Mercurial > hg > forks > libbpg
annotate bpgenc.c @ 18:403c67bcb76a
Use bpg_insert_md() and bpg_add_md_contents() in jpeg_get_metadata() also.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Wed, 26 Apr 2017 18:24:15 +0300 |
| parents | 91f27e9fdb60 |
| children | a9a60da06ae3 |
| 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 | |
|
17
91f27e9fdb60
Rename insert_md() and add_md_contents() to bpg_insert_md() and
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 |
|
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
930 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
|
931 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
|
932 |
|
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->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
|
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 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
|
937 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
|
938 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
|
939 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
|
940 |
|
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
941 err: |
|
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
942 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
|
943 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
|
944 } |
|
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
945 |
|
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
946 |
|
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
947 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
|
948 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
|
949 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
|
950 { |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
951 TIFF *tif; |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
952 Image *img = NULL; |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
953 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
|
954 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
|
955 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
|
956 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
|
957 *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
|
958 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
|
959 size_t img_linesize; |
|
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
960 ColorConvertState cvt; |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
961 RGBConvertFunc *convert_func; |
|
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 // 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
|
964 if ((tif = TIFFOpen(filename, "rb")) == NULL) |
| 7 | 965 { |
| 966 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
|
967 return NULL; |
| 7 | 968 } |
|
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
969 |
| 7 | 970 if (!TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &img_width) || |
| 971 !TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &img_height) || | |
| 972 !TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &img_spp) || | |
| 973 !TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &img_depth)) | |
| 974 { | |
| 975 fprintf(stderr, "TIFF file lacks basic fields!\n"); | |
| 976 goto err; | |
| 977 } | |
| 978 | |
|
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
979 TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &img_pconfig); |
|
10
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
980 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
|
981 |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
982 // Check basics |
|
14
b0b1d299aa5d
Don't use C99 style declarations here for no reason.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
983 err_spp = 0; |
|
10
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
984 switch (img_pmetric) |
|
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
985 { |
|
12
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
986 case PHOTOMETRIC_MINISBLACK: |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
987 img_format = BPG_FORMAT_GRAY; |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
988 color_space = BPG_CS_YCbCr; |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
989 if (img_spp != 1) |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
990 err_spp = 1; |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
991 break; |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
992 |
|
10
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
993 case PHOTOMETRIC_RGB: |
|
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
994 img_format = BPG_FORMAT_444; |
|
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
995 if (img_spp < 3) |
|
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
996 err_spp = 1; |
|
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
997 break; |
|
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
998 |
|
11
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
999 case PHOTOMETRIC_PALETTE: |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1000 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
|
1001 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
|
1002 err_spp = 1; |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1003 |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1004 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
|
1005 { |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1006 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
|
1007 goto err; |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1008 } |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1009 break; |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1010 |
|
10
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1011 default: |
|
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1012 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
|
1013 goto err; |
|
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1014 } |
|
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1015 |
|
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1016 if (err_spp) |
|
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1017 { |
|
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1018 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
|
1019 goto err; |
|
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1020 } |
|
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1021 |
|
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1022 if (img_depth != 8 && img_depth != 16) |
|
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1023 { |
|
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1024 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
|
1025 goto err; |
|
10
d04d9e3a77d0
Add checking TIFF photometric interpretation tag data.
Matti Hamalainen <ccr@tnsp.org>
parents:
9
diff
changeset
|
1026 } |
|
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1027 |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1028 img_linesize = TIFFScanlineSize(tif); |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1029 |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1030 if (img_spp > 3) |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1031 { |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1032 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
|
1033 |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1034 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
|
1035 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
|
1036 } |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1037 else |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1038 img_alpha = 0; |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1039 |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1040 // Allocate temporary image space |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1041 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
|
1042 if (buf == NULL) |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1043 goto err; |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1044 |
|
11
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1045 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
|
1046 { |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1047 // 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
|
1048 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
|
1049 if (buf2 == NULL) |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1050 goto err; |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1051 |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1052 // 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
|
1053 // 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
|
1054 img_spp = 3; |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1055 img_depth = 16; |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1056 } |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1057 |
|
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1058 // Allocate target image |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1059 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
|
1060 if (img == NULL) |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1061 goto err; |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1062 |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1063 img->limited_range = limited_range; |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1064 img->premultiplied_alpha = premultiplied_alpha; |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1065 |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1066 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
|
1067 |
|
14
b0b1d299aa5d
Don't use C99 style declarations here for no reason.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1068 idx = img_depth == 16; |
|
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1069 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
|
1070 |
|
14
b0b1d299aa5d
Don't use C99 style declarations here for no reason.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1071 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
|
1072 { |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1073 // Read TIFF image to raster |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1074 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
|
1075 goto err; |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1076 |
|
11
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1077 // 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
|
1078 switch (img_pmetric) |
|
6
690bf78c1ce9
Initial implementation of alpha channel support for TIFF images.
Matti Hamalainen <ccr@tnsp.org>
parents:
5
diff
changeset
|
1079 { |
|
11
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1080 case PHOTOMETRIC_PALETTE: |
|
14
b0b1d299aa5d
Don't use C99 style declarations here for no reason.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1081 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
|
1082 { |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1083 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
|
1084 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
|
1085 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
|
1086 } |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1087 convert_func(&cvt, |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1088 (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
|
1089 (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
|
1090 (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
|
1091 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
|
1092 break; |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1093 |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1094 case PHOTOMETRIC_RGB: |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1095 convert_func(&cvt, |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1096 (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
|
1097 (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
|
1098 (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
|
1099 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
|
