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1 | /* | ||
2 | * JPEG2000 image encoder | ||
3 | * Copyright (c) 2007 Kamil Nowosad | ||
4 | * | ||
5 | * This file is part of FFmpeg. | ||
6 | * | ||
7 | * FFmpeg is free software; you can redistribute it and/or | ||
8 | * modify it under the terms of the GNU Lesser General Public | ||
9 | * License as published by the Free Software Foundation; either | ||
10 | * version 2.1 of the License, or (at your option) any later version. | ||
11 | * | ||
12 | * FFmpeg is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
15 | * Lesser General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU Lesser General Public | ||
18 | * License along with FFmpeg; if not, write to the Free Software | ||
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
20 | * | ||
21 | * ********************************************************************************************************************** | ||
22 | * | ||
23 | * | ||
24 | * | ||
25 | * This source code incorporates work covered by the following copyright and | ||
26 | * permission notice: | ||
27 | * | ||
28 | * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium | ||
29 | * Copyright (c) 2002-2007, Professor Benoit Macq | ||
30 | * Copyright (c) 2001-2003, David Janssens | ||
31 | * Copyright (c) 2002-2003, Yannick Verschueren | ||
32 | * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe | ||
33 | * Copyright (c) 2005, Herve Drolon, FreeImage Team | ||
34 | * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com> | ||
35 | * Copyright (c) 2020, Gautam Ramakrishnan <gautamramk@gmail.com> | ||
36 | * All rights reserved. | ||
37 | * | ||
38 | * Redistribution and use in source and binary forms, with or without | ||
39 | * modification, are permitted provided that the following conditions | ||
40 | * are met: | ||
41 | * 1. Redistributions of source code must retain the above copyright | ||
42 | * notice, this list of conditions and the following disclaimer. | ||
43 | * 2. Redistributions in binary form must reproduce the above copyright | ||
44 | * notice, this list of conditions and the following disclaimer in the | ||
45 | * documentation and/or other materials provided with the distribution. | ||
46 | * | ||
47 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' | ||
48 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
49 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
50 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
51 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
52 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
53 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
54 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
55 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
56 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
57 | * POSSIBILITY OF SUCH DAMAGE. | ||
58 | */ | ||
59 | |||
60 | |||
61 | /** | ||
62 | * JPEG2000 image encoder | ||
63 | * @file | ||
64 | * @author Kamil Nowosad | ||
65 | */ | ||
66 | |||
67 | #include <float.h> | ||
68 | #include "avcodec.h" | ||
69 | #include "codec_internal.h" | ||
70 | #include "encode.h" | ||
71 | #include "bytestream.h" | ||
72 | #include "jpeg2000.h" | ||
73 | #include "version.h" | ||
74 | #include "libavutil/common.h" | ||
75 | #include "libavutil/pixdesc.h" | ||
76 | #include "libavutil/opt.h" | ||
77 | #include "libavutil/intreadwrite.h" | ||
78 | #include "libavutil/avstring.h" | ||
79 | #include "libavutil/thread.h" | ||
80 | |||
81 | #define NMSEDEC_BITS 7 | ||
82 | #define NMSEDEC_FRACBITS (NMSEDEC_BITS-1) | ||
83 | #define WMSEDEC_SHIFT 13 ///< must be >= 13 | ||
84 | #define LAMBDA_SCALE (100000000LL << (WMSEDEC_SHIFT - 13)) | ||
85 | |||
86 | #define CODEC_JP2 1 | ||
87 | #define CODEC_J2K 0 | ||
88 | |||
89 | static int lut_nmsedec_ref [1<<NMSEDEC_BITS], | ||
90 | lut_nmsedec_ref0[1<<NMSEDEC_BITS], | ||
91 | lut_nmsedec_sig [1<<NMSEDEC_BITS], | ||
92 | lut_nmsedec_sig0[1<<NMSEDEC_BITS]; | ||
93 | |||
94 | static const int dwt_norms[2][4][10] = { // [dwt_type][band][rlevel] (multiplied by 10000) | ||
95 | {{10000, 19650, 41770, 84030, 169000, 338400, 676900, 1353000, 2706000, 5409000}, | ||
96 | {20220, 39890, 83550, 170400, 342700, 686300, 1373000, 2746000, 5490000}, | ||
97 | {20220, 39890, 83550, 170400, 342700, 686300, 1373000, 2746000, 5490000}, | ||
98 | {20800, 38650, 83070, 171800, 347100, 695900, 1393000, 2786000, 5572000}}, | ||
99 | |||
100 | {{10000, 15000, 27500, 53750, 106800, 213400, 426700, 853300, 1707000, 3413000}, | ||
101 | {10380, 15920, 29190, 57030, 113300, 226400, 452500, 904800, 1809000}, | ||
102 | {10380, 15920, 29190, 57030, 113300, 226400, 452500, 904800, 1809000}, | ||
103 | { 7186, 9218, 15860, 30430, 60190, 120100, 240000, 479700, 959300}} | ||
104 | }; | ||
105 | |||
106 | typedef struct { | ||
107 | Jpeg2000Component *comp; | ||
108 | double *layer_rates; | ||
109 | } Jpeg2000Tile; | ||
110 | |||
111 | typedef struct { | ||
112 | AVClass *class; | ||
113 | AVCodecContext *avctx; | ||
114 | const AVFrame *picture; | ||
115 | |||
116 | int width, height; ///< image width and height | ||
117 | uint8_t cbps[4]; ///< bits per sample in particular components | ||
118 | uint8_t comp_remap[4]; | ||
119 | int chroma_shift[2]; | ||
120 | uint8_t planar; | ||
121 | int ncomponents; | ||
122 | int tile_width, tile_height; ///< tile size | ||
123 | int numXtiles, numYtiles; | ||
124 | |||
125 | uint8_t *buf_start; | ||
126 | uint8_t *buf; | ||
127 | uint8_t *buf_end; | ||
128 | int bit_index; | ||
129 | |||
130 | uint64_t lambda; | ||
131 | |||
132 | Jpeg2000CodingStyle codsty; | ||
133 | Jpeg2000QuantStyle qntsty; | ||
134 | |||
135 | Jpeg2000Tile *tile; | ||
136 | int layer_rates[100]; | ||
137 | uint8_t compression_rate_enc; ///< Is compression done using compression ratio? | ||
138 | |||
139 | int format; | ||
140 | int pred; | ||
141 | int sop; | ||
142 | int eph; | ||
143 | int prog; | ||
144 | int nlayers; | ||
145 | char *lr_str; | ||
146 | } Jpeg2000EncoderContext; | ||
147 | |||
148 | |||
149 | /* debug */ | ||
150 | #if 0 | ||
151 | #undef ifprintf | ||
152 | #undef printf | ||
153 | |||
154 | static void nspaces(FILE *fd, int n) | ||
155 | { | ||
156 | while(n--) putc(' ', fd); | ||
157 | } | ||
158 | |||
159 | static void printcomp(Jpeg2000Component *comp) | ||
160 | { | ||
161 | int i; | ||
162 | for (i = 0; i < comp->y1 - comp->y0; i++) | ||
163 | ff_jpeg2000_printv(comp->i_data + i * (comp->x1 - comp->x0), comp->x1 - comp->x0); | ||
164 | } | ||
165 | |||
166 | static void dump(Jpeg2000EncoderContext *s, FILE *fd) | ||
167 | { | ||
168 | int tileno, compno, reslevelno, bandno, precno; | ||
169 | fprintf(fd, "XSiz = %d, YSiz = %d, tile_width = %d, tile_height = %d\n" | ||
170 | "numXtiles = %d, numYtiles = %d, ncomponents = %d\n" | ||
171 | "tiles:\n", | ||
172 | s->width, s->height, s->tile_width, s->tile_height, | ||
173 | s->numXtiles, s->numYtiles, s->ncomponents); | ||
174 | for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ | ||
175 | Jpeg2000Tile *tile = s->tile + tileno; | ||
176 | nspaces(fd, 2); | ||
177 | fprintf(fd, "tile %d:\n", tileno); | ||
178 | for(compno = 0; compno < s->ncomponents; compno++){ | ||
179 | Jpeg2000Component *comp = tile->comp + compno; | ||
180 | nspaces(fd, 4); | ||
181 | fprintf(fd, "component %d:\n", compno); | ||
182 | nspaces(fd, 4); | ||
183 | fprintf(fd, "x0 = %d, x1 = %d, y0 = %d, y1 = %d\n", | ||
184 | comp->x0, comp->x1, comp->y0, comp->y1); | ||
185 | for(reslevelno = 0; reslevelno < s->nreslevels; reslevelno++){ | ||
186 | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | ||
187 | nspaces(fd, 6); | ||
188 | fprintf(fd, "reslevel %d:\n", reslevelno); | ||
189 | nspaces(fd, 6); | ||
190 | fprintf(fd, "x0 = %d, x1 = %d, y0 = %d, y1 = %d, nbands = %d\n", | ||
191 | reslevel->x0, reslevel->x1, reslevel->y0, | ||
192 | reslevel->y1, reslevel->nbands); | ||
193 | for(bandno = 0; bandno < reslevel->nbands; bandno++){ | ||
194 | Jpeg2000Band *band = reslevel->band + bandno; | ||
195 | nspaces(fd, 8); | ||
196 | fprintf(fd, "band %d:\n", bandno); | ||
197 | nspaces(fd, 8); | ||
198 | fprintf(fd, "x0 = %d, x1 = %d, y0 = %d, y1 = %d," | ||
199 | "codeblock_width = %d, codeblock_height = %d cblknx = %d cblkny = %d\n", | ||
200 | band->x0, band->x1, | ||
201 | band->y0, band->y1, | ||
202 | band->codeblock_width, band->codeblock_height, | ||
203 | band->cblknx, band->cblkny); | ||
204 | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ | ||
205 | Jpeg2000Prec *prec = band->prec + precno; | ||
206 | nspaces(fd, 10); | ||
207 | fprintf(fd, "prec %d:\n", precno); | ||
208 | nspaces(fd, 10); | ||
209 | fprintf(fd, "xi0 = %d, xi1 = %d, yi0 = %d, yi1 = %d\n", | ||
210 | prec->xi0, prec->xi1, prec->yi0, prec->yi1); | ||
211 | } | ||
212 | } | ||
213 | } | ||
214 | } | ||
215 | } | ||
216 | } | ||
217 | #endif | ||
218 | |||
219 | /* bitstream routines */ | ||
220 | |||
221 | /** put n times val bit */ | ||
222 | 20892097 | static void put_bits(Jpeg2000EncoderContext *s, int val, int n) // TODO: optimize | |
223 | { | ||
224 |
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36830328 | while (n-- > 0){ |
225 |
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15938231 | if (s->bit_index == 8) |
226 | { | ||
227 | 1966956 | s->bit_index = *s->buf == 0xff; | |
228 | 1966956 | *(++s->buf) = 0; | |
229 | } | ||
230 | 15938231 | *s->buf |= val << (7 - s->bit_index++); | |
231 | } | ||
232 | 20892097 | } | |
233 | |||
234 | /** put n least significant bits of a number num */ | ||
235 | 1589098 | static void put_num(Jpeg2000EncoderContext *s, int num, int n) | |
236 | { | ||
237 |
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13201419 | while(--n >= 0) |
238 | 11612321 | put_bits(s, (num >> n) & 1, 1); | |
239 | 1589098 | } | |
240 | |||
241 | /** flush the bitstream */ | ||
242 | 59150 | static void j2k_flush(Jpeg2000EncoderContext *s) | |
243 | { | ||
244 |
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59150 | if (s->bit_index){ |
245 | 59150 | s->bit_index = 0; | |
246 | 59150 | s->buf++; | |
247 | } | ||
248 | 59150 | } | |
249 | |||
250 | /* tag tree routines */ | ||
251 | |||
252 | /** code the value stored in node */ | ||
253 | 1621977 | static void tag_tree_code(Jpeg2000EncoderContext *s, Jpeg2000TgtNode *node, int threshold) | |
254 | { | ||
255 | Jpeg2000TgtNode *stack[30]; | ||
256 | 1621977 | int sp = -1, curval = 0; | |
257 | |||
258 |
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5427314 | while(node->parent){ |
259 | 3805337 | stack[++sp] = node; | |
260 | 3805337 | node = node->parent; | |
261 | } | ||
262 | |||
263 | while (1) { | ||
264 |
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5427314 | if (curval > node->temp_val) |
265 | 964832 | node->temp_val = curval; | |
266 | else { | ||
267 | 4462482 | curval = node->temp_val; | |
268 | } | ||
269 | |||
270 |
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5427314 | if (node->val >= threshold) { |
271 | 38196 | put_bits(s, 0, threshold - curval); | |
272 | 38196 | curval = threshold; | |
273 | } else { | ||
274 | 5389118 | put_bits(s, 0, node->val - curval); | |
275 | 5389118 | curval = node->val; | |
276 |
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5389118 | if (!node->vis) { |
277 | 2204214 | put_bits(s, 1, 1); | |
278 | 2204214 | node->vis = 1; | |
279 | } | ||
280 | } | ||
281 | |||
282 | 5427314 | node->temp_val = curval; | |
283 |
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5427314 | if (sp < 0) |
284 | 1621977 | break; | |
285 | 3805337 | node = stack[sp--]; | |
