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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/attributes.h" | ||
75 | #include "libavutil/common.h" | ||
76 | #include "libavutil/mem.h" | ||
77 | #include "libavutil/pixdesc.h" | ||
78 | #include "libavutil/opt.h" | ||
79 | #include "libavutil/intreadwrite.h" | ||
80 | #include "libavutil/avstring.h" | ||
81 | #include "libavutil/thread.h" | ||
82 | |||
83 | #define NMSEDEC_BITS 7 | ||
84 | #define NMSEDEC_FRACBITS (NMSEDEC_BITS-1) | ||
85 | #define WMSEDEC_SHIFT 13 ///< must be >= 13 | ||
86 | #define LAMBDA_SCALE (100000000LL << (WMSEDEC_SHIFT - 13)) | ||
87 | |||
88 | #define CODEC_JP2 1 | ||
89 | #define CODEC_J2K 0 | ||
90 | |||
91 | static int lut_nmsedec_ref [1<<NMSEDEC_BITS], | ||
92 | lut_nmsedec_ref0[1<<NMSEDEC_BITS], | ||
93 | lut_nmsedec_sig [1<<NMSEDEC_BITS], | ||
94 | lut_nmsedec_sig0[1<<NMSEDEC_BITS]; | ||
95 | |||
96 | static const int dwt_norms[2][4][10] = { // [dwt_type][band][rlevel] (multiplied by 10000) | ||
97 | {{10000, 19650, 41770, 84030, 169000, 338400, 676900, 1353000, 2706000, 5409000}, | ||
98 | {20220, 39890, 83550, 170400, 342700, 686300, 1373000, 2746000, 5490000}, | ||
99 | {20220, 39890, 83550, 170400, 342700, 686300, 1373000, 2746000, 5490000}, | ||
100 | {20800, 38650, 83070, 171800, 347100, 695900, 1393000, 2786000, 5572000}}, | ||
101 | |||
102 | {{10000, 15000, 27500, 53750, 106800, 213400, 426700, 853300, 1707000, 3413000}, | ||
103 | {10380, 15920, 29190, 57030, 113300, 226400, 452500, 904800, 1809000}, | ||
104 | {10380, 15920, 29190, 57030, 113300, 226400, 452500, 904800, 1809000}, | ||
105 | { 7186, 9218, 15860, 30430, 60190, 120100, 240000, 479700, 959300}} | ||
106 | }; | ||
107 | |||
108 | typedef struct { | ||
109 | Jpeg2000Component *comp; | ||
110 | double *layer_rates; | ||
111 | } Jpeg2000Tile; | ||
112 | |||
113 | typedef struct { | ||
114 | AVClass *class; | ||
115 | AVCodecContext *avctx; | ||
116 | const AVFrame *picture; | ||
117 | |||
118 | int width, height; ///< image width and height | ||
119 | uint8_t cbps[4]; ///< bits per sample in particular components | ||
120 | uint8_t comp_remap[4]; | ||
121 | int chroma_shift[2]; | ||
122 | uint8_t planar; | ||
123 | int ncomponents; | ||
124 | int tile_width, tile_height; ///< tile size | ||
125 | int numXtiles, numYtiles; | ||
126 | |||
127 | uint8_t *buf_start; | ||
128 | uint8_t *buf; | ||
129 | uint8_t *buf_end; | ||
130 | int bit_index; | ||
131 | |||
132 | uint64_t lambda; | ||
133 | |||
134 | Jpeg2000CodingStyle codsty; | ||
135 | Jpeg2000QuantStyle qntsty; | ||
136 | |||
137 | Jpeg2000Tile *tile; | ||
138 | int layer_rates[100]; | ||
139 | uint8_t compression_rate_enc; ///< Is compression done using compression ratio? | ||
140 | |||
141 | int format; | ||
142 | int pred; | ||
143 | int sop; | ||
144 | int eph; | ||
145 | int prog; | ||
146 | int nlayers; | ||
147 | char *lr_str; | ||
148 | } Jpeg2000EncoderContext; | ||
149 | |||
150 | |||
151 | /* debug */ | ||
152 | #if 0 | ||
153 | #undef ifprintf | ||
154 | #undef printf | ||
155 | |||
156 | static void nspaces(FILE *fd, int n) | ||
157 | { | ||
158 | while(n--) putc(' ', fd); | ||
159 | } | ||
160 | |||
161 | static void printcomp(Jpeg2000Component *comp) | ||
162 | { | ||
163 | int i; | ||
164 | for (i = 0; i < comp->y1 - comp->y0; i++) | ||
165 | ff_jpeg2000_printv(comp->i_data + i * (comp->x1 - comp->x0), comp->x1 - comp->x0); | ||
166 | } | ||
167 | |||
168 | static void dump(Jpeg2000EncoderContext *s, FILE *fd) | ||
169 | { | ||
170 | int tileno, compno, reslevelno, bandno, precno; | ||
171 | fprintf(fd, "XSiz = %d, YSiz = %d, tile_width = %d, tile_height = %d\n" | ||
172 | "numXtiles = %d, numYtiles = %d, ncomponents = %d\n" | ||
173 | "tiles:\n", | ||
174 | s->width, s->height, s->tile_width, s->tile_height, | ||
175 | s->numXtiles, s->numYtiles, s->ncomponents); | ||
176 | for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ | ||
177 | Jpeg2000Tile *tile = s->tile + tileno; | ||
178 | nspaces(fd, 2); | ||
179 | fprintf(fd, "tile %d:\n", tileno); | ||
180 | for(compno = 0; compno < s->ncomponents; compno++){ | ||
181 | Jpeg2000Component *comp = tile->comp + compno; | ||
182 | nspaces(fd, 4); | ||
183 | fprintf(fd, "component %d:\n", compno); | ||
184 | nspaces(fd, 4); | ||
185 | fprintf(fd, "x0 = %d, x1 = %d, y0 = %d, y1 = %d\n", | ||
186 | comp->x0, comp->x1, comp->y0, comp->y1); | ||
187 | for(reslevelno = 0; reslevelno < s->nreslevels; reslevelno++){ | ||
188 | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | ||
189 | nspaces(fd, 6); | ||
190 | fprintf(fd, "reslevel %d:\n", reslevelno); | ||
191 | nspaces(fd, 6); | ||
192 | fprintf(fd, "x0 = %d, x1 = %d, y0 = %d, y1 = %d, nbands = %d\n", | ||
193 | reslevel->x0, reslevel->x1, reslevel->y0, | ||
194 | reslevel->y1, reslevel->nbands); | ||
195 | for(bandno = 0; bandno < reslevel->nbands; bandno++){ | ||
196 | Jpeg2000Band *band = reslevel->band + bandno; | ||
197 | nspaces(fd, 8); | ||
198 | fprintf(fd, "band %d:\n", bandno); | ||
199 | nspaces(fd, 8); | ||
200 | fprintf(fd, "x0 = %d, x1 = %d, y0 = %d, y1 = %d," | ||
201 | "codeblock_width = %d, codeblock_height = %d cblknx = %d cblkny = %d\n", | ||
202 | band->x0, band->x1, | ||
203 | band->y0, band->y1, | ||
204 | band->codeblock_width, band->codeblock_height, | ||
205 | band->cblknx, band->cblkny); | ||
206 | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ | ||
207 | Jpeg2000Prec *prec = band->prec + precno; | ||
208 | nspaces(fd, 10); | ||
209 | fprintf(fd, "prec %d:\n", precno); | ||
210 | nspaces(fd, 10); | ||
211 | fprintf(fd, "xi0 = %d, xi1 = %d, yi0 = %d, yi1 = %d\n", | ||
212 | prec->xi0, prec->xi1, prec->yi0, prec->yi1); | ||
213 | } | ||
214 | } | ||
215 | } | ||
216 | } | ||
217 | } | ||
218 | } | ||
219 | #endif | ||
220 | |||
221 | /* bitstream routines */ | ||
222 | |||
223 | /** put n times val bit */ | ||
224 | 21037957 | static void put_bits(Jpeg2000EncoderContext *s, int val, int n) // TODO: optimize | |
225 | { | ||
226 |
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37133179 | while (n-- > 0){ |
227 |
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16095222 | if (s->bit_index == 8) |
228 | { | ||
229 | 1986379 | s->bit_index = *s->buf == 0xff; | |
230 | 1986379 | *(++s->buf) = 0; | |
231 | } | ||
232 | 16095222 | *s->buf |= val << (7 - s->bit_index++); | |
233 | } | ||
234 | 21037957 | } | |
235 | |||
236 | /** put n least significant bits of a number num */ | ||
237 | 1589586 | static void put_num(Jpeg2000EncoderContext *s, int num, int n) | |
238 | { | ||
239 |
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13346015 | while(--n >= 0) |
240 | 11756429 | put_bits(s, (num >> n) & 1, 1); | |
241 | 1589586 | } | |
242 | |||
243 | /** flush the bitstream */ | ||
244 | 59150 | static void j2k_flush(Jpeg2000EncoderContext *s) | |
245 | { | ||
246 |
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59150 | if (s->bit_index){ |
247 | 59150 | s->bit_index = 0; | |
248 | 59150 | s->buf++; | |
249 | } | ||
250 | 59150 | } | |
251 | |||
252 | /* tag tree routines */ | ||
253 | |||
254 | /** code the value stored in node */ | ||
255 | 1622232 | static void tag_tree_code(Jpeg2000EncoderContext *s, Jpeg2000TgtNode *node, int threshold) | |
256 | { | ||
257 | Jpeg2000TgtNode *stack[30]; | ||
258 | 1622232 | int sp = -1, curval = 0; | |
259 | |||
260 |
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5428164 | while(node->parent){ |
261 | 3805932 | stack[++sp] = node; | |
262 | 3805932 | node = node->parent; | |
263 | } | ||
264 | |||
265 | while (1) { | ||
266 |
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5428164 | if (curval > node->temp_val) |
267 | 965152 | node->temp_val = curval; | |
268 | else { | ||
269 | 4463012 | curval = node->temp_val; | |
270 | } | ||
271 | |||
272 |
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5428164 | if (node->val >= threshold) { |
273 | 38099 | put_bits(s, 0, threshold - curval); | |
274 | 38099 | curval = threshold; | |
275 | } else { | ||
276 | 5390065 | put_bits(s, 0, node->val - curval); | |
277 | 5390065 | curval = node->val; | |
278 |
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5390065 | if (!node->vis) { |
279 | 2204628 | put_bits(s, 1, 1); | |
280 | 2204628 | node->vis = 1; | |
281 | } | ||
282 | } | ||
283 | |||
284 | 5428164 | node->temp_val = curval; | |
285 |
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5428164 | if (sp < 0) |
286 | 1622232 | break; | |
287 | 3805932 | node = stack[sp--]; | |
288 | } | ||
289 | 1622232 | } | |
290 | |||
291 | /** update the value in node */ | ||
292 | 1791400 | static void tag_tree_update(Jpeg2000TgtNode *node) | |
293 | { | ||
294 |
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2620688 | while (node->parent){ |
295 |
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2281640 | if (node->parent->val <= node->val) |
296 | 1452352 | break; | |
297 | 829288 | node->parent->val = node->val; | |
298 | 829288 | node = node->parent; | |
299 | } | ||
300 | 1791400 | } | |
301 | |||
302 | 800 | static int put_siz(Jpeg2000EncoderContext *s) | |
303 | { | ||
304 | int i; | ||
305 | |||
306 |
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800 | if (s->buf_end - s->buf < 40 + 3 * s->ncomponents) |
307 | ✗ | return -1; | |
308 | |||
309 | 800 | bytestream_put_be16(&s->buf, JPEG2000_SIZ); | |
310 | 800 | bytestream_put_be16(&s->buf, 38 + 3 * s->ncomponents); // Lsiz | |
311 | 800 | bytestream_put_be16(&s->buf, 0); // Rsiz | |
312 | 800 | bytestream_put_be32(&s->buf, s->width); // width | |
313 | 800 | bytestream_put_be32(&s->buf, s->height); // height | |
314 | 800 | bytestream_put_be32(&s->buf, 0); // X0Siz | |
315 | 800 | bytestream_put_be32(&s->buf, 0); // Y0Siz | |
316 | |||
317 | 800 | bytestream_put_be32(&s->buf, s->tile_width); // XTSiz | |
318 | 800 | bytestream_put_be32(&s->buf, s->tile_height); // YTSiz | |
319 | 800 | bytestream_put_be32(&s->buf, 0); // XT0Siz | |
320 | 800 | bytestream_put_be32(&s->buf, 0); // YT0Siz | |
321 | 800 | bytestream_put_be16(&s->buf, s->ncomponents); // CSiz | |
322 | |||
323 |
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3400 | for (i = 0; i < s->ncomponents; i++){ // Ssiz_i XRsiz_i, YRsiz_i |
324 | 2600 | bytestream_put_byte(&s->buf, s->cbps[i] - 1); | |
325 |
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2600 | bytestream_put_byte(&s->buf, (i+1&2)?1<<s->chroma_shift[0]:1); |
326 |
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2600 | bytestream_put_byte(&s->buf, (i+1&2)?1<<s->chroma_shift[1]:1); |
327 | } | ||
328 | 800 | return 0; | |
329 | } | ||
330 | |||
331 | 800 | static int put_cod(Jpeg2000EncoderContext *s) | |
332 | { | ||
333 | 800 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
334 | 800 | uint8_t scod = 0; | |
335 | |||
336 |
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800 | if (s->buf_end - s->buf < 14) |
337 | ✗ | return -1; | |
338 | |||
339 | 800 | bytestream_put_be16(&s->buf, JPEG2000_COD); | |
340 | 800 | bytestream_put_be16(&s->buf, 12); // Lcod | |
341 |
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800 | if (s->sop) |
