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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/common.h" | ||
75 | #include "libavutil/pixdesc.h" | ||
76 | #include "libavutil/opt.h" | ||
77 | #include "libavutil/intreadwrite.h" | ||
78 | #include "libavutil/avstring.h" | ||
79 | #include "libavutil/thread.h" | ||
80 | |||
81 | #define NMSEDEC_BITS 7 | ||
82 | #define NMSEDEC_FRACBITS (NMSEDEC_BITS-1) | ||
83 | #define WMSEDEC_SHIFT 13 ///< must be >= 13 | ||
84 | #define LAMBDA_SCALE (100000000LL << (WMSEDEC_SHIFT - 13)) | ||
85 | |||
86 | #define CODEC_JP2 1 | ||
87 | #define CODEC_J2K 0 | ||
88 | |||
89 | static int lut_nmsedec_ref [1<<NMSEDEC_BITS], | ||
90 | lut_nmsedec_ref0[1<<NMSEDEC_BITS], | ||
91 | lut_nmsedec_sig [1<<NMSEDEC_BITS], | ||
92 | lut_nmsedec_sig0[1<<NMSEDEC_BITS]; | ||
93 | |||
94 | static const int dwt_norms[2][4][10] = { // [dwt_type][band][rlevel] (multiplied by 10000) | ||
95 | {{10000, 19650, 41770, 84030, 169000, 338400, 676900, 1353000, 2706000, 5409000}, | ||
96 | {20220, 39890, 83550, 170400, 342700, 686300, 1373000, 2746000, 5490000}, | ||
97 | {20220, 39890, 83550, 170400, 342700, 686300, 1373000, 2746000, 5490000}, | ||
98 | {20800, 38650, 83070, 171800, 347100, 695900, 1393000, 2786000, 5572000}}, | ||
99 | |||
100 | {{10000, 15000, 27500, 53750, 106800, 213400, 426700, 853300, 1707000, 3413000}, | ||
101 | {10380, 15920, 29190, 57030, 113300, 226400, 452500, 904800, 1809000}, | ||
102 | {10380, 15920, 29190, 57030, 113300, 226400, 452500, 904800, 1809000}, | ||
103 | { 7186, 9218, 15860, 30430, 60190, 120100, 240000, 479700, 959300}} | ||
104 | }; | ||
105 | |||
106 | typedef struct { | ||
107 | Jpeg2000Component *comp; | ||
108 | double *layer_rates; | ||
109 | } Jpeg2000Tile; | ||
110 | |||
111 | typedef struct { | ||
112 | AVClass *class; | ||
113 | AVCodecContext *avctx; | ||
114 | const AVFrame *picture; | ||
115 | |||
116 | int width, height; ///< image width and height | ||
117 | uint8_t cbps[4]; ///< bits per sample in particular components | ||
118 | int chroma_shift[2]; | ||
119 | uint8_t planar; | ||
120 | int ncomponents; | ||
121 | int tile_width, tile_height; ///< tile size | ||
122 | int numXtiles, numYtiles; | ||
123 | |||
124 | uint8_t *buf_start; | ||
125 | uint8_t *buf; | ||
126 | uint8_t *buf_end; | ||
127 | int bit_index; | ||
128 | |||
129 | int64_t lambda; | ||
130 | |||
131 | Jpeg2000CodingStyle codsty; | ||
132 | Jpeg2000QuantStyle qntsty; | ||
133 | |||
134 | Jpeg2000Tile *tile; | ||
135 | int layer_rates[100]; | ||
136 | uint8_t compression_rate_enc; ///< Is compression done using compression ratio? | ||
137 | |||
138 | int format; | ||
139 | int pred; | ||
140 | int sop; | ||
141 | int eph; | ||
142 | int prog; | ||
143 | int nlayers; | ||
144 | char *lr_str; | ||
145 | } Jpeg2000EncoderContext; | ||
146 | |||
147 | |||
148 | /* debug */ | ||
149 | #if 0 | ||
150 | #undef ifprintf | ||
151 | #undef printf | ||
152 | |||
153 | static void nspaces(FILE *fd, int n) | ||
154 | { | ||
155 | while(n--) putc(' ', fd); | ||
156 | } | ||
157 | |||
158 | static void printcomp(Jpeg2000Component *comp) | ||
159 | { | ||
160 | int i; | ||
161 | for (i = 0; i < comp->y1 - comp->y0; i++) | ||
162 | ff_jpeg2000_printv(comp->i_data + i * (comp->x1 - comp->x0), comp->x1 - comp->x0); | ||
163 | } | ||
164 | |||
165 | static void dump(Jpeg2000EncoderContext *s, FILE *fd) | ||
166 | { | ||
167 | int tileno, compno, reslevelno, bandno, precno; | ||
168 | fprintf(fd, "XSiz = %d, YSiz = %d, tile_width = %d, tile_height = %d\n" | ||
169 | "numXtiles = %d, numYtiles = %d, ncomponents = %d\n" | ||
170 | "tiles:\n", | ||
171 | s->width, s->height, s->tile_width, s->tile_height, | ||
172 | s->numXtiles, s->numYtiles, s->ncomponents); | ||
173 | for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ | ||
174 | Jpeg2000Tile *tile = s->tile + tileno; | ||
175 | nspaces(fd, 2); | ||
176 | fprintf(fd, "tile %d:\n", tileno); | ||
177 | for(compno = 0; compno < s->ncomponents; compno++){ | ||
178 | Jpeg2000Component *comp = tile->comp + compno; | ||
179 | nspaces(fd, 4); | ||
180 | fprintf(fd, "component %d:\n", compno); | ||
181 | nspaces(fd, 4); | ||
182 | fprintf(fd, "x0 = %d, x1 = %d, y0 = %d, y1 = %d\n", | ||
183 | comp->x0, comp->x1, comp->y0, comp->y1); | ||
184 | for(reslevelno = 0; reslevelno < s->nreslevels; reslevelno++){ | ||
185 | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | ||
186 | nspaces(fd, 6); | ||
187 | fprintf(fd, "reslevel %d:\n", reslevelno); | ||
188 | nspaces(fd, 6); | ||
189 | fprintf(fd, "x0 = %d, x1 = %d, y0 = %d, y1 = %d, nbands = %d\n", | ||
190 | reslevel->x0, reslevel->x1, reslevel->y0, | ||
191 | reslevel->y1, reslevel->nbands); | ||
192 | for(bandno = 0; bandno < reslevel->nbands; bandno++){ | ||
193 | Jpeg2000Band *band = reslevel->band + bandno; | ||
194 | nspaces(fd, 8); | ||
195 | fprintf(fd, "band %d:\n", bandno); | ||
196 | nspaces(fd, 8); | ||
197 | fprintf(fd, "x0 = %d, x1 = %d, y0 = %d, y1 = %d," | ||
198 | "codeblock_width = %d, codeblock_height = %d cblknx = %d cblkny = %d\n", | ||
199 | band->x0, band->x1, | ||
200 | band->y0, band->y1, | ||
201 | band->codeblock_width, band->codeblock_height, | ||
202 | band->cblknx, band->cblkny); | ||
203 | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ | ||
204 | Jpeg2000Prec *prec = band->prec + precno; | ||
205 | nspaces(fd, 10); | ||
206 | fprintf(fd, "prec %d:\n", precno); | ||
207 | nspaces(fd, 10); | ||
208 | fprintf(fd, "xi0 = %d, xi1 = %d, yi0 = %d, yi1 = %d\n", | ||
209 | prec->xi0, prec->xi1, prec->yi0, prec->yi1); | ||
210 | } | ||
211 | } | ||
212 | } | ||
213 | } | ||
214 | } | ||
215 | } | ||
216 | #endif | ||
217 | |||
218 | /* bitstream routines */ | ||
219 | |||
220 | /** put n times val bit */ | ||
221 | 8966043 | static void put_bits(Jpeg2000EncoderContext *s, int val, int n) // TODO: optimize | |
222 | { | ||
223 |
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15424806 | while (n-- > 0){ |
224 |
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6458763 | if (s->bit_index == 8) |
225 | { | ||
226 | 792476 | s->bit_index = *s->buf == 0xff; | |
227 | 792476 | *(++s->buf) = 0; | |
228 | } | ||
229 | 6458763 | *s->buf |= val << (7 - s->bit_index++); | |
230 | } | ||
231 | 8966043 | } | |
232 | |||
233 | /** put n least significant bits of a number num */ | ||
234 | 761232 | static void put_num(Jpeg2000EncoderContext *s, int num, int n) | |
235 | { | ||
236 |
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5223634 | while(--n >= 0) |
237 | 4462402 | put_bits(s, (num >> n) & 1, 1); | |
238 | 761232 | } | |
239 | |||
240 | /** flush the bitstream */ | ||
241 | 27300 | static void j2k_flush(Jpeg2000EncoderContext *s) | |
242 | { | ||
243 |
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27300 | if (s->bit_index){ |
244 | 27300 | s->bit_index = 0; | |
245 | 27300 | s->buf++; | |
246 | } | ||
247 | 27300 | } | |
248 | |||
249 | /* tag tree routines */ | ||
250 | |||
251 | /** code the value stored in node */ | ||
252 | 794016 | static void tag_tree_code(Jpeg2000EncoderContext *s, Jpeg2000TgtNode *node, int threshold) | |
253 | { | ||
254 | Jpeg2000TgtNode *stack[30]; | ||
255 | 794016 | int sp = -1, curval = 0; | |
256 | |||
257 |
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2648353 | while(node->parent){ |
258 | 1854337 | stack[++sp] = node; | |
259 | 1854337 | node = node->parent; | |
260 | } | ||
261 | |||
262 | while (1) { | ||
263 |
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2648353 | if (curval > node->temp_val) |
264 | 467648 | node->temp_val = curval; | |
265 | else { | ||
266 | 2180705 | curval = node->temp_val; | |
267 | } | ||
268 | |||
269 |
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2648353 | if (node->val >= threshold) { |
270 | 38097 | put_bits(s, 0, threshold - curval); | |
271 | 38097 | curval = threshold; | |
272 | } else { | ||
273 | 2610256 | put_bits(s, 0, node->val - curval); | |
274 | 2610256 | curval = node->val; | |
275 |
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2610256 | if (!node->vis) { |
276 | 1066756 | put_bits(s, 1, 1); | |
277 | 1066756 | node->vis = 1; | |
278 | } | ||
279 | } | ||
280 | |||
281 | 2648353 | node->temp_val = curval; | |
282 |
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2648353 | if (sp < 0) |
283 | 794016 | break; | |
284 | 1854337 | node = stack[sp--]; | |
285 | } | ||
286 | 794016 | } | |
287 | |||
288 | /** update the value in node */ | ||
289 | 826800 | static void tag_tree_update(Jpeg2000TgtNode *node) | |
290 | { | ||
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 | } | ||
297 | 826800 | } | |
298 | |||
299 | 400 | static int put_siz(Jpeg2000EncoderContext *s) | |
300 | { | ||
301 | int i; | ||
302 | |||
303 |
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400 | if (s->buf_end - s->buf < 40 + 3 * s->ncomponents) |
304 | ✗ | return -1; | |
305 | |||
306 | 400 | bytestream_put_be16(&s->buf, JPEG2000_SIZ); | |
307 | 400 | bytestream_put_be16(&s->buf, 38 + 3 * s->ncomponents); // Lsiz | |
308 | 400 | bytestream_put_be16(&s->buf, 0); // Rsiz | |
309 | 400 | bytestream_put_be32(&s->buf, s->width); // width | |
310 | 400 | bytestream_put_be32(&s->buf, s->height); // height | |
311 | 400 | bytestream_put_be32(&s->buf, 0); // X0Siz | |
312 | 400 | bytestream_put_be32(&s->buf, 0); // Y0Siz | |
313 | |||
314 | 400 | bytestream_put_be32(&s->buf, s->tile_width); // XTSiz | |
315 | 400 | bytestream_put_be32(&s->buf, s->tile_height); // YTSiz | |
316 | 400 | bytestream_put_be32(&s->buf, 0); // XT0Siz | |
317 | 400 | bytestream_put_be32(&s->buf, 0); // YT0Siz | |
318 | 400 | bytestream_put_be16(&s->buf, s->ncomponents); // CSiz | |
319 | |||
320 |
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1600 | for (i = 0; i < s->ncomponents; i++){ // Ssiz_i XRsiz_i, YRsiz_i |
321 | 1200 | bytestream_put_byte(&s->buf, s->cbps[i] - 1); | |
322 |
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1200 | bytestream_put_byte(&s->buf, i?1<<s->chroma_shift[0]:1); |
323 |
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1200 | bytestream_put_byte(&s->buf, i?1<<s->chroma_shift[1]:1); |
324 | } | ||
325 | 400 | return 0; | |
326 | } | ||
327 | |||
328 | 400 | static int put_cod(Jpeg2000EncoderContext *s) | |
329 | { | ||
330 | 400 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
331 | 400 | uint8_t scod = 0; | |
332 | |||
333 |
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400 | if (s->buf_end - s->buf < 14) |
334 | ✗ | return -1; | |
335 | |||
336 | 400 | bytestream_put_be16(&s->buf, JPEG2000_COD); | |
337 | 400 | bytestream_put_be16(&s->buf, 12); // Lcod | |
338 |
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400 | if (s->sop) |
