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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 ressources */ | ||
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 ressources 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 |
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30 | if ((ret = ff_get_buffer(avctx, picture, 0)) < 0) |
422 | ✗ | return ret; | |
423 | |||
424 | /* decode picture if need */ | ||
425 |
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30 | if (s->compression == PSD_RLE) { |
426 | 8 | s->tmp = av_malloc(s->uncompressed_size); | |
427 |
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8 | if (!s->tmp) |
428 | ✗ | return AVERROR(ENOMEM); | |
429 | |||
430 | 8 | ret = decode_rle(s); | |
431 | |||
432 |
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8 | if (ret < 0) { |
433 | ✗ | av_freep(&s->tmp); | |
434 | ✗ | return ret; | |
435 | } | ||
436 | |||
437 | 8 | ptr_data = s->tmp; | |
438 | } else { | ||
439 |
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22 | if (bytestream2_get_bytes_left(&s->gb) < s->uncompressed_size) { |
440 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "Not enough data for raw image data section.\n"); | |
441 | ✗ | return AVERROR_INVALIDDATA; | |
442 | } | ||
443 | 22 | ptr_data = s->gb.buffer; | |
444 | } | ||
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 | #if FF_API_PALETTE_HAS_CHANGED | ||
537 | FF_DISABLE_DEPRECATION_WARNINGS | ||
538 | 2 | picture->palette_has_changed = 1; | |
539 | FF_ENABLE_DEPRECATION_WARNINGS | ||
540 | #endif | ||
541 | 2 | memcpy(picture->data[1], s->palette, AVPALETTE_SIZE); | |
542 | } | ||
543 | |||
544 | 30 | av_freep(&s->tmp); | |
545 | |||
546 | 30 | picture->pict_type = AV_PICTURE_TYPE_I; | |
547 | 30 | *got_frame = 1; | |
548 | |||
549 | 30 | return avpkt->size; | |
550 | } | ||
551 | |||
552 | const FFCodec ff_psd_decoder = { | ||
553 | .p.name = "psd", | ||
554 | CODEC_LONG_NAME("Photoshop PSD file"), | ||
555 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
556 | .p.id = AV_CODEC_ID_PSD, | ||
557 | .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS, | ||
558 | .priv_data_size = sizeof(PSDContext), | ||
559 | FF_CODEC_DECODE_CB(decode_frame), | ||
560 | }; | ||
561 |