FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/j2kenc.c
Date: 2026-01-23 19:11:46
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 /* bitstream routines */
152
153 /** put n times val bit */
154 21037957 static void put_bits(Jpeg2000EncoderContext *s, int val, int n) // TODO: optimize
155 {
156
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37133179 while (n-- > 0){
157
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16095222 if (s->bit_index == 8)
158 {
159 1986379 s->bit_index = *s->buf == 0xff;
160 1986379 *(++s->buf) = 0;
161 }
162 16095222 *s->buf |= val << (7 - s->bit_index++);
163 }
164 21037957 }
165
166 /** put n least significant bits of a number num */
167 1589586 static void put_num(Jpeg2000EncoderContext *s, int num, int n)
168 {
169
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13346015 while(--n >= 0)
170 11756429 put_bits(s, (num >> n) & 1, 1);
171 1589586 }
172
173 /** flush the bitstream */
174 59150 static void j2k_flush(Jpeg2000EncoderContext *s)
175 {
176
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59150 if (s->bit_index){
177 59150 s->bit_index = 0;
178 59150 s->buf++;
179 }
180 59150 }
181
182 /* tag tree routines */
183
184 /** code the value stored in node */
185 1622232 static void tag_tree_code(Jpeg2000EncoderContext *s, Jpeg2000TgtNode *node, int threshold)
186 {
187 Jpeg2000TgtNode *stack[30];
188 1622232 int sp = -1, curval = 0;
189
190
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5428164 while(node->parent){
191 3805932 stack[++sp] = node;
192 3805932 node = node->parent;
193 }
194
195 while (1) {
196
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5428164 if (curval > node->temp_val)
197 965152 node->temp_val = curval;
198 else {
199 4463012 curval = node->temp_val;
200 }
201
202
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5428164 if (node->val >= threshold) {
203 38099 put_bits(s, 0, threshold - curval);
204 38099 curval = threshold;
205 } else {
206 5390065 put_bits(s, 0, node->val - curval);
207 5390065 curval = node->val;
208
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5390065 if (!node->vis) {
209 2204628 put_bits(s, 1, 1);
210 2204628 node->vis = 1;
211 }
212 }
213
214 5428164 node->temp_val = curval;
215
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5428164 if (sp < 0)
216 1622232 break;
217 3805932 node = stack[sp--];
218 }
219 1622232 }
220
221 /** update the value in node */
222 1791400 static void tag_tree_update(Jpeg2000TgtNode *node)
223 {
224
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2620688 while (node->parent){
225
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2281640 if (node->parent->val <= node->val)
226 1452352 break;
227 829288 node->parent->val = node->val;
228 829288 node = node->parent;
229 }
230 1791400 }
231
232 800 static int put_siz(Jpeg2000EncoderContext *s)
233 {
234 int i;
235
236
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800 if (s->buf_end - s->buf < 40 + 3 * s->ncomponents)
237 return -1;
238
239 800 bytestream_put_be16(&s->buf, JPEG2000_SIZ);
240 800 bytestream_put_be16(&s->buf, 38 + 3 * s->ncomponents); // Lsiz
241 800 bytestream_put_be16(&s->buf, 0); // Rsiz
242 800 bytestream_put_be32(&s->buf, s->width); // width
243 800 bytestream_put_be32(&s->buf, s->height); // height
244 800 bytestream_put_be32(&s->buf, 0); // X0Siz
245 800 bytestream_put_be32(&s->buf, 0); // Y0Siz
246
247 800 bytestream_put_be32(&s->buf, s->tile_width); // XTSiz
248 800 bytestream_put_be32(&s->buf, s->tile_height); // YTSiz
249 800 bytestream_put_be32(&s->buf, 0); // XT0Siz
250 800 bytestream_put_be32(&s->buf, 0); // YT0Siz
251 800 bytestream_put_be16(&s->buf, s->ncomponents); // CSiz
252
253
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3400 for (i = 0; i < s->ncomponents; i++){ // Ssiz_i XRsiz_i, YRsiz_i
254 2600 bytestream_put_byte(&s->buf, s->cbps[i] - 1);
255
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2600 bytestream_put_byte(&s->buf, (i+1&2)?1<<s->chroma_shift[0]:1);
256
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2600 bytestream_put_byte(&s->buf, (i+1&2)?1<<s->chroma_shift[1]:1);
257 }
258 800 return 0;
259 }
260
261 800 static int put_cod(Jpeg2000EncoderContext *s)
262 {
263 800 Jpeg2000CodingStyle *codsty = &s->codsty;
264 800 uint8_t scod = 0;
265
266
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800 if (s->buf_end - s->buf < 14)
267 return -1;
268
269 800 bytestream_put_be16(&s->buf, JPEG2000_COD);
270 800 bytestream_put_be16(&s->buf, 12); // Lcod
271
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800 if (s->sop)
272 scod |= JPEG2000_CSTY_SOP;
273
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800 if (s->eph)
274 scod |= JPEG2000_CSTY_EPH;
275 800 bytestream_put_byte(&s->buf, scod); // Scod
276 // SGcod
277 800 bytestream_put_byte(&s->buf, s->prog); // progression level
278 800 bytestream_put_be16(&s->buf, s->nlayers); // num of layers
279
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800 if(s->avctx->pix_fmt == AV_PIX_FMT_YUV444P){
280 bytestream_put_byte(&s->buf, 0); // unspecified
281 }else{
282 800 bytestream_put_byte(&s->buf, 0); // unspecified
283 }
284 // SPcod
285 800 bytestream_put_byte(&s->buf, codsty->nreslevels - 1); // num of decomp. levels
286 800 bytestream_put_byte(&s->buf, codsty->log2_cblk_width-2); // cblk width
287 800 bytestream_put_byte(&s->buf, codsty->log2_cblk_height-2); // cblk height
288 800 bytestream_put_byte(&s->buf, 0); // cblk style
289 800 bytestream_put_byte(&s->buf, codsty->transform == FF_DWT53); // transformation
290 800 return 0;
291 }
292
293 800 static int put_qcd(Jpeg2000EncoderContext *s, int compno)
294 {
295 int i, size;
296 800 Jpeg2000CodingStyle *codsty = &s->codsty;
297 800 Jpeg2000QuantStyle *qntsty = &s->qntsty;
298
299
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800 if (qntsty->quantsty == JPEG2000_QSTY_NONE)
300 600 size = 4 + 3 * (codsty->nreslevels-1);
301 else // QSTY_SE
302 200 size = 5 + 6 * (codsty->nreslevels-1);
303
304
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800 if (s->buf_end - s->buf < size + 2)
305 return -1;
306
307 800 bytestream_put_be16(&s->buf, JPEG2000_QCD);
308 800 bytestream_put_be16(&s->buf, size); // LQcd
309 800 bytestream_put_byte(&s->buf, (qntsty->nguardbits << 5) | qntsty->quantsty); // Sqcd
310
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800 if (qntsty->quantsty == JPEG2000_QSTY_NONE)
311
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12000 for (i = 0; i < codsty->nreslevels * 3 - 2; i++)
312 11400 bytestream_put_byte(&s->buf, qntsty->expn[i] << 3);
313 else // QSTY_SE
314
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4000 for (i = 0; i < codsty->nreslevels * 3 - 2; i++)
315 3800 bytestream_put_be16(&s->buf, (qntsty->expn[i] << 11) | qntsty->mant[i]);
316 800 return 0;
317 }
318
319 800 static int put_com(Jpeg2000EncoderContext *s, int compno)
320 {
321 800 int size = 4 + strlen(LIBAVCODEC_IDENT);
322
323
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800 if (s->avctx->flags & AV_CODEC_FLAG_BITEXACT)
324 800 return 0;
325
326 if (s->buf_end - s->buf < size + 2)
327 return -1;
328
329 bytestream_put_be16(&s->buf, JPEG2000_COM);
330 bytestream_put_be16(&s->buf, size);
331 bytestream_put_be16(&s->buf, 1); // General use (ISO/IEC 8859-15 (Latin) values)
332
333 bytestream_put_buffer(&s->buf, LIBAVCODEC_IDENT, strlen(LIBAVCODEC_IDENT));
334
335 return 0;
336 }
337
338 2600 static uint8_t *put_sot(Jpeg2000EncoderContext *s, int tileno)
339 {
340 uint8_t *psotptr;
341
342
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2600 if (s->buf_end - s->buf < 12)
343 return NULL;
344
345 2600 bytestream_put_be16(&s->buf, JPEG2000_SOT);
346 2600 bytestream_put_be16(&s->buf, 10); // Lsot
347 2600 bytestream_put_be16(&s->buf, tileno); // Isot
348
349 2600 psotptr = s->buf;
350 2600 bytestream_put_be32(&s->buf, 0); // Psot (filled in later)
351
352 2600 bytestream_put_byte(&s->buf, 0); // TPsot
353 2600 bytestream_put_byte(&s->buf, 1); // TNsot
354 2600 return psotptr;
355 }
356
357 16 static void compute_rates(Jpeg2000EncoderContext* s)
358 {
359 int i, j;
360 int layno, compno;
361
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44 for (i = 0; i < s->numYtiles; i++) {
362
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80 for (j = 0; j < s->numXtiles; j++) {
363 52 Jpeg2000Tile *tile = &s->tile[s->numXtiles * i + j];
364
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221 for (compno = 0; compno < s->ncomponents; compno++) {
365 169 int tilew = tile->comp[compno].coord[0][1] - tile->comp[compno].coord[0][0];
366 169 int tileh = tile->comp[compno].coord[1][1] - tile->comp[compno].coord[1][0];
367
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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);
368
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338 for (layno = 0; layno < s->nlayers; layno++) {
369
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169 if (s->layer_rates[layno] > 0) {
370 tile->layer_rates[layno] += (double)(tilew * tileh) * s->ncomponents * s->cbps[compno] /
371 (double)(s->layer_rates[layno] * 8 * scale);
372 } else {
373 169 tile->layer_rates[layno] = 0.0;
374 }
375 }
376 }
377 }
378 }
379
380 16 }
381
382 /**
383 * compute the sizes of tiles, resolution levels, bands, etc.
