FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/j2kenc.c
Date: 2022-01-21 12:56:39
Exec Total Coverage
Lines: 647 989 65.4%
Branches: 359 696 51.6%

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 "encode.h"
70 #include "internal.h"
71 #include "bytestream.h"
72 #include "jpeg2000.h"
73 #include "libavutil/common.h"
74 #include "libavutil/pixdesc.h"
75 #include "libavutil/opt.h"
76 #include "libavutil/intreadwrite.h"
77 #include "libavutil/avstring.h"
78 #include "libavutil/thread.h"
79
80 #define NMSEDEC_BITS 7
81 #define NMSEDEC_FRACBITS (NMSEDEC_BITS-1)
82 #define WMSEDEC_SHIFT 13 ///< must be >= 13
83 #define LAMBDA_SCALE (100000000LL << (WMSEDEC_SHIFT - 13))
84
85 #define CODEC_JP2 1
86 #define CODEC_J2K 0
87
88 static int lut_nmsedec_ref [1<<NMSEDEC_BITS],
89 lut_nmsedec_ref0[1<<NMSEDEC_BITS],
90 lut_nmsedec_sig [1<<NMSEDEC_BITS],
91 lut_nmsedec_sig0[1<<NMSEDEC_BITS];
92
93 static const int dwt_norms[2][4][10] = { // [dwt_type][band][rlevel] (multiplied by 10000)
94 {{10000, 19650, 41770, 84030, 169000, 338400, 676900, 1353000, 2706000, 5409000},
95 {20220, 39890, 83550, 170400, 342700, 686300, 1373000, 2746000, 5490000},
96 {20220, 39890, 83550, 170400, 342700, 686300, 1373000, 2746000, 5490000},
97 {20800, 38650, 83070, 171800, 347100, 695900, 1393000, 2786000, 5572000}},
98
99 {{10000, 15000, 27500, 53750, 106800, 213400, 426700, 853300, 1707000, 3413000},
100 {10380, 15920, 29190, 57030, 113300, 226400, 452500, 904800, 1809000},
101 {10380, 15920, 29190, 57030, 113300, 226400, 452500, 904800, 1809000},
102 { 7186, 9218, 15860, 30430, 60190, 120100, 240000, 479700, 959300}}
103 };
104
105 typedef struct {
106 Jpeg2000Component *comp;
107 double *layer_rates;
108 } Jpeg2000Tile;
109
110 typedef struct {
111 AVClass *class;
112 AVCodecContext *avctx;
113 const AVFrame *picture;
114
115 int width, height; ///< image width and height
116 uint8_t cbps[4]; ///< bits per sample in particular components
117 int chroma_shift[2];
118 uint8_t planar;
119 int ncomponents;
120 int tile_width, tile_height; ///< tile size
121 int numXtiles, numYtiles;
122
123 uint8_t *buf_start;
124 uint8_t *buf;
125 uint8_t *buf_end;
126 int bit_index;
127
128 int64_t lambda;
129
130 Jpeg2000CodingStyle codsty;
131 Jpeg2000QuantStyle qntsty;
132
133 Jpeg2000Tile *tile;
134 int layer_rates[100];
135 uint8_t compression_rate_enc; ///< Is compression done using compression ratio?
136
137 int format;
138 int pred;
139 int sop;
140 int eph;
141 int prog;
142 int nlayers;
143 char *lr_str;
144 } Jpeg2000EncoderContext;
145
146
147 /* debug */
148 #if 0
149 #undef ifprintf
150 #undef printf
151
152 static void nspaces(FILE *fd, int n)
153 {
154 while(n--) putc(' ', fd);
155 }
156
157 static void printcomp(Jpeg2000Component *comp)
158 {
159 int i;
160 for (i = 0; i < comp->y1 - comp->y0; i++)
161 ff_jpeg2000_printv(comp->i_data + i * (comp->x1 - comp->x0), comp->x1 - comp->x0);
162 }
163
164 static void dump(Jpeg2000EncoderContext *s, FILE *fd)
165 {
166 int tileno, compno, reslevelno, bandno, precno;
167 fprintf(fd, "XSiz = %d, YSiz = %d, tile_width = %d, tile_height = %d\n"
168 "numXtiles = %d, numYtiles = %d, ncomponents = %d\n"
169 "tiles:\n",
170 s->width, s->height, s->tile_width, s->tile_height,
171 s->numXtiles, s->numYtiles, s->ncomponents);
172 for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){
173 Jpeg2000Tile *tile = s->tile + tileno;
174 nspaces(fd, 2);
175 fprintf(fd, "tile %d:\n", tileno);
176 for(compno = 0; compno < s->ncomponents; compno++){
177 Jpeg2000Component *comp = tile->comp + compno;
178 nspaces(fd, 4);
179 fprintf(fd, "component %d:\n", compno);
180 nspaces(fd, 4);
181 fprintf(fd, "x0 = %d, x1 = %d, y0 = %d, y1 = %d\n",
182 comp->x0, comp->x1, comp->y0, comp->y1);
183 for(reslevelno = 0; reslevelno < s->nreslevels; reslevelno++){
184 Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
185 nspaces(fd, 6);
186 fprintf(fd, "reslevel %d:\n", reslevelno);
187 nspaces(fd, 6);
188 fprintf(fd, "x0 = %d, x1 = %d, y0 = %d, y1 = %d, nbands = %d\n",
189 reslevel->x0, reslevel->x1, reslevel->y0,
190 reslevel->y1, reslevel->nbands);
191 for(bandno = 0; bandno < reslevel->nbands; bandno++){
192 Jpeg2000Band *band = reslevel->band + bandno;
193 nspaces(fd, 8);
194 fprintf(fd, "band %d:\n", bandno);
195 nspaces(fd, 8);
196 fprintf(fd, "x0 = %d, x1 = %d, y0 = %d, y1 = %d,"
197 "codeblock_width = %d, codeblock_height = %d cblknx = %d cblkny = %d\n",
198 band->x0, band->x1,
199 band->y0, band->y1,
200 band->codeblock_width, band->codeblock_height,
201 band->cblknx, band->cblkny);
202 for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
203 Jpeg2000Prec *prec = band->prec + precno;
204 nspaces(fd, 10);
205 fprintf(fd, "prec %d:\n", precno);
206 nspaces(fd, 10);
207 fprintf(fd, "xi0 = %d, xi1 = %d, yi0 = %d, yi1 = %d\n",
208 prec->xi0, prec->xi1, prec->yi0, prec->yi1);
209 }
210 }
211 }
212 }
213 }
214 }
215 #endif
216
217 /* bitstream routines */
218
219 /** put n times val bit */
220 8966043 static void put_bits(Jpeg2000EncoderContext *s, int val, int n) // TODO: optimize
221 {
222
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15424806 while (n-- > 0){
223
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6458763 if (s->bit_index == 8)
224 {
225 792476 s->bit_index = *s->buf == 0xff;
226 792476 *(++s->buf) = 0;
227 }
228 6458763 *s->buf |= val << (7 - s->bit_index++);
229 }
230 8966043 }
231
232 /** put n least significant bits of a number num */
233 761232 static void put_num(Jpeg2000EncoderContext *s, int num, int n)
234 {
235
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5223634 while(--n >= 0)
236 4462402 put_bits(s, (num >> n) & 1, 1);
237 761232 }
238
239 /** flush the bitstream */
240 27300 static void j2k_flush(Jpeg2000EncoderContext *s)
241 {
242
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27300 if (s->bit_index){
243 27300 s->bit_index = 0;
244 27300 s->buf++;
245 }
246 27300 }
247
248 /* tag tree routines */
249
250 /** code the value stored in node */
251 794016 static void tag_tree_code(Jpeg2000EncoderContext *s, Jpeg2000TgtNode *node, int threshold)
252 {
253 Jpeg2000TgtNode *stack[30];
254 794016 int sp = -1, curval = 0;
255
256
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2648353 while(node->parent){
257 1854337 stack[++sp] = node;
258 1854337 node = node->parent;
259 }
260
261 while (1) {
262
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2648353 if (curval > node->temp_val)
263 467648 node->temp_val = curval;
264 else {
265 2180705 curval = node->temp_val;
266 }
267
268
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2648353 if (node->val >= threshold) {
269 38097 put_bits(s, 0, threshold - curval);
270 38097 curval = threshold;
271 } else {
272 2610256 put_bits(s, 0, node->val - curval);
273 2610256 curval = node->val;
274
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2610256 if (!node->vis) {
275 1066756 put_bits(s, 1, 1);
276 1066756 node->vis = 1;
277 }
278 }
279
280 2648353 node->temp_val = curval;
281
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2648353 if (sp < 0)
282 794016 break;
283 1854337 node = stack[sp--];
284 }
285 794016 }
286
287 /** update the value in node */
288 826800 static void tag_tree_update(Jpeg2000TgtNode *node)
289 {
290 826800 int lev = 0;
291
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1220500 while (node->parent){
292
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1062010 if (node->parent->val <= node->val)
293 668310 break;
294 393700 node->parent->val = node->val;
295 393700 node = node->parent;
296 393700 lev++;
297 }
298 826800 }
299
300 400 static int put_siz(Jpeg2000EncoderContext *s)
301 {
302 int i;
303
304
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400 if (s->buf_end - s->buf < 40 + 3 * s->ncomponents)
305 return -1;
306
307 400 bytestream_put_be16(&s->buf, JPEG2000_SIZ);
308 400 bytestream_put_be16(&s->buf, 38 + 3 * s->ncomponents); // Lsiz
309 400 bytestream_put_be16(&s->buf, 0); // Rsiz
310 400 bytestream_put_be32(&s->buf, s->width); // width
311 400 bytestream_put_be32(&s->buf, s->height); // height
312 400 bytestream_put_be32(&s->buf, 0); // X0Siz
313 400 bytestream_put_be32(&s->buf, 0); // Y0Siz
314
315 400 bytestream_put_be32(&s->buf, s->tile_width); // XTSiz
316 400 bytestream_put_be32(&s->buf, s->tile_height); // YTSiz
317 400 bytestream_put_be32(&s->buf, 0); // XT0Siz
318 400 bytestream_put_be32(&s->buf, 0); // YT0Siz
319 400 bytestream_put_be16(&s->buf, s->ncomponents); // CSiz
320
321
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1600 for (i = 0; i < s->ncomponents; i++){ // Ssiz_i XRsiz_i, YRsiz_i
322 1200 bytestream_put_byte(&s->buf, s->cbps[i] - 1);
323
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1200 bytestream_put_byte(&s->buf, i?1<<s->chroma_shift[0]:1);
324
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1200 bytestream_put_byte(&s->buf, i?1<<s->chroma_shift[1]:1);
325 }
326 400 return 0;
327 }
328
329 400 static int put_cod(Jpeg2000EncoderContext *s)
330 {
331 400 Jpeg2000CodingStyle *codsty = &s->codsty;
332 400 uint8_t scod = 0;
333
334
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400 if (s->buf_end - s->buf < 14)
335 return -1;
336
337 400 bytestream_put_be16(&s->buf, JPEG2000_COD);
338 400 bytestream_put_be16(&s->buf, 12); // Lcod
339
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400 if (s->sop)
340 scod |= JPEG2000_CSTY_SOP;
341
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400 if (s->eph)
342 scod |= JPEG2000_CSTY_EPH;