286 | } | ||
287 | 1621977 | } | |
288 | |||
289 | /** update the value in node */ | ||
290 | 1791400 | static void tag_tree_update(Jpeg2000TgtNode *node) | |
291 | { | ||
292 |
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2620841 | while (node->parent){ |
293 |
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2281776 | if (node->parent->val <= node->val) |
294 | 1452335 | break; | |
295 | 829441 | node->parent->val = node->val; | |
296 | 829441 | node = node->parent; | |
297 | } | ||
298 | 1791400 | } | |
299 | |||
300 | 800 | static int put_siz(Jpeg2000EncoderContext *s) | |
301 | { | ||
302 | int i; | ||
303 | |||
304 |
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800 | if (s->buf_end - s->buf < 40 + 3 * s->ncomponents) |
305 | ✗ | return -1; | |
306 | |||
307 | 800 | bytestream_put_be16(&s->buf, JPEG2000_SIZ); | |
308 | 800 | bytestream_put_be16(&s->buf, 38 + 3 * s->ncomponents); // Lsiz | |
309 | 800 | bytestream_put_be16(&s->buf, 0); // Rsiz | |
310 | 800 | bytestream_put_be32(&s->buf, s->width); // width | |
311 | 800 | bytestream_put_be32(&s->buf, s->height); // height | |
312 | 800 | bytestream_put_be32(&s->buf, 0); // X0Siz | |
313 | 800 | bytestream_put_be32(&s->buf, 0); // Y0Siz | |
314 | |||
315 | 800 | bytestream_put_be32(&s->buf, s->tile_width); // XTSiz | |
316 | 800 | bytestream_put_be32(&s->buf, s->tile_height); // YTSiz | |
317 | 800 | bytestream_put_be32(&s->buf, 0); // XT0Siz | |
318 | 800 | bytestream_put_be32(&s->buf, 0); // YT0Siz | |
319 | 800 | bytestream_put_be16(&s->buf, s->ncomponents); // CSiz | |
320 | |||
321 |
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3400 | for (i = 0; i < s->ncomponents; i++){ // Ssiz_i XRsiz_i, YRsiz_i |
322 | 2600 | bytestream_put_byte(&s->buf, s->cbps[i] - 1); | |
323 |
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2600 | bytestream_put_byte(&s->buf, (i+1&2)?1<<s->chroma_shift[0]:1); |
324 |
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2600 | bytestream_put_byte(&s->buf, (i+1&2)?1<<s->chroma_shift[1]:1); |
325 | } | ||
326 | 800 | return 0; | |
327 | } | ||
328 | |||
329 | 800 | static int put_cod(Jpeg2000EncoderContext *s) | |
330 | { | ||
331 | 800 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
332 | 800 | uint8_t scod = 0; | |
333 | |||
334 |
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800 | if (s->buf_end - s->buf < 14) |
335 | ✗ | return -1; | |
336 | |||
337 | 800 | bytestream_put_be16(&s->buf, JPEG2000_COD); | |
338 | 800 | bytestream_put_be16(&s->buf, 12); // Lcod | |
339 |
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800 | if (s->sop) |
340 | ✗ | scod |= JPEG2000_CSTY_SOP; | |
341 |
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800 | if (s->eph) |
342 | ✗ | scod |= JPEG2000_CSTY_EPH; | |
343 | 800 | bytestream_put_byte(&s->buf, scod); // Scod | |
344 | // SGcod | ||
345 | 800 | bytestream_put_byte(&s->buf, s->prog); // progression level | |
346 | 800 | bytestream_put_be16(&s->buf, s->nlayers); // num of layers | |
347 |
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800 | if(s->avctx->pix_fmt == AV_PIX_FMT_YUV444P){ |
348 | ✗ | bytestream_put_byte(&s->buf, 0); // unspecified | |
349 | }else{ | ||
350 | 800 | bytestream_put_byte(&s->buf, 0); // unspecified | |
351 | } | ||
352 | // SPcod | ||
353 | 800 | bytestream_put_byte(&s->buf, codsty->nreslevels - 1); // num of decomp. levels | |
354 | 800 | bytestream_put_byte(&s->buf, codsty->log2_cblk_width-2); // cblk width | |
355 | 800 | bytestream_put_byte(&s->buf, codsty->log2_cblk_height-2); // cblk height | |
356 | 800 | bytestream_put_byte(&s->buf, 0); // cblk style | |
357 | 800 | bytestream_put_byte(&s->buf, codsty->transform == FF_DWT53); // transformation | |
358 | 800 | return 0; | |
359 | } | ||
360 | |||
361 | 800 | static int put_qcd(Jpeg2000EncoderContext *s, int compno) | |
362 | { | ||
363 | int i, size; | ||
364 | 800 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
365 | 800 | Jpeg2000QuantStyle *qntsty = &s->qntsty; | |
366 | |||
367 |
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800 | if (qntsty->quantsty == JPEG2000_QSTY_NONE) |
368 | 600 | size = 4 + 3 * (codsty->nreslevels-1); | |
369 | else // QSTY_SE | ||
370 | 200 | size = 5 + 6 * (codsty->nreslevels-1); | |
371 | |||
372 |
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800 | if (s->buf_end - s->buf < size + 2) |
373 | ✗ | return -1; | |
374 | |||
375 | 800 | bytestream_put_be16(&s->buf, JPEG2000_QCD); | |
376 | 800 | bytestream_put_be16(&s->buf, size); // LQcd | |
377 | 800 | bytestream_put_byte(&s->buf, (qntsty->nguardbits << 5) | qntsty->quantsty); // Sqcd | |
378 |
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800 | if (qntsty->quantsty == JPEG2000_QSTY_NONE) |
379 |
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12000 | for (i = 0; i < codsty->nreslevels * 3 - 2; i++) |
380 | 11400 | bytestream_put_byte(&s->buf, qntsty->expn[i] << 3); | |
381 | else // QSTY_SE | ||
382 |
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4000 | for (i = 0; i < codsty->nreslevels * 3 - 2; i++) |
383 | 3800 | bytestream_put_be16(&s->buf, (qntsty->expn[i] << 11) | qntsty->mant[i]); | |
384 | 800 | return 0; | |
385 | } | ||
386 | |||
387 | 800 | static int put_com(Jpeg2000EncoderContext *s, int compno) | |
388 | { | ||
389 | 800 | int size = 4 + strlen(LIBAVCODEC_IDENT); | |
390 | |||
391 |
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800 | if (s->avctx->flags & AV_CODEC_FLAG_BITEXACT) |
392 | 800 | return 0; | |
393 | |||
394 | ✗ | if (s->buf_end - s->buf < size + 2) | |
395 | ✗ | return -1; | |
396 | |||
397 | ✗ | bytestream_put_be16(&s->buf, JPEG2000_COM); | |
398 | ✗ | bytestream_put_be16(&s->buf, size); | |
399 | ✗ | bytestream_put_be16(&s->buf, 1); // General use (ISO/IEC 8859-15 (Latin) values) | |
400 | |||
401 | ✗ | bytestream_put_buffer(&s->buf, LIBAVCODEC_IDENT, strlen(LIBAVCODEC_IDENT)); | |
402 | |||
403 | ✗ | return 0; | |
404 | } | ||
405 | |||
406 | 2600 | static uint8_t *put_sot(Jpeg2000EncoderContext *s, int tileno) | |
407 | { | ||
408 | uint8_t *psotptr; | ||
409 | |||
410 |
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2600 | if (s->buf_end - s->buf < 12) |
411 | ✗ | return NULL; | |
412 | |||
413 | 2600 | bytestream_put_be16(&s->buf, JPEG2000_SOT); | |
414 | 2600 | bytestream_put_be16(&s->buf, 10); // Lsot | |
415 | 2600 | bytestream_put_be16(&s->buf, tileno); // Isot | |
416 | |||
417 | 2600 | psotptr = s->buf; | |
418 | 2600 | bytestream_put_be32(&s->buf, 0); // Psot (filled in later) | |
419 | |||
420 | 2600 | bytestream_put_byte(&s->buf, 0); // TPsot | |
421 | 2600 | bytestream_put_byte(&s->buf, 1); // TNsot | |
422 | 2600 | return psotptr; | |
423 | } | ||
424 | |||
425 | 16 | static void compute_rates(Jpeg2000EncoderContext* s) | |
426 | { | ||
427 | int i, j; | ||
428 | int layno, compno; | ||
429 |
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44 | for (i = 0; i < s->numYtiles; i++) { |
430 |
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80 | for (j = 0; j < s->numXtiles; j++) { |
431 | 52 | Jpeg2000Tile *tile = &s->tile[s->numXtiles * i + j]; | |
432 |
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221 | for (compno = 0; compno < s->ncomponents; compno++) { |
433 | 169 | int tilew = tile->comp[compno].coord[0][1] - tile->comp[compno].coord[0][0]; | |
434 | 169 | int tileh = tile->comp[compno].coord[1][1] - tile->comp[compno].coord[1][0]; | |
435 |
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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); |
436 |
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338 | for (layno = 0; layno < s->nlayers; layno++) { |
437 |
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169 | if (s->layer_rates[layno] > 0) { |
438 | ✗ | tile->layer_rates[layno] += (double)(tilew * tileh) * s->ncomponents * s->cbps[compno] / | |
439 | ✗ | (double)(s->layer_rates[layno] * 8 * scale); | |
440 | } else { | ||
441 | 169 | tile->layer_rates[layno] = 0.0; | |
442 | } | ||
443 | } | ||
444 | } | ||
445 | } | ||
446 | } | ||
447 | |||
448 | 16 | } | |
449 | |||
450 | /** | ||
451 | * compute the sizes of tiles, resolution levels, bands, etc. | ||
452 | * allocate memory for them | ||
453 | * divide the input image into tile-components | ||
454 | */ | ||
455 | 16 | static int init_tiles(Jpeg2000EncoderContext *s) | |
456 | { | ||
457 | int tileno, tilex, tiley, compno; | ||
458 | 16 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
459 | 16 | Jpeg2000QuantStyle *qntsty = &s->qntsty; | |
460 | |||
461 | 16 | s->numXtiles = ff_jpeg2000_ceildiv(s->width, s->tile_width); | |
462 | 16 | s->numYtiles = ff_jpeg2000_ceildiv(s->height, s->tile_height); | |
463 | |||
464 | 16 | s->tile = av_calloc(s->numXtiles, s->numYtiles * sizeof(Jpeg2000Tile)); | |
465 |
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16 | if (!s->tile) |
466 | ✗ | return AVERROR(ENOMEM); | |
467 |
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44 | for (tileno = 0, tiley = 0; tiley < s->numYtiles; tiley++) |
468 |
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80 | for (tilex = 0; tilex < s->numXtiles; tilex++, tileno++){ |
469 | 52 | Jpeg2000Tile *tile = s->tile + tileno; | |
470 | |||
471 | 52 | tile->comp = av_calloc(s->ncomponents, sizeof(*tile->comp)); | |
472 |
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52 | if (!tile->comp) |
473 | ✗ | return AVERROR(ENOMEM); | |
474 | |||
475 | 52 | tile->layer_rates = av_calloc(s->nlayers, sizeof(*tile->layer_rates)); | |
476 |
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52 | if (!tile->layer_rates) |
477 | ✗ | return AVERROR(ENOMEM); | |
478 | |||
479 |
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221 | for (compno = 0; compno < s->ncomponents; compno++){ |
480 | 169 | Jpeg2000Component *comp = tile->comp + compno; | |
481 | int ret, i, j; | ||
482 | |||
483 | 169 | comp->coord[0][0] = comp->coord_o[0][0] = tilex * s->tile_width; | |
484 | 169 | comp->coord[0][1] = comp->coord_o[0][1] = FFMIN((tilex+1)*s->tile_width, s->width); | |
485 | 169 | comp->coord[1][0] = comp->coord_o[1][0] = tiley * s->tile_height; | |
486 | 169 | comp->coord[1][1] = comp->coord_o[1][1] = FFMIN((tiley+1)*s->tile_height, s->height); | |
487 |
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169 | if (compno + 1 & 2) |
488 |
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312 | for (i = 0; i < 2; i++) |
489 |
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624 | for (j = 0; j < 2; j++) |
490 | 416 | comp->coord[i][j] = comp->coord_o[i][j] = ff_jpeg2000_ceildivpow2(comp->coord[i][j], s->chroma_shift[i]); | |
491 | |||
492 |
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299 | if ((ret = ff_jpeg2000_init_component(comp, |
493 | codsty, | ||
494 | qntsty, | ||
495 | 169 | s->cbps[compno], | |
496 |
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169 | (compno+1&2)?1<<s->chroma_shift[0]:1, |
497 |
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169 | (compno+1&2)?1<<s->chroma_shift[1]:1, |
498 | s->avctx | ||
499 | )) < 0) | ||
500 | ✗ | return ret; | |
501 | } | ||
502 | } | ||
503 | 16 | compute_rates(s); | |
504 | 16 | return 0; | |
505 | } | ||
506 | |||
507 | #define COPY_FRAME(D, PIXEL) \ | ||
508 | static void copy_frame_ ##D(Jpeg2000EncoderContext *s) \ | ||
509 | { \ | ||
510 | int tileno, compno, i, y, x; \ | ||
511 | const PIXEL *line; \ | ||
512 | for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ \ | ||
513 | Jpeg2000Tile *tile = s->tile + tileno; \ | ||
514 | if (s->planar){ \ | ||