342 | ✗ | scod |= JPEG2000_CSTY_SOP; | |
343 |
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800 | if (s->eph) |
344 | ✗ | scod |= JPEG2000_CSTY_EPH; | |
345 | 800 | bytestream_put_byte(&s->buf, scod); // Scod | |
346 | // SGcod | ||
347 | 800 | bytestream_put_byte(&s->buf, s->prog); // progression level | |
348 | 800 | bytestream_put_be16(&s->buf, s->nlayers); // num of layers | |
349 |
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800 | if(s->avctx->pix_fmt == AV_PIX_FMT_YUV444P){ |
350 | ✗ | bytestream_put_byte(&s->buf, 0); // unspecified | |
351 | }else{ | ||
352 | 800 | bytestream_put_byte(&s->buf, 0); // unspecified | |
353 | } | ||
354 | // SPcod | ||
355 | 800 | bytestream_put_byte(&s->buf, codsty->nreslevels - 1); // num of decomp. levels | |
356 | 800 | bytestream_put_byte(&s->buf, codsty->log2_cblk_width-2); // cblk width | |
357 | 800 | bytestream_put_byte(&s->buf, codsty->log2_cblk_height-2); // cblk height | |
358 | 800 | bytestream_put_byte(&s->buf, 0); // cblk style | |
359 | 800 | bytestream_put_byte(&s->buf, codsty->transform == FF_DWT53); // transformation | |
360 | 800 | return 0; | |
361 | } | ||
362 | |||
363 | 800 | static int put_qcd(Jpeg2000EncoderContext *s, int compno) | |
364 | { | ||
365 | int i, size; | ||
366 | 800 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
367 | 800 | Jpeg2000QuantStyle *qntsty = &s->qntsty; | |
368 | |||
369 |
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800 | if (qntsty->quantsty == JPEG2000_QSTY_NONE) |
370 | 600 | size = 4 + 3 * (codsty->nreslevels-1); | |
371 | else // QSTY_SE | ||
372 | 200 | size = 5 + 6 * (codsty->nreslevels-1); | |
373 | |||
374 |
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800 | if (s->buf_end - s->buf < size + 2) |
375 | ✗ | return -1; | |
376 | |||
377 | 800 | bytestream_put_be16(&s->buf, JPEG2000_QCD); | |
378 | 800 | bytestream_put_be16(&s->buf, size); // LQcd | |
379 | 800 | bytestream_put_byte(&s->buf, (qntsty->nguardbits << 5) | qntsty->quantsty); // Sqcd | |
380 |
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800 | if (qntsty->quantsty == JPEG2000_QSTY_NONE) |
381 |
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12000 | for (i = 0; i < codsty->nreslevels * 3 - 2; i++) |
382 | 11400 | bytestream_put_byte(&s->buf, qntsty->expn[i] << 3); | |
383 | else // QSTY_SE | ||
384 |
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4000 | for (i = 0; i < codsty->nreslevels * 3 - 2; i++) |
385 | 3800 | bytestream_put_be16(&s->buf, (qntsty->expn[i] << 11) | qntsty->mant[i]); | |
386 | 800 | return 0; | |
387 | } | ||
388 | |||
389 | 800 | static int put_com(Jpeg2000EncoderContext *s, int compno) | |
390 | { | ||
391 | 800 | int size = 4 + strlen(LIBAVCODEC_IDENT); | |
392 | |||
393 |
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800 | if (s->avctx->flags & AV_CODEC_FLAG_BITEXACT) |
394 | 800 | return 0; | |
395 | |||
396 | ✗ | if (s->buf_end - s->buf < size + 2) | |
397 | ✗ | return -1; | |
398 | |||
399 | ✗ | bytestream_put_be16(&s->buf, JPEG2000_COM); | |
400 | ✗ | bytestream_put_be16(&s->buf, size); | |
401 | ✗ | bytestream_put_be16(&s->buf, 1); // General use (ISO/IEC 8859-15 (Latin) values) | |
402 | |||
403 | ✗ | bytestream_put_buffer(&s->buf, LIBAVCODEC_IDENT, strlen(LIBAVCODEC_IDENT)); | |
404 | |||
405 | ✗ | return 0; | |
406 | } | ||
407 | |||
408 | 2600 | static uint8_t *put_sot(Jpeg2000EncoderContext *s, int tileno) | |
409 | { | ||
410 | uint8_t *psotptr; | ||
411 | |||
412 |
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2600 | if (s->buf_end - s->buf < 12) |
413 | ✗ | return NULL; | |
414 | |||
415 | 2600 | bytestream_put_be16(&s->buf, JPEG2000_SOT); | |
416 | 2600 | bytestream_put_be16(&s->buf, 10); // Lsot | |
417 | 2600 | bytestream_put_be16(&s->buf, tileno); // Isot | |
418 | |||
419 | 2600 | psotptr = s->buf; | |
420 | 2600 | bytestream_put_be32(&s->buf, 0); // Psot (filled in later) | |
421 | |||
422 | 2600 | bytestream_put_byte(&s->buf, 0); // TPsot | |
423 | 2600 | bytestream_put_byte(&s->buf, 1); // TNsot | |
424 | 2600 | return psotptr; | |
425 | } | ||
426 | |||
427 | 16 | static void compute_rates(Jpeg2000EncoderContext* s) | |
428 | { | ||
429 | int i, j; | ||
430 | int layno, compno; | ||
431 |
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44 | for (i = 0; i < s->numYtiles; i++) { |
432 |
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80 | for (j = 0; j < s->numXtiles; j++) { |
433 | 52 | Jpeg2000Tile *tile = &s->tile[s->numXtiles * i + j]; | |
434 |
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221 | for (compno = 0; compno < s->ncomponents; compno++) { |
435 | 169 | int tilew = tile->comp[compno].coord[0][1] - tile->comp[compno].coord[0][0]; | |
436 | 169 | int tileh = tile->comp[compno].coord[1][1] - tile->comp[compno].coord[1][0]; | |
437 |
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169 | int scale = ((compno+1&2)?1 << s->chroma_shift[0]:1) * ((compno+1&2)?1 << s->chroma_shift[1]:1); |
438 |
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338 | for (layno = 0; layno < s->nlayers; layno++) { |
439 |
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169 | if (s->layer_rates[layno] > 0) { |
440 | ✗ | tile->layer_rates[layno] += (double)(tilew * tileh) * s->ncomponents * s->cbps[compno] / | |
441 | ✗ | (double)(s->layer_rates[layno] * 8 * scale); | |
442 | } else { | ||
443 | 169 | tile->layer_rates[layno] = 0.0; | |
444 | } | ||
445 | } | ||
446 | } | ||
447 | } | ||
448 | } | ||
449 | |||
450 | 16 | } | |
451 | |||
452 | /** | ||
453 | * compute the sizes of tiles, resolution levels, bands, etc. | ||
454 | * allocate memory for them | ||
455 | * divide the input image into tile-components | ||
456 | */ | ||
457 | 16 | static int init_tiles(Jpeg2000EncoderContext *s) | |
458 | { | ||
459 | int tileno, tilex, tiley, compno; | ||
460 | 16 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
461 | 16 | Jpeg2000QuantStyle *qntsty = &s->qntsty; | |
462 | |||
463 | 16 | s->numXtiles = ff_jpeg2000_ceildiv(s->width, s->tile_width); | |
464 | 16 | s->numYtiles = ff_jpeg2000_ceildiv(s->height, s->tile_height); | |
465 | |||
466 | 16 | s->tile = av_calloc(s->numXtiles, s->numYtiles * sizeof(Jpeg2000Tile)); | |
467 |
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16 | if (!s->tile) |
468 | ✗ | return AVERROR(ENOMEM); | |
469 |
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44 | for (tileno = 0, tiley = 0; tiley < s->numYtiles; tiley++) |
470 |
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80 | for (tilex = 0; tilex < s->numXtiles; tilex++, tileno++){ |
471 | 52 | Jpeg2000Tile *tile = s->tile + tileno; | |
472 | |||
473 | 52 | tile->comp = av_calloc(s->ncomponents, sizeof(*tile->comp)); | |
474 |
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52 | if (!tile->comp) |
475 | ✗ | return AVERROR(ENOMEM); | |
476 | |||
477 | 52 | tile->layer_rates = av_calloc(s->nlayers, sizeof(*tile->layer_rates)); | |
478 |
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52 | if (!tile->layer_rates) |
479 | ✗ | return AVERROR(ENOMEM); | |
480 | |||
481 |
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221 | for (compno = 0; compno < s->ncomponents; compno++){ |
482 | 169 | Jpeg2000Component *comp = tile->comp + compno; | |
483 | int ret, i, j; | ||
484 | |||
485 | 169 | comp->coord[0][0] = comp->coord_o[0][0] = tilex * s->tile_width; | |
486 | 169 | comp->coord[0][1] = comp->coord_o[0][1] = FFMIN((tilex+1)*s->tile_width, s->width); | |
487 | 169 | comp->coord[1][0] = comp->coord_o[1][0] = tiley * s->tile_height; | |
488 | 169 | comp->coord[1][1] = comp->coord_o[1][1] = FFMIN((tiley+1)*s->tile_height, s->height); | |
489 |
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169 | if (compno + 1 & 2) |
490 |
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312 | for (i = 0; i < 2; i++) |
491 |
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624 | for (j = 0; j < 2; j++) |
492 | 416 | comp->coord[i][j] = comp->coord_o[i][j] = ff_jpeg2000_ceildivpow2(comp->coord[i][j], s->chroma_shift[i]); | |
493 | |||
494 |
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299 | if ((ret = ff_jpeg2000_init_component(comp, |
495 | codsty, | ||
496 | qntsty, | ||
497 | 169 | s->cbps[compno], | |
498 |
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169 | (compno+1&2)?1<<s->chroma_shift[0]:1, |
499 |
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169 | (compno+1&2)?1<<s->chroma_shift[1]:1, |
500 | s->avctx | ||
501 | )) < 0) | ||
502 | ✗ | return ret; | |
503 | } | ||
504 | } | ||
505 | 16 | compute_rates(s); | |
506 | 16 | return 0; | |
507 | } | ||
508 | |||
509 | #define COPY_FRAME(D, PIXEL) \ | ||
510 | static void copy_frame_ ##D(Jpeg2000EncoderContext *s) \ | ||
511 | { \ | ||
512 | int tileno, compno, i, y, x; \ | ||
513 | const PIXEL *line; \ | ||
514 | for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ \ | ||
515 | Jpeg2000Tile *tile = s->tile + tileno; \ | ||
516 | if (s->planar){ \ | ||
517 | for (compno = 0; compno < s->ncomponents; compno++){ \ | ||
518 | int icompno = s->comp_remap[compno]; \ | ||
519 | Jpeg2000Component *comp = tile->comp + compno; \ | ||
520 | int *dst = comp->i_data; \ | ||
521 | int cbps = s->cbps[compno]; \ | ||
522 | line = (const PIXEL*)s->picture->data[icompno] \ | ||
523 | + comp->coord[1][0] * (s->picture->linesize[icompno] / sizeof(PIXEL)) \ | ||
524 | + comp->coord[0][0]; \ | ||
525 | for (y = comp->coord[1][0]; y < comp->coord[1][1]; y++){ \ | ||
526 | const PIXEL *ptr = line; \ | ||
527 | for (x = comp->coord[0][0]; x < comp->coord[0][1]; x++) \ | ||
528 | *dst++ = *ptr++ - (1 << (cbps - 1)); \ | ||
529 | line += s->picture->linesize[icompno] / sizeof(PIXEL); \ | ||
530 | } \ | ||
531 | } \ | ||
532 | } else{ \ | ||
533 | line = (const PIXEL*)(s->picture->data[0] + tile->comp[0].coord[1][0] * s->picture->linesize[0]) \ | ||
534 | + tile->comp[0].coord[0][0] * s->ncomponents; \ | ||
535 | \ | ||
536 | i = 0; \ | ||
537 | for (y = tile->comp[0].coord[1][0]; y < tile->comp[0].coord[1][1]; y++){ \ | ||
538 | const PIXEL *ptr = line; \ | ||
539 | for (x = tile->comp[0].coord[0][0]; x < tile->comp[0].coord[0][1]; x++, i++){ \ | ||
540 | for (compno = 0; compno < s->ncomponents; compno++){ \ | ||
541 | int cbps = s->cbps[compno]; \ | ||
542 | tile->comp[compno].i_data[i] = *ptr++ - (1 << (cbps - 1)); \ | ||
543 | } \ | ||
544 | } \ | ||
545 | line += s->picture->linesize[0] / sizeof(PIXEL); \ | ||
546 | } \ | ||
547 | } \ | ||
548 | } \ | ||
549 | } | ||
550 | |||
551 |
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122291500 | COPY_FRAME(8, uint8_t) |
552 |
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107472350 | COPY_FRAME(16, uint16_t) |
553 | |||
554 | 16 | static void init_quantization(Jpeg2000EncoderContext *s) | |
555 | { | ||
556 | int compno, reslevelno, bandno; | ||
557 | 16 | Jpeg2000QuantStyle *qntsty = &s->qntsty; | |
558 | 16 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
559 | |||
560 |
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68 | for (compno = 0; compno < s->ncomponents; compno++){ |