343 400 bytestream_put_byte(&s->buf, scod); // Scod
344 // SGcod
345 400 bytestream_put_byte(&s->buf, s->prog); // progression level
346 400 bytestream_put_be16(&s->buf, s->nlayers); // num of layers
347
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400 if(s->avctx->pix_fmt == AV_PIX_FMT_YUV444P){
348 bytestream_put_byte(&s->buf, 0); // unspecified
349 }else{
350 400 bytestream_put_byte(&s->buf, 0); // unspecified
351 }
352 // SPcod
353 400 bytestream_put_byte(&s->buf, codsty->nreslevels - 1); // num of decomp. levels
354 400 bytestream_put_byte(&s->buf, codsty->log2_cblk_width-2); // cblk width
355 400 bytestream_put_byte(&s->buf, codsty->log2_cblk_height-2); // cblk height
356 400 bytestream_put_byte(&s->buf, 0); // cblk style
357 400 bytestream_put_byte(&s->buf, codsty->transform == FF_DWT53); // transformation
358 400 return 0;
359 }
360
361 400 static int put_qcd(Jpeg2000EncoderContext *s, int compno)
362 {
363 int i, size;
364 400 Jpeg2000CodingStyle *codsty = &s->codsty;
365 400 Jpeg2000QuantStyle *qntsty = &s->qntsty;
366
367
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400 if (qntsty->quantsty == JPEG2000_QSTY_NONE)
368 200 size = 4 + 3 * (codsty->nreslevels-1);
369 else // QSTY_SE
370 200 size = 5 + 6 * (codsty->nreslevels-1);
371
372
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400 if (s->buf_end - s->buf < size + 2)
373 return -1;
374
375 400 bytestream_put_be16(&s->buf, JPEG2000_QCD);
376 400 bytestream_put_be16(&s->buf, size); // LQcd
377 400 bytestream_put_byte(&s->buf, (qntsty->nguardbits << 5) | qntsty->quantsty); // Sqcd
378
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400 if (qntsty->quantsty == JPEG2000_QSTY_NONE)
379
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4000 for (i = 0; i < codsty->nreslevels * 3 - 2; i++)
380 3800 bytestream_put_byte(&s->buf, qntsty->expn[i] << 3);
381 else // QSTY_SE
382
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4000 for (i = 0; i < codsty->nreslevels * 3 - 2; i++)
383 3800 bytestream_put_be16(&s->buf, (qntsty->expn[i] << 11) | qntsty->mant[i]);
384 400 return 0;
385 }
386
387 400 static int put_com(Jpeg2000EncoderContext *s, int compno)
388 {
389 400 int size = 4 + strlen(LIBAVCODEC_IDENT);
390
391
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400 if (s->avctx->flags & AV_CODEC_FLAG_BITEXACT)
392 400 return 0;
393
394 if (s->buf_end - s->buf < size + 2)
395 return -1;
396
397 bytestream_put_be16(&s->buf, JPEG2000_COM);
398 bytestream_put_be16(&s->buf, size);
399 bytestream_put_be16(&s->buf, 1); // General use (ISO/IEC 8859-15 (Latin) values)
400
401 bytestream_put_buffer(&s->buf, LIBAVCODEC_IDENT, strlen(LIBAVCODEC_IDENT));
402
403 return 0;
404 }
405
406 1300 static uint8_t *put_sot(Jpeg2000EncoderContext *s, int tileno)
407 {
408 uint8_t *psotptr;
409
410
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1300 if (s->buf_end - s->buf < 12)
411 return NULL;
412
413 1300 bytestream_put_be16(&s->buf, JPEG2000_SOT);
414 1300 bytestream_put_be16(&s->buf, 10); // Lsot
415 1300 bytestream_put_be16(&s->buf, tileno); // Isot
416
417 1300 psotptr = s->buf;
418 1300 bytestream_put_be32(&s->buf, 0); // Psot (filled in later)
419
420 1300 bytestream_put_byte(&s->buf, 0); // TPsot
421 1300 bytestream_put_byte(&s->buf, 1); // TNsot
422 1300 return psotptr;
423 }
424
425 8 static void compute_rates(Jpeg2000EncoderContext* s)
426 {
427 int i, j;
428 int layno, compno;
429
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22 for (i = 0; i < s->numYtiles; i++) {
430
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40 for (j = 0; j < s->numXtiles; j++) {
431 26 Jpeg2000Tile *tile = &s->tile[s->numXtiles * i + j];
432
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104 for (compno = 0; compno < s->ncomponents; compno++) {
433 78 int tilew = tile->comp[compno].coord[0][1] - tile->comp[compno].coord[0][0];
434 78 int tileh = tile->comp[compno].coord[1][1] - tile->comp[compno].coord[1][0];
435
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78 int scale = (compno?1 << s->chroma_shift[0]:1) * (compno?1 << s->chroma_shift[1]:1);
436
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156 for (layno = 0; layno < s->nlayers; layno++) {
437
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78 if (s->layer_rates[layno] > 0) {
438 tile->layer_rates[layno] += (double)(tilew * tileh) * s->ncomponents * s->cbps[compno] /
439 (double)(s->layer_rates[layno] * 8 * scale);
440 } else {
441 78 tile->layer_rates[layno] = 0.0;
442 }
443 }
444 }
445 }
446 }
447
448 8 }
449
450 /**
451 * compute the sizes of tiles, resolution levels, bands, etc.
452 * allocate memory for them
453 * divide the input image into tile-components
454 */
455 8 static int init_tiles(Jpeg2000EncoderContext *s)
456 {
457 int tileno, tilex, tiley, compno;
458 8 Jpeg2000CodingStyle *codsty = &s->codsty;
459 8 Jpeg2000QuantStyle *qntsty = &s->qntsty;
460
461 8 s->numXtiles = ff_jpeg2000_ceildiv(s->width, s->tile_width);
462 8 s->numYtiles = ff_jpeg2000_ceildiv(s->height, s->tile_height);
463
464 8 s->tile = av_calloc(s->numXtiles, s->numYtiles * sizeof(Jpeg2000Tile));
465
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8 if (!s->tile)
466 return AVERROR(ENOMEM);
467
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22 for (tileno = 0, tiley = 0; tiley < s->numYtiles; tiley++)
468
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40 for (tilex = 0; tilex < s->numXtiles; tilex++, tileno++){
469 26 Jpeg2000Tile *tile = s->tile + tileno;
470
471 26 tile->comp = av_calloc(s->ncomponents, sizeof(*tile->comp));
472
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26 if (!tile->comp)
473 return AVERROR(ENOMEM);
474
475 26 tile->layer_rates = av_calloc(s->nlayers, sizeof(*tile->layer_rates));
476
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26 if (!tile->layer_rates)
477 return AVERROR(ENOMEM);
478
479
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104 for (compno = 0; compno < s->ncomponents; compno++){
480 78 Jpeg2000Component *comp = tile->comp + compno;
481 int ret, i, j;
482
483 78 comp->coord[0][0] = comp->coord_o[0][0] = tilex * s->tile_width;
484 78 comp->coord[0][1] = comp->coord_o[0][1] = FFMIN((tilex+1)*s->tile_width, s->width);
485 78 comp->coord[1][0] = comp->coord_o[1][0] = tiley * s->tile_height;
486 78 comp->coord[1][1] = comp->coord_o[1][1] = FFMIN((tiley+1)*s->tile_height, s->height);
487
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78 if (compno > 0)
488
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156 for (i = 0; i < 2; i++)
489
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312 for (j = 0; j < 2; j++)
490 208 comp->coord[i][j] = comp->coord_o[i][j] = ff_jpeg2000_ceildivpow2(comp->coord[i][j], s->chroma_shift[i]);
491
492
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208 if ((ret = ff_jpeg2000_init_component(comp,
493 codsty,
494 qntsty,
495 78 s->cbps[compno],
496 52 compno?1<<s->chroma_shift[0]:1,
497 52 compno?1<<s->chroma_shift[1]:1,
498 s->avctx
499 )) < 0)
500 return ret;
501 }
502 }
503 8 compute_rates(s);
504 8 return 0;
505 }
506
507 #define COPY_FRAME(D, PIXEL) \
508 static void copy_frame_ ##D(Jpeg2000EncoderContext *s) \
509 { \
510 int tileno, compno, i, y, x; \
511 PIXEL *line; \
512 for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ \
513 Jpeg2000Tile *tile = s->tile + tileno; \
514 if (s->planar){ \
515 for (compno = 0; compno < s->ncomponents; compno++){ \
516 Jpeg2000Component *comp = tile->comp + compno; \
517 int *dst = comp->i_data; \
518 int cbps = s->cbps[compno]; \
519 line = (PIXEL*)s->picture->data[compno] \
520 + comp->coord[1][0] * (s->picture->linesize[compno] / sizeof(PIXEL)) \
521 + comp->coord[0][0]; \
522 for (y = comp->coord[1][0]; y < comp->coord[1][1]; y++){ \
523 PIXEL *ptr = line; \
524 for (x = comp->coord[0][0]; x < comp->coord[0][1]; x++) \
525 *dst++ = *ptr++ - (1 << (cbps - 1)); \
526 line += s->picture->linesize[compno] / sizeof(PIXEL); \
527 } \
528 } \
529 } else{ \
530 line = (PIXEL*)s->picture->data[0] + tile->comp[0].coord[1][0] * (s->picture->linesize[0] / sizeof(PIXEL)) \
531 + tile->comp[0].coord[0][0] * s->ncomponents; \
532 \
533 i = 0; \
534 for (y = tile->comp[0].coord[1][0]; y < tile->comp[0].coord[1][1]; y++){ \
535 PIXEL *ptr = line; \
536 for (x = tile->comp[0].coord[0][0]; x < tile->comp[0].coord[0][1]; x++, i++){ \
537 for (compno = 0; compno < s->ncomponents; compno++){ \
538 int cbps = s->cbps[compno]; \
539 tile->comp[compno].i_data[i] = *ptr++ - (1 << (cbps - 1)); \
540 } \
541 } \
542 line += s->picture->linesize[0] / sizeof(PIXEL); \
543 } \
544 } \
545 } \
546 }
547
548
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122291500 COPY_FRAME(8, uint8_t)
549 COPY_FRAME(16, uint16_t)
550
551 8 static void init_quantization(Jpeg2000EncoderContext *s)
552 {
553 int compno, reslevelno, bandno;
554 8 Jpeg2000QuantStyle *qntsty = &s->qntsty;
555 8 Jpeg2000CodingStyle *codsty = &s->codsty;
556
557
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32 for (compno = 0; compno < s->ncomponents; compno++){
558 24 int gbandno = 0;
559
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192 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){
560 168 int nbands, lev = codsty->nreslevels - reslevelno - 1;
561
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168 nbands = reslevelno ? 3 : 1;
562
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624 for (bandno = 0; bandno < nbands; bandno++, gbandno++){
563 456 int expn, mant = 0;