515 | for (compno = 0; compno < s->ncomponents; compno++){ \ | ||
516 | int icompno = s->comp_remap[compno]; \ | ||
517 | Jpeg2000Component *comp = tile->comp + compno; \ | ||
518 | int *dst = comp->i_data; \ | ||
519 | int cbps = s->cbps[compno]; \ | ||
520 | line = (const PIXEL*)s->picture->data[icompno] \ | ||
521 | + comp->coord[1][0] * (s->picture->linesize[icompno] / sizeof(PIXEL)) \ | ||
522 | + comp->coord[0][0]; \ | ||
523 | for (y = comp->coord[1][0]; y < comp->coord[1][1]; y++){ \ | ||
524 | const PIXEL *ptr = line; \ | ||
525 | for (x = comp->coord[0][0]; x < comp->coord[0][1]; x++) \ | ||
526 | *dst++ = *ptr++ - (1 << (cbps - 1)); \ | ||
527 | line += s->picture->linesize[icompno] / sizeof(PIXEL); \ | ||
528 | } \ | ||
529 | } \ | ||
530 | } else{ \ | ||
531 | line = (const PIXEL*)(s->picture->data[0] + tile->comp[0].coord[1][0] * s->picture->linesize[0]) \ | ||
532 | + tile->comp[0].coord[0][0] * s->ncomponents; \ | ||
533 | \ | ||
534 | i = 0; \ | ||
535 | for (y = tile->comp[0].coord[1][0]; y < tile->comp[0].coord[1][1]; y++){ \ | ||
536 | const PIXEL *ptr = line; \ | ||
537 | for (x = tile->comp[0].coord[0][0]; x < tile->comp[0].coord[0][1]; x++, i++){ \ | ||
538 | for (compno = 0; compno < s->ncomponents; compno++){ \ | ||
539 | int cbps = s->cbps[compno]; \ | ||
540 | tile->comp[compno].i_data[i] = *ptr++ - (1 << (cbps - 1)); \ | ||
541 | } \ | ||
542 | } \ | ||
543 | line += s->picture->linesize[0] / sizeof(PIXEL); \ | ||
544 | } \ | ||
545 | } \ | ||
546 | } \ | ||
547 | } | ||
548 | |||
549 |
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122291500 | COPY_FRAME(8, uint8_t) |
550 |
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107472350 | COPY_FRAME(16, uint16_t) |
551 | |||
552 | 16 | static void init_quantization(Jpeg2000EncoderContext *s) | |
553 | { | ||
554 | int compno, reslevelno, bandno; | ||
555 | 16 | Jpeg2000QuantStyle *qntsty = &s->qntsty; | |
556 | 16 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
557 | |||
558 |
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68 | for (compno = 0; compno < s->ncomponents; compno++){ |
559 | 52 | int gbandno = 0; | |
560 |
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416 | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){ |
561 | 364 | int nbands, lev = codsty->nreslevels - reslevelno - 1; | |
562 |
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364 | nbands = reslevelno ? 3 : 1; |
563 |
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1352 | for (bandno = 0; bandno < nbands; bandno++, gbandno++){ |
564 | 988 | int expn, mant = 0; | |
565 | |||
566 |
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988 | if (codsty->transform == FF_DWT97_INT){ |
567 | 228 | int bandpos = bandno + (reslevelno>0), | |
568 | 228 | ss = 81920000 / dwt_norms[0][bandpos][lev], | |
569 | 228 | log = av_log2(ss); | |
570 |
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228 | mant = (11 - log < 0 ? ss >> log - 11 : ss << 11 - log) & 0x7ff; |
571 | 228 | expn = s->cbps[compno] - log + 13; | |
572 | } else | ||
573 | 760 | expn = ((bandno&2)>>1) + (reslevelno>0) + s->cbps[compno]; | |
574 | |||
575 | 988 | qntsty->expn[gbandno] = expn; | |
576 | 988 | qntsty->mant[gbandno] = mant; | |
577 | } | ||
578 | } | ||
579 | } | ||
580 | 16 | } | |
581 | |||
582 | 16 | static void init_luts(void) | |
583 | { | ||
584 | int i, a, | ||
585 | 16 | mask = ~((1<<NMSEDEC_FRACBITS)-1); | |
586 | |||
587 |
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2064 | for (i = 0; i < (1 << NMSEDEC_BITS); i++){ |
588 | 2048 | lut_nmsedec_sig[i] = FFMAX((3 * i << (13 - NMSEDEC_FRACBITS)) - (9 << 11), 0); | |
589 | 2048 | lut_nmsedec_sig0[i] = FFMAX((i*i + (1<<NMSEDEC_FRACBITS-1) & mask) << 1, 0); | |
590 | |||
591 | 2048 | a = (i >> (NMSEDEC_BITS-2)&2) + 1; | |
592 | 2048 | lut_nmsedec_ref[i] = FFMAX((a - 2) * (i << (13 - NMSEDEC_FRACBITS)) + | |
593 | (1 << 13) - (a * a << 11), 0); | ||
594 | 2048 | lut_nmsedec_ref0[i] = FFMAX(((i * i - (i << NMSEDEC_BITS) + (1 << 2 * NMSEDEC_FRACBITS) + (1 << (NMSEDEC_FRACBITS - 1))) & mask) | |
595 | << 1, 0); | ||
596 | } | ||
597 | 16 | ff_jpeg2000_init_tier1_luts(); | |
598 | 16 | } | |
599 | |||
600 | /* tier-1 routines */ | ||
601 | 163256938 | static int getnmsedec_sig(int x, int bpno) | |
602 | { | ||
603 |
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163256938 | if (bpno > NMSEDEC_FRACBITS) |
604 | 145353523 | return lut_nmsedec_sig[(x >> (bpno - NMSEDEC_FRACBITS)) & ((1 << NMSEDEC_BITS) - 1)]; | |
605 | 17903415 | return lut_nmsedec_sig0[x & ((1 << NMSEDEC_BITS) - 1)]; | |
606 | } | ||
607 | |||
608 | 693233328 | static int getnmsedec_ref(int x, int bpno) | |
609 | { | ||
610 |
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693233328 | if (bpno > NMSEDEC_FRACBITS) |
611 | 547879805 | return lut_nmsedec_ref[(x >> (bpno - NMSEDEC_FRACBITS)) & ((1 << NMSEDEC_BITS) - 1)]; | |
612 | 145353523 | return lut_nmsedec_ref0[x & ((1 << NMSEDEC_BITS) - 1)]; | |
613 | } | ||
614 | |||
615 | 6655769 | static void encode_sigpass(Jpeg2000T1Context *t1, int width, int height, int bandno, int *nmsedec, int bpno) | |
616 | { | ||
617 | 6655769 | int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS); | |
618 |
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30482160 | for (y0 = 0; y0 < height; y0 += 4) |
619 |
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385283750 | for (x = 0; x < width; x++) |
620 |
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1801501262 | for (y = y0; y < height && y < y0+4; y++){ |
621 |
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1440043903 | if (!(t1->flags[(y+1) * t1->stride + x+1] & JPEG2000_T1_SIG) && (t1->flags[(y+1) * t1->stride + x+1] & JPEG2000_T1_SIG_NB)){ |
622 | 379374847 | int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno), | |
623 | 379374847 | bit = t1->data[(y) * t1->stride + x] & mask ? 1 : 0; | |
624 | 379374847 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, bit); | |
625 |
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379374847 | if (bit){ |
626 | int xorbit; | ||
627 | 133902725 | int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit); | |
628 | 133902725 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit); | |
629 | 133902725 | *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS); | |
630 | 133902725 | ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15); | |
631 | } | ||
632 | 379374847 | t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_VIS; | |
633 | } | ||
634 | } | ||
635 | 6655769 | } | |
636 | |||
637 | 6655769 | static void encode_refpass(Jpeg2000T1Context *t1, int width, int height, int *nmsedec, int bpno) | |
638 | { | ||
639 | 6655769 | int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS); | |
640 |
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30482160 | for (y0 = 0; y0 < height; y0 += 4) |
641 |
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385283750 | for (x = 0; x < width; x++) |
642 |
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1801501262 | for (y = y0; y < height && y < y0+4; y++) |
643 |
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1440043903 | if ((t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS)) == JPEG2000_T1_SIG){ |
644 | 693233328 | int ctxno = ff_jpeg2000_getrefctxno(t1->flags[(y+1) * t1->stride + x+1]); | |
645 | 693233328 | *nmsedec += getnmsedec_ref(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS); | |
646 | 693233328 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0); | |
647 | 693233328 | t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_REF; | |
648 | } | ||
649 | 6655769 | } | |
650 | |||
651 | 7483165 | static void encode_clnpass(Jpeg2000T1Context *t1, int width, int height, int bandno, int *nmsedec, int bpno) | |
652 | { | ||
653 | 7483165 | int y0, x, y, mask = 1 << (bpno + NMSEDEC_FRACBITS); | |
654 |
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34316152 | for (y0 = 0; y0 < height; y0 += 4) |
655 |
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434237140 | for (x = 0; x < width; x++){ |
656 |
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407404153 | if (y0 + 3 < height && !( |
657 |
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404827254 | (t1->flags[(y0+1) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) || |
658 |
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117347561 | (t1->flags[(y0+2) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) || |
659 |
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106271742 | (t1->flags[(y0+3) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)) || |
660 |
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97097308 | (t1->flags[(y0+4) * t1->stride + x+1] & (JPEG2000_T1_SIG_NB | JPEG2000_T1_VIS | JPEG2000_T1_SIG)))) |
661 | 7212538 | { | |
662 | // aggregation mode | ||
663 | int rlen; | ||
664 |
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444809190 | for (rlen = 0; rlen < 4; rlen++) |
665 |
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359545761 | if (t1->data[(y0+rlen) * t1->stride + x] & mask) |
666 | 7212538 | break; | |
667 | 92475967 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_RL, rlen != 4); | |
668 |
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92475967 | if (rlen == 4) |
669 | 85263429 | continue; | |
670 | 7212538 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_UNI, rlen >> 1); | |
671 | 7212538 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + MQC_CX_UNI, rlen & 1); | |
672 |
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24783183 | for (y = y0 + rlen; y < y0 + 4; y++){ |
673 |
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17570645 | if (!(t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))){ |
674 | 17570645 | int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno); | |
675 |
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17570645 | if (y > y0 + rlen) |
676 | 10358107 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0); | |
677 |
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17570645 | if (t1->data[(y) * t1->stride + x] & mask){ // newly significant |
678 | int xorbit; | ||
679 | 8652570 | int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit); | |
680 | 8652570 | *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS); | |
681 | 8652570 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit); | |
682 | 8652570 | ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15); | |
683 | } | ||
684 | } | ||
685 | 17570645 | t1->flags[(y+1) * t1->stride + x+1] &= ~JPEG2000_T1_VIS; | |
686 | } | ||
687 | } else{ | ||
688 |
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1568243102 | for (y = y0; y < y0 + 4 && y < height; y++){ |
689 |
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1253314916 | if (!(t1->flags[(y+1) * t1->stride + x+1] & (JPEG2000_T1_SIG | JPEG2000_T1_VIS))){ |
690 | 180706741 | int ctxno = ff_jpeg2000_getsigctxno(t1->flags[(y+1) * t1->stride + x+1], bandno); | |
691 | 180706741 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, t1->data[(y) * t1->stride + x] & mask ? 1:0); | |
692 |
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|
180706741 | if (t1->data[(y) * t1->stride + x] & mask){ // newly significant |
693 | int xorbit; | ||
694 | 20701643 | int ctxno = ff_jpeg2000_getsgnctxno(t1->flags[(y+1) * t1->stride + x+1], &xorbit); | |
695 | 20701643 | *nmsedec += getnmsedec_sig(t1->data[(y) * t1->stride + x], bpno + NMSEDEC_FRACBITS); | |
696 | 20701643 | ff_mqc_encode(&t1->mqc, t1->mqc.cx_states + ctxno, (t1->flags[(y+1) * t1->stride + x+1] >> 15) ^ xorbit); | |
