Mercurial > hg > forks > libbpg
annotate bpgenc.c @ 22:69089d946a14
Set a dummy libtiff warning handler to silence useless warnings about
unknown fields.
author | Matti Hamalainen <ccr@tnsp.org> |
---|---|
date | Thu, 27 Apr 2017 12:16:41 +0300 |
parents | a9a60da06ae3 |
children | 377dc78a052d |
rev | line source |
---|---|
0 | 1 /* |
2 * BPG encoder | |
3 * | |
4 * Copyright (c) 2014 Fabrice Bellard | |
5 * | |
6 * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 * of this software and associated documentation files (the "Software"), to deal | |
8 * in the Software without restriction, including without limitation the rights | |
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 * copies of the Software, and to permit persons to whom the Software is | |
11 * furnished to do so, subject to the following conditions: | |
12 * | |
13 * The above copyright notice and this permission notice shall be included in | |
14 * all copies or substantial portions of the Software. | |
15 * | |
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 * THE SOFTWARE. | |
23 */ | |
24 #include <stdlib.h> | |
25 #include <stdio.h> | |
26 #include <string.h> | |
27 #include <inttypes.h> | |
28 #include <getopt.h> | |
29 #include <math.h> | |
30 #include <assert.h> | |
31 | |
32 #include <png.h> | |
33 #include <jpeglib.h> | |
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34 #include <tiffio.h> |
0 | 35 |
36 #include "bpgenc.h" | |
37 | |
38 typedef uint16_t PIXEL; | |
39 | |
40 static void put_ue(uint8_t **pp, uint32_t v); | |
41 | |
42 static inline int clamp_pix(int a, int pixel_max) | |
43 { | |
44 if (a < 0) | |
45 return 0; | |
46 else if (a > pixel_max) | |
47 return pixel_max; | |
48 else | |
49 return a; | |
50 } | |
51 | |
52 static inline int sub_mod_int(int a, int b, int m) | |
53 { | |
54 a -= b; | |
55 if (a < 0) | |
56 a += m; | |
57 return a; | |
58 } | |
59 | |
60 static inline int add_mod_int(int a, int b, int m) | |
61 { | |
62 a += b; | |
63 if (a >= m) | |
64 a -= m; | |
65 return a; | |
66 } | |
67 | |
68 typedef struct { | |
69 int c_shift; | |
70 int c_rnd; | |
71 int c_0_25, c_0_5, c_one; | |
72 int rgb_to_ycc[3 * 3]; | |
73 int y_one; | |
74 int y_offset; | |
75 int bit_depth; | |
76 int pixel_max; | |
77 int c_center; | |
78 } ColorConvertState; | |
79 | |
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80 static void convert_init(ColorConvertState *s, int in_bit_depth, |
0 | 81 int out_bit_depth, BPGColorSpaceEnum color_space, |
82 int limited_range) | |
83 { | |
84 double k_r, k_b, mult, mult_y, mult_c; | |
85 int in_pixel_max, out_pixel_max, c_shift, i; | |
86 double rgb_to_ycc[3 * 3]; | |
87 | |
88 /* XXX: could use one more bit */ | |
89 c_shift = 31 - out_bit_depth; | |
90 in_pixel_max = (1 << in_bit_depth) - 1; | |
91 out_pixel_max = (1 << out_bit_depth) - 1; | |
92 mult = (double)out_pixel_max * (1 << c_shift) / (double)in_pixel_max; | |
93 // printf("mult=%f c_shift=%d\n", mult, c_shift); | |
94 if (limited_range) { | |
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95 mult_y = (double)(219 << (out_bit_depth - 8)) * (1 << c_shift) / |
0 | 96 (double)in_pixel_max; |
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97 mult_c = (double)(224 << (out_bit_depth - 8)) * (1 << c_shift) / |
0 | 98 (double)in_pixel_max; |
99 } else { | |
100 mult_y = mult; | |
101 mult_c = mult; | |
102 } | |
103 switch(color_space) { | |
104 case BPG_CS_YCbCr: | |
105 k_r = 0.299; | |
106 k_b = 0.114; | |
107 goto convert_ycc; | |
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108 |
0 | 109 case BPG_CS_YCbCr_BT709: |
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110 k_r = 0.2126; |
0 | 111 k_b = 0.0722; |
112 goto convert_ycc; | |
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113 |
0 | 114 case BPG_CS_YCbCr_BT2020: |
115 k_r = 0.2627; | |
116 k_b = 0.0593; | |
117 convert_ycc: | |
118 rgb_to_ycc[0] = k_r; | |
119 rgb_to_ycc[1] = 1 - k_r - k_b; | |
120 rgb_to_ycc[2] = k_b; | |
121 rgb_to_ycc[3] = -0.5 * k_r / (1 - k_b); | |
122 rgb_to_ycc[4] = -0.5 * (1 - k_r - k_b) / (1 - k_b); | |
123 rgb_to_ycc[5] = 0.5; | |
124 rgb_to_ycc[6] = 0.5; | |
125 rgb_to_ycc[7] = -0.5 * (1 - k_r - k_b) / (1 - k_r); | |
126 rgb_to_ycc[8] = -0.5 * k_b / (1 - k_r); | |
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127 |
0 | 128 for(i = 0; i < 3; i++) |
129 s->rgb_to_ycc[i] = lrint(rgb_to_ycc[i] * mult_y); | |
130 for(i = 3; i < 9; i++) | |
131 s->rgb_to_ycc[i] = lrint(rgb_to_ycc[i] * mult_c); | |
132 break; | |
133 case BPG_CS_YCgCo: | |
134 s->c_0_25 = lrint(0.25 * mult_y); | |
135 s->c_0_5 = lrint(0.5 * mult_y); | |
136 break; | |
137 default: | |
138 break; | |
139 } | |
140 | |
141 s->c_one = lrint(mult); | |
142 s->c_shift = c_shift; | |
143 s->c_rnd = (1 << (c_shift - 1)); | |
144 if (limited_range) { | |
145 s->y_offset = s->c_rnd + (16 << (c_shift + out_bit_depth - 8)); | |
146 s->y_one = lrint(mult_y); | |
147 } else { | |
148 s->y_offset = s->c_rnd; | |
149 s->y_one = s->c_one; | |
150 } | |
151 | |
152 s->bit_depth = out_bit_depth; | |
153 s->c_center = 1 << (out_bit_depth - 1); | |
154 s->pixel_max = out_pixel_max; | |
155 } | |
156 | |
157 /* 8 bit input */ | |
158 static void rgb24_to_ycc(ColorConvertState *s, | |
159 PIXEL *y_ptr, PIXEL *cb_ptr, PIXEL *cr_ptr, | |
160 const void *src1, int n, int incr) | |
161 { | |
162 const uint8_t *src = src1; | |
163 int i, r, g, b, c0, c1, c2, c3, c4, c5, c6, c7, c8, shift, rnd, center; | |
164 int pixel_max, y_offset; | |
165 | |
166 c0 = s->rgb_to_ycc[0]; | |
167 c1 = s->rgb_to_ycc[1]; | |
168 c2 = s->rgb_to_ycc[2]; | |
169 c3 = s->rgb_to_ycc[3]; | |
170 c4 = s->rgb_to_ycc[4]; | |
171 c5 = s->rgb_to_ycc[5]; | |
172 c6 = s->rgb_to_ycc[6]; | |
173 c7 = s->rgb_to_ycc[7]; | |
174 c8 = s->rgb_to_ycc[8]; | |
175 shift = s->c_shift; | |
176 rnd = s->c_rnd; | |
177 y_offset = s->y_offset; | |
178 center = s->c_center; | |
179 pixel_max = s->pixel_max; | |
180 for(i = 0; i < n; i++) { | |
181 r = src[0]; | |
182 g = src[1]; | |
183 b = src[2]; | |
184 y_ptr[i] = clamp_pix((c0 * r + c1 * g + c2 * b + | |
185 y_offset) >> shift, pixel_max); | |
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186 cb_ptr[i] = clamp_pix(((c3 * r + c4 * g + c5 * b + |
0 | 187 rnd) >> shift) + center, pixel_max); |
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188 cr_ptr[i] = clamp_pix(((c6 * r + c7 * g + c8 * b + |
0 | 189 rnd) >> shift) + center, pixel_max); |
190 src += incr; | |
191 } | |
192 } | |
193 | |
194 static void rgb24_to_rgb(ColorConvertState *s, | |
195 PIXEL *y_ptr, PIXEL *cb_ptr, PIXEL *cr_ptr, | |
196 const void *src1, int n, int incr) | |
197 { | |
198 const uint8_t *src = src1; | |
199 int i, r, g, b, c, shift, rnd; | |
200 | |
201 c = s->y_one; | |
202 shift = s->c_shift; | |
203 rnd = s->y_offset; | |
204 for(i = 0; i < n; i++) { | |
205 r = src[0]; | |
206 g = src[1]; | |
207 b = src[2]; | |
208 y_ptr[i] = (c * g + rnd) >> shift; | |
209 cb_ptr[i] = (c * b + rnd) >> shift; | |
210 cr_ptr[i] = (c * r + rnd) >> shift; | |
211 src += incr; | |
212 } | |
213 } | |
214 | |
215 static void rgb24_to_ycgco(ColorConvertState *s, | |
216 PIXEL *y_ptr, PIXEL *cb_ptr, PIXEL *cr_ptr, | |
217 const void *src1, int n, int incr) | |
218 { | |
219 const uint8_t *src = src1; | |
220 int i, r, g, b, t1, t2, pixel_max, c_0_5, c_0_25, rnd, shift, center; | |
221 int y_offset; | |
222 | |
223 c_0_25 = s->c_0_25; | |
224 c_0_5 = s->c_0_5; | |
225 rnd = s->c_rnd; | |
226 shift = s->c_shift; | |
227 pixel_max = s->pixel_max; | |
228 center = s->c_center; | |
229 y_offset = s->y_offset; | |
230 for(i = 0; i < n; i++) { | |
231 r = src[0]; | |
232 g = src[1]; | |
233 b = src[2]; | |
234 t1 = c_0_5 * g; | |
235 t2 = c_0_25 * (r + b); | |
236 y_ptr[i] = clamp_pix((t1 + t2 + y_offset) >> shift, pixel_max); | |
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237 cb_ptr[i] = clamp_pix(((t1 - t2 + rnd) >> shift) + center, |
0 | 238 pixel_max); |
239 cr_ptr[i] = clamp_pix(((c_0_5 * (r - b) + | |
240 rnd) >> shift) + center, pixel_max); | |
241 src += incr; | |
242 } | |
243 } | |
244 | |
245 /* Note: used for alpha/W so no limited range */ | |
246 static void gray8_to_gray(ColorConvertState *s, | |
247 PIXEL *y_ptr, const uint8_t *src, int n, int incr) | |
248 { | |
249 int i, g, c, shift, rnd; | |
250 | |
251 c = s->c_one; | |
252 shift = s->c_shift; | |
253 rnd = s->c_rnd; | |
254 for(i = 0; i < n; i++) { | |
255 g = src[0]; | |
256 y_ptr[i] = (c * g + rnd) >> shift; | |
257 src += incr; | |
258 } | |
259 } | |
260 | |
261 static void luma8_to_gray(ColorConvertState *s, | |
262 PIXEL *y_ptr, const uint8_t *src, int n, int incr) | |
263 { | |
264 int i, g, c, shift, rnd; | |
265 | |
266 c = s->y_one; | |
267 shift = s->c_shift; | |
268 rnd = s->y_offset; | |
269 for(i = 0; i < n; i++) { | |
270 g = src[0]; | |
271 y_ptr[i] = (c * g + rnd) >> shift; | |
272 src += incr; | |
273 } | |
274 } | |
275 | |
276 /* 16 bit input */ | |
277 | |
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278 static void rgb48_to_ycc(ColorConvertState *s, |
0 | 279 PIXEL *y_ptr, PIXEL *cb_ptr, PIXEL *cr_ptr, |
280 const void *src1, int n, int incr) | |
281 { | |
282 const uint16_t *src = src1; | |
283 int i, r, g, b, c0, c1, c2, c3, c4, c5, c6, c7, c8, shift, rnd, center; | |
284 int pixel_max, y_offset; | |
285 | |
286 c0 = s->rgb_to_ycc[0]; | |
287 c1 = s->rgb_to_ycc[1]; | |
288 c2 = s->rgb_to_ycc[2]; | |
289 c3 = s->rgb_to_ycc[3]; | |
290 c4 = s->rgb_to_ycc[4]; | |
291 c5 = s->rgb_to_ycc[5]; | |
292 c6 = s->rgb_to_ycc[6]; | |
293 c7 = s->rgb_to_ycc[7]; | |
294 c8 = s->rgb_to_ycc[8]; | |
295 shift = s->c_shift; | |
296 rnd = s->c_rnd; | |
297 y_offset = s->y_offset; | |
298 center = s->c_center; | |
299 pixel_max = s->pixel_max; | |
300 for(i = 0; i < n; i++) { | |
301 r = src[0]; | |
302 g = src[1]; | |
303 b = src[2]; | |
304 y_ptr[i] = clamp_pix((c0 * r + c1 * g + c2 * b + | |
305 y_offset) >> shift, pixel_max); | |
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306 cb_ptr[i] = clamp_pix(((c3 * r + c4 * g + c5 * b + |
0 | 307 rnd) >> shift) + center, pixel_max); |
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308 cr_ptr[i] = clamp_pix(((c6 * r + c7 * g + c8 * b + |
0 | 309 rnd) >> shift) + center, pixel_max); |
310 src += incr; | |
311 } | |
312 } | |
313 | |
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314 static void rgb48_to_ycgco(ColorConvertState *s, |
0 | 315 PIXEL *y_ptr, PIXEL *cb_ptr, PIXEL *cr_ptr, |
316 const void *src1, int n, int incr) | |
317 { | |
318 const uint16_t *src = src1; | |
319 int i, r, g, b, t1, t2, pixel_max, c_0_5, c_0_25, rnd, shift, center; | |
320 int y_offset; | |
321 | |
322 c_0_25 = s->c_0_25; | |
323 c_0_5 = s->c_0_5; | |
324 rnd = s->c_rnd; | |
325 y_offset = s->y_offset; | |
326 shift = s->c_shift; | |
327 pixel_max = s->pixel_max; | |
328 center = s->c_center; | |
329 for(i = 0; i < n; i++) { | |
330 r = src[0]; | |
331 g = src[1]; | |
332 b = src[2]; | |
333 t1 = c_0_5 * g; | |
334 t2 = c_0_25 * (r + b); | |
335 y_ptr[i] = clamp_pix((t1 + t2 + y_offset) >> shift, pixel_max); | |
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336 cb_ptr[i] = clamp_pix(((t1 - t2 + rnd) >> shift) + center, |
0 | 337 pixel_max); |
338 cr_ptr[i] = clamp_pix(((c_0_5 * (r - b) + | |
339 rnd) >> shift) + center, pixel_max); | |
340 src += incr; | |
341 } | |
342 } | |
343 | |
344 /* Note: use for alpha/W so no limited range */ | |
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345 static void gray16_to_gray(ColorConvertState *s, |
0 | 346 PIXEL *y_ptr, const uint16_t *src, int n, int incr) |
347 { | |
348 int i, g, c, shift, rnd; | |
349 | |
350 c = s->c_one; | |
351 shift = s->c_shift; | |
352 rnd = s->c_rnd; | |
353 for(i = 0; i < n; i++) { | |
354 g = src[0]; | |
355 y_ptr[i] = (c * g + rnd) >> shift; | |
356 src += incr; | |
357 } | |
358 } | |
359 | |
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360 static void luma16_to_gray(ColorConvertState *s, |
0 | 361 PIXEL *y_ptr, const uint16_t *src, int n, int incr) |
362 { | |
363 int i, g, c, shift, rnd; | |
364 | |
365 c = s->y_one; | |
366 shift = s->c_shift; | |
367 rnd = s->y_offset; | |
368 for(i = 0; i < n; i++) { | |
369 g = src[0]; | |
370 y_ptr[i] = (c * g + rnd) >> shift; | |
371 src += incr; | |
372 } | |
373 } | |
374 | |
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375 static void rgb48_to_rgb(ColorConvertState *s, |
0 | 376 PIXEL *y_ptr, PIXEL *cb_ptr, PIXEL *cr_ptr, |
377 const void *src1, int n, int incr) | |
378 { | |
379 const uint16_t *src = src1; | |
380 | |
381 luma16_to_gray(s, y_ptr, src + 1, n, incr); | |
382 luma16_to_gray(s, cb_ptr, src + 2, n, incr); | |
383 luma16_to_gray(s, cr_ptr, src + 0, n, incr); | |
384 } | |
385 | |
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386 typedef void RGBConvertFunc(ColorConvertState *s, |
0 | 387 PIXEL *y_ptr, PIXEL *cb_ptr, PIXEL *cr_ptr, |
388 const void *src, int n, int incr); | |
389 | |
390 static RGBConvertFunc *rgb_to_cs[2][BPG_CS_COUNT] = { | |
391 { | |
392 rgb24_to_ycc, | |
393 rgb24_to_rgb, | |
394 rgb24_to_ycgco, | |
395 rgb24_to_ycc, | |
396 rgb24_to_ycc, | |
397 }, | |
398 { | |
399 rgb48_to_ycc, | |
400 rgb48_to_rgb, | |
401 rgb48_to_ycgco, | |
402 rgb48_to_ycc, | |
403 rgb48_to_ycc, | |
404 } | |
405 }; | |
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406 |
0 | 407 /* val = 1.0 - val */ |
408 static void gray_one_minus(ColorConvertState *s, PIXEL *y_ptr, int n) | |
409 { | |
410 int pixel_max = s->pixel_max; | |
411 int i; | |
412 | |
413 for(i = 0; i < n; i++) { | |
414 y_ptr[i] = pixel_max - y_ptr[i]; | |
415 } | |
416 } | |
417 | |
418 /* val = -val for chroma */ | |
419 static void gray_neg_c(ColorConvertState *s, PIXEL *y_ptr, int n) | |
420 { | |
421 int pixel_max = s->pixel_max; | |
422 int i, v; | |
423 | |
424 for(i = 0; i < n; i++) { | |
425 v = y_ptr[i]; | |
426 if (v == 0) | |
427 v = pixel_max; | |
428 else | |
429 v = pixel_max + 1 - v; | |
430 y_ptr[i] = v; | |
431 } | |
432 } | |
433 | |
434 | |
435 /* decimation */ | |
436 | |
437 /* phase = 0 */ | |
438 #define DP0TAPS2 7 | |
439 #define DP0TAPS (2 * DP0TAPS + 1) | |
440 #define DP0C0 64 | |
441 #define DP0C1 40 | |
442 #define DP0C3 (-11) | |
443 #define DP0C5 4 | |
444 #define DP0C7 (-1) | |
445 | |
446 /* phase = 0.5 */ | |
447 #define DP1TAPS2 5 | |
448 #define DP1TAPS (2 * DP1TAPS2) | |
449 #define DP1C0 57 | |
450 #define DP1C1 17 | |
451 #define DP1C2 (-8) | |
452 #define DP1C3 (-4) | |
453 #define DP1C4 2 | |
454 | |
455 #define DTAPS_MAX 7 | |
456 | |
457 /* chroma aligned with luma samples */ | |
458 static void decimate2p0_simple(PIXEL *dst, PIXEL *src, int n, int bit_depth) | |
459 { | |
460 int n2, i, pixel_max; | |
461 pixel_max = (1 << bit_depth) - 1; | |
462 n2 = (n + 1) / 2; | |
463 for(i = 0; i < n2; i++) { | |
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464 dst[i] = clamp_pix(((src[-7] + src[7]) * DP0C7 + |
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465 (src[-5] + src[5]) * DP0C5 + |
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466 (src[-3] + src[3]) * DP0C3 + |
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467 (src[-1] + src[1]) * DP0C1 + |
0 | 468 src[0] * DP0C0 + 64) >> 7, pixel_max); |
469 src += 2; | |
470 } | |
471 } | |
472 | |
473 /* same with more precision and no saturation */ | |
474 static void decimate2p0_simple16(int16_t *dst, PIXEL *src, int n, int bit_depth) | |
475 { | |
476 int n2, i, shift, rnd; | |
477 shift = bit_depth - 7; | |
478 rnd = 1 << (shift - 1); | |
479 n2 = (n + 1) / 2; | |
480 for(i = 0; i < n2; i++) { | |
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481 dst[i] = ((src[-7] + src[7]) * DP0C7 + |
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482 (src[-5] + src[5]) * DP0C5 + |