564
565
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456 if (codsty->transform == FF_DWT97_INT){
566 228 int bandpos = bandno + (reslevelno>0),
567 228 ss = 81920000 / dwt_norms[0][bandpos][lev],
568 228 log = av_log2(ss);
569
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228 mant = (11 - log < 0 ? ss >> log - 11 : ss << 11 - log) & 0x7ff;
570 228 expn = s->cbps[compno] - log + 13;
571 } else
572 228 expn = ((bandno&2)>>1) + (reslevelno>0) + s->cbps[compno];
573
574 456 qntsty->expn[gbandno] = expn;
575 456 qntsty->mant[gbandno] = mant;
576 }
577 }
578 }
579 8 }
580
581 8 static void init_luts(void)
582 {
583 int i, a,
584 8 mask = ~((1<<NMSEDEC_FRACBITS)-1);
585
586
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1032 for (i = 0; i < (1 << NMSEDEC_BITS); i++){
587 1024 lut_nmsedec_sig[i] = FFMAX((3 * i << (13 - NMSEDEC_FRACBITS)) - (9 << 11), 0);
588 1024 lut_nmsedec_sig0[i] = FFMAX((i*i + (1<<NMSEDEC_FRACBITS-1) & mask) << 1, 0);
589
590 1024 a = (i >> (NMSEDEC_BITS-2)&2) + 1;
591 1024 lut_nmsedec_ref[i] = FFMAX((a - 2) * (i << (13 - NMSEDEC_FRACBITS)) +
592 (1 << 13) - (a * a << 11), 0);
593 1024 lut_nmsedec_ref0[i] = FFMAX(((i * i - (i << NMSEDEC_BITS) + (1 << 2 * NMSEDEC_FRACBITS) + (1 << (NMSEDEC_FRACBITS - 1))) & mask)
594 << 1, 0);
595 }
596 8 ff_jpeg2000_init_tier1_luts();
597 8 }
598
599 /* tier-1 routines */
600 73779107 static int getnmsedec_sig(int x, int bpno)
601 {
602
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73779107 if (bpno > NMSEDEC_FRACBITS)
603 57508511 return lut_nmsedec_sig[(x >> (bpno - NMSEDEC_FRACBITS)) & ((1 << NMSEDEC_BITS) - 1)];
604 16270596 return lut_nmsedec_sig0[x & ((1 << NMSEDEC_BITS) - 1)];
605 }
606
607 155371831 static int getnmsedec_ref(int x, int bpno)
608 {
609
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155371831 if (bpno > NMSEDEC_FRACBITS)
610 97863320 return lut_nmsedec_ref[(x >> (bpno - NMSEDEC_FRACBITS)) & ((1 << NMSEDEC_BITS) - 1)];
611 57508511 return lut_nmsedec_ref0[x & ((1 << NMSEDEC_BITS) - 1)];
612 }
613
614 2341659 static void encode_sigpass(Jpeg2000T1Context *t1, int width, int height, int bandno, int *nmsedec, int bpno)
615 {
616 2341659 int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS);
617
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10642563 for (y0 = 0; y0 < height; y0 += 4)
618
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133682311 for (x = 0; x < width; x++)
619
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624667412 for (y = y0; y < height && y < y0+4; y++){
620
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499286005 if (!(t1->flags[(y+1) * t1->stride + x+1] & JPEG2000_T1_SIG) && (t1->flags[(y+1) * t1->stride + x+1] & JPEG2000_T1_SIG_NB)){
621 163633824 int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno),
622 163633824 bit = t1->data[(y) * t1->stride + x] & mask ? 1 : 0;
623 163633824 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, bit);
624
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163633824 if (bit){
625 int xorbit;
626 59386202 int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit);
627 59386202 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit);
628 59386202 *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS);
629 59386202 ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15);
630 }
631 163633824 t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_VIS;
632 }
633 }
634 2341659 }
635
636 2341659 static void encode_refpass(Jpeg2000T1Context *t1, int width, int height, int *nmsedec, int bpno)
637 {
638 2341659 int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS);
639
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10642563 for (y0 = 0; y0 < height; y0 += 4)
640
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133682311 for (x = 0; x < width; x++)
641
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624667412 for (y = y0; y < height && y < y0+4; y++)
642
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499286005 if ((t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS)) == JPEG2000_T1_SIG){
643 155371831 int ctxno = ff_jpeg2000_getrefctxno(t1->flags[(y+1) * t1->stride + x+1]);
644 155371831 *nmsedec += getnmsedec_ref(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS);
645 155371831 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0);
646 155371831 t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_REF;
647 }
648 2341659 }
649
650 2755058 static void encode_clnpass(Jpeg2000T1Context *t1, int width, int height, int bandno, int *nmsedec, int bpno)
651 {
652 2755058 int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS);
653
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12558961 for (y0 = 0; y0 < height; y0 += 4)
654
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158157809 for (x = 0; x < width; x++){
655
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148353906 if (y0 + 3 < height && !(
656
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147328814 (t1->flags[(y0+1) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) ||
657
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57872409 (t1->flags[(y0+2) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) ||
658
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52649523 (t1->flags[(y0+3) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) ||
659
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48304510 (t1->flags[(y0+4) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG))))
660 3619464 {
661 // aggregation mode
662 int rlen;
663
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221843104 for (rlen = 0; rlen < 4; rlen++)
664
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179323436 if (t1->data[(y0+rlen) * t1->stride + x] & mask)
665 3619464 break;
666 46139132 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_RL, rlen != 4);
667
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46139132 if (rlen == 4)
668 42519668 continue;
669 3619464 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_UNI, rlen >> 1);
670 3619464 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_UNI, rlen & 1);
671
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12472020 for (y = y0 + rlen; y < y0 + 4; y++){
672
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8852556 if (!(t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))){
673 8852556 int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno);
674
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8852556 if (y > y0 + rlen)
675 5233092 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0);
676
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8852556 if (t1->data[(y) * t1->stride + x] & mask){ // newly significant
677 int xorbit;
678 4325058 int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit);
679 4325058 *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS);
680 4325058 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit);
681 4325058 ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15);
682 }
683 }
684 8852556 t1->flags[(y+1) * t1->stride + x+1] &= ~JPEG2000_T1_VIS;
685 }
686 } else{
687
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508529450 for (y = y0; y < y0 + 4 && y < height; y++){
688
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406314676 if (!(t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))){
689 87309021 int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno);
690 87309021 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0);
691
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87309021 if (t1->data[(y) * t1->stride + x] & mask){ // newly significant
692 int xorbit;
693 10067847 int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit);
694 10067847 *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS);
695 10067847 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit);
696 10067847 ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15);
697 }
698 }
699 406314676 t1->flags[(y+1) * t1->stride + x+1] &= ~JPEG2000_T1_VIS;
700 }
701 }
702 }
703 2755058 }
704
705 413400 static void encode_cblk(Jpeg2000EncoderContext *s, Jpeg2000T1Context *t1, Jpeg2000Cblk *cblk, Jpeg2000Tile *tile,
706 int width, int height, int bandpos, int lev)
707 {
708 413400 int pass_t = 2, passno, x, y, max=0, nmsedec, bpno;
709 413400 int64_t wmsedec = 0;
710
711 413400 memset(t1->flags, 0, t1->stride * (height + 2) * sizeof(*t1->flags));
712
713
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6372900 for (y = 0; y < height; y++){
714
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97544700 for (x = 0; x < width; x++){
715
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91585200 if (t1->data[(y) * t1->stride + x] < 0){
716 35748311 t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_SGN;
717 35748311 t1->data[(y) * t1->stride + x] = -t1->data[(y) * t1->stride + x];
718 }
719 91585200 max = FFMAX(max, t1->data[(y) * t1->stride + x]);
720 }
721 }
722
723
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413400 if (max == 0){
724 51 cblk->nonzerobits = 0;
725 51 bpno = 0;
726 } else{
727 413349 cblk->nonzerobits = av_log2(max) + 1 - NMSEDEC_FRACBITS;
728 413349 bpno = cblk->nonzerobits - 1;
729 }
730
731 413400 cblk->data[0] = 0;
732 413400 ff_mqc_initenc(&t1->mqc, cblk->data + 1);
733
734
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7851776 for (passno = 0; bpno >= 0; passno++){
735 7438376 nmsedec=0;
736
737
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7438376 switch(pass_t){
