| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Photoshop (PSD) image decoder | ||
| 3 | * Copyright (c) 2016 Jokyo Images | ||
| 4 | * | ||
| 5 | * This file is part of FFmpeg. | ||
| 6 | * | ||
| 7 | * FFmpeg is free software; you can redistribute it and/or | ||
| 8 | * modify it under the terms of the GNU Lesser General Public | ||
| 9 | * License as published by the Free Software Foundation; either | ||
| 10 | * version 2.1 of the License, or (at your option) any later version. | ||
| 11 | * | ||
| 12 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * Lesser General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU Lesser General Public | ||
| 18 | * License along with FFmpeg; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 20 | */ | ||
| 21 | |||
| 22 | #include "libavutil/mem.h" | ||
| 23 | #include "bytestream.h" | ||
| 24 | #include "codec_internal.h" | ||
| 25 | #include "decode.h" | ||
| 26 | |||
| 27 | enum PsdCompr { | ||
| 28 | PSD_RAW, | ||
| 29 | PSD_RLE, | ||
| 30 | PSD_ZIP_WITHOUT_P, | ||
| 31 | PSD_ZIP_WITH_P, | ||
| 32 | }; | ||
| 33 | |||
| 34 | enum PsdColorMode { | ||
| 35 | PSD_BITMAP, | ||
| 36 | PSD_GRAYSCALE, | ||
| 37 | PSD_INDEXED, | ||
| 38 | PSD_RGB, | ||
| 39 | PSD_CMYK, | ||
| 40 | PSD_MULTICHANNEL, | ||
| 41 | PSD_DUOTONE, | ||
| 42 | PSD_LAB, | ||
| 43 | }; | ||
| 44 | |||
| 45 | typedef struct PSDContext { | ||
| 46 | AVClass *class; | ||
| 47 | AVFrame *picture; | ||
| 48 | AVCodecContext *avctx; | ||
| 49 | GetByteContext gb; | ||
| 50 | |||
| 51 | uint8_t * tmp; | ||
| 52 | |||
| 53 | uint16_t channel_count; | ||
| 54 | uint16_t channel_depth; | ||
| 55 | |||
| 56 | uint64_t uncompressed_size; | ||
| 57 | unsigned int pixel_size;/* 1 for 8 bits, 2 for 16 bits */ | ||
| 58 | uint64_t line_size;/* length of src data (even width) */ | ||
| 59 | |||
| 60 | int width; | ||
| 61 | int height; | ||
| 62 | |||
| 63 | enum PsdCompr compression; | ||
| 64 | enum PsdColorMode color_mode; | ||
| 65 | |||
| 66 | uint8_t palette[AVPALETTE_SIZE]; | ||
| 67 | } PSDContext; | ||
| 68 | |||
| 69 | 30 | static int decode_header(PSDContext * s) | |
| 70 | { | ||
| 71 | int signature, version, color_mode; | ||
| 72 | int64_t len_section; | ||
| 73 | 30 | int ret = 0; | |
| 74 | |||
| 75 |
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30 | if (bytestream2_get_bytes_left(&s->gb) < 30) {/* File header section + color map data section length */ |
| 76 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Header too short to parse.\n"); | |
| 77 | ✗ | return AVERROR_INVALIDDATA; | |
| 78 | } | ||
| 79 | |||
| 80 | 30 | signature = bytestream2_get_le32(&s->gb); | |
| 81 |
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30 | if (signature != MKTAG('8','B','P','S')) { |
| 82 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Wrong signature %d.\n", signature); | |
| 83 | ✗ | return AVERROR_INVALIDDATA; | |
| 84 | } | ||
| 85 | |||
| 86 | 30 | version = bytestream2_get_be16(&s->gb); | |
| 87 |
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30 | if (version != 1) { |
| 88 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Wrong version %d.\n", version); | |
| 89 | ✗ | return AVERROR_INVALIDDATA; | |
| 90 | } | ||
| 91 | |||
