///< tile size
125 int numXtiles, numYtiles;
126
127 uint8_t *buf_start;
128 uint8_t *buf;
129 uint8_t *buf_end;
130 int bit_index;
131
132 uint64_t lambda;
133
134 Jpeg2000CodingStyle codsty;
135 Jpeg2000QuantStyle qntsty;
136
137 Jpeg2000Tile *tile;
138 int layer_rates[100];
139 uint8_t compression_rate_enc; ///< Is compression done using compression ratio?
140
141 int format;
142 int pred;
143 int sop;
144 int eph;
145 int prog;
146 int nlayers;
147 char *lr_str;
148 } Jpeg2000EncoderContext;
149
150
151 /* debug */
152 #if 0
153 #undef ifprintf
154 #undef printf
155
156 static void nspaces(FILE *fd, int n)
157 {
158 while(n--) putc(' ', fd);
159 }
160
161 static void printcomp(Jpeg2000Component *comp)
162 {
163 int i;
164 for (i = 0; i < comp->y1 - comp->y0; i++)
165 ff_jpeg2000_printv(comp->i_data + i * (comp->x1 - comp->x0), comp->x1 - comp->x0);
166 }
167
168 static void dump(Jpeg2000EncoderContext *s, FILE *fd)
169 {
170 int tileno, compno, reslevelno, bandno, precno;
171 fprintf(fd, "XSiz = %d, YSiz = %d, tile_width = %d, tile_height = %d\n"
172 "numXtiles = %d, numYtiles = %d, ncomponents = %d\n"
173 "tiles:\n",
174 s->width, s->height, s->tile_width, s->tile_height,
175 s->numXtiles, s->numYtiles, s->ncomponents);
176 for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){
177 Jpeg2000Tile *tile = s->tile + tileno;
178 nspaces(fd, 2);
179 fprintf(fd, "tile %d:\n", tileno);
180 for(compno = 0; compno < s->ncomponents; compno++){
181 Jpeg2000Component *comp = tile->comp + compno;
182 nspaces(fd, 4);
183 fprintf(fd, "component %d:\n", compno);
184 nspaces(fd, 4);
185 fprintf(fd, "x0 = %d, x1 = %d, y0 = %d, y1 = %d\n",
186 comp->x0, comp->x1, comp->y0, comp->y1);
187 for(reslevelno = 0; reslevelno < s->nreslevels; reslevelno++){
188 Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
189 nspaces(fd, 6);
190 fprintf(fd, "reslevel %d:\n", reslevelno);
191 nspaces(fd, 6);
192 fprintf(fd, "x0 = %d, x1 = %d, y0 = %d, y1 = %d, nbands = %d\n",
193 reslevel->x0, reslevel->x1, reslevel->y0,
194 reslevel->y1, reslevel->nbands);
195 for(bandno = 0; bandno < reslevel->nbands; bandno++){
196 Jpeg2000Band *band = reslevel->band + bandno;
197 nspaces(fd, 8);
198 fprintf(fd, "band %d:\n", bandno);
199 nspaces(fd, 8);
200 fprintf(fd, "x0 = %d, x1 = %d, y0 = %d, y1 = %d,"
201 "codeblock_width = %d, codeblock_height = %d cblknx = %d cblkny = %d\n",
202 band->x0, band->x1,
203 band->y0, band->y1,
204 band->codeblock_width, band->codeblock_height,
205 band->cblknx, band->cblkny);
206 for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
207 Jpeg2000Prec *prec = band->prec + precno;
208 nspaces(fd, 10);
209 fprintf(fd, "prec %d:\n", precno);
210 nspaces(fd, 10);
211 fprintf(fd, "xi0 = %d, xi1 = %d, yi0 = %d, yi1 = %d\n",
212 prec->xi0, prec->xi1, prec->yi0, prec->yi1);
213 }
214 }
215 }
216 }
217 }
218 }
219 #endif
220
221 /* bitstream routines */
222
223 /** put n times val bit */
224 21037957 static void put_bits(Jpeg2000EncoderContext *s, int val, int n) // TODO: optimize
225 {
226
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 37133179 while (n-- > 0){
227
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 16095222 if (s->bit_index == 8)
228 {
229 1986379 s->bit_index = *s->buf == 0xff;
230 1986379 *(++s->buf) = 0;
231 }
232 16095222 *s->buf |= val << (7 - s->bit_index++);
233 }
234 21037957 }
235
236 /** put n least significant bits of a number num */
237 1589586 static void put_num(Jpeg2000EncoderContext *s, int num, int n)
238 {
239
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 13346015 while(--n >= 0)
240 11756429 put_bits(s, (num >> n) & 1, 1);
241 1589586 }
242
243 /** flush the bitstream */
244 59150 static void j2k_flush(Jpeg2000EncoderContext *s)
245 {
246
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 59150 if (s->bit_index){
247 59150 s->bit_index = 0;
248 59150 s->buf++;
249 }
250 59150 }
251
252 /* tag tree routines */
253
254 /** code the value stored in node */
255 1622232 static void tag_tree_code(Jpeg2000EncoderContext *s, Jpeg2000TgtNode *node, int threshold)
256 {
257 Jpeg2000TgtNode *stack[30];
258 1622232 int sp = -1, curval = 0;
259
260
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 5428164 while(node->parent){
261 3805932 stack[++sp] = node;
262 3805932 node = node->parent;
263 }
264
265 while (1) {
266
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 5428164 if (curval > node->temp_val)
267 965152 node->temp_val = curval;
268 else {
269 4463012 curval = node->temp_val;
270 }
271
272
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 5428164 if (node->val >= threshold) {
273 38099 put_bits(s, 0, threshold - curval);
274 38099 curval = threshold;
275 } else {
276 5390065 put_bits(s, 0, node->val - curval);
277 5390065 curval = node->val;
278
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 5390065 if (!node->vis) {
279 2204628 put_bits(s, 1, 1);
280 2204628 node->vis = 1;
281 }
282 }
283
284 5428164 node->temp_val = curval;
285
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 5428164 if (sp < 0)
286 1622232 break;
287 3805932 node = stack[sp--];
288 }
289 1622232 }
290
291 /** update the value in node */
292 1791400 static void tag_tree_update(Jpeg2000TgtNode *node)
293 {
294
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 2620688 while (node->parent){
295
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 2281640 if (node->parent->val <= node->val)
296 1452352 break;
297 829288 node->parent->val = node->val;
298 829288 node = node->parent;
299 }
300 1791400 }
301
302 800 static int put_siz(Jpeg2000EncoderContext *s)
303 {
304 int i;
305
306
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 800 if (s->buf_end - s->buf < 40 + 3 * s->ncomponents)
307 ✗ return -1;
308
309 800 bytestream_put_be16(&s->buf, JPEG2000_SIZ);
310 800 bytestream_put_be16(&s->buf, 38 + 3 * s->ncomponents); // Lsiz
311 800 bytestream_put_be16(&s->buf, 0); // Rsiz
312 800 bytestream_put_be32(&s->buf, s->width); // width
313 800 bytestream_put_be32(&s->buf, s->height); // height
314 800 bytestream_put_be32(&s->buf, 0); // X0Siz
315 800 bytestream_put_be32(&s->buf, 0); // Y0Siz
316
317 800 bytestream_put_be32(&s->buf, s->tile_width); // XTSiz
318 800 bytestream_put_be32(&s->buf, s->tile_height); // YTSiz
319 800 bytestream_put_be32(&s->buf, 0); // XT0Siz
320 800 bytestream_put_be32(&s->buf, 0); // YT0Siz
321 800 bytestream_put_be16(&s->buf, s->ncomponents); // CSiz
322
323
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 3400 for (i = 0; i < s->ncomponents; i++){ // Ssiz_i XRsiz_i, YRsiz_i
324 2600 bytestream_put_byte(&s->buf, s->cbps[i] - 1);
325
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 2600 bytestream_put_byte(&s->buf, (i+1&2)?1<<s->chroma_shift[0]:1);
326
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 2600 bytestream_put_byte(&s->buf, (i+1&2)?1<<s->chroma_shift[1]:1);
327 }
328 800 return 0;
329 }
330
331 800 static int put_cod(Jpeg2000EncoderContext *s)
332 {
333 800 Jpeg2000CodingStyle *codsty = &s->codsty;
334 800 uint8_t scod = 0;
335
336
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 800 if (s->buf_end - s->buf < 14)
337 ✗ return -1;
338
339 800 bytestream_put_be16(&s->buf, JPEG2000_COD);
340 800 bytestream_put_be16(&s->buf, 12); // Lcod
341
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 800 if (s->sop)
342 ✗ scod |= JPEG2000_CSTY_SOP;
343
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 800 if (s->eph)
344 ✗ scod |= JPEG2000_CSTY_EPH;
345 800 bytestream_put_byte(&s->buf, scod); // Scod
346 // SGcod
347 800 bytestream_put_byte(&s->buf, s->prog); // progression level
348 800 bytestream_put_be16(&s->buf, s->nlayers); // num of layers
349
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 800 if(s->avctx->pix_fmt == AV_PIX_FMT_YUV444P){
350 ✗ bytestream_put_byte(&s->buf, 0); // unspecified
351 }else{
352 800 bytestream_put_byte(&s->buf, 0); // unspecified
353 }
354 // SPcod
355 800 bytestream_put_byte(&s->buf, codsty->nreslevels - 1); // num of decomp. levels
356 800 bytestream_put_byte(&s->buf, codsty->log2_cblk_width-2); // cblk width
357 800 bytestream_put_byte(&s->buf, codsty->log2_cblk_height-2); // cblk height
358 800 bytestream_put_byte(&s->buf, 0); // cblk style
359 800 bytestream_put_byte(&s->buf, codsty->transform == FF_DWT53); // transformation
360 800 return 0;
361 }
362
363 800 static int put_qcd(Jpeg2000EncoderContext *s, int compno)
364 {
365 int i, size;
366 800 Jpeg2000CodingStyle *codsty = &s->codsty;
367 800 Jpeg2000QuantStyle *qntsty = &s->qntsty;
368
369
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 800 if (qntsty->quantsty == JPEG2000_QSTY_NONE)
370 600 size = 4 + 3 * (codsty->nreslevels-1);
371 else // QSTY_SE
372 200 size = 5 + 6 * (codsty->nreslevels-1);
373
374
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 800 if (s->buf_end - s->buf < size + 2)
375 ✗ return -1;
376
377 800 bytestream_put_be16(&s->buf, JPEG2000_QCD);
378 800 bytestream_put_be16(&s->buf, size); // LQcd
379 800 bytestream_put_byte(&s->buf, (qntsty->nguardbits << 5) | qntsty->quantsty); // Sqcd
380
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 800 if (qntsty->quantsty == JPEG2000_QSTY_NONE)
381
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 12000 for (i = 0; i < codsty->nreslevels * 3 - 2; i++)
382 11400 bytestream_put_byte(&s->buf, qntsty->expn[i] << 3);
383 else // QSTY_SE
384
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 4000 for (i = 0; i < codsty->nreslevels * 3 - 2; i++)
385 3800 bytestream_put_be16(&s->buf, (qntsty->expn[i] << 11) | qntsty->mant[i]);
386 800 return 0;
387 }
388
389 800 static int put_com(Jpeg2000EncoderContext *s, int compno)
390 {
391 800 int size = 4 + strlen(LIBAVCODEC_IDENT);
392
393
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 800 if (s->avctx->flags & AV_CODEC_FLAG_BITEXACT)
394 800 return 0;
395
396 ✗ if (s->buf_end - s->buf < size + 2)
397 ✗ return -1;
398
399 ✗ bytestream_put_be16(&s->buf, JPEG2000_COM);
400 ✗ bytestream_put_be16(&s->buf, size);
401 ✗ bytestream_put_be16(&s->buf, 1); // General use (ISO/IEC 8859-15 (Latin) values)
402
403 ✗ bytestream_put_buffer(&s->buf, LIBAVCODEC_IDENT, strlen(LIBAVCODEC_IDENT));
404
405 ✗ return 0;
406 }
407
408 2600 static uint8_t *put_sot(Jpeg2000EncoderContext *s, int tileno)
409 {