384 * allocate memory for them
385 * divide the input image into tile-components
386 */
387 16 static int init_tiles(Jpeg2000EncoderContext *s)
388 {
389 int tileno, tilex, tiley, compno;
390 16 Jpeg2000CodingStyle *codsty = &s->codsty;
391 16 Jpeg2000QuantStyle *qntsty = &s->qntsty;
392
393 16 s->numXtiles = ff_jpeg2000_ceildiv(s->width, s->tile_width);
394 16 s->numYtiles = ff_jpeg2000_ceildiv(s->height, s->tile_height);
395
396 16 s->tile = av_calloc(s->numXtiles, s->numYtiles * sizeof(Jpeg2000Tile));
397
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16 if (!s->tile)
398 return AVERROR(ENOMEM);
399
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44 for (tileno = 0, tiley = 0; tiley < s->numYtiles; tiley++)
400
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80 for (tilex = 0; tilex < s->numXtiles; tilex++, tileno++){
401 52 Jpeg2000Tile *tile = s->tile + tileno;
402
403 52 tile->comp = av_calloc(s->ncomponents, sizeof(*tile->comp));
404
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52 if (!tile->comp)
405 return AVERROR(ENOMEM);
406
407 52 tile->layer_rates = av_calloc(s->nlayers, sizeof(*tile->layer_rates));
408
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52 if (!tile->layer_rates)
409 return AVERROR(ENOMEM);
410
411
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221 for (compno = 0; compno < s->ncomponents; compno++){
412 169 Jpeg2000Component *comp = tile->comp + compno;
413 int ret, i, j;
414
415 169 comp->coord[0][0] = comp->coord_o[0][0] = tilex * s->tile_width;
416 169 comp->coord[0][1] = comp->coord_o[0][1] = FFMIN((tilex+1)*s->tile_width, s->width);
417 169 comp->coord[1][0] = comp->coord_o[1][0] = tiley * s->tile_height;
418 169 comp->coord[1][1] = comp->coord_o[1][1] = FFMIN((tiley+1)*s->tile_height, s->height);
419
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169 if (compno + 1 & 2)
420
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312 for (i = 0; i < 2; i++)
421
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624 for (j = 0; j < 2; j++)
422 416 comp->coord[i][j] = comp->coord_o[i][j] = ff_jpeg2000_ceildivpow2(comp->coord[i][j], s->chroma_shift[i]);
423
424
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299 if ((ret = ff_jpeg2000_init_component(comp,
425 codsty,
426 qntsty,
427 169 s->cbps[compno],
428
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169 (compno+1&2)?1<<s->chroma_shift[0]:1,
429
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169 (compno+1&2)?1<<s->chroma_shift[1]:1,
430 s->avctx
431 )) < 0)
432 return ret;
433 }
434 }
435 16 compute_rates(s);
436 16 return 0;
437 }
438
439 #define COPY_FRAME(D, PIXEL) \
440 static void copy_frame_ ##D(Jpeg2000EncoderContext *s) \
441 { \
442 int tileno, compno, i, y, x; \
443 const PIXEL *line; \
444 for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ \
445 Jpeg2000Tile *tile = s->tile + tileno; \
446 if (s->planar){ \
447 for (compno = 0; compno < s->ncomponents; compno++){ \
448 int icompno = s->comp_remap[compno]; \
449 Jpeg2000Component *comp = tile->comp + compno; \
450 int *dst = comp->i_data; \
451 int cbps = s->cbps[compno]; \
452 line = (const PIXEL*)s->picture->data[icompno] \
453 + comp->coord[1][0] * (s->picture->linesize[icompno] / sizeof(PIXEL)) \
454 + comp->coord[0][0]; \
455 for (y = comp->coord[1][0]; y < comp->coord[1][1]; y++){ \
456 const PIXEL *ptr = line; \
457 for (x = comp->coord[0][0]; x < comp->coord[0][1]; x++) \
458 *dst++ = *ptr++ - (1 << (cbps - 1)); \
459 line += s->picture->linesize[icompno] / sizeof(PIXEL); \
460 } \
461 } \
462 } else{ \
463 line = (const PIXEL*)(s->picture->data[0] + tile->comp[0].coord[1][0] * s->picture->linesize[0]) \
464 + tile->comp[0].coord[0][0] * s->ncomponents; \
465 \
466 i = 0; \
467 for (y = tile->comp[0].coord[1][0]; y < tile->comp[0].coord[1][1]; y++){ \
468 const PIXEL *ptr = line; \
469 for (x = tile->comp[0].coord[0][0]; x < tile->comp[0].coord[0][1]; x++, i++){ \
470 for (compno = 0; compno < s->ncomponents; compno++){ \
471 int cbps = s->cbps[compno]; \
472 tile->comp[compno].i_data[i] = *ptr++ - (1 << (cbps - 1)); \
473 } \
474 } \
475 line += s->picture->linesize[0] / sizeof(PIXEL); \
476 } \
477 } \
478 } \
479 }
480
481
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122291500 COPY_FRAME(8, uint8_t)
482
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107472350 COPY_FRAME(16, uint16_t)
483
484 16 static void init_quantization(Jpeg2000EncoderContext *s)
485 {
486 int compno, reslevelno, bandno;
487 16 Jpeg2000QuantStyle *qntsty = &s->qntsty;
488 16 Jpeg2000CodingStyle *codsty = &s->codsty;
489
490
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68 for (compno = 0; compno < s->ncomponents; compno++){
491 52 int gbandno = 0;
492
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416 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){
493 364 int nbands, lev = codsty->nreslevels - reslevelno - 1;
494
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364 nbands = reslevelno ? 3 : 1;
495
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1352 for (bandno = 0; bandno < nbands; bandno++, gbandno++){
496 988 int expn, mant = 0;
497
498
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988 if (codsty->transform == FF_DWT97_INT){
499 228 int bandpos = bandno + (reslevelno>0),
500 228 ss = 81920000 / dwt_norms[0][bandpos][lev],
501 228 log = av_log2(ss);
502
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228 mant = (11 - log < 0 ? ss >> log - 11 : ss << 11 - log) & 0x7ff;
503 228 expn = s->cbps[compno] - log + 13;
504 } else
505 760 expn = ((bandno&2)>>1) + (reslevelno>0) + s->cbps[compno];
506
507 988 qntsty->expn[gbandno] = expn;
508 988 qntsty->mant[gbandno] = mant;
509 }
510 }
511 }
512 16 }
513
514 16 static av_cold void init_luts(void)
515 {
516 int i, a,
517 16 mask = ~((1<<NMSEDEC_FRACBITS)-1);
518
519
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2064 for (i = 0; i < (1 << NMSEDEC_BITS); i++){
520 2048 lut_nmsedec_sig[i] = FFMAX((3 * i << (13 - NMSEDEC_FRACBITS)) - (9 << 11), 0);
521 2048 lut_nmsedec_sig0[i] = FFMAX((i*i + (1<<NMSEDEC_FRACBITS-1) & mask) << 1, 0);
522
523 2048 a = (i >> (NMSEDEC_BITS-2)&2) + 1;
524 2048 lut_nmsedec_ref[i] = FFMAX((a - 2) * (i << (13 - NMSEDEC_FRACBITS)) +
525 (1 << 13) - (a * a << 11), 0);
526 2048 lut_nmsedec_ref0[i] = FFMAX(((i * i - (i << NMSEDEC_BITS) + (1 << 2 * NMSEDEC_FRACBITS) + (1 << (NMSEDEC_FRACBITS - 1))) & mask)
527 << 1, 0);
528 }
529 16 ff_jpeg2000_init_tier1_luts();
530 16 }
531
532 /* tier-1 routines */
533 164090682 static int getnmsedec_sig(int x, int bpno)
534 {
535
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164090682 if (bpno > NMSEDEC_FRACBITS)
536 146013952 return lut_nmsedec_sig[(x >> (bpno - NMSEDEC_FRACBITS)) & ((1 << NMSEDEC_BITS) - 1)];
537 18076730 return lut_nmsedec_sig0[x & ((1 << NMSEDEC_BITS) - 1)];
538 }
539
540 695017080 static int getnmsedec_ref(int x, int bpno)
541 {
542
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695017080 if (bpno > NMSEDEC_FRACBITS)
543 549003128 return lut_nmsedec_ref[(x >> (bpno - NMSEDEC_FRACBITS)) & ((1 << NMSEDEC_BITS) - 1)];
544 146013952 return lut_nmsedec_ref0[x & ((1 << NMSEDEC_BITS) - 1)];
545 }
546
547 6655953 static void encode_sigpass(Jpeg2000T1Context *t1, int width, int height, int bandno, int *nmsedec, int bpno)
548 {
549 6655953 int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS);
550
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30482774 for (y0 = 0; y0 < height; y0 += 4)
551
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385288928 for (x = 0; x < width; x++)
552
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1801524562 for (y = y0; y < height && y < y0+4; y++){
553
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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)){
554 379612927 int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno),
555 379612927 bit = t1->data[(y) * t1->stride + x] & mask ? 1 : 0;
556 379612927 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, bit);
557
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379612927 if (bit){
558 int xorbit;
559 134620397 int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit);
560 134620397 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit);
561 134620397 *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS);
562 134620397 ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15);
563 }
564 379612927 t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_VIS;
565 }
566 }
567 6655953 }
568
569 6655953 static void encode_refpass(Jpeg2000T1Context *t1, int width, int height, int *nmsedec, int bpno)
570 {
571 6655953 int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS);
572
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30482774 for (y0 = 0; y0 < height; y0 += 4)
573
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385288928 for (x = 0; x < width; x++)
574
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1801524562 for (y = y0; y < height && y < y0+4; y++)
575
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1440062455 if ((t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS)) == JPEG2000_T1_SIG){
576 695017080 int ctxno = ff_jpeg2000_getrefctxno(t1->flags[(y+1) * t1->stride + x+1]);