1100 |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1101 if (img_alpha) |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1102 { |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1103 if (idx) |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1104 { |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1105 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
|
1106 (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
|
1107 ((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
|
1108 } |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1109 else |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1110 { |
|
e70eb0e6acd5
Add support for indexed palette TIFFs, at least some of them.
Matti Hamalainen <ccr@tnsp.org>
parents:
10
diff
changeset
|
1111 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
|
1112 (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
|
1113 ((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
|
1114 } |
|
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 break; |
|
12
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1117 |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1118 case PHOTOMETRIC_MINISBLACK: |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1119 if (img_depth == 16) |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1120 { |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1121 luma16_to_gray(&cvt, |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1122 (PIXEL *)(img->data[0] + y * img->linesize[0]), |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1123 (uint16_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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|
1124 |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
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|
1125 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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|
1126 { |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
1127 gray16_to_gray(&cvt, |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
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|
1128 (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
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|
1129 ((uint16_t *) buf) + 1, img->w, 2); |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
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|
1130 } |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1131 } |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1132 else |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
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|
1133 { |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
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|
1134 luma8_to_gray(&cvt, |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1135 (PIXEL *)(img->data[0] + y * img->linesize[0]), |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1136 (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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|
1137 |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1138 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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|
1139 { |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1140 gray8_to_gray(&cvt, |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1141 (PIXEL *)(img->data[1] + y * img->linesize[1]), |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1142 ((uint8_t *) buf) + 1, img->w, 2); |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1143 } |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
diff
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|
1144 } |
|
9b00d4206f99
Implement support for one type of grayscale TIFF.
Matti Hamalainen <ccr@tnsp.org>
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11
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|
1145 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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|
1146 } |
|
4
bbd61622856a
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|
1147 } |
|
bbd61622856a
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|
1148 |
|
9
bfd933ef38b4
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|
1149 // Get meta data |
|
bfd933ef38b4
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8
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|
1150 if (TIFFGetField(tif, TIFFTAG_ICCPROFILE, &tmp_len, &tmp_buf)) |
|
17
91f27e9fdb60
Rename insert_md() and add_md_contents() to bpg_insert_md() and
Matti Hamalainen <ccr@tnsp.org>
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16
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|
1151 bpg_add_md_contents(pmd, BPG_EXTENSION_TAG_ICCP, tmp_len, tmp_buf); |
|
9
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|
1152 |
|
bfd933ef38b4
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8
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|
1153 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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|
1154 bpg_add_md_contents(pmd, BPG_EXTENSION_TAG_XMP, tmp_len, tmp_buf); |
|
4
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|
1155 |
|
bbd61622856a
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|
1156 err: |
|
bbd61622856a
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|
1157 if (buf != NULL) |
|
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|
1158 _TIFFfree(buf); |
|
bbd61622856a
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|
1159 |
|
11
e70eb0e6acd5
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10
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|
1160 if (buf2 != NULL) |
|
e70eb0e6acd5
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Matti Hamalainen <ccr@tnsp.org>
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|
1161 free(buf2); |
|
e70eb0e6acd5
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|
1162 |
|
4
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|
1163 TIFFClose(tif); |
|
bbd61622856a
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|
1164 return img; |
|
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|
1165 } |
|
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|
1166 |
| 0 | 1167 Image *read_png(BPGMetaData **pmd, |
| 1168 FILE *f, BPGColorSpaceEnum color_space, int out_bit_depth, | |
| 1169 int limited_range, int premultiplied_alpha) | |
| 1170 { | |
| 1171 png_structp png_ptr; | |
| 1172 png_infop info_ptr; | |
| 1173 int bit_depth, color_type; | |
| 1174 Image *img; | |
| 1175 uint8_t **rows; | |
| 1176 int y, has_alpha, linesize, bpp; | |
| 1177 BPGImageFormatEnum format; | |
| 1178 ColorConvertState cvt_s, *cvt = &cvt_s; | |
|
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|
1179 |
| 0 | 1180 png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, |
| 1181 NULL, NULL, NULL); | |
| 1182 if (png_ptr == NULL) { | |
| 1183 return NULL; | |
| 1184 } | |
|
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|
1185 |
| 0 | 1186 info_ptr = png_create_info_struct(png_ptr); |
| 1187 if (info_ptr == NULL) { | |
| 1188 png_destroy_read_struct(&png_ptr, NULL, NULL); | |
| 1189 return NULL; | |
| 1190 } | |
|
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|
1191 |
| 0 | 1192 if (setjmp(png_jmpbuf(png_ptr))) { |
| 1193 png_destroy_read_struct(&png_ptr, &info_ptr, NULL); | |
| 1194 return NULL; | |
| 1195 } | |
|
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|
1196 |
| 0 | 1197 png_init_io(png_ptr, f); |
|
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|
1198 |
| 0 | 1199 png_read_info(png_ptr, info_ptr); |
|
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|
1200 |
| 0 | 1201 bit_depth = png_get_bit_depth(png_ptr, info_ptr); |
| 1202 color_type = png_get_color_type(png_ptr, info_ptr); | |
| 1203 | |
| 1204 switch (color_type) { | |
| 1205 case PNG_COLOR_TYPE_PALETTE: | |
| 1206 png_set_palette_to_rgb(png_ptr); | |
| 1207 bit_depth = 8; | |
| 1208 break; | |
| 1209 case PNG_COLOR_TYPE_GRAY: | |
| 1210 case PNG_COLOR_TYPE_GRAY_ALPHA: | |
| 1211 if (bit_depth < 8) { | |
| 1212 png_set_expand_gray_1_2_4_to_8(png_ptr); | |
| 1213 bit_depth = 8; | |
| 1214 } | |
| 1215 break; | |
| 1216 } | |
| 1217 assert(bit_depth == 8 || bit_depth == 16); | |
| 1218 | |
| 1219 #if __BYTE_ORDER__ != __ORDER_BIG_ENDIAN__ | |
| 1220 if (bit_depth == 16) { | |
| 1221 png_set_swap(png_ptr); | |
| 1222 } | |
| 1223 #endif | |
| 1224 | |
| 1225 if (color_type == PNG_COLOR_TYPE_GRAY || | |
| 1226 color_type == PNG_COLOR_TYPE_GRAY_ALPHA) { | |
| 1227 format = BPG_FORMAT_GRAY; | |
| 1228 color_space = BPG_CS_YCbCr; | |
| 1229 } else { | |
| 1230 format = BPG_FORMAT_444; | |
| 1231 } | |
|
5
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4
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|
1232 |
| 0 | 1233 has_alpha = (color_type == PNG_COLOR_TYPE_GRAY_ALPHA || |
| 1234 color_type == PNG_COLOR_TYPE_RGB_ALPHA); | |
| 1235 | |
| 1236 if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) { | |
| 1237 png_set_tRNS_to_alpha(png_ptr); | |
| 1238 has_alpha = 1; | |
| 1239 } | |
| 1240 | |
| 1241 if (premultiplied_alpha) { | |
| 1242 png_set_alpha_mode(png_ptr, PNG_ALPHA_ASSOCIATED, PNG_GAMMA_LINEAR); | |
| 1243 } | |
| 1244 | |
| 1245 img = image_alloc(png_get_image_width(png_ptr, info_ptr), | |
| 1246 png_get_image_height(png_ptr, info_ptr), | |
| 1247 format, has_alpha, color_space, | |
| 1248 out_bit_depth); | |
| 1249 img->limited_range = limited_range; | |
| 1250 img->premultiplied_alpha = premultiplied_alpha; | |
| 1251 | |
| 1252 rows = malloc(sizeof(rows[0]) * img->h); | |
| 1253 if (format == BPG_FORMAT_GRAY) | |
| 1254 bpp = (1 + has_alpha) * (bit_depth / 8); | |
| 1255 else | |
| 1256 bpp = (3 + has_alpha) * (bit_depth / 8); | |
| 1257 linesize = bpp * img->w; | |
| 1258 for (y = 0; y < img->h; y++) { | |
| 1259 rows[y] = malloc(linesize); | |
| 1260 } | |
|
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|
1261 |
| 0 | 1262 png_read_image(png_ptr, rows); |
|
5
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|
1263 |
| 0 | 1264 convert_init(cvt, bit_depth, out_bit_depth, color_space, limited_range); |
| 1265 | |
| 1266 if (format != BPG_FORMAT_GRAY) { | |
| 1267 int idx; | |
| 1268 RGBConvertFunc *convert_func; | |
| 1269 | |
| 1270 idx = (bit_depth == 16); | |
| 1271 convert_func = rgb_to_cs[idx][color_space]; | |
|
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|
1272 |
| 0 | 1273 for (y = 0; y < img->h; y++) { |
| 1274 convert_func(cvt, (PIXEL *)(img->data[0] + y * img->linesize[0]), | |
| 1275 (PIXEL *)(img->data[1] + y * img->linesize[1]), | |
| 1276 (PIXEL *)(img->data[2] + y * img->linesize[2]), | |
| 1277 rows[y], img->w, 3 + has_alpha); | |
| 1278 if (has_alpha) { | |
| 1279 if (idx) { | |
| 1280 gray16_to_gray(cvt, (PIXEL *)(img->data[3] + y * img->linesize[3]), | |
| 1281 (uint16_t *)rows[y] + 3, img->w, 4); | |
| 1282 } else { | |
| 1283 gray8_to_gray(cvt, (PIXEL *)(img->data[3] + y * img->linesize[3]), | |
| 1284 rows[y] + 3, img->w, 4); | |
| 1285 } | |
| 1286 } | |
| 1287 } | |
| 1288 } else { | |
| 1289 if (bit_depth == 16) { | |
| 1290 for (y = 0; y < img->h; y++) { | |
| 1291 luma16_to_gray(cvt, (PIXEL *)(img->data[0] + y * img->linesize[0]), | |
| 1292 (uint16_t *)rows[y], img->w, 1 + has_alpha); | |
| 1293 if (has_alpha) { | |
| 1294 gray16_to_gray(cvt, (PIXEL *)(img->data[1] + y * img->linesize[1]), | |
| 1295 (uint16_t *)rows[y] + 1, img->w, 2); | |
| 1296 } | |
| 1297 } | |
| 1298 } else { | |
| 1299 for (y = 0; y < img->h; y++) { | |
| 1300 luma8_to_gray(cvt, (PIXEL *)(img->data[0] + y * img->linesize[0]), | |
| 1301 rows[y], img->w, 1 + has_alpha); | |
| 1302 if (has_alpha) { | |
| 1303 gray8_to_gray(cvt, (PIXEL *)(img->data[1] + y * img->linesize[1]), | |
| 1304 rows[y] + 1, img->w, 2); | |
| 1305 } | |
| 1306 } | |
| 1307 } | |
| 1308 } | |
| 1309 | |
| 1310 for (y = 0; y < img->h; y++) { | |
| 1311 free(rows[y]); | |
| 1312 } | |
| 1313 free(rows); | |
|
5
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|
1314 |
| 0 | 1315 png_read_end(png_ptr, info_ptr); |
|
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|
1316 |
| 0 | 1317 /* get the ICC profile if present */ |
| 1318 { | |
| 1319 png_charp name; | |
| 1320 int comp_type; | |
| 1321 png_bytep iccp_buf; | |
| 1322 png_uint_32 iccp_buf_len; | |
|
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|