561 | 52 | int gbandno = 0; | |
562 |
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416 | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){ |
563 | 364 | int nbands, lev = codsty->nreslevels - reslevelno - 1; | |
564 |
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364 | nbands = reslevelno ? 3 : 1; |
565 |
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1352 | for (bandno = 0; bandno < nbands; bandno++, gbandno++){ |
566 | 988 | int expn, mant = 0; | |
567 | |||
568 |
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988 | if (codsty->transform == FF_DWT97_INT){ |
569 | 228 | int bandpos = bandno + (reslevelno>0), | |
570 | 228 | ss = 81920000 / dwt_norms[0][bandpos][lev], | |
571 | 228 | log = av_log2(ss); | |
572 |
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228 | mant = (11 - log < 0 ? ss >> log - 11 : ss << 11 - log) & 0x7ff; |
573 | 228 | expn = s->cbps[compno] - log + 13; | |
574 | } else | ||
575 | 760 | expn = ((bandno&2)>>1) + (reslevelno>0) + s->cbps[compno]; | |
576 | |||
577 | 988 | qntsty->expn[gbandno] = expn; | |
578 | 988 | qntsty->mant[gbandno] = mant; | |
579 | } | ||
580 | } | ||
581 | } | ||
582 | 16 | } | |
583 | |||
584 | 16 | static av_cold void init_luts(void) | |
585 | { | ||
586 | int i, a, | ||
587 | 16 | mask = ~((1<<NMSEDEC_FRACBITS)-1); | |
588 | |||
589 |
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2064 | for (i = 0; i < (1 << NMSEDEC_BITS); i++){ |
590 | 2048 | lut_nmsedec_sig[i] = FFMAX((3 * i << (13 - NMSEDEC_FRACBITS)) - (9 << 11), 0); | |
591 | 2048 | lut_nmsedec_sig0[i] = FFMAX((i*i + (1<<NMSEDEC_FRACBITS-1) & mask) << 1, 0); | |
592 | |||
593 | 2048 | a = (i >> (NMSEDEC_BITS-2)&2) + 1; | |
594 | 2048 | lut_nmsedec_ref[i] = FFMAX((a - 2) * (i << (13 - NMSEDEC_FRACBITS)) + | |
595 | (1 << 13) - (a * a << 11), 0); | ||
596 | 2048 | lut_nmsedec_ref0[i] = FFMAX(((i * i - (i << NMSEDEC_BITS) + (1 << 2 * NMSEDEC_FRACBITS) + (1 << (NMSEDEC_FRACBITS - 1))) & mask) | |
597 | << 1, 0); | ||
598 | } | ||
599 | 16 | ff_jpeg2000_init_tier1_luts(); | |
600 | 16 | } | |
601 | |||
602 | /* tier-1 routines */ | ||
603 | 164090682 | static int getnmsedec_sig(int x, int bpno) | |
604 | { | ||
605 |
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164090682 | if (bpno > NMSEDEC_FRACBITS) |
606 | 146013952 | return lut_nmsedec_sig[(x >> (bpno - NMSEDEC_FRACBITS)) & ((1 << NMSEDEC_BITS) - 1)]; | |
607 | 18076730 | return lut_nmsedec_sig0[x & ((1 << NMSEDEC_BITS) - 1)]; | |
608 | } | ||
609 | |||
610 | 695017080 | static int getnmsedec_ref(int x, int bpno) | |
611 | { | ||
612 |
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695017080 | if (bpno > NMSEDEC_FRACBITS) |
613 | 549003128 | return lut_nmsedec_ref[(x >> (bpno - NMSEDEC_FRACBITS)) & ((1 << NMSEDEC_BITS) - 1)]; | |
614 | 146013952 | return lut_nmsedec_ref0[x & ((1 << NMSEDEC_BITS) - 1)]; | |
615 | } | ||
616 | |||
617 | 6655953 | static void encode_sigpass(Jpeg2000T1Context *t1, int width, int height, int bandno, int *nmsedec, int bpno) | |
618 | { | ||
619 | 6655953 | int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS); | |
620 |
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621 |
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622 |
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1801524562 | for (y = y0; y < height && y < y0+4; y++){ |
623 |
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1440062455 | if (!(t1->flags[(y+1) * t1->stride + x+1] & JPEG2000_T1_SIG) && (t1->flags[(y+1) * t1->stride + x+1] & JPEG2000_T1_SIG_NB)){ |
624 | 379612927 | int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno), | |
625 | 379612927 | bit = t1->data[(y) * t1->stride + x] & mask ? 1 : 0; | |
626 | 379612927 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, bit); | |
627 |
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379612927 | if (bit){ |
628 | int xorbit; | ||
629 | 134620397 | int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit); | |
630 | 134620397 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit); | |
631 | 134620397 | *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS); | |
632 | 134620397 | ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15); | |
633 | } | ||
634 | 379612927 | t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_VIS; | |
635 | } | ||
636 | } | ||
637 | 6655953 | } | |
638 | |||
639 | 6655953 | static void encode_refpass(Jpeg2000T1Context *t1, int width, int height, int *nmsedec, int bpno) | |
640 | { | ||
641 | 6655953 | int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS); | |
642 |
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643 |
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644 |
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1801524562 | for (y = y0; y < height && y < y0+4; y++) |
645 |
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1440062455 | if ((t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS)) == JPEG2000_T1_SIG){ |
646 | 695017080 | int ctxno = ff_jpeg2000_getrefctxno(t1->flags[(y+1) * t1->stride + x+1]); | |
647 | 695017080 | *nmsedec += getnmsedec_ref(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS); | |
648 | 695017080 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0); | |
649 | 695017080 | t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_REF; | |
650 | } | ||
651 | 6655953 | } | |
652 | |||
653 | 7483372 | static void encode_clnpass(Jpeg2000T1Context *t1, int width, int height, int bandno, int *nmsedec, int bpno) | |
654 | { | ||
655 | 7483372 | int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS); | |
656 |
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34316812 | for (y0 = 0; y0 < height; y0 += 4) |
657 |
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434242366 | for (x = 0; x < width; x++){ |
658 |
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407408926 | if (y0 + 3 < height && !( |
659 |
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404831834 | (t1->flags[(y0+1) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) || |
660 |
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116790876 | (t1->flags[(y0+2) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) || |
661 |
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105766238 | (t1->flags[(y0+3) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) || |
662 |
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96646236 | (t1->flags[(y0+4) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)))) |
663 | 7209020 | { | |
664 | // aggregation mode | ||
665 | int rlen; | ||
666 |
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442747432 | for (rlen = 0; rlen < 4; rlen++) |
667 |
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357893781 | if (t1->data[(y0+rlen) * t1->stride + x] & mask) |
668 | 7209020 | break; | |
669 | 92062671 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_RL, rlen != 4); | |
670 |
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92062671 | if (rlen == 4) |
671 | 84853651 | continue; | |
672 | 7209020 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_UNI, rlen >> 1); | |
673 | 7209020 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_UNI, rlen & 1); | |
674 |
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24774943 | for (y = y0 + rlen; y < y0 + 4; y++){ |
675 |
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17565923 | if (!(t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))){ |
676 | 17565923 | int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno); | |
677 |
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17565923 | if (y > y0 + rlen) |
678 | 10356903 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0); | |
679 |
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17565923 | if (t1->data[(y) * t1->stride + x] & mask){ // newly significant |
680 | int xorbit; | ||
681 | 8653162 | int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit); | |
682 | 8653162 | *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS); | |
683 | 8653162 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit); | |
684 | 8653162 | ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15); | |
685 | } | ||
686 | } | ||
687 | 17565923 | t1->flags[(y+1) * t1->stride + x+1] &= ~JPEG2000_T1_VIS; | |
688 | } | ||
689 | } else{ | ||
690 |
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691 |
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1254986689 | if (!(t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))){ |
692 | 180356682 | int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno); | |
693 | 180356682 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0); | |
694 |
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180356682 | if (t1->data[(y) * t1->stride + x] & mask){ // newly significant |
695 | int xorbit; | ||
696 | 20817123 | int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit); | |
697 | 20817123 | *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS); | |
698 | 20817123 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit); | |
699 | 20817123 | ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15); | |
700 | } | ||
701 | } | ||
702 | 1254986689 | t1->flags[(y+1) * t1->stride + x+1] &= ~JPEG2000_T1_VIS; | |
703 | } | ||
704 | } | ||
705 | } | ||
706 | 7483372 | } | |
707 | |||
708 | 895700 | static void encode_cblk(Jpeg2000EncoderContext *s, Jpeg2000T1Context *t1, Jpeg2000Cblk *cblk, Jpeg2000Tile *tile, | |
709 | int width, int height, int bandpos, int lev) | ||
710 | { | ||
711 | 895700 | int pass_t = 2, passno, x, y, max=0, nmsedec, bpno; | |
712 | 895700 | int64_t wmsedec = 0; | |
713 | |||
714 | 895700 | memset(t1->flags, 0, t1->stride * (height + 2) * sizeof(*t1->flags)); | |
715 | |||
716 |
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13807950 | for (y = 0; y < height; y++){ |
717 |
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211346850 | for (x = 0; x < width; x++){ |
718 |
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198434600 | if (t1->data[(y) * t1->stride + x] < 0){ |
719 | 81359665 | t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_SGN; | |
720 | 81359665 | t1->data[(y) * t1->stride + x] = -t1->data[(y) * t1->stride + x]; | |
721 | } | ||
722 | 198434600 | max = FFMAX(max, t1->data[(y) * t1->stride + x]); | |
723 | } | ||
724 | } | ||
725 | |||
726 |
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895700 | if (max == 0){ |
727 | 68280 | cblk->nonzerobits = 0; | |
728 | } else{ | ||
729 | 827420 | cblk->nonzerobits = av_log2(max) + 1 - NMSEDEC_FRACBITS; | |
730 | } | ||
731 | 895700 | bpno = cblk->nonzerobits - 1; | |
732 | |||
733 | 895700 | cblk->data[0] = 0; | |
734 | 895700 | ff_mqc_initenc(&t1->mqc, cblk->data + 1); | |
735 | |||
736 |
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21690978 | for (passno = 0; bpno >= 0; passno++){ |
737 | 20795278 | nmsedec=0; | |
738 | |||
739 |
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20795278 | switch(pass_t){ |
740 | 6655953 | case 0: encode_sigpass(t1, width, height, bandpos, &nmsedec, bpno); | |