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483 (src[-3] + src[3]) * DP0C3 + |
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484 (src[-1] + src[1]) * DP0C1 + |
0 | 485 src[0] * DP0C0 + rnd) >> shift; |
486 src += 2; | |
487 } | |
488 } | |
489 | |
490 | |
491 /* chroma half way between luma samples */ | |
492 static void decimate2p1_simple(PIXEL *dst, PIXEL *src, int n, int bit_depth) | |
493 { | |
494 int n2, i, pixel_max; | |
495 pixel_max = (1 << bit_depth) - 1; | |
496 n2 = (n + 1) / 2; | |
497 for(i = 0; i < n2; i++) { | |
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498 dst[i] = clamp_pix(((src[-4] + src[5]) * DP1C4 + |
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499 (src[-3] + src[4]) * DP1C3 + |
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500 (src[-2] + src[3]) * DP1C2 + |
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501 (src[-1] + src[2]) * DP1C1 + |
0 | 502 (src[0] + src[1]) * DP1C0 + 64) >> 7, pixel_max); |
503 src += 2; | |
504 } | |
505 } | |
506 | |
507 /* same with more precision and no saturation */ | |
508 static void decimate2p1_simple16(int16_t *dst, PIXEL *src, int n, int bit_depth) | |
509 { | |
510 int n2, i, shift, rnd; | |
511 shift = bit_depth - 7; | |
512 rnd = 1 << (shift - 1); | |
513 n2 = (n + 1) / 2; | |
514 for(i = 0; i < n2; i++) { | |
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515 dst[i] = ((src[-4] + src[5]) * DP1C4 + |
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516 (src[-3] + src[4]) * DP1C3 + |
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517 (src[-2] + src[3]) * DP1C2 + |
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518 (src[-1] + src[2]) * DP1C1 + |
0 | 519 (src[0] + src[1]) * DP1C0 + rnd) >> shift; |
520 src += 2; | |
521 } | |
522 } | |
523 | |
524 static void decimate2_h(PIXEL *dst, PIXEL *src, int n, int bit_depth, int phase) | |
525 { | |
526 PIXEL *src1, v; | |
527 int d, i; | |
528 | |
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529 if (phase == 0) |
0 | 530 d = DP0TAPS2; |
531 else | |
532 d = DP1TAPS2; | |
533 /* add edge pixels */ | |
534 src1 = malloc(sizeof(PIXEL) * (n + 2 * d)); | |
535 v = src[0]; | |
536 for(i = 0; i < d; i++) | |
537 src1[i] = v; | |
538 memcpy(src1 + d, src, n * sizeof(PIXEL)); | |
539 v = src[n - 1]; | |
540 for(i = 0; i < d; i++) | |
541 src1[d + n + i] = v; | |
542 if (phase == 0) | |
543 decimate2p0_simple(dst, src1 + d, n, bit_depth); | |
544 else | |
545 decimate2p1_simple(dst, src1 + d, n, bit_depth); | |
546 free(src1); | |
547 } | |
548 | |
549 /* src1 is a temporary buffer of length n + 2 * DTAPS */ | |
550 static void decimate2_h16(int16_t *dst, PIXEL *src, int n, PIXEL *src1, | |
551 int bit_depth, int phase) | |
552 { | |
553 PIXEL v; | |
554 int d, i; | |
555 | |
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556 if (phase == 0) |
0 | 557 d = DP0TAPS2; |
558 else | |
559 d = DP1TAPS2; | |
560 /* add edge pixels */ | |
561 v = src[0]; | |
562 for(i = 0; i < d; i++) | |
563 src1[i] = v; | |
564 memcpy(src1 + d, src, n * sizeof(PIXEL)); | |
565 v = src[n - 1]; | |
566 for(i = 0; i < d; i++) | |
567 src1[d + n + i] = v; | |
568 if (phase == 0) | |
569 decimate2p0_simple16(dst, src1 + d, n, bit_depth); | |
570 else | |
571 decimate2p1_simple16(dst, src1 + d, n, bit_depth); | |
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572 |
0 | 573 } |
574 | |
575 static void decimate2_v(PIXEL *dst, int16_t **src, int pos, int n, | |
576 int bit_depth) | |
577 { | |
578 int16_t *src0, *src1, *src2, *src3, *src4, *src5, *srcm1, *srcm2, *srcm3, *srcm4; | |
579 int i, shift, offset, pixel_max; | |
580 | |
581 pos = sub_mod_int(pos, 4, DP1TAPS); | |
582 srcm4 = src[pos]; | |
583 pos = add_mod_int(pos, 1, DP1TAPS); | |
584 srcm3 = src[pos]; | |
585 pos = add_mod_int(pos, 1, DP1TAPS); | |
586 srcm2 = src[pos]; | |
587 pos = add_mod_int(pos, 1, DP1TAPS); | |
588 srcm1 = src[pos]; | |
589 pos = add_mod_int(pos, 1, DP1TAPS); | |
590 src0 = src[pos]; | |
591 pos = add_mod_int(pos, 1, DP1TAPS); | |
592 src1 = src[pos]; | |
593 pos = add_mod_int(pos, 1, DP1TAPS); | |
594 src2 = src[pos]; | |
595 pos = add_mod_int(pos, 1, DP1TAPS); | |
596 src3 = src[pos]; | |
597 pos = add_mod_int(pos, 1, DP1TAPS); | |
598 src4 = src[pos]; | |
599 pos = add_mod_int(pos, 1, DP1TAPS); | |
600 src5 = src[pos]; | |
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601 |
0 | 602 shift = 21 - bit_depth; |
603 offset = 1 << (shift - 1); | |
604 pixel_max = (1 << bit_depth) - 1; | |
605 for(i = 0; i < n; i++) { | |
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606 dst[i] = clamp_pix(((srcm4[i] + src5[i]) * DP1C4 + |
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607 (srcm3[i] + src4[i]) * DP1C3 + |
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608 (srcm2[i] + src3[i]) * DP1C2 + |
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609 (srcm1[i] + src2[i]) * DP1C1 + |
0 | 610 (src0[i] + src1[i]) * DP1C0 + offset) >> shift, pixel_max); |
611 } | |
612 } | |
613 | |
614 /* Note: we do the horizontal decimation first to use less CPU cache */ | |
615 static void decimate2_hv(uint8_t *dst, int dst_linesize, | |
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616 uint8_t *src, int src_linesize, |
0 | 617 int w, int h, int bit_depth, int h_phase) |
618 { | |
619 PIXEL *buf1; | |
620 int16_t *buf2[DP1TAPS]; | |
621 int w2, pos, i, y, y1, y2; | |
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622 |
0 | 623 w2 = (w + 1) / 2; |
624 | |
625 buf1 = malloc(sizeof(PIXEL) * (w + 2 * DTAPS_MAX)); | |
626 /* init line buffer */ | |
627 for(i = 0; i < DP1TAPS; i++) { | |
628 buf2[i] = malloc(sizeof(int16_t) * w2); | |
629 y = i; | |
630 if (y > DP1TAPS2) | |
631 y -= DP1TAPS; | |
632 if (y < 0) { | |
633 /* copy from first line */ | |
634 memcpy(buf2[i], buf2[0], sizeof(int16_t) * w2); | |
635 } else if (y >= h) { | |
636 /* copy from last line (only happens for small height) */ | |
637 memcpy(buf2[i], buf2[h - 1], sizeof(int16_t) * w2); | |
638 } else { | |
639 decimate2_h16(buf2[i], (PIXEL *)(src + src_linesize * y), w, | |
640 buf1, bit_depth, h_phase); | |
641 } | |
642 } | |
643 | |
644 for(y = 0; y < h; y++) { | |
645 pos = y % DP1TAPS; | |
646 if ((y & 1) == 0) { | |
647 /* filter one line */ | |
648 y2 = y >> 1; | |
649 decimate2_v((PIXEL *)(dst + y2 * dst_linesize), buf2, | |
650 pos, w2, bit_depth); | |
651 } | |
652 /* add a new line in the buffer */ | |
653 y1 = y + DP1TAPS2 + 1; | |
654 pos = add_mod_int(pos, DP1TAPS2 + 1, DP1TAPS); | |
655 if (y1 >= h) { | |
656 /* copy last line */ | |
657 memcpy(buf2[pos], buf2[sub_mod_int(pos, 1, DP1TAPS)], | |
658 sizeof(int16_t) * w2); | |
659 } else { | |
660 /* horizontally decimate new line */ | |
661 decimate2_h16(buf2[pos], (PIXEL *)(src + src_linesize * y1), w, | |
662 buf1, bit_depth, h_phase); | |
663 } | |
664 } | |
665 | |
666 for(i = 0; i < DP1TAPS; i++) | |
667 free(buf2[i]); | |
668 free(buf1); | |
669 } | |
670 | |
671 static void get_plane_res(Image *img, int *pw, int *ph, int i) | |
672 { | |
673 if (img->format == BPG_FORMAT_420 && (i == 1 || i == 2)) { | |
674 *pw = (img->w + 1) / 2; | |
675 *ph = (img->h + 1) / 2; | |
676 } else if (img->format == BPG_FORMAT_422 && (i == 1 || i == 2)) { | |
677 *pw = (img->w + 1) / 2; | |
678 *ph = img->h; | |
679 } else { | |
680 *pw = img->w; | |
681 *ph = img->h; | |
682 } | |
683 } | |
684 | |
685 #define W_PAD 16 | |
686 | |
687 Image *image_alloc(int w, int h, BPGImageFormatEnum format, int has_alpha, | |
688 BPGColorSpaceEnum color_space, int bit_depth) | |
689 { | |
690 Image *img; | |
691 int i, linesize, w1, h1, c_count; | |
692 | |
693 img = malloc(sizeof(Image)); | |
694 memset(img, 0, sizeof(*img)); | |
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695 |
0 | 696 img->w = w; |
697 img->h = h; | |
698 img->format = format; | |
699 img->has_alpha = has_alpha; | |
700 img->bit_depth = bit_depth; | |
701 img->color_space = color_space; | |
702 img->pixel_shift = 1; | |
703 img->c_h_phase = 1; | |
704 | |
705 if (img->format == BPG_FORMAT_GRAY) | |
706 c_count = 1; | |
707 else | |
708 c_count = 3; | |
709 if (has_alpha) | |
710 c_count++; | |
711 for(i = 0; i < c_count; i++) { | |
712 get_plane_res(img, &w1, &h1, i); | |
713 /* multiple of 16 pixels to add borders */ | |
714 w1 = (w1 + (W_PAD - 1)) & ~(W_PAD - 1); | |
715 h1 = (h1 + (W_PAD - 1)) & ~(W_PAD - 1); | |
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716 |
0 | 717 linesize = w1 << img->pixel_shift; |
718 img->data[i] = malloc(linesize * h1); | |
719 img->linesize[i] = linesize; | |
720 } | |
721 return img; | |
722 } | |
723 | |
724 void image_free(Image *img) | |
725 { | |
726 int i, c_count; | |
727 if (img->format == BPG_FORMAT_GRAY) | |
728 c_count = 1; | |
729 else | |
730 c_count = 3; | |
731 if (img->has_alpha) | |
732 c_count++; | |
733 for(i = 0; i < c_count; i++) | |
734 free(img->data[i]); | |
735 free(img); | |
736 } | |
737 | |
738 int image_ycc444_to_ycc422(Image *img, int h_phase) | |
739 { | |
740 uint8_t *data1; | |
741 int w1, h1, bpp, linesize1, i, y; | |
742 | |
743 if (img->format != BPG_FORMAT_444 || img->pixel_shift != 1) | |
744 return -1; | |
745 bpp = 2; | |
746 w1 = (img->w + 1) / 2; | |
747 w1 = (w1 + (W_PAD - 1)) & ~(W_PAD - 1); | |
748 h1 = (img->h + (W_PAD - 1)) & ~(W_PAD - 1); | |
749 linesize1 = bpp * w1; | |
750 for(i = 1; i <= 2; i++) { | |
751 data1 = malloc(linesize1 * h1); | |
752 for(y = 0; y < img->h; y++) { | |
753 decimate2_h((PIXEL *)(data1 + y * linesize1), | |
754 (PIXEL *)(img->data[i] + y * img->linesize[i]), | |
755 img->w, img->bit_depth, h_phase); | |
756 } | |
757 free(img->data[i]); | |
758 img->data[i] = data1; | |
759 img->linesize[i] = linesize1; | |
760 } | |
761 img->format = BPG_FORMAT_422; | |
762 img->c_h_phase = h_phase; | |
763 return 0; | |
764 } | |
765 | |
766 int image_ycc444_to_ycc420(Image *img, int h_phase) | |
767 { | |
768 uint8_t *data1; | |
769 int w1, h1, bpp, linesize1, i; | |
770 | |
771 if (img->format != BPG_FORMAT_444 || img->pixel_shift != 1) | |
772 return -1; | |
773 bpp = 2; | |
774 w1 = (img->w + 1) / 2; | |
775 h1 = (img->h + 1) / 2; | |
776 w1 = (w1 + (W_PAD - 1)) & ~(W_PAD - 1); | |
777 h1 = (h1 + (W_PAD - 1)) & ~(W_PAD - 1); | |
778 linesize1 = bpp * w1; | |
779 for(i = 1; i <= 2; i++) { | |
780 data1 = malloc(linesize1 * h1); | |
781 decimate2_hv(data1, linesize1, | |
782 img->data[i], img->linesize[i], | |
783 img->w, img->h, img->bit_depth, h_phase); | |
784 free(img->data[i]); | |
785 img->data[i] = data1; | |
786 img->linesize[i] = linesize1; | |
787 } | |
788 img->format = BPG_FORMAT_420; | |
789 img->c_h_phase = h_phase; | |
790 return 0; | |
791 } | |
792 | |
793 /* duplicate right and bottom samples so that the image has a width | |
794 and height multiple of cb_size (power of two) */ | |
795 void image_pad(Image *img, int cb_size) | |
796 { | |
797 int w1, h1, x, y, c_count, c_w, c_h, c_w1, c_h1, h_shift, v_shift, c_idx; | |
798 PIXEL *ptr, v, *ptr1; | |
799 | |
800 assert(img->pixel_shift == 1); | |
801 if (cb_size <= 1) | |
802 return; | |
803 w1 = (img->w + cb_size - 1) & ~(cb_size - 1); | |
804 h1 = (img->h + cb_size - 1) & ~(cb_size - 1); | |
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805 |
0 | 806 if (img->format == BPG_FORMAT_GRAY) |
807 c_count = 1; | |
808 else | |
809 c_count = 3; | |
810 if (img->has_alpha) | |
811 c_count++; | |
812 for(c_idx = 0; c_idx < c_count; c_idx++) { | |
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813 if (img->format == BPG_FORMAT_420 && |
0 | 814 (c_idx == 1 || c_idx == 2)) { |
815 h_shift = 1; | |
816 v_shift = 1; | |
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817 } else if (img->format == BPG_FORMAT_422 && |
0 | 818 (c_idx == 1 || c_idx == 2)) { |
819 h_shift = 1; | |
820 v_shift = 0; | |
821 } else { | |
822 h_shift = 0; | |
823 v_shift = 0; | |
824 } | |
825 | |
826 c_w = (img->w + h_shift) >> h_shift; | |
827 c_h = (img->h + v_shift) >> v_shift; | |
828 c_w1 = w1 >> h_shift; | |
829 c_h1 = h1 >> v_shift; | |
830 | |
831 /* pad horizontally */ | |
832 for(y = 0; y < c_h; y++) { | |
833 ptr = (PIXEL *)(img->data[c_idx] + img->linesize[c_idx] * y); | |
834 v = ptr[c_w - 1]; | |
835 for(x = c_w; x < c_w1; x++) { | |
836 ptr[x] = v; | |
837 } | |
838 } | |
839 | |
840 /* pad vertically */ | |
841 ptr1 = (PIXEL *)(img->data[c_idx] + img->linesize[c_idx] * (c_h - 1)); | |
842 for(y = c_h; y < c_h1; y++) { | |
843 ptr = (PIXEL *)(img->data[c_idx] + img->linesize[c_idx] * y); | |
844 memcpy(ptr, ptr1, c_w1 * sizeof(PIXEL)); | |
845 } | |
846 } | |
847 img->w = w1; | |
848 img->h = h1; | |
849 } | |
850 | |
851 /* convert the 16 bit components to 8 bits */ | |
852 void image_convert16to8(Image *img) | |
853 { | |
854 int w, h, stride, y, x, c_count, i; | |
855 uint8_t *plane; | |
856 | |
857 if (img->bit_depth > 8 || img->pixel_shift != 1) | |
858 return; | |
859 if (img->format == BPG_FORMAT_GRAY) | |
860 c_count = 1; | |
861 else | |
862 c_count = 3; | |
863 if (img->has_alpha) | |
864 c_count++; | |
865 for(i = 0; i < c_count; i++) { | |
866 get_plane_res(img, &w, &h, i); | |
867 stride = w; | |
868 plane = malloc(stride * h); | |
869 for(y = 0; y < h; y++) { | |
870 const uint16_t *src; | |
871 uint8_t *dst; | |
872 dst = plane + stride * y; | |
873 src = (uint16_t *)(img->data[i] + img->linesize[i] * y); | |
874 for(x = 0; x < w; x++) | |
875 dst[x] = src[x]; | |
876 } | |
877 free(img->data[i]); | |
878 img->data[i] = plane; | |
879 img->linesize[i] = stride; | |
880 } | |
881 img->pixel_shift = 0; | |
882 } | |
883 | |
884 typedef struct BPGMetaData { | |
885 uint32_t tag; | |
886 uint8_t *buf; | |
887 int buf_len; | |
888 struct BPGMetaData *next; | |
889 } BPGMetaData; | |
890 | |
891 BPGMetaData *bpg_md_alloc(uint32_t tag) | |
892 { | |
893 BPGMetaData *md; | |
894 md = malloc(sizeof(BPGMetaData)); | |
895 memset(md, 0, sizeof(*md)); | |
896 md->tag = tag; | |
897 return md; | |
898 } | |
899 | |
900 void bpg_md_free(BPGMetaData *md) | |
901 { | |
902 BPGMetaData *md_next; | |
903 | |
904 while (md != NULL) { | |
905 md_next = md->next; | |
906 free(md->buf); | |
907 free(md); | |
908 md = md_next; | |
909 } | |
910 } | |
911 | |
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Matti Hamalainen <ccr@tnsp.org>
parents:
16
diff
changeset
|
912 void bpg_insert_md(BPGMetaData **list, BPGMetaData *node) |
9
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
913 { |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
914 if (*list == NULL) |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
915 { |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
916 *list = node; |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
917 node->next = NULL; |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
918 } |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
919 else |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
920 { |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
921 node->next = *list; |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
922 *list = node; |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
923 } |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
924 } |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
925 |
17
91f27e9fdb60
Rename insert_md() and add_md_contents() to bpg_insert_md() and
Matti Hamalainen <ccr@tnsp.org>
parents:
16
diff
changeset
|
926 int bpg_add_md_contents(BPGMetaData **list, const int tag, const size_t len, const void *buf) |
9
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
927 { |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
928 BPGMetaData *md; |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
929 |
19
a9a60da06ae3
Check for NULL buffer and 0 length of data in bpg_add_md_contents().