410 uint8_t *psotptr;
411
412
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 2600 if (s->buf_end - s->buf < 12)
413 ✗ return NULL;
414
415 2600 bytestream_put_be16(&s->buf, JPEG2000_SOT);
416 2600 bytestream_put_be16(&s->buf, 10); // Lsot
417 2600 bytestream_put_be16(&s->buf, tileno); // Isot
418
419 2600 psotptr = s->buf;
420 2600 bytestream_put_be32(&s->buf, 0); // Psot (filled in later)
421
422 2600 bytestream_put_byte(&s->buf, 0); // TPsot
423 2600 bytestream_put_byte(&s->buf, 1); // TNsot
424 2600 return psotptr;
425 }
426
427 16 static void compute_rates(Jpeg2000EncoderContext* s)
428 {
429 int i, j;
430 int layno, compno;
431
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 44 for (i = 0; i < s->numYtiles; i++) {
432
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 80 for (j = 0; j < s->numXtiles; j++) {
433 52 Jpeg2000Tile *tile = &s->tile[s->numXtiles * i + j];
434
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 221 for (compno = 0; compno < s->ncomponents; compno++) {
435 169 int tilew = tile->comp[compno].coord[0][1] - tile->comp[compno].coord[0][0];
436 169 int tileh = tile->comp[compno].coord[1][1] - tile->comp[compno].coord[1][0];
437
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 169 int scale = ((compno+1&2)?1 << s->chroma_shift[0]:1) * ((compno+1&2)?1 << s->chroma_shift[1]:1);
438
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 338 for (layno = 0; layno < s->nlayers; layno++) {
439
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 169 if (s->layer_rates[layno] > 0) {
440 ✗ tile->layer_rates[layno] += (double)(tilew * tileh) * s->ncomponents * s->cbps[compno] /
441 ✗ (double)(s->layer_rates[layno] * 8 * scale);
442 } else {
443 169 tile->layer_rates[layno] = 0.0;
444 }
445 }
446 }
447 }
448 }
449
450 16 }
451
452 /**
453 * compute the sizes of tiles, resolution levels, bands, etc.
454 * allocate memory for them
455 * divide the input image into tile-components
456 */
457 16 static int init_tiles(Jpeg2000EncoderContext *s)
458 {
459 int tileno, tilex, tiley, compno;
460 16 Jpeg2000CodingStyle *codsty = &s->codsty;
461 16 Jpeg2000QuantStyle *qntsty = &s->qntsty;
462
463 16 s->numXtiles = ff_jpeg2000_ceildiv(s->width, s->tile_width);
464 16 s->numYtiles = ff_jpeg2000_ceildiv(s->height, s->tile_height);
465
466 16 s->tile = av_calloc(s->numXtiles, s->numYtiles * sizeof(Jpeg2000Tile));
467
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 16 if (!s->tile)
468 ✗ return AVERROR(ENOMEM);
469
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 44 for (tileno = 0, tiley = 0; tiley < s->numYtiles; tiley++)
470
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 80 for (tilex = 0; tilex < s->numXtiles; tilex++, tileno++){
471 52 Jpeg2000Tile *tile = s->tile + tileno;
472
473 52 tile->comp = av_calloc(s->ncomponents, sizeof(*tile->comp));
474
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 52 if (!tile->comp)
475 ✗ return AVERROR(ENOMEM);
476
477 52 tile->layer_rates = av_calloc(s->nlayers, sizeof(*tile->layer_rates));
478
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 52 if (!tile->layer_rates)
479 ✗ return AVERROR(ENOMEM);
480
481
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 221 for (compno = 0; compno < s->ncomponents; compno++){
482 169 Jpeg2000Component *comp = tile->comp + compno;
483 int ret, i, j;
484
485 169 comp->coord[0][0] = comp->coord_o[0][0] = tilex * s->tile_width;
486 169 comp->coord[0][1] = comp->coord_o[0][1] = FFMIN((tilex+1)*s->tile_width, s->width);
487 169 comp->coord[1][0] = comp->coord_o[1][0] = tiley * s->tile_height;
488 169 comp->coord[1][1] = comp->coord_o[1][1] = FFMIN((tiley+1)*s->tile_height, s->height);
489
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 169 if (compno + 1 & 2)
490
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491
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 624 for (j = 0; j < 2; j++)
492 416 comp->coord[i][j] = comp->coord_o[i][j] = ff_jpeg2000_ceildivpow2(comp->coord[i][j], s->chroma_shift[i]);
493
494
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 299 if ((ret = ff_jpeg2000_init_component(comp,
495 codsty,
496 qntsty,
497 169 s->cbps[compno],
498
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 169 (compno+1&2)?1<<s->chroma_shift[0]:1,
499
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 169 (compno+1&2)?1<<s->chroma_shift[1]:1,
500 s->avctx
501 )) < 0)
502 ✗ return ret;
503 }
504 }
505 16 compute_rates(s);
506 16 return 0;
507 }
508
509 #define COPY_FRAME(D, PIXEL) \
510 static void copy_frame_ ##D(Jpeg2000EncoderContext *s) \
511 { \
512 int tileno, compno, i, y, x; \
513 const PIXEL *line; \
514 for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ \
515 Jpeg2000Tile *tile = s->tile + tileno; \
516 if (s->planar){ \
517 for (compno = 0; compno < s->ncomponents; compno++){ \
518 int icompno = s->comp_remap[compno]; \
519 Jpeg2000Component *comp = tile->comp + compno; \
520 int *dst = comp->i_data; \
521 int cbps = s->cbps[compno]; \
522 line = (const PIXEL*)s->picture->data[icompno] \
523 + comp->coord[1][0] * (s->picture->linesize[icompno] / sizeof(PIXEL)) \
524 + comp->coord[0][0]; \
525 for (y = comp->coord[1][0]; y < comp->coord[1][1]; y++){ \
526 const PIXEL *ptr = line; \
527 for (x = comp->coord[0][0]; x < comp->coord[0][1]; x++) \
528 *dst++ = *ptr++ - (1 << (cbps - 1)); \
529 line += s->picture->linesize[icompno] / sizeof(PIXEL); \
530 } \
531 } \
532 } else{ \
533 line = (const PIXEL*)(s->picture->data[0] + tile->comp[0].coord[1][0] * s->picture->linesize[0]) \
534 + tile->comp[0].coord[0][0] * s->ncomponents; \
535 \
536 i = 0; \
537 for (y = tile->comp[0].coord[1][0]; y < tile->comp[0].coord[1][1]; y++){ \
538 const PIXEL *ptr = line; \
539 for (x = tile->comp[0].coord[0][0]; x < tile->comp[0].coord[0][1]; x++, i++){ \
540 for (compno = 0; compno < s->ncomponents; compno++){ \
541 int cbps = s->cbps[compno]; \
542 tile->comp[compno].i_data[i] = *ptr++ - (1 << (cbps - 1)); \
543 } \
544 } \
545 line += s->picture->linesize[0] / sizeof(PIXEL); \
546 } \
547 } \
548 } \
549 }
550
551
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 122291500 COPY_FRAME(8, uint8_t)
552
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 107472350 COPY_FRAME(16, uint16_t)
553
554 16 static void init_quantization(Jpeg2000EncoderContext *s)
555 {
556 int compno, reslevelno, bandno;
557 16 Jpeg2000QuantStyle *qntsty = &s->qntsty;
558 16 Jpeg2000CodingStyle *codsty = &s->codsty;
559
560
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 68 for (compno = 0; compno < s->ncomponents; compno++){
561 52 int gbandno = 0;
562
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 416 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){
563 364 int nbands, lev = codsty->nreslevels - reslevelno - 1;
564
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 364 nbands = reslevelno ? 3 : 1;
565
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 1352 for (bandno = 0; bandno < nbands; bandno++, gbandno++){
566 988 int expn, mant = 0;
567
568
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 988 if (codsty->transform == FF_DWT97_INT){
569 228 int bandpos = bandno + (reslevelno>0),
570 228 ss = 81920000 / dwt_norms[0][bandpos][lev],
571 228 log = av_log2(ss);
572
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 228 mant = (11 - log < 0 ? ss >> log - 11 : ss << 11 - log) & 0x7ff;
573 228 expn = s->cbps[compno] - log + 13;
574 } else
575 760 expn = ((bandno&2)>>1) + (reslevelno>0) + s->cbps[compno];
576
577 988 qntsty->expn[gbandno] = expn;
578 988 qntsty->mant[gbandno] = mant;
579 }
580 }
581 }
582 16 }
583
584 16 static av_cold void init_luts(void)
585 {
586 int i, a,
587 16 mask = ~((1<<NMSEDEC_FRACBITS)-1);
588
589
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 2064 for (i = 0; i < (1 << NMSEDEC_BITS); i++){
590 2048 lut_nmsedec_sig[i] = FFMAX((3 * i << (13 - NMSEDEC_FRACBITS)) - (9 << 11), 0);
591 2048 lut_nmsedec_sig0[i] = FFMAX((i*i + (1<<NMSEDEC_FRACBITS-1) & mask) << 1, 0);
592
593 2048 a = (i >> (NMSEDEC_BITS-2)&2) + 1;
594 2048 lut_nmsedec_ref[i] = FFMAX((a - 2) * (i << (13 - NMSEDEC_FRACBITS)) +
595 (1 << 13) - (a * a << 11), 0);
596 2048 lut_nmsedec_ref0[i] = FFMAX(((i * i - (i << NMSEDEC_BITS) + (1 << 2 * NMSEDEC_FRACBITS) + (1 << (NMSEDEC_FRACBITS - 1))) & mask)
597 << 1, 0);
598 }
599 16 ff_jpeg2000_init_tier1_luts();
600 16 }
601
602 /* tier-1 routines */
603 164090682 static int getnmsedec_sig(int x, int bpno)
604 {
605
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 164090682 if (bpno > NMSEDEC_FRACBITS)
606 146013952 return lut_nmsedec_sig[(x >> (bpno - NMSEDEC_FRACBITS)) & ((1 << NMSEDEC_BITS) - 1)];
607 18076730 return lut_nmsedec_sig0[x & ((1 << NMSEDEC_BITS) - 1)];
608 }
609
610 695017080 static int getnmsedec_ref(int x, int bpno)
611 {
612
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 695017080 if (bpno > NMSEDEC_FRACBITS)
613 549003128 return lut_nmsedec_ref[(x >> (bpno - NMSEDEC_FRACBITS)) & ((1 << NMSEDEC_BITS) - 1)];
614 146013952 return lut_nmsedec_ref0[x & ((1 << NMSEDEC_BITS) - 1)];
615 }
616
617 6655953 static void encode_sigpass(Jpeg2000T1Context *t1, int width, int height, int bandno, int *nmsedec, int bpno)
618 {
619 6655953 int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS);
620
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 30482774 for (y0 = 0; y0 < height; y0 += 4)
621
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 385288928 for (x = 0; x < width; x++)
622
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 1801524562 for (y = y0; y < height && y < y0+4; y++){
623
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 1440062455 if (!(t1->flags[(y+1) * t1->stride + x+1] & JPEG2000_T1_SIG) && (t1->flags[(y+1) * t1->stride + x+1] & JPEG2000_T1_SIG_NB)){
624 379612927 int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno),
625 379612927 bit = t1->data[(y) * t1->stride + x] & mask ? 1 : 0;
626 379612927 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, bit);
627
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 379612927 if (bit){
628 int xorbit;
629 134620397 int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit);
630 134620397 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit);
631 134620397 *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS);