| 92 | 30 | bytestream2_skip(&s->gb, 6);/* reserved */ | |
| 93 | |||
| 94 | 30 | s->channel_count = bytestream2_get_be16(&s->gb); | |
| 95 |
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30 | if ((s->channel_count < 1) || (s->channel_count > 56)) { |
| 96 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Invalid channel count %d.\n", s->channel_count); | |
| 97 | ✗ | return AVERROR_INVALIDDATA; | |
| 98 | } | ||
| 99 | |||
| 100 | 30 | s->height = bytestream2_get_be32(&s->gb); | |
| 101 | |||
| 102 |
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30 | if ((s->height > 30000) && (s->avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL)) { |
| 103 | ✗ | av_log(s->avctx, AV_LOG_ERROR, | |
| 104 | "Height > 30000 is experimental, add " | ||
| 105 | "'-strict %d' if you want to try to decode the picture.\n", | ||
| 106 | FF_COMPLIANCE_EXPERIMENTAL); | ||
| 107 | ✗ | return AVERROR_EXPERIMENTAL; | |
| 108 | } | ||
| 109 | |||
| 110 | 30 | s->width = bytestream2_get_be32(&s->gb); | |
| 111 |
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30 | if ((s->width > 30000) && (s->avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL)) { |
| 112 | ✗ | av_log(s->avctx, AV_LOG_ERROR, | |
| 113 | "Width > 30000 is experimental, add " | ||
| 114 | "'-strict %d' if you want to try to decode the picture.\n", | ||
| 115 | FF_COMPLIANCE_EXPERIMENTAL); | ||
| 116 | ✗ | return AVERROR_EXPERIMENTAL; | |
| 117 | } | ||
| 118 | |||
| 119 |
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30 | if ((ret = ff_set_dimensions(s->avctx, s->width, s->height)) < 0) |
| 120 | ✗ | return ret; | |
| 121 | |||
| 122 | 30 | s->channel_depth = bytestream2_get_be16(&s->gb); | |
| 123 | |||
| 124 | 30 | color_mode = bytestream2_get_be16(&s->gb); | |
| 125 |
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30 | switch (color_mode) { |
| 126 | 2 | case 0: | |
| 127 | 2 | s->color_mode = PSD_BITMAP; | |
| 128 | 2 | break; | |
| 129 | 8 | case 1: | |
| 130 | 8 | s->color_mode = PSD_GRAYSCALE; | |
| 131 | 8 | break; | |
| 132 | 2 | case 2: | |
| 133 | 2 | s->color_mode = PSD_INDEXED; | |
| 134 | 2 | break; | |
| 135 | 16 | case 3: | |
| 136 | 16 | s->color_mode = PSD_RGB; | |
| 137 | 16 | break; | |
| 138 | ✗ | case 4: | |
| 139 | ✗ | s->color_mode = PSD_CMYK; | |
| 140 | ✗ | break; | |
| 141 | ✗ | case 7: | |
| 142 | ✗ | s->color_mode = PSD_MULTICHANNEL; | |
| 143 | ✗ | break; | |
| 144 | 2 | case 8: | |
| 145 | 2 | s->color_mode = PSD_DUOTONE; | |
| 146 | 2 | break; | |
| 147 | ✗ | case 9: | |
| 148 | ✗ | s->color_mode = PSD_LAB; | |
| 149 | ✗ | break; | |
| 150 | ✗ | default: | |
| 151 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Unknown color mode %d.\n", color_mode); | |
| 152 | ✗ | return AVERROR_INVALIDDATA; | |
| 153 | } | ||
| 154 | |||
| 155 | /* color map data */ | ||
| 156 | 30 | len_section = bytestream2_get_be32(&s->gb); | |
| 157 |
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30 | if (len_section < 0) { |
| 158 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Negative size for color map data section.\n"); | |
| 159 | ✗ | return AVERROR_INVALIDDATA; | |
| 160 | } | ||
| 161 | |||
| 162 |
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30 | if (bytestream2_get_bytes_left(&s->gb) < (len_section + 4)) { /* section and len next section */ |