741 | 6655953 | break; | |
742 | 6655953 | case 1: encode_refpass(t1, width, height, &nmsedec, bpno); | |
743 | 6655953 | break; | |
744 | 7483372 | case 2: encode_clnpass(t1, width, height, bandpos, &nmsedec, bpno); | |
745 | 7483372 | break; | |
746 | } | ||
747 | |||
748 | 20795278 | cblk->passes[passno].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno].flushed, &cblk->passes[passno].flushed_len); | |
749 | 20795278 | cblk->passes[passno].rate -= cblk->passes[passno].flushed_len; | |
750 | |||
751 | 20795278 | wmsedec += (int64_t)nmsedec << (2*bpno); | |
752 | 20795278 | cblk->passes[passno].disto = wmsedec; | |
753 | |||
754 |
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20795278 | if (++pass_t == 3){ |
755 | 7483372 | pass_t = 0; | |
756 | 7483372 | bpno--; | |
757 | } | ||
758 | } | ||
759 | 895700 | cblk->npasses = passno; | |
760 | 895700 | cblk->ninclpasses = passno; | |
761 | |||
762 |
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895700 | if (passno) { |
763 | 827419 | cblk->passes[passno-1].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno-1].flushed, &cblk->passes[passno-1].flushed_len); | |
764 | 827419 | cblk->passes[passno-1].rate -= cblk->passes[passno-1].flushed_len; | |
765 | } | ||
766 | 895700 | } | |
767 | |||
768 | /* tier-2 routines: */ | ||
769 | |||
770 | 794793 | static void putnumpasses(Jpeg2000EncoderContext *s, int n) | |
771 | { | ||
772 |
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794793 | if (n == 1) |
773 | 40682 | put_num(s, 0, 1); | |
774 |
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754111 | else if (n == 2) |
775 | 14650 | put_num(s, 2, 2); | |
776 |
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739461 | else if (n <= 5) |
777 | 109246 | put_num(s, 0xc | (n-3), 4); | |
778 |
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|
630215 | else if (n <= 36) |
779 | 587281 | put_num(s, 0x1e0 | (n-6), 9); | |
780 | else | ||
781 | 42934 | put_num(s, 0xff80 | (n-37), 16); | |
782 | 794793 | } | |
783 | |||
784 | |||
785 | 59150 | static int encode_packet(Jpeg2000EncoderContext *s, Jpeg2000ResLevel *rlevel, int layno, | |
786 | int precno, const uint8_t *expn, int numgbits, int packetno, | ||
787 | int nlayers) | ||
788 | { | ||
789 | 59150 | int bandno, empty = 1; | |
790 | int i; | ||
791 | // init bitstream | ||
792 | 59150 | *s->buf = 0; | |
793 | 59150 | s->bit_index = 0; | |
794 | |||
795 |
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59150 | if (s->sop) { |
796 | ✗ | bytestream_put_be16(&s->buf, JPEG2000_SOP); | |
797 | ✗ | bytestream_put_be16(&s->buf, 4); | |
798 | ✗ | bytestream_put_be16(&s->buf, packetno); | |
799 | } | ||
800 | // header | ||
801 | |||
802 |
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59150 | if (!layno) { |
803 |
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219700 | for (bandno = 0; bandno < rlevel->nbands; bandno++) { |
804 | 160550 | Jpeg2000Band *band = rlevel->band + bandno; | |
805 |
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160550 | if (band->coord[0][0] < band->coord[0][1] |
806 |
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160550 | && band->coord[1][0] < band->coord[1][1]) { |
807 | 152750 | Jpeg2000Prec *prec = band->prec + precno; | |
808 | 152750 | int nb_cblks = prec->nb_codeblocks_height * prec->nb_codeblocks_width; | |
809 | int pos; | ||
810 | 152750 | ff_tag_tree_zero(prec->zerobits, prec->nb_codeblocks_width, prec->nb_codeblocks_height, 99); | |
811 | 152750 | ff_tag_tree_zero(prec->cblkincl, prec->nb_codeblocks_width, prec->nb_codeblocks_height, 99); | |
812 |
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1048450 | for (pos = 0; pos < nb_cblks; pos++) { |
813 | 895700 | Jpeg2000Cblk *cblk = &prec->cblk[pos]; | |
814 | 895700 | prec->zerobits[pos].val = expn[bandno] + numgbits - 1 - cblk->nonzerobits; | |
815 | 895700 | cblk->incl = 0; | |
816 | 895700 | cblk->lblock = 3; | |
817 | 895700 | tag_tree_update(prec->zerobits + pos); | |
818 |
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996607 | for (i = 0; i < nlayers; i++) { |
819 |
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895700 | if (cblk->layers[i].npasses > 0) { |
820 | 794793 | prec->cblkincl[pos].val = i; | |
821 | 794793 | break; | |
822 | } | ||
823 | } | ||
824 |
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895700 | if (i == nlayers) |
825 | 100907 | prec->cblkincl[pos].val = i; | |
826 | 895700 | tag_tree_update(prec->cblkincl + pos); | |
827 | } | ||
828 | } | ||
829 | } | ||
830 | } | ||
831 | |||
832 | // is the packet empty? | ||
833 |
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70883 | for (bandno = 0; bandno < rlevel->nbands; bandno++){ |
834 | 66972 | Jpeg2000Band *band = rlevel->band + bandno; | |
835 |
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66972 | if (band->coord[0][0] < band->coord[0][1] |
836 |
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66972 | && band->coord[1][0] < band->coord[1][1]) { |
837 | 66362 | Jpeg2000Prec *prec = band->prec + precno; | |
838 | 66362 | int nb_cblks = prec->nb_codeblocks_height * prec->nb_codeblocks_width; | |
839 | int pos; | ||
840 |
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134873 | for (pos = 0; pos < nb_cblks; pos++) { |
841 | 123750 | Jpeg2000Cblk *cblk = &prec->cblk[pos]; | |
842 |
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123750 | if (cblk->layers[layno].npasses) { |
843 | 55239 | empty = 0; | |
844 | 55239 | break; | |
845 | } | ||
846 | } | ||
847 |
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66362 | if (!empty) |
848 | 55239 | break; | |
849 | } | ||
850 | } | ||
851 | |||
852 | 59150 | put_bits(s, !empty, 1); | |
853 |
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59150 | if (empty){ |
854 | 3911 | j2k_flush(s); | |
855 |
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3911 | if (s->eph) |
856 | ✗ | bytestream_put_be16(&s->buf, JPEG2000_EPH); | |
857 | 3911 | return 0; | |
858 | } | ||
859 | |||
860 |
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204068 | for (bandno = 0; bandno < rlevel->nbands; bandno++) { |
861 | 148829 | Jpeg2000Band *band = rlevel->band + bandno; | |
862 | 148829 | Jpeg2000Prec *prec = band->prec + precno; | |
863 | int yi, xi, pos; | ||
864 | 148829 | int cblknw = prec->nb_codeblocks_width; | |
865 | |||
866 |
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148829 | if (band->coord[0][0] == band->coord[0][1] |
867 |
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148829 | || band->coord[1][0] == band->coord[1][1]) |
868 | 7190 | continue; | |
869 | |||
870 |
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403878 | for (pos=0, yi = 0; yi < prec->nb_codeblocks_height; yi++) { |
871 |
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1089678 | for (xi = 0; xi < cblknw; xi++, pos++){ |
872 | 827439 | int llen = 0, length; | |
873 | 827439 | Jpeg2000Cblk *cblk = prec->cblk + yi * cblknw + xi; | |
874 | |||
875 |
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827439 | if (s->buf_end - s->buf < 20) // approximately |
876 | ✗ | return -1; | |
877 | |||
878 | // inclusion information | ||
879 |
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827439 | if (!cblk->incl) |
880 | 827439 | tag_tree_code(s, prec->cblkincl + pos, layno + 1); | |
881 | else { | ||
882 | ✗ | put_bits(s, cblk->layers[layno].npasses > 0, 1); | |
883 | } | ||
884 | |||
885 |
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827439 | if (!cblk->layers[layno].npasses) |
886 | 32646 | continue; | |
887 | |||
888 | // zerobits information | ||
889 |
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794793 | if (!cblk->incl) { |
890 | 794793 | tag_tree_code(s, prec->zerobits + pos, 100); | |
891 | 794793 | cblk->incl = 1; | |
892 | } | ||
893 | |||
894 | // number of passes | ||
895 | 794793 | putnumpasses(s, cblk->layers[layno].npasses); | |
896 | |||
897 | 794793 | length = cblk->layers[layno].data_len; | |
898 |
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794793 | if (layno == nlayers - 1 && cblk->layers[layno].cum_passes){ |
899 | 794793 | length += cblk->passes[cblk->layers[layno].cum_passes-1].flushed_len; | |
900 | } | ||
901 |
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794793 | if (cblk->lblock + av_log2(cblk->layers[layno].npasses) < av_log2(length) + 1) { |
902 | 393015 | llen = av_log2(length) + 1 - cblk->lblock - av_log2(cblk->layers[layno].npasses); | |
903 | } | ||
904 | |||
905 | // length of code block | ||
906 | 794793 | cblk->lblock += llen; | |
907 | 794793 | put_bits(s, 1, llen); | |
908 | 794793 | put_bits(s, 0, 1); | |
909 | 794793 | put_num(s, length, cblk->lblock + av_log2(cblk->layers[layno].npasses)); | |
910 | } | ||
911 | } | ||
912 | } | ||
913 | 55239 | j2k_flush(s); | |
914 |
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55239 | if (s->eph) { |
915 | ✗ | bytestream_put_be16(&s->buf, JPEG2000_EPH); | |
916 | } | ||
917 | |||
918 |
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204068 | for (bandno = 0; bandno < rlevel->nbands; bandno++) { |
919 | 148829 | Jpeg2000Band *band = rlevel->band + bandno; | |
920 | 148829 | Jpeg2000Prec *prec = band->prec + precno; | |
921 | 148829 | int yi, cblknw = prec->nb_codeblocks_width; | |
922 |
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418258 | for (yi =0; yi < prec->nb_codeblocks_height; yi++) { |
923 | int xi; | ||
924 |
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1104058 | for (xi = 0; xi < cblknw; xi++){ |
925 | 834629 | Jpeg2000Cblk *cblk = prec->cblk + yi * cblknw + xi; | |
926 |
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834629 | if (cblk->layers[layno].npasses) { |
927 |
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794793 | if (s->buf_end - s->buf < cblk->layers[layno].data_len + 2) |
928 | ✗ | return -1; | |
929 | 794793 | bytestream_put_buffer(&s->buf, cblk->layers[layno].data_start + 1, cblk->layers[layno].data_len); | |
930 |
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794793 | if (layno == nlayers - 1 && cblk->layers[layno].cum_passes) { |
931 | 794793 | bytestream_put_buffer(&s->buf, cblk->passes[cblk->layers[layno].cum_passes-1].flushed, | |
932 | 794793 | cblk->passes[cblk->layers[layno].cum_passes-1].flushed_len); | |
933 | } | ||
934 | } | ||
935 | } | ||
936 | } | ||
937 | } | ||
938 | 55239 | return 0; | |
939 | } | ||
940 | |||
941 | 2600 | static int encode_packets(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno, int nlayers) | |
942 | { | ||
943 | int compno, reslevelno, layno, ret; | ||
944 | 2600 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
945 | 2600 | Jpeg2000QuantStyle *qntsty = &s->qntsty; | |
946 | 2600 | int packetno = 0; | |
947 | int step_x, step_y; | ||
948 | int x, y; | ||
949 | int tile_coord[2][2]; | ||
950 | 2600 | int col = tileno % s->numXtiles; | |
951 | 2600 | int row = tileno / s->numXtiles; | |
952 | |||
953 | 2600 | tile_coord[0][0] = col * s->tile_width; | |
954 | 2600 | tile_coord[0][1] = FFMIN(tile_coord[0][0] + s->tile_width, s->width); | |