632 134620397 ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15);
633 }
634 379612927 t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_VIS;
635 }
636 }
637 6655953 }
638
639 6655953 static void encode_refpass(Jpeg2000T1Context *t1, int width, int height, int *nmsedec, int bpno)
640 {
641 6655953 int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS);
642
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 30482774 for (y0 = 0; y0 < height; y0 += 4)
643
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 385288928 for (x = 0; x < width; x++)
644
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 1801524562 for (y = y0; y < height && y < y0+4; y++)
645
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 1440062455 if ((t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS)) == JPEG2000_T1_SIG){
646 695017080 int ctxno = ff_jpeg2000_getrefctxno(t1->flags[(y+1) * t1->stride + x+1]);
647 695017080 *nmsedec += getnmsedec_ref(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS);
648 695017080 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0);
649 695017080 t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_REF;
650 }
651 6655953 }
652
653 7483372 static void encode_clnpass(Jpeg2000T1Context *t1, int width, int height, int bandno, int *nmsedec, int bpno)
654 {
655 7483372 int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS);
656
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657
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 434242366 for (x = 0; x < width; x++){
658
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 407408926 if (y0 + 3 < height && !(
659
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 404831834 (t1->flags[(y0+1) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) ||
660
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 116790876 (t1->flags[(y0+2) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) ||
661
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 105766238 (t1->flags[(y0+3) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) ||
662
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 96646236 (t1->flags[(y0+4) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG))))
663 7209020 {
664 // aggregation mode
665 int rlen;
666
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 442747432 for (rlen = 0; rlen < 4; rlen++)
667
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 357893781 if (t1->data[(y0+rlen) * t1->stride + x] & mask)
668 7209020 break;
669 92062671 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_RL, rlen != 4);
670
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 92062671 if (rlen == 4)
671 84853651 continue;
672 7209020 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_UNI, rlen >> 1);
673 7209020 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_UNI, rlen & 1);
674
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 24774943 for (y = y0 + rlen; y < y0 + 4; y++){
675
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 17565923 if (!(t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))){
676 17565923 int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno);
677
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 17565923 if (y > y0 + rlen)
678 10356903 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0);
679
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 17565923 if (t1->data[(y) * t1->stride + x] & mask){ // newly significant
680 int xorbit;
681 8653162 int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit);
682 8653162 *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS);
683 8653162 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit);
684 8653162 ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15);
685 }
686 }
687 17565923 t1->flags[(y+1) * t1->stride + x+1] &= ~JPEG2000_T1_VIS;
688 }
689 } else{
690
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 1570332944 for (y = y0; y < y0 + 4 && y < height; y++){
691
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 1254986689 if (!(t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))){
692 180356682 int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno);
693 180356682 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0);
694
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 180356682 if (t1->data[(y) * t1->stride + x] & mask){ // newly significant
695 int xorbit;
696 20817123 int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit);
697 20817123 *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS);
698 20817123 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit);
699 20817123 ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15);
700 }
701 }
702 1254986689 t1->flags[(y+1) * t1->stride + x+1] &= ~JPEG2000_T1_VIS;
703 }
704 }
705 }
706 7483372 }
707
708 895700 static void encode_cblk(Jpeg2000EncoderContext *s, Jpeg2000T1Context *t1, Jpeg2000Cblk *cblk, Jpeg2000Tile *tile,
709 int width, int height, int bandpos, int lev)
710 {
711 895700 int pass_t = 2, passno, x, y, max=0, nmsedec, bpno;
712 895700 int64_t wmsedec = 0;
713
714 895700 memset(t1->flags, 0, t1->stride * (height + 2) * sizeof(*t1->flags));
715
716
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 13807950 for (y = 0; y < height; y++){
717
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 211346850 for (x = 0; x < width; x++){
718
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 198434600 if (t1->data[(y) * t1->stride + x] < 0){
719 81359665 t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_SGN;
720 81359665 t1->data[(y) * t1->stride + x] = -t1->data[(y) * t1->stride + x];
721 }
722 198434600 max = FFMAX(max, t1->data[(y) * t1->stride + x]);
723 }
724 }
725
726
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 895700 if (max == 0){
727 68280 cblk->nonzerobits = 0;
728 } else{
729 827420 cblk->nonzerobits = av_log2(max) + 1 - NMSEDEC_FRACBITS;
730 }
731 895700 bpno = cblk->nonzerobits - 1;
732
733 895700 cblk->data[0] = 0;
734 895700 ff_mqc_initenc(&t1->mqc, cblk->data + 1);
735
736
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 21690978 for (passno = 0; bpno >= 0; passno++){
737 20795278 nmsedec=0;
738
739
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 20795278 switch(pass_t){
740 6655953 case 0: encode_sigpass(t1, width, height, bandpos, &nmsedec, bpno);
741 6655953 break;
742 6655953 case 1: encode_refpass(t1, width, height, &nmsedec, bpno);
743 6655953 break;
744 7483372 case 2: encode_clnpass(t1, width, height, bandpos, &nmsedec, bpno);
745 7483372 break;
746 }
747
748 20795278 cblk->passes[passno].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno].flushed, &cblk->passes[passno].flushed_len);
749 20795278 cblk->passes[passno].rate -= cblk->passes[passno].flushed_len;
750
751 20795278 wmsedec += (int64_t)nmsedec << (2*bpno);
752 20795278 cblk->passes[passno].disto = wmsedec;
753
754
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 20795278 if (++pass_t == 3){
755 7483372 pass_t = 0;
756 7483372 bpno--;
757 }
758 }
759 895700 cblk->npasses = passno;
760 895700 cblk->ninclpasses = passno;
761
762
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 895700 if (passno) {
763 827419 cblk->passes[passno-1].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno-1].flushed, &cblk->passes[passno-1].flushed_len);
764 827419 cblk->passes[passno-1].rate -= cblk->passes[passno-1].flushed_len;
765 }
766 895700 }
767
768 /* tier-2 routines: */
769
770 794793 static void putnumpasses(Jpeg2000EncoderContext *s, int n)
771 {
772
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 794793 if (n == 1)
773 40682 put_num(s, 0, 1);
774
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 754111 else if (n == 2)
775 14650 put_num(s, 2, 2);
776
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 739461 else if (n <= 5)
777 109246 put_num(s, 0xc | (n-3), 4);
778
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 630215 else if (n <= 36)
779 587281 put_num(s, 0x1e0 | (n-6), 9);
780 else
781 42934 put_num(s, 0xff80 | (n-37), 16);
782 794793 }
783
784
785 59150 static int encode_packet(Jpeg2000EncoderContext *s, Jpeg2000ResLevel *rlevel, int layno,
786 int precno, const uint8_t *expn, int numgbits, int packetno,
787 int nlayers)
788 {
789 59150 int bandno, empty = 1;
790 int i;
791 // init bitstream
792 59150 *s->buf = 0;
793 59150 s->bit_index = 0;
794
795
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 59150 if (s->sop) {
796 ✗ bytestream_put_be16(&s->buf, JPEG2000_SOP);
797 ✗ bytestream_put_be16(&s->buf, 4);
798 ✗ bytestream_put_be16(&s->buf, packetno);
799 }
800 // header
801
802
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 59150 if (!layno) {
803
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 219700 for (bandno = 0; bandno < rlevel->nbands; bandno++) {
804 160550 Jpeg2000Band *band = rlevel->band + bandno;
805
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 160550 if (band->coord[0][0] < band->coord[0][1]
806
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 160550 && band->coord[1][0] < band->coord[1][1]) {
807 152750 Jpeg2000Prec *prec = band->prec + precno;
808 152750 int nb_cblks = prec->nb_codeblocks_height * prec->nb_codeblocks_width;
809 int pos;
810 152750 ff_tag_tree_zero(prec->zerobits, prec->nb_codeblocks_width, prec->nb_codeblocks_height, 99);
811 152750 ff_tag_tree_zero(prec->cblkincl, prec->nb_codeblocks_width, prec->nb_codeblocks_height, 99);
812
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 1048450 for (pos = 0; pos < nb_cblks; pos++) {
813 895700 Jpeg2000Cblk *cblk = &prec->cblk[pos];
814 895700 prec->zerobits[pos].val = expn[bandno] + numgbits - 1 - cblk->nonzerobits;
815 895700 cblk->incl = 0;
816 895700 cblk->lblock = 3;
817 895700 tag_tree_update(prec->zerobits + pos);
818
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 996607 for (i = 0; i < nlayers; i++) {
819
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 895700 if (cblk->layers[i].npasses > 0) {
820 794793 prec->cblkincl[pos].val = i;
821 794793 break;
822 }
823 }
824
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 895700 if (i == nlayers)
825 100907 prec->cblkincl[pos].val = i;
826 895700 tag_tree_update(prec->cblkincl + pos);
827 }
828 }
829 }
830 }
831
832 // is the packet empty?