577 695017080 *nmsedec += getnmsedec_ref(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS);
578 695017080 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0);
579 695017080 t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_REF;
580 }
581 6655953 }
582
583 7483372 static void encode_clnpass(Jpeg2000T1Context *t1, int width, int height, int bandno, int *nmsedec, int bpno)
584 {
585 7483372 int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS);
586
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34316812 for (y0 = 0; y0 < height; y0 += 4)
587
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434242366 for (x = 0; x < width; x++){
588
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407408926 if (y0 + 3 < height && !(
589
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404831834 (t1->flags[(y0+1) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) ||
590
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116790876 (t1->flags[(y0+2) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) ||
591
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105766238 (t1->flags[(y0+3) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) ||
592
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96646236 (t1->flags[(y0+4) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG))))
593 7209020 {
594 // aggregation mode
595 int rlen;
596
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442747432 for (rlen = 0; rlen < 4; rlen++)
597
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357893781 if (t1->data[(y0+rlen) * t1->stride + x] & mask)
598 7209020 break;
599 92062671 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_RL, rlen != 4);
600
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92062671 if (rlen == 4)
601 84853651 continue;
602 7209020 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_UNI, rlen >> 1);
603 7209020 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_UNI, rlen & 1);
604
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24774943 for (y = y0 + rlen; y < y0 + 4; y++){
605
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17565923 if (!(t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))){
606 17565923 int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno);
607
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17565923 if (y > y0 + rlen)
608 10356903 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0);
609
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17565923 if (t1->data[(y) * t1->stride + x] & mask){ // newly significant
610 int xorbit;
611 8653162 int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit);
612 8653162 *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS);
613 8653162 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit);
614 8653162 ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15);
615 }
616 }
617 17565923 t1->flags[(y+1) * t1->stride + x+1] &= ~JPEG2000_T1_VIS;
618 }
619 } else{
620
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1570332944 for (y = y0; y < y0 + 4 && y < height; y++){
621
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1254986689 if (!(t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))){
622 180356682 int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno);
623 180356682 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0);
624
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180356682 if (t1->data[(y) * t1->stride + x] & mask){ // newly significant
625 int xorbit;
626 20817123 int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit);
627 20817123 *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS);
628 20817123 ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit);
629 20817123 ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15);
630 }
631 }
632 1254986689 t1->flags[(y+1) * t1->stride + x+1] &= ~JPEG2000_T1_VIS;
633 }
634 }
635 }
636 7483372 }
637
638 895700 static void encode_cblk(Jpeg2000EncoderContext *s, Jpeg2000T1Context *t1, Jpeg2000Cblk *cblk, Jpeg2000Tile *tile,
639 int width, int height, int bandpos, int lev)
640 {
641 895700 int pass_t = 2, passno, x, y, max=0, nmsedec, bpno;
642 895700 int64_t wmsedec = 0;
643
644 895700 memset(t1->flags, 0, t1->stride * (height + 2) * sizeof(*t1->flags));
645
646
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13807950 for (y = 0; y < height; y++){
647
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211346850 for (x = 0; x < width; x++){
648
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198434600 if (t1->data[(y) * t1->stride + x] < 0){
649 81359665 t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_SGN;
650 81359665 t1->data[(y) * t1->stride + x] = -t1->data[(y) * t1->stride + x];
651 }
652 198434600 max = FFMAX(max, t1->data[(y) * t1->stride + x]);
653 }
654 }
655
656
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895700 if (max == 0){
657 68280 cblk->nonzerobits = 0;
658 } else{
659 827420 cblk->nonzerobits = av_log2(max) + 1 - NMSEDEC_FRACBITS;
660 }
661 895700 bpno = cblk->nonzerobits - 1;
662
663 895700 cblk->data[0] = 0;
664 895700 ff_mqc_initenc(&t1->mqc, cblk->data + 1);
665
666
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21690978 for (passno = 0; bpno >= 0; passno++){
667 20795278 nmsedec=0;
668
669
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20795278 switch(pass_t){
670 6655953 case 0: encode_sigpass(t1, width, height, bandpos, &nmsedec, bpno);
671 6655953 break;
672 6655953 case 1: encode_refpass(t1, width, height, &nmsedec, bpno);
673 6655953 break;
674 7483372 case 2: encode_clnpass(t1, width, height, bandpos, &nmsedec, bpno);
675 7483372 break;
676 }
677
678 20795278 cblk->passes[passno].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno].flushed, &cblk->passes[passno].flushed_len);
679 20795278 cblk->passes[passno].rate -= cblk->passes[passno].flushed_len;
680
681 20795278 wmsedec += (int64_t)nmsedec << (2*bpno);
682 20795278 cblk->passes[passno].disto = wmsedec;
683
684
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20795278 if (++pass_t == 3){
685 7483372 pass_t = 0;
686 7483372 bpno--;
687 }
688 }
689 895700 cblk->npasses = passno;
690 895700 cblk->ninclpasses = passno;
691
692
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895700 if (passno) {
693 827419 cblk->passes[passno-1].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno-1].flushed, &cblk->passes[passno-1].flushed_len);
694 827419 cblk->passes[passno-1].rate -= cblk->passes[passno-1].flushed_len;
695 }
696 895700 }
697
698 /* tier-2 routines: */
699
700 794793 static void putnumpasses(Jpeg2000EncoderContext *s, int n)
701 {
702
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794793 if (n == 1)
703 40682 put_num(s, 0, 1);
704
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754111 else if (n == 2)
705 14650 put_num(s, 2, 2);
706
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739461 else if (n <= 5)
707 109246 put_num(s, 0xc | (n-3), 4);
708
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630215 else if (n <= 36)
709 587281 put_num(s, 0x1e0 | (n-6), 9);
710 else
711 42934 put_num(s, 0xff80 | (n-37), 16);
712 794793 }
713
714
715 59150 static int encode_packet(Jpeg2000EncoderContext *s, Jpeg2000ResLevel *rlevel, int layno,
716 int precno, const uint8_t *expn, int numgbits, int packetno,
717 int nlayers)
718 {
719 59150 int bandno, empty = 1;
720 int i;
721 // init bitstream
722 59150 *s->buf = 0;
723 59150 s->bit_index = 0;
724
725
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59150 if (s->sop) {
726 bytestream_put_be16(&s->buf, JPEG2000_SOP);
727 bytestream_put_be16(&s->buf, 4);
728 bytestream_put_be16(&s->buf, packetno);
729 }
730 // header
731
732
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59150 if (!layno) {
733
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219700 for (bandno = 0; bandno < rlevel->nbands; bandno++) {
734 160550 Jpeg2000Band *band = rlevel->band + bandno;
735
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160550 if (band->coord[0][0] < band->coord[0][1]
736
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160550 && band->coord[1][0] < band->coord[1][1]) {
737 152750 Jpeg2000Prec *prec = band->prec + precno;
738 152750 int nb_cblks = prec->nb_codeblocks_height * prec->nb_codeblocks_width;
739 int pos;
740 152750 ff_tag_tree_zero(prec->zerobits, prec->nb_codeblocks_width, prec->nb_codeblocks_height, 99);
741 152750 ff_tag_tree_zero(prec->cblkincl, prec->nb_codeblocks_width, prec->nb_codeblocks_height, 99);
742
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1048450 for (pos = 0; pos < nb_cblks; pos++) {
743 895700 Jpeg2000Cblk *cblk = &prec->cblk[pos];
744 895700 prec->zerobits[pos].val = expn[bandno] + numgbits - 1 - cblk->nonzerobits;
745 895700 cblk->incl = 0;
746 895700 cblk->lblock = 3;
747 895700 tag_tree_update(prec->zerobits + pos);
748
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996607 for (i = 0; i < nlayers; i++) {
749
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895700 if (cblk->layers[i].npasses > 0) {
750 794793 prec->cblkincl[pos].val = i;
751 794793 break;
752 }
753 }
754
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895700 if (i == nlayers)
755 100907 prec->cblkincl[pos].val = i;
756 895700 tag_tree_update(prec->cblkincl + pos);
757 }
758 }
759 }
760 }
761
762 // is the packet empty?