| 163 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Incomplete file.\n"); | |
| 164 | ✗ | return AVERROR_INVALIDDATA; | |
| 165 | } | ||
| 166 |
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30 | if (len_section) { |
| 167 | int i,j; | ||
| 168 | 4 | memset(s->palette, 0xff, AVPALETTE_SIZE); | |
| 169 |
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16 | for (j = HAVE_BIGENDIAN; j < 3 + HAVE_BIGENDIAN; j++) |
| 170 |
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2592 | for (i = 0; i < FFMIN(256, len_section / 3); i++) |
| 171 | 2580 | s->palette[i * 4 + (HAVE_BIGENDIAN ? j : 2 - j)] = bytestream2_get_byteu(&s->gb); | |
| 172 | 4 | len_section -= i * 3; | |
| 173 | } | ||
| 174 | 30 | bytestream2_skip(&s->gb, len_section); | |
| 175 | |||
| 176 | /* image resources */ | ||
| 177 | 30 | len_section = bytestream2_get_be32(&s->gb); | |
| 178 |
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30 | if (len_section < 0) { |
| 179 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Negative size for image resources section.\n"); | |
| 180 | ✗ | return AVERROR_INVALIDDATA; | |
| 181 | } | ||
| 182 | |||
| 183 |
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30 | if (bytestream2_get_bytes_left(&s->gb) < (len_section + 4)) { /* section and len next section */ |
| 184 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Incomplete file.\n"); | |
| 185 | ✗ | return AVERROR_INVALIDDATA; | |
| 186 | } | ||
| 187 | 30 | bytestream2_skip(&s->gb, len_section); | |
| 188 | |||
| 189 | /* layers and masks */ | ||
| 190 | 30 | len_section = bytestream2_get_be32(&s->gb); | |
| 191 |
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30 | if (len_section < 0) { |
| 192 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Negative size for layers and masks data section.\n"); | |
| 193 | ✗ | return AVERROR_INVALIDDATA; | |
| 194 | } | ||
| 195 | |||
| 196 |
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30 | if (bytestream2_get_bytes_left(&s->gb) < len_section) { |
| 197 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Incomplete file.\n"); | |
| 198 | ✗ | return AVERROR_INVALIDDATA; | |
| 199 | } | ||
| 200 | 30 | bytestream2_skip(&s->gb, len_section); | |
| 201 | |||
| 202 | /* image section */ | ||
| 203 |
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30 | if (bytestream2_get_bytes_left(&s->gb) < 2) { |
| 204 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "File without image data section.\n"); | |
| 205 | ✗ | return AVERROR_INVALIDDATA; | |
| 206 | } | ||
| 207 | |||
| 208 | 30 | s->compression = bytestream2_get_be16(&s->gb); | |
| 209 |
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30 | switch (s->compression) { |
| 210 | 30 | case 0: | |
| 211 | case 1: | ||
| 212 | 30 | break; | |
| 213 | ✗ | case 2: | |
| 214 | ✗ | avpriv_request_sample(s->avctx, "ZIP without predictor compression"); | |
| 215 | ✗ | return AVERROR_PATCHWELCOME; | |
| 216 | ✗ | case 3: | |
| 217 | ✗ | avpriv_request_sample(s->avctx, "ZIP with predictor compression"); | |
| 218 | ✗ | return AVERROR_PATCHWELCOME; | |
| 219 | ✗ | default: | |
| 220 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Unknown compression %d.\n", s->compression); | |