833
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 70883 for (bandno = 0; bandno < rlevel->nbands; bandno++){
834 66972 Jpeg2000Band *band = rlevel->band + bandno;
835
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 66972 if (band->coord[0][0] < band->coord[0][1]
836
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 66972 && band->coord[1][0] < band->coord[1][1]) {
837 66362 Jpeg2000Prec *prec = band->prec + precno;
838 66362 int nb_cblks = prec->nb_codeblocks_height * prec->nb_codeblocks_width;
839 int pos;
840
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 134873 for (pos = 0; pos < nb_cblks; pos++) {
841 123750 Jpeg2000Cblk *cblk = &prec->cblk[pos];
842
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 123750 if (cblk->layers[layno].npasses) {
843 55239 empty = 0;
844 55239 break;
845 }
846 }
847
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 66362 if (!empty)
848 55239 break;
849 }
850 }
851
852 59150 put_bits(s, !empty, 1);
853
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 59150 if (empty){
854 3911 j2k_flush(s);
855
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 3911 if (s->eph)
856 ✗ bytestream_put_be16(&s->buf, JPEG2000_EPH);
857 3911 return 0;
858 }
859
860
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 204068 for (bandno = 0; bandno < rlevel->nbands; bandno++) {
861 148829 Jpeg2000Band *band = rlevel->band + bandno;
862 148829 Jpeg2000Prec *prec = band->prec + precno;
863 int yi, xi, pos;
864 148829 int cblknw = prec->nb_codeblocks_width;
865
866
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 148829 if (band->coord[0][0] == band->coord[0][1]
867
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 148829 || band->coord[1][0] == band->coord[1][1])
868 7190 continue;
869
870
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 403878 for (pos=0, yi = 0; yi < prec->nb_codeblocks_height; yi++) {
871
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 1089678 for (xi = 0; xi < cblknw; xi++, pos++){
872 827439 int llen = 0, length;
873 827439 Jpeg2000Cblk *cblk = prec->cblk + yi * cblknw + xi;
874
875
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 827439 if (s->buf_end - s->buf < 20) // approximately
876 ✗ return -1;
877
878 // inclusion information
879
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 827439 if (!cblk->incl)
880 827439 tag_tree_code(s, prec->cblkincl + pos, layno + 1);
881 else {
882 ✗ put_bits(s, cblk->layers[layno].npasses > 0, 1);
883 }
884
885
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 827439 if (!cblk->layers[layno].npasses)
886 32646 continue;
887
888 // zerobits information
889
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 794793 if (!cblk->incl) {
890 794793 tag_tree_code(s, prec->zerobits + pos, 100);
891 794793 cblk->incl = 1;
892 }
893
894 // number of passes
895 794793 putnumpasses(s, cblk->layers[layno].npasses);
896
897 794793 length = cblk->layers[layno].data_len;
898
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 794793 if (layno == nlayers - 1 && cblk->layers[layno].cum_passes){
899 794793 length += cblk->passes[cblk->layers[layno].cum_passes-1].flushed_len;
900 }
901
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 794793 if (cblk->lblock + av_log2(cblk->layers[layno].npasses) < av_log2(length) + 1) {
902 393015 llen = av_log2(length) + 1 - cblk->lblock - av_log2(cblk->layers[layno].npasses);
903 }
904
905 // length of code block
906 794793 cblk->lblock += llen;
907 794793 put_bits(s, 1, llen);
908 794793 put_bits(s, 0, 1);
909 794793 put_num(s, length, cblk->lblock + av_log2(cblk->layers[layno].npasses));
910 }
911 }
912 }
913 55239 j2k_flush(s);
914
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 55239 if (s->eph) {
915 ✗ bytestream_put_be16(&s->buf, JPEG2000_EPH);
916 }
917
918
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 204068 for (bandno = 0; bandno < rlevel->nbands; bandno++) {
919 148829 Jpeg2000Band *band = rlevel->band + bandno;
920 148829 Jpeg2000Prec *prec = band->prec + precno;
921 148829 int yi, cblknw = prec->nb_codeblocks_width;
922
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 418258 for (yi =0; yi < prec->nb_codeblocks_height; yi++) {
923 int xi;
924
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 1104058 for (xi = 0; xi < cblknw; xi++){
925 834629 Jpeg2000Cblk *cblk = prec->cblk + yi * cblknw + xi;
926
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 834629 if (cblk->layers[layno].npasses) {
927
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 794793 if (s->buf_end - s->buf < cblk->layers[layno].data_len + 2)
928 ✗ return -1;
929 794793 bytestream_put_buffer(&s->buf, cblk->layers[layno].data_start + 1, cblk->layers[layno].data_len);
930
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 794793 if (layno == nlayers - 1 && cblk->layers[layno].cum_passes) {
931 794793 bytestream_put_buffer(&s->buf, cblk->passes[cblk->layers[layno].cum_passes-1].flushed,
932 794793 cblk->passes[cblk->layers[layno].cum_passes-1].flushed_len);
933 }
934 }
935 }
936 }
937 }
938 55239 return 0;
939 }
940
941 2600 static int encode_packets(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno, int nlayers)
942 {
943 int compno, reslevelno, layno, ret;
944 2600 Jpeg2000CodingStyle *codsty = &s->codsty;
945 2600 Jpeg2000QuantStyle *qntsty = &s->qntsty;
946 2600 int packetno = 0;
947 int step_x, step_y;
948 int x, y;
949 int tile_coord[2][2];
950 2600 int col = tileno % s->numXtiles;
951 2600 int row = tileno / s->numXtiles;
952
953 2600 tile_coord[0][0] = col * s->tile_width;
954 2600 tile_coord[0][1] = FFMIN(tile_coord[0][0] + s->tile_width, s->width);
955 2600 tile_coord[1][0] = row * s->tile_height;
956 2600 tile_coord[1][1] = FFMIN(tile_coord[1][0] + s->tile_height, s->height);
957
958 2600 av_log(s->avctx, AV_LOG_DEBUG, "tier2\n");
959 // lay-rlevel-comp-pos progression
960
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 2600 switch (s->prog) {
961 2600 case JPEG2000_PGOD_LRCP:
962
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 5200 for (layno = 0; layno < nlayers; layno++) {
963
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 20800 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){
964
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 77350 for (compno = 0; compno < s->ncomponents; compno++){
965 int precno;
966 59150 Jpeg2000ResLevel *reslevel = s->tile[tileno].comp[compno].reslevel + reslevelno;
967
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 118300 for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
968
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 59150 if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0),
969
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 59150 qntsty->nguardbits, packetno++, nlayers)) < 0)
970 ✗ return ret;
971 }
972 }
973 }
974 }
975 2600 break;
976 ✗ case JPEG2000_PGOD_RLCP:
977 ✗ for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){
978 ✗ for (layno = 0; layno < nlayers; layno++) {
979 ✗ for (compno = 0; compno < s->ncomponents; compno++){
980 int precno;
981 ✗ Jpeg2000ResLevel *reslevel = s->tile[tileno].comp[compno].reslevel + reslevelno;
982 ✗ for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
983 ✗ if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0),
984 ✗ qntsty->nguardbits, packetno++, nlayers)) < 0)
985 ✗ return ret;
986 }
987 }
988 }
989 }
990 ✗ break;
991 ✗ case JPEG2000_PGOD_RPCL:
992 ✗ for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) {
993 int precno;
994 ✗ step_x = 30;
995 ✗ step_y = 30;
996 ✗ for (compno = 0; compno < s->ncomponents; compno++) {
997 ✗ Jpeg2000Component *comp = tile->comp + compno;
998 ✗ if (reslevelno < codsty->nreslevels) {
999 ✗ uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
1000 ✗ Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno;
1001 ✗ step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno);
1002 ✗ step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno);
1003 }
1004 }
1005
1006 ✗ step_x = 1<<step_x;
1007 ✗ step_y = 1<<step_y;
1008 ✗ for (y = tile_coord[1][0]; y < tile_coord[1][1]; y = (y/step_y + 1)*step_y) {
1009 ✗ for (x = tile_coord[0][0]; x < tile_coord[0][1]; x = (x/step_x + 1)*step_x) {
1010 ✗ for (compno = 0; compno < s->ncomponents; compno++) {
1011 ✗ Jpeg2000Component *comp = tile->comp + compno;
1012 ✗ uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
1013 ✗ Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
1014 ✗ int log_subsampling[2] = { (compno+1&2)?s->chroma_shift[0]:0, (compno+1&2)?s->chroma_shift[1]:0};
1015 unsigned prcx, prcy;
1016 int trx0, try0;
1017
1018 ✗ trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno);
1019 ✗ try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno);
1020
1021 ✗ if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 ||
1022 ✗ (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height)))))
1023 ✗ continue;
1024
1025 ✗ if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 ||
1026 ✗ (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width)))))
1027 ✗ continue;
1028
1029 // check if a precinct exists