763
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70883 for (bandno = 0; bandno < rlevel->nbands; bandno++){
764 66972 Jpeg2000Band *band = rlevel->band + bandno;
765
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66972 if (band->coord[0][0] < band->coord[0][1]
766
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66972 && band->coord[1][0] < band->coord[1][1]) {
767 66362 Jpeg2000Prec *prec = band->prec + precno;
768 66362 int nb_cblks = prec->nb_codeblocks_height * prec->nb_codeblocks_width;
769 int pos;
770
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134873 for (pos = 0; pos < nb_cblks; pos++) {
771 123750 Jpeg2000Cblk *cblk = &prec->cblk[pos];
772
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123750 if (cblk->layers[layno].npasses) {
773 55239 empty = 0;
774 55239 break;
775 }
776 }
777
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66362 if (!empty)
778 55239 break;
779 }
780 }
781
782 59150 put_bits(s, !empty, 1);
783
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59150 if (empty){
784 3911 j2k_flush(s);
785
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3911 if (s->eph)
786 bytestream_put_be16(&s->buf, JPEG2000_EPH);
787 3911 return 0;
788 }
789
790
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204068 for (bandno = 0; bandno < rlevel->nbands; bandno++) {
791 148829 Jpeg2000Band *band = rlevel->band + bandno;
792 148829 Jpeg2000Prec *prec = band->prec + precno;
793 int yi, xi, pos;
794 148829 int cblknw = prec->nb_codeblocks_width;
795
796
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148829 if (band->coord[0][0] == band->coord[0][1]
797
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148829 || band->coord[1][0] == band->coord[1][1])
798 7190 continue;
799
800
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403878 for (pos=0, yi = 0; yi < prec->nb_codeblocks_height; yi++) {
801
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1089678 for (xi = 0; xi < cblknw; xi++, pos++){
802 827439 int llen = 0, length;
803 827439 Jpeg2000Cblk *cblk = prec->cblk + yi * cblknw + xi;
804
805
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827439 if (s->buf_end - s->buf < 20) // approximately
806 return -1;
807
808 // inclusion information
809
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827439 if (!cblk->incl)
810 827439 tag_tree_code(s, prec->cblkincl + pos, layno + 1);
811 else {
812 put_bits(s, cblk->layers[layno].npasses > 0, 1);
813 }
814
815
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827439 if (!cblk->layers[layno].npasses)
816 32646 continue;
817
818 // zerobits information
819
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794793 if (!cblk->incl) {
820 794793 tag_tree_code(s, prec->zerobits + pos, 100);
821 794793 cblk->incl = 1;
822 }
823
824 // number of passes
825 794793 putnumpasses(s, cblk->layers[layno].npasses);
826
827 794793 length = cblk->layers[layno].data_len;
828
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794793 if (layno == nlayers - 1 && cblk->layers[layno].cum_passes){
829 794793 length += cblk->passes[cblk->layers[layno].cum_passes-1].flushed_len;
830 }
831
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794793 if (cblk->lblock + av_log2(cblk->layers[layno].npasses) < av_log2(length) + 1) {
832 393015 llen = av_log2(length) + 1 - cblk->lblock - av_log2(cblk->layers[layno].npasses);
833 }
834
835 // length of code block
836 794793 cblk->lblock += llen;
837 794793 put_bits(s, 1, llen);
838 794793 put_bits(s, 0, 1);
839 794793 put_num(s, length, cblk->lblock + av_log2(cblk->layers[layno].npasses));
840 }
841 }
842 }
843 55239 j2k_flush(s);
844
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55239 if (s->eph) {
845 bytestream_put_be16(&s->buf, JPEG2000_EPH);
846 }
847
848
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204068 for (bandno = 0; bandno < rlevel->nbands; bandno++) {
849 148829 Jpeg2000Band *band = rlevel->band + bandno;
850 148829 Jpeg2000Prec *prec = band->prec + precno;
851 148829 int yi, cblknw = prec->nb_codeblocks_width;
852
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418258 for (yi =0; yi < prec->nb_codeblocks_height; yi++) {
853 int xi;
854
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1104058 for (xi = 0; xi < cblknw; xi++){
855 834629 Jpeg2000Cblk *cblk = prec->cblk + yi * cblknw + xi;
856
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834629 if (cblk->layers[layno].npasses) {
857
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794793 if (s->buf_end - s->buf < cblk->layers[layno].data_len + 2)
858 return -1;
859 794793 bytestream_put_buffer(&s->buf, cblk->layers[layno].data_start + 1, cblk->layers[layno].data_len);
860
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794793 if (layno == nlayers - 1 && cblk->layers[layno].cum_passes) {
861 794793 bytestream_put_buffer(&s->buf, cblk->passes[cblk->layers[layno].cum_passes-1].flushed,
862 794793 cblk->passes[cblk->layers[layno].cum_passes-1].flushed_len);
863 }
864 }
865 }
866 }
867 }
868 55239 return 0;
869 }
870
871 2600 static int encode_packets(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno, int nlayers)
872 {
873 int compno, reslevelno, layno, ret;
874 2600 Jpeg2000CodingStyle *codsty = &s->codsty;
875 2600 Jpeg2000QuantStyle *qntsty = &s->qntsty;
876 2600 int packetno = 0;
877 int step_x, step_y;
878 int x, y;
879 int tile_coord[2][2];
880 2600 int col = tileno % s->numXtiles;
881 2600 int row = tileno / s->numXtiles;
882
883 2600 tile_coord[0][0] = col * s->tile_width;
884 2600 tile_coord[0][1] = FFMIN(tile_coord[0][0] + s->tile_width, s->width);
885 2600 tile_coord[1][0] = row * s->tile_height;
886 2600 tile_coord[1][1] = FFMIN(tile_coord[1][0] + s->tile_height, s->height);
887
888 2600 av_log(s->avctx, AV_LOG_DEBUG, "tier2\n");
889 // lay-rlevel-comp-pos progression
890
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2600 switch (s->prog) {
891 2600 case JPEG2000_PGOD_LRCP:
892
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5200 for (layno = 0; layno < nlayers; layno++) {
893
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20800 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){
894
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77350 for (compno = 0; compno < s->ncomponents; compno++){
895 int precno;
896 59150 Jpeg2000ResLevel *reslevel = s->tile[tileno].comp[compno].reslevel + reslevelno;
897
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118300 for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
898
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59150 if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0),
899
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59150 qntsty->nguardbits, packetno++, nlayers)) < 0)
900 return ret;
901 }
902 }
903 }
904 }
905 2600 break;
906 case JPEG2000_PGOD_RLCP:
907 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){
908 for (layno = 0; layno < nlayers; layno++) {
909 for (compno = 0; compno < s->ncomponents; compno++){
910 int precno;
911 Jpeg2000ResLevel *reslevel = s->tile[tileno].comp[compno].reslevel + reslevelno;
912 for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
913 if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0),
914 qntsty->nguardbits, packetno++, nlayers)) < 0)
915 return ret;
916 }
917 }
918 }
919 }
920 break;
921 case JPEG2000_PGOD_RPCL:
922 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) {
923 int precno;
924 step_x = 30;
925 step_y = 30;
926 for (compno = 0; compno < s->ncomponents; compno++) {
927 Jpeg2000Component *comp = tile->comp + compno;
928 if (reslevelno < codsty->nreslevels) {
929 uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
930 Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno;
931 step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno);
932 step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno);
933 }
934 }
935
936 step_x = 1<<step_x;
937 step_y = 1<<step_y;
938 for (y = tile_coord[1][0]; y < tile_coord[1][1]; y = (y/step_y + 1)*step_y) {
939 for (x = tile_coord[0][0]; x < tile_coord[0][1]; x = (x/step_x + 1)*step_x) {
940 for (compno = 0; compno < s->ncomponents; compno++) {
941 Jpeg2000Component *comp = tile->comp + compno;
942 uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
943 Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
944 int log_subsampling[2] = { (compno+1&2)?s->chroma_shift[0]:0, (compno+1&2)?s->chroma_shift[1]:0};
945 unsigned prcx, prcy;
946 int trx0, try0;
947
948 trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno);
949 try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno);
950
951 if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 ||
952 (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height)))))
953 continue;
954
955 if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 ||
956 (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width)))))
957 continue;
958
959 // check if a precinct exists
960 prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width;
961 prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height;
962 prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width;
963 prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height;
964 precno = prcx + reslevel->num_precincts_x * prcy;
965
966 if (prcx >= reslevel->num_precincts_x || prcy >= reslevel->num_precincts_y) {
967 av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n",
968 prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y);
969 continue;
970 }
971 for (layno = 0; layno < nlayers; layno++) {
972 if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0),
973 qntsty->nguardbits, packetno++, nlayers)) < 0)
974 return ret;
975 }
976 }
977 }
978 }