955 | 2600 | tile_coord[1][0] = row * s->tile_height; | |
956 | 2600 | tile_coord[1][1] = FFMIN(tile_coord[1][0] + s->tile_height, s->height); | |
957 | |||
958 | 2600 | av_log(s->avctx, AV_LOG_DEBUG, "tier2\n"); | |
959 | // lay-rlevel-comp-pos progression | ||
960 |
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2600 | switch (s->prog) { |
961 | 2600 | case JPEG2000_PGOD_LRCP: | |
962 |
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5200 | for (layno = 0; layno < nlayers; layno++) { |
963 |
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20800 | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){ |
964 |
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77350 | for (compno = 0; compno < s->ncomponents; compno++){ |
965 | int precno; | ||
966 | 59150 | Jpeg2000ResLevel *reslevel = s->tile[tileno].comp[compno].reslevel + reslevelno; | |
967 |
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118300 | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ |
968 |
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59150 | if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), |
969 |
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59150 | qntsty->nguardbits, packetno++, nlayers)) < 0) |
970 | ✗ | return ret; | |
971 | } | ||
972 | } | ||
973 | } | ||
974 | } | ||
975 | 2600 | break; | |
976 | ✗ | case JPEG2000_PGOD_RLCP: | |
977 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){ | |
978 | ✗ | for (layno = 0; layno < nlayers; layno++) { | |
979 | ✗ | for (compno = 0; compno < s->ncomponents; compno++){ | |
980 | int precno; | ||
981 | ✗ | Jpeg2000ResLevel *reslevel = s->tile[tileno].comp[compno].reslevel + reslevelno; | |
982 | ✗ | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ | |
983 | ✗ | if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), | |
984 | ✗ | qntsty->nguardbits, packetno++, nlayers)) < 0) | |
985 | ✗ | return ret; | |
986 | } | ||
987 | } | ||
988 | } | ||
989 | } | ||
990 | ✗ | break; | |
991 | ✗ | case JPEG2000_PGOD_RPCL: | |
992 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) { | |
993 | int precno; | ||
994 | ✗ | step_x = 30; | |
995 | ✗ | step_y = 30; | |
996 | ✗ | for (compno = 0; compno < s->ncomponents; compno++) { | |
997 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
998 | ✗ | if (reslevelno < codsty->nreslevels) { | |
999 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
1000 | ✗ | Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno; | |
1001 | ✗ | step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno); | |
1002 | ✗ | step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno); | |
1003 | } | ||
1004 | } | ||
1005 | |||
1006 | ✗ | step_x = 1<<step_x; | |
1007 | ✗ | step_y = 1<<step_y; | |
1008 | ✗ | for (y = tile_coord[1][0]; y < tile_coord[1][1]; y = (y/step_y + 1)*step_y) { | |
1009 | ✗ | for (x = tile_coord[0][0]; x < tile_coord[0][1]; x = (x/step_x + 1)*step_x) { | |
1010 | ✗ | for (compno = 0; compno < s->ncomponents; compno++) { | |
1011 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
1012 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
1013 | ✗ | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1014 | ✗ | int log_subsampling[2] = { (compno+1&2)?s->chroma_shift[0]:0, (compno+1&2)?s->chroma_shift[1]:0}; | |
1015 | unsigned prcx, prcy; | ||
1016 | int trx0, try0; | ||
1017 | |||
1018 | ✗ | trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno); | |
1019 | ✗ | try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno); | |
1020 | |||
1021 | ✗ | if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 || | |
1022 | ✗ | (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height))))) | |
1023 | ✗ | continue; | |
1024 | |||
1025 | ✗ | if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 || | |
1026 | ✗ | (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width))))) | |
1027 | ✗ | continue; | |
1028 | |||
1029 | // check if a precinct exists | ||
1030 | ✗ | prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width; | |
1031 | ✗ | prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height; | |
1032 | ✗ | prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width; | |
1033 | ✗ | prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height; | |
1034 | ✗ | precno = prcx + reslevel->num_precincts_x * prcy; | |
1035 | |||
1036 | ✗ | if (prcx >= reslevel->num_precincts_x || prcy >= reslevel->num_precincts_y) { | |
1037 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n", | |
1038 | prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y); | ||
1039 | ✗ | continue; | |
1040 | } | ||
1041 | ✗ | for (layno = 0; layno < nlayers; layno++) { | |
1042 | ✗ | if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), | |
1043 | ✗ | qntsty->nguardbits, packetno++, nlayers)) < 0) | |
1044 | ✗ | return ret; | |
1045 | } | ||
1046 | } | ||
1047 | } | ||
1048 | } | ||
1049 | } | ||
1050 | ✗ | break; | |
1051 | ✗ | case JPEG2000_PGOD_PCRL: | |
1052 | ✗ | step_x = 32; | |
1053 | ✗ | step_y = 32; | |
1054 | ✗ | for (compno = 0; compno < s->ncomponents; compno++) { | |
1055 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
1056 | |||
1057 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) { | |
1058 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
1059 | ✗ | Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno; | |
1060 | ✗ | step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno); | |
1061 | ✗ | step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno); | |
1062 | } | ||
1063 | } | ||
1064 | ✗ | if (step_x >= 31 || step_y >= 31){ | |
1065 | ✗ | avpriv_request_sample(s->avctx, "PCRL with large step"); | |
1066 | ✗ | return AVERROR_PATCHWELCOME; | |
1067 | } | ||
1068 | ✗ | step_x = 1<<step_x; | |
1069 | ✗ | step_y = 1<<step_y; | |
1070 | |||
1071 | ✗ | for (y = tile_coord[1][0]; y < tile_coord[1][1]; y = (y/step_y + 1)*step_y) { | |
1072 | ✗ | for (x = tile_coord[0][0]; x < tile_coord[0][1]; x = (x/step_x + 1)*step_x) { | |
1073 | ✗ | for (compno = 0; compno < s->ncomponents; compno++) { | |
1074 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
1075 | ✗ | int log_subsampling[2] = { (compno+1&2)?s->chroma_shift[0]:0, (compno+1&2)?s->chroma_shift[1]:0}; | |
1076 | |||
1077 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) { | |
1078 | unsigned prcx, prcy; | ||
1079 | int precno; | ||
1080 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
1081 | ✗ | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1082 | int trx0, try0; | ||
1083 | |||
1084 | ✗ | trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno); | |
1085 | ✗ | try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno); | |
1086 | |||
1087 | ✗ | if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 || | |
1088 | ✗ | (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height))))) | |
1089 | ✗ | continue; | |
1090 | |||
1091 | ✗ | if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 || | |
1092 | ✗ | (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width))))) | |
1093 | ✗ | continue; | |
1094 | |||
1095 | // check if a precinct exists | ||
1096 | ✗ | prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width; | |
1097 | ✗ | prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height; | |
1098 | ✗ | prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width; | |
1099 | ✗ | prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height; | |
1100 | |||
1101 | ✗ | precno = prcx + reslevel->num_precincts_x * prcy; | |
1102 | |||
1103 | ✗ | if (prcx >= reslevel->num_precincts_x || prcy >= reslevel->num_precincts_y) { | |
1104 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n", | |
1105 | prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y); | ||
1106 | ✗ | continue; | |
1107 | } | ||
1108 | ✗ | for (layno = 0; layno < nlayers; layno++) { | |
1109 | ✗ | if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), | |
1110 | ✗ | qntsty->nguardbits, packetno++, nlayers)) < 0) | |
1111 | ✗ | return ret; | |
1112 | } | ||
1113 | } | ||
1114 | } | ||
1115 | } | ||
1116 | } | ||
1117 | ✗ | break; | |
1118 | ✗ | case JPEG2000_PGOD_CPRL: | |
1119 | ✗ | for (compno = 0; compno < s->ncomponents; compno++) { | |
1120 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
1121 | ✗ | int log_subsampling[2] = { (compno+1&2)?s->chroma_shift[0]:0, (compno+1&2)?s->chroma_shift[1]:0}; | |
1122 | ✗ | step_x = 32; | |
1123 | ✗ | step_y = 32; | |
1124 | |||
1125 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) { | |
1126 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
1127 | ✗ | Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno; | |
1128 | ✗ | step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno); | |
1129 | ✗ | step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno); | |
1130 | } | ||
1131 | ✗ | if (step_x >= 31 || step_y >= 31){ | |
1132 | ✗ | avpriv_request_sample(s->avctx, "CPRL with large step"); | |
1133 | ✗ | return AVERROR_PATCHWELCOME; | |
1134 | } | ||
1135 | ✗ | step_x = 1<<step_x; | |
1136 | ✗ | step_y = 1<<step_y; | |
1137 | |||
1138 | ✗ | for (y = tile_coord[1][0]; y < tile_coord[1][1]; y = (y/step_y + 1)*step_y) { | |
1139 | ✗ | for (x = tile_coord[0][0]; x < tile_coord[0][1]; x = (x/step_x + 1)*step_x) { | |
1140 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) { | |
1141 | unsigned prcx, prcy; | ||
1142 | int precno; | ||
1143 | int trx0, try0; | ||
1144 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
1145 | ✗ | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1146 | |||
1147 | ✗ | trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno); | |
1148 | ✗ | try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno); | |
1149 | |||
1150 | ✗ | if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 || | |
1151 | ✗ | (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height))))) | |
1152 | ✗ | continue; | |
1153 | |||
1154 | ✗ | if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 || | |
1155 | ✗ | (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width))))) | |
1156 | ✗ | continue; | |
1157 | |||
1158 | // check if a precinct exists | ||
1159 | ✗ | prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width; | |
1160 | ✗ | prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height; | |
1161 | ✗ | prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width; | |
1162 | ✗ | prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height; | |
1163 | |||
1164 | ✗ | precno = prcx + reslevel->num_precincts_x * prcy; | |
1165 | |||
1166 | ✗ | if (prcx >= reslevel->num_precincts_x || prcy >= reslevel->num_precincts_y) { | |
1167 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n", | |
1168 | prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y); | ||
1169 | ✗ | continue; | |
1170 | } | ||
1171 | ✗ | for (layno = 0; layno < nlayers; layno++) { | |
1172 | ✗ | if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), | |
1173 | ✗ | qntsty->nguardbits, packetno++, nlayers)) < 0) | |
1174 | ✗ | return ret; | |
1175 | } | ||
1176 | } | ||
1177 | } | ||
1178 | } | ||
1179 | } | ||
1180 | |||
1181 | } | ||
1182 | |||