Matti Hamalainen <ccr@tnsp.org>
parents:
18
diff
changeset
|
930 if (buf == NULL || len == 0) |
a9a60da06ae3
Check for NULL buffer and 0 length of data in bpg_add_md_contents().
Matti Hamalainen <ccr@tnsp.org>
parents:
18
diff
changeset
|
931 return -2; |
a9a60da06ae3
Check for NULL buffer and 0 length of data in bpg_add_md_contents().
Matti Hamalainen <ccr@tnsp.org>
parents:
18
diff
changeset
|
932 |
9
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
933 if ((md = bpg_md_alloc(tag)) == NULL) |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
934 goto err; |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
935 |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
936 if ((md->buf = malloc(len)) == NULL) |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
937 goto err; |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
938 |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
939 md->buf_len = len; |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
940 memcpy(md->buf, buf, len); |
17
91f27e9fdb60
Rename insert_md() and add_md_contents() to bpg_insert_md() and
Matti Hamalainen <ccr@tnsp.org>
parents:
16
diff
changeset
|
941 bpg_insert_md(list, md); |
9
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
942 return 0; |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
943 |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
944 err: |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
945 bpg_md_free(md); |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
946 return -1; |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
947 } |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
948 |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
949 |
22
69089d946a14
Set a dummy libtiff warning handler to silence useless warnings about
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
950 void tiff_warning_handler(const char *module, const char *fmt, va_list ap) |
69089d946a14
Set a dummy libtiff warning handler to silence useless warnings about
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
951 { |
69089d946a14
Set a dummy libtiff warning handler to silence useless warnings about
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
952 (void) module; |
69089d946a14
Set a dummy libtiff warning handler to silence useless warnings about
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
953 (void) fmt; |
69089d946a14
Set a dummy libtiff warning handler to silence useless warnings about
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
954 (void) ap; |
69089d946a14
Set a dummy libtiff warning handler to silence useless warnings about
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
955 // ignore errors and warnings |
69089d946a14
Set a dummy libtiff warning handler to silence useless warnings about
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
956 } |
69089d946a14
Set a dummy libtiff warning handler to silence useless warnings about
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
957 |
69089d946a14
Set a dummy libtiff warning handler to silence useless warnings about
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
958 |
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
959 Image *read_tiff(BPGMetaData **pmd, const char *filename, |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
960 BPGColorSpaceEnum color_space, int out_bit_depth, |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
961 int limited_range, int premultiplied_alpha) |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
962 { |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
963 TIFF *tif; |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
964 Image *img = NULL; |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
965 BPGImageFormatEnum img_format; |
9
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
966 uint8_t *buf = NULL, *tmp_buf = NULL; |
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
967 uint32_t img_width, img_height, tmp_len; |
11
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
968 uint16_t img_depth, img_spp, img_pconfig, img_pmetric, |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
969 *buf2 = NULL, *img_colormap_r, *img_colormap_g, *img_colormap_b; |
14
b0b1d299aa5d
Don't use C99 style declarations here for no reason.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
970 int img_alpha, err_spp, offs, x, y, idx; |
b0b1d299aa5d
Don't use C99 style declarations here for no reason.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
971 size_t img_linesize; |
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
972 ColorConvertState cvt; |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
973 RGBConvertFunc *convert_func; |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
974 |
22
69089d946a14
Set a dummy libtiff warning handler to silence useless warnings about
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
975 // Set warning handler to silence dubious warnings about unknown fields |
69089d946a14
Set a dummy libtiff warning handler to silence useless warnings about
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
976 TIFFSetWarningHandler(tiff_warning_handler); |
69089d946a14
Set a dummy libtiff warning handler to silence useless warnings about
Matti Hamalainen <ccr@tnsp.org>
parents:
19
diff
changeset
|
977 |
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
978 // Open and read TIFF header etc. |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
979 if ((tif = TIFFOpen(filename, "rb")) == NULL) |
7 | 980 { |
981 fprintf(stderr, "Could not open TIFF image '%s'\n", filename); | |
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
982 return NULL; |
7 | 983 } |
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
984 |
7 | 985 if (!TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &img_width) || |
986 !TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &img_height) || | |
987 !TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &img_spp) || | |
988 !TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &img_depth)) | |
989 { | |
990 fprintf(stderr, "TIFF file lacks basic fields!\n"); | |
991 goto err; | |
992 } | |
993 | |
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
994 TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &img_pconfig); |
10
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
995 TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &img_pmetric); |
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
996 |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
997 // Check basics |
14
b0b1d299aa5d
Don't use C99 style declarations here for no reason.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
998 err_spp = 0; |
10
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
999 switch (img_pmetric) |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1000 { |
12
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1001 case PHOTOMETRIC_MINISBLACK: |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1002 img_format = BPG_FORMAT_GRAY; |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1003 color_space = BPG_CS_YCbCr; |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1004 if (img_spp != 1) |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1005 err_spp = 1; |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1006 break; |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1007 |
10
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1008 case PHOTOMETRIC_RGB: |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1009 img_format = BPG_FORMAT_444; |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1010 if (img_spp < 3) |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1011 err_spp = 1; |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1012 break; |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1013 |
11
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1014 case PHOTOMETRIC_PALETTE: |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1015 img_format = BPG_FORMAT_444; |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1016 if (img_spp != 1) |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1017 err_spp = 1; |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1018 |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1019 if (!TIFFGetField(tif, TIFFTAG_COLORMAP, &img_colormap_r, &img_colormap_g, &img_colormap_b)) |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1020 { |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1021 fprintf(stderr, "TIFF with palette is missing colormap entry!\n"); |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1022 goto err; |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1023 } |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1024 break; |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1025 |
10
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1026 default: |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1027 fprintf(stderr, "TIFF file has unsupported photometric interpretation %d!\n", img_pmetric); |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1028 goto err; |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1029 } |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1030 |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1031 if (err_spp) |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1032 { |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1033 fprintf(stderr, "TIFF file has unsupported samples per pixel %d for format %d.\n", img_spp, img_pmetric); |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1034 goto err; |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1035 } |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1036 |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1037 if (img_depth != 8 && img_depth != 16) |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1038 { |
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1039 fprintf(stderr, "TIFF file has unsupported depth %d (not 8 or 16)!\n", img_depth); |
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1040 goto err; |
10
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1041 } |
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1042 |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1043 img_linesize = TIFFScanlineSize(tif); |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1044 |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1045 if (img_spp > 3) |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1046 { |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1047 uint16_t img_esmp, *img_esmp_types; |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1048 |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1049 TIFFGetField(tif, TIFFTAG_EXTRASAMPLES, &img_esmp, &img_esmp_types); |
6
690bf78c1ce9
Initial implementation of alpha channel support for TIFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
1050 img_alpha = img_esmp == 1 && img_esmp_types[0] == EXTRASAMPLE_ASSOCALPHA; |
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1051 } |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1052 else |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1053 img_alpha = 0; |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1054 |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1055 // Allocate temporary image space |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1056 buf = (uint8_t *) _TIFFmalloc(img_linesize * img_spp); |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1057 if (buf == NULL) |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1058 goto err; |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1059 |
11
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1060 if (img_pmetric == PHOTOMETRIC_PALETTE) |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1061 { |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1062 // For indexed palette images we need a secondary RGB conversion buffer |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1063 buf2 = (uint16_t *) malloc(img_width * 3 * sizeof(uint16_t)); |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1064 if (buf2 == NULL) |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1065 goto err; |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1066 |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1067 // Force 16bit depth and samples per pixel 3 as the |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1068 // TIFF colormap/palette has 16bit R, G, B entries. |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1069 img_spp = 3; |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1070 img_depth = 16; |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1071 } |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1072 |
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1073 // Allocate target image |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1074 img = image_alloc(img_width, img_height, img_format, img_alpha, color_space, out_bit_depth); |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1075 if (img == NULL) |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1076 goto err; |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1077 |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1078 img->limited_range = limited_range; |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1079 img->premultiplied_alpha = premultiplied_alpha; |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1080 |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1081 convert_init(&cvt, img_depth, out_bit_depth, color_space, limited_range); |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1082 |
14
b0b1d299aa5d
Don't use C99 style declarations here for no reason.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1083 idx = img_depth == 16; |
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1084 convert_func = rgb_to_cs[idx][color_space]; |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1085 |
14
b0b1d299aa5d
Don't use C99 style declarations here for no reason.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1086 for (y = 0; y < img->h; y++) |
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1087 { |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1088 // Read TIFF image to raster |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1089 if (!TIFFReadScanline(tif, buf, y, 0)) |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1090 goto err; |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1091 |
11
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1092 // Convert the scanline data |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1093 switch (img_pmetric) |
6
690bf78c1ce9
Initial implementation of alpha channel support for TIFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
1094 { |
11
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1095 case PHOTOMETRIC_PALETTE: |
14
b0b1d299aa5d
Don't use C99 style declarations here for no reason.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1096 for (x = 0, offs = 0; x < img->w; x++) |
11
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1097 { |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1098 buf2[offs++] = img_colormap_r[buf[x]]; |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1099 buf2[offs++] = img_colormap_g[buf[x]]; |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1100 buf2[offs++] = img_colormap_b[buf[x]]; |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1101 } |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1102 convert_func(&cvt, |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1103 (PIXEL *)(img->data[0] + y * img->linesize[0]), |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1104 (PIXEL *)(img->data[1] + y * img->linesize[1]), |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1105 (PIXEL *)(img->data[2] + y * img->linesize[2]), |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1106 buf2, img->w, img_spp); |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1107 break; |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1108 |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1109 case PHOTOMETRIC_RGB: |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1110 convert_func(&cvt, |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1111 (PIXEL *)(img->data[0] + y * img->linesize[0]), |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1112 (PIXEL *)(img->data[1] + y * img->linesize[1]), |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1113 (PIXEL *)(img->data[2] + y * img->linesize[2]), |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1114 buf, img->w, img_spp); |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1115 |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1116 if (img_alpha) |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1117 { |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1118 if (idx) |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1119 { |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1120 gray16_to_gray(&cvt, |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1121 (PIXEL *)(img->data[3] + y * img->linesize[3]), |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1122 ((uint16_t *) buf) + 3, img->w, 4); |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1123 } |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1124 else |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1125 { |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1126 gray8_to_gray(&cvt, |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1127 (PIXEL *)(img->data[3] + y * img->linesize[3]), |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1128 ((uint8_t *) buf) + 3, img->w, 4); |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1129 } |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1130 } |
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1131 break; |
12
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1132 |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1133 case PHOTOMETRIC_MINISBLACK: |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1134 if (img_depth == 16) |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1135 { |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1136 luma16_to_gray(&cvt, |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1137 (PIXEL *)(img->data[0] + y * img->linesize[0]), |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1138 (uint16_t *) buf, img->w, img_spp); |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1139 |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1140 if (img_alpha) |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1141 { |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1142 gray16_to_gray(&cvt, |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1143 (PIXEL *)(img->data[1] + y * img->linesize[1]), |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1144 ((uint16_t *) buf) + 1, img->w, 2); |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1145 } |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1146 } |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1147 else |
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Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1148 { |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1149 luma8_to_gray(&cvt, |
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Implement support for one type of grayscale TIFF.
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11
diff
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|
1150 (PIXEL *)(img->data[0] + y * img->linesize[0]), |
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Implement support for one type of grayscale TIFF.
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11
diff
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|
1151 (uint8_t *) buf, img->w, img_spp); |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1152 |
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Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1153 if (img_alpha) |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1154 { |
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Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1155 gray8_to_gray(&cvt, |
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Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1156 (PIXEL *)(img->data[1] + y * img->linesize[1]), |
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Implement support for one type of grayscale TIFF.
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11
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|
1157 ((uint8_t *) buf) + 1, img->w, 2); |
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11
diff
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|
1158 } |
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11
diff
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|
1159 } |
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1160 break; |
6
690bf78c1ce9
Initial implementation of alpha channel support for TIFF images.
Matti Hamalainen <ccr@tnsp.org>
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5
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|
1161 } |
4
bbd61622856a
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|
1162 } |
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|
1163 |
9
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|
1164 // Get meta data |
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Implement some metadata support in TIFF and clean up meta data handling otherwise.