979 }
980 break;
981 case JPEG2000_PGOD_PCRL:
982 step_x = 32;
983 step_y = 32;
984 for (compno = 0; compno < s->ncomponents; compno++) {
985 Jpeg2000Component *comp = tile->comp + compno;
986
987 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) {
988 uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
989 Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno;
990 step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno);
991 step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno);
992 }
993 }
994 if (step_x >= 31 || step_y >= 31){
995 avpriv_request_sample(s->avctx, "PCRL with large step");
996 return AVERROR_PATCHWELCOME;
997 }
998 step_x = 1<<step_x;
999 step_y = 1<<step_y;
1000
1001 for (y = tile_coord[1][0]; y < tile_coord[1][1]; y = (y/step_y + 1)*step_y) {
1002 for (x = tile_coord[0][0]; x < tile_coord[0][1]; x = (x/step_x + 1)*step_x) {
1003 for (compno = 0; compno < s->ncomponents; compno++) {
1004 Jpeg2000Component *comp = tile->comp + compno;
1005 int log_subsampling[2] = { (compno+1&2)?s->chroma_shift[0]:0, (compno+1&2)?s->chroma_shift[1]:0};
1006
1007 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) {
1008 unsigned prcx, prcy;
1009 int precno;
1010 uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
1011 Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
1012 int trx0, try0;
1013
1014 trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno);
1015 try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno);
1016
1017 if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 ||
1018 (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height)))))
1019 continue;
1020
1021 if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 ||
1022 (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width)))))
1023 continue;
1024
1025 // check if a precinct exists
1026 prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width;
1027 prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height;
1028 prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width;
1029 prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height;
1030
1031 precno = prcx + reslevel->num_precincts_x * prcy;
1032
1033 if (prcx >= reslevel->num_precincts_x || prcy >= reslevel->num_precincts_y) {
1034 av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n",
1035 prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y);
1036 continue;
1037 }
1038 for (layno = 0; layno < nlayers; layno++) {
1039 if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0),
1040 qntsty->nguardbits, packetno++, nlayers)) < 0)
1041 return ret;
1042 }
1043 }
1044 }
1045 }
1046 }
1047 break;
1048 case JPEG2000_PGOD_CPRL:
1049 for (compno = 0; compno < s->ncomponents; compno++) {
1050 Jpeg2000Component *comp = tile->comp + compno;
1051 int log_subsampling[2] = { (compno+1&2)?s->chroma_shift[0]:0, (compno+1&2)?s->chroma_shift[1]:0};
1052 step_x = 32;
1053 step_y = 32;
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 if (step_x >= 31 || step_y >= 31){
1062 avpriv_request_sample(s->avctx, "CPRL with large step");
1063 return AVERROR_PATCHWELCOME;
1064 }
1065 step_x = 1<<step_x;
1066 step_y = 1<<step_y;
1067
1068 for (y = tile_coord[1][0]; y < tile_coord[1][1]; y = (y/step_y + 1)*step_y) {
1069 for (x = tile_coord[0][0]; x < tile_coord[0][1]; x = (x/step_x + 1)*step_x) {
1070 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) {
1071 unsigned prcx, prcy;
1072 int precno;
1073 int trx0, try0;
1074 uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
1075 Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
1076
1077 trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno);
1078 try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno);
1079
1080 if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 ||
1081 (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height)))))
1082 continue;
1083
1084 if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 ||
1085 (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width)))))
1086 continue;
1087
1088 // check if a precinct exists
1089 prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width;
1090 prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height;
1091 prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width;
1092 prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height;
1093
1094 precno = prcx + reslevel->num_precincts_x * prcy;
1095
1096 if (prcx >= reslevel->num_precincts_x || prcy >= reslevel->num_precincts_y) {
1097 av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n",
1098 prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y);
1099 continue;
1100 }
1101 for (layno = 0; layno < nlayers; layno++) {
1102 if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0),
1103 qntsty->nguardbits, packetno++, nlayers)) < 0)
1104 return ret;
1105 }
1106 }
1107 }
1108 }
1109 }
1110
1111 }
1112
1113 2600 av_log(s->avctx, AV_LOG_DEBUG, "after tier2\n");
1114 2600 return 0;
1115 }
1116
1117 static void makelayer(Jpeg2000EncoderContext *s, int layno, double thresh, Jpeg2000Tile* tile, int final)
1118 {
1119 int compno, resno, bandno, precno, cblkno;
1120 int passno;
1121
1122 for (compno = 0; compno < s->ncomponents; compno++) {
1123 Jpeg2000Component *comp = &tile->comp[compno];
1124
1125 for (resno = 0; resno < s->codsty.nreslevels; resno++) {
1126 Jpeg2000ResLevel *reslevel = comp->reslevel + resno;
1127
1128 for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
1129 for (bandno = 0; bandno < reslevel->nbands ; bandno++){
1130 Jpeg2000Band *band = reslevel->band + bandno;
1131 Jpeg2000Prec *prec = band->prec + precno;
1132
1133 for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){
1134 Jpeg2000Cblk *cblk = prec->cblk + cblkno;
1135 Jpeg2000Layer *layer = &cblk->layers[layno];
1136 int n;
1137
1138 if (layno == 0) {
1139 cblk->ninclpasses = 0;
1140 }
1141
1142 n = cblk->ninclpasses;
1143
1144 if (thresh < 0) {
1145 n = cblk->npasses;
1146 } else {
1147 for (passno = cblk->ninclpasses; passno < cblk->npasses; passno++) {
1148 int32_t dr;
1149 double dd;
1150 Jpeg2000Pass *pass = &cblk->passes[passno];
1151
1152 if (n == 0) {
1153 dr = pass->rate;
1154 dd = pass->disto;
1155 } else {
1156 dr = pass->rate - cblk->passes[n - 1].rate;
1157 dd = pass->disto - cblk->passes[n-1].disto;
1158 }
1159
1160 if (!dr) {
1161 if (dd != 0.0) {
1162 n = passno + 1;
1163 }
1164 continue;
1165 }
1166
1167 if (thresh - (dd / dr) < DBL_EPSILON)
1168 n = passno + 1;
1169 }
1170 }
1171 layer->npasses = n - cblk->ninclpasses;
1172 layer->cum_passes = n;
1173
1174 if (layer->npasses == 0) {
1175 layer->disto = 0;
1176 layer->data_len = 0;
1177 continue;
1178 }
1179
1180 if (cblk->ninclpasses == 0) {
1181 layer->data_len = cblk->passes[n - 1].rate;
1182 layer->data_start = cblk->data;
1183 layer->disto = cblk->passes[n - 1].disto;
1184 } else {
1185 layer->data_len = cblk->passes[n - 1].rate - cblk->passes[cblk->ninclpasses - 1].rate;
1186 layer->data_start = cblk->data + cblk->passes[cblk->ninclpasses - 1].rate;
1187 layer->disto = cblk->passes[n - 1].disto -
1188 cblk->passes[cblk->ninclpasses - 1].disto;
1189 }
1190 if (final) {
1191 cblk->ninclpasses = n;
1192 }
1193 }
1194 }
1195 }
1196 }
1197 }
1198 }
1199
1200 static void makelayers(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile)
1201 {
1202 int precno, compno, reslevelno, bandno, cblkno, passno, layno;
1203 int i;
1204 double min = DBL_MAX;
1205 double max = 0;
1206 double thresh;
1207
1208 Jpeg2000CodingStyle *codsty = &s->codsty;
1209
1210 for (compno = 0; compno < s->ncomponents; compno++){
1211 Jpeg2000Component *comp = tile->comp + compno;
1212
1213 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){
1214 Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
1215
1216 for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
1217 for (bandno = 0; bandno < reslevel->nbands ; bandno++){
1218 Jpeg2000Band *band = reslevel->band + bandno;
1219 Jpeg2000Prec *prec = band->prec + precno;
1220
1221 for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){
1222 Jpeg2000Cblk *cblk = prec->cblk + cblkno;
1223 for (passno = 0; passno < cblk->npasses; passno++) {
1224 Jpeg2000Pass *pass = &cblk->passes[passno];
1225 int dr;
1226 double dd, drslope;
1227
1228 if (passno == 0) {
1229 dr = (int32_t)pass->rate;
1230 dd = pass->disto;
1231 } else {
1232 dr = (int32_t)(pass->rate - cblk->passes[passno - 1].rate);
1233 dd = pass->disto - cblk->passes[passno - 1].disto;
1234 }
1235
1236 if (dr <= 0)
1237 continue;
1238
1239 drslope = dd / dr;
1240 if (drslope < min)
1241 min = drslope;
1242
1243 if (drslope > max)
1244 max = drslope;
1245 }
1246 }
1247 }
1248 }
1249 }
1250 }
1251
1252 for (layno = 0; layno < s->nlayers; layno++) {
1253 double lo = min;
1254 double hi = max;
1255 double stable_thresh = 0.0;
1256 double good_thresh = 0.0;
1257 if (!s->layer_rates[layno]) {
1258 good_thresh = -1.0;
1259 } else {
1260 for (i = 0; i < 128; i++) {
1261 uint8_t *stream_pos = s->buf;
1262 int ret;
1263 thresh = (lo + hi) / 2;
1264 makelayer(s, layno, thresh, tile, 0);
1265 ret = encode_packets(s, tile, (int)(tile - s->tile), layno + 1);
1266 memset(stream_pos, 0, s->buf - stream_pos);
1267 if ((s->buf - stream_pos > ceil(tile->layer_rates[layno])) || ret < 0) {
1268 lo = thresh;
1269 s->buf = stream_pos;
1270 continue;
1271 }
1272 hi = thresh;
1273 stable_thresh = thresh;
1274 s->buf = stream_pos;
1275 }
1276 }
1277 if (good_thresh >= 0.0)
1278 good_thresh = stable_thresh == 0.0 ? thresh : stable_thresh;
1279 makelayer(s, layno, good_thresh, tile, 1);
1280 }
1281 }
1282
1283 903500 static int getcut(Jpeg2000Cblk *cblk, uint64_t lambda)
1284 {
1285 903500 int passno, res = 0;
1286
2/2
✓ Branch 0 taken 20795278 times.