1183 | 2600 | av_log(s->avctx, AV_LOG_DEBUG, "after tier2\n"); | |
1184 | 2600 | return 0; | |
1185 | } | ||
1186 | |||
1187 | ✗ | static void makelayer(Jpeg2000EncoderContext *s, int layno, double thresh, Jpeg2000Tile* tile, int final) | |
1188 | { | ||
1189 | int compno, resno, bandno, precno, cblkno; | ||
1190 | int passno; | ||
1191 | |||
1192 | ✗ | for (compno = 0; compno < s->ncomponents; compno++) { | |
1193 | ✗ | Jpeg2000Component *comp = &tile->comp[compno]; | |
1194 | |||
1195 | ✗ | for (resno = 0; resno < s->codsty.nreslevels; resno++) { | |
1196 | ✗ | Jpeg2000ResLevel *reslevel = comp->reslevel + resno; | |
1197 | |||
1198 | ✗ | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ | |
1199 | ✗ | for (bandno = 0; bandno < reslevel->nbands ; bandno++){ | |
1200 | ✗ | Jpeg2000Band *band = reslevel->band + bandno; | |
1201 | ✗ | Jpeg2000Prec *prec = band->prec + precno; | |
1202 | |||
1203 | ✗ | for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){ | |
1204 | ✗ | Jpeg2000Cblk *cblk = prec->cblk + cblkno; | |
1205 | ✗ | Jpeg2000Layer *layer = &cblk->layers[layno]; | |
1206 | int n; | ||
1207 | |||
1208 | ✗ | if (layno == 0) { | |
1209 | ✗ | cblk->ninclpasses = 0; | |
1210 | } | ||
1211 | |||
1212 | ✗ | n = cblk->ninclpasses; | |
1213 | |||
1214 | ✗ | if (thresh < 0) { | |
1215 | ✗ | n = cblk->npasses; | |
1216 | } else { | ||
1217 | ✗ | for (passno = cblk->ninclpasses; passno < cblk->npasses; passno++) { | |
1218 | int32_t dr; | ||
1219 | double dd; | ||
1220 | ✗ | Jpeg2000Pass *pass = &cblk->passes[passno]; | |
1221 | |||
1222 | ✗ | if (n == 0) { | |
1223 | ✗ | dr = pass->rate; | |
1224 | ✗ | dd = pass->disto; | |
1225 | } else { | ||
1226 | ✗ | dr = pass->rate - cblk->passes[n - 1].rate; | |
1227 | ✗ | dd = pass->disto - cblk->passes[n-1].disto; | |
1228 | } | ||
1229 | |||
1230 | ✗ | if (!dr) { | |
1231 | ✗ | if (dd != 0.0) { | |
1232 | ✗ | n = passno + 1; | |
1233 | } | ||
1234 | ✗ | continue; | |
1235 | } | ||
1236 | |||
1237 | ✗ | if (thresh - (dd / dr) < DBL_EPSILON) | |
1238 | ✗ | n = passno + 1; | |
1239 | } | ||
1240 | } | ||
1241 | ✗ | layer->npasses = n - cblk->ninclpasses; | |
1242 | ✗ | layer->cum_passes = n; | |
1243 | |||
1244 | ✗ | if (layer->npasses == 0) { | |
1245 | ✗ | layer->disto = 0; | |
1246 | ✗ | layer->data_len = 0; | |
1247 | ✗ | continue; | |
1248 | } | ||
1249 | |||
1250 | ✗ | if (cblk->ninclpasses == 0) { | |
1251 | ✗ | layer->data_len = cblk->passes[n - 1].rate; | |
1252 | ✗ | layer->data_start = cblk->data; | |
1253 | ✗ | layer->disto = cblk->passes[n - 1].disto; | |
1254 | } else { | ||
1255 | ✗ | layer->data_len = cblk->passes[n - 1].rate - cblk->passes[cblk->ninclpasses - 1].rate; | |
1256 | ✗ | layer->data_start = cblk->data + cblk->passes[cblk->ninclpasses - 1].rate; | |
1257 | ✗ | layer->disto = cblk->passes[n - 1].disto - | |
1258 | ✗ | cblk->passes[cblk->ninclpasses - 1].disto; | |
1259 | } | ||
1260 | ✗ | if (final) { | |
1261 | ✗ | cblk->ninclpasses = n; | |
1262 | } | ||
1263 | } | ||
1264 | } | ||
1265 | } | ||
1266 | } | ||
1267 | } | ||
1268 | ✗ | } | |
1269 | |||
1270 | ✗ | static void makelayers(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile) | |
1271 | { | ||
1272 | int precno, compno, reslevelno, bandno, cblkno, passno, layno; | ||
1273 | int i; | ||
1274 | ✗ | double min = DBL_MAX; | |
1275 | ✗ | double max = 0; | |
1276 | double thresh; | ||
1277 | |||
1278 | ✗ | Jpeg2000CodingStyle *codsty = &s->codsty; | |
1279 | |||
1280 | ✗ | for (compno = 0; compno < s->ncomponents; compno++){ | |
1281 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
1282 | |||
1283 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){ | |
1284 | ✗ | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1285 | |||
1286 | ✗ | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ | |
1287 | ✗ | for (bandno = 0; bandno < reslevel->nbands ; bandno++){ | |
1288 | ✗ | Jpeg2000Band *band = reslevel->band + bandno; | |
1289 | ✗ | Jpeg2000Prec *prec = band->prec + precno; | |
1290 | |||
1291 | ✗ | for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){ | |
1292 | ✗ | Jpeg2000Cblk *cblk = prec->cblk + cblkno; | |
1293 | ✗ | for (passno = 0; passno < cblk->npasses; passno++) { | |
1294 | ✗ | Jpeg2000Pass *pass = &cblk->passes[passno]; | |
1295 | int dr; | ||
1296 | double dd, drslope; | ||
1297 | |||
1298 | ✗ | if (passno == 0) { | |
1299 | ✗ | dr = (int32_t)pass->rate; | |
1300 | ✗ | dd = pass->disto; | |
1301 | } else { | ||
1302 | ✗ | dr = (int32_t)(pass->rate - cblk->passes[passno - 1].rate); | |
1303 | ✗ | dd = pass->disto - cblk->passes[passno - 1].disto; | |
1304 | } | ||
1305 | |||
1306 | ✗ | if (dr <= 0) | |
1307 | ✗ | continue; | |
1308 | |||
1309 | ✗ | drslope = dd / dr; | |
1310 | ✗ | if (drslope < min) | |
1311 | ✗ | min = drslope; | |
1312 | |||
1313 | ✗ | if (drslope > max) | |
1314 | ✗ | max = drslope; | |
1315 | } | ||
1316 | } | ||
1317 | } | ||
1318 | } | ||
1319 | } | ||
1320 | } | ||
1321 | |||
1322 | ✗ | for (layno = 0; layno < s->nlayers; layno++) { | |
1323 | ✗ | double lo = min; | |
1324 | ✗ | double hi = max; | |
1325 | ✗ | double stable_thresh = 0.0; | |
1326 | ✗ | double good_thresh = 0.0; | |
1327 | ✗ | if (!s->layer_rates[layno]) { | |
1328 | ✗ | good_thresh = -1.0; | |
1329 | } else { | ||
1330 | ✗ | for (i = 0; i < 128; i++) { | |
1331 | ✗ | uint8_t *stream_pos = s->buf; | |
1332 | int ret; | ||
1333 | ✗ | thresh = (lo + hi) / 2; | |
1334 | ✗ | makelayer(s, layno, thresh, tile, 0); | |
1335 | ✗ | ret = encode_packets(s, tile, (int)(tile - s->tile), layno + 1); | |
1336 | ✗ | memset(stream_pos, 0, s->buf - stream_pos); | |
1337 | ✗ | if ((s->buf - stream_pos > ceil(tile->layer_rates[layno])) || ret < 0) { | |
1338 | ✗ | lo = thresh; | |
1339 | ✗ | s->buf = stream_pos; | |
1340 | ✗ | continue; | |
1341 | } | ||
1342 | ✗ | hi = thresh; | |
1343 | ✗ | stable_thresh = thresh; | |
1344 | ✗ | s->buf = stream_pos; | |
1345 | } | ||
1346 | } | ||
1347 | ✗ | if (good_thresh >= 0.0) | |
1348 | ✗ | good_thresh = stable_thresh == 0.0 ? thresh : stable_thresh; | |
1349 | ✗ | makelayer(s, layno, good_thresh, tile, 1); | |
1350 | } | ||
1351 | ✗ | } | |
1352 | |||
1353 | 903500 | static int getcut(Jpeg2000Cblk *cblk, uint64_t lambda) | |
1354 | { | ||
1355 | 903500 | int passno, res = 0; | |
1356 |
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21698778 | for (passno = 0; passno < cblk->npasses; passno++){ |
1357 | int dr; | ||
1358 | int64_t dd; | ||
1359 | |||
1360 | 41590556 | dr = cblk->passes[passno].rate | |
1361 |
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20795278 | - (res ? cblk->passes[res-1].rate : 0); |
1362 | 41590556 | dd = cblk->passes[passno].disto | |
1363 |
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20795278 | - (res ? cblk->passes[res-1].disto : 0); |
1364 | |||
1365 |
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|
20795278 | if (dd >= dr * lambda) |
1366 | 11304818 | res = passno+1; | |
1367 | } | ||
1368 | 903500 | return res; | |
1369 | } | ||
1370 | |||
1371 | 2600 | static void truncpasses(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile) | |
1372 | { | ||
1373 | int precno, compno, reslevelno, bandno, cblkno, lev; | ||
1374 | 2600 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
1375 | |||
1376 |
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11050 | for (compno = 0; compno < s->ncomponents; compno++){ |
1377 | 8450 | Jpeg2000Component *comp = tile->comp + compno; | |
1378 | |||
1379 |
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67600 | for (reslevelno = 0, lev = codsty->nreslevels-1; reslevelno < codsty->nreslevels; reslevelno++, lev--){ |
1380 | 59150 | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1381 | |||
1382 |
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118300 | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ |
1383 |
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219700 | for (bandno = 0; bandno < reslevel->nbands ; bandno++){ |
1384 | 160550 | int bandpos = bandno + (reslevelno > 0); | |
1385 | 160550 | Jpeg2000Band *band = reslevel->band + bandno; | |
1386 | 160550 | Jpeg2000Prec *prec = band->prec + precno; | |
1387 | |||
1388 | 160550 | int64_t dwt_norm = dwt_norms[codsty->transform == FF_DWT53][bandpos][lev] * (int64_t)band->i_stepsize >> 15; | |
1389 | 160550 | int64_t lambda_prime = av_rescale(s->lambda, 1 << WMSEDEC_SHIFT, dwt_norm * dwt_norm); | |
1390 |
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1064050 | for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){ |
1391 | 903500 | Jpeg2000Cblk *cblk = prec->cblk + cblkno; | |
1392 | |||
1393 | 903500 | cblk->ninclpasses = getcut(cblk, lambda_prime); | |
1394 | 903500 | cblk->layers[0].data_start = cblk->data; | |
1395 | 903500 | cblk->layers[0].cum_passes = cblk->ninclpasses; | |
1396 | 903500 | cblk->layers[0].npasses = cblk->ninclpasses; | |
1397 |
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|
903500 | if (cblk->ninclpasses) |
1398 | 794793 | cblk->layers[0].data_len = cblk->passes[cblk->ninclpasses - 1].rate; | |
1399 | } | ||
1400 | } | ||
1401 | } | ||
1402 | } | ||
1403 | } | ||
1404 | 2600 | } | |
1405 | |||
1406 | 2600 | static int encode_tile(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno) | |
1407 | { | ||
1408 | int compno, reslevelno, bandno, ret; | ||
1409 | Jpeg2000T1Context t1; | ||
1410 | 2600 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
1411 |
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11050 | for (compno = 0; compno < s->ncomponents; compno++){ |
1412 | 8450 | Jpeg2000Component *comp = s->tile[tileno].comp + compno; | |
1413 | |||
1414 | 8450 | t1.stride = (1<<codsty->log2_cblk_width) + 2; | |
1415 | |||
1416 | 8450 | av_log(s->avctx, AV_LOG_DEBUG,"dwt\n"); | |
1417 |
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|
8450 | if ((ret = ff_dwt_encode(&comp->dwt, comp->i_data)) < 0) |
1418 | ✗ | return ret; | |
1419 | 8450 | av_log(s->avctx, AV_LOG_DEBUG,"after dwt -> tier1\n"); | |
1420 | |||
1421 |
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67600 | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){ |
1422 | 59150 | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1423 | |||
1424 |
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219700 | for (bandno = 0; bandno < reslevel->nbands ; bandno++){ |
1425 | 160550 | Jpeg2000Band *band = reslevel->band + bandno; | |
1426 | 160550 | Jpeg2000Prec *prec = band->prec; // we support only 1 precinct per band ATM in the encoder | |
1427 | 160550 | int cblkx, cblky, cblkno=0, xx0, x0, xx1, y0, yy0, yy1, bandpos; | |
1428 |
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|
160550 | yy0 = bandno == 0 ? 0 : comp->reslevel[reslevelno-1].coord[1][1] - comp->reslevel[reslevelno-1].coord[1][0]; |
1429 | 160550 | y0 = yy0; | |
1430 |
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|
160550 | yy1 = FFMIN(ff_jpeg2000_ceildivpow2(band->coord[1][0] + 1, band->log2_cblk_height) << band->log2_cblk_height, |
1431 | 160550 | band->coord[1][1]) - band->coord[1][0] + yy0; | |
1432 | |||
1433 |
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|