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|
1165 if (TIFFGetField(tif, TIFFTAG_ICCPROFILE, &tmp_len, &tmp_buf)) |
17
91f27e9fdb60
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Matti Hamalainen <ccr@tnsp.org>
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16
diff
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|
1166 bpg_add_md_contents(pmd, BPG_EXTENSION_TAG_ICCP, tmp_len, tmp_buf); |
9
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|
1167 |
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|
1168 if (TIFFGetField(tif, TIFFTAG_XMLPACKET, &tmp_len, &tmp_buf)) |
17
91f27e9fdb60
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Matti Hamalainen <ccr@tnsp.org>
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16
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|
1169 bpg_add_md_contents(pmd, BPG_EXTENSION_TAG_XMP, tmp_len, tmp_buf); |
4
bbd61622856a
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|
1170 |
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|
1171 err: |
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|
1172 if (buf != NULL) |
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|
1173 _TIFFfree(buf); |
bbd61622856a
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|
1174 |
11
e70eb0e6acd5
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10
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|
1175 if (buf2 != NULL) |
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Matti Hamalainen <ccr@tnsp.org>
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|
1176 free(buf2); |
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|
1177 |
4
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|
1178 TIFFClose(tif); |
bbd61622856a
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|
1179 return img; |
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|
1180 } |
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|
1181 |
0 | 1182 Image *read_png(BPGMetaData **pmd, |
1183 FILE *f, BPGColorSpaceEnum color_space, int out_bit_depth, | |
1184 int limited_range, int premultiplied_alpha) | |
1185 { | |
1186 png_structp png_ptr; | |
1187 png_infop info_ptr; | |
1188 int bit_depth, color_type; | |
1189 Image *img; | |
1190 uint8_t **rows; | |
1191 int y, has_alpha, linesize, bpp; | |
1192 BPGImageFormatEnum format; | |
1193 ColorConvertState cvt_s, *cvt = &cvt_s; | |
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1194 |
0 | 1195 png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, |
1196 NULL, NULL, NULL); | |
1197 if (png_ptr == NULL) { | |
1198 return NULL; | |
1199 } | |
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1200 |
0 | 1201 info_ptr = png_create_info_struct(png_ptr); |
1202 if (info_ptr == NULL) { | |
1203 png_destroy_read_struct(&png_ptr, NULL, NULL); | |
1204 return NULL; | |
1205 } | |
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1206 |
0 | 1207 if (setjmp(png_jmpbuf(png_ptr))) { |
1208 png_destroy_read_struct(&png_ptr, &info_ptr, NULL); | |
1209 return NULL; | |
1210 } | |
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1211 |
0 | 1212 png_init_io(png_ptr, f); |
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1213 |
0 | 1214 png_read_info(png_ptr, info_ptr); |
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1215 |
0 | 1216 bit_depth = png_get_bit_depth(png_ptr, info_ptr); |
1217 color_type = png_get_color_type(png_ptr, info_ptr); | |
1218 | |
1219 switch (color_type) { | |
1220 case PNG_COLOR_TYPE_PALETTE: | |
1221 png_set_palette_to_rgb(png_ptr); | |
1222 bit_depth = 8; | |
1223 break; | |
1224 case PNG_COLOR_TYPE_GRAY: | |
1225 case PNG_COLOR_TYPE_GRAY_ALPHA: | |
1226 if (bit_depth < 8) { | |
1227 png_set_expand_gray_1_2_4_to_8(png_ptr); | |
1228 bit_depth = 8; | |
1229 } | |
1230 break; | |
1231 } | |
1232 assert(bit_depth == 8 || bit_depth == 16); | |
1233 | |
1234 #if __BYTE_ORDER__ != __ORDER_BIG_ENDIAN__ | |
1235 if (bit_depth == 16) { | |
1236 png_set_swap(png_ptr); | |
1237 } | |
1238 #endif | |
1239 | |
1240 if (color_type == PNG_COLOR_TYPE_GRAY || | |
1241 color_type == PNG_COLOR_TYPE_GRAY_ALPHA) { | |
1242 format = BPG_FORMAT_GRAY; | |
1243 color_space = BPG_CS_YCbCr; | |
1244 } else { | |
1245 format = BPG_FORMAT_444; | |
1246 } | |
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1247 |
0 | 1248 has_alpha = (color_type == PNG_COLOR_TYPE_GRAY_ALPHA || |
1249 color_type == PNG_COLOR_TYPE_RGB_ALPHA); | |
1250 | |
1251 if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) { | |
1252 png_set_tRNS_to_alpha(png_ptr); | |
1253 has_alpha = 1; | |
1254 } | |
1255 | |
1256 if (premultiplied_alpha) { | |
1257 png_set_alpha_mode(png_ptr, PNG_ALPHA_ASSOCIATED, PNG_GAMMA_LINEAR); | |
1258 } | |
1259 | |
1260 img = image_alloc(png_get_image_width(png_ptr, info_ptr), | |
1261 png_get_image_height(png_ptr, info_ptr), | |
1262 format, has_alpha, color_space, | |
1263 out_bit_depth); | |
1264 img->limited_range = limited_range; | |
1265 img->premultiplied_alpha = premultiplied_alpha; | |
1266 | |
1267 rows = malloc(sizeof(rows[0]) * img->h); | |
1268 if (format == BPG_FORMAT_GRAY) | |
1269 bpp = (1 + has_alpha) * (bit_depth / 8); | |
1270 else | |
1271 bpp = (3 + has_alpha) * (bit_depth / 8); | |
1272 linesize = bpp * img->w; | |
1273 for (y = 0; y < img->h; y++) { | |
1274 rows[y] = malloc(linesize); | |
1275 } | |
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|
1276 |
0 | 1277 png_read_image(png_ptr, rows); |
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1278 |
0 | 1279 convert_init(cvt, bit_depth, out_bit_depth, color_space, limited_range); |
1280 | |
1281 if (format != BPG_FORMAT_GRAY) { | |
1282 int idx; | |
1283 RGBConvertFunc *convert_func; | |
1284 | |
1285 idx = (bit_depth == 16); | |
1286 convert_func = rgb_to_cs[idx][color_space]; | |
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1287 |
0 | 1288 for (y = 0; y < img->h; y++) { |
1289 convert_func(cvt, (PIXEL *)(img->data[0] + y * img->linesize[0]), | |
1290 (PIXEL *)(img->data[1] + y * img->linesize[1]), | |
1291 (PIXEL *)(img->data[2] + y * img->linesize[2]), | |
1292 rows[y], img->w, 3 + has_alpha); | |
1293 if (has_alpha) { | |
1294 if (idx) { | |
1295 gray16_to_gray(cvt, (PIXEL *)(img->data[3] + y * img->linesize[3]), | |
1296 (uint16_t *)rows[y] + 3, img->w, 4); | |
1297 } else { | |
1298 gray8_to_gray(cvt, (PIXEL *)(img->data[3] + y * img->linesize[3]), | |
1299 rows[y] + 3, img->w, 4); | |
1300 } | |
1301 } | |
1302 } | |
1303 } else { | |
1304 if (bit_depth == 16) { | |
1305 for (y = 0; y < img->h; y++) { | |
1306 luma16_to_gray(cvt, (PIXEL *)(img->data[0] + y * img->linesize[0]), | |
1307 (uint16_t *)rows[y], img->w, 1 + has_alpha); | |
1308 if (has_alpha) { | |
1309 gray16_to_gray(cvt, (PIXEL *)(img->data[1] + y * img->linesize[1]), | |
1310 (uint16_t *)rows[y] + 1, img->w, 2); | |
1311 } | |
1312 } | |
1313 } else { | |
1314 for (y = 0; y < img->h; y++) { | |
1315 luma8_to_gray(cvt, (PIXEL *)(img->data[0] + y * img->linesize[0]), | |
1316 rows[y], img->w, 1 + has_alpha); | |
1317 if (has_alpha) { | |
1318 gray8_to_gray(cvt, (PIXEL *)(img->data[1] + y * img->linesize[1]), | |
1319 rows[y] + 1, img->w, 2); | |
1320 } | |
1321 } | |
1322 } | |
1323 } | |
1324 | |
1325 for (y = 0; y < img->h; y++) { | |
1326 free(rows[y]); | |
1327 } | |
1328 free(rows); | |
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1329 |
0 | 1330 png_read_end(png_ptr, info_ptr); |
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1331 |
0 | 1332 /* get the ICC profile if present */ |
1333 { | |
1334 png_charp name; | |
1335 int comp_type; | |
1336 png_bytep iccp_buf; | |
1337 png_uint_32 iccp_buf_len; | |
5
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1338 |
0 | 1339 if (png_get_iCCP(png_ptr, info_ptr, |
9
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|
1340 &name, &comp_type, &iccp_buf, &iccp_buf_len) == PNG_INFO_iCCP) |
17
91f27e9fdb60
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16
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|
1341 bpg_add_md_contents(pmd, BPG_EXTENSION_TAG_ICCP, iccp_buf_len, iccp_buf); |
0 | 1342 } |
1343 | |
1344 png_destroy_read_struct(&png_ptr, &info_ptr, NULL); | |
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1345 |
0 | 1346 return img; |
1347 } | |
1348 | |
1349 static BPGMetaData *jpeg_get_metadata(jpeg_saved_marker_ptr first_marker) | |
1350 { | |
1351 static const char app1_exif[] = "Exif"; | |
1352 static const char app1_xmp[] = "http://ns.adobe.com/xap/1.0/"; | |
1353 static const char app2_iccp[] = "ICC_PROFILE"; | |
1354 jpeg_saved_marker_ptr marker; | |
18
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|
1355 BPGMetaData *md_list; |
0 | 1356 int has_exif, has_xmp, l, iccp_chunk_count, i; |
1357 jpeg_saved_marker_ptr iccp_chunks[256]; | |
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1358 |
0 | 1359 iccp_chunk_count = 0; |
1360 has_exif = 0; | |
1361 has_xmp = 0; | |
18
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|
1362 md_list = NULL; |
0 | 1363 for (marker = first_marker; marker != NULL; marker = marker->next) { |
1364 #if 0 | |
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1365 printf("marker=APP%d len=%d\n", |
0 | 1366 marker->marker - JPEG_APP0, marker->data_length); |
1367 #endif | |
1368 if (!has_exif && marker->marker == JPEG_APP0 + 1 && | |
1369 marker->data_length > sizeof(app1_exif) && | |
1370 !memcmp(marker->data, app1_exif, sizeof(app1_exif))) { | |
1371 l = sizeof(app1_exif); | |
18
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|
1372 bpg_add_md_contents(&md_list, BPG_EXTENSION_TAG_EXIF, marker->data_length - l, marker->data + l); |
0 | 1373 has_exif = 1; |
1374 } else if (!has_xmp && marker->marker == JPEG_APP0 + 1 && | |
1375 marker->data_length > sizeof(app1_xmp) && | |
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1376 !memcmp(marker->data, app1_xmp, sizeof(app1_xmp)) && |
0 | 1377 !has_xmp) { |
1378 l = sizeof(app1_xmp); | |
18
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|
1379 bpg_add_md_contents(&md_list, BPG_EXTENSION_TAG_XMP, marker->data_length - l, marker->data + l); |
0 | 1380 has_xmp = 1; |
1381 } else if (marker->marker == JPEG_APP0 + 2 && | |
1382 marker->data_length > (sizeof(app2_iccp) + 2) && | |
1383 !memcmp(marker->data, app2_iccp, sizeof(app2_iccp))) { | |
1384 int chunk_count, chunk_index; | |
1385 l = sizeof(app2_iccp); | |
1386 chunk_index = marker->data[l]; | |
1387 chunk_count = marker->data[l]; | |
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1388 if (chunk_index == 0 || chunk_count == 0) |
0 | 1389 continue; |
1390 if (iccp_chunk_count == 0) { | |
1391 iccp_chunk_count = chunk_count; | |
1392 for(i = 0; i < chunk_count; i++) { | |
1393 iccp_chunks[i] = NULL; | |
1394 } | |
1395 } else { | |
1396 if (chunk_count != iccp_chunk_count) | |
1397 continue; | |
1398 } | |
1399 if (chunk_index > iccp_chunk_count) | |
1400 continue; | |
1401 iccp_chunks[chunk_index - 1] = marker; | |
1402 } | |
1403 } | |
1404 | |
1405 if (iccp_chunk_count != 0) { | |
1406 int len, hlen, idx; | |
1407 /* check that no chunk are missing */ | |
1408 len = 0; | |
1409 hlen = sizeof(app2_iccp) + 2; | |
1410 for(i = 0; i < iccp_chunk_count; i++) { | |
1411 if (!iccp_chunks[i]) | |
1412 break; | |
1413 len += iccp_chunks[i]->data_length - hlen; | |
1414 } | |
1415 if (i == iccp_chunk_count) { | |
18
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|
1416 BPGMetaData *md = bpg_md_alloc(BPG_EXTENSION_TAG_ICCP); |
0 | 1417 md->buf_len = len; |
1418 md->buf = malloc(md->buf_len); | |
18
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|
1419 bpg_insert_md(&md_list, md); |
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|
1420 for(i = 0, idx = 0; i < iccp_chunk_count; i++) { |
0 | 1421 l = iccp_chunks[i]->data_length - hlen; |
1422 memcpy(md->buf + idx, iccp_chunks[i]->data + hlen, l); | |
1423 idx += l; | |
1424 } | |
1425 assert(idx == len); | |
1426 } | |
1427 } | |
18
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|
1428 return md_list; |
0 | 1429 } |
1430 | |
5
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Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1431 Image *read_jpeg(BPGMetaData **pmd, FILE *f, |
0 | 1432 int out_bit_depth) |
1433 { | |
1434 struct jpeg_decompress_struct cinfo; | |
1435 struct jpeg_error_mgr jerr; | |
1436 int w, h, w1, i, y_h, c_h, y, v_shift, c_w, y1, idx, c_idx, h_shift; | |
1437 int h1, plane_idx[4], has_alpha, has_w_plane; | |
1438 Image *img; | |
1439 BPGImageFormatEnum format; | |
1440 BPGColorSpaceEnum color_space; | |
1441 ColorConvertState cvt_s, *cvt = &cvt_s; | |
1442 uint32_t comp_hv; | |
1443 | |
1444 cinfo.err = jpeg_std_error(&jerr); | |
1445 jpeg_create_decompress(&cinfo); | |
1446 | |
1447 jpeg_save_markers(&cinfo, JPEG_APP0 + 1, 65535); | |
1448 jpeg_save_markers(&cinfo, JPEG_APP0 + 2, 65535); | |
1449 | |
1450 jpeg_stdio_src(&cinfo, f); | |
5
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Matti Hamalainen <ccr@tnsp.org>
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4
diff
changeset
|
1451 |
0 | 1452 jpeg_read_header(&cinfo, TRUE); |
5
524eae707ba4
Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
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|
1453 |
0 | 1454 cinfo.raw_data_out = TRUE; |
1455 cinfo.do_fancy_upsampling = TRUE; | |
5
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Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
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|
1456 |
0 | 1457 w = cinfo.image_width; |
1458 h = cinfo.image_height; | |
1459 | |
1460 has_w_plane = 0; | |
1461 comp_hv = 0; | |
1462 if (cinfo.num_components < 1 || cinfo.num_components > 4) | |
1463 goto unsupported; | |
1464 for(i = 0; i < cinfo.num_components; i++) { | |
1465 comp_hv |= cinfo.comp_info[i].h_samp_factor << (i * 8 + 4); | |
1466 comp_hv |= cinfo.comp_info[i].v_samp_factor << (i * 8); | |
1467 } | |
1468 switch(cinfo.jpeg_color_space) { | |
1469 case JCS_GRAYSCALE: | |
1470 if (cinfo.num_components != 1 || comp_hv != 0x11) | |
1471 goto unsupported; | |
1472 format = BPG_FORMAT_GRAY; | |
1473 color_space = BPG_CS_YCbCr; | |
1474 break; | |
1475 case JCS_YCbCr: | |
1476 if (cinfo.num_components != 3) | |
1477 goto unsupported; | |
1478 switch(comp_hv) { | |
1479 case 0x111111: | |
1480 format = BPG_FORMAT_444; | |
1481 break; | |
1482 case 0x111121: | |
1483 format = BPG_FORMAT_422; | |
1484 break; | |
1485 case 0x111122: | |
1486 format = BPG_FORMAT_420; | |
1487 break; | |
1488 default: | |
1489 cinfo.raw_data_out = FALSE; | |
1490 format = BPG_FORMAT_444; | |
1491 cinfo.out_color_space = JCS_YCbCr; | |
1492 break; | |
1493 } | |
1494 color_space = BPG_CS_YCbCr; | |
1495 break; | |
1496 case JCS_RGB: | |
1497 if (cinfo.num_components != 3) | |
1498 goto unsupported; | |
1499 format = BPG_FORMAT_444; | |
1500 color_space = BPG_CS_RGB; | |
1501 cinfo.raw_data_out = FALSE; | |
1502 cinfo.out_color_space = JCS_RGB; | |
1503 break; | |
1504 case JCS_YCCK: | |
1505 if (cinfo.num_components != 4) | |
1506 goto unsupported; | |
1507 switch(comp_hv) { | |
1508 case 0x11111111: | |
1509 format = BPG_FORMAT_444; | |
1510 color_space = BPG_CS_YCbCr; | |
1511 break; | |
1512 case 0x22111121: | |
1513 format = BPG_FORMAT_422; | |
1514 color_space = BPG_CS_YCbCr; | |
1515 break; | |
1516 case 0x22111122: | |
1517 format = BPG_FORMAT_420; | |
1518 color_space = BPG_CS_YCbCr; | |
1519 break; | |
1520 default: | |
1521 cinfo.raw_data_out = FALSE; | |
1522 format = BPG_FORMAT_444; | |
1523 cinfo.out_color_space = JCS_CMYK; | |
1524 color_space = BPG_CS_RGB; | |
1525 break; | |
1526 } | |
1527 has_w_plane = 1; | |
1528 break; | |
1529 case JCS_CMYK: | |
1530 if (cinfo.num_components != 4) | |
1531 goto unsupported; | |
1532 format = BPG_FORMAT_444; | |
1533 color_space = BPG_CS_RGB; | |
1534 has_w_plane = 1; | |
1535 cinfo.raw_data_out = FALSE; | |
1536 cinfo.out_color_space = JCS_CMYK; | |
1537 break; | |
1538 default: | |
1539 unsupported: | |
1540 fprintf(stderr, "Unsupported JPEG parameters (cs=%d n_comp=%d comp_hv=%x)\n", | |
1541 cinfo.jpeg_color_space, cinfo.num_components, comp_hv); | |
1542 img = NULL; | |
1543 goto the_end; | |
1544 } | |
1545 | |
1546 v_shift = (format == BPG_FORMAT_420); | |
1547 h_shift = (format == BPG_FORMAT_422 || format == BPG_FORMAT_420); | |
1548 has_alpha = (cinfo.num_components == 4); | |
1549 img = image_alloc(w, h, format, has_alpha, color_space, out_bit_depth); | |
1550 img->has_w_plane = has_w_plane; | |
1551 | |
1552 convert_init(cvt, 8, out_bit_depth, color_space, 0); | |
1553 | |
1554 jpeg_start_decompress(&cinfo); | |
1555 | |
1556 if (color_space == BPG_CS_RGB) { | |
1557 plane_idx[0] = 2; | |
1558 plane_idx[1] = 0; | |
1559 plane_idx[2] = 1; | |
1560 } else { | |
1561 plane_idx[0] = 0; | |
1562 plane_idx[1] = 1; | |
1563 plane_idx[2] = 2; | |
1564 } | |
1565 plane_idx[3] = 3; | |
5
524eae707ba4
Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1566 |
0 | 1567 if (cinfo.raw_data_out) { |
1568 JSAMPROW rows[4][16]; | |
1569 JSAMPROW *plane_pointer[4]; | |
1570 | |
1571 y_h = 8 * cinfo.max_v_samp_factor; | |
1572 if (cinfo.num_components == 1) { | |
1573 c_h = 0; | |
1574 c_w = 0; | |
1575 } else { | |
1576 c_h = 8; | |
1577 if (h_shift) | |
1578 c_w = (w + 1) / 2; | |
1579 else | |
1580 c_w = w; | |
1581 } | |
1582 w1 = (w + 15) & ~15; | |
1583 for(c_idx = 0; c_idx < cinfo.num_components; c_idx++) { | |
1584 if (c_idx == 1 || c_idx == 2) { | |
1585 h1 = c_h; | |
1586 } else { | |
1587 h1 = y_h; | |
1588 } | |
1589 for(i = 0; i < h1; i++) { | |
1590 rows[c_idx][i] = malloc(w1); | |
1591 } | |
1592 plane_pointer[c_idx] = rows[c_idx]; | |
1593 } | |
5
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Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1594 |
0 | 1595 while (cinfo.output_scanline < cinfo.output_height) { |
1596 y = cinfo.output_scanline; | |
1597 jpeg_read_raw_data(&cinfo, plane_pointer, y_h); | |
5
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Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1598 |
0 | 1599 for(c_idx = 0; c_idx < cinfo.num_components; c_idx++) { |
1600 if (c_idx == 1 || c_idx == 2) { | |
1601 h1 = c_h; | |
1602 w1 = c_w; | |
1603 y1 = (y >> v_shift); | |
1604 } else { | |
1605 h1 = y_h; | |
1606 w1 = img->w; | |
1607 y1 = y; | |
1608 } | |
1609 idx = plane_idx[c_idx]; | |
1610 for(i = 0; i < h1; i++) { | |
1611 PIXEL *ptr; | |
5
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Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
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4
diff
changeset
|
1612 ptr = (PIXEL *)(img->data[idx] + |
0 | 1613 img->linesize[idx] * (y1 + i)); |
1614 gray8_to_gray(cvt, ptr, rows[c_idx][i], w1, 1); | |
1615 if (color_space == BPG_CS_YCbCr && has_w_plane) { | |
1616 /* negate color */ | |
1617 if (c_idx == 0) { | |
1618 gray_one_minus(cvt, ptr, w1); | |
1619 } else if (c_idx <= 2) { | |
1620 gray_neg_c(cvt, ptr, w1); | |
1621 } | |
1622 } | |
1623 } | |
1624 } | |
1625 } | |
5
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Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1626 |
0 | 1627 for(c_idx = 0; c_idx < cinfo.num_components; c_idx++) { |
1628 if (c_idx == 1 || c_idx == 2) { | |
1629 h1 = c_h; | |
1630 } else { | |
1631 h1 = y_h; | |
1632 } | |
1633 for(i = 0; i < h1; i++) { | |
1634 free(rows[c_idx][i]); | |
1635 } | |
1636 } | |
1637 } else { | |
1638 JSAMPROW rows[1]; | |
1639 uint8_t *buf; | |
1640 int c_count; | |
1641 | |
1642 c_count = 3 + has_w_plane; | |
1643 buf = malloc(c_count * w); | |
1644 rows[0] = buf; | |
1645 while (cinfo.output_scanline < cinfo.output_height) { | |
1646 y = cinfo.output_scanline; | |
1647 jpeg_read_scanlines(&cinfo, rows, 1); | |
1648 | |
1649 for(c_idx = 0; c_idx < c_count; c_idx++) { | |
1650 idx = plane_idx[c_idx]; | |
5
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1651 gray8_to_gray(cvt, (PIXEL *)(img->data[idx] + |
0 | 1652 img->linesize[idx] * y), |
1653 buf + c_idx, w, c_count); | |
1654 } | |
1655 } | |
1656 free(buf); | |
1657 } | |
5
524eae707ba4
Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
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4
diff
changeset
|
1658 |
9
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
1659 *pmd = jpeg_get_metadata(cinfo.marker_list); |
0 | 1660 |
1661 the_end: | |
1662 jpeg_finish_decompress(&cinfo); | |
5
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Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
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4
diff
changeset
|
1663 |
0 | 1664 jpeg_destroy_decompress(&cinfo); |
1665 return img; | |
1666 } | |
1667 | |
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1668 static const char PROBE_TIFF_MAGIC_LE[] = { 'I', 'I', 42, 0 }; |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1669 static const char PROBE_TIFF_MAGIC_BE[] = { 'M', 'M', 0, 42 }; |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1670 #define PROBE_BUF_SIZE 8 |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1671 |
0 | 1672 Image *load_image(BPGMetaData **pmd, const char *infilename, |
1673 BPGColorSpaceEnum color_space, int bit_depth, | |
1674 int limited_range, int premultiplied_alpha) | |
1675 { | |
1676 FILE *f; | |
3
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1677 Image *img = NULL; |
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1678 uint8_t buf[PROBE_BUF_SIZE]; |
0 | 1679 |
1680 *pmd = NULL; | |
1681 | |
3
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1682 if ((f = fopen(infilename, "rb")) == NULL) |
0 | 1683 return NULL; |
3
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1684 |
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1685 if (fread(buf, 1, PROBE_BUF_SIZE, f) != PROBE_BUF_SIZE) |
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1686 goto err; |
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1687 |
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1688 fseek(f, 0, SEEK_SET); |
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1689 |
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1690 if (png_sig_cmp(buf, 0, PROBE_BUF_SIZE) == 0) |
8
5a1eec3c43cc
Get rid of indirect metadata variable sillyness in load_image().