1323 |
| 0 | 1324 if (png_get_iCCP(png_ptr, info_ptr, |
|
9
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|
1325 &name, &comp_type, &iccp_buf, &iccp_buf_len) == PNG_INFO_iCCP) |
|
17
91f27e9fdb60
Rename insert_md() and add_md_contents() to bpg_insert_md() and
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16
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|
1326 bpg_add_md_contents(pmd, BPG_EXTENSION_TAG_ICCP, iccp_buf_len, iccp_buf); |
| 0 | 1327 } |
| 1328 | |
| 1329 png_destroy_read_struct(&png_ptr, &info_ptr, NULL); | |
|
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|
1330 |
| 0 | 1331 return img; |
| 1332 } | |
| 1333 | |
| 1334 static BPGMetaData *jpeg_get_metadata(jpeg_saved_marker_ptr first_marker) | |
| 1335 { | |
| 1336 static const char app1_exif[] = "Exif"; | |
| 1337 static const char app1_xmp[] = "http://ns.adobe.com/xap/1.0/"; | |
| 1338 static const char app2_iccp[] = "ICC_PROFILE"; | |
| 1339 jpeg_saved_marker_ptr marker; | |
|
18
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17
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|
1340 BPGMetaData *md_list; |
| 0 | 1341 int has_exif, has_xmp, l, iccp_chunk_count, i; |
| 1342 jpeg_saved_marker_ptr iccp_chunks[256]; | |
|
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|
1343 |
| 0 | 1344 iccp_chunk_count = 0; |
| 1345 has_exif = 0; | |
| 1346 has_xmp = 0; | |
|
18
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17
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changeset
|
1347 md_list = NULL; |
| 0 | 1348 for (marker = first_marker; marker != NULL; marker = marker->next) { |
| 1349 #if 0 | |
|
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|
1350 printf("marker=APP%d len=%d\n", |
| 0 | 1351 marker->marker - JPEG_APP0, marker->data_length); |
| 1352 #endif | |
| 1353 if (!has_exif && marker->marker == JPEG_APP0 + 1 && | |
| 1354 marker->data_length > sizeof(app1_exif) && | |
| 1355 !memcmp(marker->data, app1_exif, sizeof(app1_exif))) { | |
| 1356 l = sizeof(app1_exif); | |
|
18
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changeset
|
1357 bpg_add_md_contents(&md_list, BPG_EXTENSION_TAG_EXIF, marker->data_length - l, marker->data + l); |
| 0 | 1358 has_exif = 1; |
| 1359 } else if (!has_xmp && marker->marker == JPEG_APP0 + 1 && | |
| 1360 marker->data_length > sizeof(app1_xmp) && | |
|
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|
1361 !memcmp(marker->data, app1_xmp, sizeof(app1_xmp)) && |
| 0 | 1362 !has_xmp) { |
| 1363 l = sizeof(app1_xmp); | |
|
18
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17
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changeset
|
1364 bpg_add_md_contents(&md_list, BPG_EXTENSION_TAG_XMP, marker->data_length - l, marker->data + l); |
| 0 | 1365 has_xmp = 1; |
| 1366 } else if (marker->marker == JPEG_APP0 + 2 && | |
| 1367 marker->data_length > (sizeof(app2_iccp) + 2) && | |
| 1368 !memcmp(marker->data, app2_iccp, sizeof(app2_iccp))) { | |
| 1369 int chunk_count, chunk_index; | |
| 1370 l = sizeof(app2_iccp); | |
| 1371 chunk_index = marker->data[l]; | |
| 1372 chunk_count = marker->data[l]; | |
|
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|
1373 if (chunk_index == 0 || chunk_count == 0) |
| 0 | 1374 continue; |
| 1375 if (iccp_chunk_count == 0) { | |
| 1376 iccp_chunk_count = chunk_count; | |
| 1377 for(i = 0; i < chunk_count; i++) { | |
| 1378 iccp_chunks[i] = NULL; | |
| 1379 } | |
| 1380 } else { | |
| 1381 if (chunk_count != iccp_chunk_count) | |
| 1382 continue; | |
| 1383 } | |
| 1384 if (chunk_index > iccp_chunk_count) | |
| 1385 continue; | |
| 1386 iccp_chunks[chunk_index - 1] = marker; | |
| 1387 } | |
| 1388 } | |
| 1389 | |
| 1390 if (iccp_chunk_count != 0) { | |
| 1391 int len, hlen, idx; | |
| 1392 /* check that no chunk are missing */ | |
| 1393 len = 0; | |
| 1394 hlen = sizeof(app2_iccp) + 2; | |
| 1395 for(i = 0; i < iccp_chunk_count; i++) { | |
| 1396 if (!iccp_chunks[i]) | |
| 1397 break; | |
| 1398 len += iccp_chunks[i]->data_length - hlen; | |
| 1399 } | |
| 1400 if (i == iccp_chunk_count) { | |
|
18
403c67bcb76a
Use bpg_insert_md() and bpg_add_md_contents() in jpeg_get_metadata() also.
Matti Hamalainen <ccr@tnsp.org>
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17
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changeset
|
1401 BPGMetaData *md = bpg_md_alloc(BPG_EXTENSION_TAG_ICCP); |
| 0 | 1402 md->buf_len = len; |
| 1403 md->buf = malloc(md->buf_len); | |
|
18
403c67bcb76a
Use bpg_insert_md() and bpg_add_md_contents() in jpeg_get_metadata() also.
Matti Hamalainen <ccr@tnsp.org>
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17
diff
changeset
|
1404 bpg_insert_md(&md_list, md); |
|
403c67bcb76a
Use bpg_insert_md() and bpg_add_md_contents() in jpeg_get_metadata() also.
Matti Hamalainen <ccr@tnsp.org>
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17
diff
changeset
|
1405 for(i = 0, idx = 0; i < iccp_chunk_count; i++) { |
| 0 | 1406 l = iccp_chunks[i]->data_length - hlen; |
| 1407 memcpy(md->buf + idx, iccp_chunks[i]->data + hlen, l); | |
| 1408 idx += l; | |
| 1409 } | |
| 1410 assert(idx == len); | |
| 1411 } | |
| 1412 } | |
|
18
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Use bpg_insert_md() and bpg_add_md_contents() in jpeg_get_metadata() also.
Matti Hamalainen <ccr@tnsp.org>
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|
1413 return md_list; |
| 0 | 1414 } |
| 1415 | |
|
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|
1416 Image *read_jpeg(BPGMetaData **pmd, FILE *f, |
| 0 | 1417 int out_bit_depth) |
| 1418 { | |
| 1419 struct jpeg_decompress_struct cinfo; | |
| 1420 struct jpeg_error_mgr jerr; | |
| 1421 int w, h, w1, i, y_h, c_h, y, v_shift, c_w, y1, idx, c_idx, h_shift; | |
| 1422 int h1, plane_idx[4], has_alpha, has_w_plane; | |
| 1423 Image *img; | |
| 1424 BPGImageFormatEnum format; | |
| 1425 BPGColorSpaceEnum color_space; | |
| 1426 ColorConvertState cvt_s, *cvt = &cvt_s; | |
| 1427 uint32_t comp_hv; | |
| 1428 | |
| 1429 cinfo.err = jpeg_std_error(&jerr); | |
| 1430 jpeg_create_decompress(&cinfo); | |
| 1431 | |
| 1432 jpeg_save_markers(&cinfo, JPEG_APP0 + 1, 65535); | |
| 1433 jpeg_save_markers(&cinfo, JPEG_APP0 + 2, 65535); | |
| 1434 | |
| 1435 jpeg_stdio_src(&cinfo, f); | |
|
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|
1436 |
| 0 | 1437 jpeg_read_header(&cinfo, TRUE); |
|
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|
1438 |
| 0 | 1439 cinfo.raw_data_out = TRUE; |
| 1440 cinfo.do_fancy_upsampling = TRUE; | |
|
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|
1441 |
| 0 | 1442 w = cinfo.image_width; |
| 1443 h = cinfo.image_height; | |
| 1444 | |
| 1445 has_w_plane = 0; | |
| 1446 comp_hv = 0; | |
| 1447 if (cinfo.num_components < 1 || cinfo.num_components > 4) | |
| 1448 goto unsupported; | |
| 1449 for(i = 0; i < cinfo.num_components; i++) { | |
| 1450 comp_hv |= cinfo.comp_info[i].h_samp_factor << (i * 8 + 4); | |
| 1451 comp_hv |= cinfo.comp_info[i].v_samp_factor << (i * 8); | |
| 1452 } | |
| 1453 switch(cinfo.jpeg_color_space) { | |
| 1454 case JCS_GRAYSCALE: | |
| 1455 if (cinfo.num_components != 1 || comp_hv != 0x11) | |
| 1456 goto unsupported; | |
| 1457 format = BPG_FORMAT_GRAY; | |
| 1458 color_space = BPG_CS_YCbCr; | |
| 1459 break; | |
| 1460 case JCS_YCbCr: | |
| 1461 if (cinfo.num_components != 3) | |
| 1462 goto unsupported; | |
| 1463 switch(comp_hv) { | |
| 1464 case 0x111111: | |
| 1465 format = BPG_FORMAT_444; | |
| 1466 break; | |
| 1467 case 0x111121: | |
| 1468 format = BPG_FORMAT_422; | |
| 1469 break; | |
| 1470 case 0x111122: | |
| 1471 format = BPG_FORMAT_420; | |
| 1472 break; | |
| 1473 default: | |
| 1474 cinfo.raw_data_out = FALSE; | |
| 1475 format = BPG_FORMAT_444; | |
| 1476 cinfo.out_color_space = JCS_YCbCr; | |
| 1477 break; | |
| 1478 } | |
| 1479 color_space = BPG_CS_YCbCr; | |
| 1480 break; | |
| 1481 case JCS_RGB: | |
| 1482 if (cinfo.num_components != 3) | |
| 1483 goto unsupported; | |
| 1484 format = BPG_FORMAT_444; | |
| 1485 color_space = BPG_CS_RGB; | |
| 1486 cinfo.raw_data_out = FALSE; | |
| 1487 cinfo.out_color_space = JCS_RGB; | |
| 1488 break; | |
| 1489 case JCS_YCCK: | |
| 1490 if (cinfo.num_components != 4) | |
| 1491 goto unsupported; | |
| 1492 switch(comp_hv) { | |
| 1493 case 0x11111111: | |
| 1494 format = BPG_FORMAT_444; | |
| 1495 color_space = BPG_CS_YCbCr; | |
| 1496 break; | |
| 1497 case 0x22111121: | |
| 1498 format = BPG_FORMAT_422; | |
| 1499 color_space = BPG_CS_YCbCr; | |
| 1500 break; | |
| 1501 case 0x22111122: | |
| 1502 format = BPG_FORMAT_420; | |
| 1503 color_space = BPG_CS_YCbCr; | |
| 1504 break; | |
| 1505 default: | |
| 1506 cinfo.raw_data_out = FALSE; | |
| 1507 format = BPG_FORMAT_444; | |
| 1508 cinfo.out_color_space = JCS_CMYK; | |
| 1509 color_space = BPG_CS_RGB; | |
| 1510 break; | |
| 1511 } | |
| 1512 has_w_plane = 1; | |
| 1513 break; | |
| 1514 case JCS_CMYK: | |
| 1515 if (cinfo.num_components != 4) | |
| 1516 goto unsupported; | |
| 1517 format = BPG_FORMAT_444; | |
| 1518 color_space = BPG_CS_RGB; | |
| 1519 has_w_plane = 1; | |
| 1520 cinfo.raw_data_out = FALSE; | |
| 1521 cinfo.out_color_space = JCS_CMYK; | |
| 1522 break; | |
| 1523 default: | |
| 1524 unsupported: | |
| 1525 fprintf(stderr, "Unsupported JPEG parameters (cs=%d n_comp=%d comp_hv=%x)\n", | |
| 1526 cinfo.jpeg_color_space, cinfo.num_components, comp_hv); | |
| 1527 img = NULL; | |
| 1528 goto the_end; | |
| 1529 } | |
| 1530 | |
| 1531 v_shift = (format == BPG_FORMAT_420); | |
| 1532 h_shift = (format == BPG_FORMAT_422 || format == BPG_FORMAT_420); | |
| 1533 has_alpha = (cinfo.num_components == 4); | |
| 1534 img = image_alloc(w, h, format, has_alpha, color_space, out_bit_depth); | |
| 1535 img->has_w_plane = has_w_plane; | |
| 1536 | |
| 1537 convert_init(cvt, 8, out_bit_depth, color_space, 0); | |
| 1538 | |
| 1539 jpeg_start_decompress(&cinfo); | |
| 1540 | |
| 1541 if (color_space == BPG_CS_RGB) { | |
| 1542 plane_idx[0] = 2; | |
| 1543 plane_idx[1] = 0; | |
| 1544 plane_idx[2] = 1; | |
| 1545 } else { | |
| 1546 plane_idx[0] = 0; | |
| 1547 plane_idx[1] = 1; | |
| 1548 plane_idx[2] = 2; | |
| 1549 } | |
| 1550 plane_idx[3] = 3; | |
|
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1551 |
| 0 | 1552 if (cinfo.raw_data_out) { |
| 1553 JSAMPROW rows[4][16]; | |
| 1554 JSAMPROW *plane_pointer[4]; | |
| 1555 | |
| 1556 y_h = 8 * cinfo.max_v_samp_factor; | |
| 1557 if (cinfo.num_components == 1) { | |
| 1558 c_h = 0; | |
| 1559 c_w = 0; | |
| 1560 } else { | |
| 1561 c_h = 8; | |
| 1562 if (h_shift) | |
| 1563 c_w = (w + 1) / 2; | |
| 1564 else | |
| 1565 c_w = w; | |
| 1566 } | |
| 1567 w1 = (w + 15) & ~15; | |
| 1568 for(c_idx = 0; c_idx < cinfo.num_components; c_idx++) { | |
| 1569 if (c_idx == 1 || c_idx == 2) { | |
| 1570 h1 = c_h; | |
| 1571 } else { | |
| 1572 h1 = y_h; | |
| 1573 } | |
| 1574 for(i = 0; i < h1; i++) { | |
| 1575 rows[c_idx][i] = malloc(w1); | |
| 1576 } | |
| 1577 plane_pointer[c_idx] = rows[c_idx]; | |
| 1578 } | |
|
5
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Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1579 |
| 0 | 1580 while (cinfo.output_scanline < cinfo.output_height) { |
| 1581 y = cinfo.output_scanline; | |
| 1582 jpeg_read_raw_data(&cinfo, plane_pointer, y_h); | |
|
5
524eae707ba4
Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1583 |
| 0 | 1584 for(c_idx = 0; c_idx < cinfo.num_components; c_idx++) { |
| 1585 if (c_idx == 1 || c_idx == 2) { | |
| 1586 h1 = c_h; | |
| 1587 w1 = c_w; | |
| 1588 y1 = (y >> v_shift); | |
| 1589 } else { | |
| 1590 h1 = y_h; | |
| 1591 w1 = img->w; | |
| 1592 y1 = y; | |
| 1593 } | |
| 1594 idx = plane_idx[c_idx]; | |
| 1595 for(i = 0; i < h1; i++) { | |
| 1596 PIXEL *ptr; | |
|
5
524eae707ba4
Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1597 ptr = (PIXEL *)(img->data[idx] + |
| 0 | 1598 img->linesize[idx] * (y1 + i)); |
| 1599 gray8_to_gray(cvt, ptr, rows[c_idx][i], w1, 1); | |
| 1600 if (color_space == BPG_CS_YCbCr && has_w_plane) { | |
| 1601 /* negate color */ | |
| 1602 if (c_idx == 0) { | |
| 1603 gray_one_minus(cvt, ptr, w1); | |
| 1604 } else if (c_idx <= 2) { | |
| 1605 gray_neg_c(cvt, ptr, w1); | |
| 1606 } | |
| 1607 } | |
| 1608 } | |
| 1609 } | |