738 2341659 case 0: encode_sigpass(t1, width, height, bandpos, &nmsedec, bpno);
739 2341659 break;
740 2341659 case 1: encode_refpass(t1, width, height, &nmsedec, bpno);
741 2341659 break;
742 2755058 case 2: encode_clnpass(t1, width, height, bandpos, &nmsedec, bpno);
743 2755058 break;
744 }
745
746 7438376 cblk->passes[passno].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno].flushed, &cblk->passes[passno].flushed_len);
747 7438376 cblk->passes[passno].rate -= cblk->passes[passno].flushed_len;
748
749 7438376 wmsedec += (int64_t)nmsedec << (2*bpno);
750 7438376 cblk->passes[passno].disto = wmsedec;
751
752
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7438376 if (++pass_t == 3){
753 2755058 pass_t = 0;
754 2755058 bpno--;
755 }
756 }
757 413400 cblk->npasses = passno;
758 413400 cblk->ninclpasses = passno;
759
760
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413400 if (passno) {
761 413399 cblk->passes[passno-1].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno-1].flushed, &cblk->passes[passno-1].flushed_len);
762 413399 cblk->passes[passno-1].rate -= cblk->passes[passno-1].flushed_len;
763 }
764 413400 }
765
766 /* tier-2 routines: */
767
768 380616 static void putnumpasses(Jpeg2000EncoderContext *s, int n)
769 {
770
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380616 if (n == 1)
771 45405 put_num(s, 0, 1);
772
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335211 else if (n == 2)
773 13331 put_num(s, 2, 2);
774
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321880 else if (n <= 5)
775 111816 put_num(s, 0xc | (n-3), 4);
776
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210064 else if (n <= 36)
777 210061 put_num(s, 0x1e0 | (n-6), 9);
778 else
779 3 put_num(s, 0xff80 | (n-37), 16);
780 380616 }
781
782
783 27300 static int encode_packet(Jpeg2000EncoderContext *s, Jpeg2000ResLevel *rlevel, int layno,
784 int precno, uint8_t *expn, int numgbits, int packetno,
785 int nlayers)
786 {
787 27300 int bandno, empty = 1;
788 int i;
789 // init bitstream
790 27300 *s->buf = 0;
791 27300 s->bit_index = 0;
792
793
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27300 if (s->sop) {
794 bytestream_put_be16(&s->buf, JPEG2000_SOP);
795 bytestream_put_be16(&s->buf, 4);
796 bytestream_put_be16(&s->buf, packetno);
797 }
798 // header
799
800
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27300 if (!layno) {
801
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101400 for (bandno = 0; bandno < rlevel->nbands; bandno++) {
802 74100 Jpeg2000Band *band = rlevel->band + bandno;
803
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74100 if (band->coord[0][0] < band->coord[0][1]
804
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74100 && band->coord[1][0] < band->coord[1][1]) {
805 70500 Jpeg2000Prec *prec = band->prec + precno;
806 70500 int nb_cblks = prec->nb_codeblocks_height * prec->nb_codeblocks_width;
807 int pos;
808 70500 ff_tag_tree_zero(prec->zerobits, prec->nb_codeblocks_width, prec->nb_codeblocks_height, 99);
809 70500 ff_tag_tree_zero(prec->cblkincl, prec->nb_codeblocks_width, prec->nb_codeblocks_height, 99);
810
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483900 for (pos = 0; pos < nb_cblks; pos++) {
811 413400 Jpeg2000Cblk *cblk = &prec->cblk[pos];
812 413400 prec->zerobits[pos].val = expn[bandno] + numgbits - 1 - cblk->nonzerobits;
813 413400 cblk->incl = 0;
814 413400 cblk->lblock = 3;
815 413400 tag_tree_update(prec->zerobits + pos);
816
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446184 for (i = 0; i < nlayers; i++) {
817
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413400 if (cblk->layers[i].npasses > 0) {
818 380616 prec->cblkincl[pos].val = i;
819 380616 break;
820 }
821 }
822
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413400 if (i == nlayers)
823 32784 prec->cblkincl[pos].val = i;
824 413400 tag_tree_update(prec->cblkincl + pos);
825 }
826 }
827 }
828 }
829
830 // is the packet empty?
831
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27309 for (bandno = 0; bandno < rlevel->nbands; bandno++){
832 27309 Jpeg2000Band *band = rlevel->band + bandno;
833
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27309 if (band->coord[0][0] < band->coord[0][1]
834
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27309 && band->coord[1][0] < band->coord[1][1]) {
835 27309 Jpeg2000Prec *prec = band->prec + precno;
836 27309 int nb_cblks = prec->nb_codeblocks_height * prec->nb_codeblocks_width;
837 int pos;
838
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27563 for (pos = 0; pos < nb_cblks; pos++) {
839 27554 Jpeg2000Cblk *cblk = &prec->cblk[pos];
840
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27554 if (cblk->layers[layno].npasses) {
841 27300 empty = 0;
842 27300 break;
843 }
844 }
845
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27309 if (!empty)
846 27300 break;
847 }
848 }
849
850 27300 put_bits(s, !empty, 1);
851
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27300 if (empty){
852 j2k_flush(s);
853 if (s->eph)
854 bytestream_put_be16(&s->buf, JPEG2000_EPH);
855 return 0;
856 }
857
858
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101400 for (bandno = 0; bandno < rlevel->nbands; bandno++) {
859 74100 Jpeg2000Band *band = rlevel->band + bandno;
860 74100 Jpeg2000Prec *prec = band->prec + precno;
861 int yi, xi, pos;
862 74100 int cblknw = prec->nb_codeblocks_width;
863
864
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74100 if (band->coord[0][0] == band->coord[0][1]
865
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74100 || band->coord[1][0] == band->coord[1][1])
866 3600 continue;
867
868
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201300 for (pos=0, yi = 0; yi < prec->nb_codeblocks_height; yi++) {
869
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544200 for (xi = 0; xi < cblknw; xi++, pos++){
870 413400 int llen = 0, length;
871 413400 Jpeg2000Cblk *cblk = prec->cblk + yi * cblknw + xi;
872
873
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413400 if (s->buf_end - s->buf < 20) // approximately
874 return -1;
875
876 // inclusion information
877
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413400 if (!cblk->incl)
878 413400 tag_tree_code(s, prec->cblkincl + pos, layno + 1);
879 else {
880 put_bits(s, cblk->layers[layno].npasses > 0, 1);
881 }
882
883
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413400 if (!cblk->layers[layno].npasses)
884 32784 continue;
885
886 // zerobits information
887
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380616 if (!cblk->incl) {
888 380616 tag_tree_code(s, prec->zerobits + pos, 100);
889 380616 cblk->incl = 1;
890 }
891
892 // number of passes
893 380616 putnumpasses(s, cblk->layers[layno].npasses);
894
895 380616 length = cblk->layers[layno].data_len;
896
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380616 if (layno == nlayers - 1 && cblk->layers[layno].cum_passes){
897 380616 length += cblk->passes[cblk->layers[layno].cum_passes-1].flushed_len;
898 }
899
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380616 if (cblk->lblock + av_log2(cblk->layers[layno].npasses) < av_log2(length) + 1) {
900 113187 llen = av_log2(length) + 1 - cblk->lblock - av_log2(cblk->layers[layno].npasses);
901 }
902
903 // length of code block
904 380616 cblk->lblock += llen;
905 380616 put_bits(s, 1, llen);
906 380616 put_bits(s, 0, 1);
907 380616 put_num(s, length, cblk->lblock + av_log2(cblk->layers[layno].npasses));
908 }
909 }
910 }
911 27300 j2k_flush(s);
912
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27300 if (s->eph) {
913 bytestream_put_be16(&s->buf, JPEG2000_EPH);
914 }
915
916
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101400 for (bandno = 0; bandno < rlevel->nbands; bandno++) {
917 74100 Jpeg2000Band *band = rlevel->band + bandno;
918 74100 Jpeg2000Prec *prec = band->prec + precno;
919 74100 int yi, cblknw = prec->nb_codeblocks_width;
920
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208500 for (yi =0; yi < prec->nb_codeblocks_height; yi++) {
921 int xi;
922
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551400 for (xi = 0; xi < cblknw; xi++){
923 417000 Jpeg2000Cblk *cblk = prec->cblk + yi * cblknw + xi;
924
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417000 if (cblk->layers[layno].npasses) {
925
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380616 if (s->buf_end - s->buf < cblk->layers[layno].data_len + 2)
926 return -1;
927 380616 bytestream_put_buffer(&s->buf, cblk->layers[layno].data_start + 1, cblk->layers[layno].data_len);
928
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380616 if (layno == nlayers - 1 && cblk->layers[layno].cum_passes) {
929 380616 bytestream_put_buffer(&s->buf, cblk->passes[cblk->layers[layno].cum_passes-1].flushed,
930 380616 cblk->passes[cblk->layers[layno].cum_passes-1].flushed_len);
931 }
932 }
933 }
934 }
935 }
936 27300 return 0;
937 }
938
939 1300 static int encode_packets(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno, int nlayers)
940 {
941 int compno, reslevelno, layno, ret;
942 1300 Jpeg2000CodingStyle *codsty = &s->codsty;
943 1300 Jpeg2000QuantStyle *qntsty = &s->qntsty;
944 1300 int packetno = 0;
945 int step_x, step_y;
946 int x, y;
947 int tile_coord[2][2];
948 1300 int col = tileno % s->numXtiles;
949 1300 int row = tileno / s->numXtiles;
950
951 1300 tile_coord[0][0] = col * s->tile_width;
952 1300 tile_coord[0][1] = FFMIN(tile_coord[0][0] + s->tile_width, s->width);