Matti Hamalainen <ccr@tnsp.org>
parents:
7
diff
changeset
|
1691 img = read_png(pmd, f, color_space, bit_depth, limited_range, premultiplied_alpha); |
3
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1692 else |
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1693 if (memcmp(buf, PROBE_TIFF_MAGIC_LE, sizeof(PROBE_TIFF_MAGIC_LE)) == 0 || |
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1694 memcmp(buf, PROBE_TIFF_MAGIC_BE, sizeof(PROBE_TIFF_MAGIC_BE)) == 0) |
8
5a1eec3c43cc
Get rid of indirect metadata variable sillyness in load_image().
Matti Hamalainen <ccr@tnsp.org>
parents:
7
diff
changeset
|
1695 img = read_tiff(pmd, infilename, color_space, bit_depth, limited_range, premultiplied_alpha); |
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1696 else |
8
5a1eec3c43cc
Get rid of indirect metadata variable sillyness in load_image().
Matti Hamalainen <ccr@tnsp.org>
parents:
7
diff
changeset
|
1697 img = read_jpeg(pmd, f, bit_depth); |
3
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1698 |
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1699 err: |
0 | 1700 fclose(f); |
1701 return img; | |
1702 } | |
1703 | |
1704 void save_yuv1(Image *img, FILE *f) | |
1705 { | |
1706 int c_w, c_h, i, c_count, y; | |
1707 | |
1708 if (img->format == BPG_FORMAT_GRAY) | |
1709 c_count = 1; | |
1710 else | |
1711 c_count = 3; | |
1712 for(i = 0; i < c_count; i++) { | |
1713 get_plane_res(img, &c_w, &c_h, i); | |
1714 for(y = 0; y < c_h; y++) { | |
5
524eae707ba4
Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1715 fwrite(img->data[i] + y * img->linesize[i], |
0 | 1716 1, c_w << img->pixel_shift, f); |
1717 } | |
1718 } | |
1719 } | |
1720 | |
1721 void save_yuv(Image *img, const char *filename) | |
1722 { | |
1723 FILE *f; | |
1724 | |
1725 f = fopen(filename, "wb"); | |
1726 if (!f) { | |
1727 fprintf(stderr, "Could not open %s\n", filename); | |
1728 exit(1); | |
1729 } | |
1730 save_yuv1(img, f); | |
1731 fclose(f); | |
1732 } | |
1733 | |
1734 /* return the position of the end of the NAL or -1 if error */ | |
1735 static int find_nal_end(const uint8_t *buf, int buf_len) | |
1736 { | |
1737 int idx; | |
1738 | |
1739 idx = 0; | |
1740 if (buf_len >= 4 && | |
1741 buf[0] == 0 && buf[1] == 0 && buf[2] == 0 && buf[3] == 1) { | |
1742 idx = 4; | |
1743 } else if (buf_len >= 3 && | |
1744 buf[0] == 0 && buf[1] == 0 && buf[2] == 1) { | |
1745 idx = 3; | |
1746 } else { | |
1747 return -1; | |
1748 } | |
1749 /* NAL header */ | |
1750 if (idx + 2 > buf_len) | |
1751 return -1; | |
1752 /* find the last byte */ | |
1753 for(;;) { | |
1754 if (idx + 2 >= buf_len) { | |
1755 idx = buf_len; | |
1756 break; | |
1757 } | |
1758 if (buf[idx] == 0 && buf[idx + 1] == 0 && buf[idx + 2] == 1) | |
1759 break; | |
1760 if (idx + 3 < buf_len && | |
1761 buf[idx] == 0 && buf[idx + 1] == 0 && buf[idx + 2] == 0 && buf[idx + 3] == 1) | |
1762 break; | |
1763 idx++; | |
1764 } | |
1765 return idx; | |
1766 } | |
1767 | |
1768 /* return the position of the end of the NAL or -1 if error */ | |
5
524eae707ba4
Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1769 static int extract_nal(uint8_t **pnal_buf, int *pnal_len, |
0 | 1770 const uint8_t *buf, int buf_len) |
1771 { | |
1772 int idx, start, end, len; | |
1773 uint8_t *nal_buf; | |
1774 int nal_len; | |
1775 | |
1776 end = find_nal_end(buf, buf_len); | |
1777 if (end < 0) | |
1778 return -1; | |
1779 if (buf[2] == 1) | |
1780 start = 3; | |
1781 else | |
1782 start = 4; | |
1783 len = end - start; | |
5
524eae707ba4
Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1784 |
0 | 1785 nal_buf = malloc(len); |
1786 nal_len = 0; | |
1787 idx = start; | |
1788 while (idx < end) { | |
1789 if (idx + 2 < end && buf[idx] == 0 && buf[idx + 1] == 0 && buf[idx + 2] == 3) { | |
1790 nal_buf[nal_len++] = 0; | |
1791 nal_buf[nal_len++] = 0; | |
1792 idx += 3; | |
1793 } else { | |
1794 nal_buf[nal_len++] = buf[idx++]; | |
1795 } | |
1796 } | |
1797 while (idx < end) { | |
1798 nal_buf[nal_len++] = buf[idx++]; | |
1799 } | |
1800 *pnal_buf = nal_buf; | |
1801 *pnal_len = nal_len; | |
1802 return idx; | |
1803 } | |
1804 | |
1805 /* big endian variable length 7 bit encoding */ | |
1806 static void put_ue(uint8_t **pp, uint32_t v) | |
1807 { | |
1808 uint8_t *p = *pp; | |
1809 int i, j; | |
5
524eae707ba4
Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1810 |
0 | 1811 for(i = 1; i < 5; i++) { |
1812 if (v < (1 << (7 * i))) | |
1813 break; | |
1814 } | |
1815 for(j = i - 1; j >= 1; j--) | |
1816 *p++ = ((v >> (7 * j)) & 0x7f) | 0x80; | |
1817 *p++ = v & 0x7f; | |
1818 *pp = p; | |
1819 } | |
1820 | |
1821 typedef struct { | |
1822 const uint8_t *buf; | |
1823 int idx; | |
1824 int buf_len; | |
1825 } GetBitState; | |
1826 | |
1827 static void init_get_bits(GetBitState *s, const uint8_t *buf, int buf_len) | |
1828 { | |
1829 s->buf = buf; | |
1830 s->buf_len = buf_len; | |
1831 s->idx = 0; | |
1832 } | |
1833 | |
1834 static void skip_bits(GetBitState *s, int n) | |
1835 { | |
1836 s->idx += n; | |
1837 } | |
1838 | |
1839 /* 1 <= n <= 25. return '0' bits if past the end of the buffer. */ | |
1840 static uint32_t get_bits(GetBitState *s, int n) | |
1841 { | |
1842 const uint8_t *buf = s->buf; | |
1843 int p, i; | |
1844 uint32_t v; | |
1845 | |
1846 p = s->idx >> 3; | |
1847 if ((p + 3) < s->buf_len) { | |
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1848 v = (buf[p] << 24) | (buf[p + 1] << 16) | |
0 | 1849 (buf[p + 2] << 8) | buf[p + 3]; |
1850 } else { | |
1851 v = 0; | |
1852 for(i = 0; i < 3; i++) { | |
1853 if ((p + i) < s->buf_len) | |
1854 v |= buf[p + i] << (24 - i * 8); | |
1855 } | |
1856 } | |
1857 v = (v >> (32 - (s->idx & 7) - n)) & ((1 << n) - 1); | |
1858 s->idx += n; | |
1859 return v; | |
1860 } | |
1861 | |
1862 /* 1 <= n <= 32 */ | |
1863 static uint32_t get_bits_long(GetBitState *s, int n) | |
1864 { | |
1865 uint32_t v; | |
1866 | |
1867 if (n <= 25) { | |
1868 v = get_bits(s, n); | |
1869 } else { | |
1870 n -= 16; | |
1871 v = get_bits(s, 16) << n; | |
1872 v |= get_bits(s, n); | |
1873 } | |
1874 return v; | |
1875 } | |
1876 | |
1877 /* at most 32 bits are supported */ | |
1878 static uint32_t get_ue_golomb(GetBitState *s) | |
1879 { | |
1880 int i; | |
1881 i = 0; | |
1882 for(;;) { | |
1883 if (get_bits(s, 1)) | |
1884 break; | |
1885 i++; | |
1886 if (i == 32) | |
1887 return 0xffffffff; | |
1888 } | |
1889 if (i == 0) | |
1890 return 0; | |
1891 else | |
1892 return ((1 << i) | get_bits_long(s, i)) - 1; | |
1893 } | |
1894 | |
1895 typedef struct { | |
1896 uint8_t *buf; | |
1897 int idx; | |
1898 } PutBitState; | |
1899 | |
1900 static void init_put_bits(PutBitState *s, uint8_t *buf) | |
1901 { | |
1902 s->buf = buf; | |
1903 s->idx = 0; | |
1904 } | |
1905 | |
1906 static void put_bit(PutBitState *s, int bit) | |
1907 { | |
1908 s->buf[s->idx >> 3] |= bit << (7 - (s->idx & 7)); | |
1909 s->idx++; | |
1910 } | |
1911 | |
1912 static void put_bits(PutBitState *s, int n, uint32_t v) | |
1913 { | |
1914 int i; | |
1915 | |
1916 for(i = 0; i < n; i++) { | |
1917 put_bit(s, (v >> (n - 1 - i)) & 1); | |
1918 } | |
1919 } | |
1920 | |
1921 static void put_ue_golomb(PutBitState *s, uint32_t v) | |
1922 { | |
1923 uint32_t a; | |
1924 int n; | |
1925 | |
1926 v++; | |
1927 n = 0; | |
1928 a = v; | |
1929 while (a != 0) { | |
1930 a >>= 1; | |
1931 n++; | |
1932 } | |
1933 if (n > 1) | |
1934 put_bits(s, n - 1, 0); | |
1935 put_bits(s, n, v); | |
1936 } | |
1937 | |
1938 typedef struct { | |
1939 uint8_t *buf; | |
1940 int size; | |
1941 int len; | |
1942 } DynBuf; | |
1943 | |
1944 static void dyn_buf_init(DynBuf *s) | |
1945 { | |
1946 s->buf = NULL; | |
1947 s->size = 0; | |
1948 s->len = 0; | |
1949 } | |
1950 | |
1951 static int dyn_buf_resize(DynBuf *s, int size) | |
1952 { | |
1953 int new_size; | |
1954 uint8_t *new_buf; | |
1955 | |
1956 if (size <= s->size) | |
1957 return 0; | |
1958 new_size = (s->size * 3) / 2; | |
1959 if (new_size < size) | |
1960 new_size = size; | |
1961 new_buf = realloc(s->buf, new_size); | |
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1962 if (!new_buf) |
0 | 1963 return -1; |
1964 s->buf = new_buf; | |
1965 s->size = new_size; | |
1966 return 0; | |
1967 } | |
1968 | |
1969 /* suppress the VPS NAL and keep only the useful part of the SPS | |
1970 header. The decoder can rebuild a valid HEVC stream if needed. */ | |
1971 static int build_modified_sps(uint8_t **pout_buf, int *pout_buf_len, | |
1972 const uint8_t *buf, int buf_len) | |
1973 { | |
1974 int nal_unit_type, nal_len, idx, i, ret, msps_buf_len; | |
1975 int out_buf_len, out_buf_len_max; | |
1976 uint8_t *nal_buf, *msps_buf, *out_buf; | |
1977 GetBitState gb_s, *gb = &gb_s; | |
1978 PutBitState pb_s, *pb = &pb_s; | |
1979 uint8_t *p; | |
1980 | |
1981 idx = extract_nal(&nal_buf, &nal_len, buf, buf_len); | |
1982 if (idx < 0) | |
1983 return -1; | |
1984 if (nal_len < 2) { | |
1985 free(nal_buf); | |
1986 return -1; | |
1987 } | |
1988 nal_unit_type = (nal_buf[0] >> 1) & 0x3f; | |
1989 free(nal_buf); | |
1990 if (nal_unit_type != 32) { | |
1991 fprintf(stderr, "expecting VPS nal (%d)\n", nal_unit_type); | |
1992 return -1; /* expect VPS nal */ | |
1993 } | |
1994 | |
1995 ret = extract_nal(&nal_buf, &nal_len, buf + idx, buf_len); | |
1996 if (ret < 0) | |
1997 return -1; | |
1998 idx += ret; | |
1999 if (nal_len < 2) | |
2000 return -1; | |
2001 nal_unit_type = (nal_buf[0] >> 1) & 0x3f; | |
2002 if (nal_unit_type != 33) { | |
2003 fprintf(stderr, "expecting SPS nal (%d)\n", nal_unit_type); | |
2004 return -1; /* expect SPS nal */ | |
2005 } | |
2006 | |
2007 /* skip the initial part of the SPS up to and including | |
2008 log2_min_cb_size */ | |
2009 { | |
2010 int vps_id, max_sub_layers, profile_idc, sps_id; | |
2011 int chroma_format_idc, width, height, bit_depth_luma, bit_depth_chroma; | |
2012 int log2_max_poc_lsb, sublayer_ordering_info, log2_min_cb_size; | |
2013 int log2_diff_max_min_coding_block_size, log2_min_tb_size; | |
2014 int log2_diff_max_min_transform_block_size; | |
2015 int max_transform_hierarchy_depth_inter; | |
2016 int max_transform_hierarchy_depth_intra; | |
2017 int scaling_list_enable_flag, amp_enabled_flag, sao_enabled; | |
2018 int pcm_enabled_flag, nb_st_rps; | |
2019 int long_term_ref_pics_present_flag, sps_strong_intra_smoothing_enable_flag, vui_present; | |
2020 int sps_temporal_mvp_enabled_flag; | |
2021 int pcm_sample_bit_depth_luma_minus1; | |
2022 int pcm_sample_bit_depth_chroma_minus1; | |
2023 int log2_min_pcm_luma_coding_block_size_minus3; | |
2024 int log2_diff_max_min_pcm_luma_coding_block_size; | |
2025 int pcm_loop_filter_disabled_flag; | |
2026 int sps_extension_flag, sps_range_extension_flag, sps_extension_7bits; | |
2027 int sps_range_extension_flags; | |
2028 | |
2029 init_get_bits(gb, nal_buf, nal_len); | |
2030 skip_bits(gb, 16); /* nal header */ | |
2031 vps_id = get_bits(gb, 4); | |
2032 if (vps_id != 0) { | |
2033 fprintf(stderr, "VPS id 0 expected\n"); | |
2034 return -1; | |
2035 } | |
2036 max_sub_layers = get_bits(gb, 3); | |
2037 if (max_sub_layers != 0) { | |
2038 fprintf(stderr, "max_sub_layers == 0 expected\n"); | |
2039 return -1; | |
2040 } | |
2041 skip_bits(gb, 1); /* temporal_id_nesting_flag */ | |
2042 /* profile tier level */ | |
2043 skip_bits(gb, 2); /* profile_space */ | |
2044 skip_bits(gb, 1); /* tier_flag */ | |
2045 profile_idc = get_bits(gb, 5); | |
2046 for(i = 0; i < 32; i++) { | |
2047 skip_bits(gb, 1); /* profile_compatibility_flag */ | |
2048 } | |
2049 skip_bits(gb, 1); /* progressive_source_flag */ | |
2050 skip_bits(gb, 1); /* interlaced_source_flag */ | |
2051 skip_bits(gb, 1); /* non_packed_constraint_flag */ | |
2052 skip_bits(gb, 1); /* frame_only_constraint_flag */ | |
2053 skip_bits(gb, 44); /* XXX_reserved_zero_44 */ | |
2054 skip_bits(gb, 8); /* level_idc */ | |
2055 | |
2056 sps_id = get_ue_golomb(gb); | |
2057 if (sps_id != 0) { | |
2058 fprintf(stderr, "SPS id 0 expected (%d)\n", sps_id); | |
2059 return -1; | |
2060 } | |
2061 chroma_format_idc = get_ue_golomb(gb); | |
2062 if (chroma_format_idc == 3) { | |
2063 get_bits(gb, 1); /* separate_colour_plane_flag */ | |
2064 } | |
2065 width = get_ue_golomb(gb); | |
2066 height = get_ue_golomb(gb); | |
2067 /* pic conformance_flag */ | |
2068 if (get_bits(gb, 1)) { | |
2069 get_ue_golomb(gb); /* left_offset */ | |
2070 get_ue_golomb(gb); /* right_offset */ | |
2071 get_ue_golomb(gb); /* top_offset */ | |
2072 get_ue_golomb(gb); /* bottom_offset */ | |
2073 } | |
2074 bit_depth_luma = get_ue_golomb(gb) + 8; | |
2075 bit_depth_chroma = get_ue_golomb(gb) + 8; | |
2076 log2_max_poc_lsb = get_ue_golomb(gb) + 4; | |
2077 if (log2_max_poc_lsb != 8) { | |
2078 fprintf(stderr, "log2_max_poc_lsb must be 8 (%d)\n", log2_max_poc_lsb); | |
2079 return -1; | |
2080 } | |
2081 sublayer_ordering_info = get_bits(gb, 1); | |
2082 get_ue_golomb(gb); /* max_dec_pic_buffering */ | |
