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1 | /* | ||
2 | * This file is part of FFmpeg. | ||
3 | * | ||
4 | * FFmpeg is free software; you can redistribute it and/or | ||
5 | * modify it under the terms of the GNU Lesser General Public | ||
6 | * License as published by the Free Software Foundation; either | ||
7 | * version 2.1 of the License, or (at your option) any later version. | ||
8 | * | ||
9 | * FFmpeg is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
12 | * Lesser General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU Lesser General Public | ||
15 | * License along with FFmpeg; if not, write to the Free Software | ||
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
17 | */ | ||
18 | |||
19 | /** | ||
20 | * @file | ||
21 | * misc parsing utilities | ||
22 | */ | ||
23 | |||
24 | #include <time.h> | ||
25 | |||
26 | #include "avstring.h" | ||
27 | #include "avutil.h" | ||
28 | #include "common.h" | ||
29 | #include "eval.h" | ||
30 | #include "log.h" | ||
31 | #include "random_seed.h" | ||
32 | #include "time_internal.h" | ||
33 | #include "parseutils.h" | ||
34 | #include "time.h" | ||
35 | |||
36 | #ifdef TEST | ||
37 | |||
38 | #define av_get_random_seed av_get_random_seed_deterministic | ||
39 | static uint32_t av_get_random_seed_deterministic(void); | ||
40 | |||
41 | #define av_gettime() 1331972053200000 | ||
42 | |||
43 | #endif | ||
44 | |||
45 | 8244 | int av_parse_ratio(AVRational *q, const char *str, int max, | |
46 | int log_offset, void *log_ctx) | ||
47 | { | ||
48 | char c; | ||
49 | int ret; | ||
50 | |||
51 |
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8244 | if (sscanf(str, "%d:%d%c", &q->num, &q->den, &c) != 2) { |
52 | double d; | ||
53 | 8242 | ret = av_expr_parse_and_eval(&d, str, NULL, NULL, | |
54 | NULL, NULL, NULL, NULL, | ||
55 | NULL, log_offset, log_ctx); | ||
56 |
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8242 | if (ret < 0) |
57 | 11 | return ret; | |
58 | 8231 | *q = av_d2q(d, max); | |
59 | } else { | ||
60 | 2 | av_reduce(&q->num, &q->den, q->num, q->den, max); | |
61 | } | ||
62 | |||
63 | 8233 | return 0; | |
64 | } | ||
65 | |||
66 | typedef struct VideoSizeAbbr { | ||
67 | const char *abbr; | ||
68 | int width, height; | ||
69 | } VideoSizeAbbr; | ||
70 | |||
71 | typedef struct VideoRateAbbr { | ||
72 | const char *abbr; | ||
73 | AVRational rate; | ||
74 | } VideoRateAbbr; | ||
75 | |||
76 | static const VideoSizeAbbr video_size_abbrs[] = { | ||
77 | { "ntsc", 720, 480 }, | ||
78 | { "pal", 720, 576 }, | ||
79 | { "qntsc", 352, 240 }, /* VCD compliant NTSC */ | ||
80 | { "qpal", 352, 288 }, /* VCD compliant PAL */ | ||
81 | { "sntsc", 640, 480 }, /* square pixel NTSC */ | ||
82 | { "spal", 768, 576 }, /* square pixel PAL */ | ||
83 | { "film", 352, 240 }, | ||
84 | { "ntsc-film", 352, 240 }, | ||
85 | { "sqcif", 128, 96 }, | ||
86 | { "qcif", 176, 144 }, | ||
87 | { "cif", 352, 288 }, | ||
88 | { "4cif", 704, 576 }, | ||
89 | { "16cif", 1408,1152 }, | ||
90 | { "qqvga", 160, 120 }, | ||
91 | { "qvga", 320, 240 }, | ||
92 | { "vga", 640, 480 }, | ||
93 | { "svga", 800, 600 }, | ||
94 | { "xga", 1024, 768 }, | ||
95 | { "uxga", 1600,1200 }, | ||
96 | { "qxga", 2048,1536 }, | ||
97 | { "sxga", 1280,1024 }, | ||
98 | { "qsxga", 2560,2048 }, | ||
99 | { "hsxga", 5120,4096 }, | ||
100 | { "wvga", 852, 480 }, | ||
101 | { "wxga", 1366, 768 }, | ||
102 | { "wsxga", 1600,1024 }, | ||