339 | ✗ | scod |= JPEG2000_CSTY_SOP; | |
340 |
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400 | if (s->eph) |
341 | ✗ | scod |= JPEG2000_CSTY_EPH; | |
342 | 400 | bytestream_put_byte(&s->buf, scod); // Scod | |
343 | // SGcod | ||
344 | 400 | bytestream_put_byte(&s->buf, s->prog); // progression level | |
345 | 400 | bytestream_put_be16(&s->buf, s->nlayers); // num of layers | |
346 |
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400 | if(s->avctx->pix_fmt == AV_PIX_FMT_YUV444P){ |
347 | ✗ | bytestream_put_byte(&s->buf, 0); // unspecified | |
348 | }else{ | ||
349 | 400 | bytestream_put_byte(&s->buf, 0); // unspecified | |
350 | } | ||
351 | // SPcod | ||
352 | 400 | bytestream_put_byte(&s->buf, codsty->nreslevels - 1); // num of decomp. levels | |
353 | 400 | bytestream_put_byte(&s->buf, codsty->log2_cblk_width-2); // cblk width | |
354 | 400 | bytestream_put_byte(&s->buf, codsty->log2_cblk_height-2); // cblk height | |
355 | 400 | bytestream_put_byte(&s->buf, 0); // cblk style | |
356 | 400 | bytestream_put_byte(&s->buf, codsty->transform == FF_DWT53); // transformation | |
357 | 400 | return 0; | |
358 | } | ||
359 | |||
360 | 400 | static int put_qcd(Jpeg2000EncoderContext *s, int compno) | |
361 | { | ||
362 | int i, size; | ||
363 | 400 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
364 | 400 | Jpeg2000QuantStyle *qntsty = &s->qntsty; | |
365 | |||
366 |
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400 | if (qntsty->quantsty == JPEG2000_QSTY_NONE) |
367 | 200 | size = 4 + 3 * (codsty->nreslevels-1); | |
368 | else // QSTY_SE | ||
369 | 200 | size = 5 + 6 * (codsty->nreslevels-1); | |
370 | |||
371 |
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400 | if (s->buf_end - s->buf < size + 2) |
372 | ✗ | return -1; | |
373 | |||
374 | 400 | bytestream_put_be16(&s->buf, JPEG2000_QCD); | |
375 | 400 | bytestream_put_be16(&s->buf, size); // LQcd | |
376 | 400 | bytestream_put_byte(&s->buf, (qntsty->nguardbits << 5) | qntsty->quantsty); // Sqcd | |
377 |
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400 | if (qntsty->quantsty == JPEG2000_QSTY_NONE) |
378 |
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4000 | for (i = 0; i < codsty->nreslevels * 3 - 2; i++) |
379 | 3800 | bytestream_put_byte(&s->buf, qntsty->expn[i] << 3); | |
380 | else // QSTY_SE | ||
381 |
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4000 | for (i = 0; i < codsty->nreslevels * 3 - 2; i++) |
382 | 3800 | bytestream_put_be16(&s->buf, (qntsty->expn[i] << 11) | qntsty->mant[i]); | |
383 | 400 | return 0; | |
384 | } | ||
385 | |||
386 | 400 | static int put_com(Jpeg2000EncoderContext *s, int compno) | |
387 | { | ||
388 | 400 | int size = 4 + strlen(LIBAVCODEC_IDENT); | |
389 | |||
390 |
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400 | if (s->avctx->flags & AV_CODEC_FLAG_BITEXACT) |
391 | 400 | return 0; | |
392 | |||
393 | ✗ | if (s->buf_end - s->buf < size + 2) | |
394 | ✗ | return -1; | |
395 | |||
396 | ✗ | bytestream_put_be16(&s->buf, JPEG2000_COM); | |
397 | ✗ | bytestream_put_be16(&s->buf, size); | |
398 | ✗ | bytestream_put_be16(&s->buf, 1); // General use (ISO/IEC 8859-15 (Latin) values) | |
399 | |||
400 | ✗ | bytestream_put_buffer(&s->buf, LIBAVCODEC_IDENT, strlen(LIBAVCODEC_IDENT)); | |
401 | |||
402 | ✗ | return 0; | |
403 | } | ||
404 | |||
405 | 1300 | static uint8_t *put_sot(Jpeg2000EncoderContext *s, int tileno) | |
406 | { | ||
407 | uint8_t *psotptr; | ||
408 | |||
409 |
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1300 | if (s->buf_end - s->buf < 12) |
410 | ✗ | return NULL; | |
411 | |||
412 | 1300 | bytestream_put_be16(&s->buf, JPEG2000_SOT); | |
413 | 1300 | bytestream_put_be16(&s->buf, 10); // Lsot | |
414 | 1300 | bytestream_put_be16(&s->buf, tileno); // Isot | |
415 | |||
416 | 1300 | psotptr = s->buf; | |
417 | 1300 | bytestream_put_be32(&s->buf, 0); // Psot (filled in later) | |
418 | |||
419 | 1300 | bytestream_put_byte(&s->buf, 0); // TPsot | |
420 | 1300 | bytestream_put_byte(&s->buf, 1); // TNsot | |
421 | 1300 | return psotptr; | |
422 | } | ||
423 | |||
424 | 8 | static void compute_rates(Jpeg2000EncoderContext* s) | |
425 | { | ||
426 | int i, j; | ||
427 | int layno, compno; | ||
428 |
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22 | for (i = 0; i < s->numYtiles; i++) { |
429 |
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40 | for (j = 0; j < s->numXtiles; j++) { |
430 | 26 | Jpeg2000Tile *tile = &s->tile[s->numXtiles * i + j]; | |
431 |
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104 | for (compno = 0; compno < s->ncomponents; compno++) { |
432 | 78 | int tilew = tile->comp[compno].coord[0][1] - tile->comp[compno].coord[0][0]; | |
433 | 78 | int tileh = tile->comp[compno].coord[1][1] - tile->comp[compno].coord[1][0]; | |
434 |
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78 | int scale = (compno?1 << s->chroma_shift[0]:1) * (compno?1 << s->chroma_shift[1]:1); |
435 |
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156 | for (layno = 0; layno < s->nlayers; layno++) { |
436 |
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78 | if (s->layer_rates[layno] > 0) { |
437 | ✗ | tile->layer_rates[layno] += (double)(tilew * tileh) * s->ncomponents * s->cbps[compno] / | |
438 | ✗ | (double)(s->layer_rates[layno] * 8 * scale); | |
439 | } else { | ||
440 | 78 | tile->layer_rates[layno] = 0.0; | |
441 | } | ||
442 | } | ||
443 | } | ||
444 | } | ||
445 | } | ||
446 | |||
447 | 8 | } | |
448 | |||
449 | /** | ||
450 | * compute the sizes of tiles, resolution levels, bands, etc. | ||
451 | * allocate memory for them | ||
452 | * divide the input image into tile-components | ||
453 | */ | ||
454 | 8 | static int init_tiles(Jpeg2000EncoderContext *s) | |
455 | { | ||
456 | int tileno, tilex, tiley, compno; | ||
457 | 8 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
458 | 8 | Jpeg2000QuantStyle *qntsty = &s->qntsty; | |
459 | |||
460 | 8 | s->numXtiles = ff_jpeg2000_ceildiv(s->width, s->tile_width); | |
461 | 8 | s->numYtiles = ff_jpeg2000_ceildiv(s->height, s->tile_height); | |
462 | |||
463 | 8 | s->tile = av_calloc(s->numXtiles, s->numYtiles * sizeof(Jpeg2000Tile)); | |
464 |
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8 | if (!s->tile) |
465 | ✗ | return AVERROR(ENOMEM); | |
466 |
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22 | for (tileno = 0, tiley = 0; tiley < s->numYtiles; tiley++) |
467 |
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40 | for (tilex = 0; tilex < s->numXtiles; tilex++, tileno++){ |
468 | 26 | Jpeg2000Tile *tile = s->tile + tileno; | |
469 | |||
470 | 26 | tile->comp = av_calloc(s->ncomponents, sizeof(*tile->comp)); | |
471 |
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26 | if (!tile->comp) |
472 | ✗ | return AVERROR(ENOMEM); | |
473 | |||
474 | 26 | tile->layer_rates = av_calloc(s->nlayers, sizeof(*tile->layer_rates)); | |
475 |
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26 | if (!tile->layer_rates) |
476 | ✗ | return AVERROR(ENOMEM); | |
477 | |||
478 |
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104 | for (compno = 0; compno < s->ncomponents; compno++){ |
479 | 78 | Jpeg2000Component *comp = tile->comp + compno; | |
480 | int ret, i, j; | ||
481 | |||
482 | 78 | comp->coord[0][0] = comp->coord_o[0][0] = tilex * s->tile_width; | |
483 | 78 | comp->coord[0][1] = comp->coord_o[0][1] = FFMIN((tilex+1)*s->tile_width, s->width); | |
484 | 78 | comp->coord[1][0] = comp->coord_o[1][0] = tiley * s->tile_height; | |
485 | 78 | comp->coord[1][1] = comp->coord_o[1][1] = FFMIN((tiley+1)*s->tile_height, s->height); | |
486 |
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78 | if (compno > 0) |
487 |
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156 | for (i = 0; i < 2; i++) |
488 |
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312 | for (j = 0; j < 2; j++) |
489 | 208 | comp->coord[i][j] = comp->coord_o[i][j] = ff_jpeg2000_ceildivpow2(comp->coord[i][j], s->chroma_shift[i]); | |
490 | |||
491 |
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208 | if ((ret = ff_jpeg2000_init_component(comp, |
492 | codsty, | ||
493 | qntsty, | ||
494 | 78 | s->cbps[compno], | |
495 | 52 | compno?1<<s->chroma_shift[0]:1, | |
496 | 52 | compno?1<<s->chroma_shift[1]:1, | |
497 | s->avctx | ||
498 | )) < 0) | ||
499 | ✗ | return ret; | |
500 | } | ||
501 | } | ||
502 | 8 | compute_rates(s); | |
503 | 8 | return 0; | |
504 | } | ||
505 | |||
506 | #define COPY_FRAME(D, PIXEL) \ | ||
507 | static void copy_frame_ ##D(Jpeg2000EncoderContext *s) \ | ||
508 | { \ | ||
509 | int tileno, compno, i, y, x; \ | ||
510 | const PIXEL *line; \ | ||
511 | for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ \ | ||
512 | Jpeg2000Tile *tile = s->tile + tileno; \ | ||
513 | if (s->planar){ \ | ||
514 | for (compno = 0; compno < s->ncomponents; compno++){ \ | ||
515 | Jpeg2000Component *comp = tile->comp + compno; \ | ||
516 | int *dst = comp->i_data; \ | ||
517 | int cbps = s->cbps[compno]; \ | ||
518 | line = (const PIXEL*)s->picture->data[compno] \ | ||
519 | + comp->coord[1][0] * (s->picture->linesize[compno] / sizeof(PIXEL)) \ | ||
520 | + comp->coord[0][0]; \ | ||
521 | for (y = comp->coord[1][0]; y < comp->coord[1][1]; y++){ \ | ||
522 | const PIXEL *ptr = line; \ | ||
523 | for (x = comp->coord[0][0]; x < comp->coord[0][1]; x++) \ | ||
524 | *dst++ = *ptr++ - (1 << (cbps - 1)); \ | ||
525 | line += s->picture->linesize[compno] / sizeof(PIXEL); \ | ||
526 | } \ | ||
527 | } \ | ||
528 | } else{ \ | ||
529 | line = (const PIXEL*)(s->picture->data[0] + tile->comp[0].coord[1][0] * s->picture->linesize[0]) \ | ||
530 | + tile->comp[0].coord[0][0] * s->ncomponents; \ | ||
531 | \ | ||
532 | i = 0; \ | ||
533 | for (y = tile->comp[0].coord[1][0]; y < tile->comp[0].coord[1][1]; y++){ \ | ||
534 | const PIXEL *ptr = line; \ | ||
535 | for (x = tile->comp[0].coord[0][0]; x < tile->comp[0].coord[0][1]; x++, i++){ \ | ||
536 | for (compno = 0; compno < s->ncomponents; compno++){ \ | ||
537 | int cbps = s->cbps[compno]; \ | ||
538 | tile->comp[compno].i_data[i] = *ptr++ - (1 << (cbps - 1)); \ | ||
539 | } \ | ||
540 | } \ | ||
541 | line += s->picture->linesize[0] / sizeof(PIXEL); \ | ||
542 | } \ | ||
543 | } \ | ||
544 | } \ | ||
545 | } | ||
546 | |||
547 |
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122291500 | COPY_FRAME(8, uint8_t) |
548 | ✗ | COPY_FRAME(16, uint16_t) | |
549 | |||
550 | 8 | static void init_quantization(Jpeg2000EncoderContext *s) | |
551 | { | ||
552 | int compno, reslevelno, bandno; | ||
553 | 8 | Jpeg2000QuantStyle *qntsty = &s->qntsty; | |
554 | 8 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