1030 ✗ prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width;
1031 ✗ prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height;
1032 ✗ prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width;
1033 ✗ prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height;
1034 ✗ precno = prcx + reslevel->num_precincts_x * prcy;
1035
1036 ✗ if (prcx >= reslevel->num_precincts_x || prcy >= reslevel->num_precincts_y) {
1037 ✗ av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n",
1038 prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y);
1039 ✗ continue;
1040 }
1041 ✗ for (layno = 0; layno < nlayers; layno++) {
1042 ✗ if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0),
1043 ✗ qntsty->nguardbits, packetno++, nlayers)) < 0)
1044 ✗ return ret;
1045 }
1046 }
1047 }
1048 }
1049 }
1050 ✗ break;
1051 ✗ case JPEG2000_PGOD_PCRL:
1052 ✗ step_x = 32;
1053 ✗ step_y = 32;
1054 ✗ for (compno = 0; compno < s->ncomponents; compno++) {
1055 ✗ Jpeg2000Component *comp = tile->comp + compno;
1056
1057 ✗ for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) {
1058 ✗ uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
1059 ✗ Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno;
1060 ✗ step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno);
1061 ✗ step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno);
1062 }
1063 }
1064 ✗ if (step_x >= 31 || step_y >= 31){
1065 ✗ avpriv_request_sample(s->avctx, "PCRL with large step");
1066 ✗ return AVERROR_PATCHWELCOME;
1067 }
1068 ✗ step_x = 1<<step_x;
1069 ✗ step_y = 1<<step_y;
1070
1071 ✗ for (y = tile_coord[1][0]; y < tile_coord[1][1]; y = (y/step_y + 1)*step_y) {
1072 ✗ for (x = tile_coord[0][0]; x < tile_coord[0][1]; x = (x/step_x + 1)*step_x) {
1073 ✗ for (compno = 0; compno < s->ncomponents; compno++) {
1074 ✗ Jpeg2000Component *comp = tile->comp + compno;
1075 ✗ int log_subsampling[2] = { (compno+1&2)?s->chroma_shift[0]:0, (compno+1&2)?s->chroma_shift[1]:0};
1076
1077 ✗ for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) {
1078 unsigned prcx, prcy;
1079 int precno;
1080 ✗ uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
1081 ✗ Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
1082 int trx0, try0;
1083
1084 ✗ trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno);
1085 ✗ try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno);
1086
1087 ✗ if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 ||
1088 ✗ (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height)))))
1089 ✗ continue;
1090
1091 ✗ if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 ||
1092 ✗ (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width)))))
1093 ✗ continue;
1094
1095 // check if a precinct exists
1096 ✗ prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width;
1097 ✗ prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height;
1098 ✗ prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width;
1099 ✗ prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height;
1100
1101 ✗ precno = prcx + reslevel->num_precincts_x * prcy;
1102
1103 ✗ if (prcx >= reslevel->num_precincts_x || prcy >= reslevel->num_precincts_y) {
1104 ✗ av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n",
1105 prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y);
1106 ✗ continue;
1107 }
1108 ✗ for (layno = 0; layno < nlayers; layno++) {
1109 ✗ if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0),
1110 ✗ qntsty->nguardbits, packetno++, nlayers)) < 0)
1111 ✗ return ret;
1112 }
1113 }
1114 }
1115 }
1116 }
1117 ✗ break;
1118 ✗ case JPEG2000_PGOD_CPRL:
1119 ✗ for (compno = 0; compno < s->ncomponents; compno++) {
1120 ✗ Jpeg2000Component *comp = tile->comp + compno;
1121 ✗ int log_subsampling[2] = { (compno+1&2)?s->chroma_shift[0]:0, (compno+1&2)?s->chroma_shift[1]:0};
1122 ✗ step_x = 32;
1123 ✗ step_y = 32;
1124
1125 ✗ for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) {
1126 ✗ uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
1127 ✗ Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno;
1128 ✗ step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno);
1129 ✗ step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno);
1130 }
1131 ✗ if (step_x >= 31 || step_y >= 31){
1132 ✗ avpriv_request_sample(s->avctx, "CPRL with large step");
1133 ✗ return AVERROR_PATCHWELCOME;
1134 }
1135 ✗ step_x = 1<<step_x;
1136 ✗ step_y = 1<<step_y;
1137
1138 ✗ for (y = tile_coord[1][0]; y < tile_coord[1][1]; y = (y/step_y + 1)*step_y) {
1139 ✗ for (x = tile_coord[0][0]; x < tile_coord[0][1]; x = (x/step_x + 1)*step_x) {
1140 ✗ for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) {
1141 unsigned prcx, prcy;
1142 int precno;
1143 int trx0, try0;
1144 ✗ uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
1145 ✗ Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
1146
1147 ✗ trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno);
1148 ✗ try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno);
1149
1150 ✗ if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 ||
1151 ✗ (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height)))))
1152 ✗ continue;
1153
1154 ✗ if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 ||
1155 ✗ (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width)))))
1156 ✗ continue;
1157
1158 // check if a precinct exists
1159 ✗ prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width;
1160 ✗ prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height;
1161 ✗ prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width;
1162 ✗ prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height;
1163
1164 ✗ precno = prcx + reslevel->num_precincts_x * prcy;
1165
1166 ✗ if (prcx >= reslevel->num_precincts_x || prcy >= reslevel->num_precincts_y) {
1167 ✗ av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n",
1168 prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y);
1169 ✗ continue;
1170 }
1171 ✗ for (layno = 0; layno < nlayers; layno++) {
1172 ✗ if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0),
1173 ✗ qntsty->nguardbits, packetno++, nlayers)) < 0)
1174 ✗ return ret;
1175 }
1176 }
1177 }
1178 }
1179 }
1180
1181 }
1182
1183 2600 av_log(s->avctx, AV_LOG_DEBUG, "after tier2\n");
1184 2600 return 0;
1185 }
1186
1187 ✗ static void makelayer(Jpeg2000EncoderContext *s, int layno, double thresh, Jpeg2000Tile* tile, int final)
1188 {
1189 int compno, resno, bandno, precno, cblkno;
1190 int passno;
1191
1192 ✗ for (compno = 0; compno < s->ncomponents; compno++) {
1193 ✗ Jpeg2000Component *comp = &tile->comp[compno];
1194
1195 ✗ for (resno = 0; resno < s->codsty.nreslevels; resno++) {
1196 ✗ Jpeg2000ResLevel *reslevel = comp->reslevel + resno;
1197
1198 ✗ for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
1199 ✗ for (bandno = 0; bandno < reslevel->nbands ; bandno++){
1200 ✗ Jpeg2000Band *band = reslevel->band + bandno;
1201 ✗ Jpeg2000Prec *prec = band->prec + precno;
1202
1203 ✗ for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){
1204 ✗ Jpeg2000Cblk *cblk = prec->cblk + cblkno;
1205 ✗ Jpeg2000Layer *layer = &cblk->layers[layno];
1206 int n;
1207
1208 ✗ if (layno == 0) {
1209 ✗ cblk->ninclpasses = 0;
1210 }
1211
1212 ✗ n = cblk->ninclpasses;
1213
1214 ✗ if (thresh < 0) {
1215 ✗ n = cblk->npasses;
1216 } else {
1217 ✗ for (passno = cblk->ninclpasses; passno < cblk->npasses; passno++) {
1218 int32_t dr;
1219 double dd;
1220 ✗ Jpeg2000Pass *pass = &cblk->passes[passno];
1221
1222 ✗ if (n == 0) {
1223 ✗ dr = pass->rate;
1224 ✗ dd = pass->disto;
1225 } else {
1226 ✗ dr = pass->rate - cblk->passes[n - 1].rate;
1227 ✗ dd = pass->disto - cblk->passes[n-1].disto;
1228 }
1229
1230 ✗ if (!dr) {
1231 ✗ if (dd != 0.0) {
1232 ✗ n = passno + 1;
1233 }
1234 ✗ continue;
1235 }
1236
1237 ✗ if (thresh - (dd / dr) < DBL_EPSILON)
1238 ✗ n = passno + 1;
1239 }
1240 }
1241 ✗ layer->npasses = n - cblk->ninclpasses;
1242 ✗ layer->cum_passes = n;
1243
1244 ✗ if (layer->npasses == 0) {
1245 ✗ layer->disto = 0;
1246 ✗ layer->data_len = 0;
1247 ✗ continue;
1248 }
1249
1250 ✗ if (cblk->ninclpasses == 0) {
1251 ✗ layer->data_len = cblk->passes[n - 1].rate;
1252 ✗ layer->data_start = cblk->data;
1253 ✗ layer->disto = cblk->passes[n - 1].disto;
1254 } else {
1255 ✗ layer->data_len = cblk->passes[n - 1].rate - cblk->passes[cblk->ninclpasses - 1].rate;
1256 ✗ layer->data_start = cblk->data + cblk->passes[cblk->ninclpasses - 1].rate;
1257 ✗ layer->disto = cblk->passes[n - 1].disto -
1258 ✗ cblk->passes[cblk->ninclpasses - 1].disto;
1259 }
1260 ✗ if (final) {
1261 ✗ cblk->ninclpasses = n;
1262 }
1263 }
1264 }
1265 }
1266 }
1267 }
1268 ✗ }
1269
1270 ✗ static void makelayers(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile)
1271 {
1272 int precno, compno, reslevelno, bandno, cblkno, passno, layno;
1273 int i;
1274 ✗ double min = DBL_MAX;
1275 ✗ double max = 0;
1276 double thresh;
1277
1278 ✗ Jpeg2000CodingStyle *codsty = &s->codsty;
1279
1280 ✗ for (compno = 0; compno < s->ncomponents; compno++){
1281 ✗ Jpeg2000Component *comp = tile->comp + compno;
1282
1283 ✗ for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){
1284 ✗ Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