| 221 | ✗ | return AVERROR_INVALIDDATA; | |
| 222 | } | ||
| 223 | |||
| 224 | 30 | return ret; | |
| 225 | } | ||
| 226 | |||
| 227 | 8 | static int decode_rle(PSDContext * s){ | |
| 228 | unsigned int scanline_count; | ||
| 229 | unsigned int sl, count; | ||
| 230 | 8 | unsigned long target_index = 0; | |
| 231 | unsigned int p; | ||
| 232 | int8_t rle_char; | ||
| 233 | unsigned int repeat_count; | ||
| 234 | uint8_t v; | ||
| 235 | |||
| 236 | 8 | scanline_count = s->height * s->channel_count; | |
| 237 | |||
| 238 | /* scanline table */ | ||
| 239 |
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8 | if (bytestream2_get_bytes_left(&s->gb) < scanline_count * 2) { |
| 240 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Not enough data for rle scanline table.\n"); | |
| 241 | ✗ | return AVERROR_INVALIDDATA; | |
| 242 | } | ||
| 243 | 8 | bytestream2_skip(&s->gb, scanline_count * 2);/* size of each scanline */ | |
| 244 | |||
| 245 | /* decode rle data scanline by scanline */ | ||
| 246 |
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2812 | for (sl = 0; sl < scanline_count; sl++) { |
| 247 | 2804 | count = 0; | |
| 248 | |||
| 249 |
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21344 | while (count < s->line_size) { |
| 250 | 18540 | rle_char = bytestream2_get_byte(&s->gb); | |
| 251 | |||
| 252 |
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18540 | if (rle_char <= 0) {/* byte repeat */ |
| 253 | 12340 | repeat_count = rle_char * -1; | |
| 254 | |||
| 255 |
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12340 | if (bytestream2_get_bytes_left(&s->gb) < 1) { |
| 256 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Not enough data for rle scanline.\n"); | |
| 257 | ✗ | return AVERROR_INVALIDDATA; | |
| 258 | } | ||
| 259 | |||
| 260 |
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12340 | if (target_index + repeat_count >= s->uncompressed_size) { |
| 261 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Invalid rle char.\n"); | |
| 262 | ✗ | return AVERROR_INVALIDDATA; | |
| 263 | } | ||
| 264 | |||
| 265 | 12340 | v = bytestream2_get_byte(&s->gb); | |
| 266 |
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222692 | for (p = 0; p <= repeat_count; p++) { |
| 267 | 210352 | s->tmp[target_index++] = v; | |
| 268 | } | ||
| 269 | 12340 | count += repeat_count + 1; | |
| 270 | } else { | ||
| 271 |
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6200 | if (bytestream2_get_bytes_left(&s->gb) < rle_char) { |
| 272 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Not enough data for rle scanline.\n"); | |
| 273 | ✗ | return AVERROR_INVALIDDATA; | |
| 274 | } | ||
| 275 | |||
| 276 |
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6200 | if (target_index + rle_char >= s->uncompressed_size) { |
| 277 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Invalid rle char.\n"); | |
| 278 | ✗ | return AVERROR_INVALIDDATA; | |
| 279 | } | ||
| 280 | |||
| 281 |
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250010 | for (p = 0; p <= rle_char; p++) { |
| 282 | 243810 | v = bytestream2_get_byte(&s->gb); | |
| 283 | 243810 | s->tmp[target_index++] = v; | |
| 284 | } | ||
| 285 | 6200 | count += rle_char + 1; | |
| 286 | } | ||
| 287 | } | ||