| 1610 } | |
|
5
524eae707ba4
Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1611 |
| 0 | 1612 for(c_idx = 0; c_idx < cinfo.num_components; c_idx++) { |
| 1613 if (c_idx == 1 || c_idx == 2) { | |
| 1614 h1 = c_h; | |
| 1615 } else { | |
| 1616 h1 = y_h; | |
| 1617 } | |
| 1618 for(i = 0; i < h1; i++) { | |
| 1619 free(rows[c_idx][i]); | |
| 1620 } | |
| 1621 } | |
| 1622 } else { | |
| 1623 JSAMPROW rows[1]; | |
| 1624 uint8_t *buf; | |
| 1625 int c_count; | |
| 1626 | |
| 1627 c_count = 3 + has_w_plane; | |
| 1628 buf = malloc(c_count * w); | |
| 1629 rows[0] = buf; | |
| 1630 while (cinfo.output_scanline < cinfo.output_height) { | |
| 1631 y = cinfo.output_scanline; | |
| 1632 jpeg_read_scanlines(&cinfo, rows, 1); | |
| 1633 | |
| 1634 for(c_idx = 0; c_idx < c_count; c_idx++) { | |
| 1635 idx = plane_idx[c_idx]; | |
|
5
524eae707ba4
Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1636 gray8_to_gray(cvt, (PIXEL *)(img->data[idx] + |
| 0 | 1637 img->linesize[idx] * y), |
| 1638 buf + c_idx, w, c_count); | |
| 1639 } | |
| 1640 } | |
| 1641 free(buf); | |
| 1642 } | |
|
5
524eae707ba4
Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1643 |
|
9
bfd933ef38b4
Implement some metadata support in TIFF and clean up meta data handling otherwise.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
1644 *pmd = jpeg_get_metadata(cinfo.marker_list); |
| 0 | 1645 |
| 1646 the_end: | |
| 1647 jpeg_finish_decompress(&cinfo); | |
|
5
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Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1648 |
| 0 | 1649 jpeg_destroy_decompress(&cinfo); |
| 1650 return img; | |
| 1651 } | |
| 1652 | |
|
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1653 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
|
1654 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
|
1655 #define PROBE_BUF_SIZE 8 |
|
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1656 |
| 0 | 1657 Image *load_image(BPGMetaData **pmd, const char *infilename, |
| 1658 BPGColorSpaceEnum color_space, int bit_depth, | |
| 1659 int limited_range, int premultiplied_alpha) | |
| 1660 { | |
| 1661 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
|
1662 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
|
1663 uint8_t buf[PROBE_BUF_SIZE]; |
| 0 | 1664 |
| 1665 *pmd = NULL; | |
| 1666 | |
|
3
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1667 if ((f = fopen(infilename, "rb")) == NULL) |
| 0 | 1668 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
|
1669 |
|
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1670 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
|
1671 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
|
1672 |
|
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1673 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
|
1674 |
|
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1675 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
|
1676 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
|
1677 else |
|
4
bbd61622856a
Initial implementation of TIFF format read support via libtiff.
Matti Hamalainen <ccr@tnsp.org>
parents:
3
diff
changeset
|
1678 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
|
1679 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
|
1680 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
|
1681 else |
|
8
5a1eec3c43cc
Get rid of indirect metadata variable sillyness in load_image().
Matti Hamalainen <ccr@tnsp.org>
parents:
7
diff
changeset
|
1682 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
|
1683 |
|
ffcd1967fb5c
Clean up load_image() probing code a bit in preparation for TIFF support.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
1684 err: |
| 0 | 1685 fclose(f); |
| 1686 return img; | |
| 1687 } | |
| 1688 | |
| 1689 void save_yuv1(Image *img, FILE *f) | |
| 1690 { | |
| 1691 int c_w, c_h, i, c_count, y; | |
| 1692 | |
| 1693 if (img->format == BPG_FORMAT_GRAY) | |
| 1694 c_count = 1; | |
| 1695 else | |
| 1696 c_count = 3; | |
| 1697 for(i = 0; i < c_count; i++) { | |
| 1698 get_plane_res(img, &c_w, &c_h, i); | |
| 1699 for(y = 0; y < c_h; y++) { | |
|
5
524eae707ba4
Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
1700 fwrite(img->data[i] + y * img->linesize[i], |
| 0 | 1701 1, c_w << img->pixel_shift, f); |
| 1702 } | |
| 1703 } | |
| 1704 } | |
| 1705 | |
| 1706 void save_yuv(Image *img, const char *filename) | |
| 1707 { | |
| 1708 FILE *f; | |
| 1709 | |
| 1710 f = fopen(filename, "wb"); | |
| 1711 if (!f) { | |
| 1712 fprintf(stderr, "Could not open %s\n", filename); | |
| 1713 exit(1); | |
| 1714 } | |
| 1715 save_yuv1(img, f); | |
| 1716 fclose(f); | |
| 1717 } | |
| 1718 | |
| 1719 /* return the position of the end of the NAL or -1 if error */ | |
| 1720 static int find_nal_end(const uint8_t *buf, int buf_len) | |
| 1721 { | |
| 1722 int idx; | |
| 1723 | |
| 1724 idx = 0; | |
| 1725 if (buf_len >= 4 && | |
| 1726 buf[0] == 0 && buf[1] == 0 && buf[2] == 0 && buf[3] == 1) { | |
| 1727 idx = 4; | |
| 1728 } else if (buf_len >= 3 && | |
| 1729 buf[0] == 0 && buf[1] == 0 && buf[2] == 1) { | |
| 1730 idx = 3; | |
| 1731 } else { | |
| 1732 return -1; | |
| 1733 } | |
| 1734 /* NAL header */ | |
| 1735 if (idx + 2 > buf_len) | |
| 1736 return -1; | |
| 1737 /* find the last byte */ | |
| 1738 for(;;) { | |
| 1739 if (idx + 2 >= buf_len) { | |
| 1740 idx = buf_len; | |
| 1741 break; | |
| 1742 } | |
| 1743 if (buf[idx] == 0 && buf[idx + 1] == 0 && buf[idx + 2] == 1) | |
| 1744 break; | |
| 1745 if (idx + 3 < buf_len && | |
| 1746 buf[idx] == 0 && buf[idx + 1] == 0 && buf[idx + 2] == 0 && buf[idx + 3] == 1) | |
| 1747 break; | |
| 1748 idx++; | |
| 1749 } | |
| 1750 return idx; | |
| 1751 } | |
| 1752 | |
| 1753 /* return the position of the end of the NAL or -1 if error */ | |
|
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1754 static int extract_nal(uint8_t **pnal_buf, int *pnal_len, |
| 0 | 1755 const uint8_t *buf, int buf_len) |
| 1756 { | |
| 1757 int idx, start, end, len; | |
| 1758 uint8_t *nal_buf; | |
| 1759 int nal_len; | |
| 1760 | |
| 1761 end = find_nal_end(buf, buf_len); | |
| 1762 if (end < 0) | |
| 1763 return -1; | |
| 1764 if (buf[2] == 1) | |
| 1765 start = 3; | |
| 1766 else | |
| 1767 start = 4; | |
| 1768 len = end - start; | |
|
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|
1769 |
| 0 | 1770 nal_buf = malloc(len); |
| 1771 nal_len = 0; | |
| 1772 idx = start; | |
| 1773 while (idx < end) { | |
| 1774 if (idx + 2 < end && buf[idx] == 0 && buf[idx + 1] == 0 && buf[idx + 2] == 3) { | |
| 1775 nal_buf[nal_len++] = 0; | |
| 1776 nal_buf[nal_len++] = 0; | |
| 1777 idx += 3; | |
| 1778 } else { | |
| 1779 nal_buf[nal_len++] = buf[idx++]; | |
| 1780 } | |
| 1781 } | |
| 1782 while (idx < end) { | |
| 1783 nal_buf[nal_len++] = buf[idx++]; | |
| 1784 } | |
| 1785 *pnal_buf = nal_buf; | |
| 1786 *pnal_len = nal_len; | |
| 1787 return idx; | |
| 1788 } | |
| 1789 | |
| 1790 /* big endian variable length 7 bit encoding */ | |
| 1791 static void put_ue(uint8_t **pp, uint32_t v) | |
| 1792 { | |
| 1793 uint8_t *p = *pp; | |
| 1794 int i, j; | |
|
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1795 |
| 0 | 1796 for(i = 1; i < 5; i++) { |
| 1797 if (v < (1 << (7 * i))) | |
| 1798 break; | |
| 1799 } | |
| 1800 for(j = i - 1; j >= 1; j--) | |
| 1801 *p++ = ((v >> (7 * j)) & 0x7f) | 0x80; | |
| 1802 *p++ = v & 0x7f; | |
| 1803 *pp = p; | |
| 1804 } | |
| 1805 | |
| 1806 typedef struct { | |
| 1807 const uint8_t *buf; | |
| 1808 int idx; | |
| 1809 int buf_len; | |
| 1810 } GetBitState; | |
| 1811 | |
| 1812 static void init_get_bits(GetBitState *s, const uint8_t *buf, int buf_len) | |
| 1813 { | |
| 1814 s->buf = buf; | |
| 1815 s->buf_len = buf_len; | |
| 1816 s->idx = 0; | |
| 1817 } | |
| 1818 | |
| 1819 static void skip_bits(GetBitState *s, int n) | |
| 1820 { | |
| 1821 s->idx += n; | |
| 1822 } | |
| 1823 | |
| 1824 /* 1 <= n <= 25. return '0' bits if past the end of the buffer. */ | |
| 1825 static uint32_t get_bits(GetBitState *s, int n) | |
| 1826 { | |
| 1827 const uint8_t *buf = s->buf; | |
| 1828 int p, i; | |
| 1829 uint32_t v; | |
| 1830 | |
| 1831 p = s->idx >> 3; | |
| 1832 if ((p + 3) < s->buf_len) { | |
|
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1833 v = (buf[p] << 24) | (buf[p + 1] << 16) | |
| 0 | 1834 (buf[p + 2] << 8) | buf[p + 3]; |
| 1835 } else { | |
| 1836 v = 0; | |
| 1837 for(i = 0; i < 3; i++) { | |
| 1838 if ((p + i) < s->buf_len) | |
| 1839 v |= buf[p + i] << (24 - i * 8); | |
| 1840 } | |
| 1841 } | |
| 1842 v = (v >> (32 - (s->idx & 7) - n)) & ((1 << n) - 1); | |
| 1843 s->idx += n; | |
| 1844 return v; | |
| 1845 } | |
| 1846 | |
| 1847 /* 1 <= n <= 32 */ | |
| 1848 static uint32_t get_bits_long(GetBitState *s, int n) | |
| 1849 { | |
| 1850 uint32_t v; | |
| 1851 | |
| 1852 if (n <= 25) { | |
| 1853 v = get_bits(s, n); | |
| 1854 } else { | |
| 1855 n -= 16; | |
| 1856 v = get_bits(s, 16) << n; | |
| 1857 v |= get_bits(s, n); | |
| 1858 } | |
| 1859 return v; | |
| 1860 } | |
| 1861 | |
| 1862 /* at most 32 bits are supported */ | |
| 1863 static uint32_t get_ue_golomb(GetBitState *s) | |
| 1864 { | |
| 1865 int i; | |
| 1866 i = 0; | |
| 1867 for(;;) { | |
| 1868 if (get_bits(s, 1)) | |
| 1869 break; | |
| 1870 i++; | |
| 1871 if (i == 32) | |
| 1872 return 0xffffffff; | |
| 1873 } | |
| 1874 if (i == 0) | |
| 1875 return 0; | |
| 1876 else | |
| 1877 return ((1 << i) | get_bits_long(s, i)) - 1; | |
| 1878 } | |
| 1879 | |
| 1880 typedef struct { | |
| 1881 uint8_t *buf; | |
| 1882 int idx; | |
| 1883 } PutBitState; | |
| 1884 | |
| 1885 static void init_put_bits(PutBitState *s, uint8_t *buf) | |
| 1886 { | |
| 1887 s->buf = buf; | |
| 1888 s->idx = 0; | |
| 1889 } | |
| 1890 | |
| 1891 static void put_bit(PutBitState *s, int bit) | |
| 1892 { | |
| 1893 s->buf[s->idx >> 3] |= bit << (7 - (s->idx & 7)); | |
| 1894 s->idx++; | |
| 1895 } | |
| 1896 | |
| 1897 static void put_bits(PutBitState *s, int n, uint32_t v) | |
| 1898 { | |
| 1899 int i; | |
| 1900 | |
| 1901 for(i = 0; i < n; i++) { | |
| 1902 put_bit(s, (v >> (n - 1 - i)) & 1); | |
| 1903 } | |
| 1904 } | |
| 1905 | |
| 1906 static void put_ue_golomb(PutBitState *s, uint32_t v) | |
| 1907 { | |
| 1908 uint32_t a; | |
| 1909 int n; | |
| 1910 | |
| 1911 v++; | |
| 1912 n = 0; | |
| 1913 a = v; | |
| 1914 while (a != 0) { | |
| 1915 a >>= 1; | |
| 1916 n++; | |
| 1917 } | |
| 1918 if (n > 1) | |
| 1919 put_bits(s, n - 1, 0); | |
| 1920 put_bits(s, n, v); | |
| 1921 } | |
| 1922 | |
| 1923 typedef struct { | |
| 1924 uint8_t *buf; | |
| 1925 int size; | |
| 1926 int len; | |
| 1927 } DynBuf; | |
| 1928 | |
| 1929 static void dyn_buf_init(DynBuf *s) | |
| 1930 { | |
| 1931 s->buf = NULL; | |
| 1932 s->size = 0; | |
| 1933 s->len = 0; | |
| 1934 } | |
| 1935 | |
| 1936 static int dyn_buf_resize(DynBuf *s, int size) | |
| 1937 { | |
| 1938 int new_size; | |
| 1939 uint8_t *new_buf; | |
| 1940 | |
| 1941 if (size <= s->size) | |
| 1942 return 0; | |
| 1943 new_size = (s->size * 3) / 2; | |
| 1944 if (new_size < size) | |
| 1945 new_size = size; | |
| 1946 new_buf = realloc(s->buf, new_size); | |
|
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1947 if (!new_buf) |
| 0 | 1948 return -1; |
| 1949 s->buf = new_buf; | |
| 1950 s->size = new_size; | |
| 1951 return 0; | |
| 1952 } | |
| 1953 | |
| 1954 /* suppress the VPS NAL and keep only the useful part of the SPS | |
| 1955 header. The decoder can rebuild a valid HEVC stream if needed. */ | |
| 1956 static int build_modified_sps(uint8_t **pout_buf, int *pout_buf_len, | |
| 1957 const uint8_t *buf, int buf_len) | |
| 1958 { | |
| 1959 int nal_unit_type, nal_len, idx, i, ret, msps_buf_len; | |
| 1960 int out_buf_len, out_buf_len_max; | |
| 1961 uint8_t *nal_buf, *msps_buf, *out_buf; | |
| 1962 GetBitState gb_s, *gb = &gb_s; | |
| 1963 PutBitState pb_s, *pb = &pb_s; | |
| 1964 uint8_t *p; | |
| 1965 | |
| 1966 idx = extract_nal(&nal_buf, &nal_len, buf, buf_len); | |
| 1967 if (idx < 0) | |
| 1968 return -1; | |
| 1969 if (nal_len < 2) { | |
| 1970 free(nal_buf); | |
| 1971 return -1; | |
| 1972 } | |
| 1973 nal_unit_type = (nal_buf[0] >> 1) & 0x3f; | |
| 1974 free(nal_buf); | |
| 1975 if (nal_unit_type != 32) { | |