✓ Branch 1 taken 903500 times.
21698778 for (passno = 0; passno < cblk->npasses; passno++){
1287 int dr;
1288 int64_t dd;
1289
1290 41590556 dr = cblk->passes[passno].rate
1291
2/2
✓ Branch 0 taken 19660609 times.
✓ Branch 1 taken 1134669 times.
20795278 - (res ? cblk->passes[res-1].rate : 0);
1292 41590556 dd = cblk->passes[passno].disto
1293
2/2
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20795278 - (res ? cblk->passes[res-1].disto : 0);
1294
1295
2/2
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✓ Branch 1 taken 9490460 times.
20795278 if (dd >= dr * lambda)
1296 11304818 res = passno+1;
1297 }
1298 903500 return res;
1299 }
1300
1301 2600 static void truncpasses(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile)
1302 {
1303 int precno, compno, reslevelno, bandno, cblkno, lev;
1304 2600 Jpeg2000CodingStyle *codsty = &s->codsty;
1305
1306
2/2
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11050 for (compno = 0; compno < s->ncomponents; compno++){
1307 8450 Jpeg2000Component *comp = tile->comp + compno;
1308
1309
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67600 for (reslevelno = 0, lev = codsty->nreslevels-1; reslevelno < codsty->nreslevels; reslevelno++, lev--){
1310 59150 Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
1311
1312
2/2
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118300 for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){
1313
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219700 for (bandno = 0; bandno < reslevel->nbands ; bandno++){
1314 160550 int bandpos = bandno + (reslevelno > 0);
1315 160550 Jpeg2000Band *band = reslevel->band + bandno;
1316 160550 Jpeg2000Prec *prec = band->prec + precno;
1317
1318 160550 int64_t dwt_norm = dwt_norms[codsty->transform == FF_DWT53][bandpos][lev] * (int64_t)band->i_stepsize >> 15;
1319 160550 int64_t lambda_prime = av_rescale(s->lambda, 1 << WMSEDEC_SHIFT, dwt_norm * dwt_norm);
1320
2/2
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✓ Branch 1 taken 160550 times.
1064050 for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){
1321 903500 Jpeg2000Cblk *cblk = prec->cblk + cblkno;
1322
1323 903500 cblk->ninclpasses = getcut(cblk, lambda_prime);
1324 903500 cblk->layers[0].data_start = cblk->data;
1325 903500 cblk->layers[0].cum_passes = cblk->ninclpasses;
1326 903500 cblk->layers[0].npasses = cblk->ninclpasses;
1327
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903500 if (cblk->ninclpasses)
1328 794793 cblk->layers[0].data_len = cblk->passes[cblk->ninclpasses - 1].rate;
1329 }
1330 }
1331 }
1332 }
1333 }
1334 2600 }
1335
1336 2600 static int encode_tile(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno)
1337 {
1338 int compno, reslevelno, bandno, ret;
1339 Jpeg2000T1Context t1;
1340 2600 Jpeg2000CodingStyle *codsty = &s->codsty;
1341
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11050 for (compno = 0; compno < s->ncomponents; compno++){
1342 8450 Jpeg2000Component *comp = s->tile[tileno].comp + compno;
1343
1344 8450 t1.stride = (1<<codsty->log2_cblk_width) + 2;
1345
1346 8450 av_log(s->avctx, AV_LOG_DEBUG,"dwt\n");
1347
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✓ Branch 2 taken 8450 times.
8450 if ((ret = ff_dwt_encode(&comp->dwt, comp->i_data)) < 0)
1348 return ret;
1349 8450 av_log(s->avctx, AV_LOG_DEBUG,"after dwt -> tier1\n");
1350
1351
2/2
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✓ Branch 1 taken 8450 times.
67600 for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){
1352 59150 Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno;
1353
1354
2/2
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219700 for (bandno = 0; bandno < reslevel->nbands ; bandno++){
1355 160550 Jpeg2000Band *band = reslevel->band + bandno;
1356 160550 Jpeg2000Prec *prec = band->prec; // we support only 1 precinct per band ATM in the encoder
1357 160550 int cblkx, cblky, cblkno=0, xx0, x0, xx1, y0, yy0, yy1, bandpos;
1358
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✓ Branch 1 taken 59150 times.
160550 yy0 = bandno == 0 ? 0 : comp->reslevel[reslevelno-1].coord[1][1] - comp->reslevel[reslevelno-1].coord[1][0];
1359 160550 y0 = yy0;
1360
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,
1361 160550 band->coord[1][1]) - band->coord[1][0] + yy0;
1362
1363
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])
1364 7800 continue;
1365
1366 152750 bandpos = bandno + (reslevelno > 0);
1367
1368
2/2
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✓ Branch 1 taken 152750 times.
436150 for (cblky = 0; cblky < prec->nb_codeblocks_height; cblky++){
1369
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)
1370 98800 xx0 = 0;
1371 else
1372 184600 xx0 = comp->reslevel[reslevelno-1].coord[0][1] - comp->reslevel[reslevelno-1].coord[0][0];
1373 283400 x0 = xx0;
1374
2/2
✓ Branch 1 taken 86450 times.
✓ Branch 2 taken 196950 times.
283400 xx1 = FFMIN(ff_jpeg2000_ceildivpow2(band->coord[0][0] + 1, band->log2_cblk_width) << band->log2_cblk_width,
1375 283400 band->coord[0][1]) - band->coord[0][0] + xx0;
1376
1377
2/2
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✓ Branch 1 taken 283400 times.
1179100 for (cblkx = 0; cblkx < prec->nb_codeblocks_width; cblkx++, cblkno++){
1378 int y, x;
1379
2/2
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✓ Branch 1 taken 206700 times.
895700 if (codsty->transform == FF_DWT53){
1380
2/2
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✓ Branch 1 taken 689000 times.
10621500 for (y = yy0; y < yy1; y++){
1381 9932500 int *ptr = t1.data + (y-yy0)*t1.stride;
1382
2/2
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✓ Branch 1 taken 9932500 times.
162574500 for (x = xx0; x < xx1; x++){
1383 152642000 *ptr++ = comp->i_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x] * (1 << NMSEDEC_FRACBITS);
1384 }
1385 }
1386 } else{
1387
2/2
✓ Branch 0 taken 2979750 times.
✓ Branch 1 taken 206700 times.
3186450 for (y = yy0; y < yy1; y++){
1388 2979750 int *ptr = t1.data + (y-yy0)*t1.stride;
1389
2/2
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48772350 for (x = xx0; x < xx1; x++){
1390 45792600 *ptr = (comp->i_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x]);
1391 45792600 *ptr = (int64_t)*ptr * (int64_t)(16384 * 65536 / band->i_stepsize) >> 15 - NMSEDEC_FRACBITS;
1392 45792600 ptr++;
1393 }
1394 }
1395 }
1396
2/2
✓ Branch 0 taken 17914 times.
✓ Branch 1 taken 877786 times.
895700 if (!prec->cblk[cblkno].data)
1397 17914 prec->cblk[cblkno].data = av_malloc(1 + 8192);
1398
2/2
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✓ Branch 1 taken 877786 times.
895700 if (!prec->cblk[cblkno].passes)
1399 17914 prec->cblk[cblkno].passes = av_malloc_array(JPEG2000_MAX_PASSES, sizeof (*prec->cblk[cblkno].passes));
1400
2/4
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✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 895700 times.
895700 if (!prec->cblk[cblkno].data || !prec->cblk[cblkno].passes)
1401 return AVERROR(ENOMEM);
1402 895700 encode_cblk(s, &t1, prec->cblk + cblkno, tile, xx1 - xx0, yy1 - yy0,
1403 895700 bandpos, codsty->nreslevels - reslevelno - 1);
1404 895700 xx0 = xx1;
1405 895700 xx1 = FFMIN(xx1 + (1 << band->log2_cblk_width), band->coord[0][1] - band->coord[0][0] + x0);
1406 }
1407 283400 yy0 = yy1;
1408 283400 yy1 = FFMIN(yy1 + (1 << band->log2_cblk_height), band->coord[1][1] - band->coord[1][0] + y0);
1409 }
1410 }
1411 }
1412 8450 av_log(s->avctx, AV_LOG_DEBUG, "after tier1\n");
1413 }
1414
1415 2600 av_log(s->avctx, AV_LOG_DEBUG, "rate control\n");
1416
1/2
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✓ Branch 1 taken 2600 times.
2600 if (s->compression_rate_enc)
1417 makelayers(s, tile);
1418 else
1419 2600 truncpasses(s, tile);
1420
1421
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 2600 times.
2600 if ((ret = encode_packets(s, tile, tileno, s->nlayers)) < 0)
1422 return ret;
1423 2600 av_log(s->avctx, AV_LOG_DEBUG, "after rate control\n");
1424 2600 return 0;
1425 }
1426
1427 16 static void cleanup(Jpeg2000EncoderContext *s)
1428 {
1429 int tileno, compno;
1430 16 Jpeg2000CodingStyle *codsty = &s->codsty;
1431
1432
1/2
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✓ Branch 1 taken 16 times.