2083 get_ue_golomb(gb); /* num_reorder_pics */ | |
2084 get_ue_golomb(gb); /* max_latency_increase */ | |
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2085 |
0 | 2086 log2_min_cb_size = get_ue_golomb(gb) + 3; |
2087 log2_diff_max_min_coding_block_size = get_ue_golomb(gb); | |
2088 log2_min_tb_size = get_ue_golomb(gb) + 2; | |
2089 log2_diff_max_min_transform_block_size = get_ue_golomb(gb); | |
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2090 |
0 | 2091 max_transform_hierarchy_depth_inter = get_ue_golomb(gb); |
2092 max_transform_hierarchy_depth_intra = get_ue_golomb(gb); | |
2093 if (max_transform_hierarchy_depth_inter != max_transform_hierarchy_depth_intra) { | |
2094 fprintf(stderr, "max_transform_hierarchy_depth_inter must be the same as max_transform_hierarchy_depth_intra (%d %d)\n", max_transform_hierarchy_depth_inter, max_transform_hierarchy_depth_intra); | |
2095 return -1; | |
2096 } | |
2097 | |
2098 scaling_list_enable_flag = get_bits(gb, 1); | |
2099 if (scaling_list_enable_flag != 0) { | |
2100 fprintf(stderr, "scaling_list_enable_flag must be 0\n"); | |
2101 return -1; | |
2102 } | |
2103 amp_enabled_flag = get_bits(gb, 1); | |
2104 if (!amp_enabled_flag) { | |
2105 fprintf(stderr, "amp_enabled_flag must be set\n"); | |
2106 return -1; | |
2107 } | |
2108 sao_enabled = get_bits(gb, 1); | |
2109 pcm_enabled_flag = get_bits(gb, 1); | |
2110 if (pcm_enabled_flag) { | |
2111 pcm_sample_bit_depth_luma_minus1 = get_bits(gb, 4); | |
2112 pcm_sample_bit_depth_chroma_minus1 = get_bits(gb, 4); | |
2113 log2_min_pcm_luma_coding_block_size_minus3 = get_ue_golomb(gb); | |
2114 log2_diff_max_min_pcm_luma_coding_block_size = get_ue_golomb(gb); | |
2115 pcm_loop_filter_disabled_flag = get_bits(gb, 1); | |
2116 } | |
2117 nb_st_rps = get_ue_golomb(gb); | |
2118 if (nb_st_rps != 0) { | |
2119 fprintf(stderr, "nb_st_rps must be 0 (%d)\n", nb_st_rps); | |
2120 return -1; | |
2121 } | |
2122 long_term_ref_pics_present_flag = get_bits(gb, 1); | |
2123 if (long_term_ref_pics_present_flag) { | |
2124 fprintf(stderr, "nlong_term_ref_pics_present_flag must be 0 (%d)\n", nb_st_rps); | |
2125 return -1; | |
2126 } | |
2127 sps_temporal_mvp_enabled_flag = get_bits(gb, 1); | |
2128 if (!sps_temporal_mvp_enabled_flag) { | |
2129 fprintf(stderr, "sps_temporal_mvp_enabled_flag must be set\n"); | |
2130 return -1; | |
2131 } | |
2132 sps_strong_intra_smoothing_enable_flag = get_bits(gb, 1); | |
2133 vui_present = get_bits(gb, 1); | |
2134 if (vui_present) { | |
2135 int sar_present, sar_idx, overscan_info_present_flag; | |
2136 int video_signal_type_present_flag, chroma_loc_info_present_flag; | |
2137 int default_display_window_flag, vui_timing_info_present_flag; | |
2138 int vui_poc_proportional_to_timing_flag; | |
2139 int vui_hrd_parameters_present_flag, bitstream_restriction_flag; | |
2140 | |
2141 sar_present = get_bits(gb, 1); | |
2142 if (sar_present) { | |
2143 sar_idx = get_bits(gb, 8); | |
2144 if (sar_idx == 255) { | |
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2145 skip_bits(gb, 16); /* sar_num */ |
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2146 skip_bits(gb, 16); /* sar_den */ |
0 | 2147 } |
2148 } | |
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2149 |
0 | 2150 overscan_info_present_flag = get_bits(gb, 1); |
2151 if (overscan_info_present_flag) { | |
2152 skip_bits(gb, 1); /* overscan_appropriate_flag */ | |
2153 } | |
2154 | |
2155 video_signal_type_present_flag = get_bits(gb, 1); | |
2156 if (video_signal_type_present_flag) { | |
2157 fprintf(stderr, "video_signal_type_present_flag must be 0\n"); | |
2158 return -1; | |
2159 } | |
2160 chroma_loc_info_present_flag = get_bits(gb, 1); | |
2161 if (chroma_loc_info_present_flag) { | |
2162 get_ue_golomb(gb); | |
2163 get_ue_golomb(gb); | |
2164 } | |
2165 skip_bits(gb, 1); /* neutra_chroma_indication_flag */ | |
2166 skip_bits(gb, 1); | |
2167 skip_bits(gb, 1); | |
2168 default_display_window_flag = get_bits(gb, 1); | |
2169 if (default_display_window_flag) { | |
2170 fprintf(stderr, "default_display_window_flag must be 0\n"); | |
2171 return -1; | |
2172 } | |
2173 vui_timing_info_present_flag = get_bits(gb, 1); | |
2174 if (vui_timing_info_present_flag) { | |
2175 skip_bits(gb, 32); | |
2176 skip_bits(gb, 32); | |
2177 vui_poc_proportional_to_timing_flag = get_bits(gb, 1); | |
2178 if (vui_poc_proportional_to_timing_flag) { | |
2179 get_ue_golomb(gb); | |
2180 } | |
2181 vui_hrd_parameters_present_flag = get_bits(gb, 1); | |
2182 if (vui_hrd_parameters_present_flag) { | |
2183 fprintf(stderr, "vui_hrd_parameters_present_flag must be 0\n"); | |
2184 return -1; | |
2185 } | |
2186 } | |
2187 bitstream_restriction_flag = get_bits(gb, 1); | |
2188 if (bitstream_restriction_flag) { | |
2189 skip_bits(gb, 1); | |
2190 skip_bits(gb, 1); | |
2191 skip_bits(gb, 1); | |
2192 get_ue_golomb(gb); | |
2193 get_ue_golomb(gb); | |
2194 get_ue_golomb(gb); | |
2195 get_ue_golomb(gb); | |
2196 get_ue_golomb(gb); | |
2197 } | |
2198 } | |
2199 sps_extension_flag = get_bits(gb, 1); | |
2200 sps_range_extension_flag = 0; | |
2201 sps_range_extension_flags = 0; | |
2202 if (sps_extension_flag) { | |
2203 sps_range_extension_flag = get_bits(gb, 1); | |
2204 sps_extension_7bits = get_bits(gb, 7); | |
2205 if (sps_extension_7bits != 0) { | |
2206 fprintf(stderr, "sps_extension_7bits must be 0\n"); | |
2207 return -1; | |
2208 } | |
2209 if (sps_range_extension_flag) { | |
2210 sps_range_extension_flags = get_bits(gb, 9); | |
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2211 if (sps_range_extension_flags & ((1 << (8 - 3)) | |
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2212 (1 << (8 - 4)) | |
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2213 (1 << (8 - 6)) | |
0 | 2214 (1 << (8 - 8)))) { |
2215 fprintf(stderr, "unsupported range extensions (0x%x)\n", | |
2216 sps_range_extension_flags); | |
2217 return -1; | |
2218 } | |
2219 } | |
2220 } | |
2221 | |
2222 /* build the modified SPS */ | |
2223 msps_buf = malloc(nal_len + 32); | |
2224 memset(msps_buf, 0, nal_len + 16); | |
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2225 |
0 | 2226 init_put_bits(pb, msps_buf); |
2227 put_ue_golomb(pb, log2_min_cb_size - 3); | |
2228 put_ue_golomb(pb, log2_diff_max_min_coding_block_size); | |
2229 put_ue_golomb(pb, log2_min_tb_size - 2); | |
2230 put_ue_golomb(pb, log2_diff_max_min_transform_block_size); | |
2231 put_ue_golomb(pb, max_transform_hierarchy_depth_intra); | |
2232 put_bits(pb, 1, sao_enabled); | |
2233 put_bits(pb, 1, pcm_enabled_flag); | |
2234 if (pcm_enabled_flag) { | |
2235 put_bits(pb, 4, pcm_sample_bit_depth_luma_minus1); | |
2236 put_bits(pb, 4, pcm_sample_bit_depth_chroma_minus1); | |
2237 put_ue_golomb(pb, log2_min_pcm_luma_coding_block_size_minus3); | |
2238 put_ue_golomb(pb, log2_diff_max_min_pcm_luma_coding_block_size); | |
2239 put_bits(pb, 1, pcm_loop_filter_disabled_flag); | |
2240 } | |
2241 put_bits(pb, 1, sps_strong_intra_smoothing_enable_flag); | |
2242 put_bits(pb, 1, sps_extension_flag); | |
2243 if (sps_extension_flag) { | |
2244 put_bits(pb, 1, sps_range_extension_flag); | |
2245 put_bits(pb, 7, 0); | |
2246 if (sps_range_extension_flag) { | |
2247 put_bits(pb, 9, sps_range_extension_flags); | |
2248 } | |
2249 } | |
2250 msps_buf_len = (pb->idx + 7) >> 3; | |
2251 | |
2252 out_buf_len_max = 5 + msps_buf_len; | |
2253 out_buf = malloc(out_buf_len_max); | |
2254 | |
2255 // printf("msps_n_bits=%d\n", pb->idx); | |
2256 p = out_buf; | |
2257 put_ue(&p, msps_buf_len); /* header length */ | |
2258 | |
2259 memcpy(p, msps_buf, msps_buf_len); | |
2260 p += msps_buf_len; | |
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2261 |
0 | 2262 out_buf_len = p - out_buf; |
2263 free(msps_buf); | |
2264 free(nal_buf); | |
2265 } | |
2266 *pout_buf = out_buf; | |
2267 *pout_buf_len = out_buf_len; | |
2268 return idx; | |
2269 } | |
2270 | |
2271 static int add_frame_duration_sei(DynBuf *out_buf, uint16_t frame_ticks) | |
2272 { | |
2273 uint8_t nal_buf[128], *q; | |
2274 int nut, nal_len; | |
2275 | |
2276 q = nal_buf; | |
2277 *q++ = 0x00; | |
2278 *q++ = 0x00; | |
2279 *q++ = 0x01; | |
2280 nut = 39; /* prefix SEI NUT */ | |
2281 *q++ = (nut << 1); | |
2282 *q++ = 1; | |
2283 *q++ = 0xff; /* payload_type = 257 */ | |
2284 *q++ = 0x02; | |
2285 *q++ = 2; /* payload_size = 2 */ | |
2286 *q++ = frame_ticks >> 8; | |
2287 *q++ = frame_ticks; | |
2288 *q++ = 0x80; /* extra '1' bit and align to byte */ | |
2289 /* Note: the 0x00 0x00 b pattern with b <= 3 cannot happen, so no | |
2290 need to escape */ | |
2291 nal_len = q - nal_buf; | |
2292 if (dyn_buf_resize(out_buf, out_buf->len + nal_len) < 0) | |
2293 return -1; | |
2294 memcpy(out_buf->buf + out_buf->len, nal_buf, nal_len); | |
2295 out_buf->len += nal_len; | |
2296 return 0; | |
2297 } | |
2298 | |
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|
2299 static int build_modified_hevc(uint8_t **pout_buf, |
0 | 2300 const uint8_t *cbuf, int cbuf_len, |
2301 const uint8_t *abuf, int abuf_len, | |
2302 const uint16_t *frame_duration_tab, | |
2303 int frame_count) | |
2304 { | |
2305 DynBuf out_buf_s, *out_buf = &out_buf_s; | |
2306 uint8_t *msps; | |
2307 const uint8_t *nal_buf; | |
2308 int msps_len, cidx, aidx, is_alpha, nal_len, first_nal, start, l, frame_num; | |
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2309 |
0 | 2310 dyn_buf_init(out_buf); |
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2311 |
0 | 2312 /* add alpha MSPS */ |
2313 aidx = 0; /* avoids warning */ | |
2314 if (abuf) { | |
2315 aidx = build_modified_sps(&msps, &msps_len, abuf, abuf_len); | |
2316 if (aidx < 0) | |
2317 goto fail; | |
2318 if (dyn_buf_resize(out_buf, out_buf->len + msps_len) < 0) | |
2319 goto fail; | |
2320 memcpy(out_buf->buf + out_buf->len, msps, msps_len); | |
2321 out_buf->len += msps_len; | |
2322 free(msps); | |
2323 } | |
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2324 |
0 | 2325 /* add color MSPS */ |
2326 cidx = build_modified_sps(&msps, &msps_len, cbuf, cbuf_len); | |
2327 if (cidx < 0) | |
2328 goto fail; | |
2329 if (dyn_buf_resize(out_buf, out_buf->len + msps_len) < 0) | |
2330 goto fail; | |
2331 memcpy(out_buf->buf + out_buf->len, msps, msps_len); | |
2332 out_buf->len += msps_len; | |
2333 free(msps); | |
2334 | |
2335 /* add the remaining NALs, alternating between alpha (if present) | |
2336 and color. */ | |
2337 is_alpha = (abuf != NULL); | |
2338 first_nal = 1; | |
2339 frame_num = 0; | |
2340 for(;;) { | |
2341 if (!is_alpha) { | |
2342 if (cidx >= cbuf_len) { | |
2343 if (abuf) { | |
2344 fprintf(stderr, "Incorrect number of alpha NALs\n"); | |
2345 goto fail; | |
2346 } | |
2347 break; | |
2348 } | |
2349 nal_buf = cbuf + cidx; | |
2350 nal_len = find_nal_end(nal_buf, cbuf_len - cidx); | |
2351 // printf("cidx=%d/%d nal_len=%d\n", cidx, cbuf_len, nal_len); | |
2352 if (nal_len < 0) | |
2353 goto fail; | |
2354 cidx += nal_len; | |
2355 } else { | |
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2356 if (aidx >= abuf_len) |
0 | 2357 break; |
2358 nal_buf = abuf + aidx; | |
2359 nal_len = find_nal_end(nal_buf, abuf_len - aidx); | |
2360 // printf("aidx=%d/%d nal_len=%d\n", aidx, abuf_len, nal_len); | |
2361 if (nal_len < 0) | |
2362 goto fail; | |
2363 aidx += nal_len; | |
2364 } | |
2365 start = 3 + (nal_buf[2] == 0); | |
2366 if (!is_alpha) { | |
2367 int nut; | |
2368 /* add SEI NAL for the frame duration (animation case) */ | |
2369 nut = (nal_buf[start] >> 1) & 0x3f; | |
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2370 if ((nut <= 9 || (nut >= 16 && nut <= 21)) && |
0 | 2371 start + 2 < nal_len && (nal_buf[start + 2] & 0x80)) { |
2372 int frame_ticks; | |
2373 assert(frame_num < frame_count); | |
2374 frame_ticks = frame_duration_tab[frame_num]; | |
2375 if (frame_ticks > 1) { | |
2376 add_frame_duration_sei(out_buf, frame_ticks); | |
2377 } | |
2378 frame_num++; | |
2379 } | |
2380 } | |
2381 if (first_nal) { | |
2382 /* skip first start code */ | |
2383 l = start; | |
2384 } else { | |
2385 l = 0; | |
2386 } | |
2387 if (dyn_buf_resize(out_buf, out_buf->len + nal_len - l) < 0) | |
2388 goto fail; | |
2389 // printf("add nal len=%d\n", nal_len - l); | |
2390 memcpy(out_buf->buf + out_buf->len, nal_buf + l, nal_len - l); | |
2391 if (is_alpha) { | |
2392 /* set nul_layer_id of alpha to '1' */ | |
2393 out_buf->buf[out_buf->len + (start - l) + 1] |= 1 << 3; | |
2394 } | |
2395 out_buf->len += nal_len - l; | |
2396 | |
2397 if (abuf) { | |
2398 is_alpha ^= 1; | |
2399 } | |
2400 first_nal = 0; | |
2401 } | |
2402 *pout_buf = out_buf->buf; | |
2403 return out_buf->len; | |
2404 fail: | |
2405 free(out_buf->buf); | |
2406 return -1; | |
2407 } | |
2408 | |
2409 typedef enum { | |
2410 #if defined(USE_X265) | |
2411 HEVC_ENCODER_X265, | |
2412 #endif | |
2413 #if defined(USE_JCTVC) | |
2414 HEVC_ENCODER_JCTVC, | |
2415 #endif | |
2416 | |
2417 HEVC_ENCODER_COUNT, | |