1285
1286 ✗ for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
1287 ✗ for (bandno = 0; bandno < reslevel->nbands ; bandno++){
1288 ✗ Jpeg2000Band *band = reslevel->band + bandno;
1289 ✗ Jpeg2000Prec *prec = band->prec + precno;
1290
1291 ✗ for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){
1292 ✗ Jpeg2000Cblk *cblk = prec->cblk + cblkno;
1293 ✗ for (passno = 0; passno < cblk->npasses; passno++) {
1294 ✗ Jpeg2000Pass *pass = &cblk->passes[passno];
1295 int dr;
1296 double dd, drslope;
1297
1298 ✗ if (passno == 0) {
1299 ✗ dr = (int32_t)pass->rate;
1300 ✗ dd = pass->disto;
1301 } else {
1302 ✗ dr = (int32_t)(pass->rate - cblk->passes[passno - 1].rate);
1303 ✗ dd = pass->disto - cblk->passes[passno - 1].disto;
1304 }
1305
1306 ✗ if (dr <= 0)
1307 ✗ continue;
1308
1309 ✗ drslope = dd / dr;
1310 ✗ if (drslope < min)
1311 ✗ min = drslope;
1312
1313 ✗ if (drslope > max)
1314 ✗ max = drslope;
1315 }
1316 }
1317 }
1318 }
1319 }
1320 }
1321
1322 ✗ for (layno = 0; layno < s->nlayers; layno++) {
1323 ✗ double lo = min;
1324 ✗ double hi = max;
1325 ✗ double stable_thresh = 0.0;
1326 ✗ double good_thresh = 0.0;
1327 ✗ if (!s->layer_rates[layno]) {
1328 ✗ good_thresh = -1.0;
1329 } else {
1330 ✗ for (i = 0; i < 128; i++) {
1331 ✗ uint8_t *stream_pos = s->buf;
1332 int ret;
1333 ✗ thresh = (lo + hi) / 2;
1334 ✗ makelayer(s, layno, thresh, tile, 0);
1335 ✗ ret = encode_packets(s, tile, (int)(tile - s->tile), layno + 1);
1336 ✗ memset(stream_pos, 0, s->buf - stream_pos);
1337 ✗ if ((s->buf - stream_pos > ceil(tile->layer_rates[layno])) || ret < 0) {
1338 ✗ lo = thresh;
1339 ✗ s->buf = stream_pos;
1340 ✗ continue;
1341 }
1342 ✗ hi = thresh;
1343 ✗ stable_thresh = thresh;
1344 ✗ s->buf = stream_pos;
1345 }
1346 }
1347 ✗ if (good_thresh >= 0.0)
1348 ✗ good_thresh = stable_thresh == 0.0 ? thresh : stable_thresh;
1349 ✗ makelayer(s, layno, good_thresh, tile, 1);
1350 }
1351 ✗ }
1352
1353 903500 static int getcut(Jpeg2000Cblk *cblk, uint64_t lambda)
1354 {
1355 903500 int passno, res = 0;
1356
2/2
✓ Branch 0 taken 20795278 times.
✓ Branch 1 taken 903500 times.
 21698778 for (passno = 0; passno < cblk->npasses; passno++){
1357 int dr;
1358 int64_t dd;
1359
1360 41590556 dr = cblk->passes[passno].rate
1361
2/2
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✓ Branch 1 taken 1134669 times.
 20795278 - (res ? cblk->passes[res-1].rate : 0);
1362 41590556 dd = cblk->passes[passno].disto
1363
2/2
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 20795278 - (res ? cblk->passes[res-1].disto : 0);
1364
1365
2/2
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✓ Branch 1 taken 9490460 times.
 20795278 if (dd >= dr * lambda)
1366 11304818 res = passno+1;
1367 }
1368 903500 return res;
1369 }
1370
1371 2600 static void truncpasses(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile)
1372 {
1373 int precno, compno, reslevelno, bandno, cblkno, lev;
1374 2600 Jpeg2000CodingStyle *codsty = &s->codsty;
1375
1376
2/2
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 11050 for (compno = 0; compno < s->ncomponents; compno++){
1377 8450 Jpeg2000Component *comp = tile->comp + compno;
1378
1379
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 67600 for (reslevelno = 0, lev = codsty->nreslevels-1; reslevelno < codsty->nreslevels; reslevelno++, lev--){
1380 59150 Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
1381
1382
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 118300 for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
1383
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 219700 for (bandno = 0; bandno < reslevel->nbands ; bandno++){
1384 160550 int bandpos = bandno + (reslevelno > 0);
1385 160550 Jpeg2000Band *band = reslevel->band + bandno;
1386 160550 Jpeg2000Prec *prec = band->prec + precno;
1387
1388 160550 int64_t dwt_norm = dwt_norms[codsty->transform == FF_DWT53][bandpos][lev] * (int64_t)band->i_stepsize >> 15;
1389 160550 int64_t lambda_prime = av_rescale(s->lambda, 1 << WMSEDEC_SHIFT, dwt_norm * dwt_norm);
1390
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 1064050 for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){
1391 903500 Jpeg2000Cblk *cblk = prec->cblk + cblkno;
1392
1393 903500 cblk->ninclpasses = getcut(cblk, lambda_prime);
1394 903500 cblk->layers[0].data_start = cblk->data;
1395 903500 cblk->layers[0].cum_passes = cblk->ninclpasses;
1396 903500 cblk->layers[0].npasses = cblk->ninclpasses;
1397
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 903500 if (cblk->ninclpasses)
1398 794793 cblk->layers[0].data_len = cblk->passes[cblk->ninclpasses - 1].rate;
1399 }
1400 }
1401 }
1402 }
1403 }
1404 2600 }
1405
1406 2600 static int encode_tile(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno)
1407 {
1408 int compno, reslevelno, bandno, ret;
1409 Jpeg2000T1Context t1;
1410 2600 Jpeg2000CodingStyle *codsty = &s->codsty;
1411
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 11050 for (compno = 0; compno < s->ncomponents; compno++){
1412 8450 Jpeg2000Component *comp = s->tile[tileno].comp + compno;
1413
1414 8450 t1.stride = (1<<codsty->log2_cblk_width) + 2;
1415
1416 8450 av_log(s->avctx, AV_LOG_DEBUG,"dwt\n");
1417
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 8450 times.
 8450 if ((ret = ff_dwt_encode(&comp->dwt, comp->i_data)) < 0)
1418 ✗ return ret;
1419 8450 av_log(s->avctx, AV_LOG_DEBUG,"after dwt -> tier1\n");
1420
1421
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 67600 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){
1422 59150 Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
1423
1424
2/2
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 219700 for (bandno = 0; bandno < reslevel->nbands ; bandno++){
1425 160550 Jpeg2000Band *band = reslevel->band + bandno;
1426 160550 Jpeg2000Prec *prec = band->prec; // we support only 1 precinct per band ATM in the encoder
1427 160550 int cblkx, cblky, cblkno=0, xx0, x0, xx1, y0, yy0, yy1, bandpos;
1428
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 160550 yy0 = bandno == 0 ? 0 : comp->reslevel[reslevelno-1].coord[1][1] - comp->reslevel[reslevelno-1].coord[1][0];
1429 160550 y0 = yy0;
1430
2/2
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✓ Branch 2 taken 60450 times.
 160550 yy1 = FFMIN(ff_jpeg2000_ceildivpow2(band->coord[1][0] + 1, band->log2_cblk_height) << band->log2_cblk_height,
1431 160550 band->coord[1][1]) - band->coord[1][0] + yy0;
1432
1433
3/4
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✗ Branch 1 not taken.
✓ Branch 2 taken 7800 times.
✓ Branch 3 taken 152750 times.
 160550 if (band->coord[0][0] == band->coord[0][1] || band->coord[1][0] == band->coord[1][1])
1434 7800 continue;
1435
1436 152750 bandpos = bandno + (reslevelno > 0);
1437
1438
2/2
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 436150 for (cblky = 0; cblky < prec->nb_codeblocks_height; cblky++){
1439
4/4
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✓ Branch 1 taken 8450 times.
✓ Branch 2 taken 90350 times.
✓ Branch 3 taken 184600 times.
 283400 if (reslevelno == 0 || bandno == 1)
1440 98800 xx0 = 0;
1441 else
1442 184600 xx0 = comp->reslevel[reslevelno-1].coord[0][1] - comp->reslevel[reslevelno-1].coord[0][0];
1443 283400 x0 = xx0;
1444
2/2
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✓ Branch 2 taken 196950 times.
 283400 xx1 = FFMIN(ff_jpeg2000_ceildivpow2(band->coord[0][0] + 1, band->log2_cblk_width) << band->log2_cblk_width,
1445 283400 band->coord[0][1]) - band->coord[0][0] + xx0;
1446
1447
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 1179100 for (cblkx = 0; cblkx < prec->nb_codeblocks_width; cblkx++, cblkno++){
1448 int y, x;
1449
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 895700 if (codsty->transform == FF_DWT53){
1450
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 10621500 for (y = yy0; y < yy1; y++){
1451 9932500 int *ptr = t1.data + (y-yy0)*t1.stride;
1452
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 162574500 for (x = xx0; x < xx1; x++){
1453 152642000 *ptr++ = comp->i_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x] * (1 << NMSEDEC_FRACBITS);
1454 }
1455 }
1456 } else{
1457
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 3186450 for (y = yy0; y < yy1; y++){
1458 2979750 int *ptr = t1.data + (y-yy0)*t1.stride;
1459
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 48772350 for (x = xx0; x < xx1; x++){
1460 45792600 *ptr = (comp->i_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x]);
1461 45792600 *ptr = (int64_t)*ptr * (int64_t)(16384 * 65536 / band->i_stepsize) >> 15 - NMSEDEC_FRACBITS;
1462 45792600 ptr++;
1463 }
1464 }
1465 }
1466
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 895700 if (!prec->cblk[cblkno].data)
1467 17914 prec->cblk[cblkno].data = av_malloc(1 + 8192);
1468
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 895700 if (!prec->cblk[cblkno].passes)
1469 17914 prec->cblk[cblkno].passes = av_malloc_array(JPEG2000_MAX_PASSES, sizeof (*prec->cblk[cblkno].passes));
1470
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✓ Branch 3 taken 895700 times.