555 | |||
556 |
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32 | for (compno = 0; compno < s->ncomponents; compno++){ |
557 | 24 | int gbandno = 0; | |
558 |
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192 | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){ |
559 | 168 | int nbands, lev = codsty->nreslevels - reslevelno - 1; | |
560 |
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168 | nbands = reslevelno ? 3 : 1; |
561 |
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624 | for (bandno = 0; bandno < nbands; bandno++, gbandno++){ |
562 | 456 | int expn, mant = 0; | |
563 | |||
564 |
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456 | if (codsty->transform == FF_DWT97_INT){ |
565 | 228 | int bandpos = bandno + (reslevelno>0), | |
566 | 228 | ss = 81920000 / dwt_norms[0][bandpos][lev], | |
567 | 228 | log = av_log2(ss); | |
568 |
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228 | mant = (11 - log < 0 ? ss >> log - 11 : ss << 11 - log) & 0x7ff; |
569 | 228 | expn = s->cbps[compno] - log + 13; | |
570 | } else | ||
571 | 228 | expn = ((bandno&2)>>1) + (reslevelno>0) + s->cbps[compno]; | |
572 | |||
573 | 456 | qntsty->expn[gbandno] = expn; | |
574 | 456 | qntsty->mant[gbandno] = mant; | |
575 | } | ||
576 | } | ||
577 | } | ||
578 | 8 | } | |
579 | |||
580 | 8 | static void init_luts(void) | |
581 | { | ||
582 | int i, a, | ||
583 | 8 | mask = ~((1<<NMSEDEC_FRACBITS)-1); | |
584 | |||
585 |
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1032 | for (i = 0; i < (1 << NMSEDEC_BITS); i++){ |
586 | 1024 | lut_nmsedec_sig[i] = FFMAX((3 * i << (13 - NMSEDEC_FRACBITS)) - (9 << 11), 0); | |
587 | 1024 | lut_nmsedec_sig0[i] = FFMAX((i*i + (1<<NMSEDEC_FRACBITS-1) & mask) << 1, 0); | |
588 | |||
589 | 1024 | a = (i >> (NMSEDEC_BITS-2)&2) + 1; | |
590 | 1024 | lut_nmsedec_ref[i] = FFMAX((a - 2) * (i << (13 - NMSEDEC_FRACBITS)) + | |
591 | (1 << 13) - (a * a << 11), 0); | ||
592 | 1024 | lut_nmsedec_ref0[i] = FFMAX(((i * i - (i << NMSEDEC_BITS) + (1 << 2 * NMSEDEC_FRACBITS) + (1 << (NMSEDEC_FRACBITS - 1))) & mask) | |
593 | << 1, 0); | ||
594 | } | ||
595 | 8 | ff_jpeg2000_init_tier1_luts(); | |
596 | 8 | } | |
597 | |||
598 | /* tier-1 routines */ | ||
599 | 73779107 | static int getnmsedec_sig(int x, int bpno) | |
600 | { | ||
601 |
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73779107 | if (bpno > NMSEDEC_FRACBITS) |
602 | 57508511 | return lut_nmsedec_sig[(x >> (bpno - NMSEDEC_FRACBITS)) & ((1 << NMSEDEC_BITS) - 1)]; | |
603 | 16270596 | return lut_nmsedec_sig0[x & ((1 << NMSEDEC_BITS) - 1)]; | |
604 | } | ||
605 | |||
606 | 155371831 | static int getnmsedec_ref(int x, int bpno) | |
607 | { | ||
608 |
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155371831 | if (bpno > NMSEDEC_FRACBITS) |
609 | 97863320 | return lut_nmsedec_ref[(x >> (bpno - NMSEDEC_FRACBITS)) & ((1 << NMSEDEC_BITS) - 1)]; | |
610 | 57508511 | return lut_nmsedec_ref0[x & ((1 << NMSEDEC_BITS) - 1)]; | |
611 | } | ||
612 | |||
613 | 2341659 | static void encode_sigpass(Jpeg2000T1Context *t1, int width, int height, int bandno, int *nmsedec, int bpno) | |
614 | { | ||
615 | 2341659 | int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS); | |
616 |
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617 |
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618 |
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619 |
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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)){ |
620 | 163633824 | int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno), | |
621 | 163633824 | bit = t1->data[(y) * t1->stride + x] & mask ? 1 : 0; | |
622 | 163633824 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, bit); | |
623 |
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163633824 | if (bit){ |
624 | int xorbit; | ||
625 | 59386202 | int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit); | |
626 | 59386202 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit); | |
627 | 59386202 | *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS); | |
628 | 59386202 | ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15); | |
629 | } | ||
630 | 163633824 | t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_VIS; | |
631 | } | ||
632 | } | ||
633 | 2341659 | } | |
634 | |||
635 | 2341659 | static void encode_refpass(Jpeg2000T1Context *t1, int width, int height, int *nmsedec, int bpno) | |
636 | { | ||
637 | 2341659 | int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS); | |
638 |
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639 |
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640 |
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624667412 | for (y = y0; y < height && y < y0+4; y++) |
641 |
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499286005 | if ((t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS)) == JPEG2000_T1_SIG){ |
642 | 155371831 | int ctxno = ff_jpeg2000_getrefctxno(t1->flags[(y+1) * t1->stride + x+1]); | |
643 | 155371831 | *nmsedec += getnmsedec_ref(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS); | |
644 | 155371831 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0); | |
645 | 155371831 | t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_REF; | |
646 | } | ||
647 | 2341659 | } | |
648 | |||
649 | 2755058 | static void encode_clnpass(Jpeg2000T1Context *t1, int width, int height, int bandno, int *nmsedec, int bpno) | |
650 | { | ||
651 | 2755058 | int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS); | |
652 |
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653 |
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158157809 | for (x = 0; x < width; x++){ |
654 |
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148353906 | if (y0 + 3 < height && !( |
655 |
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147328814 | (t1->flags[(y0+1) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) || |
656 |
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57872409 | (t1->flags[(y0+2) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) || |
657 |
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52649523 | (t1->flags[(y0+3) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) || |
658 |
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48304510 | (t1->flags[(y0+4) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)))) |
659 | 3619464 | { | |
660 | // aggregation mode | ||
661 | int rlen; | ||
662 |
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221843104 | for (rlen = 0; rlen < 4; rlen++) |
663 |
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179323436 | if (t1->data[(y0+rlen) * t1->stride + x] & mask) |
664 | 3619464 | break; | |
665 | 46139132 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_RL, rlen != 4); | |
666 |
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46139132 | if (rlen == 4) |
667 | 42519668 | continue; | |
668 | 3619464 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_UNI, rlen >> 1); | |
669 | 3619464 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_UNI, rlen & 1); | |
670 |
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12472020 | for (y = y0 + rlen; y < y0 + 4; y++){ |
671 |
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8852556 | if (!(t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))){ |
672 | 8852556 | int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno); | |
673 |
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8852556 | if (y > y0 + rlen) |
674 | 5233092 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0); | |
675 |
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8852556 | if (t1->data[(y) * t1->stride + x] & mask){ // newly significant |
676 | int xorbit; | ||
677 | 4325058 | int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit); | |
678 | 4325058 | *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS); | |
679 | 4325058 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit); | |
680 | 4325058 | ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15); | |
681 | } | ||
682 | } | ||
683 | 8852556 | t1->flags[(y+1) * t1->stride + x+1] &= ~JPEG2000_T1_VIS; | |
684 | } | ||
685 | } else{ | ||
686 |
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508529450 | for (y = y0; y < y0 + 4 && y < height; y++){ |
687 |
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406314676 | if (!(t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))){ |
688 | 87309021 | int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno); | |
689 | 87309021 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0); | |
690 |
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87309021 | if (t1->data[(y) * t1->stride + x] & mask){ // newly significant |
691 | int xorbit; | ||
692 | 10067847 | int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit); | |
693 | 10067847 | *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS); | |
694 | 10067847 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit); | |
695 | 10067847 | ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15); | |
696 | } | ||
697 | } | ||
698 | 406314676 | t1->flags[(y+1) * t1->stride + x+1] &= ~JPEG2000_T1_VIS; | |
699 | } | ||
700 | } | ||
701 | } | ||
702 | 2755058 | } | |
703 | |||
704 | 413400 | static void encode_cblk(Jpeg2000EncoderContext *s, Jpeg2000T1Context *t1, Jpeg2000Cblk *cblk, Jpeg2000Tile *tile, | |
705 | int width, int height, int bandpos, int lev) | ||
706 | { | ||
707 | 413400 | int pass_t = 2, passno, x, y, max=0, nmsedec, bpno; | |
708 | 413400 | int64_t wmsedec = 0; | |
709 | |||
710 | 413400 | memset(t1->flags, 0, t1->stride * (height + 2) * sizeof(*t1->flags)); | |
711 | |||
712 |
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6372900 | for (y = 0; y < height; y++){ |
713 |
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|
97544700 | for (x = 0; x < width; x++){ |
714 |
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|
91585200 | if (t1->data[(y) * t1->stride + x] < 0){ |
715 | 35748311 | t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_SGN; | |
716 | 35748311 | t1->data[(y) * t1->stride + x] = -t1->data[(y) * t1->stride + x]; | |
717 | } | ||
718 | 91585200 | max = FFMAX(max, t1->data[(y) * t1->stride + x]); | |
719 | } | ||
720 | } | ||
721 | |||
722 |
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413400 | if (max == 0){ |
723 | 51 | cblk->nonzerobits = 0; | |
724 | 51 | bpno = 0; | |
725 | } else{ | ||
726 | 413349 | cblk->nonzerobits = av_log2(max) + 1 - NMSEDEC_FRACBITS; | |
727 | 413349 | bpno = cblk->nonzerobits - 1; | |
728 | } | ||
729 | |||
730 | 413400 | cblk->data[0] = 0; | |