953 1300 tile_coord[1][0] = row * s->tile_height;
954 1300 tile_coord[1][1] = FFMIN(tile_coord[1][0] + s->tile_height, s->height);
955
956 1300 av_log(s->avctx, AV_LOG_DEBUG, "tier2\n");
957 // lay-rlevel-comp-pos progression
958
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1300 switch (s->prog) {
959 1300 case JPEG2000_PGOD_LRCP:
960
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2600 for (layno = 0; layno < nlayers; layno++) {
961
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10400 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){
962
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36400 for (compno = 0; compno < s->ncomponents; compno++){
963 int precno;
964 27300 Jpeg2000ResLevel *reslevel = s->tile[tileno].comp[compno].reslevel + reslevelno;
965
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54600 for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
966
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27300 if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0),
967
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27300 qntsty->nguardbits, packetno++, nlayers)) < 0)
968 return ret;
969 }
970 }
971 }
972 }
973 1300 break;
974 case JPEG2000_PGOD_RLCP:
975 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){
976 for (layno = 0; layno < nlayers; layno++) {
977 for (compno = 0; compno < s->ncomponents; compno++){
978 int precno;
979 Jpeg2000ResLevel *reslevel = s->tile[tileno].comp[compno].reslevel + reslevelno;
980 for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
981 if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0),
982 qntsty->nguardbits, packetno++, nlayers)) < 0)
983 return ret;
984 }
985 }
986 }
987 }
988 break;
989 case JPEG2000_PGOD_RPCL:
990 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) {
991 int precno;
992 step_x = 30;
993 step_y = 30;
994 for (compno = 0; compno < s->ncomponents; compno++) {
995 Jpeg2000Component *comp = tile->comp + compno;
996 if (reslevelno < codsty->nreslevels) {
997 uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
998 Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno;
999 step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno);
1000 step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno);
1001 }
1002 }
1003
1004 step_x = 1<<step_x;
1005 step_y = 1<<step_y;
1006 for (y = tile_coord[1][0]; y < tile_coord[1][1]; y = (y/step_y + 1)*step_y) {
1007 for (x = tile_coord[0][0]; x < tile_coord[0][1]; x = (x/step_x + 1)*step_x) {
1008 for (compno = 0; compno < s->ncomponents; compno++) {
1009 Jpeg2000Component *comp = tile->comp + compno;
1010 uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
1011 Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
1012 int log_subsampling[2] = { compno?s->chroma_shift[0]:0, compno?s->chroma_shift[1]:0};
1013 unsigned prcx, prcy;
1014 int trx0, try0;
1015
1016 trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno);
1017 try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno);
1018
1019 if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 ||
1020 (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height)))))
1021 continue;
1022
1023 if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 ||
1024 (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width)))))
1025 continue;
1026
1027 // check if a precinct exists
1028 prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width;
1029 prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height;
1030 prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width;
1031 prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height;
1032 precno = prcx + reslevel->num_precincts_x * prcy;
1033
1034 if (prcx >= reslevel->num_precincts_x || prcy >= reslevel->num_precincts_y) {
1035 av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n",
1036 prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y);
1037 continue;
1038 }
1039 for (layno = 0; layno < nlayers; layno++) {
1040 if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0),
1041 qntsty->nguardbits, packetno++, nlayers)) < 0)
1042 return ret;
1043 }
1044 }
1045 }
1046 }
1047 }
1048 break;
1049 case JPEG2000_PGOD_PCRL:
1050 step_x = 32;
1051 step_y = 32;
1052 for (compno = 0; compno < s->ncomponents; compno++) {
1053 Jpeg2000Component *comp = tile->comp + compno;
1054
1055 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) {
1056 uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
1057 Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno;
1058 step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno);
1059 step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno);
1060 }
1061 }
1062 if (step_x >= 31 || step_y >= 31){
1063 avpriv_request_sample(s->avctx, "PCRL with large step");
1064 return AVERROR_PATCHWELCOME;
1065 }
1066 step_x = 1<<step_x;
1067 step_y = 1<<step_y;
1068
1069 for (y = tile_coord[1][0]; y < tile_coord[1][1]; y = (y/step_y + 1)*step_y) {
1070 for (x = tile_coord[0][0]; x < tile_coord[0][1]; x = (x/step_x + 1)*step_x) {
1071 for (compno = 0; compno < s->ncomponents; compno++) {
1072 Jpeg2000Component *comp = tile->comp + compno;
1073 int log_subsampling[2] = { compno?s->chroma_shift[0]:0, compno?s->chroma_shift[1]:0};
1074
1075 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) {
1076 unsigned prcx, prcy;
1077 int precno;
1078 uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
1079 Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
1080 int trx0, try0;
1081
1082 trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno);
1083 try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno);
1084
1085 if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 ||
1086 (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height)))))
1087 continue;
1088
1089 if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 ||
1090 (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width)))))
1091 continue;
1092
1093 // check if a precinct exists
1094 prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width;
1095 prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height;
1096 prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width;
1097 prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height;
1098
1099 precno = prcx + reslevel->num_precincts_x * prcy;
1100
1101 if (prcx >= reslevel->num_precincts_x || prcy >= reslevel->num_precincts_y) {
1102 av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n",
1103 prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y);
1104 continue;
1105 }
1106 for (layno = 0; layno < nlayers; layno++) {
1107 if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0),
1108 qntsty->nguardbits, packetno++, nlayers)) < 0)
1109 return ret;
1110 }
1111 }
1112 }
1113 }
1114 }
1115 break;
1116 case JPEG2000_PGOD_CPRL:
1117 for (compno = 0; compno < s->ncomponents; compno++) {
1118 Jpeg2000Component *comp = tile->comp + compno;
1119 int log_subsampling[2] = { compno?s->chroma_shift[0]:0, compno?s->chroma_shift[1]:0};
1120 step_x = 32;
1121 step_y = 32;
1122
1123 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) {
1124 uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
1125 Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno;
1126 step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno);
1127 step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno);
1128 }
1129 if (step_x >= 31 || step_y >= 31){
1130 avpriv_request_sample(s->avctx, "CPRL with large step");
1131 return AVERROR_PATCHWELCOME;
1132 }
1133 step_x = 1<<step_x;
1134 step_y = 1<<step_y;
1135
1136 for (y = tile_coord[1][0]; y < tile_coord[1][1]; y = (y/step_y + 1)*step_y) {
1137 for (x = tile_coord[0][0]; x < tile_coord[0][1]; x = (x/step_x + 1)*step_x) {
1138 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) {
1139 unsigned prcx, prcy;
1140 int precno;
1141 int trx0, try0;
1142 uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
1143 Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
1144
1145 trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno);
1146 try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno);
1147
1148 if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 ||
1149 (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height)))))
1150 continue;
1151
1152 if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 ||
1153 (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width)))))
1154 continue;
1155
1156 // check if a precinct exists
1157 prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width;
1158 prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height;
1159 prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width;
1160 prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height;
1161
1162 precno = prcx + reslevel->num_precincts_x * prcy;
1163
1164 if (prcx >= reslevel->num_precincts_x || prcy >= reslevel->num_precincts_y) {
1165 av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n",
1166 prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y);
1167 continue;
1168 }
1169 for (layno = 0; layno < nlayers; layno++) {
1170 if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0),
1171 qntsty->nguardbits, packetno++, nlayers)) < 0)
1172 return ret;
1173 }
1174 }
1175 }
1176 }
1177 }
1178
1179 }
1180
1181 1300 av_log(s->avctx, AV_LOG_DEBUG, "after tier2\n");
1182 1300 return 0;
1183 }
1184
1185 static void makelayer(Jpeg2000EncoderContext *s, int layno, double thresh, Jpeg2000Tile* tile, int final)
1186 {
1187 int compno, resno, bandno, precno, cblkno;
1188 int passno;