697 | 20701643 | ff_jpeg2000_set_significance(t1, x, y, t1->flags[(y+1) * t1->stride + x+1] >> 15); | |
698 | } | ||
699 | } | ||
700 | 1253314916 | t1->flags[(y+1) * t1->stride + x+1] &= ~JPEG2000_T1_VIS; | |
701 | } | ||
702 | } | ||
703 | } | ||
704 | 7483165 | } | |
705 | |||
706 | 895700 | static void encode_cblk(Jpeg2000EncoderContext *s, Jpeg2000T1Context *t1, Jpeg2000Cblk *cblk, Jpeg2000Tile *tile, | |
707 | int width, int height, int bandpos, int lev) | ||
708 | { | ||
709 | 895700 | int pass_t = 2, passno, x, y, max=0, nmsedec, bpno; | |
710 | 895700 | int64_t wmsedec = 0; | |
711 | |||
712 | 895700 | memset(t1->flags, 0, t1->stride * (height + 2) * sizeof(*t1->flags)); | |
713 | |||
714 |
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13807950 | for (y = 0; y < height; y++){ |
715 |
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211346850 | for (x = 0; x < width; x++){ |
716 |
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198434600 | if (t1->data[(y) * t1->stride + x] < 0){ |
717 | 80750156 | t1->flags[(y+1) * t1->stride + x+1] |= JPEG2000_T1_SGN; | |
718 | 80750156 | t1->data[(y) * t1->stride + x] = -t1->data[(y) * t1->stride + x]; | |
719 | } | ||
720 | 198434600 | max = FFMAX(max, t1->data[(y) * t1->stride + x]); | |
721 | } | ||
722 | } | ||
723 | |||
724 |
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895700 | if (max == 0){ |
725 | 68303 | cblk->nonzerobits = 0; | |
726 | } else{ | ||
727 | 827397 | cblk->nonzerobits = av_log2(max) + 1 - NMSEDEC_FRACBITS; | |
728 | } | ||
729 | 895700 | bpno = cblk->nonzerobits - 1; | |
730 | |||
731 | 895700 | cblk->data[0] = 0; | |
732 | 895700 | ff_mqc_initenc(&t1->mqc, cblk->data + 1); | |
733 | |||
734 |
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21690403 | for (passno = 0; bpno >= 0; passno++){ |
735 | 20794703 | nmsedec=0; | |
736 | |||
737 |
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20794703 | switch(pass_t){ |
738 | 6655769 | case 0: encode_sigpass(t1, width, height, bandpos, &nmsedec, bpno); | |
739 | 6655769 | break; | |
740 | 6655769 | case 1: encode_refpass(t1, width, height, &nmsedec, bpno); | |
741 | 6655769 | break; | |
742 | 7483165 | case 2: encode_clnpass(t1, width, height, bandpos, &nmsedec, bpno); | |
743 | 7483165 | break; | |
744 | } | ||
745 | |||
746 | 20794703 | cblk->passes[passno].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno].flushed, &cblk->passes[passno].flushed_len); | |
747 | 20794703 | cblk->passes[passno].rate -= cblk->passes[passno].flushed_len; | |
748 | |||
749 | 20794703 | wmsedec += (int64_t)nmsedec << (2*bpno); | |
750 | 20794703 | cblk->passes[passno].disto = wmsedec; | |
751 | |||
752 |
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20794703 | if (++pass_t == 3){ |
753 | 7483165 | pass_t = 0; | |
754 | 7483165 | bpno--; | |
755 | } | ||
756 | } | ||
757 | 895700 | cblk->npasses = passno; | |
758 | 895700 | cblk->ninclpasses = passno; | |
759 | |||
760 |
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895700 | if (passno) { |
761 | 827396 | cblk->passes[passno-1].rate = ff_mqc_flush_to(&t1->mqc, cblk->passes[passno-1].flushed, &cblk->passes[passno-1].flushed_len); | |
762 | 827396 | cblk->passes[passno-1].rate -= cblk->passes[passno-1].flushed_len; | |
763 | } | ||
764 | 895700 | } | |
765 | |||
766 | /* tier-2 routines: */ | ||
767 | |||
768 | 794549 | static void putnumpasses(Jpeg2000EncoderContext *s, int n) | |
769 | { | ||
770 |
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794549 | if (n == 1) |
771 | 45937 | put_num(s, 0, 1); | |
772 |
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748612 | else if (n == 2) |
773 | 13396 | put_num(s, 2, 2); | |
774 |
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735216 | else if (n <= 5) |
775 | 117067 | put_num(s, 0xc | (n-3), 4); | |
776 |
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618149 | else if (n <= 36) |
777 | 575528 | put_num(s, 0x1e0 | (n-6), 9); | |
778 | else | ||
779 | 42621 | put_num(s, 0xff80 | (n-37), 16); | |
780 | 794549 | } | |
781 | |||
782 | |||
783 | 59150 | static int encode_packet(Jpeg2000EncoderContext *s, Jpeg2000ResLevel *rlevel, int layno, | |
784 | int precno, uint8_t *expn, int numgbits, int packetno, | ||
785 | int nlayers) | ||
786 | { | ||
787 | 59150 | int bandno, empty = 1; | |
788 | int i; | ||
789 | // init bitstream | ||
790 | 59150 | *s->buf = 0; | |
791 | 59150 | s->bit_index = 0; | |
792 | |||
793 |
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59150 | if (s->sop) { |
794 | ✗ | bytestream_put_be16(&s->buf, JPEG2000_SOP); | |
795 | ✗ | bytestream_put_be16(&s->buf, 4); | |
796 | ✗ | bytestream_put_be16(&s->buf, packetno); | |
797 | } | ||
798 | // header | ||
799 | |||
800 |
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59150 | if (!layno) { |
801 |
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219700 | for (bandno = 0; bandno < rlevel->nbands; bandno++) { |
802 | 160550 | Jpeg2000Band *band = rlevel->band + bandno; | |
803 |
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160550 | if (band->coord[0][0] < band->coord[0][1] |
804 |
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160550 | && band->coord[1][0] < band->coord[1][1]) { |
805 | 152750 | Jpeg2000Prec *prec = band->prec + precno; | |
806 | 152750 | int nb_cblks = prec->nb_codeblocks_height * prec->nb_codeblocks_width; | |
807 | int pos; | ||
808 | 152750 | ff_tag_tree_zero(prec->zerobits, prec->nb_codeblocks_width, prec->nb_codeblocks_height, 99); | |
809 | 152750 | ff_tag_tree_zero(prec->cblkincl, prec->nb_codeblocks_width, prec->nb_codeblocks_height, 99); | |
810 |
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1048450 | for (pos = 0; pos < nb_cblks; pos++) { |
811 | 895700 | Jpeg2000Cblk *cblk = &prec->cblk[pos]; | |
812 | 895700 | prec->zerobits[pos].val = expn[bandno] + numgbits - 1 - cblk->nonzerobits; | |
813 | 895700 | cblk->incl = 0; | |
814 | 895700 | cblk->lblock = 3; | |
815 | 895700 | tag_tree_update(prec->zerobits + pos); | |
816 |
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996851 | for (i = 0; i < nlayers; i++) { |
817 |
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895700 | if (cblk->layers[i].npasses > 0) { |
818 | 794549 | prec->cblkincl[pos].val = i; | |
819 | 794549 | break; | |
820 | } | ||
821 | } | ||
822 |
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895700 | if (i == nlayers) |
823 | 101151 | prec->cblkincl[pos].val = i; | |
824 | 895700 | tag_tree_update(prec->cblkincl + pos); | |
825 | } | ||
826 | } | ||
827 | } | ||
828 | } | ||
829 | |||
830 | // is the packet empty? | ||
831 |
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70918 | for (bandno = 0; bandno < rlevel->nbands; bandno++){ |
832 | 66996 | Jpeg2000Band *band = rlevel->band + bandno; | |
833 |
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66996 | if (band->coord[0][0] < band->coord[0][1] |
834 |
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66996 | && band->coord[1][0] < band->coord[1][1]) { |
835 | 66370 | Jpeg2000Prec *prec = band->prec + precno; | |
836 | 66370 | int nb_cblks = prec->nb_codeblocks_height * prec->nb_codeblocks_width; | |
837 | int pos; | ||
838 |
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134907 | for (pos = 0; pos < nb_cblks; pos++) { |
839 | 123765 | Jpeg2000Cblk *cblk = &prec->cblk[pos]; | |
840 |
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123765 | if (cblk->layers[layno].npasses) { |
841 | 55228 | empty = 0; | |
842 | 55228 | break; | |
843 | } | ||
844 | } | ||
845 |
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66370 | if (!empty) |
846 | 55228 | break; | |
847 | } | ||
848 | } | ||
849 | |||
850 | 59150 | put_bits(s, !empty, 1); | |
851 |
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59150 | if (empty){ |
852 | 3922 | j2k_flush(s); | |
853 |
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3922 | if (s->eph) |
854 | ✗ | bytestream_put_be16(&s->buf, JPEG2000_EPH); | |
855 | 3922 | return 0; | |
856 | } | ||
857 | |||
858 |
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204030 | for (bandno = 0; bandno < rlevel->nbands; bandno++) { |
859 | 148802 | Jpeg2000Band *band = rlevel->band + bandno; | |
860 | 148802 | Jpeg2000Prec *prec = band->prec + precno; | |
861 | int yi, xi, pos; | ||
862 | 148802 | int cblknw = prec->nb_codeblocks_width; | |
863 | |||
864 |
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148802 | if (band->coord[0][0] == band->coord[0][1] |
865 |
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148802 | || band->coord[1][0] == band->coord[1][1]) |
866 | 7174 | continue; | |
867 | |||
868 |
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403856 | for (pos=0, yi = 0; yi < prec->nb_codeblocks_height; yi++) { |
869 |
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1089656 | for (xi = 0; xi < cblknw; xi++, pos++){ |
870 | 827428 | int llen = 0, length; | |
871 | 827428 | Jpeg2000Cblk *cblk = prec->cblk + yi * cblknw + xi; | |
872 | |||
873 |
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827428 | if (s->buf_end - s->buf < 20) // approximately |
874 | ✗ | return -1; | |
875 | |||
876 | // inclusion information | ||
877 |
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827428 | if (!cblk->incl) |
878 | 827428 | tag_tree_code(s, prec->cblkincl + pos, layno + 1); | |
879 | else { | ||
880 | ✗ | put_bits(s, cblk->layers[layno].npasses > 0, 1); | |
881 | } | ||
882 | |||
883 |
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827428 | if (!cblk->layers[layno].npasses) |
884 | 32879 | continue; | |
885 | |||
886 | // zerobits information | ||
887 |
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794549 | if (!cblk->incl) { |
888 | 794549 | tag_tree_code(s, prec->zerobits + pos, 100); | |
889 | 794549 | cblk->incl = 1; | |
890 | } | ||
891 | |||
892 | // number of passes | ||
893 | 794549 | putnumpasses(s, cblk->layers[layno].npasses); | |
894 | |||
895 | 794549 | length = cblk->layers[layno].data_len; | |
896 |
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794549 | if (layno == nlayers - 1 && cblk->layers[layno].cum_passes){ |
897 | 794549 | length += cblk->passes[cblk->layers[layno].cum_passes-1].flushed_len; | |
898 | } | ||
899 |
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794549 | if (cblk->lblock + av_log2(cblk->layers[layno].npasses) < av_log2(length) + 1) { |
900 | 383366 | llen = av_log2(length) + 1 - cblk->lblock - av_log2(cblk->layers[layno].npasses); | |
901 | } | ||
902 | |||
903 | // length of code block | ||
904 | 794549 | cblk->lblock += llen; | |
905 | 794549 | put_bits(s, 1, llen); | |
906 | 794549 | put_bits(s, 0, 1); | |
907 | 794549 | put_num(s, length, cblk->lblock + av_log2(cblk->layers[layno].npasses)); | |
908 | } | ||
909 | } | ||
910 | } | ||
911 | 55228 | j2k_flush(s); | |
912 |
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55228 | if (s->eph) { |
913 | ✗ | bytestream_put_be16(&s->buf, JPEG2000_EPH); | |
914 | } | ||
915 | |||
916 |
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204030 | for (bandno = 0; bandno < rlevel->nbands; bandno++) { |
917 | 148802 | Jpeg2000Band *band = rlevel->band + bandno; | |
918 | 148802 | Jpeg2000Prec *prec = band->prec + precno; | |
919 | 148802 | int yi, cblknw = prec->nb_codeblocks_width; | |
920 |
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418204 | for (yi =0; yi < prec->nb_codeblocks_height; yi++) { |
921 | int xi; | ||
922 |
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1104004 | for (xi = 0; xi < cblknw; xi++){ |
923 | 834602 | Jpeg2000Cblk *cblk = prec->cblk + yi * cblknw + xi; | |