16 if (!s->tile)
1433 return;
1434
2/2
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✓ Branch 1 taken 16 times.
68 for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){
1435
1/2
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✗ Branch 1 not taken.
52 if (s->tile[tileno].comp) {
1436
2/2
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✓ Branch 1 taken 52 times.
221 for (compno = 0; compno < s->ncomponents; compno++){
1437 169 Jpeg2000Component *comp = s->tile[tileno].comp + compno;
1438 169 ff_jpeg2000_cleanup(comp, codsty);
1439 }
1440 52 av_freep(&s->tile[tileno].comp);
1441 }
1442 52 av_freep(&s->tile[tileno].layer_rates);
1443 }
1444 16 av_freep(&s->tile);
1445 }
1446
1447 800 static void reinit(Jpeg2000EncoderContext *s)
1448 {
1449 int tileno, compno;
1450
2/2
✓ Branch 0 taken 2600 times.
✓ Branch 1 taken 800 times.
3400 for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){
1451 2600 Jpeg2000Tile *tile = s->tile + tileno;
1452
2/2
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✓ Branch 1 taken 2600 times.
11050 for (compno = 0; compno < s->ncomponents; compno++)
1453 8450 ff_jpeg2000_reinit(tile->comp + compno, &s->codsty);
1454 }
1455 800 }
1456
1457 4000 static void update_size(uint8_t *size, const uint8_t *end)
1458 {
1459 4000 AV_WB32(size, end-size);
1460 4000 }
1461
1462 800 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
1463 const AVFrame *pict, int *got_packet)
1464 {
1465 int tileno, ret;
1466 800 Jpeg2000EncoderContext *s = avctx->priv_data;
1467 uint8_t *chunkstart, *jp2cstart, *jp2hstart;
1468 800 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
1469
1470
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 800 times.
800 if ((ret = ff_alloc_packet(avctx, pkt, avctx->width*avctx->height*9 + FF_INPUT_BUFFER_MIN_SIZE)) < 0)
1471 return ret;
1472
1473 // init:
1474 800 s->buf = s->buf_start = pkt->data;
1475 800 s->buf_end = pkt->data + pkt->size;
1476
1477 800 s->picture = pict;
1478
1479 800 s->lambda = s->picture->quality * LAMBDA_SCALE;
1480
1481
2/2
✓ Branch 0 taken 400 times.
✓ Branch 1 taken 400 times.
800 if (s->cbps[0] > 8)
1482 400 copy_frame_16(s);
1483 else
1484 400 copy_frame_8(s);
1485
1486 800 reinit(s);
1487
1488
1/2
✓ Branch 0 taken 800 times.
✗ Branch 1 not taken.
800 if (s->format == CODEC_JP2) {
1489
1/2
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✓ Branch 1 taken 800 times.
800 av_assert0(s->buf == pkt->data);
1490
1491 800 bytestream_put_be32(&s->buf, 0x0000000C);
1492 800 bytestream_put_be32(&s->buf, 0x6A502020);
1493 800 bytestream_put_be32(&s->buf, 0x0D0A870A);
1494
1495 800 chunkstart = s->buf;
1496 800 bytestream_put_be32(&s->buf, 0);
1497 800 bytestream_put_buffer(&s->buf, "ftyp", 4);
1498 800 bytestream_put_buffer(&s->buf, "jp2\040\040", 4);
1499 800 bytestream_put_be32(&s->buf, 0);
1500 800 bytestream_put_buffer(&s->buf, "jp2\040", 4);
1501 800 update_size(chunkstart, s->buf);
1502
1503 800 jp2hstart = s->buf;
1504 800 bytestream_put_be32(&s->buf, 0);
1505 800 bytestream_put_buffer(&s->buf, "jp2h", 4);
1506
1507 800 chunkstart = s->buf;
1508 800 bytestream_put_be32(&s->buf, 0);
1509 800 bytestream_put_buffer(&s->buf, "ihdr", 4);
1510 800 bytestream_put_be32(&s->buf, avctx->height);
1511 800 bytestream_put_be32(&s->buf, avctx->width);
1512 800 bytestream_put_be16(&s->buf, s->ncomponents);
1513 800 bytestream_put_byte(&s->buf, s->cbps[0]);
1514 800 bytestream_put_byte(&s->buf, 7);
1515 800 bytestream_put_byte(&s->buf, 0);
1516 800 bytestream_put_byte(&s->buf, 0);
1517 800 update_size(chunkstart, s->buf);
1518
1519 800 chunkstart = s->buf;
1520 800 bytestream_put_be32(&s->buf, 0);
1521 800 bytestream_put_buffer(&s->buf, "colr", 4);
1522 800 bytestream_put_byte(&s->buf, 1);
1523 800 bytestream_put_byte(&s->buf, 0);
1524 800 bytestream_put_byte(&s->buf, 0);
1525
3/4
✓ Branch 0 taken 200 times.
✓ Branch 1 taken 600 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 200 times.
800 if ((desc->flags & AV_PIX_FMT_FLAG_RGB) || avctx->pix_fmt == AV_PIX_FMT_PAL8) {
1526 600 bytestream_put_be32(&s->buf, 16);
1527
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 200 times.
200 } else if (s->ncomponents == 1) {
1528 bytestream_put_be32(&s->buf, 17);
1529 } else {
1530 200 bytestream_put_be32(&s->buf, 18);
1531 }
1532 800 update_size(chunkstart, s->buf);
1533
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 800 times.
800 if (avctx->pix_fmt == AV_PIX_FMT_PAL8) {
1534 int i;
1535 const uint8_t *palette = pict->data[1];
1536 chunkstart = s->buf;
1537 bytestream_put_be32(&s->buf, 0);
1538 bytestream_put_buffer(&s->buf, "pclr", 4);
1539 bytestream_put_be16(&s->buf, AVPALETTE_COUNT);
1540 bytestream_put_byte(&s->buf, 3); // colour channels
1541 bytestream_put_be24(&s->buf, 0x070707); //colour depths
1542 for (i = 0; i < AVPALETTE_COUNT; i++) {
1543 bytestream_put_be24(&s->buf, HAVE_BIGENDIAN ? AV_RB24(palette + 1) : AV_RL24(palette));
1544 palette += 4;
1545 }
1546 update_size(chunkstart, s->buf);
1547 chunkstart = s->buf;
1548 bytestream_put_be32(&s->buf, 0);
1549 bytestream_put_buffer(&s->buf, "cmap", 4);
1550 for (i = 0; i < 3; i++) {
1551 bytestream_put_be16(&s->buf, 0); // component
1552 bytestream_put_byte(&s->buf, 1); // palette mapping
1553 bytestream_put_byte(&s->buf, i); // index
1554 }
1555 update_size(chunkstart, s->buf);
1556 }
1557 800 update_size(jp2hstart, s->buf);
1558
1559 800 jp2cstart = s->buf;
1560 800 bytestream_put_be32(&s->buf, 0);
1561 800 bytestream_put_buffer(&s->buf, "jp2c", 4);
1562 }
1563
1564
1/2
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800 if (s->buf_end - s->buf < 2)
1565 return -1;
1566 800 bytestream_put_be16(&s->buf, JPEG2000_SOC);
1567
1/2
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✓ Branch 2 taken 800 times.
800 if ((ret = put_siz(s)) < 0)
1568 return ret;
1569
1/2
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✓ Branch 2 taken 800 times.
800 if ((ret = put_cod(s)) < 0)
1570 return ret;
1571
1/2
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✓ Branch 2 taken 800 times.
800 if ((ret = put_qcd(s, 0)) < 0)
1572 return ret;
1573
1/2
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✓ Branch 2 taken 800 times.
800 if ((ret = put_com(s, 0)) < 0)
1574 return ret;
1575
1576
2/2
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✓ Branch 1 taken 800 times.
3400 for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){
1577 uint8_t *psotptr;
1578
1/2
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✓ Branch 2 taken 2600 times.
2600 if (!(psotptr = put_sot(s, tileno)))
1579 return -1;
1580
1/2
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✓ Branch 1 taken 2600 times.
2600 if (s->buf_end - s->buf < 2)
1581 return -1;
1582 2600 bytestream_put_be16(&s->buf, JPEG2000_SOD);
1583
1/2
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✓ Branch 2 taken 2600 times.
2600 if ((ret = encode_tile(s, s->tile + tileno, tileno)) < 0)
1584 return ret;
1585 2600 bytestream_put_be32(&psotptr, s->buf - psotptr + 6);
1586 }
1587
1/2
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✓ Branch 1 taken 800 times.