| 1976 fprintf(stderr, "expecting VPS nal (%d)\n", nal_unit_type); | |
| 1977 return -1; /* expect VPS nal */ | |
| 1978 } | |
| 1979 | |
| 1980 ret = extract_nal(&nal_buf, &nal_len, buf + idx, buf_len); | |
| 1981 if (ret < 0) | |
| 1982 return -1; | |
| 1983 idx += ret; | |
| 1984 if (nal_len < 2) | |
| 1985 return -1; | |
| 1986 nal_unit_type = (nal_buf[0] >> 1) & 0x3f; | |
| 1987 if (nal_unit_type != 33) { | |
| 1988 fprintf(stderr, "expecting SPS nal (%d)\n", nal_unit_type); | |
| 1989 return -1; /* expect SPS nal */ | |
| 1990 } | |
| 1991 | |
| 1992 /* skip the initial part of the SPS up to and including | |
| 1993 log2_min_cb_size */ | |
| 1994 { | |
| 1995 int vps_id, max_sub_layers, profile_idc, sps_id; | |
| 1996 int chroma_format_idc, width, height, bit_depth_luma, bit_depth_chroma; | |
| 1997 int log2_max_poc_lsb, sublayer_ordering_info, log2_min_cb_size; | |
| 1998 int log2_diff_max_min_coding_block_size, log2_min_tb_size; | |
| 1999 int log2_diff_max_min_transform_block_size; | |
| 2000 int max_transform_hierarchy_depth_inter; | |
| 2001 int max_transform_hierarchy_depth_intra; | |
| 2002 int scaling_list_enable_flag, amp_enabled_flag, sao_enabled; | |
| 2003 int pcm_enabled_flag, nb_st_rps; | |
| 2004 int long_term_ref_pics_present_flag, sps_strong_intra_smoothing_enable_flag, vui_present; | |
| 2005 int sps_temporal_mvp_enabled_flag; | |
| 2006 int pcm_sample_bit_depth_luma_minus1; | |
| 2007 int pcm_sample_bit_depth_chroma_minus1; | |
| 2008 int log2_min_pcm_luma_coding_block_size_minus3; | |
| 2009 int log2_diff_max_min_pcm_luma_coding_block_size; | |
| 2010 int pcm_loop_filter_disabled_flag; | |
| 2011 int sps_extension_flag, sps_range_extension_flag, sps_extension_7bits; | |
| 2012 int sps_range_extension_flags; | |
| 2013 | |
| 2014 init_get_bits(gb, nal_buf, nal_len); | |
| 2015 skip_bits(gb, 16); /* nal header */ | |
| 2016 vps_id = get_bits(gb, 4); | |
| 2017 if (vps_id != 0) { | |
| 2018 fprintf(stderr, "VPS id 0 expected\n"); | |
| 2019 return -1; | |
| 2020 } | |
| 2021 max_sub_layers = get_bits(gb, 3); | |
| 2022 if (max_sub_layers != 0) { | |
| 2023 fprintf(stderr, "max_sub_layers == 0 expected\n"); | |
| 2024 return -1; | |
| 2025 } | |
| 2026 skip_bits(gb, 1); /* temporal_id_nesting_flag */ | |
| 2027 /* profile tier level */ | |
| 2028 skip_bits(gb, 2); /* profile_space */ | |
| 2029 skip_bits(gb, 1); /* tier_flag */ | |
| 2030 profile_idc = get_bits(gb, 5); | |
| 2031 for(i = 0; i < 32; i++) { | |
| 2032 skip_bits(gb, 1); /* profile_compatibility_flag */ | |
| 2033 } | |
| 2034 skip_bits(gb, 1); /* progressive_source_flag */ | |
| 2035 skip_bits(gb, 1); /* interlaced_source_flag */ | |
| 2036 skip_bits(gb, 1); /* non_packed_constraint_flag */ | |
| 2037 skip_bits(gb, 1); /* frame_only_constraint_flag */ | |
| 2038 skip_bits(gb, 44); /* XXX_reserved_zero_44 */ | |
| 2039 skip_bits(gb, 8); /* level_idc */ | |
| 2040 | |
| 2041 sps_id = get_ue_golomb(gb); | |
| 2042 if (sps_id != 0) { | |
| 2043 fprintf(stderr, "SPS id 0 expected (%d)\n", sps_id); | |
| 2044 return -1; | |
| 2045 } | |
| 2046 chroma_format_idc = get_ue_golomb(gb); | |
| 2047 if (chroma_format_idc == 3) { | |
| 2048 get_bits(gb, 1); /* separate_colour_plane_flag */ | |
| 2049 } | |
| 2050 width = get_ue_golomb(gb); | |
| 2051 height = get_ue_golomb(gb); | |
| 2052 /* pic conformance_flag */ | |
| 2053 if (get_bits(gb, 1)) { | |
| 2054 get_ue_golomb(gb); /* left_offset */ | |
| 2055 get_ue_golomb(gb); /* right_offset */ | |
| 2056 get_ue_golomb(gb); /* top_offset */ | |
| 2057 get_ue_golomb(gb); /* bottom_offset */ | |
| 2058 } | |
| 2059 bit_depth_luma = get_ue_golomb(gb) + 8; | |
| 2060 bit_depth_chroma = get_ue_golomb(gb) + 8; | |
| 2061 log2_max_poc_lsb = get_ue_golomb(gb) + 4; | |
| 2062 if (log2_max_poc_lsb != 8) { | |
| 2063 fprintf(stderr, "log2_max_poc_lsb must be 8 (%d)\n", log2_max_poc_lsb); | |
| 2064 return -1; | |
| 2065 } | |
| 2066 sublayer_ordering_info = get_bits(gb, 1); | |
| 2067 get_ue_golomb(gb); /* max_dec_pic_buffering */ | |
| 2068 get_ue_golomb(gb); /* num_reorder_pics */ | |
| 2069 get_ue_golomb(gb); /* max_latency_increase */ | |
|
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diff
changeset
|
2070 |
| 0 | 2071 log2_min_cb_size = get_ue_golomb(gb) + 3; |
| 2072 log2_diff_max_min_coding_block_size = get_ue_golomb(gb); | |
| 2073 log2_min_tb_size = get_ue_golomb(gb) + 2; | |
| 2074 log2_diff_max_min_transform_block_size = get_ue_golomb(gb); | |
|
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|
2075 |
| 0 | 2076 max_transform_hierarchy_depth_inter = get_ue_golomb(gb); |
| 2077 max_transform_hierarchy_depth_intra = get_ue_golomb(gb); | |
| 2078 if (max_transform_hierarchy_depth_inter != max_transform_hierarchy_depth_intra) { | |
| 2079 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); | |
| 2080 return -1; | |
| 2081 } | |
| 2082 | |
| 2083 scaling_list_enable_flag = get_bits(gb, 1); | |
| 2084 if (scaling_list_enable_flag != 0) { | |
| 2085 fprintf(stderr, "scaling_list_enable_flag must be 0\n"); | |
| 2086 return -1; | |
| 2087 } | |
| 2088 amp_enabled_flag = get_bits(gb, 1); | |
| 2089 if (!amp_enabled_flag) { | |
| 2090 fprintf(stderr, "amp_enabled_flag must be set\n"); | |
| 2091 return -1; | |
| 2092 } | |
| 2093 sao_enabled = get_bits(gb, 1); | |
| 2094 pcm_enabled_flag = get_bits(gb, 1); | |
| 2095 if (pcm_enabled_flag) { | |
| 2096 pcm_sample_bit_depth_luma_minus1 = get_bits(gb, 4); | |
| 2097 pcm_sample_bit_depth_chroma_minus1 = get_bits(gb, 4); | |
| 2098 log2_min_pcm_luma_coding_block_size_minus3 = get_ue_golomb(gb); | |
| 2099 log2_diff_max_min_pcm_luma_coding_block_size = get_ue_golomb(gb); | |
| 2100 pcm_loop_filter_disabled_flag = get_bits(gb, 1); | |
| 2101 } | |
| 2102 nb_st_rps = get_ue_golomb(gb); | |
| 2103 if (nb_st_rps != 0) { | |
| 2104 fprintf(stderr, "nb_st_rps must be 0 (%d)\n", nb_st_rps); | |
| 2105 return -1; | |
| 2106 } | |
| 2107 long_term_ref_pics_present_flag = get_bits(gb, 1); | |
| 2108 if (long_term_ref_pics_present_flag) { | |
| 2109 fprintf(stderr, "nlong_term_ref_pics_present_flag must be 0 (%d)\n", nb_st_rps); | |
| 2110 return -1; | |
| 2111 } | |
| 2112 sps_temporal_mvp_enabled_flag = get_bits(gb, 1); | |
| 2113 if (!sps_temporal_mvp_enabled_flag) { | |
| 2114 fprintf(stderr, "sps_temporal_mvp_enabled_flag must be set\n"); | |
| 2115 return -1; | |
| 2116 } | |
| 2117 sps_strong_intra_smoothing_enable_flag = get_bits(gb, 1); | |
| 2118 vui_present = get_bits(gb, 1); | |
| 2119 if (vui_present) { | |
| 2120 int sar_present, sar_idx, overscan_info_present_flag; | |
| 2121 int video_signal_type_present_flag, chroma_loc_info_present_flag; | |
| 2122 int default_display_window_flag, vui_timing_info_present_flag; | |
| 2123 int vui_poc_proportional_to_timing_flag; | |
| 2124 int vui_hrd_parameters_present_flag, bitstream_restriction_flag; | |
| 2125 | |
| 2126 sar_present = get_bits(gb, 1); | |
| 2127 if (sar_present) { | |
| 2128 sar_idx = get_bits(gb, 8); | |
| 2129 if (sar_idx == 255) { | |
|
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|
2130 skip_bits(gb, 16); /* sar_num */ |
|
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|
2131 skip_bits(gb, 16); /* sar_den */ |
| 0 | 2132 } |
| 2133 } | |
|
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2134 |
| 0 | 2135 overscan_info_present_flag = get_bits(gb, 1); |
| 2136 if (overscan_info_present_flag) { | |
| 2137 skip_bits(gb, 1); /* overscan_appropriate_flag */ | |
| 2138 } | |
| 2139 | |
| 2140 video_signal_type_present_flag = get_bits(gb, 1); | |
| 2141 if (video_signal_type_present_flag) { | |
| 2142 fprintf(stderr, "video_signal_type_present_flag must be 0\n"); | |
| 2143 return -1; | |
| 2144 } | |
| 2145 chroma_loc_info_present_flag = get_bits(gb, 1); | |
| 2146 if (chroma_loc_info_present_flag) { | |
| 2147 get_ue_golomb(gb); | |
| 2148 get_ue_golomb(gb); | |
| 2149 } | |
| 2150 skip_bits(gb, 1); /* neutra_chroma_indication_flag */ | |
| 2151 skip_bits(gb, 1); | |
| 2152 skip_bits(gb, 1); | |
| 2153 default_display_window_flag = get_bits(gb, 1); | |
| 2154 if (default_display_window_flag) { | |
| 2155 fprintf(stderr, "default_display_window_flag must be 0\n"); | |
| 2156 return -1; | |
| 2157 } | |
| 2158 vui_timing_info_present_flag = get_bits(gb, 1); | |
| 2159 if (vui_timing_info_present_flag) { | |
| 2160 skip_bits(gb, 32); | |
| 2161 skip_bits(gb, 32); | |
| 2162 vui_poc_proportional_to_timing_flag = get_bits(gb, 1); | |
| 2163 if (vui_poc_proportional_to_timing_flag) { | |
| 2164 get_ue_golomb(gb); | |
| 2165 } | |
| 2166 vui_hrd_parameters_present_flag = get_bits(gb, 1); | |
| 2167 if (vui_hrd_parameters_present_flag) { | |
| 2168 fprintf(stderr, "vui_hrd_parameters_present_flag must be 0\n"); | |
| 2169 return -1; | |
| 2170 } | |
| 2171 } | |
| 2172 bitstream_restriction_flag = get_bits(gb, 1); | |
| 2173 if (bitstream_restriction_flag) { | |
| 2174 skip_bits(gb, 1); | |
| 2175 skip_bits(gb, 1); | |
| 2176 skip_bits(gb, 1); | |
| 2177 get_ue_golomb(gb); | |
| 2178 get_ue_golomb(gb); | |
| 2179 get_ue_golomb(gb); | |
| 2180 get_ue_golomb(gb); | |
| 2181 get_ue_golomb(gb); | |
| 2182 } | |
| 2183 } | |
| 2184 sps_extension_flag = get_bits(gb, 1); | |
| 2185 sps_range_extension_flag = 0; | |
| 2186 sps_range_extension_flags = 0; | |
| 2187 if (sps_extension_flag) { | |
| 2188 sps_range_extension_flag = get_bits(gb, 1); | |
| 2189 sps_extension_7bits = get_bits(gb, 7); | |
| 2190 if (sps_extension_7bits != 0) { | |
| 2191 fprintf(stderr, "sps_extension_7bits must be 0\n"); | |
| 2192 return -1; | |
| 2193 } | |
| 2194 if (sps_range_extension_flag) { | |
| 2195 sps_range_extension_flags = get_bits(gb, 9); | |
|
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2196 if (sps_range_extension_flags & ((1 << (8 - 3)) | |
|
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|
2197 (1 << (8 - 4)) | |
|
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|
2198 (1 << (8 - 6)) | |
| 0 | 2199 (1 << (8 - 8)))) { |
| 2200 fprintf(stderr, "unsupported range extensions (0x%x)\n", | |
| 2201 sps_range_extension_flags); | |
| 2202 return -1; | |
| 2203 } | |
| 2204 } | |
| 2205 } | |
| 2206 | |
| 2207 /* build the modified SPS */ | |
| 2208 msps_buf = malloc(nal_len + 32); | |
| 2209 memset(msps_buf, 0, nal_len + 16); | |
|
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|
2210 |
| 0 | 2211 init_put_bits(pb, msps_buf); |
| 2212 put_ue_golomb(pb, log2_min_cb_size - 3); | |
| 2213 put_ue_golomb(pb, log2_diff_max_min_coding_block_size); | |
| 2214 put_ue_golomb(pb, log2_min_tb_size - 2); | |
| 2215 put_ue_golomb(pb, log2_diff_max_min_transform_block_size); | |
| 2216 put_ue_golomb(pb, max_transform_hierarchy_depth_intra); | |
| 2217 put_bits(pb, 1, sao_enabled); | |
| 2218 put_bits(pb, 1, pcm_enabled_flag); | |
| 2219 if (pcm_enabled_flag) { | |
| 2220 put_bits(pb, 4, pcm_sample_bit_depth_luma_minus1); | |
| 2221 put_bits(pb, 4, pcm_sample_bit_depth_chroma_minus1); | |
| 2222 put_ue_golomb(pb, log2_min_pcm_luma_coding_block_size_minus3); | |
| 2223 put_ue_golomb(pb, log2_diff_max_min_pcm_luma_coding_block_size); | |
| 2224 put_bits(pb, 1, pcm_loop_filter_disabled_flag); | |
| 2225 } | |
| 2226 put_bits(pb, 1, sps_strong_intra_smoothing_enable_flag); | |
| 2227 put_bits(pb, 1, sps_extension_flag); | |
| 2228 if (sps_extension_flag) { | |
| 2229 put_bits(pb, 1, sps_range_extension_flag); | |
| 2230 put_bits(pb, 7, 0); | |
| 2231 if (sps_range_extension_flag) { | |
| 2232 put_bits(pb, 9, sps_range_extension_flags); | |
| 2233 } | |
| 2234 } | |
| 2235 msps_buf_len = (pb->idx + 7) >> 3; | |
| 2236 | |
| 2237 out_buf_len_max = 5 + msps_buf_len; | |
| 2238 out_buf = malloc(out_buf_len_max); | |
| 2239 | |
| 2240 // printf("msps_n_bits=%d\n", pb->idx); | |
| 2241 p = out_buf; | |
| 2242 put_ue(&p, msps_buf_len); /* header length */ | |
| 2243 | |
| 2244 memcpy(p, msps_buf, msps_buf_len); | |
| 2245 p += msps_buf_len; | |
|
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|
2246 |
| 0 | 2247 out_buf_len = p - out_buf; |
| 2248 free(msps_buf); | |
| 2249 free(nal_buf); | |
| 2250 } | |
| 2251 *pout_buf = out_buf; | |
| 2252 *pout_buf_len = out_buf_len; | |
| 2253 return idx; | |
| 2254 } | |
| 2255 | |
| 2256 static int add_frame_duration_sei(DynBuf *out_buf, uint16_t frame_ticks) | |