2418 } HEVCEncoderEnum; | |
2419 | |
2420 static char *hevc_encoder_name[HEVC_ENCODER_COUNT] = { | |
2421 #if defined(USE_X265) | |
2422 "x265", | |
2423 #endif | |
2424 #if defined(USE_JCTVC) | |
2425 "jctvc", | |
2426 #endif | |
2427 }; | |
2428 | |
2429 static HEVCEncoder *hevc_encoder_tab[HEVC_ENCODER_COUNT] = { | |
2430 #if defined(USE_X265) | |
2431 &x265_hevc_encoder, | |
2432 #endif | |
2433 #if defined(USE_JCTVC) | |
2434 &jctvc_encoder, | |
2435 #endif | |
2436 }; | |
2437 | |
2438 #define IMAGE_HEADER_MAGIC 0x425047fb | |
2439 | |
2440 #define DEFAULT_OUTFILENAME "out.bpg" | |
2441 #define DEFAULT_QP 29 | |
2442 #define DEFAULT_BIT_DEPTH 8 | |
2443 | |
2444 #ifdef RExt__HIGH_BIT_DEPTH_SUPPORT | |
2445 #define BIT_DEPTH_MAX 14 | |
2446 #else | |
2447 #define BIT_DEPTH_MAX 12 | |
2448 #endif | |
2449 #define DEFAULT_COMPRESS_LEVEL 8 | |
2450 | |
2451 | |
2452 typedef struct BPGEncoderContext BPGEncoderContext; | |
2453 | |
2454 typedef struct BPGEncoderParameters { | |
2455 int qp; /* 0 ... 51 */ | |
2456 int alpha_qp; /* -1 ... 51. -1 means same as qp */ | |
2457 int lossless; /* true if lossless compression (qp and alpha_qp are | |
2458 ignored) */ | |
2459 BPGImageFormatEnum preferred_chroma_format; | |
2460 int sei_decoded_picture_hash; /* 0, 1 */ | |
2461 int compress_level; /* 1 ... 9 */ | |
2462 int verbose; | |
2463 HEVCEncoderEnum encoder_type; | |
2464 int animated; /* 0 ... 1: if true, encode as animated image */ | |
2465 uint16_t loop_count; /* animations: number of loops. 0=infinite */ | |
2466 /* animations: the frame delay is a multiple of | |
2467 frame_delay_num/frame_delay_den seconds */ | |
2468 uint16_t frame_delay_num; | |
2469 uint16_t frame_delay_den; | |
2470 } BPGEncoderParameters; | |
2471 | |
2472 typedef int BPGEncoderWriteFunc(void *opaque, const uint8_t *buf, int buf_len); | |
2473 | |
2474 struct BPGEncoderContext { | |
2475 BPGEncoderParameters params; | |
2476 BPGMetaData *first_md; | |
2477 HEVCEncoder *encoder; | |
2478 int frame_count; | |
2479 HEVCEncoderContext *enc_ctx; | |
2480 HEVCEncoderContext *alpha_enc_ctx; | |
2481 int frame_ticks; | |
2482 uint16_t *frame_duration_tab; | |
2483 int frame_duration_tab_size; | |
2484 }; | |
2485 | |
2486 void *mallocz(size_t size) | |
2487 { | |
2488 void *ptr; | |
2489 ptr = malloc(size); | |
2490 if (!ptr) | |
2491 return NULL; | |
2492 memset(ptr, 0, size); | |
2493 return ptr; | |
2494 } | |
2495 | |
2496 BPGEncoderParameters *bpg_encoder_param_alloc(void) | |
2497 { | |
2498 BPGEncoderParameters *p; | |
2499 p = mallocz(sizeof(BPGEncoderParameters)); | |
2500 if (!p) | |
2501 return NULL; | |
2502 p->qp = DEFAULT_QP; | |
2503 p->alpha_qp = -1; | |
2504 p->preferred_chroma_format = BPG_FORMAT_420; | |
2505 p->compress_level = DEFAULT_COMPRESS_LEVEL; | |
2506 p->frame_delay_num = 1; | |
2507 p->frame_delay_den = 25; | |
2508 p->loop_count = 0; | |
2509 return p; | |
2510 } | |
2511 | |
2512 void bpg_encoder_param_free(BPGEncoderParameters *p) | |
2513 { | |
2514 free(p); | |
2515 } | |
2516 | |
2517 BPGEncoderContext *bpg_encoder_open(BPGEncoderParameters *p) | |
2518 { | |
2519 BPGEncoderContext *s; | |
2520 | |
2521 s = mallocz(sizeof(BPGEncoderContext)); | |
2522 if (!s) | |
2523 return NULL; | |
2524 s->params = *p; | |
2525 s->encoder = hevc_encoder_tab[s->params.encoder_type]; | |
2526 s->frame_ticks = 1; | |
2527 return s; | |
2528 } | |
2529 | |
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2530 void bpg_encoder_set_extension_data(BPGEncoderContext *s, |
0 | 2531 BPGMetaData *md) |
2532 { | |
2533 s->first_md = md; | |
2534 } | |
2535 | |
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2536 static int bpg_encoder_encode_trailer(BPGEncoderContext *s, |
0 | 2537 BPGEncoderWriteFunc *write_func, |
2538 void *opaque) | |
2539 { | |
2540 uint8_t *out_buf, *alpha_buf, *hevc_buf; | |
2541 int out_buf_len, alpha_buf_len, hevc_buf_len; | |
2542 | |
2543 out_buf_len = s->encoder->close(s->enc_ctx, &out_buf); | |
2544 if (out_buf_len < 0) { | |
2545 fprintf(stderr, "Error while encoding picture\n"); | |
2546 exit(1); | |
2547 } | |
2548 s->enc_ctx = NULL; | |
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2549 |
0 | 2550 alpha_buf = NULL; |
2551 alpha_buf_len = 0; | |
2552 if (s->alpha_enc_ctx) { | |
2553 alpha_buf_len = s->encoder->close(s->alpha_enc_ctx, &alpha_buf); | |
2554 if (alpha_buf_len < 0) { | |
2555 fprintf(stderr, "Error while encoding picture (alpha plane)\n"); | |
2556 exit(1); | |
2557 } | |
2558 s->alpha_enc_ctx = NULL; | |
2559 } | |
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2560 |
0 | 2561 hevc_buf = NULL; |
2562 hevc_buf_len = build_modified_hevc(&hevc_buf, out_buf, out_buf_len, | |
2563 alpha_buf, alpha_buf_len, | |
2564 s->frame_duration_tab, s->frame_count); | |
2565 if (hevc_buf_len < 0) { | |
2566 fprintf(stderr, "Error while creating HEVC data\n"); | |
2567 exit(1); | |
2568 } | |
2569 free(out_buf); | |
2570 free(alpha_buf); | |
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2571 |
0 | 2572 if (write_func(opaque, hevc_buf, hevc_buf_len) != hevc_buf_len) { |
2573 fprintf(stderr, "Error while writing HEVC data\n"); | |
2574 exit(1); | |
2575 } | |
2576 free(hevc_buf); | |
2577 return 0; | |
2578 } | |
2579 | |
2580 int bpg_encoder_set_frame_duration(BPGEncoderContext *s, int frame_ticks) | |
2581 { | |
2582 if (frame_ticks >= 1 && frame_ticks <= 65535) { | |
2583 s->frame_ticks = frame_ticks; | |
2584 return 0; | |
2585 } else { | |
2586 return -1; | |
2587 } | |
2588 } | |
2589 | |
2590 /* Warning: currently 'img' is modified. When encoding animations, img | |
2591 = NULL indicates the end of the stream. */ | |
2592 int bpg_encoder_encode(BPGEncoderContext *s, Image *img, | |
2593 BPGEncoderWriteFunc *write_func, | |
2594 void *opaque) | |
2595 { | |
2596 const BPGEncoderParameters *p = &s->params; | |
2597 Image *img_alpha; | |
2598 HEVCEncodeParams ep_s, *ep = &ep_s; | |
2599 uint8_t *extension_buf; | |
2600 int extension_buf_len; | |
2601 int cb_size, width, height; | |
2602 | |
2603 if (p->animated && !img) { | |
2604 return bpg_encoder_encode_trailer(s, write_func, opaque); | |
2605 } | |
2606 | |
2607 /* extract the alpha plane */ | |
2608 if (img->has_alpha) { | |
2609 int c_idx; | |
2610 | |
2611 img_alpha = malloc(sizeof(Image)); | |
2612 memset(img_alpha, 0, sizeof(*img_alpha)); | |
2613 if (img->format == BPG_FORMAT_GRAY) | |
2614 c_idx = 1; | |
2615 else | |
2616 c_idx = 3; | |
2617 | |
2618 img_alpha->w = img->w; | |
2619 img_alpha->h = img->h; | |
2620 img_alpha->format = BPG_FORMAT_GRAY; | |
2621 img_alpha->has_alpha = 0; | |
2622 img_alpha->color_space = BPG_CS_YCbCr; | |
2623 img_alpha->bit_depth = img->bit_depth; | |
2624 img_alpha->pixel_shift = img->pixel_shift; | |
2625 img_alpha->data[0] = img->data[c_idx]; | |
2626 img_alpha->linesize[0] = img->linesize[c_idx]; | |
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2627 |
0 | 2628 img->data[c_idx] = NULL; |
2629 img->has_alpha = 0; | |
2630 } else { | |
2631 img_alpha = NULL; | |
2632 } | |
2633 | |
2634 if (img->format == BPG_FORMAT_444 && img->color_space != BPG_CS_RGB) { | |
2635 if (p->preferred_chroma_format == BPG_FORMAT_420 || | |
2636 p->preferred_chroma_format == BPG_FORMAT_420_VIDEO) { | |
2637 int c_h_phase = (p->preferred_chroma_format == BPG_FORMAT_420); | |
2638 if (image_ycc444_to_ycc420(img, c_h_phase) != 0) | |
2639 goto error_convert; | |
2640 } else if (p->preferred_chroma_format == BPG_FORMAT_422 || | |
2641 p->preferred_chroma_format == BPG_FORMAT_422_VIDEO) { | |
2642 int c_h_phase = (p->preferred_chroma_format == BPG_FORMAT_422); | |
2643 if (image_ycc444_to_ycc422(img, c_h_phase) != 0) { | |
2644 error_convert: | |
2645 fprintf(stderr, "Cannot convert image\n"); | |
2646 exit(1); | |
2647 } | |
2648 } | |
2649 } | |
2650 | |
2651 cb_size = 8; /* XXX: should make it configurable. We assume the | |
2652 HEVC encoder uses the same value */ | |
2653 width = img->w; | |
2654 height = img->h; | |
2655 image_pad(img, cb_size); | |
2656 if (img_alpha) | |
2657 image_pad(img_alpha, cb_size); | |
2658 | |
2659 /* convert to the allocated pixel width to 8 bit if needed by the | |
2660 HEVC encoder */ | |
2661 if (img->bit_depth == 8) { | |
2662 image_convert16to8(img); | |
2663 if (img_alpha) | |
2664 image_convert16to8(img_alpha); | |
2665 } | |
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|
2666 |
0 | 2667 if (s->frame_count == 0) { |
2668 memset(ep, 0, sizeof(*ep)); | |
2669 ep->qp = p->qp; | |
2670 ep->width = img->w; | |
2671 ep->height = img->h; | |
2672 ep->chroma_format = img->format; | |
2673 ep->bit_depth = img->bit_depth; | |
2674 ep->intra_only = !p->animated; | |
2675 ep->lossless = p->lossless; | |
2676 ep->sei_decoded_picture_hash = p->sei_decoded_picture_hash; | |
2677 ep->compress_level = p->compress_level; | |
2678 ep->verbose = p->verbose; | |
2679 | |
2680 s->enc_ctx = s->encoder->open(ep); | |
2681 if (!s->enc_ctx) { | |
2682 fprintf(stderr, "Error while opening encoder\n"); | |
2683 exit(1); | |
2684 } | |
2685 | |
2686 if (img_alpha) { | |
2687 if (p->alpha_qp < 0) | |
2688 ep->qp = p->qp; | |
2689 else | |
2690 ep->qp = p->alpha_qp; | |
2691 ep->chroma_format = 0; | |
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2692 |
0 | 2693 s->alpha_enc_ctx = s->encoder->open(ep); |
2694 if (!s->alpha_enc_ctx) { | |
2695 fprintf(stderr, "Error while opening alpha encoder\n"); | |
2696 exit(1); | |
2697 } | |
2698 } | |
2699 | |
2700 /* prepare the extension data */ | |
2701 if (p->animated) { | |
2702 BPGMetaData *md; | |
2703 uint8_t buf[15], *q; | |
2704 | |
2705 md = bpg_md_alloc(BPG_EXTENSION_TAG_ANIM_CONTROL); | |
2706 q = buf; | |
2707 put_ue(&q, p->loop_count); | |
2708 put_ue(&q, p->frame_delay_num); | |
2709 put_ue(&q, p->frame_delay_den); | |
2710 md->buf_len = q - buf; | |
2711 md->buf = malloc(md->buf_len); | |
2712 memcpy(md->buf, buf, md->buf_len); | |
2713 md->next = s->first_md; | |
2714 s->first_md = md; | |
2715 } | |
2716 | |
2717 extension_buf = NULL; | |
2718 extension_buf_len = 0; | |
2719 if (s->first_md) { | |
2720 BPGMetaData *md1; | |
2721 int max_len; | |
2722 uint8_t *q; | |
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2723 |
0 | 2724 max_len = 0; |
2725 for(md1 = s->first_md; md1 != NULL; md1 = md1->next) { | |
2726 max_len += md1->buf_len + 5 * 2; | |
2727 } | |
2728 extension_buf = malloc(max_len); | |
2729 q = extension_buf; | |
2730 for(md1 = s->first_md; md1 != NULL; md1 = md1->next) { | |
2731 put_ue(&q, md1->tag); | |
2732 put_ue(&q, md1->buf_len); | |
2733 memcpy(q, md1->buf, md1->buf_len); | |
2734 q += md1->buf_len; | |
2735 } | |
2736 extension_buf_len = q - extension_buf; | |
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2737 |
0 | 2738 bpg_md_free(s->first_md); |
2739 s->first_md = NULL; | |
2740 } | |
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2741 |
0 | 2742 { |
2743 uint8_t img_header[128], *q; | |
2744 int v, has_alpha, has_extension, alpha2_flag, alpha1_flag, format; | |
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2745 |
0 | 2746 has_alpha = (img_alpha != NULL); |
2747 has_extension = (extension_buf_len > 0); | |
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2748 |
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2749 |
0 | 2750 if (has_alpha) { |
2751 if (img->has_w_plane) { | |
2752 alpha1_flag = 0; | |
2753 alpha2_flag = 1; | |
2754 } else { | |
2755 alpha1_flag = 1; | |
2756 alpha2_flag = img->premultiplied_alpha; | |
2757 } | |
2758 } else { | |
2759 alpha1_flag = 0; | |
2760 alpha2_flag = 0; | |
2761 } | |
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2762 |
0 | 2763 q = img_header; |
2764 *q++ = (IMAGE_HEADER_MAGIC >> 24) & 0xff; | |
2765 *q++ = (IMAGE_HEADER_MAGIC >> 16) & 0xff; | |
2766 *q++ = (IMAGE_HEADER_MAGIC >> 8) & 0xff; | |
2767 *q++ = (IMAGE_HEADER_MAGIC >> 0) & 0xff; | |
2768 | |
2769 if (img->c_h_phase == 0 && img->format == BPG_FORMAT_420) | |
2770 format = BPG_FORMAT_420_VIDEO; | |
2771 else if (img->c_h_phase == 0 && img->format == BPG_FORMAT_422) | |
2772 format = BPG_FORMAT_422_VIDEO; | |
2773 else | |
2774 format = img->format; | |
2775 v = (format << 5) | (alpha1_flag << 4) | (img->bit_depth - 8); | |
2776 *q++ = v; | |
2777 v = (img->color_space << 4) | (has_extension << 3) | | |
2778 (alpha2_flag << 2) | (img->limited_range << 1) | | |
2779 p->animated; | |
2780 *q++ = v; | |
2781 put_ue(&q, width); | |
2782 put_ue(&q, height); | |
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changeset
|
2783 |
0 | 2784 put_ue(&q, 0); /* zero length means up to the end of the file */ |
2785 if (has_extension) { | |
2786 put_ue(&q, extension_buf_len); /* extension data length */ | |
2787 } | |
5
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
2788 |
0 | 2789 write_func(opaque, img_header, q - img_header); |
5
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Cosmetics: Remove trailing whitespace.