924 |
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834602 | if (cblk->layers[layno].npasses) { |
925 |
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794549 | if (s->buf_end - s->buf < cblk->layers[layno].data_len + 2) |
926 | ✗ | return -1; | |
927 | 794549 | bytestream_put_buffer(&s->buf, cblk->layers[layno].data_start + 1, cblk->layers[layno].data_len); | |
928 |
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794549 | if (layno == nlayers - 1 && cblk->layers[layno].cum_passes) { |
929 | 794549 | bytestream_put_buffer(&s->buf, cblk->passes[cblk->layers[layno].cum_passes-1].flushed, | |
930 | 794549 | cblk->passes[cblk->layers[layno].cum_passes-1].flushed_len); | |
931 | } | ||
932 | } | ||
933 | } | ||
934 | } | ||
935 | } | ||
936 | 55228 | return 0; | |
937 | } | ||
938 | |||
939 | 2600 | static int encode_packets(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno, int nlayers) | |
940 | { | ||
941 | int compno, reslevelno, layno, ret; | ||
942 | 2600 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
943 | 2600 | Jpeg2000QuantStyle *qntsty = &s->qntsty; | |
944 | 2600 | int packetno = 0; | |
945 | int step_x, step_y; | ||
946 | int x, y; | ||
947 | int tile_coord[2][2]; | ||
948 | 2600 | int col = tileno % s->numXtiles; | |
949 | 2600 | int row = tileno / s->numXtiles; | |
950 | |||
951 | 2600 | tile_coord[0][0] = col * s->tile_width; | |
952 | 2600 | tile_coord[0][1] = FFMIN(tile_coord[0][0] + s->tile_width, s->width); | |
953 | 2600 | tile_coord[1][0] = row * s->tile_height; | |
954 | 2600 | tile_coord[1][1] = FFMIN(tile_coord[1][0] + s->tile_height, s->height); | |
955 | |||
956 | 2600 | av_log(s->avctx, AV_LOG_DEBUG, "tier2\n"); | |
957 | // lay-rlevel-comp-pos progression | ||
958 |
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2600 | switch (s->prog) { |
959 | 2600 | case JPEG2000_PGOD_LRCP: | |
960 |
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5200 | for (layno = 0; layno < nlayers; layno++) { |
961 |
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20800 | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){ |
962 |
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77350 | for (compno = 0; compno < s->ncomponents; compno++){ |
963 | int precno; | ||
964 | 59150 | Jpeg2000ResLevel *reslevel = s->tile[tileno].comp[compno].reslevel + reslevelno; | |
965 |
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118300 | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ |
966 |
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|
59150 | if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), |
967 |
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59150 | qntsty->nguardbits, packetno++, nlayers)) < 0) |
968 | ✗ | return ret; | |
969 | } | ||
970 | } | ||
971 | } | ||
972 | } | ||
973 | 2600 | break; | |
974 | ✗ | case JPEG2000_PGOD_RLCP: | |
975 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){ | |
976 | ✗ | for (layno = 0; layno < nlayers; layno++) { | |
977 | ✗ | for (compno = 0; compno < s->ncomponents; compno++){ | |
978 | int precno; | ||
979 | ✗ | Jpeg2000ResLevel *reslevel = s->tile[tileno].comp[compno].reslevel + reslevelno; | |
980 | ✗ | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ | |
981 | ✗ | if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), | |
982 | ✗ | qntsty->nguardbits, packetno++, nlayers)) < 0) | |
983 | ✗ | return ret; | |
984 | } | ||
985 | } | ||
986 | } | ||
987 | } | ||
988 | ✗ | break; | |
989 | ✗ | case JPEG2000_PGOD_RPCL: | |
990 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) { | |
991 | int precno; | ||
992 | ✗ | step_x = 30; | |
993 | ✗ | step_y = 30; | |
994 | ✗ | for (compno = 0; compno < s->ncomponents; compno++) { | |
995 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
996 | ✗ | if (reslevelno < codsty->nreslevels) { | |
997 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
998 | ✗ | Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno; | |
999 | ✗ | step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno); | |
1000 | ✗ | step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno); | |
1001 | } | ||
1002 | } | ||
1003 | |||
1004 | ✗ | step_x = 1<<step_x; | |
1005 | ✗ | step_y = 1<<step_y; | |
1006 | ✗ | for (y = tile_coord[1][0]; y < tile_coord[1][1]; y = (y/step_y + 1)*step_y) { | |
1007 | ✗ | for (x = tile_coord[0][0]; x < tile_coord[0][1]; x = (x/step_x + 1)*step_x) { | |
1008 | ✗ | for (compno = 0; compno < s->ncomponents; compno++) { | |
1009 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
1010 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
1011 | ✗ | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1012 | ✗ | int log_subsampling[2] = { (compno+1&2)?s->chroma_shift[0]:0, (compno+1&2)?s->chroma_shift[1]:0}; | |
1013 | unsigned prcx, prcy; | ||
1014 | int trx0, try0; | ||
1015 | |||
1016 | ✗ | trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno); | |
1017 | ✗ | try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno); | |
1018 | |||
1019 | ✗ | if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 || | |
1020 | ✗ | (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height))))) | |
1021 | ✗ | continue; | |
1022 | |||
1023 | ✗ | if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 || | |
1024 | ✗ | (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width))))) | |
1025 | ✗ | continue; | |
1026 | |||
1027 | // check if a precinct exists | ||
1028 | ✗ | prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width; | |
1029 | ✗ | prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height; | |
1030 | ✗ | prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width; | |
1031 | ✗ | prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height; | |
1032 | ✗ | precno = prcx + reslevel->num_precincts_x * prcy; | |
1033 | |||
1034 | ✗ | if (prcx >= reslevel->num_precincts_x || prcy >= reslevel->num_precincts_y) { | |
1035 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n", | |
1036 | prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y); | ||
1037 | ✗ | continue; | |
1038 | } | ||
1039 | ✗ | for (layno = 0; layno < nlayers; layno++) { | |
1040 | ✗ | if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), | |
1041 | ✗ | qntsty->nguardbits, packetno++, nlayers)) < 0) | |
1042 | ✗ | return ret; | |
1043 | } | ||
1044 | } | ||
1045 | } | ||
1046 | } | ||
1047 | } | ||
1048 | ✗ | break; | |
1049 | ✗ | case JPEG2000_PGOD_PCRL: | |
1050 | ✗ | step_x = 32; | |
1051 | ✗ | step_y = 32; | |
1052 | ✗ | for (compno = 0; compno < s->ncomponents; compno++) { | |
1053 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
1054 | |||
1055 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) { | |
1056 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
1057 | ✗ | Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno; | |
1058 | ✗ | step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno); | |
1059 | ✗ | step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno); | |
1060 | } | ||
1061 | } | ||
1062 | ✗ | if (step_x >= 31 || step_y >= 31){ | |
1063 | ✗ | avpriv_request_sample(s->avctx, "PCRL with large step"); | |
1064 | ✗ | return AVERROR_PATCHWELCOME; | |
1065 | } | ||
1066 | ✗ | step_x = 1<<step_x; | |
1067 | ✗ | step_y = 1<<step_y; | |
1068 | |||
1069 | ✗ | for (y = tile_coord[1][0]; y < tile_coord[1][1]; y = (y/step_y + 1)*step_y) { | |
1070 | ✗ | for (x = tile_coord[0][0]; x < tile_coord[0][1]; x = (x/step_x + 1)*step_x) { | |
1071 | ✗ | for (compno = 0; compno < s->ncomponents; compno++) { | |
1072 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
1073 | ✗ | int log_subsampling[2] = { (compno+1&2)?s->chroma_shift[0]:0, (compno+1&2)?s->chroma_shift[1]:0}; | |
1074 | |||
1075 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) { | |
1076 | unsigned prcx, prcy; | ||
1077 | int precno; | ||
1078 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
1079 | ✗ | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1080 | int trx0, try0; | ||
1081 | |||
1082 | ✗ | trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno); | |
1083 | ✗ | try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno); | |
1084 | |||
1085 | ✗ | if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 || | |
1086 | ✗ | (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height))))) | |
1087 | ✗ | continue; | |
1088 | |||
1089 | ✗ | if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 || | |
1090 | ✗ | (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width))))) | |
1091 | ✗ | continue; | |
1092 | |||
1093 | // check if a precinct exists | ||
1094 | ✗ | prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width; | |
1095 | ✗ | prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height; | |
1096 | ✗ | prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width; | |
1097 | ✗ | prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height; | |
1098 | |||
1099 | ✗ | precno = prcx + reslevel->num_precincts_x * prcy; | |
1100 | |||
1101 | ✗ | if (prcx >= reslevel->num_precincts_x || prcy >= reslevel->num_precincts_y) { | |
1102 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n", | |
1103 | prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y); | ||
1104 | ✗ | continue; | |
1105 | } | ||
1106 | ✗ | for (layno = 0; layno < nlayers; layno++) { | |
1107 | ✗ | if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), | |
1108 | ✗ | qntsty->nguardbits, packetno++, nlayers)) < 0) | |
1109 | ✗ | return ret; | |
1110 | } | ||
1111 | } | ||
1112 | } | ||
1113 | } | ||
1114 | } | ||
1115 | ✗ | break; | |
1116 | ✗ | case JPEG2000_PGOD_CPRL: | |
1117 | ✗ | for (compno = 0; compno < s->ncomponents; compno++) { | |
1118 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
1119 | ✗ | int log_subsampling[2] = { (compno+1&2)?s->chroma_shift[0]:0, (compno+1&2)?s->chroma_shift[1]:0}; | |
1120 | ✗ | step_x = 32; | |
1121 | ✗ | step_y = 32; | |
1122 | |||
1123 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) { | |
1124 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
1125 | ✗ | Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno; | |
1126 | ✗ | step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno); | |
1127 | ✗ | step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno); | |
1128 | } | ||
1129 | ✗ | if (step_x >= 31 || step_y >= 31){ | |
1130 | ✗ | avpriv_request_sample(s->avctx, "CPRL with large step"); | |
1131 | ✗ | return AVERROR_PATCHWELCOME; | |
1132 | } | ||
1133 | ✗ | step_x = 1<<step_x; | |
1134 | ✗ | step_y = 1<<step_y; | |
1135 | |||
1136 | ✗ | for (y = tile_coord[1][0]; y < tile_coord[1][1]; y = (y/step_y + 1)*step_y) { | |
1137 | ✗ | for (x = tile_coord[0][0]; x < tile_coord[0][1]; x = (x/step_x + 1)*step_x) { | |
1138 | ✗ | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++) { | |
1139 | unsigned prcx, prcy; | ||
1140 | int precno; | ||
1141 | int trx0, try0; | ||
1142 | ✗ | uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r | |
1143 | ✗ | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1144 | |||
1145 | ✗ | trx0 = ff_jpeg2000_ceildivpow2(tile_coord[0][0], log_subsampling[0] + reducedresno); | |
1146 | ✗ | try0 = ff_jpeg2000_ceildivpow2(tile_coord[1][0], log_subsampling[1] + reducedresno); | |
1147 | |||
1148 | ✗ | if (!(y % ((uint64_t)1 << (reslevel->log2_prec_height + reducedresno + log_subsampling[1])) == 0 || | |
1149 | ✗ | (y == tile_coord[1][0] && (try0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_height))))) | |
1150 | ✗ | continue; | |
1151 | |||
1152 | ✗ | if (!(x % ((uint64_t)1 << (reslevel->log2_prec_width + reducedresno + log_subsampling[0])) == 0 || | |