160550 | if (band->coord[0][0] == band->coord[0][1] || band->coord[1][0] == band->coord[1][1]) |
1434 | 7800 | continue; | |
1435 | |||
1436 | 152750 | bandpos = bandno + (reslevelno > 0); | |
1437 | |||
1438 |
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436150 | for (cblky = 0; cblky < prec->nb_codeblocks_height; cblky++){ |
1439 |
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|
283400 | if (reslevelno == 0 || bandno == 1) |
1440 | 98800 | xx0 = 0; | |
1441 | else | ||
1442 | 184600 | xx0 = comp->reslevel[reslevelno-1].coord[0][1] - comp->reslevel[reslevelno-1].coord[0][0]; | |
1443 | 283400 | x0 = xx0; | |
1444 |
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|
283400 | xx1 = FFMIN(ff_jpeg2000_ceildivpow2(band->coord[0][0] + 1, band->log2_cblk_width) << band->log2_cblk_width, |
1445 | 283400 | band->coord[0][1]) - band->coord[0][0] + xx0; | |
1446 | |||
1447 |
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1179100 | for (cblkx = 0; cblkx < prec->nb_codeblocks_width; cblkx++, cblkno++){ |
1448 | int y, x; | ||
1449 |
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|
895700 | if (codsty->transform == FF_DWT53){ |
1450 |
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|
10621500 | for (y = yy0; y < yy1; y++){ |
1451 | 9932500 | int *ptr = t1.data + (y-yy0)*t1.stride; | |
1452 |
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|
162574500 | for (x = xx0; x < xx1; x++){ |
1453 | 152642000 | *ptr++ = comp->i_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x] * (1 << NMSEDEC_FRACBITS); | |
1454 | } | ||
1455 | } | ||
1456 | } else{ | ||
1457 |
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|
3186450 | for (y = yy0; y < yy1; y++){ |
1458 | 2979750 | int *ptr = t1.data + (y-yy0)*t1.stride; | |
1459 |
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48772350 | for (x = xx0; x < xx1; x++){ |
1460 | 45792600 | *ptr = (comp->i_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x]); | |
1461 | 45792600 | *ptr = (int64_t)*ptr * (int64_t)(16384 * 65536 / band->i_stepsize) >> 15 - NMSEDEC_FRACBITS; | |
1462 | 45792600 | ptr++; | |
1463 | } | ||
1464 | } | ||
1465 | } | ||
1466 |
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|
895700 | if (!prec->cblk[cblkno].data) |
1467 | 17914 | prec->cblk[cblkno].data = av_malloc(1 + 8192); | |
1468 |
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|
895700 | if (!prec->cblk[cblkno].passes) |
1469 | 17914 | prec->cblk[cblkno].passes = av_malloc_array(JPEG2000_MAX_PASSES, sizeof (*prec->cblk[cblkno].passes)); | |
1470 |
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|
895700 | if (!prec->cblk[cblkno].data || !prec->cblk[cblkno].passes) |
1471 | ✗ | return AVERROR(ENOMEM); | |
1472 | 895700 | encode_cblk(s, &t1, prec->cblk + cblkno, tile, xx1 - xx0, yy1 - yy0, | |
1473 | 895700 | bandpos, codsty->nreslevels - reslevelno - 1); | |
1474 | 895700 | xx0 = xx1; | |
1475 | 895700 | xx1 = FFMIN(xx1 + (1 << band->log2_cblk_width), band->coord[0][1] - band->coord[0][0] + x0); | |
1476 | } | ||
1477 | 283400 | yy0 = yy1; | |
1478 | 283400 | yy1 = FFMIN(yy1 + (1 << band->log2_cblk_height), band->coord[1][1] - band->coord[1][0] + y0); | |
1479 | } | ||
1480 | } | ||
1481 | } | ||
1482 | 8450 | av_log(s->avctx, AV_LOG_DEBUG, "after tier1\n"); | |
1483 | } | ||
1484 | |||
1485 | 2600 | av_log(s->avctx, AV_LOG_DEBUG, "rate control\n"); | |
1486 |
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|
2600 | if (s->compression_rate_enc) |
1487 | ✗ | makelayers(s, tile); | |
1488 | else | ||
1489 | 2600 | truncpasses(s, tile); | |
1490 | |||
1491 |
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|
2600 | if ((ret = encode_packets(s, tile, tileno, s->nlayers)) < 0) |
1492 | ✗ | return ret; | |
1493 | 2600 | av_log(s->avctx, AV_LOG_DEBUG, "after rate control\n"); | |
1494 | 2600 | return 0; | |
1495 | } | ||
1496 | |||
1497 | 16 | static void cleanup(Jpeg2000EncoderContext *s) | |
1498 | { | ||
1499 | int tileno, compno; | ||
1500 | 16 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
1501 | |||
1502 |
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|
16 | if (!s->tile) |
1503 | ✗ | return; | |
1504 |
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|
68 | for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ |
1505 |
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|
52 | if (s->tile[tileno].comp) { |
1506 |
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|
221 | for (compno = 0; compno < s->ncomponents; compno++){ |
1507 | 169 | Jpeg2000Component *comp = s->tile[tileno].comp + compno; | |
1508 | 169 | ff_jpeg2000_cleanup(comp, codsty); | |
1509 | } | ||
1510 | 52 | av_freep(&s->tile[tileno].comp); | |
1511 | } | ||
1512 | 52 | av_freep(&s->tile[tileno].layer_rates); | |
1513 | } | ||
1514 | 16 | av_freep(&s->tile); | |
1515 | } | ||
1516 | |||
1517 | 800 | static void reinit(Jpeg2000EncoderContext *s) | |
1518 | { | ||
1519 | int tileno, compno; | ||
1520 |
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|
3400 | for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ |
1521 | 2600 | Jpeg2000Tile *tile = s->tile + tileno; | |
1522 |
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11050 | for (compno = 0; compno < s->ncomponents; compno++) |
1523 | 8450 | ff_jpeg2000_reinit(tile->comp + compno, &s->codsty); | |
1524 | } | ||
1525 | 800 | } | |
1526 | |||
1527 | 4000 | static void update_size(uint8_t *size, const uint8_t *end) | |
1528 | { | ||
1529 | 4000 | AV_WB32(size, end-size); | |
1530 | 4000 | } | |
1531 | |||
1532 | 800 | static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, | |
1533 | const AVFrame *pict, int *got_packet) | ||
1534 | { | ||
1535 | int tileno, ret; | ||
1536 | 800 | Jpeg2000EncoderContext *s = avctx->priv_data; | |
1537 | uint8_t *chunkstart, *jp2cstart, *jp2hstart; | ||
1538 | 800 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); | |
1539 | |||
1540 |
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|
800 | if ((ret = ff_alloc_packet(avctx, pkt, avctx->width*avctx->height*9 + FF_INPUT_BUFFER_MIN_SIZE)) < 0) |
1541 | ✗ | return ret; | |
1542 | |||
1543 | // init: | ||
1544 | 800 | s->buf = s->buf_start = pkt->data; | |
1545 | 800 | s->buf_end = pkt->data + pkt->size; | |
1546 | |||
1547 | 800 | s->picture = pict; | |
1548 | |||
1549 | 800 | s->lambda = s->picture->quality * LAMBDA_SCALE; | |
1550 | |||
1551 |
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|
800 | if (s->cbps[0] > 8) |
1552 | 400 | copy_frame_16(s); | |
1553 | else | ||
1554 | 400 | copy_frame_8(s); | |
1555 | |||
1556 | 800 | reinit(s); | |
1557 | |||
1558 |
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|
800 | if (s->format == CODEC_JP2) { |
1559 |
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|
800 | av_assert0(s->buf == pkt->data); |
1560 | |||
1561 | 800 | bytestream_put_be32(&s->buf, 0x0000000C); | |
1562 | 800 | bytestream_put_be32(&s->buf, 0x6A502020); | |
1563 | 800 | bytestream_put_be32(&s->buf, 0x0D0A870A); | |
1564 | |||
1565 | 800 | chunkstart = s->buf; | |
1566 | 800 | bytestream_put_be32(&s->buf, 0); | |
1567 | 800 | bytestream_put_buffer(&s->buf, "ftyp", 4); | |
1568 | 800 | bytestream_put_buffer(&s->buf, "jp2\040\040", 4); | |
1569 | 800 | bytestream_put_be32(&s->buf, 0); | |
1570 | 800 | bytestream_put_buffer(&s->buf, "jp2\040", 4); | |
1571 | 800 | update_size(chunkstart, s->buf); | |
1572 | |||
1573 | 800 | jp2hstart = s->buf; | |
1574 | 800 | bytestream_put_be32(&s->buf, 0); | |
1575 | 800 | bytestream_put_buffer(&s->buf, "jp2h", 4); | |
1576 | |||
1577 | 800 | chunkstart = s->buf; | |
1578 | 800 | bytestream_put_be32(&s->buf, 0); | |
1579 | 800 | bytestream_put_buffer(&s->buf, "ihdr", 4); | |
1580 | 800 | bytestream_put_be32(&s->buf, avctx->height); | |
1581 | 800 | bytestream_put_be32(&s->buf, avctx->width); | |
1582 | 800 | bytestream_put_be16(&s->buf, s->ncomponents); | |
1583 | 800 | bytestream_put_byte(&s->buf, s->cbps[0]); | |
1584 | 800 | bytestream_put_byte(&s->buf, 7); | |
1585 | 800 | bytestream_put_byte(&s->buf, 0); | |
1586 | 800 | bytestream_put_byte(&s->buf, 0); | |
1587 | 800 | update_size(chunkstart, s->buf); | |
1588 | |||
1589 | 800 | chunkstart = s->buf; | |
1590 | 800 | bytestream_put_be32(&s->buf, 0); | |
1591 | 800 | bytestream_put_buffer(&s->buf, "colr", 4); | |
1592 | 800 | bytestream_put_byte(&s->buf, 1); | |
1593 | 800 | bytestream_put_byte(&s->buf, 0); | |
1594 | 800 | bytestream_put_byte(&s->buf, 0); | |
1595 |
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|
800 | if ((desc->flags & AV_PIX_FMT_FLAG_RGB) || avctx->pix_fmt == AV_PIX_FMT_PAL8) { |
1596 | 600 | bytestream_put_be32(&s->buf, 16); | |
1597 |
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|
200 | } else if (s->ncomponents == 1) { |
1598 | ✗ | bytestream_put_be32(&s->buf, 17); | |
1599 | } else { | ||
1600 | 200 | bytestream_put_be32(&s->buf, 18); | |
1601 | } | ||
1602 | 800 | update_size(chunkstart, s->buf); | |
1603 |
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|
800 | if (avctx->pix_fmt == AV_PIX_FMT_PAL8) { |
1604 | int i; | ||
1605 | ✗ | const uint8_t *palette = pict->data[1]; | |
1606 | ✗ | chunkstart = s->buf; | |
1607 | ✗ | bytestream_put_be32(&s->buf, 0); | |
1608 | ✗ | bytestream_put_buffer(&s->buf, "pclr", 4); | |
1609 | ✗ | bytestream_put_be16(&s->buf, AVPALETTE_COUNT); | |
1610 | ✗ | bytestream_put_byte(&s->buf, 3); // colour channels | |
1611 | ✗ | bytestream_put_be24(&s->buf, 0x070707); //colour depths | |
1612 | ✗ | for (i = 0; i < AVPALETTE_COUNT; i++) { | |
1613 | ✗ | bytestream_put_be24(&s->buf, HAVE_BIGENDIAN ? AV_RB24(palette + 1) : AV_RL24(palette)); | |
1614 | ✗ | palette += 4; | |
1615 | } | ||
1616 | ✗ | update_size(chunkstart, s->buf); | |
1617 | ✗ | chunkstart = s->buf; | |
1618 | ✗ | bytestream_put_be32(&s->buf, 0); | |
1619 | ✗ | bytestream_put_buffer(&s->buf, "cmap", 4); | |
1620 | ✗ | for (i = 0; i < 3; i++) { | |
1621 | ✗ | bytestream_put_be16(&s->buf, 0); // component | |
1622 | ✗ | bytestream_put_byte(&s->buf, 1); // palette mapping | |
1623 | ✗ | bytestream_put_byte(&s->buf, i); // index | |
1624 | } | ||
1625 | ✗ | update_size(chunkstart, s->buf); | |
1626 | } | ||
1627 | 800 | update_size(jp2hstart, s->buf); | |
1628 | |||
1629 | 800 | jp2cstart = s->buf; | |
1630 | 800 | bytestream_put_be32(&s->buf, 0); | |
1631 | 800 | bytestream_put_buffer(&s->buf, "jp2c", 4); | |
1632 | } | ||
1633 | |||
1634 |
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|
800 | if (s->buf_end - s->buf < 2) |
1635 | ✗ | return -1; | |
1636 | 800 | bytestream_put_be16(&s->buf, JPEG2000_SOC); | |
1637 |
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|
800 | if ((ret = put_siz(s)) < 0) |
1638 | ✗ | return ret; | |
1639 |
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|
800 | if ((ret = put_cod(s)) < 0) |
1640 | ✗ | return ret; | |
1641 |
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|
800 | if ((ret = put_qcd(s, 0)) < 0) |
1642 | ✗ | return ret; | |
1643 |
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|
800 | if ((ret = put_com(s, 0)) < 0) |
1644 | ✗ | return ret; | |
1645 | |||
1646 |