731 | 413400 | ff_mqc_initenc(&t1->mqc, cblk->data + 1); | |
732 | |||
733 |
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7851776 | for (passno = 0; bpno >= 0; passno++){ |
734 | 7438376 | nmsedec=0; | |
735 | |||
736 |
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7438376 | switch(pass_t){ |
737 | 2341659 | case 0: encode_sigpass(t1, width, height, bandpos, &nmsedec, bpno); | |
738 | 2341659 | break; | |
739 | 2341659 | case 1: encode_refpass(t1, width, height, &nmsedec, bpno); | |
740 | 2341659 | break; | |
741 | 2755058 | case 2: encode_clnpass(t1, width, height, bandpos, &nmsedec, bpno); | |
742 | 2755058 | break; | |
743 | } | ||
744 | |||
745 | 7438376 | cblk->passes[passno].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno].flushed, &cblk->passes[passno].flushed_len); | |
746 | 7438376 | cblk->passes[passno].rate -= cblk->passes[passno].flushed_len; | |
747 | |||
748 | 7438376 | wmsedec += (int64_t)nmsedec << (2*bpno); | |
749 | 7438376 | cblk->passes[passno].disto = wmsedec; | |
750 | |||
751 |
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7438376 | if (++pass_t == 3){ |
752 | 2755058 | pass_t = 0; | |
753 | 2755058 | bpno--; | |
754 | } | ||
755 | } | ||
756 | 413400 | cblk->npasses = passno; | |
757 | 413400 | cblk->ninclpasses = passno; | |
758 | |||
759 |
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413400 | if (passno) { |
760 | 413399 | cblk->passes[passno-1].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno-1].flushed, &cblk->passes[passno-1].flushed_len); | |
761 | 413399 | cblk->passes[passno-1].rate -= cblk->passes[passno-1].flushed_len; | |
762 | } | ||
763 | 413400 | } | |
764 | |||
765 | /* tier-2 routines: */ | ||
766 | |||
767 | 380616 | static void putnumpasses(Jpeg2000EncoderContext *s, int n) | |
768 | { | ||
769 |
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380616 | if (n == 1) |
770 | 45405 | put_num(s, 0, 1); | |
771 |
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335211 | else if (n == 2) |
772 | 13331 | put_num(s, 2, 2); | |
773 |
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321880 | else if (n <= 5) |
774 | 111816 | put_num(s, 0xc | (n-3), 4); | |
775 |
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|
210064 | else if (n <= 36) |
776 | 210061 | put_num(s, 0x1e0 | (n-6), 9); | |
777 | else | ||
778 | 3 | put_num(s, 0xff80 | (n-37), 16); | |
779 | 380616 | } | |
780 | |||
781 | |||
782 | 27300 | static int encode_packet(Jpeg2000EncoderContext *s, Jpeg2000ResLevel *rlevel, int layno, | |
783 | int precno, uint8_t *expn, int numgbits, int packetno, | ||
784 | int nlayers) | ||
785 | { | ||
786 | 27300 | int bandno, empty = 1; | |
787 | int i; | ||
788 | // init bitstream | ||
789 | 27300 | *s->buf = 0; | |
790 | 27300 | s->bit_index = 0; | |
791 | |||
792 |
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27300 | if (s->sop) { |
793 | ✗ | bytestream_put_be16(&s->buf, JPEG2000_SOP); | |
794 | ✗ | bytestream_put_be16(&s->buf, 4); | |
795 | ✗ | bytestream_put_be16(&s->buf, packetno); | |
796 | } | ||
797 | // header | ||
798 | |||
799 |
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|
27300 | if (!layno) { |
800 |
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101400 | for (bandno = 0; bandno < rlevel->nbands; bandno++) { |
801 | 74100 | Jpeg2000Band *band = rlevel->band + bandno; | |
802 |
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74100 | if (band->coord[0][0] < band->coord[0][1] |
803 |
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74100 | && band->coord[1][0] < band->coord[1][1]) { |
804 | 70500 | Jpeg2000Prec *prec = band->prec + precno; | |
805 | 70500 | int nb_cblks = prec->nb_codeblocks_height * prec->nb_codeblocks_width; | |
806 | int pos; | ||
807 | 70500 | ff_tag_tree_zero(prec->zerobits, prec->nb_codeblocks_width, prec->nb_codeblocks_height, 99); | |
808 | 70500 | ff_tag_tree_zero(prec->cblkincl, prec->nb_codeblocks_width, prec->nb_codeblocks_height, 99); | |
809 |
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483900 | for (pos = 0; pos < nb_cblks; pos++) { |
810 | 413400 | Jpeg2000Cblk *cblk = &prec->cblk[pos]; | |
811 | 413400 | prec->zerobits[pos].val = expn[bandno] + numgbits - 1 - cblk->nonzerobits; | |
812 | 413400 | cblk->incl = 0; | |
813 | 413400 | cblk->lblock = 3; | |
814 | 413400 | tag_tree_update(prec->zerobits + pos); | |
815 |
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446184 | for (i = 0; i < nlayers; i++) { |
816 |
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413400 | if (cblk->layers[i].npasses > 0) { |
817 | 380616 | prec->cblkincl[pos].val = i; | |
818 | 380616 | break; | |
819 | } | ||
820 | } | ||
821 |
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413400 | if (i == nlayers) |
822 | 32784 | prec->cblkincl[pos].val = i; | |
823 | 413400 | tag_tree_update(prec->cblkincl + pos); | |
824 | } | ||
825 | } | ||
826 | } | ||
827 | } | ||
828 | |||
829 | // is the packet empty? | ||
830 |
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27309 | for (bandno = 0; bandno < rlevel->nbands; bandno++){ |
831 | 27309 | Jpeg2000Band *band = rlevel->band + bandno; | |
832 |
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27309 | if (band->coord[0][0] < band->coord[0][1] |
833 |
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27309 | && band->coord[1][0] < band->coord[1][1]) { |
834 | 27309 | Jpeg2000Prec *prec = band->prec + precno; | |
835 | 27309 | int nb_cblks = prec->nb_codeblocks_height * prec->nb_codeblocks_width; | |
836 | int pos; | ||
837 |
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27563 | for (pos = 0; pos < nb_cblks; pos++) { |
838 | 27554 | Jpeg2000Cblk *cblk = &prec->cblk[pos]; | |
839 |
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27554 | if (cblk->layers[layno].npasses) { |
840 | 27300 | empty = 0; | |
841 | 27300 | break; | |
842 | } | ||
843 | } | ||
844 |
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27309 | if (!empty) |
845 | 27300 | break; | |
846 | } | ||
847 | } | ||
848 | |||
849 | 27300 | put_bits(s, !empty, 1); | |
850 |
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27300 | if (empty){ |
851 | ✗ | j2k_flush(s); | |
852 | ✗ | if (s->eph) | |
853 | ✗ | bytestream_put_be16(&s->buf, JPEG2000_EPH); | |
854 | ✗ | return 0; | |
855 | } | ||
856 | |||
857 |
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101400 | for (bandno = 0; bandno < rlevel->nbands; bandno++) { |
858 | 74100 | Jpeg2000Band *band = rlevel->band + bandno; | |
859 | 74100 | Jpeg2000Prec *prec = band->prec + precno; | |
860 | int yi, xi, pos; | ||
861 | 74100 | int cblknw = prec->nb_codeblocks_width; | |
862 | |||
863 |
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74100 | if (band->coord[0][0] == band->coord[0][1] |
864 |
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74100 | || band->coord[1][0] == band->coord[1][1]) |
865 | 3600 | continue; | |
866 | |||
867 |
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201300 | for (pos=0, yi = 0; yi < prec->nb_codeblocks_height; yi++) { |
868 |
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544200 | for (xi = 0; xi < cblknw; xi++, pos++){ |
869 | 413400 | int llen = 0, length; | |
870 | 413400 | Jpeg2000Cblk *cblk = prec->cblk + yi * cblknw + xi; | |
871 | |||
872 |
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413400 | if (s->buf_end - s->buf < 20) // approximately |
873 | ✗ | return -1; | |
874 | |||
875 | // inclusion information | ||
876 |
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413400 | if (!cblk->incl) |
877 | 413400 | tag_tree_code(s, prec->cblkincl + pos, layno + 1); | |
878 | else { | ||
879 | ✗ | put_bits(s, cblk->layers[layno].npasses > 0, 1); | |
880 | } | ||
881 | |||
882 |
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413400 | if (!cblk->layers[layno].npasses) |
883 | 32784 | continue; | |
884 | |||
885 | // zerobits information | ||
886 |
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380616 | if (!cblk->incl) { |
887 | 380616 | tag_tree_code(s, prec->zerobits + pos, 100); | |
888 | 380616 | cblk->incl = 1; | |
889 | } | ||
890 | |||
891 | // number of passes | ||
892 | 380616 | putnumpasses(s, cblk->layers[layno].npasses); | |
893 | |||
894 | 380616 | length = cblk->layers[layno].data_len; | |
895 |
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380616 | if (layno == nlayers - 1 && cblk->layers[layno].cum_passes){ |
896 | 380616 | length += cblk->passes[cblk->layers[layno].cum_passes-1].flushed_len; | |
897 | } | ||
898 |
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380616 | if (cblk->lblock + av_log2(cblk->layers[layno].npasses) < av_log2(length) + 1) { |
899 | 113187 | llen = av_log2(length) + 1 - cblk->lblock - av_log2(cblk->layers[layno].npasses); | |
900 | } | ||
901 | |||
902 | // length of code block | ||
903 | 380616 | cblk->lblock += llen; | |
904 | 380616 | put_bits(s, 1, llen); | |
905 | 380616 | put_bits(s, 0, 1); | |
906 | 380616 | put_num(s, length, cblk->lblock + av_log2(cblk->layers[layno].npasses)); | |
907 | } | ||
908 | } | ||
909 | } | ||
910 | 27300 | j2k_flush(s); | |
911 |
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|
27300 | if (s->eph) { |
912 | ✗ | bytestream_put_be16(&s->buf, JPEG2000_EPH); | |
913 | } | ||
914 | |||
915 |
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101400 | for (bandno = 0; bandno < rlevel->nbands; bandno++) { |
916 | 74100 | Jpeg2000Band *band = rlevel->band + bandno; | |
917 | 74100 | Jpeg2000Prec *prec = band->prec + precno; | |
918 | 74100 | int yi, cblknw = prec->nb_codeblocks_width; | |
919 |
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208500 | for (yi =0; yi < prec->nb_codeblocks_height; yi++) { |
920 | int xi; | ||
921 |
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551400 | for (xi = 0; xi < cblknw; xi++){ |
922 | 417000 | Jpeg2000Cblk *cblk = prec->cblk + yi * cblknw + xi; | |
923 |
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417000 | if (cblk->layers[layno].npasses) { |
924 |
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380616 | if (s->buf_end - s->buf < cblk->layers[layno].data_len + 2) |
925 | ✗ | return -1; | |
926 | 380616 | bytestream_put_buffer(&s->buf, cblk->layers[layno].data_start + 1, cblk->layers[layno].data_len); | |
927 |
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380616 | if (layno == nlayers - 1 && cblk->layers[layno].cum_passes) { |
928 | 380616 | bytestream_put_buffer(&s->buf, cblk->passes[cblk->layers[layno].cum_passes-1].flushed, | |
929 | 380616 | cblk->passes[cblk->layers[layno].cum_passes-1].flushed_len); | |
930 | } | ||
931 | } | ||
932 | } | ||
933 | } | ||
934 | } | ||
935 | 27300 | return 0; | |
936 | } | ||
937 | |||