1153 | ✗ | (x == tile_coord[0][0] && (trx0 << reducedresno) % (1U << (reducedresno + reslevel->log2_prec_width))))) | |
1154 | ✗ | continue; | |
1155 | |||
1156 | // check if a precinct exists | ||
1157 | ✗ | prcx = ff_jpeg2000_ceildivpow2(x, log_subsampling[0] + reducedresno) >> reslevel->log2_prec_width; | |
1158 | ✗ | prcy = ff_jpeg2000_ceildivpow2(y, log_subsampling[1] + reducedresno) >> reslevel->log2_prec_height; | |
1159 | ✗ | prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> reslevel->log2_prec_width; | |
1160 | ✗ | prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> reslevel->log2_prec_height; | |
1161 | |||
1162 | ✗ | precno = prcx + reslevel->num_precincts_x * prcy; | |
1163 | |||
1164 | ✗ | if (prcx >= reslevel->num_precincts_x || prcy >= reslevel->num_precincts_y) { | |
1165 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n", | |
1166 | prcx, prcy, reslevel->num_precincts_x, reslevel->num_precincts_y); | ||
1167 | ✗ | continue; | |
1168 | } | ||
1169 | ✗ | for (layno = 0; layno < nlayers; layno++) { | |
1170 | ✗ | if ((ret = encode_packet(s, reslevel, layno, precno, qntsty->expn + (reslevelno ? 3*reslevelno-2 : 0), | |
1171 | ✗ | qntsty->nguardbits, packetno++, nlayers)) < 0) | |
1172 | ✗ | return ret; | |
1173 | } | ||
1174 | } | ||
1175 | } | ||
1176 | } | ||
1177 | } | ||
1178 | |||
1179 | } | ||
1180 | |||
1181 | 2600 | av_log(s->avctx, AV_LOG_DEBUG, "after tier2\n"); | |
1182 | 2600 | return 0; | |
1183 | } | ||
1184 | |||
1185 | ✗ | static void makelayer(Jpeg2000EncoderContext *s, int layno, double thresh, Jpeg2000Tile* tile, int final) | |
1186 | { | ||
1187 | int compno, resno, bandno, precno, cblkno; | ||
1188 | int passno; | ||
1189 | |||
1190 | ✗ | for (compno = 0; compno < s->ncomponents; compno++) { | |
1191 | ✗ | Jpeg2000Component *comp = &tile->comp[compno]; | |
1192 | |||
1193 | ✗ | for (resno = 0; resno < s->codsty.nreslevels; resno++) { | |
1194 | ✗ | Jpeg2000ResLevel *reslevel = comp->reslevel + resno; | |
1195 | |||
1196 | ✗ | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ | |
1197 | ✗ | for (bandno = 0; bandno < reslevel->nbands ; bandno++){ | |
1198 | ✗ | Jpeg2000Band *band = reslevel->band + bandno; | |
1199 | ✗ | Jpeg2000Prec *prec = band->prec + precno; | |
1200 | |||
1201 | ✗ | for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){ | |
1202 | ✗ | Jpeg2000Cblk *cblk = prec->cblk + cblkno; | |
1203 | ✗ | Jpeg2000Layer *layer = &cblk->layers[layno]; | |
1204 | int n; | ||
1205 | |||
1206 | ✗ | if (layno == 0) { | |
1207 | ✗ | cblk->ninclpasses = 0; | |
1208 | } | ||
1209 | |||
1210 | ✗ | n = cblk->ninclpasses; | |
1211 | |||
1212 | ✗ | if (thresh < 0) { | |
1213 | ✗ | n = cblk->npasses; | |
1214 | } else { | ||
1215 | ✗ | for (passno = cblk->ninclpasses; passno < cblk->npasses; passno++) { | |
1216 | int32_t dr; | ||
1217 | double dd; | ||
1218 | ✗ | Jpeg2000Pass *pass = &cblk->passes[passno]; | |
1219 | |||
1220 | ✗ | if (n == 0) { | |
1221 | ✗ | dr = pass->rate; | |
1222 | ✗ | dd = pass->disto; | |
1223 | } else { | ||
1224 | ✗ | dr = pass->rate - cblk->passes[n - 1].rate; | |
1225 | ✗ | dd = pass->disto - cblk->passes[n-1].disto; | |
1226 | } | ||
1227 | |||
1228 | ✗ | if (!dr) { | |
1229 | ✗ | if (dd != 0.0) { | |
1230 | ✗ | n = passno + 1; | |
1231 | } | ||
1232 | ✗ | continue; | |
1233 | } | ||
1234 | |||
1235 | ✗ | if (thresh - (dd / dr) < DBL_EPSILON) | |
1236 | ✗ | n = passno + 1; | |
1237 | } | ||
1238 | } | ||
1239 | ✗ | layer->npasses = n - cblk->ninclpasses; | |
1240 | ✗ | layer->cum_passes = n; | |
1241 | |||
1242 | ✗ | if (layer->npasses == 0) { | |
1243 | ✗ | layer->disto = 0; | |
1244 | ✗ | layer->data_len = 0; | |
1245 | ✗ | continue; | |
1246 | } | ||
1247 | |||
1248 | ✗ | if (cblk->ninclpasses == 0) { | |
1249 | ✗ | layer->data_len = cblk->passes[n - 1].rate; | |
1250 | ✗ | layer->data_start = cblk->data; | |
1251 | ✗ | layer->disto = cblk->passes[n - 1].disto; | |
1252 | } else { | ||
1253 | ✗ | layer->data_len = cblk->passes[n - 1].rate - cblk->passes[cblk->ninclpasses - 1].rate; | |
1254 | ✗ | layer->data_start = cblk->data + cblk->passes[cblk->ninclpasses - 1].rate; | |
1255 | ✗ | layer->disto = cblk->passes[n - 1].disto - | |
1256 | ✗ | cblk->passes[cblk->ninclpasses - 1].disto; | |
1257 | } | ||
1258 | ✗ | if (final) { | |
1259 | ✗ | cblk->ninclpasses = n; | |
1260 | } | ||
1261 | } | ||
1262 | } | ||
1263 | } | ||
1264 | } | ||
1265 | } | ||
1266 | ✗ | } | |
1267 | |||
1268 | ✗ | static void makelayers(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile) | |
1269 | { | ||
1270 | int precno, compno, reslevelno, bandno, cblkno, lev, passno, layno; | ||
1271 | int i; | ||
1272 | ✗ | double min = DBL_MAX; | |
1273 | ✗ | double max = 0; | |
1274 | double thresh; | ||
1275 | |||
1276 | ✗ | Jpeg2000CodingStyle *codsty = &s->codsty; | |
1277 | |||
1278 | ✗ | for (compno = 0; compno < s->ncomponents; compno++){ | |
1279 | ✗ | Jpeg2000Component *comp = tile->comp + compno; | |
1280 | |||
1281 | ✗ | for (reslevelno = 0, lev = codsty->nreslevels-1; reslevelno < codsty->nreslevels; reslevelno++, lev--){ | |
1282 | ✗ | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1283 | |||
1284 | ✗ | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ | |
1285 | ✗ | for (bandno = 0; bandno < reslevel->nbands ; bandno++){ | |
1286 | ✗ | Jpeg2000Band *band = reslevel->band + bandno; | |
1287 | ✗ | Jpeg2000Prec *prec = band->prec + precno; | |
1288 | |||
1289 | ✗ | for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){ | |
1290 | ✗ | Jpeg2000Cblk *cblk = prec->cblk + cblkno; | |
1291 | ✗ | for (passno = 0; passno < cblk->npasses; passno++) { | |
1292 | ✗ | Jpeg2000Pass *pass = &cblk->passes[passno]; | |
1293 | int dr; | ||
1294 | double dd, drslope; | ||
1295 | |||
1296 | ✗ | if (passno == 0) { | |
1297 | ✗ | dr = (int32_t)pass->rate; | |
1298 | ✗ | dd = pass->disto; | |
1299 | } else { | ||
1300 | ✗ | dr = (int32_t)(pass->rate - cblk->passes[passno - 1].rate); | |
1301 | ✗ | dd = pass->disto - cblk->passes[passno - 1].disto; | |
1302 | } | ||
1303 | |||
1304 | ✗ | if (dr <= 0) | |
1305 | ✗ | continue; | |
1306 | |||
1307 | ✗ | drslope = dd / dr; | |
1308 | ✗ | if (drslope < min) | |
1309 | ✗ | min = drslope; | |
1310 | |||
1311 | ✗ | if (drslope > max) | |
1312 | ✗ | max = drslope; | |
1313 | } | ||
1314 | } | ||
1315 | } | ||
1316 | } | ||
1317 | } | ||
1318 | } | ||
1319 | |||
1320 | ✗ | for (layno = 0; layno < s->nlayers; layno++) { | |
1321 | ✗ | double lo = min; | |
1322 | ✗ | double hi = max; | |
1323 | ✗ | double stable_thresh = 0.0; | |
1324 | ✗ | double good_thresh = 0.0; | |
1325 | ✗ | if (!s->layer_rates[layno]) { | |
1326 | ✗ | good_thresh = -1.0; | |
1327 | } else { | ||
1328 | ✗ | for (i = 0; i < 128; i++) { | |
1329 | ✗ | uint8_t *stream_pos = s->buf; | |
1330 | int ret; | ||
1331 | ✗ | thresh = (lo + hi) / 2; | |
1332 | ✗ | makelayer(s, layno, thresh, tile, 0); | |
1333 | ✗ | ret = encode_packets(s, tile, (int)(tile - s->tile), layno + 1); | |
1334 | ✗ | memset(stream_pos, 0, s->buf - stream_pos); | |
1335 | ✗ | if ((s->buf - stream_pos > ceil(tile->layer_rates[layno])) || ret < 0) { | |
1336 | ✗ | lo = thresh; | |
1337 | ✗ | s->buf = stream_pos; | |
1338 | ✗ | continue; | |
1339 | } | ||
1340 | ✗ | hi = thresh; | |
1341 | ✗ | stable_thresh = thresh; | |
1342 | ✗ | s->buf = stream_pos; | |
1343 | } | ||
1344 | } | ||
1345 | ✗ | if (good_thresh >= 0.0) | |
1346 | ✗ | good_thresh = stable_thresh == 0.0 ? thresh : stable_thresh; | |
1347 | ✗ | makelayer(s, layno, good_thresh, tile, 1); | |
1348 | } | ||
1349 | ✗ | } | |
1350 | |||
1351 | 903500 | static int getcut(Jpeg2000Cblk *cblk, uint64_t lambda, int dwt_norm) | |
1352 | { | ||
1353 | 903500 | int passno, res = 0; | |
1354 |
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21698203 | for (passno = 0; passno < cblk->npasses; passno++){ |
1355 | int dr; | ||
1356 | int64_t dd; | ||
1357 | |||
1358 | 41589406 | dr = cblk->passes[passno].rate | |
1359 |
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20794703 | - (res ? cblk->passes[res-1].rate : 0); |
1360 | 41589406 | dd = cblk->passes[passno].disto | |
1361 |
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20794703 | - (res ? cblk->passes[res-1].disto : 0); |
1362 | |||
1363 |
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|
20794703 | if (((dd * dwt_norm) >> WMSEDEC_SHIFT) * dwt_norm >= dr * lambda) |
1364 | 10955315 | res = passno+1; | |
1365 | } | ||
1366 | 903500 | return res; | |
1367 | } | ||
1368 | |||
1369 | 2600 | static void truncpasses(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile) | |
1370 | { | ||
1371 | int precno, compno, reslevelno, bandno, cblkno, lev; | ||
1372 | 2600 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
1373 | |||
1374 |
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11050 | for (compno = 0; compno < s->ncomponents; compno++){ |
1375 | 8450 | Jpeg2000Component *comp = tile->comp + compno; | |
1376 | |||
1377 |
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67600 | for (reslevelno = 0, lev = codsty->nreslevels-1; reslevelno < codsty->nreslevels; reslevelno++, lev--){ |
1378 | 59150 | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1379 | |||
1380 |
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118300 | for (precno = 0; precno < reslevel->num_precincts_x * reslevel->num_precincts_y; precno++){ |
1381 |
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219700 | for (bandno = 0; bandno < reslevel->nbands ; bandno++){ |
1382 | 160550 | int bandpos = bandno + (reslevelno > 0); | |
1383 | 160550 | Jpeg2000Band *band = reslevel->band + bandno; | |
1384 | 160550 | Jpeg2000Prec *prec = band->prec + precno; | |
1385 | |||
1386 |
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1064050 | for (cblkno = 0; cblkno < prec->nb_codeblocks_height * prec->nb_codeblocks_width; cblkno++){ |
1387 | 903500 | Jpeg2000Cblk *cblk = prec->cblk + cblkno; | |
1388 | |||
1389 | 1807000 | cblk->ninclpasses = getcut(cblk, s->lambda, | |
1390 | 903500 | (int64_t)dwt_norms[codsty->transform == FF_DWT53][bandpos][lev] * (int64_t)band->i_stepsize >> 15); | |
1391 | 903500 | cblk->layers[0].data_start = cblk->data; | |
1392 | 903500 | cblk->layers[0].cum_passes = cblk->ninclpasses; | |
1393 | 903500 | cblk->layers[0].npasses = cblk->ninclpasses; | |
1394 |
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|
903500 | if (cblk->ninclpasses) |
1395 | 794549 | cblk->layers[0].data_len = cblk->passes[cblk->ninclpasses - 1].rate; | |
1396 | } | ||
1397 | } | ||
1398 | } | ||
1399 | } | ||
1400 | } | ||
1401 | 2600 | } | |
1402 | |||
1403 | 2600 | static int encode_tile(Jpeg2000EncoderContext *s, Jpeg2000Tile *tile, int tileno) | |
1404 | { | ||
1405 | int compno, reslevelno, bandno, ret; | ||
1406 | Jpeg2000T1Context t1; | ||
1407 | 2600 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
1408 |
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11050 | for (compno = 0; compno < s->ncomponents; compno++){ |
1409 | 8450 | Jpeg2000Component *comp = s->tile[tileno].comp + compno; | |
1410 | |||
1411 | 8450 | t1.stride = (1<<codsty->log2_cblk_width) + 2; | |
1412 | |||
1413 | 8450 | av_log(s->avctx, AV_LOG_DEBUG,"dwt\n"); | |
1414 |
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|
8450 | if ((ret = ff_dwt_encode(&comp->dwt, comp->i_data)) < 0) |
1415 | ✗ | return ret; | |
1416 | 8450 | av_log(s->avctx, AV_LOG_DEBUG,"after dwt -> tier1\n"); | |
1417 | |||
1418 |
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67600 | for (reslevelno = 0; reslevelno < codsty->nreslevels; reslevelno++){ |