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|
3400 | for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ |
1647 | uint8_t *psotptr; | ||
1648 |
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|
2600 | if (!(psotptr = put_sot(s, tileno))) |
1649 | ✗ | return -1; | |
1650 |
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|
2600 | if (s->buf_end - s->buf < 2) |
1651 | ✗ | return -1; | |
1652 | 2600 | bytestream_put_be16(&s->buf, JPEG2000_SOD); | |
1653 |
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|
2600 | if ((ret = encode_tile(s, s->tile + tileno, tileno)) < 0) |
1654 | ✗ | return ret; | |
1655 | 2600 | bytestream_put_be32(&psotptr, s->buf - psotptr + 6); | |
1656 | } | ||
1657 |
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|
800 | if (s->buf_end - s->buf < 2) |
1658 | ✗ | return -1; | |
1659 | 800 | bytestream_put_be16(&s->buf, JPEG2000_EOC); | |
1660 | |||
1661 |
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|
800 | if (s->format == CODEC_JP2) |
1662 | 800 | update_size(jp2cstart, s->buf); | |
1663 | |||
1664 | 800 | av_log(s->avctx, AV_LOG_DEBUG, "end\n"); | |
1665 | 800 | pkt->size = s->buf - s->buf_start; | |
1666 | 800 | *got_packet = 1; | |
1667 | |||
1668 | 800 | return 0; | |
1669 | } | ||
1670 | |||
1671 | 16 | static int parse_layer_rates(Jpeg2000EncoderContext *s) | |
1672 | { | ||
1673 | int i; | ||
1674 | char *token; | ||
1675 | 16 | char *saveptr = NULL; | |
1676 | int rate; | ||
1677 | 16 | int nlayers = 0; | |
1678 |
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16 | if (!s->lr_str) { |
1679 | 16 | s->nlayers = 1; | |
1680 | 16 | s->layer_rates[0] = 0; | |
1681 | 16 | s->compression_rate_enc = 0; | |
1682 | 16 | return 0; | |
1683 | } | ||
1684 | |||
1685 | ✗ | token = av_strtok(s->lr_str, ",", &saveptr); | |
1686 | ✗ | if (token && (rate = strtol(token, NULL, 10))) { | |
1687 | ✗ | s->layer_rates[0] = rate <= 1 ? 0:rate; | |
1688 | ✗ | nlayers++; | |
1689 | } else { | ||
1690 | ✗ | return AVERROR_INVALIDDATA; | |
1691 | } | ||
1692 | |||
1693 | while (1) { | ||
1694 | ✗ | token = av_strtok(NULL, ",", &saveptr); | |
1695 | ✗ | if (!token) | |
1696 | ✗ | break; | |
1697 | ✗ | if (rate = strtol(token, NULL, 10)) { | |
1698 | ✗ | if (nlayers >= 100) { | |
1699 | ✗ | return AVERROR_INVALIDDATA; | |
1700 | } | ||
1701 | ✗ | s->layer_rates[nlayers] = rate <= 1 ? 0:rate; | |
1702 | ✗ | nlayers++; | |
1703 | } else { | ||
1704 | ✗ | return AVERROR_INVALIDDATA; | |
1705 | } | ||
1706 | } | ||
1707 | |||
1708 | ✗ | for (i = 1; i < nlayers; i++) { | |
1709 | ✗ | if (s->layer_rates[i] >= s->layer_rates[i-1]) { | |
1710 | ✗ | return AVERROR_INVALIDDATA; | |
1711 | } | ||
1712 | } | ||
1713 | ✗ | s->nlayers = nlayers; | |
1714 | ✗ | s->compression_rate_enc = 1; | |
1715 | ✗ | return 0; | |
1716 | } | ||
1717 | |||
1718 | 16 | static av_cold int j2kenc_init(AVCodecContext *avctx) | |
1719 | { | ||
1720 | static AVOnce init_static_once = AV_ONCE_INIT; | ||
1721 | int i, ret; | ||
1722 | 16 | Jpeg2000EncoderContext *s = avctx->priv_data; | |
1723 | 16 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
1724 | 16 | Jpeg2000QuantStyle *qntsty = &s->qntsty; | |
1725 | 16 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); | |
1726 | |||
1727 | 16 | s->avctx = avctx; | |
1728 | 16 | av_log(s->avctx, AV_LOG_DEBUG, "init\n"); | |
1729 |
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16 | if (parse_layer_rates(s)) { |
1730 | ✗ | av_log(avctx, AV_LOG_WARNING, "Layer rates invalid. Encoding with 1 layer based on quality metric.\n"); | |
1731 | ✗ | s->nlayers = 1; | |
1732 | ✗ | s->layer_rates[0] = 0; | |
1733 | ✗ | s->compression_rate_enc = 0; | |
1734 | } | ||
1735 | |||
1736 |
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16 | if (avctx->pix_fmt == AV_PIX_FMT_PAL8 && (s->pred != FF_DWT97_INT || s->format != CODEC_JP2)) { |
1737 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "Forcing lossless jp2 for pal8\n"); | |
1738 | ✗ | s->pred = 1; | |
1739 | ✗ | s->format = CODEC_JP2; | |
1740 | } | ||
1741 | |||
1742 | // defaults: | ||
1743 | // TODO: implement setting non-standard precinct size | ||
1744 | 16 | memset(codsty->log2_prec_widths , 15, sizeof(codsty->log2_prec_widths )); | |
1745 | 16 | memset(codsty->log2_prec_heights, 15, sizeof(codsty->log2_prec_heights)); | |
1746 | 16 | codsty->nreslevels2decode= | |
1747 | 16 | codsty->nreslevels = 7; | |
1748 | 16 | codsty->nlayers = s->nlayers; | |
1749 | 16 | codsty->log2_cblk_width = 4; | |
1750 | 16 | codsty->log2_cblk_height = 4; | |
1751 |
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16 | codsty->transform = s->pred ? FF_DWT53 : FF_DWT97_INT; |
1752 | |||
1753 | 16 | qntsty->nguardbits = 1; | |
1754 | |||
1755 |
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16 | if ((s->tile_width & (s->tile_width -1)) || |
1756 |
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16 | (s->tile_height & (s->tile_height-1))) { |
1757 | ✗ | av_log(avctx, AV_LOG_WARNING, "Tile dimension not a power of 2\n"); | |
1758 | } | ||
1759 | |||
1760 |
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16 | if (codsty->transform == FF_DWT53) |
1761 | 12 | qntsty->quantsty = JPEG2000_QSTY_NONE; | |
1762 | else | ||
1763 | 4 | qntsty->quantsty = JPEG2000_QSTY_SE; | |
1764 | |||
1765 | 16 | s->width = avctx->width; | |
1766 | 16 | s->height = avctx->height; | |
1767 | |||
1768 | 16 | s->ncomponents = desc->nb_components; | |
1769 |
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80 | for (i = 0; i < 4; i++) { |
1770 | 64 | s->cbps[i] = desc->comp[i].depth; | |
1771 | 64 | s->comp_remap[i] = i; //default | |
1772 | } | ||
1773 | |||
1774 |
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16 | if ((desc->flags & AV_PIX_FMT_FLAG_PLANAR) && s->ncomponents > 1) { |
1775 | 8 | s->planar = 1; | |
1776 | 8 | ret = av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, | |
1777 | 8 | s->chroma_shift, s->chroma_shift + 1); | |
1778 |
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8 | if (ret) |
1779 | ✗ | return ret; | |
1780 |
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8 | if (desc->flags & AV_PIX_FMT_FLAG_RGB) { |
1781 | 4 | s->comp_remap[0] = 2; | |
1782 | 4 | s->comp_remap[1] = 0; | |
1783 | 4 | s->comp_remap[2] = 1; | |
1784 | } | ||
1785 | } | ||
1786 | |||
1787 | 16 | ff_thread_once(&init_static_once, init_luts); | |
1788 | |||
1789 | 16 | init_quantization(s); | |
1790 |
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16 | if ((ret=init_tiles(s)) < 0) |
1791 | ✗ | return ret; | |
1792 | |||
1793 | 16 | av_log(s->avctx, AV_LOG_DEBUG, "after init\n"); | |
1794 | |||
1795 | 16 | return 0; | |
1796 | } | ||
1797 | |||
1798 | 16 | static int j2kenc_destroy(AVCodecContext *avctx) | |
1799 | { | ||
1800 | 16 | Jpeg2000EncoderContext *s = avctx->priv_data; | |
1801 | |||
1802 | 16 | cleanup(s); | |
1803 | 16 | return 0; | |
1804 | } | ||
1805 | |||
1806 | // taken from the libopenjpeg wrapper so it matches | ||
1807 | |||
1808 | #define OFFSET(x) offsetof(Jpeg2000EncoderContext, x) | ||
1809 | #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM | ||
1810 | static const AVOption options[] = { | ||
1811 | { "format", "Codec Format", OFFSET(format), AV_OPT_TYPE_INT, { .i64 = CODEC_JP2 }, CODEC_J2K, CODEC_JP2, VE, .unit = "format" }, | ||
1812 | { "j2k", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_J2K }, 0, 0, VE, .unit = "format" }, | ||
1813 | { "jp2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_JP2 }, 0, 0, VE, .unit = "format" }, | ||
1814 | { "tile_width", "Tile Width", OFFSET(tile_width), AV_OPT_TYPE_INT, { .i64 = 256 }, 1, 1<<30, VE, }, | ||
1815 | { "tile_height", "Tile Height", OFFSET(tile_height), AV_OPT_TYPE_INT, { .i64 = 256 }, 1, 1<<30, VE, }, | ||
1816 | { "pred", "DWT Type", OFFSET(pred), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, .unit = "pred" }, | ||
1817 | { "dwt97int", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, .unit = "pred" }, | ||
1818 | { "dwt53", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, .unit = "pred" }, | ||
1819 | { "sop", "SOP marker", OFFSET(sop), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, }, | ||
1820 | { "eph", "EPH marker", OFFSET(eph), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, }, | ||
1821 | { "prog", "Progression Order", OFFSET(prog), AV_OPT_TYPE_INT, { .i64 = 0 }, JPEG2000_PGOD_LRCP, JPEG2000_PGOD_CPRL, VE, .unit = "prog" }, | ||
1822 | { "lrcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_LRCP }, 0, 0, VE, .unit = "prog" }, | ||
1823 | { "rlcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_RLCP }, 0, 0, VE, .unit = "prog" }, | ||
1824 | { "rpcl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_RPCL }, 0, 0, VE, .unit = "prog" }, | ||
1825 | { "pcrl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_PCRL }, 0, 0, VE, .unit = "prog" }, | ||
1826 | { "cprl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_CPRL }, 0, 0, VE, .unit = "prog" }, | ||
1827 | { "layer_rates", "Layer Rates", OFFSET(lr_str), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VE }, | ||
1828 | { NULL } | ||
1829 | }; | ||
1830 | |||
1831 | static const AVClass j2k_class = { | ||
1832 | .class_name = "jpeg 2000 encoder", | ||
1833 | .item_name = av_default_item_name, | ||
1834 | .option = options, | ||
1835 | .version = LIBAVUTIL_VERSION_INT, | ||
1836 | }; | ||
1837 | |||
1838 | const FFCodec ff_jpeg2000_encoder = { | ||
1839 | .p.name = "jpeg2000", | ||
1840 | CODEC_LONG_NAME("JPEG 2000"), | ||
1841 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
1842 | .p.id = AV_CODEC_ID_JPEG2000, | ||
1843 | .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE | | ||
1844 | AV_CODEC_CAP_FRAME_THREADS, | ||
1845 | .priv_data_size = sizeof(Jpeg2000EncoderContext), | ||
1846 | .init = j2kenc_init, | ||
1847 | FF_CODEC_ENCODE_CB(encode_frame), | ||
1848 | .close = j2kenc_destroy, | ||
1849 | CODEC_PIXFMTS( | ||
1850 | AV_PIX_FMT_RGB24, AV_PIX_FMT_RGB48, | ||
1851 | AV_PIX_FMT_GBR24P,AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16, | ||
1852 | AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16, | ||
1853 | AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV420P16, | ||
1854 | AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV422P16, | ||
1855 | AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV444P16, | ||
1856 | AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV440P10, AV_PIX_FMT_YUV440P12, | ||
1857 | AV_PIX_FMT_YUV411P, | ||
1858 | AV_PIX_FMT_YUV410P, | ||
1859 | AV_PIX_FMT_YA8, AV_PIX_FMT_YA16, | ||
1860 | AV_PIX_FMT_RGBA, AV_PIX_FMT_RGBA64, | ||
1861 | AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16, | ||
1862 | AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16, | ||
1863 | AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P16, | ||
1864 | AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P16, | ||
1865 | |||
1866 | AV_PIX_FMT_PAL8), | ||
1867 | .color_ranges = AVCOL_RANGE_MPEG, | ||
1868 | .p.priv_class = &j2k_class, | ||
1869 | .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, | ||
1870 | }; | ||
1871 |