 895700 if (!prec->cblk[cblkno].data || !prec->cblk[cblkno].passes)
1471 ✗ return AVERROR(ENOMEM);
1472 895700 encode_cblk(s, &t1, prec->cblk + cblkno, tile, xx1 - xx0, yy1 - yy0,
1473 895700 bandpos, codsty->nreslevels - reslevelno - 1);
1474 895700 xx0 = xx1;
1475 895700 xx1 = FFMIN(xx1 + (1 << band->log2_cblk_width), band->coord[0][1] - band->coord[0][0] + x0);
1476 }
1477 283400 yy0 = yy1;
1478 283400 yy1 = FFMIN(yy1 + (1 << band->log2_cblk_height), band->coord[1][1] - band->coord[1][0] + y0);
1479 }
1480 }
1481 }
1482 8450 av_log(s->avctx, AV_LOG_DEBUG, "after tier1\n");
1483 }
1484
1485 2600 av_log(s->avctx, AV_LOG_DEBUG, "rate control\n");
1486
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✓ Branch 1 taken 2600 times.
 2600 if (s->compression_rate_enc)
1487 ✗ makelayers(s, tile);
1488 else
1489 2600 truncpasses(s, tile);
1490
1491
1/2
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 2600 if ((ret = encode_packets(s, tile, tileno, s->nlayers)) < 0)
1492 ✗ return ret;
1493 2600 av_log(s->avctx, AV_LOG_DEBUG, "after rate control\n");
1494 2600 return 0;
1495 }
1496
1497 16 static void cleanup(Jpeg2000EncoderContext *s)
1498 {
1499 int tileno, compno;
1500 16 Jpeg2000CodingStyle *codsty = &s->codsty;
1501
1502
1/2
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✓ Branch 1 taken 16 times.
 16 if (!s->tile)
1503 ✗ return;
1504
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✓ Branch 1 taken 16 times.
 68 for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){
1505
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✗ Branch 1 not taken.
 52 if (s->tile[tileno].comp) {
1506
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 221 for (compno = 0; compno < s->ncomponents; compno++){
1507 169 Jpeg2000Component *comp = s->tile[tileno].comp + compno;
1508 169 ff_jpeg2000_cleanup(comp, codsty);
1509 }
1510 52 av_freep(&s->tile[tileno].comp);
1511 }
1512 52 av_freep(&s->tile[tileno].layer_rates);
1513 }
1514 16 av_freep(&s->tile);
1515 }
1516
1517 800 static void reinit(Jpeg2000EncoderContext *s)
1518 {
1519 int tileno, compno;
1520
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 3400 for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){
1521 2600 Jpeg2000Tile *tile = s->tile + tileno;
1522
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 11050 for (compno = 0; compno < s->ncomponents; compno++)
1523 8450 ff_jpeg2000_reinit(tile->comp + compno, &s->codsty);
1524 }
1525 800 }
1526
1527 4000 static void update_size(uint8_t *size, const uint8_t *end)
1528 {
1529 4000 AV_WB32(size, end-size);
1530 4000 }
1531
1532 800 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
1533 const AVFrame *pict, int *got_packet)
1534 {
1535 int tileno, ret;
1536 800 Jpeg2000EncoderContext *s = avctx->priv_data;
1537 uint8_t *chunkstart, *jp2cstart, *jp2hstart;
1538 800 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
1539
1540
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✓ Branch 2 taken 800 times.
 800 if ((ret = ff_alloc_packet(avctx, pkt, avctx->width*avctx->height*9 + FF_INPUT_BUFFER_MIN_SIZE)) < 0)
1541 ✗ return ret;
1542
1543 // init:
1544 800 s->buf = s->buf_start = pkt->data;
1545 800 s->buf_end = pkt->data + pkt->size;
1546
1547 800 s->picture = pict;
1548
1549 800 s->lambda = s->picture->quality * LAMBDA_SCALE;
1550
1551
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 800 if (s->cbps[0] > 8)
1552 400 copy_frame_16(s);
1553 else
1554 400 copy_frame_8(s);
1555
1556 800 reinit(s);
1557
1558
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✗ Branch 1 not taken.
 800 if (s->format == CODEC_JP2) {
1559
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 800 av_assert0(s->buf == pkt->data);
1560
1561 800 bytestream_put_be32(&s->buf, 0x0000000C);
1562 800 bytestream_put_be32(&s->buf, 0x6A502020);
1563 800 bytestream_put_be32(&s->buf, 0x0D0A870A);
1564
1565 800 chunkstart = s->buf;
1566 800 bytestream_put_be32(&s->buf, 0);
1567 800 bytestream_put_buffer(&s->buf, "ftyp", 4);
1568 800 bytestream_put_buffer(&s->buf, "jp2\040\040", 4);
1569 800 bytestream_put_be32(&s->buf, 0);
1570 800 bytestream_put_buffer(&s->buf, "jp2\040", 4);
1571 800 update_size(chunkstart, s->buf);
1572
1573 800 jp2hstart = s->buf;
1574 800 bytestream_put_be32(&s->buf, 0);
1575 800 bytestream_put_buffer(&s->buf, "jp2h", 4);
1576
1577 800 chunkstart = s->buf;
1578 800 bytestream_put_be32(&s->buf, 0);
1579 800 bytestream_put_buffer(&s->buf, "ihdr", 4);
1580 800 bytestream_put_be32(&s->buf, avctx->height);
1581 800 bytestream_put_be32(&s->buf, avctx->width);
1582 800 bytestream_put_be16(&s->buf, s->ncomponents);
1583 800 bytestream_put_byte(&s->buf, s->cbps[0]);
1584 800 bytestream_put_byte(&s->buf, 7);
1585 800 bytestream_put_byte(&s->buf, 0);
1586 800 bytestream_put_byte(&s->buf, 0);
1587 800 update_size(chunkstart, s->buf);
1588
1589 800 chunkstart = s->buf;
1590 800 bytestream_put_be32(&s->buf, 0);
1591 800 bytestream_put_buffer(&s->buf, "colr", 4);
1592 800 bytestream_put_byte(&s->buf, 1);
1593 800 bytestream_put_byte(&s->buf, 0);
1594 800 bytestream_put_byte(&s->buf, 0);
1595
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 800 if ((desc->flags & AV_PIX_FMT_FLAG_RGB) || avctx->pix_fmt == AV_PIX_FMT_PAL8) {
1596 600 bytestream_put_be32(&s->buf, 16);
1597
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 200 } else if (s->ncomponents == 1) {
1598 ✗ bytestream_put_be32(&s->buf, 17);
1599 } else {
1600 200 bytestream_put_be32(&s->buf, 18);
1601 }
1602 800 update_size(chunkstart, s->buf);
1603
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 800 if (avctx->pix_fmt == AV_PIX_FMT_PAL8) {
1604 int i;
1605 ✗ const uint8_t *palette = pict->data[1];
1606 ✗ chunkstart = s->buf;
1607 ✗ bytestream_put_be32(&s->buf, 0);
1608 ✗ bytestream_put_buffer(&s->buf, "pclr", 4);
1609 ✗ bytestream_put_be16(&s->buf, AVPALETTE_COUNT);
1610 ✗ bytestream_put_byte(&s->buf, 3); // colour channels
1611 ✗ bytestream_put_be24(&s->buf, 0x070707); //colour depths
1612 ✗ for (i = 0; i < AVPALETTE_COUNT; i++) {
1613 ✗ bytestream_put_be24(&s->buf, HAVE_BIGENDIAN ? AV_RB24(palette + 1) : AV_RL24(palette));
1614 ✗ palette += 4;
1615 }
1616 ✗ update_size(chunkstart, s->buf);
1617 ✗ chunkstart = s->buf;
1618 ✗ bytestream_put_be32(&s->buf, 0);
1619 ✗ bytestream_put_buffer(&s->buf, "cmap", 4);
1620 ✗ for (i = 0; i < 3; i++) {
1621 ✗ bytestream_put_be16(&s->buf, 0); // component
1622 ✗ bytestream_put_byte(&s->buf, 1); // palette mapping
1623 ✗ bytestream_put_byte(&s->buf, i); // index
1624 }
1625 ✗ update_size(chunkstart, s->buf);
1626 }
1627 800 update_size(jp2hstart, s->buf);
1628
1629 800 jp2cstart = s->buf;
1630 800 bytestream_put_be32(&s->buf, 0);
1631 800 bytestream_put_buffer(&s->buf, "jp2c", 4);
1632 }
1633
1634
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 800 if (s->buf_end - s->buf < 2)
1635 ✗ return -1;
1636 800 bytestream_put_be16(&s->buf, JPEG2000_SOC);
1637
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 800 if ((ret = put_siz(s)) < 0)
1638 ✗ return ret;
1639
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 800 if ((ret = put_cod(s)) < 0)
1640 ✗ return ret;
1641
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 800 if ((ret = put_qcd(s, 0)) < 0)
1642 ✗ return ret;
1643
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 800 if ((ret = put_com(s, 0)) < 0)
1644 ✗ return ret;
1645
1646
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 3400 for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){
1647 uint8_t *psotptr;
1648
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 2600 if (!(psotptr = put_sot(s, tileno)))
1649 ✗ return -1;
1650
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 2600 if (s->buf_end - s->buf < 2)
1651 ✗ return -1;
1652 2600 bytestream_put_be16(&s->buf, JPEG2000_SOD);
1653
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 2600 if ((ret = encode_tile(s, s->tile + tileno, tileno)) < 0)
1654 ✗ return ret;
1655 2600 bytestream_put_be32(&psotptr, s->buf - psotptr + 6);
1656 }
1657
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 800 if (s->buf_end - s->buf < 2)
1658 ✗ return -1;
1659 800 bytestream_put_be16(&s->buf, JPEG2000_EOC);
1660
1661
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 800 if (s->format == CODEC_JP2)
1662 800 update_size(jp2cstart, s->buf);
1663
1664 800 av_log(s->avctx, AV_LOG_DEBUG, "end\n");
1665 800 pkt->size = s->buf - s->buf_start;
1666 800 *got_packet = 1;