800 if (s->buf_end - s->buf < 2)
1588 return -1;
1589 800 bytestream_put_be16(&s->buf, JPEG2000_EOC);
1590
1591
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800 if (s->format == CODEC_JP2)
1592 800 update_size(jp2cstart, s->buf);
1593
1594 800 av_log(s->avctx, AV_LOG_DEBUG, "end\n");
1595 800 pkt->size = s->buf - s->buf_start;
1596 800 *got_packet = 1;
1597
1598 800 return 0;
1599 }
1600
1601 16 static int parse_layer_rates(Jpeg2000EncoderContext *s)
1602 {
1603 int i;
1604 char *token;
1605 16 char *saveptr = NULL;
1606 int rate;
1607 16 int nlayers = 0;
1608
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16 if (!s->lr_str) {
1609 16 s->nlayers = 1;
1610 16 s->layer_rates[0] = 0;
1611 16 s->compression_rate_enc = 0;
1612 16 return 0;
1613 }
1614
1615 token = av_strtok(s->lr_str, ",", &saveptr);
1616 if (token && (rate = strtol(token, NULL, 10))) {
1617 s->layer_rates[0] = rate <= 1 ? 0:rate;
1618 nlayers++;
1619 } else {
1620 return AVERROR_INVALIDDATA;
1621 }
1622
1623 while (1) {
1624 token = av_strtok(NULL, ",", &saveptr);
1625 if (!token)
1626 break;
1627 if (rate = strtol(token, NULL, 10)) {
1628 if (nlayers >= 100) {
1629 return AVERROR_INVALIDDATA;
1630 }
1631 s->layer_rates[nlayers] = rate <= 1 ? 0:rate;
1632 nlayers++;
1633 } else {
1634 return AVERROR_INVALIDDATA;
1635 }
1636 }
1637
1638 for (i = 1; i < nlayers; i++) {
1639 if (s->layer_rates[i] >= s->layer_rates[i-1]) {
1640 return AVERROR_INVALIDDATA;
1641 }
1642 }
1643 s->nlayers = nlayers;
1644 s->compression_rate_enc = 1;
1645 return 0;
1646 }
1647
1648 16 static av_cold int j2kenc_init(AVCodecContext *avctx)
1649 {
1650 static AVOnce init_static_once = AV_ONCE_INIT;
1651 int i, ret;
1652 16 Jpeg2000EncoderContext *s = avctx->priv_data;
1653 16 Jpeg2000CodingStyle *codsty = &s->codsty;
1654 16 Jpeg2000QuantStyle *qntsty = &s->qntsty;
1655 16 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
1656
1657 16 s->avctx = avctx;
1658 16 av_log(s->avctx, AV_LOG_DEBUG, "init\n");
1659
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16 if (parse_layer_rates(s)) {
1660 av_log(avctx, AV_LOG_WARNING, "Layer rates invalid. Encoding with 1 layer based on quality metric.\n");
1661 s->nlayers = 1;
1662 s->layer_rates[0] = 0;
1663 s->compression_rate_enc = 0;
1664 }
1665
1666
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16 if (avctx->pix_fmt == AV_PIX_FMT_PAL8 && (s->pred != FF_DWT97_INT || s->format != CODEC_JP2)) {
1667 av_log(s->avctx, AV_LOG_WARNING, "Forcing lossless jp2 for pal8\n");
1668 s->pred = 1;
1669 s->format = CODEC_JP2;
1670 }
1671
1672 // defaults:
1673 // TODO: implement setting non-standard precinct size
1674 16 memset(codsty->log2_prec_widths , 15, sizeof(codsty->log2_prec_widths ));
1675 16 memset(codsty->log2_prec_heights, 15, sizeof(codsty->log2_prec_heights));
1676 16 codsty->nreslevels2decode=
1677 16 codsty->nreslevels = 7;
1678 16 codsty->nlayers = s->nlayers;
1679 16 codsty->log2_cblk_width = 4;
1680 16 codsty->log2_cblk_height = 4;
1681
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16 codsty->transform = s->pred ? FF_DWT53 : FF_DWT97_INT;
1682
1683 16 qntsty->nguardbits = 1;
1684
1685
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16 if ((s->tile_width & (s->tile_width -1)) ||
1686
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16 (s->tile_height & (s->tile_height-1))) {
1687 av_log(avctx, AV_LOG_WARNING, "Tile dimension not a power of 2\n");
1688 }
1689
1690
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16 if (codsty->transform == FF_DWT53)
1691 12 qntsty->quantsty = JPEG2000_QSTY_NONE;
1692 else
1693 4 qntsty->quantsty = JPEG2000_QSTY_SE;
1694
1695 16 s->width = avctx->width;
1696 16 s->height = avctx->height;
1697
1698 16 s->ncomponents = desc->nb_components;
1699
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80 for (i = 0; i < 4; i++) {
1700 64 s->cbps[i] = desc->comp[i].depth;
1701 64 s->comp_remap[i] = i; //default
1702 }
1703
1704
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16 if ((desc->flags & AV_PIX_FMT_FLAG_PLANAR) && s->ncomponents > 1) {
1705 8 s->planar = 1;
1706 8 ret = av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt,
1707 8 s->chroma_shift, s->chroma_shift + 1);
1708
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8 if (ret)
1709 return ret;
1710
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8 if (desc->flags & AV_PIX_FMT_FLAG_RGB) {
1711 4 s->comp_remap[0] = 2;
1712 4 s->comp_remap[1] = 0;
1713 4 s->comp_remap[2] = 1;
1714 }
1715 }
1716
1717 16 ff_thread_once(&init_static_once, init_luts);
1718
1719 16 init_quantization(s);
1720
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16 if ((ret=init_tiles(s)) < 0)
1721 return ret;
1722
1723 16 av_log(s->avctx, AV_LOG_DEBUG, "after init\n");
1724
1725 16 return 0;
1726 }
1727
1728 16 static int j2kenc_destroy(AVCodecContext *avctx)
1729 {
1730 16 Jpeg2000EncoderContext *s = avctx->priv_data;
1731
1732 16 cleanup(s);
1733 16 return 0;
1734 }
1735
1736 // taken from the libopenjpeg wrapper so it matches
1737
1738 #define OFFSET(x) offsetof(Jpeg2000EncoderContext, x)
1739 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1740 static const AVOption options[] = {
1741 { "format", "Codec Format", OFFSET(format), AV_OPT_TYPE_INT, { .i64 = CODEC_JP2 }, CODEC_J2K, CODEC_JP2, VE, .unit = "format" },
1742 { "j2k", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_J2K }, 0, 0, VE, .unit = "format" },
1743 { "jp2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_JP2 }, 0, 0, VE, .unit = "format" },
1744 { "tile_width", "Tile Width", OFFSET(tile_width), AV_OPT_TYPE_INT, { .i64 = 256 }, 1, 1<<30, VE, },
1745 { "tile_height", "Tile Height", OFFSET(tile_height), AV_OPT_TYPE_INT, { .i64 = 256 }, 1, 1<<30, VE, },
1746 { "pred", "DWT Type", OFFSET(pred), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, .unit = "pred" },
1747 { "dwt97int", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, .unit = "pred" },
1748 { "dwt53", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, .unit = "pred" },
1749 { "sop", "SOP marker", OFFSET(sop), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, },
1750 { "eph", "EPH marker", OFFSET(eph), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, },
1751 { "prog", "Progression Order", OFFSET(prog), AV_OPT_TYPE_INT, { .i64 = 0 }, JPEG2000_PGOD_LRCP, JPEG2000_PGOD_CPRL, VE, .unit = "prog" },
1752 { "lrcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_LRCP }, 0, 0, VE, .unit = "prog" },
1753 { "rlcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_RLCP }, 0, 0, VE, .unit = "prog" },
1754 { "rpcl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_RPCL }, 0, 0, VE, .unit = "prog" },
1755 { "pcrl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_PCRL }, 0, 0, VE, .unit = "prog" },
1756 { "cprl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_CPRL }, 0, 0, VE, .unit = "prog" },
1757 { "layer_rates", "Layer Rates", OFFSET(lr_str), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VE },
1758 { NULL }
1759 };
1760
1761 static const AVClass j2k_class = {
1762 .class_name = "jpeg 2000 encoder",
1763 .item_name = av_default_item_name,
1764 .option = options,
1765 .version = LIBAVUTIL_VERSION_INT,
1766 };
1767
1768 const FFCodec ff_jpeg2000_encoder = {
1769 .p.name = "jpeg2000",
1770 CODEC_LONG_NAME("JPEG 2000"),
1771 .p.type = AVMEDIA_TYPE_VIDEO,
1772 .p.id = AV_CODEC_ID_JPEG2000,
1773 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE |
1774 AV_CODEC_CAP_FRAME_THREADS,
1775 .priv_data_size = sizeof(Jpeg2000EncoderContext),
1776 .init = j2kenc_init,
1777 FF_CODEC_ENCODE_CB(encode_frame),
1778 .close = j2kenc_destroy,
1779 CODEC_PIXFMTS(
1780 AV_PIX_FMT_RGB24, AV_PIX_FMT_RGB48,
1781 AV_PIX_FMT_GBR24P,AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
1782 AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
1783 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV420P16,
1784 AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV422P16,
1785 AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV444P16,
1786 AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV440P10, AV_PIX_FMT_YUV440P12,
1787 AV_PIX_FMT_YUV411P,
1788 AV_PIX_FMT_YUV410P,
1789 AV_PIX_FMT_YA8, AV_PIX_FMT_YA16,
1790 AV_PIX_FMT_RGBA, AV_PIX_FMT_RGBA64,
1791 AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
1792 AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
1793 AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P16,
1794 AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P16,
1795
1796 AV_PIX_FMT_PAL8),
1797 .color_ranges = AVCOL_RANGE_MPEG,
1798 .p.priv_class = &j2k_class,
1799 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
1800 };
1801