1189
1190 for (compno = 0; compno < s->ncomponents; compno++) {
1191 Jpeg2000Component *comp = &tile->comp[compno];
1192
1193 for (resno = 0; resno < s->codsty.nreslevels; resno++) {
1194 Jpeg2000ResLevel *reslevel = comp->reslevel + resno;
1195
1196 for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
1197 for (bandno = 0; bandno < reslevel->nbands ; bandno++){
1198 Jpeg2000Band *band = reslevel->band + bandno;
1199 Jpeg2000Prec *prec = band->prec + precno;
1200
1201 for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){
1202 Jpeg2000Cblk *cblk = prec->cblk + cblkno;
1203 Jpeg2000Layer *layer = &cblk->layers[layno];
1204 int n;
1205
1206 if (layno == 0) {
1207 cblk->ninclpasses = 0;
1208 }
1209
1210 n = cblk->ninclpasses;
1211
1212 if (thresh < 0) {
1213 n = cblk->npasses;
1214 } else {
1215 for (passno = cblk->ninclpasses; passno < cblk->npasses; passno++) {
1216 int32_t dr;
1217 double dd;
1218 Jpeg2000Pass *pass = &cblk->passes[passno];
1219
1220 if (n == 0) {
1221 dr = pass->rate;
1222 dd = pass->disto;
1223 } else {
1224 dr = pass->rate - cblk->passes[n - 1].rate;
1225 dd = pass->disto - cblk->passes[n-1].disto;
1226 }
1227
1228 if (!dr) {
1229 if (dd != 0.0) {
1230 n = passno + 1;
1231 }
1232 continue;
1233 }
1234
1235 if (thresh - (dd / dr) < DBL_EPSILON)
1236 n = passno + 1;
1237 }
1238 }
1239 layer->npasses = n - cblk->ninclpasses;
1240 layer->cum_passes = n;
1241
1242 if (layer->npasses == 0) {
1243 layer->disto = 0;
1244 layer->data_len = 0;
1245 continue;
1246 }
1247
1248 if (cblk->ninclpasses == 0) {
1249 layer->data_len = cblk->passes[n - 1].rate;
1250 layer->data_start = cblk->data;
1251 layer->disto = cblk->passes[n - 1].disto;
1252 } else {
1253 layer->data_len = cblk->passes[n - 1].rate - cblk->passes[cblk->ninclpasses - 1].rate;
1254 layer->data_start = cblk->data + cblk->passes[cblk->ninclpasses - 1].rate;
1255 layer->disto = cblk->passes[n - 1].disto -
1256 cblk->passes[cblk->ninclpasses - 1].disto;
1257 }
1258 if (final) {
1259 cblk->ninclpasses = n;
1260 }
1261 }
1262 }
1263 }
1264 }
1265 }
1266 }
1267
1268 static void makelayers(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile)
1269 {
1270 int precno, compno, reslevelno, bandno, cblkno, lev, passno, layno;
1271 int i;
1272 double min = DBL_MAX;
1273 double max = 0;
1274 double thresh;
1275
1276 Jpeg2000CodingStyle *codsty = &s->codsty;
1277
1278 for (compno = 0; compno < s->ncomponents; compno++){
1279 Jpeg2000Component *comp = tile->comp + compno;
1280
1281 for (reslevelno = 0, lev = codsty->nreslevels-1; reslevelno < codsty->nreslevels; reslevelno++, lev--){
1282 Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
1283
1284 for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
1285 for (bandno = 0; bandno < reslevel->nbands ; bandno++){
1286 Jpeg2000Band *band = reslevel->band + bandno;
1287 Jpeg2000Prec *prec = band->prec + precno;
1288
1289 for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){
1290 Jpeg2000Cblk *cblk = prec->cblk + cblkno;
1291 for (passno = 0; passno < cblk->npasses; passno++) {
1292 Jpeg2000Pass *pass = &cblk->passes[passno];
1293 int dr;
1294 double dd, drslope;
1295
1296 if (passno == 0) {
1297 dr = (int32_t)pass->rate;
1298 dd = pass->disto;
1299 } else {
1300 dr = (int32_t)(pass->rate - cblk->passes[passno - 1].rate);
1301 dd = pass->disto - cblk->passes[passno - 1].disto;
1302 }
1303
1304 if (dr <= 0)
1305 continue;
1306
1307 drslope = dd / dr;
1308 if (drslope < min)
1309 min = drslope;
1310
1311 if (drslope > max)
1312 max = drslope;
1313 }
1314 }
1315 }
1316 }
1317 }
1318 }
1319
1320 for (layno = 0; layno < s->nlayers; layno++) {
1321 double lo = min;
1322 double hi = max;
1323 double stable_thresh = 0.0;
1324 double good_thresh = 0.0;
1325 if (!s->layer_rates[layno]) {
1326 good_thresh = -1.0;
1327 } else {
1328 for (i = 0; i < 128; i++) {
1329 uint8_t *stream_pos = s->buf;
1330 int ret;
1331 thresh = (lo + hi) / 2;
1332 makelayer(s, layno, thresh, tile, 0);
1333 ret = encode_packets(s, tile, (int)(tile - s->tile), layno + 1);
1334 memset(stream_pos, 0, s->buf - stream_pos);
1335 if ((s->buf - stream_pos > ceil(tile->layer_rates[layno])) || ret < 0) {
1336 lo = thresh;
1337 s->buf = stream_pos;
1338 continue;
1339 }
1340 hi = thresh;
1341 stable_thresh = thresh;
1342 s->buf = stream_pos;
1343 }
1344 }
1345 if (good_thresh >= 0.0)
1346 good_thresh = stable_thresh == 0.0 ? thresh : stable_thresh;
1347 makelayer(s, layno, good_thresh, tile, 1);
1348 }
1349 }
1350
1351 417000 static int getcut(Jpeg2000Cblk *cblk, int64_t lambda, int dwt_norm)
1352 {
1353 417000 int passno, res = 0;
1354
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7855376 for (passno = 0; passno < cblk->npasses; passno++){
1355 int dr;
1356 int64_t dd;
1357
1358 14876752 dr = cblk->passes[passno].rate
1359
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7438376 - (res ? cblk->passes[res-1].rate : 0);
1360 14876752 dd = cblk->passes[passno].disto
1361
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7438376 - (res ? cblk->passes[res-1].disto : 0);
1362
1363
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7438376 if (((dd * dwt_norm) >> WMSEDEC_SHIFT) * dwt_norm >= dr * lambda)
1364 2587785 res = passno+1;
1365 }
1366 417000 return res;
1367 }
1368
1369 1300 static void truncpasses(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile)
1370 {
1371 int precno, compno, reslevelno, bandno, cblkno, lev;
1372 1300 Jpeg2000CodingStyle *codsty = &s->codsty;
1373
1374
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5200 for (compno = 0; compno < s->ncomponents; compno++){
1375 3900 Jpeg2000Component *comp = tile->comp + compno;
1376
1377
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31200 for (reslevelno = 0, lev = codsty->nreslevels-1; reslevelno < codsty->nreslevels; reslevelno++, lev--){
1378 27300 Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
1379
1380
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54600 for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
1381
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101400 for (bandno = 0; bandno < reslevel->nbands ; bandno++){
1382 74100 int bandpos = bandno + (reslevelno > 0);
1383 74100 Jpeg2000Band *band = reslevel->band + bandno;
1384 74100 Jpeg2000Prec *prec = band->prec + precno;
1385
1386
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491100 for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){
1387 417000 Jpeg2000Cblk *cblk = prec->cblk + cblkno;
1388
1389 834000 cblk->ninclpasses = getcut(cblk, s->lambda,
1390 417000 (int64_t)dwt_norms[codsty->transform == FF_DWT53][bandpos][lev] * (int64_t)band->i_stepsize >> 15);
1391 417000 cblk->layers[0].data_start = cblk->data;
1392 417000 cblk->layers[0].cum_passes = cblk->ninclpasses;
1393 417000 cblk->layers[0].npasses = cblk->ninclpasses;
1394
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417000 if (cblk->ninclpasses)
1395 380616 cblk->layers[0].data_len = cblk->passes[cblk->ninclpasses - 1].rate;
1396 }
1397 }
1398 }
1399 }
1400 }
1401 1300 }
1402
1403 1300 static int encode_tile(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno)
1404 {
1405 int compno, reslevelno, bandno, ret;
1406 Jpeg2000T1Context t1;
1407 1300 Jpeg2000CodingStyle *codsty = &s->codsty;
1408
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5200 for (compno = 0; compno < s->ncomponents; compno++){
1409 3900 Jpeg2000Component *comp = s->tile[tileno].comp + compno;
1410
1411 3900 t1.stride = (1<<codsty->log2_cblk_width) + 2;
1412
1413 3900 av_log(s->avctx, AV_LOG_DEBUG,"dwt\n");
1414
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3900 if ((ret = ff_dwt_encode(&comp->dwt, comp->i_data)) < 0)
1415 return ret;
1416 3900 av_log(s->avctx, AV_LOG_DEBUG,"after dwt -> tier1\n");
1417
1418
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31200 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){
1419 27300 Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
1420
1421
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101400 for (bandno = 0; bandno < reslevel->nbands ; bandno++){
1422 74100 Jpeg2000Band *band = reslevel->band + bandno;
1423 74100 Jpeg2000Prec *prec = band->prec; // we support only 1 precinct per band ATM in the encoder
1424 74100 int cblkx, cblky, cblkno=0, xx0, x0, xx1, y0, yy0, yy1, bandpos;
1425
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74100 yy0 = bandno == 0 ? 0 : comp->reslevel[reslevelno-1].coord[1][1] - comp->reslevel[reslevelno-1].coord[1][0];
1426 74100 y0 = yy0;
1427
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74100 yy1 = FFMIN(ff_jpeg2000_ceildivpow2(band->coord[1][0] + 1, band->log2_cblk_height) << band->log2_cblk_height,
1428 74100 band->coord[1][1]) - band->coord[1][0] + yy0;
1429
1430
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74100 if (band->coord[0][0] == band->coord[0][1] || band->coord[1][0] == band->coord[1][1])
1431 3600 continue;
1432
1433 70500 bandpos = bandno + (reslevelno > 0);
1434
1435
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201300 for (cblky = 0; cblky < prec->nb_codeblocks_height; cblky++){
1436
4/4
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✓ Branch 2 taken 41700 times.
✓ Branch 3 taken 85200 times.
130800 if (reslevelno == 0 || bandno == 1)
1437 45600 xx0 = 0;
1438 else
1439 85200 xx0 = comp->reslevel[reslevelno-1].coord[0][1] - comp->reslevel[reslevelno-1].coord[0][0];
1440 130800 x0 = xx0;
1441
2/2
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✓ Branch 2 taken 90900 times.