1419 | 59150 | Jpeg2000ResLevel *reslevel = comp->reslevel + reslevelno; | |
1420 | |||
1421 |
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|
219700 | for (bandno = 0; bandno < reslevel->nbands ; bandno++){ |
1422 | 160550 | Jpeg2000Band *band = reslevel->band + bandno; | |
1423 | 160550 | Jpeg2000Prec *prec = band->prec; // we support only 1 precinct per band ATM in the encoder | |
1424 | 160550 | int cblkx, cblky, cblkno=0, xx0, x0, xx1, y0, yy0, yy1, bandpos; | |
1425 |
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|
160550 | yy0 = bandno == 0 ? 0 : comp->reslevel[reslevelno-1].coord[1][1] - comp->reslevel[reslevelno-1].coord[1][0]; |
1426 | 160550 | y0 = yy0; | |
1427 |
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|
160550 | yy1 = FFMIN(ff_jpeg2000_ceildivpow2(band->coord[1][0] + 1, band->log2_cblk_height) << band->log2_cblk_height, |
1428 | 160550 | band->coord[1][1]) - band->coord[1][0] + yy0; | |
1429 | |||
1430 |
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|
160550 | if (band->coord[0][0] == band->coord[0][1] || band->coord[1][0] == band->coord[1][1]) |
1431 | 7800 | continue; | |
1432 | |||
1433 | 152750 | bandpos = bandno + (reslevelno > 0); | |
1434 | |||
1435 |
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436150 | for (cblky = 0; cblky < prec->nb_codeblocks_height; cblky++){ |
1436 |
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|
283400 | if (reslevelno == 0 || bandno == 1) |
1437 | 98800 | xx0 = 0; | |
1438 | else | ||
1439 | 184600 | xx0 = comp->reslevel[reslevelno-1].coord[0][1] - comp->reslevel[reslevelno-1].coord[0][0]; | |
1440 | 283400 | x0 = xx0; | |
1441 |
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|
283400 | xx1 = FFMIN(ff_jpeg2000_ceildivpow2(band->coord[0][0] + 1, band->log2_cblk_width) << band->log2_cblk_width, |
1442 | 283400 | band->coord[0][1]) - band->coord[0][0] + xx0; | |
1443 | |||
1444 |
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1179100 | for (cblkx = 0; cblkx < prec->nb_codeblocks_width; cblkx++, cblkno++){ |
1445 | int y, x; | ||
1446 |
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|
895700 | if (codsty->transform == FF_DWT53){ |
1447 |
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10621500 | for (y = yy0; y < yy1; y++){ |
1448 | 9932500 | int *ptr = t1.data + (y-yy0)*t1.stride; | |
1449 |
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162574500 | for (x = xx0; x < xx1; x++){ |
1450 | 152642000 | *ptr++ = comp->i_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x] * (1 << NMSEDEC_FRACBITS); | |
1451 | } | ||
1452 | } | ||
1453 | } else{ | ||
1454 |
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|
3186450 | for (y = yy0; y < yy1; y++){ |
1455 | 2979750 | int *ptr = t1.data + (y-yy0)*t1.stride; | |
1456 |
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48772350 | for (x = xx0; x < xx1; x++){ |
1457 | 45792600 | *ptr = (comp->i_data[(comp->coord[0][1] - comp->coord[0][0]) * y + x]); | |
1458 | 45792600 | *ptr = (int64_t)*ptr * (int64_t)(16384 * 65536 / band->i_stepsize) >> 15 - NMSEDEC_FRACBITS; | |
1459 | 45792600 | ptr++; | |
1460 | } | ||
1461 | } | ||
1462 | } | ||
1463 |
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|
895700 | if (!prec->cblk[cblkno].data) |
1464 | 17914 | prec->cblk[cblkno].data = av_malloc(1 + 8192); | |
1465 |
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|
895700 | if (!prec->cblk[cblkno].passes) |
1466 | 17914 | prec->cblk[cblkno].passes = av_malloc_array(JPEG2000_MAX_PASSES, sizeof (*prec->cblk[cblkno].passes)); | |
1467 |
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|
895700 | if (!prec->cblk[cblkno].data || !prec->cblk[cblkno].passes) |
1468 | ✗ | return AVERROR(ENOMEM); | |
1469 | 895700 | encode_cblk(s, &t1, prec->cblk + cblkno, tile, xx1 - xx0, yy1 - yy0, | |
1470 | 895700 | bandpos, codsty->nreslevels - reslevelno - 1); | |
1471 | 895700 | xx0 = xx1; | |
1472 | 895700 | xx1 = FFMIN(xx1 + (1 << band->log2_cblk_width), band->coord[0][1] - band->coord[0][0] + x0); | |
1473 | } | ||
1474 | 283400 | yy0 = yy1; | |
1475 | 283400 | yy1 = FFMIN(yy1 + (1 << band->log2_cblk_height), band->coord[1][1] - band->coord[1][0] + y0); | |
1476 | } | ||
1477 | } | ||
1478 | } | ||
1479 | 8450 | av_log(s->avctx, AV_LOG_DEBUG, "after tier1\n"); | |
1480 | } | ||
1481 | |||
1482 | 2600 | av_log(s->avctx, AV_LOG_DEBUG, "rate control\n"); | |
1483 |
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|
2600 | if (s->compression_rate_enc) |
1484 | ✗ | makelayers(s, tile); | |
1485 | else | ||
1486 | 2600 | truncpasses(s, tile); | |
1487 | |||
1488 |
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|
2600 | if ((ret = encode_packets(s, tile, tileno, s->nlayers)) < 0) |
1489 | ✗ | return ret; | |
1490 | 2600 | av_log(s->avctx, AV_LOG_DEBUG, "after rate control\n"); | |
1491 | 2600 | return 0; | |
1492 | } | ||
1493 | |||
1494 | 16 | static void cleanup(Jpeg2000EncoderContext *s) | |
1495 | { | ||
1496 | int tileno, compno; | ||
1497 | 16 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
1498 | |||
1499 |
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|
16 | if (!s->tile) |
1500 | ✗ | return; | |
1501 |
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|
68 | for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ |
1502 |
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|
52 | if (s->tile[tileno].comp) { |
1503 |
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|
221 | for (compno = 0; compno < s->ncomponents; compno++){ |
1504 | 169 | Jpeg2000Component *comp = s->tile[tileno].comp + compno; | |
1505 | 169 | ff_jpeg2000_cleanup(comp, codsty); | |
1506 | } | ||
1507 | 52 | av_freep(&s->tile[tileno].comp); | |
1508 | } | ||
1509 | 52 | av_freep(&s->tile[tileno].layer_rates); | |
1510 | } | ||
1511 | 16 | av_freep(&s->tile); | |
1512 | } | ||
1513 | |||
1514 | 800 | static void reinit(Jpeg2000EncoderContext *s) | |
1515 | { | ||
1516 | int tileno, compno; | ||
1517 |
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|
3400 | for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ |
1518 | 2600 | Jpeg2000Tile *tile = s->tile + tileno; | |
1519 |
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11050 | for (compno = 0; compno < s->ncomponents; compno++) |
1520 | 8450 | ff_jpeg2000_reinit(tile->comp + compno, &s->codsty); | |
1521 | } | ||
1522 | 800 | } | |
1523 | |||
1524 | 4000 | static void update_size(uint8_t *size, const uint8_t *end) | |
1525 | { | ||
1526 | 4000 | AV_WB32(size, end-size); | |
1527 | 4000 | } | |
1528 | |||
1529 | 800 | static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, | |
1530 | const AVFrame *pict, int *got_packet) | ||
1531 | { | ||
1532 | int tileno, ret; | ||
1533 | 800 | Jpeg2000EncoderContext *s = avctx->priv_data; | |
1534 | uint8_t *chunkstart, *jp2cstart, *jp2hstart; | ||
1535 | 800 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); | |
1536 | |||
1537 |
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|
800 | if ((ret = ff_alloc_packet(avctx, pkt, avctx->width*avctx->height*9 + AV_INPUT_BUFFER_MIN_SIZE)) < 0) |
1538 | ✗ | return ret; | |
1539 | |||
1540 | // init: | ||
1541 | 800 | s->buf = s->buf_start = pkt->data; | |
1542 | 800 | s->buf_end = pkt->data + pkt->size; | |
1543 | |||
1544 | 800 | s->picture = pict; | |
1545 | |||
1546 | 800 | s->lambda = s->picture->quality * LAMBDA_SCALE; | |
1547 | |||
1548 |
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|
800 | if (s->cbps[0] > 8) |
1549 | 400 | copy_frame_16(s); | |
1550 | else | ||
1551 | 400 | copy_frame_8(s); | |
1552 | |||
1553 | 800 | reinit(s); | |
1554 | |||
1555 |
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|
800 | if (s->format == CODEC_JP2) { |
1556 |
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|
800 | av_assert0(s->buf == pkt->data); |
1557 | |||
1558 | 800 | bytestream_put_be32(&s->buf, 0x0000000C); | |
1559 | 800 | bytestream_put_be32(&s->buf, 0x6A502020); | |
1560 | 800 | bytestream_put_be32(&s->buf, 0x0D0A870A); | |
1561 | |||
1562 | 800 | chunkstart = s->buf; | |
1563 | 800 | bytestream_put_be32(&s->buf, 0); | |
1564 | 800 | bytestream_put_buffer(&s->buf, "ftyp", 4); | |
1565 | 800 | bytestream_put_buffer(&s->buf, "jp2\040\040", 4); | |
1566 | 800 | bytestream_put_be32(&s->buf, 0); | |
1567 | 800 | bytestream_put_buffer(&s->buf, "jp2\040", 4); | |
1568 | 800 | update_size(chunkstart, s->buf); | |
1569 | |||
1570 | 800 | jp2hstart = s->buf; | |
1571 | 800 | bytestream_put_be32(&s->buf, 0); | |
1572 | 800 | bytestream_put_buffer(&s->buf, "jp2h", 4); | |
1573 | |||
1574 | 800 | chunkstart = s->buf; | |
1575 | 800 | bytestream_put_be32(&s->buf, 0); | |
1576 | 800 | bytestream_put_buffer(&s->buf, "ihdr", 4); | |
1577 | 800 | bytestream_put_be32(&s->buf, avctx->height); | |
1578 | 800 | bytestream_put_be32(&s->buf, avctx->width); | |
1579 | 800 | bytestream_put_be16(&s->buf, s->ncomponents); | |
1580 | 800 | bytestream_put_byte(&s->buf, s->cbps[0]); | |
1581 | 800 | bytestream_put_byte(&s->buf, 7); | |
1582 | 800 | bytestream_put_byte(&s->buf, 0); | |
1583 | 800 | bytestream_put_byte(&s->buf, 0); | |
1584 | 800 | update_size(chunkstart, s->buf); | |
1585 | |||
1586 | 800 | chunkstart = s->buf; | |
1587 | 800 | bytestream_put_be32(&s->buf, 0); | |
1588 | 800 | bytestream_put_buffer(&s->buf, "colr", 4); | |
1589 | 800 | bytestream_put_byte(&s->buf, 1); | |
1590 | 800 | bytestream_put_byte(&s->buf, 0); | |
1591 | 800 | bytestream_put_byte(&s->buf, 0); | |
1592 |
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|
800 | if ((desc->flags & AV_PIX_FMT_FLAG_RGB) || avctx->pix_fmt == AV_PIX_FMT_PAL8) { |
1593 | 600 | bytestream_put_be32(&s->buf, 16); | |
1594 |
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|
200 | } else if (s->ncomponents == 1) { |
1595 | ✗ | bytestream_put_be32(&s->buf, 17); | |
1596 | } else { | ||
1597 | 200 | bytestream_put_be32(&s->buf, 18); | |
1598 | } | ||
1599 | 800 | update_size(chunkstart, s->buf); | |
1600 |
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|
800 | if (avctx->pix_fmt == AV_PIX_FMT_PAL8) { |
1601 | int i; | ||
1602 | ✗ | const uint8_t *palette = pict->data[1]; | |
1603 | ✗ | chunkstart = s->buf; | |
1604 | ✗ | bytestream_put_be32(&s->buf, 0); | |
1605 | ✗ | bytestream_put_buffer(&s->buf, "pclr", 4); | |
1606 | ✗ | bytestream_put_be16(&s->buf, AVPALETTE_COUNT); | |
1607 | ✗ | bytestream_put_byte(&s->buf, 3); // colour channels | |
1608 | ✗ | bytestream_put_be24(&s->buf, 0x070707); //colour depths | |
1609 | ✗ | for (i = 0; i < AVPALETTE_COUNT; i++) { | |
1610 | ✗ | bytestream_put_be24(&s->buf, HAVE_BIGENDIAN ? AV_RB24(palette + 1) : AV_RL24(palette)); | |
1611 | ✗ | palette += 4; | |
1612 | } | ||
1613 | ✗ | update_size(chunkstart, s->buf); | |
1614 | ✗ | chunkstart = s->buf; | |
1615 | ✗ | bytestream_put_be32(&s->buf, 0); | |
1616 | ✗ | bytestream_put_buffer(&s->buf, "cmap", 4); | |
1617 | ✗ | for (i = 0; i < 3; i++) { | |
1618 | ✗ | bytestream_put_be16(&s->buf, 0); // component | |
1619 | ✗ | bytestream_put_byte(&s->buf, 1); // palette mapping | |
1620 | ✗ | bytestream_put_byte(&s->buf, i); // index | |
1621 | } | ||
1622 | ✗ | update_size(chunkstart, s->buf); | |
1623 | } | ||
1624 | 800 | update_size(jp2hstart, s->buf); | |
1625 | |||
1626 | 800 | jp2cstart = s->buf; | |
1627 | 800 | bytestream_put_be32(&s->buf, 0); | |
1628 | 800 | bytestream_put_buffer(&s->buf, "jp2c", 4); | |
1629 | } | ||
1630 | |||
1631 |
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|
800 | if (s->buf_end - s->buf < 2) |
1632 | ✗ | return -1; | |
1633 | 800 | bytestream_put_be16(&s->buf, JPEG2000_SOC); | |