103 | { "wuxga", 1920,1200 }, | ||
104 | { "woxga", 2560,1600 }, | ||
105 | { "wqhd", 2560,1440 }, | ||
106 | { "wqsxga", 3200,2048 }, | ||
107 | { "wquxga", 3840,2400 }, | ||
108 | { "whsxga", 6400,4096 }, | ||
109 | { "whuxga", 7680,4800 }, | ||
110 | { "cga", 320, 200 }, | ||
111 | { "ega", 640, 350 }, | ||
112 | { "hd480", 852, 480 }, | ||
113 | { "hd720", 1280, 720 }, | ||
114 | { "hd1080", 1920,1080 }, | ||
115 | { "quadhd", 2560,1440 }, | ||
116 | { "2k", 2048,1080 }, /* Digital Cinema System Specification */ | ||
117 | { "2kdci", 2048,1080 }, | ||
118 | { "2kflat", 1998,1080 }, | ||
119 | { "2kscope", 2048, 858 }, | ||
120 | { "4k", 4096,2160 }, /* Digital Cinema System Specification */ | ||
121 | { "4kdci", 4096,2160 }, | ||
122 | { "4kflat", 3996,2160 }, | ||
123 | { "4kscope", 4096,1716 }, | ||
124 | { "nhd", 640,360 }, | ||
125 | { "hqvga", 240,160 }, | ||
126 | { "wqvga", 400,240 }, | ||
127 | { "fwqvga", 432,240 }, | ||
128 | { "hvga", 480,320 }, | ||
129 | { "qhd", 960,540 }, | ||
130 | { "uhd2160", 3840,2160 }, | ||
131 | { "uhd4320", 7680,4320 }, | ||
132 | }; | ||
133 | |||
134 | static const VideoRateAbbr video_rate_abbrs[]= { | ||
135 | { "ntsc", { 30000, 1001 } }, | ||
136 | { "pal", { 25, 1 } }, | ||
137 | { "qntsc", { 30000, 1001 } }, /* VCD compliant NTSC */ | ||
138 | { "qpal", { 25, 1 } }, /* VCD compliant PAL */ | ||
139 | { "sntsc", { 30000, 1001 } }, /* square pixel NTSC */ | ||
140 | { "spal", { 25, 1 } }, /* square pixel PAL */ | ||
141 | { "film", { 24, 1 } }, | ||
142 | { "ntsc-film", { 24000, 1001 } }, | ||
143 | }; | ||
144 | |||
145 | static const char *months[12] = { | ||
146 | "january", "february", "march", "april", "may", "june", "july", "august", | ||
147 | "september", "october", "november", "december" | ||
148 | }; | ||
149 | |||
150 | 6619 | int av_parse_video_size(int *width_ptr, int *height_ptr, const char *str) | |
151 | { | ||
152 | int i; | ||
153 | 6619 | int n = FF_ARRAY_ELEMS(video_size_abbrs); | |
154 | const char *p; | ||
155 | 6619 | int width = 0, height = 0; | |
156 | |||
157 |
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368614 | for (i = 0; i < n; i++) { |
158 |
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362070 | if (!strcmp(video_size_abbrs[i].abbr, str)) { |
159 | 75 | width = video_size_abbrs[i].width; | |
160 | 75 | height = video_size_abbrs[i].height; | |
161 | 75 | break; | |
162 | } | ||
163 | } | ||
164 |
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6619 | if (i == n) { |
165 | 6544 | width = strtol(str, (void*)&p, 10); | |
166 |
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6544 | if (*p) |
167 | 6544 | p++; | |
168 | 6544 | height = strtol(p, (void*)&p, 10); | |
169 | |||
170 | /* trailing extraneous data detected, like in 123x345foobar */ | ||
171 |
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6544 | if (*p) |
172 | 1 | return AVERROR(EINVAL); | |
173 | } | ||
174 |
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6618 | if (width <= 0 || height <= 0) |
175 | ✗ | return AVERROR(EINVAL); | |
176 | 6618 | *width_ptr = width; | |
177 | 6618 | *height_ptr = height; | |
178 | 6618 | return 0; | |
179 | } | ||
180 | |||
181 | 8237 | int av_parse_video_rate(AVRational *rate, const char *arg) | |
182 | { | ||
183 | int i, ret; | ||
184 | 8237 | int n = FF_ARRAY_ELEMS(video_rate_abbrs); | |
185 | |||
186 | /* First, we check our abbreviation table */ | ||
187 |