| 2257 { | |
| 2258 uint8_t nal_buf[128], *q; | |
| 2259 int nut, nal_len; | |
| 2260 | |
| 2261 q = nal_buf; | |
| 2262 *q++ = 0x00; | |
| 2263 *q++ = 0x00; | |
| 2264 *q++ = 0x01; | |
| 2265 nut = 39; /* prefix SEI NUT */ | |
| 2266 *q++ = (nut << 1); | |
| 2267 *q++ = 1; | |
| 2268 *q++ = 0xff; /* payload_type = 257 */ | |
| 2269 *q++ = 0x02; | |
| 2270 *q++ = 2; /* payload_size = 2 */ | |
| 2271 *q++ = frame_ticks >> 8; | |
| 2272 *q++ = frame_ticks; | |
| 2273 *q++ = 0x80; /* extra '1' bit and align to byte */ | |
| 2274 /* Note: the 0x00 0x00 b pattern with b <= 3 cannot happen, so no | |
| 2275 need to escape */ | |
| 2276 nal_len = q - nal_buf; | |
| 2277 if (dyn_buf_resize(out_buf, out_buf->len + nal_len) < 0) | |
| 2278 return -1; | |
| 2279 memcpy(out_buf->buf + out_buf->len, nal_buf, nal_len); | |
| 2280 out_buf->len += nal_len; | |
| 2281 return 0; | |
| 2282 } | |
| 2283 | |
|
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|
2284 static int build_modified_hevc(uint8_t **pout_buf, |
| 0 | 2285 const uint8_t *cbuf, int cbuf_len, |
| 2286 const uint8_t *abuf, int abuf_len, | |
| 2287 const uint16_t *frame_duration_tab, | |
| 2288 int frame_count) | |
| 2289 { | |
| 2290 DynBuf out_buf_s, *out_buf = &out_buf_s; | |
| 2291 uint8_t *msps; | |
| 2292 const uint8_t *nal_buf; | |
| 2293 int msps_len, cidx, aidx, is_alpha, nal_len, first_nal, start, l, frame_num; | |
|
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|
2294 |
| 0 | 2295 dyn_buf_init(out_buf); |
|
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|
2296 |
| 0 | 2297 /* add alpha MSPS */ |
| 2298 aidx = 0; /* avoids warning */ | |
| 2299 if (abuf) { | |
| 2300 aidx = build_modified_sps(&msps, &msps_len, abuf, abuf_len); | |
| 2301 if (aidx < 0) | |
| 2302 goto fail; | |
| 2303 if (dyn_buf_resize(out_buf, out_buf->len + msps_len) < 0) | |
| 2304 goto fail; | |
| 2305 memcpy(out_buf->buf + out_buf->len, msps, msps_len); | |
| 2306 out_buf->len += msps_len; | |
| 2307 free(msps); | |
| 2308 } | |
|
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|
2309 |
| 0 | 2310 /* add color MSPS */ |
| 2311 cidx = build_modified_sps(&msps, &msps_len, cbuf, cbuf_len); | |
| 2312 if (cidx < 0) | |
| 2313 goto fail; | |
| 2314 if (dyn_buf_resize(out_buf, out_buf->len + msps_len) < 0) | |
| 2315 goto fail; | |
| 2316 memcpy(out_buf->buf + out_buf->len, msps, msps_len); | |
| 2317 out_buf->len += msps_len; | |
| 2318 free(msps); | |
| 2319 | |
| 2320 /* add the remaining NALs, alternating between alpha (if present) | |
| 2321 and color. */ | |
| 2322 is_alpha = (abuf != NULL); | |
| 2323 first_nal = 1; | |
| 2324 frame_num = 0; | |
| 2325 for(;;) { | |
| 2326 if (!is_alpha) { | |
| 2327 if (cidx >= cbuf_len) { | |
| 2328 if (abuf) { | |
| 2329 fprintf(stderr, "Incorrect number of alpha NALs\n"); | |
| 2330 goto fail; | |
| 2331 } | |
| 2332 break; | |
| 2333 } | |
| 2334 nal_buf = cbuf + cidx; | |
| 2335 nal_len = find_nal_end(nal_buf, cbuf_len - cidx); | |
| 2336 // printf("cidx=%d/%d nal_len=%d\n", cidx, cbuf_len, nal_len); | |
| 2337 if (nal_len < 0) | |
| 2338 goto fail; | |
| 2339 cidx += nal_len; | |
| 2340 } else { | |
|
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diff
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|
2341 if (aidx >= abuf_len) |
| 0 | 2342 break; |
| 2343 nal_buf = abuf + aidx; | |
| 2344 nal_len = find_nal_end(nal_buf, abuf_len - aidx); | |
| 2345 // printf("aidx=%d/%d nal_len=%d\n", aidx, abuf_len, nal_len); | |
| 2346 if (nal_len < 0) | |
| 2347 goto fail; | |
| 2348 aidx += nal_len; | |
| 2349 } | |
| 2350 start = 3 + (nal_buf[2] == 0); | |
| 2351 if (!is_alpha) { | |
| 2352 int nut; | |
| 2353 /* add SEI NAL for the frame duration (animation case) */ | |
| 2354 nut = (nal_buf[start] >> 1) & 0x3f; | |
|
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|
2355 if ((nut <= 9 || (nut >= 16 && nut <= 21)) && |
| 0 | 2356 start + 2 < nal_len && (nal_buf[start + 2] & 0x80)) { |
| 2357 int frame_ticks; | |
| 2358 assert(frame_num < frame_count); | |
| 2359 frame_ticks = frame_duration_tab[frame_num]; | |
| 2360 if (frame_ticks > 1) { | |
| 2361 add_frame_duration_sei(out_buf, frame_ticks); | |
| 2362 } | |
| 2363 frame_num++; | |
| 2364 } | |
| 2365 } | |
| 2366 if (first_nal) { | |
| 2367 /* skip first start code */ | |
| 2368 l = start; | |
| 2369 } else { | |
| 2370 l = 0; | |
| 2371 } | |
| 2372 if (dyn_buf_resize(out_buf, out_buf->len + nal_len - l) < 0) | |
| 2373 goto fail; | |
| 2374 // printf("add nal len=%d\n", nal_len - l); | |
| 2375 memcpy(out_buf->buf + out_buf->len, nal_buf + l, nal_len - l); | |
| 2376 if (is_alpha) { | |
| 2377 /* set nul_layer_id of alpha to '1' */ | |
| 2378 out_buf->buf[out_buf->len + (start - l) + 1] |= 1 << 3; | |
| 2379 } | |
| 2380 out_buf->len += nal_len - l; | |
| 2381 | |
| 2382 if (abuf) { | |
| 2383 is_alpha ^= 1; | |
| 2384 } | |
| 2385 first_nal = 0; | |
| 2386 } | |
| 2387 *pout_buf = out_buf->buf; | |
| 2388 return out_buf->len; | |
| 2389 fail: | |
| 2390 free(out_buf->buf); | |
| 2391 return -1; | |
| 2392 } | |
| 2393 | |
| 2394 typedef enum { | |
| 2395 #if defined(USE_X265) | |
| 2396 HEVC_ENCODER_X265, | |
| 2397 #endif | |
| 2398 #if defined(USE_JCTVC) | |
| 2399 HEVC_ENCODER_JCTVC, | |
| 2400 #endif | |
| 2401 | |
| 2402 HEVC_ENCODER_COUNT, | |
| 2403 } HEVCEncoderEnum; | |
| 2404 | |
| 2405 static char *hevc_encoder_name[HEVC_ENCODER_COUNT] = { | |
| 2406 #if defined(USE_X265) | |
| 2407 "x265", | |
| 2408 #endif | |
| 2409 #if defined(USE_JCTVC) | |
| 2410 "jctvc", | |
| 2411 #endif | |
| 2412 }; | |
| 2413 | |
| 2414 static HEVCEncoder *hevc_encoder_tab[HEVC_ENCODER_COUNT] = { | |
| 2415 #if defined(USE_X265) | |
| 2416 &x265_hevc_encoder, | |
| 2417 #endif | |
| 2418 #if defined(USE_JCTVC) | |
| 2419 &jctvc_encoder, | |
| 2420 #endif | |
| 2421 }; | |
| 2422 | |
| 2423 #define IMAGE_HEADER_MAGIC 0x425047fb | |
| 2424 | |
| 2425 #define DEFAULT_OUTFILENAME "out.bpg" | |
| 2426 #define DEFAULT_QP 29 | |
| 2427 #define DEFAULT_BIT_DEPTH 8 | |
| 2428 | |
| 2429 #ifdef RExt__HIGH_BIT_DEPTH_SUPPORT | |
| 2430 #define BIT_DEPTH_MAX 14 | |
| 2431 #else | |
| 2432 #define BIT_DEPTH_MAX 12 | |
| 2433 #endif | |
| 2434 #define DEFAULT_COMPRESS_LEVEL 8 | |
| 2435 | |
| 2436 | |
| 2437 typedef struct BPGEncoderContext BPGEncoderContext; | |
| 2438 | |
| 2439 typedef struct BPGEncoderParameters { | |
| 2440 int qp; /* 0 ... 51 */ | |
| 2441 int alpha_qp; /* -1 ... 51. -1 means same as qp */ | |
| 2442 int lossless; /* true if lossless compression (qp and alpha_qp are | |
| 2443 ignored) */ | |
| 2444 BPGImageFormatEnum preferred_chroma_format; | |
| 2445 int sei_decoded_picture_hash; /* 0, 1 */ | |
| 2446 int compress_level; /* 1 ... 9 */ | |
| 2447 int verbose; | |
| 2448 HEVCEncoderEnum encoder_type; | |
| 2449 int animated; /* 0 ... 1: if true, encode as animated image */ | |
| 2450 uint16_t loop_count; /* animations: number of loops. 0=infinite */ | |
| 2451 /* animations: the frame delay is a multiple of | |
| 2452 frame_delay_num/frame_delay_den seconds */ | |
| 2453 uint16_t frame_delay_num; | |
| 2454 uint16_t frame_delay_den; | |
| 2455 } BPGEncoderParameters; | |
| 2456 | |
| 2457 typedef int BPGEncoderWriteFunc(void *opaque, const uint8_t *buf, int buf_len); | |
| 2458 | |
| 2459 struct BPGEncoderContext { | |
| 2460 BPGEncoderParameters params; | |
| 2461 BPGMetaData *first_md; | |
| 2462 HEVCEncoder *encoder; | |
| 2463 int frame_count; | |
| 2464 HEVCEncoderContext *enc_ctx; | |
| 2465 HEVCEncoderContext *alpha_enc_ctx; | |
| 2466 int frame_ticks; | |
| 2467 uint16_t *frame_duration_tab; | |
| 2468 int frame_duration_tab_size; | |
| 2469 }; | |
| 2470 | |
| 2471 void *mallocz(size_t size) | |
| 2472 { | |
| 2473 void *ptr; | |
| 2474 ptr = malloc(size); | |
| 2475 if (!ptr) | |
| 2476 return NULL; | |
| 2477 memset(ptr, 0, size); | |
| 2478 return ptr; | |
| 2479 } | |
| 2480 | |
| 2481 BPGEncoderParameters *bpg_encoder_param_alloc(void) | |
| 2482 { | |
| 2483 BPGEncoderParameters *p; | |
| 2484 p = mallocz(sizeof(BPGEncoderParameters)); | |
| 2485 if (!p) | |
| 2486 return NULL; | |
| 2487 p->qp = DEFAULT_QP; | |
| 2488 p->alpha_qp = -1; | |
| 2489 p->preferred_chroma_format = BPG_FORMAT_420; | |
| 2490 p->compress_level = DEFAULT_COMPRESS_LEVEL; | |
| 2491 p->frame_delay_num = 1; | |
| 2492 p->frame_delay_den = 25; | |
| 2493 p->loop_count = 0; | |
| 2494 return p; | |
| 2495 } | |
| 2496 | |
| 2497 void bpg_encoder_param_free(BPGEncoderParameters *p) | |
| 2498 { | |
| 2499 free(p); | |
| 2500 } | |
| 2501 | |
| 2502 BPGEncoderContext *bpg_encoder_open(BPGEncoderParameters *p) | |
| 2503 { | |
| 2504 BPGEncoderContext *s; | |
| 2505 | |
| 2506 s = mallocz(sizeof(BPGEncoderContext)); | |
| 2507 if (!s) | |
| 2508 return NULL; | |
| 2509 s->params = *p; | |
| 2510 s->encoder = hevc_encoder_tab[s->params.encoder_type]; | |
| 2511 s->frame_ticks = 1; | |
| 2512 return s; | |
| 2513 } | |
| 2514 | |
|
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|
2515 void bpg_encoder_set_extension_data(BPGEncoderContext *s, |
| 0 | 2516 BPGMetaData *md) |
| 2517 { | |
| 2518 s->first_md = md; | |
| 2519 } | |
| 2520 | |
|
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|
2521 static int bpg_encoder_encode_trailer(BPGEncoderContext *s, |
| 0 | 2522 BPGEncoderWriteFunc *write_func, |
| 2523 void *opaque) | |
| 2524 { | |
| 2525 uint8_t *out_buf, *alpha_buf, *hevc_buf; | |
| 2526 int out_buf_len, alpha_buf_len, hevc_buf_len; | |
| 2527 | |
| 2528 out_buf_len = s->encoder->close(s->enc_ctx, &out_buf); | |
| 2529 if (out_buf_len < 0) { | |
| 2530 fprintf(stderr, "Error while encoding picture\n"); | |
| 2531 exit(1); | |
| 2532 } | |
| 2533 s->enc_ctx = NULL; | |
|
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|
2534 |
| 0 | 2535 alpha_buf = NULL; |
| 2536 alpha_buf_len = 0; | |
| 2537 if (s->alpha_enc_ctx) { | |
| 2538 alpha_buf_len = s->encoder->close(s->alpha_enc_ctx, &alpha_buf); | |
| 2539 if (alpha_buf_len < 0) { | |
| 2540 fprintf(stderr, "Error while encoding picture (alpha plane)\n"); | |
| 2541 exit(1); | |
| 2542 } | |
| 2543 s->alpha_enc_ctx = NULL; | |
| 2544 } | |
|
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2545 |
| 0 | 2546 hevc_buf = NULL; |
| 2547 hevc_buf_len = build_modified_hevc(&hevc_buf, out_buf, out_buf_len, | |
| 2548 alpha_buf, alpha_buf_len, | |
| 2549 s->frame_duration_tab, s->frame_count); | |
| 2550 if (hevc_buf_len < 0) { | |
| 2551 fprintf(stderr, "Error while creating HEVC data\n"); | |
| 2552 exit(1); | |
| 2553 } | |
| 2554 free(out_buf); | |
| 2555 free(alpha_buf); | |
|
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|
2556 |
| 0 | 2557 if (write_func(opaque, hevc_buf, hevc_buf_len) != hevc_buf_len) { |
| 2558 fprintf(stderr, "Error while writing HEVC data\n"); | |
| 2559 exit(1); | |
| 2560 } | |
| 2561 free(hevc_buf); | |
| 2562 return 0; | |
| 2563 } | |
| 2564 | |
| 2565 int bpg_encoder_set_frame_duration(BPGEncoderContext *s, int frame_ticks) | |
| 2566 { | |
| 2567 if (frame_ticks >= 1 && frame_ticks <= 65535) { | |
| 2568 s->frame_ticks = frame_ticks; | |
| 2569 return 0; | |
| 2570 } else { | |
| 2571 return -1; | |
| 2572 } | |
| 2573 } | |
| 2574 | |
| 2575 /* Warning: currently 'img' is modified. When encoding animations, img | |
| 2576 = NULL indicates the end of the stream. */ | |
| 2577 int bpg_encoder_encode(BPGEncoderContext *s, Image *img, | |
| 2578 BPGEncoderWriteFunc *write_func, | |
| 2579 void *opaque) | |
| 2580 { | |
| 2581 const BPGEncoderParameters *p = &s->params; | |
| 2582 Image *img_alpha; | |
| 2583 HEVCEncodeParams ep_s, *ep = &ep_s; | |
| 2584 uint8_t *extension_buf; | |
| 2585 int extension_buf_len; | |
| 2586 int cb_size, width, height; | |
| 2587 | |
| 2588 if (p->animated && !img) { | |
| 2589 return bpg_encoder_encode_trailer(s, write_func, opaque); | |
| 2590 } | |
| 2591 | |
| 2592 /* extract the alpha plane */ | |
| 2593 if (img->has_alpha) { | |
| 2594 int c_idx; | |
| 2595 | |
| 2596 img_alpha = malloc(sizeof(Image)); | |
| 2597 memset(img_alpha, 0, sizeof(*img_alpha)); | |
| 2598 if (img->format == BPG_FORMAT_GRAY) | |
| 2599 c_idx = 1; | |
| 2600 else | |
| 2601 c_idx = 3; | |
| 2602 | |
| 2603 img_alpha->w = img->w; | |
| 2604 img_alpha->h = img->h; | |