938 | 1300 | static int encode_packets(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno, int nlayers) | |
939 | { | ||
940 | int compno, reslevelno, layno, ret; | ||
941 | 1300 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
942 | 1300 | Jpeg2000QuantStyle *qntsty = &s->qntsty; | |
943 | 1300 | int packetno = 0; | |
944 | int step_x, step_y; | ||
945 | int x, y; | ||
946 | int tile_coord[2][2]; | ||
947 | 1300 | int col = tileno % s->numXtiles; | |
948 | 1300 | int row = tileno / s->numXtiles; | |
949 | |||
950 | 1300 | tile_coord[0][0] = col * s->tile_width; | |
951 | 1300 | tile_coord[0][1] = FFMIN(tile_coord[0][0] + s->tile_width, s->width); | |
952 | 1300 | tile_coord[1][0] = row * s->tile_height; | |
953 | 1300 | tile_coord[1][1] = FFMIN(tile_coord[1][0] + s->tile_height, s->height); | |
954 | |||
955 | 1300 | av_log(s->avctx, AV_LOG_DEBUG, "tier2\n"); | |
956 | // lay-rlevel-comp-pos progression | ||
957 |
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1300 | switch (s->prog) { |
958 | 1300 | case JPEG2000_PGOD_LRCP: | |
959 |
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2600 | for (layno = 0; layno < nlayers; layno++) { |
960 |
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10400 | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){ |
961 |
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36400 | for (compno = 0; compno < s->ncomponents; compno++){ |
962 | int precno; | ||
963 | 27300 | Jpeg2000ResLevel *reslevel = s->tile[tileno].comp[compno].reslevel + reslevelno; | |
964 |
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54600 | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ |
965 |
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27300 | if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), |
966 |
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27300 | qntsty->nguardbits, packetno++, nlayers)) < 0) |
967 | ✗ | return ret; | |
968 | } | ||
969 | } | ||
970 | } | ||
971 | } | ||
972 | 1300 | break; | |
973 | ✗ | case JPEG2000_PGOD_RLCP: | |
974 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){ | |
975 | ✗ | for (layno = 0; layno < nlayers; layno++) { | |
976 | ✗ | for (compno = 0; compno < s->ncomponents; compno++){ | |
977 | int precno; | ||
978 | ✗ | Jpeg2000ResLevel *reslevel = s->tile[tileno].comp[compno].reslevel + reslevelno; | |
979 | ✗ | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ | |
980 | ✗ | if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), | |
981 | ✗ | qntsty->nguardbits, packetno++, nlayers)) < 0) | |
982 | ✗ | return ret; | |
983 | } | ||
984 | } | ||
985 | } | ||
986 | } | ||
987 | ✗ | break; | |
988 | ✗ | case JPEG2000_PGOD_RPCL: | |
989 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) { | |
990 | int precno; | ||
991 | ✗ | step_x = 30; | |
992 | ✗ | step_y = 30; | |
993 | ✗ | for (compno = 0; compno < s->ncomponents; compno++) { | |
994 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
995 | ✗ | if (reslevelno < codsty->nreslevels) { | |
996 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
997 | ✗ | Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno; | |
998 | ✗ | step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno); | |
999 | ✗ | step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno); | |
1000 | } | ||
1001 | } | ||
1002 | |||
1003 | ✗ | step_x = 1<<step_x; | |
1004 | ✗ | step_y = 1<<step_y; | |
1005 | ✗ | for (y = tile_coord[1][0]; y < tile_coord[1][1]; y = (y/step_y + 1)*step_y) { | |
1006 | ✗ | for (x = tile_coord[0][0]; x < tile_coord[0][1]; x = (x/step_x + 1)*step_x) { | |
1007 | ✗ | for (compno = 0; compno < s->ncomponents; compno++) { | |
1008 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
1009 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
1010 | ✗ | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1011 | ✗ | int log_subsampling[2] = { compno?s->chroma_shift[0]:0, compno?s->chroma_shift[1]:0}; | |
1012 | unsigned prcx, prcy; | ||
1013 | int trx0, try0; | ||
1014 | |||
1015 | ✗ | trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno); | |
1016 | ✗ | try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno); | |
1017 | |||
1018 | ✗ | if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 || | |
1019 | ✗ | (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height))))) | |
1020 | ✗ | continue; | |
1021 | |||
1022 | ✗ | if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 || | |
1023 | ✗ | (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width))))) | |
1024 | ✗ | continue; | |
1025 | |||
1026 | // check if a precinct exists | ||
1027 | ✗ | prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width; | |
1028 | ✗ | prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height; | |
1029 | ✗ | prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width; | |
1030 | ✗ | prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height; | |
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_PCRL: | |
1049 | ✗ | step_x = 32; | |
1050 | ✗ | step_y = 32; | |
1051 | ✗ | for (compno = 0; compno < s->ncomponents; compno++) { | |
1052 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
1053 | |||
1054 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) { | |
1055 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
1056 | ✗ | Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno; | |
1057 | ✗ | step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno); | |
1058 | ✗ | step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno); | |
1059 | } | ||
1060 | } | ||
1061 | ✗ | if (step_x >= 31 || step_y >= 31){ | |
1062 | ✗ | avpriv_request_sample(s->avctx, "PCRL 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 (compno = 0; compno < s->ncomponents; compno++) { | |
1071 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
1072 | ✗ | int log_subsampling[2] = { compno?s->chroma_shift[0]:0, compno?s->chroma_shift[1]:0}; | |
1073 | |||
1074 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) { | |
1075 | unsigned prcx, prcy; | ||
1076 | int precno; | ||
1077 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
1078 | ✗ | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1079 | int trx0, try0; | ||
1080 | |||
1081 | ✗ | trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno); | |
1082 | ✗ | try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno); | |
1083 | |||
1084 | ✗ | if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 || | |
1085 | ✗ | (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height))))) | |
1086 | ✗ | continue; | |
1087 | |||
1088 | ✗ | if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 || | |
1089 | ✗ | (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width))))) | |
1090 | ✗ | continue; | |
1091 | |||
1092 | // check if a precinct exists | ||
1093 | ✗ | prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width; | |
1094 | ✗ | prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height; | |
1095 | ✗ | prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width; | |
1096 | ✗ | prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height; | |
1097 | |||
1098 | ✗ | precno = prcx + reslevel->num_precincts_x * prcy; | |
1099 | |||
1100 | ✗ | if (prcx >= reslevel->num_precincts_x || prcy >= reslevel->num_precincts_y) { | |
1101 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n", | |
1102 | prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y); | ||
1103 | ✗ | continue; | |
1104 | } | ||
1105 | ✗ | for (layno = 0; layno < nlayers; layno++) { | |
1106 | ✗ | if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), | |
1107 | ✗ | qntsty->nguardbits, packetno++, nlayers)) < 0) | |
1108 | ✗ | return ret; | |
1109 | } | ||
1110 | } | ||
1111 | } | ||
1112 | } | ||
1113 | } | ||
1114 | ✗ | break; | |
1115 | ✗ | case JPEG2000_PGOD_CPRL: | |
1116 | ✗ | for (compno = 0; compno < s->ncomponents; compno++) { | |
1117 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
1118 | ✗ | int log_subsampling[2] = { compno?s->chroma_shift[0]:0, compno?s->chroma_shift[1]:0}; | |
1119 | ✗ | step_x = 32; | |
1120 | ✗ | step_y = 32; | |
1121 | |||
1122 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) { | |
1123 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
1124 | ✗ | Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno; | |
1125 | ✗ | step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno); | |
1126 | ✗ | step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno); | |
1127 | } | ||
1128 | ✗ | if (step_x >= 31 || step_y >= 31){ | |
1129 | ✗ | avpriv_request_sample(s->avctx, "CPRL with large step"); | |
1130 | ✗ | return AVERROR_PATCHWELCOME; | |
1131 | } | ||
1132 | ✗ | step_x = 1<<step_x; | |
1133 | ✗ | step_y = 1<<step_y; | |
1134 | |||
1135 | ✗ | for (y = tile_coord[1][0]; y < tile_coord[1][1]; y = (y/step_y + 1)*step_y) { | |
1136 | ✗ | for (x = tile_coord[0][0]; x < tile_coord[0][1]; x = (x/step_x + 1)*step_x) { | |
1137 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) { | |
1138 | unsigned prcx, prcy; | ||
1139 | int precno; | ||
1140 | int trx0, try0; | ||
1141 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
1142 | ✗ | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1143 | |||
1144 | ✗ | trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno); | |
1145 | ✗ | try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno); | |
1146 | |||
1147 | ✗ | if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 || | |
1148 | ✗ | (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height))))) | |
1149 | ✗ | continue; | |
1150 | |||
1151 | ✗ | if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 || | |
1152 | ✗ | (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width))))) | |
1153 | ✗ | continue; | |
1154 | |||
1155 | // check if a precinct exists | ||
1156 | ✗ | prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width; | |
1157 | ✗ | prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height; | |
1158 | ✗ | prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width; | |
1159 | ✗ | prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height; | |
1160 | |||
1161 | ✗ | precno = prcx + reslevel->num_precincts_x * prcy; | |
1162 | |||
1163 | ✗ | if (prcx >= reslevel->num_precincts_x || prcy >= reslevel->num_precincts_y) { | |
1164 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n", | |
1165 | prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y); | ||
1166 | ✗ | continue; | |
1167 | } | ||
1168 | ✗ | for (layno = 0; layno < nlayers; layno++) { | |
1169 | ✗ | if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), | |
1170 | ✗ | qntsty->nguardbits, packetno++, nlayers)) < 0) | |
1171 | ✗ | return ret; | |
1172 | } | ||
1173 | } | ||