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parents:
4
diff
changeset
|
2790 |
0 | 2791 if (has_extension) { |
2792 if (write_func(opaque, extension_buf, extension_buf_len) != extension_buf_len) { | |
2793 fprintf(stderr, "Error while writing extension data\n"); | |
2794 exit(1); | |
2795 } | |
2796 free(extension_buf); | |
2797 } | |
2798 } | |
2799 } | |
2800 | |
2801 /* store the frame duration */ | |
2802 if ((s->frame_count + 1) > s->frame_duration_tab_size) { | |
2803 s->frame_duration_tab_size = (s->frame_duration_tab_size * 3) / 2; | |
2804 if (s->frame_duration_tab_size < (s->frame_count + 1)) | |
2805 s->frame_duration_tab_size = (s->frame_count + 1); | |
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diff
changeset
|
2806 s->frame_duration_tab = realloc(s->frame_duration_tab, |
0 | 2807 sizeof(s->frame_duration_tab) * s->frame_duration_tab_size); |
2808 } | |
2809 s->frame_duration_tab[s->frame_count] = s->frame_ticks; | |
2810 | |
2811 s->encoder->encode(s->enc_ctx, img); | |
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diff
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|
2812 |
0 | 2813 if (img_alpha) { |
2814 s->encoder->encode(s->alpha_enc_ctx, img_alpha); | |
2815 image_free(img_alpha); | |
2816 } | |
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Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
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4
diff
changeset
|
2817 |
0 | 2818 s->frame_count++; |
2819 | |
2820 if (!p->animated) | |
2821 bpg_encoder_encode_trailer(s, write_func, opaque); | |
2822 | |
2823 return 0; | |
2824 } | |
2825 | |
2826 void bpg_encoder_close(BPGEncoderContext *s) | |
2827 { | |
2828 free(s->frame_duration_tab); | |
2829 bpg_md_free(s->first_md); | |
2830 free(s); | |
2831 } | |
2832 | |
2833 static int my_write_func(void *opaque, const uint8_t *buf, int buf_len) | |
2834 { | |
2835 FILE *f = opaque; | |
2836 return fwrite(buf, 1, buf_len, f); | |
2837 } | |
2838 | |
2839 static int get_filename_num(char *buf, int buf_size, const char *str, int n) | |
2840 { | |
15
29527d65b71a
Fix assigned-but-unused variable warning.
Matti Hamalainen <ccr@tnsp.org>
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14
diff
changeset
|
2841 const char *p; |
0 | 2842 char *q; |
2843 int l, c; | |
2844 | |
2845 q = buf; | |
2846 p = str; | |
2847 for(;;) { | |
2848 c = *p++; | |
2849 if (c == '\0') | |
2850 break; | |
2851 if (c == '%') { | |
2852 l = 0; | |
2853 for(;;) { | |
2854 c = *p; | |
2855 if (c < '0' || c > '9') | |
2856 break; | |
2857 l = l * 10 + (c - '0'); | |
2858 p++; | |
2859 } | |
2860 c = *p++; | |
2861 if (c == '%') { | |
2862 goto add_char; | |
2863 } else if (c != 'd') { | |
2864 return -1; | |
2865 } | |
2866 snprintf(q, buf + buf_size - q, "%0*u", l, n); | |
2867 q += strlen(q); | |
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diff
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|
2868 |
0 | 2869 } else { |
2870 add_char: | |
2871 if ((q - buf) < buf_size - 1) | |
2872 *q++ = c; | |
2873 } | |
2874 } | |
2875 *q = '\0'; | |
2876 return 0; | |
2877 } | |
2878 | |
2879 void help(int is_full) | |
2880 { | |
2881 char hevc_encoders[128]; | |
2882 int i; | |
2883 | |
2884 hevc_encoders[0] = '\0'; | |
2885 for(i = 0; i < HEVC_ENCODER_COUNT; i++) { | |
2886 if (i != 0) | |
2887 strcat(hevc_encoders, " "); | |
2888 strcat(hevc_encoders, hevc_encoder_name[i]); | |
2889 } | |
5
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Matti Hamalainen <ccr@tnsp.org>
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4
diff
changeset
|
2890 |
0 | 2891 printf("BPG Image Encoder version " CONFIG_BPG_VERSION "\n" |
5
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diff
changeset
|
2892 "usage: bpgenc [options] infile.[jpg|png|tiff]\n" |
0 | 2893 "\n" |
2894 "Main options:\n" | |
2895 "-h show the full help (including the advanced options)\n" | |
2896 "-o outfile set output filename (default = %s)\n" | |
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Matti Hamalainen <ccr@tnsp.org>
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diff
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|
2897 "-q qp set quantizer parameter (smaller gives better quality,\n" |
0 | 2898 " range: 0-51, default = %d)\n" |
2899 "-f cfmt set the preferred chroma format (420, 422, 444,\n" | |
2900 " default=420)\n" | |
2901 "-c color_space set the preferred color space (ycbcr, rgb, ycgco,\n" | |
2902 " ycbcr_bt709, ycbcr_bt2020, default=ycbcr)\n" | |
2903 "-b bit_depth set the bit depth (8 to %d, default = %d)\n" | |
2904 "-lossless enable lossless mode\n" | |
2905 "-e encoder select the HEVC encoder (%s, default = %s)\n" | |
2906 "-m level select the compression level (1=fast, 9=slow, default = %d)\n" | |
2907 "\n" | |
2908 "Animation options:\n" | |
2909 "-a generate animations from a sequence of images. Use %%d or\n" | |
2910 " %%Nd (N = number of digits) in the filename to specify the\n" | |
2911 " image index, starting from 0 or 1.\n" | |
2912 "-fps N set the frame rate (default = 25)\n" | |
2913 "-loop N set the number of times the animation is played. 0 means\n" | |
2914 " infinite (default = 0)\n" | |
2915 "-delayfile file text file containing one number per image giving the\n" | |
2916 " display delay per image in centiseconds.\n" | |
2917 , DEFAULT_OUTFILENAME, DEFAULT_QP, BIT_DEPTH_MAX, DEFAULT_BIT_DEPTH, | |
2918 hevc_encoders, hevc_encoder_name[0], DEFAULT_COMPRESS_LEVEL); | |
2919 | |
2920 if (is_full) { | |
2921 printf("\nAdvanced options:\n" | |
2922 "-alphaq set quantizer parameter for the alpha channel (default = same as -q value)\n" | |
2923 "-premul store the color with premultiplied alpha\n" | |
2924 "-limitedrange encode the color data with the limited range of video\n" | |
2925 "-hash include MD5 hash in HEVC bitstream\n" | |
2926 "-keepmetadata keep the metadata (from JPEG: EXIF, ICC profile, XMP, from PNG: ICC profile)\n" | |
2927 "-v show debug messages\n" | |
2928 ); | |
2929 } | |
2930 | |
2931 exit(1); | |
2932 } | |
2933 | |
2934 struct option long_opts[] = { | |
16
86b6c976ef2d
Fix some warnings by adding missing field initializers for long opts.
Matti Hamalainen <ccr@tnsp.org>
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15
diff
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|
2935 { "hash" , no_argument , NULL, 0 }, |
86b6c976ef2d
Fix some warnings by adding missing field initializers for long opts.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
2936 { "keepmetadata" , no_argument , NULL, 0 }, |
86b6c976ef2d
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Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
2937 { "alphaq" , required_argument , NULL, 0 }, |
86b6c976ef2d
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Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
2938 { "lossless" , no_argument , NULL, 0 }, |
86b6c976ef2d
Fix some warnings by adding missing field initializers for long opts.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
2939 { "limitedrange" , no_argument , NULL, 0 }, |
86b6c976ef2d
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Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
2940 { "premul" , no_argument , NULL, 0 }, |
86b6c976ef2d
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Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
2941 { "loop" , required_argument , NULL, 0 }, |
86b6c976ef2d
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Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
2942 { "fps" , required_argument , NULL, 0 }, |
86b6c976ef2d
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Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
2943 { "delayfile" , required_argument , NULL, 0 }, |
86b6c976ef2d
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Matti Hamalainen <ccr@tnsp.org>
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15
diff
changeset
|
2944 { NULL , 0 , NULL, 0 }, |
0 | 2945 }; |
2946 | |
2947 int main(int argc, char **argv) | |
2948 { | |
2949 const char *infilename, *outfilename, *frame_delay_file; | |
2950 Image *img; | |
2951 FILE *f; | |
2952 int c, option_index; | |
2953 int keep_metadata; | |
2954 int bit_depth, i, limited_range, premultiplied_alpha; | |
2955 BPGColorSpaceEnum color_space; | |
2956 BPGMetaData *md; | |
2957 BPGEncoderContext *enc_ctx; | |
2958 BPGEncoderParameters *p; | |
2959 | |
2960 p = bpg_encoder_param_alloc(); | |
2961 | |
2962 outfilename = DEFAULT_OUTFILENAME; | |
2963 color_space = BPG_CS_YCbCr; | |
2964 keep_metadata = 0; | |
2965 bit_depth = DEFAULT_BIT_DEPTH; | |
2966 limited_range = 0; | |
2967 premultiplied_alpha = 0; | |
2968 frame_delay_file = NULL; | |
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diff
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|
2969 |
0 | 2970 for(;;) { |
2971 c = getopt_long_only(argc, argv, "q:o:hf:c:vm:b:e:a", long_opts, &option_index); | |
2972 if (c == -1) | |
2973 break; | |
2974 switch(c) { | |
2975 case 0: | |
2976 switch(option_index) { | |
2977 case 0: | |
2978 p->sei_decoded_picture_hash = 1; | |
2979 break; | |
2980 case 1: | |
2981 keep_metadata = 1; | |
2982 break; | |
2983 case 2: | |
2984 p->alpha_qp = atoi(optarg); | |
2985 if (p->alpha_qp < 0 || p->alpha_qp > 51) { | |
2986 fprintf(stderr, "alpha_qp must be between 0 and 51\n"); | |
2987 exit(1); | |
2988 } | |
2989 break; | |
2990 case 3: | |
2991 p->lossless = 1; | |
2992 color_space = BPG_CS_RGB; | |
2993 p->preferred_chroma_format = BPG_FORMAT_444; | |
2994 bit_depth = 8; | |
2995 limited_range = 0; | |
2996 break; | |
2997 case 4: | |
2998 limited_range = 1; | |
2999 break; | |
3000 case 5: | |
3001 premultiplied_alpha = 1; | |
3002 break; | |
3003 case 6: | |
3004 p->loop_count = strtoul(optarg, NULL, 0); | |
3005 break; | |
3006 case 7: | |
3007 p->frame_delay_num = 1; | |
3008 p->frame_delay_den = strtoul(optarg, NULL, 0); | |
3009 if (p->frame_delay_den == 0) { | |
3010 fprintf(stderr, "invalid frame rate\n"); | |
3011 exit(1); | |
3012 } | |
3013 break; | |
3014 case 8: | |
3015 frame_delay_file = optarg; | |
3016 break; | |
3017 default: | |
3018 goto show_help; | |
3019 } | |
3020 break; | |
3021 case 'h': | |
3022 show_help: | |
3023 help(1); | |
3024 break; | |
3025 case 'q': | |
3026 p->qp = atoi(optarg); | |
3027 if (p->qp < 0 || p->qp > 51) { | |
3028 fprintf(stderr, "qp must be between 0 and 51\n"); | |
3029 exit(1); | |
3030 } | |
3031 break; | |
3032 case 'o': | |
3033 outfilename = optarg; | |
3034 break; | |
3035 case 'f': | |
3036 if (!strcmp(optarg, "420")) { | |
3037 p->preferred_chroma_format = BPG_FORMAT_420; | |
3038 } else if (!strcmp(optarg, "422")) { | |
3039 p->preferred_chroma_format = BPG_FORMAT_422; | |
3040 } else if (!strcmp(optarg, "444")) { | |
3041 p->preferred_chroma_format = BPG_FORMAT_444; | |
3042 } else if (!strcmp(optarg, "422_video")) { | |
3043 p->preferred_chroma_format = BPG_FORMAT_422_VIDEO; | |
3044 } else if (!strcmp(optarg, "420_video")) { | |
3045 p->preferred_chroma_format = BPG_FORMAT_420_VIDEO; | |
3046 } else { | |
3047 fprintf(stderr, "Invalid chroma format\n"); | |
3048 exit(1); | |
3049 } | |
3050 break; | |
3051 case 'c': | |
3052 if (!strcmp(optarg, "ycbcr")) { | |
3053 color_space = BPG_CS_YCbCr; | |
3054 } else if (!strcmp(optarg, "rgb")) { | |
3055 color_space = BPG_CS_RGB; | |
3056 p->preferred_chroma_format = BPG_FORMAT_444; | |
3057 } else if (!strcmp(optarg, "ycgco")) { | |
3058 color_space = BPG_CS_YCgCo; | |
3059 } else if (!strcmp(optarg, "ycbcr_bt709")) { | |
3060 color_space = BPG_CS_YCbCr_BT709; | |
3061 } else if (!strcmp(optarg, "ycbcr_bt2020")) { | |
3062 color_space = BPG_CS_YCbCr_BT2020; | |
3063 } else { | |
3064 fprintf(stderr, "Invalid color space format\n"); | |
3065 exit(1); | |
3066 } | |
3067 break; | |
3068 case 'm': | |
3069 p->compress_level = atoi(optarg); | |
3070 if (p->compress_level < 1) | |
3071 p->compress_level = 1; | |
3072 else if (p->compress_level > 9) | |
3073 p->compress_level = 9; | |
3074 break; | |
3075 case 'b': | |
3076 bit_depth = atoi(optarg); | |
3077 if (bit_depth < 8 || bit_depth > BIT_DEPTH_MAX) { | |
3078 fprintf(stderr, "Invalid bit depth (range: 8 to %d)\n", | |
3079 BIT_DEPTH_MAX); | |
3080 exit(1); | |
3081 } | |
3082 break; | |
3083 case 'v': | |
3084 p->verbose++; | |
3085 break; | |
3086 case 'e': | |
3087 for(i = 0; i < HEVC_ENCODER_COUNT; i++) { | |
3088 if (!strcmp(optarg, hevc_encoder_name[i])) | |
3089 break; | |
3090 } | |
3091 if (i == HEVC_ENCODER_COUNT) { | |
3092 fprintf(stderr, "Unsupported encoder. Available ones are:"); | |
3093 for(i = 0; i < HEVC_ENCODER_COUNT; i++) { | |
3094 fprintf(stderr, " %s", hevc_encoder_name[i]); | |
3095 } | |
3096 fprintf(stderr, "\n"); | |
3097 exit(1); | |
3098 } | |
3099 p->encoder_type = i; | |
3100 break; | |
3101 case 'a': | |
3102 p->animated = 1; | |
3103 break; | |
3104 default: | |
3105 exit(1); | |
3106 } | |
3107 } | |
3108 | |
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Matti Hamalainen <ccr@tnsp.org>
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4
diff
changeset
|
3109 if (optind >= argc) |
0 | 3110 help(0); |
3111 infilename = argv[optind]; | |
3112 | |
3113 f = fopen(outfilename, "wb"); | |
3114 if (!f) { | |
3115 perror(outfilename); | |
3116 exit(1); | |
3117 } | |
3118 | |
3119 enc_ctx = bpg_encoder_open(p); | |
3120 if (!enc_ctx) { | |
3121 fprintf(stderr, "Could not open BPG encoder\n"); | |
3122 exit(1); | |
3123 } | |
3124 | |
3125 if (p->animated) { | |
3126 int frame_num, first_frame, frame_ticks; | |
3127 char filename[1024]; | |
3128 FILE *f1; | |
3129 | |
3130 if (frame_delay_file) { | |
3131 f1 = fopen(frame_delay_file, "r"); | |
3132 if (!f1) { | |
3133 fprintf(stderr, "Could not open '%s'\n", frame_delay_file); | |
3134 exit(1); | |
3135 } | |
3136 } else { | |
3137 f1 = NULL; | |
3138 } | |
3139 | |
3140 first_frame = 1; | |
3141 for(frame_num = 0; ; frame_num++) { | |
3142 if (get_filename_num(filename, sizeof(filename), infilename, frame_num) < 0) { | |
3143 fprintf(stderr, "Invalid filename syntax: '%s'\n", infilename); | |
3144 exit(1); | |
3145 } | |
3146 img = load_image(&md, filename, color_space, bit_depth, limited_range, | |
3147 premultiplied_alpha); | |
3148 if (!img) { | |
3149 if (frame_num == 0) | |
3150 continue; /* accept to start at 0 or 1 */ | |
3151 if (first_frame) { | |
3152 fprintf(stderr, "Could not read '%s'\n", filename); | |
3153 exit(1); | |
3154 } else { | |
3155 break; | |
3156 } | |
3157 } | |
3158 frame_ticks = 1; | |
3159 if (f1) { | |
3160 float fdelay; | |
3161 if (fscanf(f1, "%f", &fdelay) == 1) { | |
3162 frame_ticks = lrint(fdelay * p->frame_delay_den / (p->frame_delay_num * 100)); | |
3163 if (frame_ticks < 1) | |
3164 frame_ticks = 1; | |
3165 } | |
3166 } | |
5
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4
diff
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|
3167 |
0 | 3168 if (p->verbose) |
3169 printf("Encoding '%s' ticks=%d\n", filename, frame_ticks); | |
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diff
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|
3170 |
0 | 3171 if (keep_metadata && first_frame) { |
3172 bpg_encoder_set_extension_data(enc_ctx, md); | |
3173 } else { | |
3174 bpg_md_free(md); | |
3175 } | |
3176 bpg_encoder_set_frame_duration(enc_ctx, frame_ticks); | |
3177 bpg_encoder_encode(enc_ctx, img, my_write_func, f); | |
3178 image_free(img); | |
3179 | |
3180 first_frame = 0; | |
3181 } | |
3182 if (f1) | |
3183 fclose(f1); | |
3184 /* end of stream */ | |
3185 bpg_encoder_encode(enc_ctx, NULL, my_write_func, f); | |
3186 } else { | |
3187 img = load_image(&md, infilename, color_space, bit_depth, limited_range, | |
3188 premultiplied_alpha); | |
3189 if (!img) { | |
3190 fprintf(stderr, "Could not read '%s'\n", infilename); | |
3191 exit(1); | |
3192 } | |
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4
diff
changeset
|
3193 |
0 | 3194 if (!keep_metadata && md) { |
3195 bpg_md_free(md); | |
3196 md = NULL; | |
3197 } | |
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4
diff
changeset
|
3198 |
0 | 3199 bpg_encoder_set_extension_data(enc_ctx, md); |
5
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4
diff
changeset
|
3200 |
0 | 3201 bpg_encoder_encode(enc_ctx, img, my_write_func, f); |
3202 image_free(img); | |
3203 } | |
3204 | |
3205 fclose(f); | |
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4
diff
changeset
|
3206 |
0 | 3207 bpg_encoder_close(enc_ctx); |
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diff
changeset
|
3208 |
0 | 3209 bpg_encoder_param_free(p); |
3210 | |
3211 return 0; | |
3212 } |