| 2605 img_alpha->format = BPG_FORMAT_GRAY; | |
| 2606 img_alpha->has_alpha = 0; | |
| 2607 img_alpha->color_space = BPG_CS_YCbCr; | |
| 2608 img_alpha->bit_depth = img->bit_depth; | |
| 2609 img_alpha->pixel_shift = img->pixel_shift; | |
| 2610 img_alpha->data[0] = img->data[c_idx]; | |
| 2611 img_alpha->linesize[0] = img->linesize[c_idx]; | |
|
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2612 |
| 0 | 2613 img->data[c_idx] = NULL; |
| 2614 img->has_alpha = 0; | |
| 2615 } else { | |
| 2616 img_alpha = NULL; | |
| 2617 } | |
| 2618 | |
| 2619 if (img->format == BPG_FORMAT_444 && img->color_space != BPG_CS_RGB) { | |
| 2620 if (p->preferred_chroma_format == BPG_FORMAT_420 || | |
| 2621 p->preferred_chroma_format == BPG_FORMAT_420_VIDEO) { | |
| 2622 int c_h_phase = (p->preferred_chroma_format == BPG_FORMAT_420); | |
| 2623 if (image_ycc444_to_ycc420(img, c_h_phase) != 0) | |
| 2624 goto error_convert; | |
| 2625 } else if (p->preferred_chroma_format == BPG_FORMAT_422 || | |
| 2626 p->preferred_chroma_format == BPG_FORMAT_422_VIDEO) { | |
| 2627 int c_h_phase = (p->preferred_chroma_format == BPG_FORMAT_422); | |
| 2628 if (image_ycc444_to_ycc422(img, c_h_phase) != 0) { | |
| 2629 error_convert: | |
| 2630 fprintf(stderr, "Cannot convert image\n"); | |
| 2631 exit(1); | |
| 2632 } | |
| 2633 } | |
| 2634 } | |
| 2635 | |
| 2636 cb_size = 8; /* XXX: should make it configurable. We assume the | |
| 2637 HEVC encoder uses the same value */ | |
| 2638 width = img->w; | |
| 2639 height = img->h; | |
| 2640 image_pad(img, cb_size); | |
| 2641 if (img_alpha) | |
| 2642 image_pad(img_alpha, cb_size); | |
| 2643 | |
| 2644 /* convert to the allocated pixel width to 8 bit if needed by the | |
| 2645 HEVC encoder */ | |
| 2646 if (img->bit_depth == 8) { | |
| 2647 image_convert16to8(img); | |
| 2648 if (img_alpha) | |
| 2649 image_convert16to8(img_alpha); | |
| 2650 } | |
|
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|
2651 |
| 0 | 2652 if (s->frame_count == 0) { |
| 2653 memset(ep, 0, sizeof(*ep)); | |
| 2654 ep->qp = p->qp; | |
| 2655 ep->width = img->w; | |
| 2656 ep->height = img->h; | |
| 2657 ep->chroma_format = img->format; | |
| 2658 ep->bit_depth = img->bit_depth; | |
| 2659 ep->intra_only = !p->animated; | |
| 2660 ep->lossless = p->lossless; | |
| 2661 ep->sei_decoded_picture_hash = p->sei_decoded_picture_hash; | |
| 2662 ep->compress_level = p->compress_level; | |
| 2663 ep->verbose = p->verbose; | |
| 2664 | |
| 2665 s->enc_ctx = s->encoder->open(ep); | |
| 2666 if (!s->enc_ctx) { | |
| 2667 fprintf(stderr, "Error while opening encoder\n"); | |
| 2668 exit(1); | |
| 2669 } | |
| 2670 | |
| 2671 if (img_alpha) { | |
| 2672 if (p->alpha_qp < 0) | |
| 2673 ep->qp = p->qp; | |
| 2674 else | |
| 2675 ep->qp = p->alpha_qp; | |
| 2676 ep->chroma_format = 0; | |
|
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|
2677 |
| 0 | 2678 s->alpha_enc_ctx = s->encoder->open(ep); |
| 2679 if (!s->alpha_enc_ctx) { | |
| 2680 fprintf(stderr, "Error while opening alpha encoder\n"); | |
| 2681 exit(1); | |
| 2682 } | |
| 2683 } | |
| 2684 | |
| 2685 /* prepare the extension data */ | |
| 2686 if (p->animated) { | |
| 2687 BPGMetaData *md; | |
| 2688 uint8_t buf[15], *q; | |
| 2689 | |
| 2690 md = bpg_md_alloc(BPG_EXTENSION_TAG_ANIM_CONTROL); | |
| 2691 q = buf; | |
| 2692 put_ue(&q, p->loop_count); | |
| 2693 put_ue(&q, p->frame_delay_num); | |
| 2694 put_ue(&q, p->frame_delay_den); | |
| 2695 md->buf_len = q - buf; | |
| 2696 md->buf = malloc(md->buf_len); | |
| 2697 memcpy(md->buf, buf, md->buf_len); | |
| 2698 md->next = s->first_md; | |
| 2699 s->first_md = md; | |
| 2700 } | |
| 2701 | |
| 2702 extension_buf = NULL; | |
| 2703 extension_buf_len = 0; | |
| 2704 if (s->first_md) { | |
| 2705 BPGMetaData *md1; | |
| 2706 int max_len; | |
| 2707 uint8_t *q; | |
|
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|
2708 |
| 0 | 2709 max_len = 0; |
| 2710 for(md1 = s->first_md; md1 != NULL; md1 = md1->next) { | |
| 2711 max_len += md1->buf_len + 5 * 2; | |
| 2712 } | |
| 2713 extension_buf = malloc(max_len); | |
| 2714 q = extension_buf; | |
| 2715 for(md1 = s->first_md; md1 != NULL; md1 = md1->next) { | |
| 2716 put_ue(&q, md1->tag); | |
| 2717 put_ue(&q, md1->buf_len); | |
| 2718 memcpy(q, md1->buf, md1->buf_len); | |
| 2719 q += md1->buf_len; | |
| 2720 } | |
| 2721 extension_buf_len = q - extension_buf; | |
|
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|
2722 |
| 0 | 2723 bpg_md_free(s->first_md); |
| 2724 s->first_md = NULL; | |
| 2725 } | |
|
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|
2726 |
| 0 | 2727 { |
| 2728 uint8_t img_header[128], *q; | |
| 2729 int v, has_alpha, has_extension, alpha2_flag, alpha1_flag, format; | |
|
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|
2730 |
| 0 | 2731 has_alpha = (img_alpha != NULL); |
| 2732 has_extension = (extension_buf_len > 0); | |
|
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|
2733 |
|
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|
2734 |
| 0 | 2735 if (has_alpha) { |
| 2736 if (img->has_w_plane) { | |
| 2737 alpha1_flag = 0; | |
| 2738 alpha2_flag = 1; | |
| 2739 } else { | |
| 2740 alpha1_flag = 1; | |
| 2741 alpha2_flag = img->premultiplied_alpha; | |
| 2742 } | |
| 2743 } else { | |
| 2744 alpha1_flag = 0; | |
| 2745 alpha2_flag = 0; | |
| 2746 } | |
|
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|
2747 |
| 0 | 2748 q = img_header; |
| 2749 *q++ = (IMAGE_HEADER_MAGIC >> 24) & 0xff; | |
| 2750 *q++ = (IMAGE_HEADER_MAGIC >> 16) & 0xff; | |
| 2751 *q++ = (IMAGE_HEADER_MAGIC >> 8) & 0xff; | |
| 2752 *q++ = (IMAGE_HEADER_MAGIC >> 0) & 0xff; | |
| 2753 | |
| 2754 if (img->c_h_phase == 0 && img->format == BPG_FORMAT_420) | |
| 2755 format = BPG_FORMAT_420_VIDEO; | |
| 2756 else if (img->c_h_phase == 0 && img->format == BPG_FORMAT_422) | |
| 2757 format = BPG_FORMAT_422_VIDEO; | |
| 2758 else | |
| 2759 format = img->format; | |
| 2760 v = (format << 5) | (alpha1_flag << 4) | (img->bit_depth - 8); | |
| 2761 *q++ = v; | |
| 2762 v = (img->color_space << 4) | (has_extension << 3) | | |
| 2763 (alpha2_flag << 2) | (img->limited_range << 1) | | |
| 2764 p->animated; | |
| 2765 *q++ = v; | |
| 2766 put_ue(&q, width); | |
| 2767 put_ue(&q, height); | |
|
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4
diff
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|
2768 |
| 0 | 2769 put_ue(&q, 0); /* zero length means up to the end of the file */ |
| 2770 if (has_extension) { | |
| 2771 put_ue(&q, extension_buf_len); /* extension data length */ | |
| 2772 } | |
|
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4
diff
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|
2773 |
| 0 | 2774 write_func(opaque, img_header, q - img_header); |
|
5
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4
diff
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|
2775 |
| 0 | 2776 if (has_extension) { |
| 2777 if (write_func(opaque, extension_buf, extension_buf_len) != extension_buf_len) { | |
| 2778 fprintf(stderr, "Error while writing extension data\n"); | |
| 2779 exit(1); | |
| 2780 } | |
| 2781 free(extension_buf); | |
| 2782 } | |
| 2783 } | |
| 2784 } | |
| 2785 | |
| 2786 /* store the frame duration */ | |
| 2787 if ((s->frame_count + 1) > s->frame_duration_tab_size) { | |
| 2788 s->frame_duration_tab_size = (s->frame_duration_tab_size * 3) / 2; | |
| 2789 if (s->frame_duration_tab_size < (s->frame_count + 1)) | |
| 2790 s->frame_duration_tab_size = (s->frame_count + 1); | |
|
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Matti Hamalainen <ccr@tnsp.org>
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4
diff
changeset
|
2791 s->frame_duration_tab = realloc(s->frame_duration_tab, |
| 0 | 2792 sizeof(s->frame_duration_tab) * s->frame_duration_tab_size); |
| 2793 } | |
| 2794 s->frame_duration_tab[s->frame_count] = s->frame_ticks; | |
| 2795 | |
| 2796 s->encoder->encode(s->enc_ctx, img); | |
|
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Matti Hamalainen <ccr@tnsp.org>
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4
diff
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|
2797 |
| 0 | 2798 if (img_alpha) { |
| 2799 s->encoder->encode(s->alpha_enc_ctx, img_alpha); | |
| 2800 image_free(img_alpha); | |
| 2801 } | |
|
5
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
2802 |
| 0 | 2803 s->frame_count++; |
| 2804 | |
| 2805 if (!p->animated) | |
| 2806 bpg_encoder_encode_trailer(s, write_func, opaque); | |
| 2807 | |
| 2808 return 0; | |
| 2809 } | |
| 2810 | |
| 2811 void bpg_encoder_close(BPGEncoderContext *s) | |
| 2812 { | |
| 2813 free(s->frame_duration_tab); | |
| 2814 bpg_md_free(s->first_md); | |
| 2815 free(s); | |
| 2816 } | |
| 2817 | |
| 2818 static int my_write_func(void *opaque, const uint8_t *buf, int buf_len) | |
| 2819 { | |
| 2820 FILE *f = opaque; | |
| 2821 return fwrite(buf, 1, buf_len, f); | |
| 2822 } | |
| 2823 | |
| 2824 static int get_filename_num(char *buf, int buf_size, const char *str, int n) | |
| 2825 { | |
|
15
29527d65b71a
Fix assigned-but-unused variable warning.
Matti Hamalainen <ccr@tnsp.org>
parents:
14
diff
changeset
|
2826 const char *p; |
| 0 | 2827 char *q; |
| 2828 int l, c; | |
| 2829 | |
| 2830 q = buf; | |
| 2831 p = str; | |
| 2832 for(;;) { | |
| 2833 c = *p++; | |
| 2834 if (c == '\0') | |
| 2835 break; | |
| 2836 if (c == '%') { | |
| 2837 l = 0; | |
| 2838 for(;;) { | |
| 2839 c = *p; | |
| 2840 if (c < '0' || c > '9') | |
| 2841 break; | |
| 2842 l = l * 10 + (c - '0'); | |
| 2843 p++; | |
| 2844 } | |
| 2845 c = *p++; | |
| 2846 if (c == '%') { | |
| 2847 goto add_char; | |
| 2848 } else if (c != 'd') { | |
| 2849 return -1; | |
| 2850 } | |
| 2851 snprintf(q, buf + buf_size - q, "%0*u", l, n); | |
| 2852 q += strlen(q); | |
|
5
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Matti Hamalainen <ccr@tnsp.org>
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4
diff
changeset
|
2853 |
| 0 | 2854 } else { |
| 2855 add_char: | |
| 2856 if ((q - buf) < buf_size - 1) | |
| 2857 *q++ = c; | |
| 2858 } | |
| 2859 } | |
| 2860 *q = '\0'; | |
| 2861 return 0; | |
| 2862 } | |
| 2863 | |
| 2864 void help(int is_full) | |
| 2865 { | |
| 2866 char hevc_encoders[128]; | |
| 2867 int i; | |
| 2868 | |
| 2869 hevc_encoders[0] = '\0'; | |
| 2870 for(i = 0; i < HEVC_ENCODER_COUNT; i++) { | |
| 2871 if (i != 0) | |
| 2872 strcat(hevc_encoders, " "); | |
| 2873 strcat(hevc_encoders, hevc_encoder_name[i]); | |
| 2874 } | |
|
5
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Matti Hamalainen <ccr@tnsp.org>
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4
diff
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|
2875 |
| 0 | 2876 printf("BPG Image Encoder version " CONFIG_BPG_VERSION "\n" |
|
5
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4
diff
changeset
|
2877 "usage: bpgenc [options] infile.[jpg|png|tiff]\n" |
| 0 | 2878 "\n" |
| 2879 "Main options:\n" | |
| 2880 "-h show the full help (including the advanced options)\n" | |
| 2881 "-o outfile set output filename (default = %s)\n" | |
|
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Matti Hamalainen <ccr@tnsp.org>
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4
diff
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|
2882 "-q qp set quantizer parameter (smaller gives better quality,\n" |
| 0 | 2883 " range: 0-51, default = %d)\n" |
| 2884 "-f cfmt set the preferred chroma format (420, 422, 444,\n" | |
| 2885 " default=420)\n" | |
| 2886 "-c color_space set the preferred color space (ycbcr, rgb, ycgco,\n" | |
| 2887 " ycbcr_bt709, ycbcr_bt2020, default=ycbcr)\n" | |
| 2888 "-b bit_depth set the bit depth (8 to %d, default = %d)\n" | |
| 2889 "-lossless enable lossless mode\n" | |
| 2890 "-e encoder select the HEVC encoder (%s, default = %s)\n" | |
| 2891 "-m level select the compression level (1=fast, 9=slow, default = %d)\n" | |
| 2892 "\n" | |
| 2893 "Animation options:\n" | |
| 2894 "-a generate animations from a sequence of images. Use %%d or\n" | |
| 2895 " %%Nd (N = number of digits) in the filename to specify the\n" | |
| 2896 " image index, starting from 0 or 1.\n" | |
| 2897 "-fps N set the frame rate (default = 25)\n" | |