| 288 | } | ||
| 289 | |||
| 290 | 8 | return 0; | |
| 291 | } | ||
| 292 | |||
| 293 | 30 | static int decode_frame(AVCodecContext *avctx, AVFrame *picture, | |
| 294 | int *got_frame, AVPacket *avpkt) | ||
| 295 | { | ||
| 296 | int ret; | ||
| 297 | uint8_t *ptr; | ||
| 298 | const uint8_t *ptr_data; | ||
| 299 | int index_out, c, y, x, p; | ||
| 300 | 30 | uint8_t eq_channel[4] = {2,0,1,3};/* RGBA -> GBRA channel order */ | |
| 301 | uint8_t plane_number; | ||
| 302 | |||
| 303 | 30 | PSDContext *s = avctx->priv_data; | |
| 304 | 30 | s->avctx = avctx; | |
| 305 | 30 | s->channel_count = 0; | |
| 306 | 30 | s->channel_depth = 0; | |
| 307 | 30 | s->tmp = NULL; | |
| 308 | 30 | s->line_size = 0; | |
| 309 | |||
| 310 | 30 | bytestream2_init(&s->gb, avpkt->data, avpkt->size); | |
| 311 | |||
| 312 |
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30 | if ((ret = decode_header(s)) < 0) |
| 313 | ✗ | return ret; | |
| 314 | |||
| 315 | 30 | s->pixel_size = s->channel_depth >> 3;/* in byte */ | |
| 316 | 30 | s->line_size = s->width * s->pixel_size; | |
| 317 | |||
| 318 |
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30 | switch (s->color_mode) { |
| 319 | 2 | case PSD_BITMAP: | |
| 320 |
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2 | if (s->channel_depth != 1 || s->channel_count != 1) { |
| 321 | ✗ | av_log(s->avctx, AV_LOG_ERROR, | |
| 322 | "Invalid bitmap file (channel_depth %d, channel_count %d)\n", | ||
| 323 | ✗ | s->channel_depth, s->channel_count); | |
| 324 | ✗ | return AVERROR_INVALIDDATA; | |
| 325 | } | ||
| 326 | 2 | s->line_size = s->width + 7 >> 3; | |
| 327 | 2 | avctx->pix_fmt = AV_PIX_FMT_MONOWHITE; | |
| 328 | 2 | break; | |
| 329 | 2 | case PSD_INDEXED: | |
| 330 |
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2 | if (s->channel_depth != 8 || s->channel_count != 1) { |
| 331 | ✗ | av_log(s->avctx, AV_LOG_ERROR, | |
| 332 | "Invalid indexed file (channel_depth %d, channel_count %d)\n", | ||
| 333 | ✗ | s->channel_depth, s->channel_count); | |
| 334 | ✗ | return AVERROR_INVALIDDATA; | |
| 335 | } | ||
| 336 | 2 | avctx->pix_fmt = AV_PIX_FMT_PAL8; | |
| 337 | 2 | break; | |
| 338 | ✗ | case PSD_CMYK: | |
| 339 | ✗ | if (s->channel_count == 4) { | |
| 340 | ✗ | if (s->channel_depth == 8) { | |
| 341 | ✗ | avctx->pix_fmt = AV_PIX_FMT_GBRP; | |
| 342 | ✗ | } else if (s->channel_depth == 16) { | |
| 343 | ✗ | avctx->pix_fmt = AV_PIX_FMT_GBRP16BE; | |
| 344 | } else { | ||
| 345 | ✗ | avpriv_report_missing_feature(avctx, "channel depth %d for cmyk", s->channel_depth); | |
| 346 | ✗ | return AVERROR_PATCHWELCOME; | |
| 347 | } | ||
| 348 | ✗ | } else if (s->channel_count == 5) { | |
| 349 | ✗ | if (s->channel_depth == 8) { | |
| 350 | ✗ | avctx->pix_fmt = AV_PIX_FMT_GBRAP; | |
| 351 | ✗ | } else if (s->channel_depth == 16) { | |
| 352 | ✗ | avctx->pix_fmt = AV_PIX_FMT_GBRAP16BE; | |
| 353 | } else { | ||
| 354 | ✗ | avpriv_report_missing_feature(avctx, "channel depth %d for cmyk", s->channel_depth); | |
| 355 | ✗ | return AVERROR_PATCHWELCOME; | |
| 356 | } | ||
| 357 | } else { | ||
| 358 | ✗ | avpriv_report_missing_feature(avctx, "channel count %d for cmyk", s->channel_count); | |
| 359 | ✗ | return AVERROR_PATCHWELCOME; | |
| 360 | } | ||
| 361 | ✗ | break; | |