130800 xx1 = FFMIN(ff_jpeg2000_ceildivpow2(band->coord[0][0] + 1, band->log2_cblk_width) << band->log2_cblk_width,
1442 130800 band->coord[0][1]) - band->coord[0][0] + xx0;
1443
1444
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544200 for (cblkx = 0; cblkx < prec->nb_codeblocks_width; cblkx++, cblkno++){
1445 int y, x;
1446
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413400 if (codsty->transform == FF_DWT53){
1447
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3186450 for (y = yy0; y < yy1; y++){
1448 2979750 int *ptr = t1.data + (y-yy0)*t1.stride;
1449
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48772350 for (x = xx0; x < xx1; x++){
1450 45792600 *ptr++ = comp->i_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x] * (1 << NMSEDEC_FRACBITS);
1451 }
1452 }
1453 } else{
1454
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3186450 for (y = yy0; y < yy1; y++){
1455 2979750 int *ptr = t1.data + (y-yy0)*t1.stride;
1456
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48772350 for (x = xx0; x < xx1; x++){
1457 45792600 *ptr = (comp->i_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x]);
1458 45792600 *ptr = (int64_t)*ptr * (int64_t)(16384 * 65536 / band->i_stepsize) >> 15 - NMSEDEC_FRACBITS;
1459 45792600 ptr++;
1460 }
1461 }
1462 }
1463
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413400 if (!prec->cblk[cblkno].data)
1464 8268 prec->cblk[cblkno].data = av_malloc(1 + 8192);
1465
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413400 if (!prec->cblk[cblkno].passes)
1466 8268 prec->cblk[cblkno].passes = av_malloc_array(JPEG2000_MAX_PASSES, sizeof (*prec->cblk[cblkno].passes));
1467
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413400 if (!prec->cblk[cblkno].data || !prec->cblk[cblkno].passes)
1468 return AVERROR(ENOMEM);
1469 413400 encode_cblk(s, &t1, prec->cblk + cblkno, tile, xx1 - xx0, yy1 - yy0,
1470 413400 bandpos, codsty->nreslevels - reslevelno - 1);
1471 413400 xx0 = xx1;
1472 413400 xx1 = FFMIN(xx1 + (1 << band->log2_cblk_width), band->coord[0][1] - band->coord[0][0] + x0);
1473 }
1474 130800 yy0 = yy1;
1475 130800 yy1 = FFMIN(yy1 + (1 << band->log2_cblk_height), band->coord[1][1] - band->coord[1][0] + y0);
1476 }
1477 }
1478 }
1479 3900 av_log(s->avctx, AV_LOG_DEBUG, "after tier1\n");
1480 }
1481
1482 1300 av_log(s->avctx, AV_LOG_DEBUG, "rate control\n");
1483
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1300 if (s->compression_rate_enc)
1484 makelayers(s, tile);
1485 else
1486 1300 truncpasses(s, tile);
1487
1488
1/2
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1300 if ((ret = encode_packets(s, tile, tileno, s->nlayers)) < 0)
1489 return ret;
1490 1300 av_log(s->avctx, AV_LOG_DEBUG, "after rate control\n");
1491 1300 return 0;
1492 }
1493
1494 8 static void cleanup(Jpeg2000EncoderContext *s)
1495 {
1496 int tileno, compno;
1497 8 Jpeg2000CodingStyle *codsty = &s->codsty;
1498
1499
1/2
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✓ Branch 1 taken 8 times.
8 if (!s->tile)
1500 return;
1501
2/2
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✓ Branch 1 taken 8 times.
34 for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){
1502
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✗ Branch 1 not taken.
26 if (s->tile[tileno].comp) {
1503
2/2
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✓ Branch 1 taken 26 times.
104 for (compno = 0; compno < s->ncomponents; compno++){
1504 78 Jpeg2000Component *comp = s->tile[tileno].comp + compno;
1505 78 ff_jpeg2000_cleanup(comp, codsty);
1506 }
1507 26 av_freep(&s->tile[tileno].comp);
1508 }
1509 26 av_freep(&s->tile[tileno].layer_rates);
1510 }
1511 8 av_freep(&s->tile);
1512 }
1513
1514 400 static void reinit(Jpeg2000EncoderContext *s)
1515 {
1516 int tileno, compno;
1517
2/2
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✓ Branch 1 taken 400 times.
1700 for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){
1518 1300 Jpeg2000Tile *tile = s->tile + tileno;
1519
2/2
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5200 for (compno = 0; compno < s->ncomponents; compno++)
1520 3900 ff_jpeg2000_reinit(tile->comp + compno, &s->codsty);
1521 }
1522 400 }
1523
1524 2000 static void update_size(uint8_t *size, const uint8_t *end)
1525 {
1526 2000 AV_WB32(size, end-size);
1527 2000 }
1528
1529 400 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
1530 const AVFrame *pict, int *got_packet)
1531 {
1532 int tileno, ret;
1533 400 Jpeg2000EncoderContext *s = avctx->priv_data;
1534 uint8_t *chunkstart, *jp2cstart, *jp2hstart;
1535
1536
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400 if ((ret = ff_alloc_packet(avctx, pkt, avctx->width*avctx->height*9 + AV_INPUT_BUFFER_MIN_SIZE)) < 0)
1537 return ret;
1538
1539 // init:
1540 400 s->buf = s->buf_start = pkt->data;
1541 400 s->buf_end = pkt->data + pkt->size;
1542
1543 400 s->picture = pict;
1544
1545 400 s->lambda = s->picture->quality * LAMBDA_SCALE;
1546
1547
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400 if (avctx->pix_fmt == AV_PIX_FMT_BGR48 || avctx->pix_fmt == AV_PIX_FMT_GRAY16)
1548 copy_frame_16(s);
1549 else
1550 400 copy_frame_8(s);
1551
1552 400 reinit(s);
1553
1554
1/2
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400 if (s->format == CODEC_JP2) {
1555
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400 av_assert0(s->buf == pkt->data);
1556
1557 400 bytestream_put_be32(&s->buf, 0x0000000C);
1558 400 bytestream_put_be32(&s->buf, 0x6A502020);
1559 400 bytestream_put_be32(&s->buf, 0x0D0A870A);
1560
1561 400 chunkstart = s->buf;
1562 400 bytestream_put_be32(&s->buf, 0);
1563 400 bytestream_put_buffer(&s->buf, "ftyp", 4);
1564 400 bytestream_put_buffer(&s->buf, "jp2\040\040", 4);
1565 400 bytestream_put_be32(&s->buf, 0);
1566 400 bytestream_put_buffer(&s->buf, "jp2\040", 4);
1567 400 update_size(chunkstart, s->buf);
1568
1569 400 jp2hstart = s->buf;
1570 400 bytestream_put_be32(&s->buf, 0);
1571 400 bytestream_put_buffer(&s->buf, "jp2h", 4);
1572
1573 400 chunkstart = s->buf;
1574 400 bytestream_put_be32(&s->buf, 0);
1575 400 bytestream_put_buffer(&s->buf, "ihdr", 4);
1576 400 bytestream_put_be32(&s->buf, avctx->height);
1577 400 bytestream_put_be32(&s->buf, avctx->width);
1578 400 bytestream_put_be16(&s->buf, s->ncomponents);
1579 400 bytestream_put_byte(&s->buf, s->cbps[0]);
1580 400 bytestream_put_byte(&s->buf, 7);
1581 400 bytestream_put_byte(&s->buf, 0);
1582 400 bytestream_put_byte(&s->buf, 0);
1583 400 update_size(chunkstart, s->buf);
1584
1585 400 chunkstart = s->buf;
1586 400 bytestream_put_be32(&s->buf, 0);
1587 400 bytestream_put_buffer(&s->buf, "colr", 4);
1588 400 bytestream_put_byte(&s->buf, 1);
1589 400 bytestream_put_byte(&s->buf, 0);
1590 400 bytestream_put_byte(&s->buf, 0);
1591
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400 if (avctx->pix_fmt == AV_PIX_FMT_RGB24 || avctx->pix_fmt == AV_PIX_FMT_PAL8) {
1592 400 bytestream_put_be32(&s->buf, 16);
1593 } else if (s->ncomponents == 1) {
1594 bytestream_put_be32(&s->buf, 17);
1595 } else {
1596 bytestream_put_be32(&s->buf, 18);
1597 }
1598 400 update_size(chunkstart, s->buf);
1599
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400 if (avctx->pix_fmt == AV_PIX_FMT_PAL8) {
1600 int i;
1601 uint8_t *palette = pict->data[1];
1602 chunkstart = s->buf;
1603 bytestream_put_be32(&s->buf, 0);
1604 bytestream_put_buffer(&s->buf, "pclr", 4);
1605 bytestream_put_be16(&s->buf, AVPALETTE_COUNT);
1606 bytestream_put_byte(&s->buf, 3); // colour channels
1607 bytestream_put_be24(&s->buf, 0x070707); //colour depths
1608 for (i = 0; i < AVPALETTE_COUNT; i++) {
1609 bytestream_put_be24(&s->buf, HAVE_BIGENDIAN ? AV_RB24(palette + 1) : AV_RL24(palette));
1610 palette += 4;
1611 }
1612 update_size(chunkstart, s->buf);
1613 chunkstart = s->buf;
1614 bytestream_put_be32(&s->buf, 0);
1615 bytestream_put_buffer(&s->buf, "cmap", 4);
1616 for (i = 0; i < 3; i++) {
1617 bytestream_put_be16(&s->buf, 0); // component
1618 bytestream_put_byte(&s->buf, 1); // palette mapping
1619 bytestream_put_byte(&s->buf, i); // index
1620 }
1621 update_size(chunkstart, s->buf);
1622 }
1623 400 update_size(jp2hstart, s->buf);
1624
1625 400 jp2cstart = s->buf;
1626 400 bytestream_put_be32(&s->buf, 0);
1627 400 bytestream_put_buffer(&s->buf, "jp2c", 4);
1628 }
1629
1630
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400 if (s->buf_end - s->buf < 2)
1631 return -1;
1632 400 bytestream_put_be16(&s->buf, JPEG2000_SOC);
1633
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400 if ((ret = put_siz(s)) < 0)
1634 return ret;
1635
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400 if ((ret = put_cod(s)) < 0)
1636 return ret;
1637