1174 | } | ||
1175 | } | ||
1176 | } | ||
1177 | |||
1178 | } | ||
1179 | |||
1180 | 1300 | av_log(s->avctx, AV_LOG_DEBUG, "after tier2\n"); | |
1181 | 1300 | return 0; | |
1182 | } | ||
1183 | |||
1184 | ✗ | static void makelayer(Jpeg2000EncoderContext *s, int layno, double thresh, Jpeg2000Tile* tile, int final) | |
1185 | { | ||
1186 | int compno, resno, bandno, precno, cblkno; | ||
1187 | int passno; | ||
1188 | |||
1189 | ✗ | for (compno = 0; compno < s->ncomponents; compno++) { | |
1190 | ✗ | Jpeg2000Component *comp = &tile->comp[compno]; | |
1191 | |||
1192 | ✗ | for (resno = 0; resno < s->codsty.nreslevels; resno++) { | |
1193 | ✗ | Jpeg2000ResLevel *reslevel = comp->reslevel + resno; | |
1194 | |||
1195 | ✗ | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ | |
1196 | ✗ | for (bandno = 0; bandno < reslevel->nbands ; bandno++){ | |
1197 | ✗ | Jpeg2000Band *band = reslevel->band + bandno; | |
1198 | ✗ | Jpeg2000Prec *prec = band->prec + precno; | |
1199 | |||
1200 | ✗ | for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){ | |
1201 | ✗ | Jpeg2000Cblk *cblk = prec->cblk + cblkno; | |
1202 | ✗ | Jpeg2000Layer *layer = &cblk->layers[layno]; | |
1203 | int n; | ||
1204 | |||
1205 | ✗ | if (layno == 0) { | |
1206 | ✗ | cblk->ninclpasses = 0; | |
1207 | } | ||
1208 | |||
1209 | ✗ | n = cblk->ninclpasses; | |
1210 | |||
1211 | ✗ | if (thresh < 0) { | |
1212 | ✗ | n = cblk->npasses; | |
1213 | } else { | ||
1214 | ✗ | for (passno = cblk->ninclpasses; passno < cblk->npasses; passno++) { | |
1215 | int32_t dr; | ||
1216 | double dd; | ||
1217 | ✗ | Jpeg2000Pass *pass = &cblk->passes[passno]; | |
1218 | |||
1219 | ✗ | if (n == 0) { | |
1220 | ✗ | dr = pass->rate; | |
1221 | ✗ | dd = pass->disto; | |
1222 | } else { | ||
1223 | ✗ | dr = pass->rate - cblk->passes[n - 1].rate; | |
1224 | ✗ | dd = pass->disto - cblk->passes[n-1].disto; | |
1225 | } | ||
1226 | |||
1227 | ✗ | if (!dr) { | |
1228 | ✗ | if (dd != 0.0) { | |
1229 | ✗ | n = passno + 1; | |
1230 | } | ||
1231 | ✗ | continue; | |
1232 | } | ||
1233 | |||
1234 | ✗ | if (thresh - (dd / dr) < DBL_EPSILON) | |
1235 | ✗ | n = passno + 1; | |
1236 | } | ||
1237 | } | ||
1238 | ✗ | layer->npasses = n - cblk->ninclpasses; | |
1239 | ✗ | layer->cum_passes = n; | |
1240 | |||
1241 | ✗ | if (layer->npasses == 0) { | |
1242 | ✗ | layer->disto = 0; | |
1243 | ✗ | layer->data_len = 0; | |
1244 | ✗ | continue; | |
1245 | } | ||
1246 | |||
1247 | ✗ | if (cblk->ninclpasses == 0) { | |
1248 | ✗ | layer->data_len = cblk->passes[n - 1].rate; | |
1249 | ✗ | layer->data_start = cblk->data; | |
1250 | ✗ | layer->disto = cblk->passes[n - 1].disto; | |
1251 | } else { | ||
1252 | ✗ | layer->data_len = cblk->passes[n - 1].rate - cblk->passes[cblk->ninclpasses - 1].rate; | |
1253 | ✗ | layer->data_start = cblk->data + cblk->passes[cblk->ninclpasses - 1].rate; | |
1254 | ✗ | layer->disto = cblk->passes[n - 1].disto - | |
1255 | ✗ | cblk->passes[cblk->ninclpasses - 1].disto; | |
1256 | } | ||
1257 | ✗ | if (final) { | |
1258 | ✗ | cblk->ninclpasses = n; | |
1259 | } | ||
1260 | } | ||
1261 | } | ||
1262 | } | ||
1263 | } | ||
1264 | } | ||
1265 | } | ||
1266 | |||
1267 | ✗ | static void makelayers(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile) | |
1268 | { | ||
1269 | int precno, compno, reslevelno, bandno, cblkno, lev, passno, layno; | ||
1270 | int i; | ||
1271 | ✗ | double min = DBL_MAX; | |
1272 | ✗ | double max = 0; | |
1273 | double thresh; | ||
1274 | |||
1275 | ✗ | Jpeg2000CodingStyle *codsty = &s->codsty; | |
1276 | |||
1277 | ✗ | for (compno = 0; compno < s->ncomponents; compno++){ | |
1278 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
1279 | |||
1280 | ✗ | for (reslevelno = 0, lev = codsty->nreslevels-1; reslevelno < codsty->nreslevels; reslevelno++, lev--){ | |
1281 | ✗ | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1282 | |||
1283 | ✗ | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ | |
1284 | ✗ | for (bandno = 0; bandno < reslevel->nbands ; bandno++){ | |
1285 | ✗ | Jpeg2000Band *band = reslevel->band + bandno; | |
1286 | ✗ | Jpeg2000Prec *prec = band->prec + precno; | |
1287 | |||
1288 | ✗ | for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){ | |
1289 | ✗ | Jpeg2000Cblk *cblk = prec->cblk + cblkno; | |
1290 | ✗ | for (passno = 0; passno < cblk->npasses; passno++) { | |
1291 | ✗ | Jpeg2000Pass *pass = &cblk->passes[passno]; | |
1292 | int dr; | ||
1293 | double dd, drslope; | ||
1294 | |||
1295 | ✗ | if (passno == 0) { | |
1296 | ✗ | dr = (int32_t)pass->rate; | |
1297 | ✗ | dd = pass->disto; | |
1298 | } else { | ||
1299 | ✗ | dr = (int32_t)(pass->rate - cblk->passes[passno - 1].rate); | |
1300 | ✗ | dd = pass->disto - cblk->passes[passno - 1].disto; | |
1301 | } | ||
1302 | |||
1303 | ✗ | if (dr <= 0) | |
1304 | ✗ | continue; | |
1305 | |||
1306 | ✗ | drslope = dd / dr; | |
1307 | ✗ | if (drslope < min) | |
1308 | ✗ | min = drslope; | |
1309 | |||
1310 | ✗ | if (drslope > max) | |
1311 | ✗ | max = drslope; | |
1312 | } | ||
1313 | } | ||
1314 | } | ||
1315 | } | ||
1316 | } | ||
1317 | } | ||
1318 | |||
1319 | ✗ | for (layno = 0; layno < s->nlayers; layno++) { | |
1320 | ✗ | double lo = min; | |
1321 | ✗ | double hi = max; | |
1322 | ✗ | double stable_thresh = 0.0; | |
1323 | ✗ | double good_thresh = 0.0; | |
1324 | ✗ | if (!s->layer_rates[layno]) { | |
1325 | ✗ | good_thresh = -1.0; | |
1326 | } else { | ||
1327 | ✗ | for (i = 0; i < 128; i++) { | |
1328 | ✗ | uint8_t *stream_pos = s->buf; | |
1329 | int ret; | ||
1330 | ✗ | thresh = (lo + hi) / 2; | |
1331 | ✗ | makelayer(s, layno, thresh, tile, 0); | |
1332 | ✗ | ret = encode_packets(s, tile, (int)(tile - s->tile), layno + 1); | |
1333 | ✗ | memset(stream_pos, 0, s->buf - stream_pos); | |
1334 | ✗ | if ((s->buf - stream_pos > ceil(tile->layer_rates[layno])) || ret < 0) { | |
1335 | ✗ | lo = thresh; | |
1336 | ✗ | s->buf = stream_pos; | |
1337 | ✗ | continue; | |
1338 | } | ||
1339 | ✗ | hi = thresh; | |
1340 | ✗ | stable_thresh = thresh; | |
1341 | ✗ | s->buf = stream_pos; | |
1342 | } | ||
1343 | } | ||
1344 | ✗ | if (good_thresh >= 0.0) | |
1345 | ✗ | good_thresh = stable_thresh == 0.0 ? thresh : stable_thresh; | |
1346 | ✗ | makelayer(s, layno, good_thresh, tile, 1); | |
1347 | } | ||
1348 | } | ||
1349 | |||
1350 | 417000 | static int getcut(Jpeg2000Cblk *cblk, int64_t lambda, int dwt_norm) | |
1351 | { | ||
1352 | 417000 | int passno, res = 0; | |
1353 |
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7855376 | for (passno = 0; passno < cblk->npasses; passno++){ |
1354 | int dr; | ||
1355 | int64_t dd; | ||
1356 | |||
1357 | 14876752 | dr = cblk->passes[passno].rate | |
1358 |
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7438376 | - (res ? cblk->passes[res-1].rate : 0); |
1359 | 14876752 | dd = cblk->passes[passno].disto | |
1360 |
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7438376 | - (res ? cblk->passes[res-1].disto : 0); |
1361 | |||
1362 |
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|
7438376 | if (((dd * dwt_norm) >> WMSEDEC_SHIFT) * dwt_norm >= dr * lambda) |
1363 | 2587785 | res = passno+1; | |
1364 | } | ||
1365 | 417000 | return res; | |
1366 | } | ||
1367 | |||
1368 | 1300 | static void truncpasses(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile) | |
1369 | { | ||
1370 | int precno, compno, reslevelno, bandno, cblkno, lev; | ||
1371 | 1300 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
1372 | |||
1373 |
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|
5200 | for (compno = 0; compno < s->ncomponents; compno++){ |
1374 | 3900 | Jpeg2000Component *comp = tile->comp + compno; | |
1375 | |||
1376 |
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|
31200 | for (reslevelno = 0, lev = codsty->nreslevels-1; reslevelno < codsty->nreslevels; reslevelno++, lev--){ |
1377 | 27300 | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1378 | |||
1379 |
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54600 | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ |
1380 |
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101400 | for (bandno = 0; bandno < reslevel->nbands ; bandno++){ |
1381 | 74100 | int bandpos = bandno + (reslevelno > 0); | |
1382 | 74100 | Jpeg2000Band *band = reslevel->band + bandno; | |
1383 | 74100 | Jpeg2000Prec *prec = band->prec + precno; | |
1384 | |||
1385 |
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491100 | for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){ |
1386 | 417000 | Jpeg2000Cblk *cblk = prec->cblk + cblkno; | |
1387 | |||
1388 | 834000 | cblk->ninclpasses = getcut(cblk, s->lambda, | |
1389 | 417000 | (int64_t)dwt_norms[codsty->transform == FF_DWT53][bandpos][lev] * (int64_t)band->i_stepsize >> 15); | |
1390 | 417000 | cblk->layers[0].data_start = cblk->data; | |
1391 | 417000 | cblk->layers[0].cum_passes = cblk->ninclpasses; | |
1392 | 417000 | cblk->layers[0].npasses = cblk->ninclpasses; | |
1393 |
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417000 | if (cblk->ninclpasses) |
1394 | 380616 | cblk->layers[0].data_len = cblk->passes[cblk->ninclpasses - 1].rate; | |
1395 | } | ||
1396 | } | ||
1397 | } | ||
1398 | } | ||
1399 | } | ||
1400 | 1300 | } | |
1401 | |||
1402 | 1300 | static int encode_tile(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno) | |
1403 | { | ||
1404 | int compno, reslevelno, bandno, ret; | ||
1405 | Jpeg2000T1Context t1; | ||
1406 | 1300 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
1407 |
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5200 | for (compno = 0; compno < s->ncomponents; compno++){ |
1408 | 3900 | Jpeg2000Component *comp = s->tile[tileno].comp + compno; | |
1409 | |||
1410 | 3900 | t1.stride = (1<<codsty->log2_cblk_width) + 2; | |
1411 | |||
1412 | 3900 | av_log(s->avctx, AV_LOG_DEBUG,"dwt\n"); | |
1413 |
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|
3900 | if ((ret = ff_dwt_encode(&comp->dwt, comp->i_data)) < 0) |
1414 | ✗ | return ret; | |
1415 | 3900 | av_log(s->avctx, AV_LOG_DEBUG,"after dwt -> tier1\n"); | |
1416 | |||
1417 |
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|
31200 | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){ |
1418 | 27300 | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1419 | |||
1420 |
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101400 | for (bandno = 0; bandno < reslevel->nbands ; bandno++){ |
1421 | 74100 | Jpeg2000Band *band = reslevel->band + bandno; | |
1422 | 74100 | Jpeg2000Prec *prec = band->prec; // we support only 1 precinct per band ATM in the encoder | |
1423 | 74100 | int cblkx, cblky, cblkno=0, xx0, x0, xx1, y0, yy0, yy1, bandpos; | |
1424 |
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|