| 362 | 16 | case PSD_RGB: | |
| 363 |
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16 | if (s->channel_count == 3) { |
| 364 |
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10 | if (s->channel_depth == 8) { |
| 365 | 6 | avctx->pix_fmt = AV_PIX_FMT_GBRP; | |
| 366 |
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4 | } else if (s->channel_depth == 16) { |
| 367 | 4 | avctx->pix_fmt = AV_PIX_FMT_GBRP16BE; | |
| 368 | } else { | ||
| 369 | ✗ | avpriv_report_missing_feature(avctx, "channel depth %d for rgb", s->channel_depth); | |
| 370 | ✗ | return AVERROR_PATCHWELCOME; | |
| 371 | } | ||
| 372 |
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6 | } else if (s->channel_count == 4) { |
| 373 |
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6 | if (s->channel_depth == 8) { |
| 374 | 4 | avctx->pix_fmt = AV_PIX_FMT_GBRAP; | |
| 375 |
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2 | } else if (s->channel_depth == 16) { |
| 376 | 2 | avctx->pix_fmt = AV_PIX_FMT_GBRAP16BE; | |
| 377 | } else { | ||
| 378 | ✗ | avpriv_report_missing_feature(avctx, "channel depth %d for rgb", s->channel_depth); | |
| 379 | ✗ | return AVERROR_PATCHWELCOME; | |
| 380 | } | ||
| 381 | } else { | ||
| 382 | ✗ | avpriv_report_missing_feature(avctx, "channel count %d for rgb", s->channel_count); | |
| 383 | ✗ | return AVERROR_PATCHWELCOME; | |
| 384 | } | ||
| 385 | 16 | break; | |
| 386 | 2 | case PSD_DUOTONE: | |
| 387 | 2 | av_log(avctx, AV_LOG_WARNING, "ignoring unknown duotone specification.\n"); | |
| 388 | 10 | case PSD_GRAYSCALE: | |
| 389 |
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10 | if (s->channel_count == 1) { |
| 390 |
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6 | if (s->channel_depth == 8) { |
| 391 | 4 | avctx->pix_fmt = AV_PIX_FMT_GRAY8; | |
| 392 |
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2 | } else if (s->channel_depth == 16) { |
| 393 | 2 | avctx->pix_fmt = AV_PIX_FMT_GRAY16BE; | |
| 394 | ✗ | } else if (s->channel_depth == 32) { | |
| 395 | ✗ | avctx->pix_fmt = AV_PIX_FMT_GRAYF32BE; | |
| 396 | } else { | ||
| 397 | ✗ | avpriv_report_missing_feature(avctx, "channel depth %d for grayscale", s->channel_depth); | |
| 398 | ✗ | return AVERROR_PATCHWELCOME; | |
| 399 | } | ||
| 400 |
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4 | } else if (s->channel_count == 2) { |
| 401 |
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4 | if (s->channel_depth == 8) { |
| 402 | 2 | avctx->pix_fmt = AV_PIX_FMT_YA8; | |
| 403 |
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2 | } else if (s->channel_depth == 16) { |
| 404 | 2 | avctx->pix_fmt = AV_PIX_FMT_YA16BE; | |
| 405 | } else { | ||
| 406 | ✗ | avpriv_report_missing_feature(avctx, "channel depth %d for grayscale", s->channel_depth); | |
| 407 | ✗ | return AVERROR_PATCHWELCOME; | |
| 408 | } | ||
| 409 | } else { | ||
| 410 | ✗ | avpriv_report_missing_feature(avctx, "channel count %d for grayscale", s->channel_count); | |
| 411 | ✗ | return AVERROR_PATCHWELCOME; | |
| 412 | } | ||
| 413 | 10 | break; | |
| 414 | ✗ | default: | |
| 415 | ✗ | avpriv_report_missing_feature(avctx, "color mode %d", s->color_mode); | |
| 416 | ✗ | return AVERROR_PATCHWELCOME; | |
| 417 | } | ||