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400 if ((ret = put_qcd(s, 0)) < 0)
1638 return ret;
1639
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400 if ((ret = put_com(s, 0)) < 0)
1640 return ret;
1641
1642
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1700 for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){
1643 uint8_t *psotptr;
1644
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1300 if (!(psotptr = put_sot(s, tileno)))
1645 return -1;
1646
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1300 if (s->buf_end - s->buf < 2)
1647 return -1;
1648 1300 bytestream_put_be16(&s->buf, JPEG2000_SOD);
1649
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1300 if ((ret = encode_tile(s, s->tile + tileno, tileno)) < 0)
1650 return ret;
1651 1300 bytestream_put_be32(&psotptr, s->buf - psotptr + 6);
1652 }
1653
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400 if (s->buf_end - s->buf < 2)
1654 return -1;
1655 400 bytestream_put_be16(&s->buf, JPEG2000_EOC);
1656
1657
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400 if (s->format == CODEC_JP2)
1658 400 update_size(jp2cstart, s->buf);
1659
1660 400 av_log(s->avctx, AV_LOG_DEBUG, "end\n");
1661 400 pkt->size = s->buf - s->buf_start;
1662 400 *got_packet = 1;
1663
1664 400 return 0;
1665 }
1666
1667 8 static int parse_layer_rates(Jpeg2000EncoderContext *s)
1668 {
1669 int i;
1670 char *token;
1671 8 char *saveptr = NULL;
1672 int rate;
1673 8 int nlayers = 0;
1674
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8 if (!s->lr_str) {
1675 8 s->nlayers = 1;
1676 8 s->layer_rates[0] = 0;
1677 8 s->compression_rate_enc = 0;
1678 8 return 0;
1679 }
1680
1681 token = av_strtok(s->lr_str, ",", &saveptr);
1682 if (token && (rate = strtol(token, NULL, 10))) {
1683 s->layer_rates[0] = rate <= 1 ? 0:rate;
1684 nlayers++;
1685 } else {
1686 return AVERROR_INVALIDDATA;
1687 }
1688
1689 while (1) {
1690 token = av_strtok(NULL, ",", &saveptr);
1691 if (!token)
1692 break;
1693 if (rate = strtol(token, NULL, 10)) {
1694 if (nlayers >= 100) {
1695 return AVERROR_INVALIDDATA;
1696 }
1697 s->layer_rates[nlayers] = rate <= 1 ? 0:rate;
1698 nlayers++;
1699 } else {
1700 return AVERROR_INVALIDDATA;
1701 }
1702 }
1703
1704 for (i = 1; i < nlayers; i++) {
1705 if (s->layer_rates[i] >= s->layer_rates[i-1]) {
1706 return AVERROR_INVALIDDATA;
1707 }
1708 }
1709 s->nlayers = nlayers;
1710 s->compression_rate_enc = 1;
1711 return 0;
1712 }
1713
1714 8 static av_cold int j2kenc_init(AVCodecContext *avctx)
1715 {
1716 static AVOnce init_static_once = AV_ONCE_INIT;
1717 int i, ret;
1718 8 Jpeg2000EncoderContext *s = avctx->priv_data;
1719 8 Jpeg2000CodingStyle *codsty = &s->codsty;
1720 8 Jpeg2000QuantStyle *qntsty = &s->qntsty;
1721
1722 8 s->avctx = avctx;
1723 8 av_log(s->avctx, AV_LOG_DEBUG, "init\n");
1724
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8 if (parse_layer_rates(s)) {
1725 av_log(s, AV_LOG_WARNING, "Layer rates invalid. Encoding with 1 layer based on quality metric.\n");
1726 s->nlayers = 1;
1727 s->layer_rates[0] = 0;
1728 s->compression_rate_enc = 0;
1729 }
1730
1731
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8 if (avctx->pix_fmt == AV_PIX_FMT_PAL8 && (s->pred != FF_DWT97_INT || s->format != CODEC_JP2)) {
1732 av_log(s->avctx, AV_LOG_WARNING, "Forcing lossless jp2 for pal8\n");
1733 s->pred = FF_DWT97_INT;
1734 s->format = CODEC_JP2;
1735 }
1736
1737 // defaults:
1738 // TODO: implement setting non-standard precinct size
1739 8 memset(codsty->log2_prec_widths , 15, sizeof(codsty->log2_prec_widths ));
1740 8 memset(codsty->log2_prec_heights, 15, sizeof(codsty->log2_prec_heights));
1741 8 codsty->nreslevels2decode=
1742 8 codsty->nreslevels = 7;
1743 8 codsty->nlayers = s->nlayers;
1744 8 codsty->log2_cblk_width = 4;
1745 8 codsty->log2_cblk_height = 4;
1746
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8 codsty->transform = s->pred ? FF_DWT53 : FF_DWT97_INT;
1747
1748 8 qntsty->nguardbits = 1;
1749
1750
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8 if ((s->tile_width & (s->tile_width -1)) ||
1751
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8 (s->tile_height & (s->tile_height-1))) {
1752 av_log(avctx, AV_LOG_WARNING, "Tile dimension not a power of 2\n");
1753 }
1754
1755
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8 if (codsty->transform == FF_DWT53)
1756 4 qntsty->quantsty = JPEG2000_QSTY_NONE;
1757 else
1758 4 qntsty->quantsty = JPEG2000_QSTY_SE;
1759
1760 8 s->width = avctx->width;
1761 8 s->height = avctx->height;
1762
1763
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32 for (i = 0; i < 3; i++) {
1764
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24 if (avctx->pix_fmt == AV_PIX_FMT_GRAY16 || avctx->pix_fmt == AV_PIX_FMT_RGB48)
1765 s->cbps[i] = 16;
1766 else
1767 24 s->cbps[i] = 8;
1768 }
1769
1770
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8 if (avctx->pix_fmt == AV_PIX_FMT_RGB24 || avctx->pix_fmt == AV_PIX_FMT_RGB48){
1771 8 s->ncomponents = 3;
1772 } else if (avctx->pix_fmt == AV_PIX_FMT_GRAY8 || avctx->pix_fmt == AV_PIX_FMT_PAL8 || avctx->pix_fmt == AV_PIX_FMT_GRAY16){
1773 s->ncomponents = 1;
1774 } else{ // planar YUV
1775 s->planar = 1;
1776 s->ncomponents = 3;
1777 ret = av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt,
1778 s->chroma_shift, s->chroma_shift + 1);
1779 if (ret)
1780 return ret;
1781 }
1782
1783 8 ff_thread_once(&init_static_once, init_luts);
1784
1785 8 init_quantization(s);
1786
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8 if ((ret=init_tiles(s)) < 0)
1787 return ret;
1788
1789 8 av_log(s->avctx, AV_LOG_DEBUG, "after init\n");
1790
1791 8 return 0;
1792 }
1793
1794 8 static int j2kenc_destroy(AVCodecContext *avctx)
1795 {
1796 8 Jpeg2000EncoderContext *s = avctx->priv_data;
1797
1798 8 cleanup(s);
1799 8 return 0;
1800 }
1801
1802 // taken from the libopenjpeg wraper so it matches
1803
1804 #define OFFSET(x) offsetof(Jpeg2000EncoderContext, x)
1805 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1806 static const AVOption options[] = {
1807 { "format", "Codec Format", OFFSET(format), AV_OPT_TYPE_INT, { .i64 = CODEC_JP2 }, CODEC_J2K, CODEC_JP2, VE, "format" },
1808 { "j2k", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_J2K }, 0, 0, VE, "format" },
1809 { "jp2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_JP2 }, 0, 0, VE, "format" },
1810 { "tile_width", "Tile Width", OFFSET(tile_width), AV_OPT_TYPE_INT, { .i64 = 256 }, 1, 1<<30, VE, },
1811 { "tile_height", "Tile Height", OFFSET(tile_height), AV_OPT_TYPE_INT, { .i64 = 256 }, 1, 1<<30, VE, },
1812 { "pred", "DWT Type", OFFSET(pred), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, "pred" },
1813 { "dwt97int", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "pred" },
1814 { "dwt53", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "pred" },
1815 { "sop", "SOP marker", OFFSET(sop), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, },
1816 { "eph", "EPH marker", OFFSET(eph), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, },
1817 { "prog", "Progression Order", OFFSET(prog), AV_OPT_TYPE_INT, { .i64 = 0 }, JPEG2000_PGOD_LRCP, JPEG2000_PGOD_CPRL, VE, "prog" },
1818 { "lrcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_LRCP }, 0, 0, VE, "prog" },
1819 { "rlcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_RLCP }, 0, 0, VE, "prog" },
1820 { "rpcl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_RPCL }, 0, 0, VE, "prog" },
1821 { "pcrl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_PCRL }, 0, 0, VE, "prog" },
1822 { "cprl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_CPRL }, 0, 0, VE, "prog" },
1823 { "layer_rates", "Layer Rates", OFFSET(lr_str), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VE },
1824 { NULL }
1825 };
1826
1827 static const AVClass j2k_class = {
1828 .class_name = "jpeg 2000 encoder",
1829 .item_name = av_default_item_name,
1830 .option = options,
1831 .version = LIBAVUTIL_VERSION_INT,
1832 };
1833
1834 const AVCodec ff_jpeg2000_encoder = {
1835 .name = "jpeg2000",
1836 .long_name = NULL_IF_CONFIG_SMALL("JPEG 2000"),
1837 .type = AVMEDIA_TYPE_VIDEO,
1838 .id = AV_CODEC_ID_JPEG2000,
1839 .priv_data_size = sizeof(Jpeg2000EncoderContext),
1840 .init = j2kenc_init,
1841 .encode2 = encode_frame,
1842 .close = j2kenc_destroy,
1843 .pix_fmts = (const enum AVPixelFormat[]) {
1844 AV_PIX_FMT_RGB24, AV_PIX_FMT_YUV444P, AV_PIX_FMT_GRAY8,
1845 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P,
1846 AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P,
1847 AV_PIX_FMT_PAL8,
1848 AV_PIX_FMT_RGB48, AV_PIX_FMT_GRAY16,
1849 AV_PIX_FMT_NONE
1850 },
1851 .priv_class = &j2k_class,
1852 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
1853 };
1854