| 2898 "-loop N set the number of times the animation is played. 0 means\n" | |
| 2899 " infinite (default = 0)\n" | |
| 2900 "-delayfile file text file containing one number per image giving the\n" | |
| 2901 " display delay per image in centiseconds.\n" | |
| 2902 , DEFAULT_OUTFILENAME, DEFAULT_QP, BIT_DEPTH_MAX, DEFAULT_BIT_DEPTH, | |
| 2903 hevc_encoders, hevc_encoder_name[0], DEFAULT_COMPRESS_LEVEL); | |
| 2904 | |
| 2905 if (is_full) { | |
| 2906 printf("\nAdvanced options:\n" | |
| 2907 "-alphaq set quantizer parameter for the alpha channel (default = same as -q value)\n" | |
| 2908 "-premul store the color with premultiplied alpha\n" | |
| 2909 "-limitedrange encode the color data with the limited range of video\n" | |
| 2910 "-hash include MD5 hash in HEVC bitstream\n" | |
| 2911 "-keepmetadata keep the metadata (from JPEG: EXIF, ICC profile, XMP, from PNG: ICC profile)\n" | |
| 2912 "-v show debug messages\n" | |
| 2913 ); | |
| 2914 } | |
| 2915 | |
| 2916 exit(1); | |
| 2917 } | |
| 2918 | |
| 2919 struct option long_opts[] = { | |
|
16
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Matti Hamalainen <ccr@tnsp.org>
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15
diff
changeset
|
2920 { "hash" , no_argument , NULL, 0 }, |
|
86b6c976ef2d
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Matti Hamalainen <ccr@tnsp.org>
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15
diff
changeset
|
2921 { "keepmetadata" , no_argument , NULL, 0 }, |
|
86b6c976ef2d
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Matti Hamalainen <ccr@tnsp.org>
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15
diff
changeset
|
2922 { "alphaq" , required_argument , NULL, 0 }, |
|
86b6c976ef2d
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Matti Hamalainen <ccr@tnsp.org>
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15
diff
changeset
|
2923 { "lossless" , no_argument , NULL, 0 }, |
|
86b6c976ef2d
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Matti Hamalainen <ccr@tnsp.org>
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15
diff
changeset
|
2924 { "limitedrange" , no_argument , NULL, 0 }, |
|
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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|
2925 { "premul" , no_argument , NULL, 0 }, |
|
86b6c976ef2d
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Matti Hamalainen <ccr@tnsp.org>
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15
diff
changeset
|
2926 { "loop" , required_argument , NULL, 0 }, |
|
86b6c976ef2d
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Matti Hamalainen <ccr@tnsp.org>
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15
diff
changeset
|
2927 { "fps" , required_argument , NULL, 0 }, |
|
86b6c976ef2d
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Matti Hamalainen <ccr@tnsp.org>
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15
diff
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|
2928 { "delayfile" , required_argument , NULL, 0 }, |
|
86b6c976ef2d
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Matti Hamalainen <ccr@tnsp.org>
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15
diff
changeset
|
2929 { NULL , 0 , NULL, 0 }, |
| 0 | 2930 }; |
| 2931 | |
| 2932 int main(int argc, char **argv) | |
| 2933 { | |
| 2934 const char *infilename, *outfilename, *frame_delay_file; | |
| 2935 Image *img; | |
| 2936 FILE *f; | |
| 2937 int c, option_index; | |
| 2938 int keep_metadata; | |
| 2939 int bit_depth, i, limited_range, premultiplied_alpha; | |
| 2940 BPGColorSpaceEnum color_space; | |
| 2941 BPGMetaData *md; | |
| 2942 BPGEncoderContext *enc_ctx; | |
| 2943 BPGEncoderParameters *p; | |
| 2944 | |
| 2945 p = bpg_encoder_param_alloc(); | |
| 2946 | |
| 2947 outfilename = DEFAULT_OUTFILENAME; | |
| 2948 color_space = BPG_CS_YCbCr; | |
| 2949 keep_metadata = 0; | |
| 2950 bit_depth = DEFAULT_BIT_DEPTH; | |
| 2951 limited_range = 0; | |
| 2952 premultiplied_alpha = 0; | |
| 2953 frame_delay_file = NULL; | |
|
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|
2954 |
| 0 | 2955 for(;;) { |
| 2956 c = getopt_long_only(argc, argv, "q:o:hf:c:vm:b:e:a", long_opts, &option_index); | |
| 2957 if (c == -1) | |
| 2958 break; | |
| 2959 switch(c) { | |
| 2960 case 0: | |
| 2961 switch(option_index) { | |
| 2962 case 0: | |
| 2963 p->sei_decoded_picture_hash = 1; | |
| 2964 break; | |
| 2965 case 1: | |
| 2966 keep_metadata = 1; | |
| 2967 break; | |
| 2968 case 2: | |
| 2969 p->alpha_qp = atoi(optarg); | |
| 2970 if (p->alpha_qp < 0 || p->alpha_qp > 51) { | |
| 2971 fprintf(stderr, "alpha_qp must be between 0 and 51\n"); | |
| 2972 exit(1); | |
| 2973 } | |
| 2974 break; | |
| 2975 case 3: | |
| 2976 p->lossless = 1; | |
| 2977 color_space = BPG_CS_RGB; | |
| 2978 p->preferred_chroma_format = BPG_FORMAT_444; | |
| 2979 bit_depth = 8; | |
| 2980 limited_range = 0; | |
| 2981 break; | |
| 2982 case 4: | |
| 2983 limited_range = 1; | |
| 2984 break; | |
| 2985 case 5: | |
| 2986 premultiplied_alpha = 1; | |
| 2987 break; | |
| 2988 case 6: | |
| 2989 p->loop_count = strtoul(optarg, NULL, 0); | |
| 2990 break; | |
| 2991 case 7: | |
| 2992 p->frame_delay_num = 1; | |
| 2993 p->frame_delay_den = strtoul(optarg, NULL, 0); | |
| 2994 if (p->frame_delay_den == 0) { | |
| 2995 fprintf(stderr, "invalid frame rate\n"); | |
| 2996 exit(1); | |
| 2997 } | |
| 2998 break; | |
| 2999 case 8: | |
| 3000 frame_delay_file = optarg; | |
| 3001 break; | |
| 3002 default: | |
| 3003 goto show_help; | |
| 3004 } | |
| 3005 break; | |
| 3006 case 'h': | |
| 3007 show_help: | |
| 3008 help(1); | |
| 3009 break; | |
| 3010 case 'q': | |
| 3011 p->qp = atoi(optarg); | |
| 3012 if (p->qp < 0 || p->qp > 51) { | |
| 3013 fprintf(stderr, "qp must be between 0 and 51\n"); | |
| 3014 exit(1); | |
| 3015 } | |
| 3016 break; | |
| 3017 case 'o': | |
| 3018 outfilename = optarg; | |
| 3019 break; | |
| 3020 case 'f': | |
| 3021 if (!strcmp(optarg, "420")) { | |
| 3022 p->preferred_chroma_format = BPG_FORMAT_420; | |
| 3023 } else if (!strcmp(optarg, "422")) { | |
| 3024 p->preferred_chroma_format = BPG_FORMAT_422; | |
| 3025 } else if (!strcmp(optarg, "444")) { | |
| 3026 p->preferred_chroma_format = BPG_FORMAT_444; | |
| 3027 } else if (!strcmp(optarg, "422_video")) { | |
| 3028 p->preferred_chroma_format = BPG_FORMAT_422_VIDEO; | |
| 3029 } else if (!strcmp(optarg, "420_video")) { | |
| 3030 p->preferred_chroma_format = BPG_FORMAT_420_VIDEO; | |
| 3031 } else { | |
| 3032 fprintf(stderr, "Invalid chroma format\n"); | |
| 3033 exit(1); | |
| 3034 } | |
| 3035 break; | |
| 3036 case 'c': | |
| 3037 if (!strcmp(optarg, "ycbcr")) { | |
| 3038 color_space = BPG_CS_YCbCr; | |
| 3039 } else if (!strcmp(optarg, "rgb")) { | |
| 3040 color_space = BPG_CS_RGB; | |
| 3041 p->preferred_chroma_format = BPG_FORMAT_444; | |
| 3042 } else if (!strcmp(optarg, "ycgco")) { | |
| 3043 color_space = BPG_CS_YCgCo; | |
| 3044 } else if (!strcmp(optarg, "ycbcr_bt709")) { | |
| 3045 color_space = BPG_CS_YCbCr_BT709; | |
| 3046 } else if (!strcmp(optarg, "ycbcr_bt2020")) { | |
| 3047 color_space = BPG_CS_YCbCr_BT2020; | |
| 3048 } else { | |
| 3049 fprintf(stderr, "Invalid color space format\n"); | |
| 3050 exit(1); | |
| 3051 } | |
| 3052 break; | |
| 3053 case 'm': | |
| 3054 p->compress_level = atoi(optarg); | |
| 3055 if (p->compress_level < 1) | |
| 3056 p->compress_level = 1; | |
| 3057 else if (p->compress_level > 9) | |
| 3058 p->compress_level = 9; | |
| 3059 break; | |
| 3060 case 'b': | |
| 3061 bit_depth = atoi(optarg); | |
| 3062 if (bit_depth < 8 || bit_depth > BIT_DEPTH_MAX) { | |
| 3063 fprintf(stderr, "Invalid bit depth (range: 8 to %d)\n", | |
| 3064 BIT_DEPTH_MAX); | |
| 3065 exit(1); | |
| 3066 } | |
| 3067 break; | |
| 3068 case 'v': | |
| 3069 p->verbose++; | |
| 3070 break; | |
| 3071 case 'e': | |
| 3072 for(i = 0; i < HEVC_ENCODER_COUNT; i++) { | |
| 3073 if (!strcmp(optarg, hevc_encoder_name[i])) | |
| 3074 break; | |
| 3075 } | |
| 3076 if (i == HEVC_ENCODER_COUNT) { | |
| 3077 fprintf(stderr, "Unsupported encoder. Available ones are:"); | |
| 3078 for(i = 0; i < HEVC_ENCODER_COUNT; i++) { | |
| 3079 fprintf(stderr, " %s", hevc_encoder_name[i]); | |
| 3080 } | |
| 3081 fprintf(stderr, "\n"); | |
| 3082 exit(1); | |
| 3083 } | |
| 3084 p->encoder_type = i; | |
| 3085 break; | |
| 3086 case 'a': | |
| 3087 p->animated = 1; | |
| 3088 break; | |
| 3089 default: | |
| 3090 exit(1); | |
| 3091 } | |
| 3092 } | |
| 3093 | |
|
5
524eae707ba4
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
3094 if (optind >= argc) |
| 0 | 3095 help(0); |
| 3096 infilename = argv[optind]; | |
| 3097 | |
| 3098 f = fopen(outfilename, "wb"); | |
| 3099 if (!f) { | |
| 3100 perror(outfilename); | |
| 3101 exit(1); | |
| 3102 } | |
| 3103 | |
| 3104 enc_ctx = bpg_encoder_open(p); | |
| 3105 if (!enc_ctx) { | |
| 3106 fprintf(stderr, "Could not open BPG encoder\n"); | |
| 3107 exit(1); | |
| 3108 } | |
| 3109 | |
| 3110 if (p->animated) { | |
| 3111 int frame_num, first_frame, frame_ticks; | |
| 3112 char filename[1024]; | |
| 3113 FILE *f1; | |
| 3114 | |
| 3115 if (frame_delay_file) { | |
| 3116 f1 = fopen(frame_delay_file, "r"); | |
| 3117 if (!f1) { | |
| 3118 fprintf(stderr, "Could not open '%s'\n", frame_delay_file); | |
| 3119 exit(1); | |
| 3120 } | |
| 3121 } else { | |
| 3122 f1 = NULL; | |
| 3123 } | |
| 3124 | |
| 3125 first_frame = 1; | |
| 3126 for(frame_num = 0; ; frame_num++) { | |
| 3127 if (get_filename_num(filename, sizeof(filename), infilename, frame_num) < 0) { | |
| 3128 fprintf(stderr, "Invalid filename syntax: '%s'\n", infilename); | |
| 3129 exit(1); | |
| 3130 } | |
| 3131 img = load_image(&md, filename, color_space, bit_depth, limited_range, | |
| 3132 premultiplied_alpha); | |
| 3133 if (!img) { | |
| 3134 if (frame_num == 0) | |
| 3135 continue; /* accept to start at 0 or 1 */ | |
| 3136 if (first_frame) { | |
| 3137 fprintf(stderr, "Could not read '%s'\n", filename); | |
| 3138 exit(1); | |
| 3139 } else { | |
| 3140 break; | |
| 3141 } | |
| 3142 } | |
| 3143 frame_ticks = 1; | |
| 3144 if (f1) { | |
| 3145 float fdelay; | |
| 3146 if (fscanf(f1, "%f", &fdelay) == 1) { | |
| 3147 frame_ticks = lrint(fdelay * p->frame_delay_den / (p->frame_delay_num * 100)); | |
| 3148 if (frame_ticks < 1) | |
| 3149 frame_ticks = 1; | |
| 3150 } | |
| 3151 } | |
|
5
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
3152 |
| 0 | 3153 if (p->verbose) |
| 3154 printf("Encoding '%s' ticks=%d\n", filename, frame_ticks); | |
|
5
524eae707ba4
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
3155 |
| 0 | 3156 if (keep_metadata && first_frame) { |
| 3157 bpg_encoder_set_extension_data(enc_ctx, md); | |
| 3158 } else { | |
| 3159 bpg_md_free(md); | |
| 3160 } | |
| 3161 bpg_encoder_set_frame_duration(enc_ctx, frame_ticks); | |
| 3162 bpg_encoder_encode(enc_ctx, img, my_write_func, f); | |
| 3163 image_free(img); | |
| 3164 | |
| 3165 first_frame = 0; | |
| 3166 } | |
| 3167 if (f1) | |
| 3168 fclose(f1); | |
| 3169 /* end of stream */ | |
| 3170 bpg_encoder_encode(enc_ctx, NULL, my_write_func, f); | |
| 3171 } else { | |
| 3172 img = load_image(&md, infilename, color_space, bit_depth, limited_range, | |
| 3173 premultiplied_alpha); | |
| 3174 if (!img) { | |
| 3175 fprintf(stderr, "Could not read '%s'\n", infilename); | |
| 3176 exit(1); | |
| 3177 } | |
|
5
524eae707ba4
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
3178 |
| 0 | 3179 if (!keep_metadata && md) { |
| 3180 bpg_md_free(md); | |
| 3181 md = NULL; | |
| 3182 } | |
|
5
524eae707ba4
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
3183 |
| 0 | 3184 bpg_encoder_set_extension_data(enc_ctx, md); |
|
5
524eae707ba4
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Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
3185 |
| 0 | 3186 bpg_encoder_encode(enc_ctx, img, my_write_func, f); |
| 3187 image_free(img); | |
| 3188 } | |
| 3189 | |
| 3190 fclose(f); | |
|
5
524eae707ba4
Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
3191 |
| 0 | 3192 bpg_encoder_close(enc_ctx); |
|
5
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Cosmetics: Remove trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
3193 |
| 0 | 3194 bpg_encoder_param_free(p); |
| 3195 | |
| 3196 return 0; | |
| 3197 } |