74100 | yy0 = bandno == 0 ? 0 : comp->reslevel[reslevelno-1].coord[1][1] - comp->reslevel[reslevelno-1].coord[1][0]; |
1425 | 74100 | y0 = yy0; | |
1426 |
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|
74100 | yy1 = FFMIN(ff_jpeg2000_ceildivpow2(band->coord[1][0] + 1, band->log2_cblk_height) << band->log2_cblk_height, |
1427 | 74100 | band->coord[1][1]) - band->coord[1][0] + yy0; | |
1428 | |||
1429 |
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|
74100 | if (band->coord[0][0] == band->coord[0][1] || band->coord[1][0] == band->coord[1][1]) |
1430 | 3600 | continue; | |
1431 | |||
1432 | 70500 | bandpos = bandno + (reslevelno > 0); | |
1433 | |||
1434 |
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201300 | for (cblky = 0; cblky < prec->nb_codeblocks_height; cblky++){ |
1435 |
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|
130800 | if (reslevelno == 0 || bandno == 1) |
1436 | 45600 | xx0 = 0; | |
1437 | else | ||
1438 | 85200 | xx0 = comp->reslevel[reslevelno-1].coord[0][1] - comp->reslevel[reslevelno-1].coord[0][0]; | |
1439 | 130800 | x0 = xx0; | |
1440 |
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|
130800 | xx1 = FFMIN(ff_jpeg2000_ceildivpow2(band->coord[0][0] + 1, band->log2_cblk_width) << band->log2_cblk_width, |
1441 | 130800 | band->coord[0][1]) - band->coord[0][0] + xx0; | |
1442 | |||
1443 |
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|
544200 | for (cblkx = 0; cblkx < prec->nb_codeblocks_width; cblkx++, cblkno++){ |
1444 | int y, x; | ||
1445 |
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|
413400 | if (codsty->transform == FF_DWT53){ |
1446 |
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|
3186450 | for (y = yy0; y < yy1; y++){ |
1447 | 2979750 | int *ptr = t1.data + (y-yy0)*t1.stride; | |
1448 |
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|
48772350 | for (x = xx0; x < xx1; x++){ |
1449 | 45792600 | *ptr++ = comp->i_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x] * (1 << NMSEDEC_FRACBITS); | |
1450 | } | ||
1451 | } | ||
1452 | } else{ | ||
1453 |
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|
3186450 | for (y = yy0; y < yy1; y++){ |
1454 | 2979750 | int *ptr = t1.data + (y-yy0)*t1.stride; | |
1455 |
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48772350 | for (x = xx0; x < xx1; x++){ |
1456 | 45792600 | *ptr = (comp->i_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x]); | |
1457 | 45792600 | *ptr = (int64_t)*ptr * (int64_t)(16384 * 65536 / band->i_stepsize) >> 15 - NMSEDEC_FRACBITS; | |
1458 | 45792600 | ptr++; | |
1459 | } | ||
1460 | } | ||
1461 | } | ||
1462 |
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413400 | if (!prec->cblk[cblkno].data) |
1463 | 8268 | prec->cblk[cblkno].data = av_malloc(1 + 8192); | |
1464 |
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|
413400 | if (!prec->cblk[cblkno].passes) |
1465 | 8268 | prec->cblk[cblkno].passes = av_malloc_array(JPEG2000_MAX_PASSES, sizeof (*prec->cblk[cblkno].passes)); | |
1466 |
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|
413400 | if (!prec->cblk[cblkno].data || !prec->cblk[cblkno].passes) |
1467 | ✗ | return AVERROR(ENOMEM); | |
1468 | 413400 | encode_cblk(s, &t1, prec->cblk + cblkno, tile, xx1 - xx0, yy1 - yy0, | |
1469 | 413400 | bandpos, codsty->nreslevels - reslevelno - 1); | |
1470 | 413400 | xx0 = xx1; | |
1471 | 413400 | xx1 = FFMIN(xx1 + (1 << band->log2_cblk_width), band->coord[0][1] - band->coord[0][0] + x0); | |
1472 | } | ||
1473 | 130800 | yy0 = yy1; | |
1474 | 130800 | yy1 = FFMIN(yy1 + (1 << band->log2_cblk_height), band->coord[1][1] - band->coord[1][0] + y0); | |
1475 | } | ||
1476 | } | ||
1477 | } | ||
1478 | 3900 | av_log(s->avctx, AV_LOG_DEBUG, "after tier1\n"); | |
1479 | } | ||
1480 | |||
1481 | 1300 | av_log(s->avctx, AV_LOG_DEBUG, "rate control\n"); | |
1482 |
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|
1300 | if (s->compression_rate_enc) |
1483 | ✗ | makelayers(s, tile); | |
1484 | else | ||
1485 | 1300 | truncpasses(s, tile); | |
1486 | |||
1487 |
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|
1300 | if ((ret = encode_packets(s, tile, tileno, s->nlayers)) < 0) |
1488 | ✗ | return ret; | |
1489 | 1300 | av_log(s->avctx, AV_LOG_DEBUG, "after rate control\n"); | |
1490 | 1300 | return 0; | |
1491 | } | ||
1492 | |||
1493 | 8 | static void cleanup(Jpeg2000EncoderContext *s) | |
1494 | { | ||
1495 | int tileno, compno; | ||
1496 | 8 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
1497 | |||
1498 |
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|
8 | if (!s->tile) |
1499 | ✗ | return; | |
1500 |
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|
34 | for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ |
1501 |
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|
26 | if (s->tile[tileno].comp) { |
1502 |
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|
104 | for (compno = 0; compno < s->ncomponents; compno++){ |
1503 | 78 | Jpeg2000Component *comp = s->tile[tileno].comp + compno; | |
1504 | 78 | ff_jpeg2000_cleanup(comp, codsty); | |
1505 | } | ||
1506 | 26 | av_freep(&s->tile[tileno].comp); | |
1507 | } | ||
1508 | 26 | av_freep(&s->tile[tileno].layer_rates); | |
1509 | } | ||
1510 | 8 | av_freep(&s->tile); | |
1511 | } | ||
1512 | |||
1513 | 400 | static void reinit(Jpeg2000EncoderContext *s) | |
1514 | { | ||
1515 | int tileno, compno; | ||
1516 |
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|
1700 | for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ |
1517 | 1300 | Jpeg2000Tile *tile = s->tile + tileno; | |
1518 |
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5200 | for (compno = 0; compno < s->ncomponents; compno++) |
1519 | 3900 | ff_jpeg2000_reinit(tile->comp + compno, &s->codsty); | |
1520 | } | ||
1521 | 400 | } | |
1522 | |||
1523 | 2000 | static void update_size(uint8_t *size, const uint8_t *end) | |
1524 | { | ||
1525 | 2000 | AV_WB32(size, end-size); | |
1526 | 2000 | } | |
1527 | |||
1528 | 400 | static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, | |
1529 | const AVFrame *pict, int *got_packet) | ||
1530 | { | ||
1531 | int tileno, ret; | ||
1532 | 400 | Jpeg2000EncoderContext *s = avctx->priv_data; | |
1533 | uint8_t *chunkstart, *jp2cstart, *jp2hstart; | ||
1534 | |||
1535 |
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|
400 | if ((ret = ff_alloc_packet(avctx, pkt, avctx->width*avctx->height*9 + AV_INPUT_BUFFER_MIN_SIZE)) < 0) |
1536 | ✗ | return ret; | |
1537 | |||
1538 | // init: | ||
1539 | 400 | s->buf = s->buf_start = pkt->data; | |
1540 | 400 | s->buf_end = pkt->data + pkt->size; | |
1541 | |||
1542 | 400 | s->picture = pict; | |
1543 | |||
1544 | 400 | s->lambda = s->picture->quality * LAMBDA_SCALE; | |
1545 | |||
1546 |
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400 | if (avctx->pix_fmt == AV_PIX_FMT_BGR48 || avctx->pix_fmt == AV_PIX_FMT_GRAY16) |
1547 | ✗ | copy_frame_16(s); | |
1548 | else | ||
1549 | 400 | copy_frame_8(s); | |
1550 | |||
1551 | 400 | reinit(s); | |
1552 | |||
1553 |
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400 | if (s->format == CODEC_JP2) { |
1554 |
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|
400 | av_assert0(s->buf == pkt->data); |
1555 | |||
1556 | 400 | bytestream_put_be32(&s->buf, 0x0000000C); | |
1557 | 400 | bytestream_put_be32(&s->buf, 0x6A502020); | |
1558 | 400 | bytestream_put_be32(&s->buf, 0x0D0A870A); | |
1559 | |||
1560 | 400 | chunkstart = s->buf; | |
1561 | 400 | bytestream_put_be32(&s->buf, 0); | |
1562 | 400 | bytestream_put_buffer(&s->buf, "ftyp", 4); | |
1563 | 400 | bytestream_put_buffer(&s->buf, "jp2\040\040", 4); | |
1564 | 400 | bytestream_put_be32(&s->buf, 0); | |
1565 | 400 | bytestream_put_buffer(&s->buf, "jp2\040", 4); | |
1566 | 400 | update_size(chunkstart, s->buf); | |
1567 | |||
1568 | 400 | jp2hstart = s->buf; | |
1569 | 400 | bytestream_put_be32(&s->buf, 0); | |
1570 | 400 | bytestream_put_buffer(&s->buf, "jp2h", 4); | |
1571 | |||
1572 | 400 | chunkstart = s->buf; | |
1573 | 400 | bytestream_put_be32(&s->buf, 0); | |
1574 | 400 | bytestream_put_buffer(&s->buf, "ihdr", 4); | |
1575 | 400 | bytestream_put_be32(&s->buf, avctx->height); | |
1576 | 400 | bytestream_put_be32(&s->buf, avctx->width); | |
1577 | 400 | bytestream_put_be16(&s->buf, s->ncomponents); | |
1578 | 400 | bytestream_put_byte(&s->buf, s->cbps[0]); | |
1579 | 400 | bytestream_put_byte(&s->buf, 7); | |
1580 | 400 | bytestream_put_byte(&s->buf, 0); | |
1581 | 400 | bytestream_put_byte(&s->buf, 0); | |
1582 | 400 | update_size(chunkstart, s->buf); | |
1583 | |||
1584 | 400 | chunkstart = s->buf; | |
1585 | 400 | bytestream_put_be32(&s->buf, 0); | |
1586 | 400 | bytestream_put_buffer(&s->buf, "colr", 4); | |
1587 | 400 | bytestream_put_byte(&s->buf, 1); | |
1588 | 400 | bytestream_put_byte(&s->buf, 0); | |
1589 | 400 | bytestream_put_byte(&s->buf, 0); | |
1590 |
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400 | if (avctx->pix_fmt == AV_PIX_FMT_RGB24 || avctx->pix_fmt == AV_PIX_FMT_PAL8) { |
1591 | 400 | bytestream_put_be32(&s->buf, 16); | |
1592 | ✗ | } else if (s->ncomponents == 1) { | |
1593 | ✗ | bytestream_put_be32(&s->buf, 17); | |
1594 | } else { | ||
1595 | ✗ | bytestream_put_be32(&s->buf, 18); | |
1596 | } | ||
1597 | 400 | update_size(chunkstart, s->buf); | |
1598 |
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400 | if (avctx->pix_fmt == AV_PIX_FMT_PAL8) { |
1599 | int i; | ||
1600 | ✗ | const uint8_t *palette = pict->data[1]; | |
1601 | ✗ | chunkstart = s->buf; | |
1602 | ✗ | bytestream_put_be32(&s->buf, 0); | |
1603 | ✗ | bytestream_put_buffer(&s->buf, "pclr", 4); | |
1604 | ✗ | bytestream_put_be16(&s->buf, AVPALETTE_COUNT); | |
1605 | ✗ | bytestream_put_byte(&s->buf, 3); // colour channels | |
1606 | ✗ | bytestream_put_be24(&s->buf, 0x070707); //colour depths | |
1607 | ✗ | for (i = 0; i < AVPALETTE_COUNT; i++) { | |
1608 | ✗ | bytestream_put_be24(&s->buf, HAVE_BIGENDIAN ? AV_RB24(palette + 1) : AV_RL24(palette)); | |
1609 | ✗ | palette += 4; | |
1610 | } | ||
1611 | ✗ | update_size(chunkstart, s->buf); | |
1612 | ✗ | chunkstart = s->buf; | |
1613 | ✗ | bytestream_put_be32(&s->buf, 0); | |
1614 | ✗ | bytestream_put_buffer(&s->buf, "cmap", 4); | |
1615 | ✗ | for (i = 0; i < 3; i++) { | |
1616 | ✗ | bytestream_put_be16(&s->buf, 0); // component | |
1617 | ✗ | bytestream_put_byte(&s->buf, 1); // palette mapping | |
1618 | ✗ | bytestream_put_byte(&s->buf, i); // index | |
1619 | } | ||
1620 | ✗ | update_size(chunkstart, s->buf); | |
1621 | } | ||
1622 | 400 | update_size(jp2hstart, s->buf); | |
1623 | |||
1624 | 400 | jp2cstart = s->buf; | |
1625 | 400 | bytestream_put_be32(&s->buf, 0); | |