1667
1668 800 return 0;
1669 }
1670
1671 16 static int parse_layer_rates(Jpeg2000EncoderContext *s)
1672 {
1673 int i;
1674 char *token;
1675 16 char *saveptr = NULL;
1676 int rate;
1677 16 int nlayers = 0;
1678
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 16 if (!s->lr_str) {
1679 16 s->nlayers = 1;
1680 16 s->layer_rates[0] = 0;
1681 16 s->compression_rate_enc = 0;
1682 16 return 0;
1683 }
1684
1685 ✗ token = av_strtok(s->lr_str, ",", &saveptr);
1686 ✗ if (token && (rate = strtol(token, NULL, 10))) {
1687 ✗ s->layer_rates[0] = rate <= 1 ? 0:rate;
1688 ✗ nlayers++;
1689 } else {
1690 ✗ return AVERROR_INVALIDDATA;
1691 }
1692
1693 while (1) {
1694 ✗ token = av_strtok(NULL, ",", &saveptr);
1695 ✗ if (!token)
1696 ✗ break;
1697 ✗ if (rate = strtol(token, NULL, 10)) {
1698 ✗ if (nlayers >= 100) {
1699 ✗ return AVERROR_INVALIDDATA;
1700 }
1701 ✗ s->layer_rates[nlayers] = rate <= 1 ? 0:rate;
1702 ✗ nlayers++;
1703 } else {
1704 ✗ return AVERROR_INVALIDDATA;
1705 }
1706 }
1707
1708 ✗ for (i = 1; i < nlayers; i++) {
1709 ✗ if (s->layer_rates[i] >= s->layer_rates[i-1]) {
1710 ✗ return AVERROR_INVALIDDATA;
1711 }
1712 }
1713 ✗ s->nlayers = nlayers;
1714 ✗ s->compression_rate_enc = 1;
1715 ✗ return 0;
1716 }
1717
1718 16 static av_cold int j2kenc_init(AVCodecContext *avctx)
1719 {
1720 static AVOnce init_static_once = AV_ONCE_INIT;
1721 int i, ret;
1722 16 Jpeg2000EncoderContext *s = avctx->priv_data;
1723 16 Jpeg2000CodingStyle *codsty = &s->codsty;
1724 16 Jpeg2000QuantStyle *qntsty = &s->qntsty;
1725 16 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
1726
1727 16 s->avctx = avctx;
1728 16 av_log(s->avctx, AV_LOG_DEBUG, "init\n");
1729
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 16 if (parse_layer_rates(s)) {
1730 ✗ av_log(avctx, AV_LOG_WARNING, "Layer rates invalid. Encoding with 1 layer based on quality metric.\n");
1731 ✗ s->nlayers = 1;
1732 ✗ s->layer_rates[0] = 0;
1733 ✗ s->compression_rate_enc = 0;
1734 }
1735
1736
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 16 if (avctx->pix_fmt == AV_PIX_FMT_PAL8 && (s->pred != FF_DWT97_INT || s->format != CODEC_JP2)) {
1737 ✗ av_log(s->avctx, AV_LOG_WARNING, "Forcing lossless jp2 for pal8\n");
1738 ✗ s->pred = 1;
1739 ✗ s->format = CODEC_JP2;
1740 }
1741
1742 // defaults:
1743 // TODO: implement setting non-standard precinct size
1744 16 memset(codsty->log2_prec_widths , 15, sizeof(codsty->log2_prec_widths ));
1745 16 memset(codsty->log2_prec_heights, 15, sizeof(codsty->log2_prec_heights));
1746 16 codsty->nreslevels2decode=
1747 16 codsty->nreslevels = 7;
1748 16 codsty->nlayers = s->nlayers;
1749 16 codsty->log2_cblk_width = 4;
1750 16 codsty->log2_cblk_height = 4;
1751
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 16 codsty->transform = s->pred ? FF_DWT53 : FF_DWT97_INT;
1752
1753 16 qntsty->nguardbits = 1;
1754
1755
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 16 if ((s->tile_width & (s->tile_width -1)) ||
1756
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 16 (s->tile_height & (s->tile_height-1))) {
1757 ✗ av_log(avctx, AV_LOG_WARNING, "Tile dimension not a power of 2\n");
1758 }
1759
1760
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 16 if (codsty->transform == FF_DWT53)
1761 12 qntsty->quantsty = JPEG2000_QSTY_NONE;
1762 else
1763 4 qntsty->quantsty = JPEG2000_QSTY_SE;
1764
1765 16 s->width = avctx->width;
1766 16 s->height = avctx->height;
1767
1768 16 s->ncomponents = desc->nb_components;
1769
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 80 for (i = 0; i < 4; i++) {
1770 64 s->cbps[i] = desc->comp[i].depth;
1771 64 s->comp_remap[i] = i; //default
1772 }
1773
1774
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 16 if ((desc->flags & AV_PIX_FMT_FLAG_PLANAR) && s->ncomponents > 1) {
1775 8 s->planar = 1;
1776 8 ret = av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt,
1777 8 s->chroma_shift, s->chroma_shift + 1);
1778
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 8 if (ret)
1779 ✗ return ret;
1780
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 8 if (desc->flags & AV_PIX_FMT_FLAG_RGB) {
1781 4 s->comp_remap[0] = 2;
1782 4 s->comp_remap[1] = 0;
1783 4 s->comp_remap[2] = 1;
1784 }
1785 }
1786
1787 16 ff_thread_once(&init_static_once, init_luts);
1788
1789 16 init_quantization(s);
1790
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 16 if ((ret=init_tiles(s)) < 0)
1791 ✗ return ret;
1792
1793 16 av_log(s->avctx, AV_LOG_DEBUG, "after init\n");
1794
1795 16 return 0;
1796 }
1797
1798 16 static int j2kenc_destroy(AVCodecContext *avctx)
1799 {
1800 16 Jpeg2000EncoderContext *s = avctx->priv_data;
1801
1802 16 cleanup(s);
1803 16 return 0;
1804 }
1805
1806 // taken from the libopenjpeg wrapper so it matches
1807
1808 #define OFFSET(x) offsetof(Jpeg2000EncoderContext, x)
1809 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1810 static const AVOption options[] = {
1811 { "format", "Codec Format", OFFSET(format), AV_OPT_TYPE_INT, { .i64 = CODEC_JP2 }, CODEC_J2K, CODEC_JP2, VE, .unit = "format" },
1812 { "j2k", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_J2K }, 0, 0, VE, .unit = "format" },
1813 { "jp2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_JP2 }, 0, 0, VE, .unit = "format" },
1814 { "tile_width", "Tile Width", OFFSET(tile_width), AV_OPT_TYPE_INT, { .i64 = 256 }, 1, 1<<30, VE, },
1815 { "tile_height", "Tile Height", OFFSET(tile_height), AV_OPT_TYPE_INT, { .i64 = 256 }, 1, 1<<30, VE, },
1816 { "pred", "DWT Type", OFFSET(pred), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, .unit = "pred" },
1817 { "dwt97int", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, .unit = "pred" },
1818 { "dwt53", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, .unit = "pred" },
1819 { "sop", "SOP marker", OFFSET(sop), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, },
1820 { "eph", "EPH marker", OFFSET(eph), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, },
1821 { "prog", "Progression Order", OFFSET(prog), AV_OPT_TYPE_INT, { .i64 = 0 }, JPEG2000_PGOD_LRCP, JPEG2000_PGOD_CPRL, VE, .unit = "prog" },
1822 { "lrcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_LRCP }, 0, 0, VE, .unit = "prog" },
1823 { "rlcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_RLCP }, 0, 0, VE, .unit = "prog" },
1824 { "rpcl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_RPCL }, 0, 0, VE, .unit = "prog" },
1825 { "pcrl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_PCRL }, 0, 0, VE, .unit = "prog" },
1826 { "cprl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_CPRL }, 0, 0, VE, .unit = "prog" },
1827 { "layer_rates", "Layer Rates", OFFSET(lr_str), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VE },
1828 { NULL }
1829 };
1830
1831 static const AVClass j2k_class = {
1832 .class_name = "jpeg 2000 encoder",
1833 .item_name = av_default_item_name,
1834 .option = options,
1835 .version = LIBAVUTIL_VERSION_INT,
1836 };
1837
1838 const FFCodec ff_jpeg2000_encoder = {
1839 .p.name = "jpeg2000",
1840 CODEC_LONG_NAME("JPEG 2000"),
1841 .p.type = AVMEDIA_TYPE_VIDEO,
1842 .p.id = AV_CODEC_ID_JPEG2000,
1843 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE |
1844 AV_CODEC_CAP_FRAME_THREADS,
1845 .priv_data_size = sizeof(Jpeg2000EncoderContext),
1846 .init = j2kenc_init,
1847 FF_CODEC_ENCODE_CB(encode_frame),
1848 .close = j2kenc_destroy,
1849 CODEC_PIXFMTS(
1850 AV_PIX_FMT_RGB24, AV_PIX_FMT_RGB48,
1851 AV_PIX_FMT_GBR24P,AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
1852 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
1853 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV420P16,
1854 AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV422P16,
1855 AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV444P16,
1856 AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV440P10, AV_PIX_FMT_YUV440P12,
1857 AV_PIX_FMT_YUV411P,
1858 AV_PIX_FMT_YUV410P,
1859 AV_PIX_FMT_YA8, AV_PIX_FMT_YA16,
1860 AV_PIX_FMT_RGBA, AV_PIX_FMT_RGBA64,
1861 AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
1862 AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
1863 AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P16,
1864 AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P16,
1865
1866 AV_PIX_FMT_PAL8),
1867 .color_ranges = AVCOL_RANGE_MPEG,
1868 .p.priv_class = &j2k_class,
1869 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
1870 };
1871