1634 |
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800 | if ((ret = put_siz(s)) < 0) |
1635 | ✗ | return ret; | |
1636 |
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|
800 | if ((ret = put_cod(s)) < 0) |
1637 | ✗ | return ret; | |
1638 |
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|
800 | if ((ret = put_qcd(s, 0)) < 0) |
1639 | ✗ | return ret; | |
1640 |
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|
800 | if ((ret = put_com(s, 0)) < 0) |
1641 | ✗ | return ret; | |
1642 | |||
1643 |
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|
3400 | for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++){ |
1644 | uint8_t *psotptr; | ||
1645 |
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|
2600 | if (!(psotptr = put_sot(s, tileno))) |
1646 | ✗ | return -1; | |
1647 |
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|
2600 | if (s->buf_end - s->buf < 2) |
1648 | ✗ | return -1; | |
1649 | 2600 | bytestream_put_be16(&s->buf, JPEG2000_SOD); | |
1650 |
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|
2600 | if ((ret = encode_tile(s, s->tile + tileno, tileno)) < 0) |
1651 | ✗ | return ret; | |
1652 | 2600 | bytestream_put_be32(&psotptr, s->buf - psotptr + 6); | |
1653 | } | ||
1654 |
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|
800 | if (s->buf_end - s->buf < 2) |
1655 | ✗ | return -1; | |
1656 | 800 | bytestream_put_be16(&s->buf, JPEG2000_EOC); | |
1657 | |||
1658 |
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|
800 | if (s->format == CODEC_JP2) |
1659 | 800 | update_size(jp2cstart, s->buf); | |
1660 | |||
1661 | 800 | av_log(s->avctx, AV_LOG_DEBUG, "end\n"); | |
1662 | 800 | pkt->size = s->buf - s->buf_start; | |
1663 | 800 | *got_packet = 1; | |
1664 | |||
1665 | 800 | return 0; | |
1666 | } | ||
1667 | |||
1668 | 16 | static int parse_layer_rates(Jpeg2000EncoderContext *s) | |
1669 | { | ||
1670 | int i; | ||
1671 | char *token; | ||
1672 | 16 | char *saveptr = NULL; | |
1673 | int rate; | ||
1674 | 16 | int nlayers = 0; | |
1675 |
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16 | if (!s->lr_str) { |
1676 | 16 | s->nlayers = 1; | |
1677 | 16 | s->layer_rates[0] = 0; | |
1678 | 16 | s->compression_rate_enc = 0; | |
1679 | 16 | return 0; | |
1680 | } | ||
1681 | |||
1682 | ✗ | token = av_strtok(s->lr_str, ",", &saveptr); | |
1683 | ✗ | if (token && (rate = strtol(token, NULL, 10))) { | |
1684 | ✗ | s->layer_rates[0] = rate <= 1 ? 0:rate; | |
1685 | ✗ | nlayers++; | |
1686 | } else { | ||
1687 | ✗ | return AVERROR_INVALIDDATA; | |
1688 | } | ||
1689 | |||
1690 | while (1) { | ||
1691 | ✗ | token = av_strtok(NULL, ",", &saveptr); | |
1692 | ✗ | if (!token) | |
1693 | ✗ | break; | |
1694 | ✗ | if (rate = strtol(token, NULL, 10)) { | |
1695 | ✗ | if (nlayers >= 100) { | |
1696 | ✗ | return AVERROR_INVALIDDATA; | |
1697 | } | ||
1698 | ✗ | s->layer_rates[nlayers] = rate <= 1 ? 0:rate; | |
1699 | ✗ | nlayers++; | |
1700 | } else { | ||
1701 | ✗ | return AVERROR_INVALIDDATA; | |
1702 | } | ||
1703 | } | ||
1704 | |||
1705 | ✗ | for (i = 1; i < nlayers; i++) { | |
1706 | ✗ | if (s->layer_rates[i] >= s->layer_rates[i-1]) { | |
1707 | ✗ | return AVERROR_INVALIDDATA; | |
1708 | } | ||
1709 | } | ||
1710 | ✗ | s->nlayers = nlayers; | |
1711 | ✗ | s->compression_rate_enc = 1; | |
1712 | ✗ | return 0; | |
1713 | } | ||
1714 | |||
1715 | 16 | static av_cold int j2kenc_init(AVCodecContext *avctx) | |
1716 | { | ||
1717 | static AVOnce init_static_once = AV_ONCE_INIT; | ||
1718 | int i, ret; | ||
1719 | 16 | Jpeg2000EncoderContext *s = avctx->priv_data; | |
1720 | 16 | Jpeg2000CodingStyle *codsty = &s->codsty; | |
1721 | 16 | Jpeg2000QuantStyle *qntsty = &s->qntsty; | |
1722 | 16 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); | |
1723 | |||
1724 | 16 | s->avctx = avctx; | |
1725 | 16 | av_log(s->avctx, AV_LOG_DEBUG, "init\n"); | |
1726 |
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16 | if (parse_layer_rates(s)) { |
1727 | ✗ | av_log(s, AV_LOG_WARNING, "Layer rates invalid. Encoding with 1 layer based on quality metric.\n"); | |
1728 | ✗ | s->nlayers = 1; | |
1729 | ✗ | s->layer_rates[0] = 0; | |
1730 | ✗ | s->compression_rate_enc = 0; | |
1731 | } | ||
1732 | |||
1733 |
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16 | if (avctx->pix_fmt == AV_PIX_FMT_PAL8 && (s->pred != FF_DWT97_INT || s->format != CODEC_JP2)) { |
1734 | ✗ | av_log(s->avctx, AV_LOG_WARNING, "Forcing lossless jp2 for pal8\n"); | |
1735 | ✗ | s->pred = 1; | |
1736 | ✗ | s->format = CODEC_JP2; | |
1737 | } | ||
1738 | |||
1739 | // defaults: | ||
1740 | // TODO: implement setting non-standard precinct size | ||
1741 | 16 | memset(codsty->log2_prec_widths , 15, sizeof(codsty->log2_prec_widths )); | |
1742 | 16 | memset(codsty->log2_prec_heights, 15, sizeof(codsty->log2_prec_heights)); | |
1743 | 16 | codsty->nreslevels2decode= | |
1744 | 16 | codsty->nreslevels = 7; | |
1745 | 16 | codsty->nlayers = s->nlayers; | |
1746 | 16 | codsty->log2_cblk_width = 4; | |
1747 | 16 | codsty->log2_cblk_height = 4; | |
1748 |
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16 | codsty->transform = s->pred ? FF_DWT53 : FF_DWT97_INT; |
1749 | |||
1750 | 16 | qntsty->nguardbits = 1; | |
1751 | |||
1752 |
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16 | if ((s->tile_width & (s->tile_width -1)) || |
1753 |
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16 | (s->tile_height & (s->tile_height-1))) { |
1754 | ✗ | av_log(avctx, AV_LOG_WARNING, "Tile dimension not a power of 2\n"); | |
1755 | } | ||
1756 | |||
1757 |
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16 | if (codsty->transform == FF_DWT53) |
1758 | 12 | qntsty->quantsty = JPEG2000_QSTY_NONE; | |
1759 | else | ||
1760 | 4 | qntsty->quantsty = JPEG2000_QSTY_SE; | |
1761 | |||
1762 | 16 | s->width = avctx->width; | |
1763 | 16 | s->height = avctx->height; | |
1764 | |||
1765 | 16 | s->ncomponents = desc->nb_components; | |
1766 |
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80 | for (i = 0; i < 4; i++) { |
1767 | 64 | s->cbps[i] = desc->comp[i].depth; | |
1768 | 64 | s->comp_remap[i] = i; //default | |
1769 | } | ||
1770 | |||
1771 |
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16 | if ((desc->flags & AV_PIX_FMT_FLAG_PLANAR) && s->ncomponents > 1) { |
1772 | 8 | s->planar = 1; | |
1773 | 8 | ret = av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, | |
1774 | 8 | s->chroma_shift, s->chroma_shift + 1); | |
1775 |
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8 | if (ret) |
1776 | ✗ | return ret; | |
1777 |
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8 | if (desc->flags & AV_PIX_FMT_FLAG_RGB) { |
1778 | 4 | s->comp_remap[0] = 2; | |
1779 | 4 | s->comp_remap[1] = 0; | |
1780 | 4 | s->comp_remap[2] = 1; | |
1781 | } | ||
1782 | } | ||
1783 | |||
1784 | 16 | ff_thread_once(&init_static_once, init_luts); | |
1785 | |||
1786 | 16 | init_quantization(s); | |
1787 |
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16 | if ((ret=init_tiles(s)) < 0) |
1788 | ✗ | return ret; | |
1789 | |||
1790 | 16 | av_log(s->avctx, AV_LOG_DEBUG, "after init\n"); | |
1791 | |||
1792 | 16 | return 0; | |
1793 | } | ||
1794 | |||
1795 | 16 | static int j2kenc_destroy(AVCodecContext *avctx) | |
1796 | { | ||
1797 | 16 | Jpeg2000EncoderContext *s = avctx->priv_data; | |
1798 | |||
1799 | 16 | cleanup(s); | |
1800 | 16 | return 0; | |
1801 | } | ||
1802 | |||
1803 | // taken from the libopenjpeg wraper so it matches | ||
1804 | |||
1805 | #define OFFSET(x) offsetof(Jpeg2000EncoderContext, x) | ||
1806 | #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM | ||
1807 | static const AVOption options[] = { | ||
1808 | { "format", "Codec Format", OFFSET(format), AV_OPT_TYPE_INT, { .i64 = CODEC_JP2 }, CODEC_J2K, CODEC_JP2, VE, "format" }, | ||
1809 | { "j2k", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_J2K }, 0, 0, VE, "format" }, | ||
1810 | { "jp2", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = CODEC_JP2 }, 0, 0, VE, "format" }, | ||
1811 | { "tile_width", "Tile Width", OFFSET(tile_width), AV_OPT_TYPE_INT, { .i64 = 256 }, 1, 1<<30, VE, }, | ||
1812 | { "tile_height", "Tile Height", OFFSET(tile_height), AV_OPT_TYPE_INT, { .i64 = 256 }, 1, 1<<30, VE, }, | ||
1813 | { "pred", "DWT Type", OFFSET(pred), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, "pred" }, | ||
1814 | { "dwt97int", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "pred" }, | ||
1815 | { "dwt53", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "pred" }, | ||
1816 | { "sop", "SOP marker", OFFSET(sop), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, }, | ||
1817 | { "eph", "EPH marker", OFFSET(eph), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE, }, | ||
1818 | { "prog", "Progression Order", OFFSET(prog), AV_OPT_TYPE_INT, { .i64 = 0 }, JPEG2000_PGOD_LRCP, JPEG2000_PGOD_CPRL, VE, "prog" }, | ||
1819 | { "lrcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_LRCP }, 0, 0, VE, "prog" }, | ||
1820 | { "rlcp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_RLCP }, 0, 0, VE, "prog" }, | ||
1821 | { "rpcl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_RPCL }, 0, 0, VE, "prog" }, | ||
1822 | { "pcrl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_PCRL }, 0, 0, VE, "prog" }, | ||
1823 | { "cprl", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = JPEG2000_PGOD_CPRL }, 0, 0, VE, "prog" }, | ||
1824 | { "layer_rates", "Layer Rates", OFFSET(lr_str), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VE }, | ||
1825 | { NULL } | ||
1826 | }; | ||
1827 | |||
1828 | static const AVClass j2k_class = { | ||
1829 | .class_name = "jpeg 2000 encoder", | ||
1830 | .item_name = av_default_item_name, | ||
1831 | .option = options, | ||
1832 | .version = LIBAVUTIL_VERSION_INT, | ||
1833 | }; | ||
1834 | |||
1835 | const FFCodec ff_jpeg2000_encoder = { | ||
1836 | .p.name = "jpeg2000", | ||
1837 | CODEC_LONG_NAME("JPEG 2000"), | ||
1838 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
1839 | .p.id = AV_CODEC_ID_JPEG2000, | ||
1840 | .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE | | ||
1841 | AV_CODEC_CAP_FRAME_THREADS, | ||
1842 | .priv_data_size = sizeof(Jpeg2000EncoderContext), | ||
1843 | .init = j2kenc_init, | ||
1844 | FF_CODEC_ENCODE_CB(encode_frame), | ||
1845 | .close = j2kenc_destroy, | ||
1846 | .p.pix_fmts = (const enum AVPixelFormat[]) { | ||
1847 | AV_PIX_FMT_RGB24, AV_PIX_FMT_RGB48, | ||
1848 | AV_PIX_FMT_GBR24P,AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16, | ||
1849 | AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16, | ||
1850 | AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV420P16, | ||
1851 | AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV422P16, | ||
1852 | AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV444P16, | ||
1853 | AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV440P10, AV_PIX_FMT_YUV440P12, | ||
1854 | AV_PIX_FMT_YUV411P, | ||
1855 | AV_PIX_FMT_YUV410P, | ||
1856 | AV_PIX_FMT_YA8, AV_PIX_FMT_YA16, | ||
1857 | AV_PIX_FMT_RGBA, AV_PIX_FMT_RGBA64, | ||
1858 | AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16, | ||
1859 | AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16, | ||
1860 | AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P16, | ||
1861 | AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P16, | ||
1862 | |||
1863 | AV_PIX_FMT_PAL8, | ||
1864 | AV_PIX_FMT_NONE | ||
1865 | }, | ||
1866 | .p.priv_class = &j2k_class, | ||
1867 | .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, | ||
1868 | }; | ||
1869 |