1626 | 400 | bytestream_put_buffer(&s->buf, "jp2c", 4); | |
1627 | } | ||
1628 | |||
1629 |
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400 | if (s->buf_end - s->buf < 2) |
1630 | ✗ | return -1; | |
1631 | 400 | bytestream_put_be16(&s->buf, JPEG2000_SOC); | |
1632 |
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400 | if ((ret = put_siz(s)) < 0) |
1633 | ✗ | return ret; | |
1634 |
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|
400 | if ((ret = put_cod(s)) < 0) |
1635 | ✗ | return ret; | |
1636 |
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|
400 | if ((ret = put_qcd(s, 0)) < 0) |
1637 | ✗ | return ret; | |
1638 |
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|
400 | if ((ret = put_com(s, 0)) < 0) |
1639 | ✗ | return ret; | |
1640 | |||
1641 |
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1700 | for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ |
1642 | uint8_t *psotptr; | ||
1643 |
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|
1300 | if (!(psotptr = put_sot(s, tileno))) |
1644 | ✗ | return -1; | |
1645 |
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|
1300 | if (s->buf_end - s->buf < 2) |
1646 | ✗ | return -1; | |
1647 | 1300 | bytestream_put_be16(&s->buf, JPEG2000_SOD); | |
1648 |
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|
1300 | if ((ret = encode_tile(s, s->tile + tileno, tileno)) < 0) |
1649 | ✗ | return ret; | |
1650 | 1300 | bytestream_put_be32(&psotptr, s->buf - psotptr + 6); | |
1651 | } | ||
1652 |
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|
400 | if (s->buf_end - s->buf < 2) |
1653 | ✗ | return -1; | |
1654 | 400 | bytestream_put_be16(&s->buf, JPEG2000_EOC); | |
1655 | |||
1656 |
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|
400 | if (s->format == CODEC_JP2) |
1657 | 400 | update_size(jp2cstart, s->buf); | |
1658 | |||
1659 | 400 | av_log(s->avctx, AV_LOG_DEBUG, "end\n"); | |
1660 | 400 | pkt->size = s->buf - s->buf_start; | |
1661 | 400 | *got_packet = 1; | |
1662 | |||
1663 | 400 | return 0; | |
1664 | } | ||
1665 | |||
1666 | 8 | static int parse_layer_rates(Jpeg2000EncoderContext *s) | |
1667 | { | ||
1668 | int i; | ||
1669 | char *token; | ||
1670 | 8 | char *saveptr = NULL; | |
1671 | int rate; | ||
1672 | 8 | int nlayers = 0; | |
1673 |
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|
8 | if (!s->lr_str) { |
1674 | 8 | s->nlayers = 1; | |
1675 | 8 | s->layer_rates[0] = 0; | |
1676 | 8 | s->compression_rate_enc = 0; | |
1677 | 8 | return 0; | |
1678 | } | ||
1679 | |||
1680 | ✗ | token = av_strtok(s->lr_str, ",", &saveptr); | |
1681 | ✗ | if (token && (rate = strtol(token, NULL, 10))) { | |
1682 | ✗ | s->layer_rates[0] = rate <= 1 ? 0:rate; | |
1683 | ✗ | nlayers++; | |
1684 | } else { | ||
1685 | ✗ | return AVERROR_INVALIDDATA; | |
1686 | } | ||
1687 | |||
1688 | while (1) { | ||
1689 | ✗ | token = av_strtok(NULL, ",", &saveptr); | |
1690 | ✗ | if (!token) | |
1691 | ✗ | break; | |
1692 | ✗ | if (rate = strtol(token, NULL, 10)) { | |
1693 | ✗ | if (nlayers >= 100) { | |
1694 | ✗ | return AVERROR_INVALIDDATA; | |
1695 | } | ||
1696 | ✗ | s->layer_rates[nlayers] = rate <= 1 ? 0:rate; | |
1697 | ✗ | nlayers++; | |
1698 | } else { | ||
1699 | ✗ | return AVERROR_INVALIDDATA; | |
1700 | } | ||
1701 | } | ||
1702 | |||
1703 | ✗ | for (i = 1; i < nlayers; i++) { | |
1704 | ✗ | if (s->layer_rates[i] >= s->layer_rates[i-1]) { | |
1705 | ✗ | return AVERROR_INVALIDDATA; | |
1706 | } | ||
1707 | } | ||
1708 | ✗ | s->nlayers = nlayers; | |
1709 | ✗ | s->compression_rate_enc = 1; | |
1710 | ✗ | return 0; | |
1711 | } | ||
1712 | |||
1713 | 8 | static av_cold int j2kenc_init(AVCodecContext *avctx) | |
1714 | { | ||
1715 | static AVOnce init_static_once = AV_ONCE_INIT; | ||
1716 | int i, ret; | ||
1717 | 8 | Jpeg2000EncoderContext *s = avctx->priv_data; | |
1718 | 8 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
1719 | 8 | Jpeg2000QuantStyle *qntsty = &s->qntsty; | |
1720 | |||
1721 | 8 | s->avctx = avctx; | |
1722 | 8 | av_log(s->avctx, AV_LOG_DEBUG, "init\n"); | |
1723 |
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8 | if (parse_layer_rates(s)) { |
1724 | ✗ | av_log(s, AV_LOG_WARNING, "Layer rates invalid. Encoding with 1 layer based on quality metric.\n"); | |
1725 | ✗ | s->nlayers = 1; | |
1726 | ✗ | s->layer_rates[0] = 0; | |
1727 | ✗ | s->compression_rate_enc = 0; | |
1728 | } | ||
1729 | |||
1730 |
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8 | if (avctx->pix_fmt == AV_PIX_FMT_PAL8 && (s->pred != FF_DWT97_INT || s->format != CODEC_JP2)) { |
1731 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "Forcing lossless jp2 for pal8\n"); | |
1732 | ✗ | s->pred = FF_DWT97_INT; | |
1733 | ✗ | s->format = CODEC_JP2; | |
1734 | } | ||
1735 | |||
1736 | // defaults: | ||
1737 | // TODO: implement setting non-standard precinct size | ||
1738 | 8 | memset(codsty->log2_prec_widths , 15, sizeof(codsty->log2_prec_widths )); | |
1739 | 8 | memset(codsty->log2_prec_heights, 15, sizeof(codsty->log2_prec_heights)); | |
1740 | 8 | codsty->nreslevels2decode= | |
1741 | 8 | codsty->nreslevels = 7; | |
1742 | 8 | codsty->nlayers = s->nlayers; | |
1743 | 8 | codsty->log2_cblk_width = 4; | |
1744 | 8 | codsty->log2_cblk_height = 4; | |
1745 |
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8 | codsty->transform = s->pred ? FF_DWT53 : FF_DWT97_INT; |
1746 | |||
1747 | 8 | qntsty->nguardbits = 1; | |
1748 | |||
1749 |
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8 | if ((s->tile_width & (s->tile_width -1)) || |
1750 |
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8 | (s->tile_height & (s->tile_height-1))) { |
1751 | ✗ | av_log(avctx, AV_LOG_WARNING, "Tile dimension not a power of 2\n"); | |
1752 | } | ||
1753 | |||
1754 |
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8 | if (codsty->transform == FF_DWT53) |
1755 | 4 | qntsty->quantsty = JPEG2000_QSTY_NONE; | |
1756 | else | ||
1757 | 4 | qntsty->quantsty = JPEG2000_QSTY_SE; | |
1758 | |||
1759 | 8 | s->width = avctx->width; | |
1760 | 8 | s->height = avctx->height; | |
1761 | |||
1762 |
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32 | for (i = 0; i < 3; i++) { |
1763 |
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24 | if (avctx->pix_fmt == AV_PIX_FMT_GRAY16 || avctx->pix_fmt == AV_PIX_FMT_RGB48) |
1764 | ✗ | s->cbps[i] = 16; | |
1765 | else | ||
1766 | 24 | s->cbps[i] = 8; | |
1767 | } | ||
1768 | |||
1769 |
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8 | if (avctx->pix_fmt == AV_PIX_FMT_RGB24 || avctx->pix_fmt == AV_PIX_FMT_RGB48){ |
1770 | 8 | s->ncomponents = 3; | |
1771 | ✗ | } else if (avctx->pix_fmt == AV_PIX_FMT_GRAY8 || avctx->pix_fmt == AV_PIX_FMT_PAL8 || avctx->pix_fmt == AV_PIX_FMT_GRAY16){ | |
1772 | ✗ | s->ncomponents = 1; | |
1773 | } else{ // planar YUV | ||
1774 | ✗ | s->planar = 1; | |
1775 | ✗ | s->ncomponents = 3; | |
1776 | ✗ | ret = av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, | |
1777 | ✗ | s->chroma_shift, s->chroma_shift + 1); | |
1778 | ✗ | if (ret) | |
1779 | ✗ | return ret; | |
1780 | } | ||
1781 | |||
1782 | 8 | ff_thread_once(&init_static_once, init_luts); | |
1783 | |||
1784 | 8 | init_quantization(s); | |
1785 |
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8 | if ((ret=init_tiles(s)) < 0) |
1786 | ✗ | return ret; | |
1787 | |||
1788 | 8 | av_log(s->avctx, AV_LOG_DEBUG, "after init\n"); | |
1789 | |||
1790 | 8 | return 0; | |
1791 | } | ||
1792 | |||
1793 | 8 | static int j2kenc_destroy(AVCodecContext *avctx) | |
1794 | { | ||
1795 | 8 | Jpeg2000EncoderContext *s = avctx->priv_data; | |
1796 | |||
1797 | 8 | cleanup(s); | |
1798 | 8 | return 0; | |
1799 | } | ||
1800 | |||
1801 | // taken from the libopenjpeg wraper so it matches | ||
1802 | |||
1803 | #define OFFSET(x) offsetof(Jpeg2000EncoderContext, x) | ||
1804 | #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM | ||
1805 | static const AVOption options[] = { | ||
1806 | { "format", "Codec Format", OFFSET(format), AV_OPT_TYPE_INT, { .i64 = CODEC_JP2 }, CODEC_J2K, CODEC_JP2, VE, "format" }, | ||
1807 | { "j2k", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_J2K }, 0, 0, VE, "format" }, | ||
1808 | { "jp2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_JP2 }, 0, 0, VE, "format" }, | ||
1809 | { "tile_width", "Tile Width", OFFSET(tile_width), AV_OPT_TYPE_INT, { .i64 = 256 }, 1, 1<<30, VE, }, | ||
1810 | { "tile_height", "Tile Height", OFFSET(tile_height), AV_OPT_TYPE_INT, { .i64 = 256 }, 1, 1<<30, VE, }, | ||
1811 | { "pred", "DWT Type", OFFSET(pred), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, "pred" }, | ||
1812 | { "dwt97int", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "pred" }, | ||
1813 | { "dwt53", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "pred" }, | ||
1814 | { "sop", "SOP marker", OFFSET(sop), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, }, | ||
1815 | { "eph", "EPH marker", OFFSET(eph), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, }, | ||
1816 | { "prog", "Progression Order", OFFSET(prog), AV_OPT_TYPE_INT, { .i64 = 0 }, JPEG2000_PGOD_LRCP, JPEG2000_PGOD_CPRL, VE, "prog" }, | ||
1817 | { "lrcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_LRCP }, 0, 0, VE, "prog" }, | ||
1818 | { "rlcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_RLCP }, 0, 0, VE, "prog" }, | ||
1819 | { "rpcl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_RPCL }, 0, 0, VE, "prog" }, | ||
1820 | { "pcrl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_PCRL }, 0, 0, VE, "prog" }, | ||
1821 | { "cprl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_CPRL }, 0, 0, VE, "prog" }, | ||
1822 | { "layer_rates", "Layer Rates", OFFSET(lr_str), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VE }, | ||
1823 | { NULL } | ||
1824 | }; | ||
1825 | |||
1826 | static const AVClass j2k_class = { | ||
1827 | .class_name = "jpeg 2000 encoder", | ||
1828 | .item_name = av_default_item_name, | ||
1829 | .option = options, | ||
1830 | .version = LIBAVUTIL_VERSION_INT, | ||
1831 | }; | ||
1832 | |||
1833 | const FFCodec ff_jpeg2000_encoder = { | ||
1834 | .p.name = "jpeg2000", | ||
1835 | CODEC_LONG_NAME("JPEG 2000"), | ||
1836 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
1837 | .p.id = AV_CODEC_ID_JPEG2000, | ||
1838 | .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, | ||
1839 | .priv_data_size = sizeof(Jpeg2000EncoderContext), | ||
1840 | .init = j2kenc_init, | ||
1841 | FF_CODEC_ENCODE_CB(encode_frame), | ||
1842 | .close = j2kenc_destroy, | ||
1843 | .p.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 | .p.priv_class = &j2k_class, | ||
1852 | .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, | ||
1853 | }; | ||
1854 |