| 418 | |||
| 419 | 30 | s->uncompressed_size = s->line_size * s->height * s->channel_count; | |
| 420 | |||
| 421 | /* decode picture if need */ | ||
| 422 |
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30 | if (s->compression == PSD_RLE) { |
| 423 | 8 | s->tmp = av_malloc(s->uncompressed_size); | |
| 424 |
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8 | if (!s->tmp) |
| 425 | ✗ | return AVERROR(ENOMEM); | |
| 426 | |||
| 427 | 8 | ret = decode_rle(s); | |
| 428 | |||
| 429 |
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8 | if (ret < 0) { |
| 430 | ✗ | av_freep(&s->tmp); | |
| 431 | ✗ | return ret; | |
| 432 | } | ||
| 433 | |||
| 434 | 8 | ptr_data = s->tmp; | |
| 435 | } else { | ||
| 436 |
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22 | if (bytestream2_get_bytes_left(&s->gb) < s->uncompressed_size) { |
| 437 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Not enough data for raw image data section.\n"); | |
| 438 | ✗ | return AVERROR_INVALIDDATA; | |
| 439 | } | ||
| 440 | 22 | ptr_data = s->gb.buffer; | |
| 441 | } | ||
| 442 | |||
| 443 |
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30 | if ((ret = ff_get_buffer(avctx, picture, 0)) < 0) |
| 444 | ✗ | return ret; | |
| 445 | |||
| 446 | /* Store data */ | ||
| 447 |
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30 | if ((avctx->pix_fmt == AV_PIX_FMT_YA8)||(avctx->pix_fmt == AV_PIX_FMT_YA16BE)){/* Interleaved */ |
| 448 | 4 | ptr = picture->data[0]; | |
| 449 |
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12 | for (c = 0; c < s->channel_count; c++) { |
| 450 |
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1032 | for (y = 0; y < s->height; y++) { |
| 451 |
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132096 | for (x = 0; x < s->width; x++) { |
| 452 | 131072 | index_out = y * picture->linesize[0] + x * s->channel_count * s->pixel_size + c * s->pixel_size; | |
| 453 |
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327680 | for (p = 0; p < s->pixel_size; p++) { |
| 454 | 196608 | ptr[index_out + p] = *ptr_data; | |
| 455 | 196608 | ptr_data ++; | |
| 456 | } | ||
| 457 | } | ||
| 458 | } | ||
| 459 | } | ||
| 460 |
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26 | } else if (s->color_mode == PSD_CMYK) { |
| 461 | ✗ | uint8_t *dst[4] = { picture->data[0], picture->data[1], picture->data[2], picture->data[3] }; | |
| 462 | ✗ | const uint8_t *src[5] = { ptr_data }; | |
| 463 | ✗ | src[1] = src[0] + s->line_size * s->height; | |
| 464 | ✗ | src[2] = src[1] + s->line_size * s->height; | |
| 465 | ✗ | src[3] = src[2] + s->line_size * s->height; | |
| 466 | ✗ | src[4] = src[3] + s->line_size * s->height; | |
| 467 | ✗ | if (s->channel_depth == 8) { | |
| 468 | ✗ | for (y = 0; y < s->height; y++) { | |
| 469 | ✗ | for (x = 0; x < s->width; x++) { | |
| 470 | ✗ | int k = src[3][x]; | |
| 471 | ✗ | int r = src[0][x] * k; | |
| 472 | ✗ | int g = src[1][x] * k; | |
| 473 | ✗ | int b = src[2][x] * k; | |
| 474 | ✗ | dst[0][x] = g * 257 >> 16; | |
| 475 | ✗ | dst[1][x] = b * 257 >> 16; | |
| 476 | ✗ | dst[2][x] = r * 257 >> 16; | |
| 477 | } | ||
| 478 | ✗ | dst[0] += picture->linesize[0]; | |
| 479 | ✗ | dst[1] += picture->linesize[1]; | |
| 480 | ✗ | dst[2] += picture->linesize[2]; | |
| 481 | ✗ | src[0] += s->line_size; | |
| 482 | ✗ | src[1] += s->line_size; | |
| 483 | ✗ | src[2] += s->line_size; | |
| 484 | ✗ | src[3] += s->line_size; | |
| 485 | } | ||
| 486 | ✗ | if (avctx->pix_fmt == AV_PIX_FMT_GBRAP) { | |
| 487 | ✗ | for (y = 0; y < s->height; y++) { | |
| 488 | ✗ | memcpy(dst[3], src[4], s->line_size); | |
| 489 | ✗ | src[4] += s->line_size; | |
| 490 | ✗ | dst[3] += picture->linesize[3]; | |
| 491 | } | ||
| 492 | } | ||
| 493 | } else { | ||
| 494 | ✗ | for (y = 0; y < s->height; y++) { | |
| 495 | ✗ | for (x = 0; x < s->width; x++) { | |
| 496 | ✗ | int64_t k = AV_RB16(&src[3][x * 2]); | |
| 497 | ✗ | int64_t r = AV_RB16(&src[0][x * 2]) * k; | |
| 498 | ✗ | int64_t g = AV_RB16(&src[1][x * 2]) * k; | |
| 499 | ✗ | int64_t b = AV_RB16(&src[2][x * 2]) * k; | |
| 500 | ✗ | AV_WB16(&dst[0][x * 2], g * 65537 >> 32); | |
| 501 | ✗ | AV_WB16(&dst[1][x * 2], b * 65537 >> 32); | |
| 502 | ✗ | AV_WB16(&dst[2][x * 2], r * 65537 >> 32); | |
| 503 | } | ||
| 504 | ✗ | dst[0] += picture->linesize[0]; | |
| 505 | ✗ | dst[1] += picture->linesize[1]; | |
| 506 | ✗ | dst[2] += picture->linesize[2]; | |
| 507 | ✗ | src[0] += s->line_size; | |
| 508 | ✗ | src[1] += s->line_size; | |
| 509 | ✗ | src[2] += s->line_size; | |
| 510 | ✗ | src[3] += s->line_size; | |
| 511 | } | ||
| 512 | ✗ | if (avctx->pix_fmt == AV_PIX_FMT_GBRAP16BE) { | |
| 513 | ✗ | for (y = 0; y < s->height; y++) { | |
| 514 | ✗ | memcpy(dst[3], src[4], s->line_size); | |
| 515 | ✗ | src[4] += s->line_size; | |
| 516 | ✗ | dst[3] += picture->linesize[3]; | |
| 517 | } | ||
| 518 | } | ||
| 519 | } | ||
| 520 | } else {/* Planar */ | ||
| 521 |
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26 | if (s->channel_count == 1)/* gray 8 or gray 16be */ |
| 522 | 10 | eq_channel[0] = 0;/* assign first channel, to first plane */ | |
| 523 | |||
| 524 |
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90 | for (c = 0; c < s->channel_count; c++) { |
| 525 | 64 | plane_number = eq_channel[c]; | |
| 526 | 64 | ptr = picture->data[plane_number];/* get the right plane */ | |
| 527 |
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8238 | for (y = 0; y < s->height; y++) { |
| 528 | 8174 | memcpy(ptr, ptr_data, s->line_size); | |
| 529 | 8174 | ptr += picture->linesize[plane_number]; | |
| 530 | 8174 | ptr_data += s->line_size; | |
| 531 | } | ||
| 532 | } | ||
| 533 | } | ||
| 534 | |||
| 535 |
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30 | if (s->color_mode == PSD_INDEXED) { |
| 536 | 2 | memcpy(picture->data[1], s->palette, AVPALETTE_SIZE); | |
| 537 | } | ||
| 538 | |||
| 539 | 30 | av_freep(&s->tmp); | |
| 540 | |||
| 541 | 30 | picture->pict_type = AV_PICTURE_TYPE_I; | |
| 542 | 30 | *got_frame = 1; | |
| 543 | |||
| 544 | 30 | return avpkt->size; | |
| 545 | } | ||
| 546 | |||
| 547 | const FFCodec ff_psd_decoder = { | ||
| 548 | .p.name = "psd", | ||
| 549 | CODEC_LONG_NAME("Photoshop PSD file"), | ||
| 550 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
| 551 | .p.id = AV_CODEC_ID_PSD, | ||
| 552 | .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS, | ||
| 553 | .priv_data_size = sizeof(PSDContext), | ||
| 554 | FF_CODEC_DECODE_CB(decode_frame), | ||
| 555 | }; | ||
| 556 |