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74126 | for (i = 0; i < n; ++i) |
188 |
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65890 | if (!strcmp(video_rate_abbrs[i].abbr, arg)) { |
189 | 1 | *rate = video_rate_abbrs[i].rate; | |
190 | 1 | return 0; | |
191 | } | ||
192 | |||
193 | /* Then, we try to parse it as fraction */ | ||
194 |
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8236 | if ((ret = av_parse_ratio_quiet(rate, arg, 1001000)) < 0) |
195 | 11 | return ret; | |
196 |
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8225 | if (!rate->num || !rate->den) |
197 |
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6 | if ((ret = av_parse_ratio_quiet(rate, arg, INT_MAX)) < 0) |
198 | ✗ | return ret; | |
199 |
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8225 | if (rate->num <= 0 || rate->den <= 0) |
200 | 10 | return AVERROR(EINVAL); | |
201 | 8215 | return 0; | |
202 | } | ||
203 | |||
204 | typedef struct ColorEntry { | ||
205 | const char *name; ///< a string representing the name of the color | ||
206 | uint8_t rgb_color[3]; ///< RGB values for the color | ||
207 | } ColorEntry; | ||
208 | |||
209 | static const ColorEntry color_table[] = { | ||
210 | { "AliceBlue", { 0xF0, 0xF8, 0xFF } }, | ||
211 | { "AntiqueWhite", { 0xFA, 0xEB, 0xD7 } }, | ||
212 | { "Aqua", { 0x00, 0xFF, 0xFF } }, | ||
213 | { "Aquamarine", { 0x7F, 0xFF, 0xD4 } }, | ||
214 | { "Azure", { 0xF0, 0xFF, 0xFF } }, | ||
215 | { "Beige", { 0xF5, 0xF5, 0xDC } }, | ||
216 | { "Bisque", { 0xFF, 0xE4, 0xC4 } }, | ||
217 | { "Black", { 0x00, 0x00, 0x00 } }, | ||
218 | { "BlanchedAlmond", { 0xFF, 0xEB, 0xCD } }, | ||
219 | { "Blue", { 0x00, 0x00, 0xFF } }, | ||
220 | { "BlueViolet", { 0x8A, 0x2B, 0xE2 } }, | ||
221 | { "Brown", { 0xA5, 0x2A, 0x2A } }, | ||
222 | { "BurlyWood", { 0xDE, 0xB8, 0x87 } }, | ||
223 | { "CadetBlue", { 0x5F, 0x9E, 0xA0 } }, | ||
224 | { "Chartreuse", { 0x7F, 0xFF, 0x00 } }, | ||
225 | { "Chocolate", { 0xD2, 0x69, 0x1E } }, | ||
226 | { "Coral", { 0xFF, 0x7F, 0x50 } }, | ||
227 | { "CornflowerBlue", { 0x64, 0x95, 0xED } }, | ||
228 | { "Cornsilk", { 0xFF, 0xF8, 0xDC } }, | ||
229 | { "Crimson", { 0xDC, 0x14, 0x3C } }, | ||
230 | { "Cyan", { 0x00, 0xFF, 0xFF } }, | ||
231 | { "DarkBlue", { 0x00, 0x00, 0x8B } }, | ||
232 | { "DarkCyan", { 0x00, 0x8B, 0x8B } }, | ||
233 | { "DarkGoldenRod", { 0xB8, 0x86, 0x0B } }, | ||
234 | { "DarkGray", { 0xA9, 0xA9, 0xA9 } }, | ||
235 | { "DarkGreen", { 0x00, 0x64, 0x00 } }, | ||
236 | { "DarkKhaki", { 0xBD, 0xB7, 0x6B } }, | ||
237 | { "DarkMagenta", { 0x8B, 0x00, 0x8B } }, | ||
238 | { "DarkOliveGreen", { 0x55, 0x6B, 0x2F } }, | ||
239 | { "Darkorange", { 0xFF, 0x8C, 0x00 } }, | ||
240 | { "DarkOrchid", { 0x99, 0x32, 0xCC } }, | ||
241 | { "DarkRed", { 0x8B, 0x00, 0x00 } }, | ||
242 | { "DarkSalmon", { 0xE9, 0x96, 0x7A } }, | ||
243 | { "DarkSeaGreen", { 0x8F, 0xBC, 0x8F } }, | ||
244 | { "DarkSlateBlue", { 0x48, 0x3D, 0x8B } }, | ||
245 | { "DarkSlateGray", { 0x2F, 0x4F, 0x4F } }, | ||
246 | { "DarkTurquoise", { 0x00, 0xCE, 0xD1 } }, | ||
247 | { "DarkViolet", { 0x94, 0x00, 0xD3 } }, | ||
248 | { "DeepPink", { 0xFF, 0x14, 0x93 } }, | ||
249 | { "DeepSkyBlue", { 0x00, 0xBF, 0xFF } }, | ||
250 | { "DimGray", { 0x69, 0x69, 0x69 } }, | ||
251 | { "DodgerBlue", { 0x1E, 0x90, 0xFF } }, | ||
252 | { "FireBrick", { 0xB2, 0x22, 0x22 } }, | ||
253 | { "FloralWhite", { 0xFF, 0xFA, 0xF0 } }, | ||
254 | { "ForestGreen", { 0x22, 0x8B, 0x22 } }, | ||
255 | { "Fuchsia", { 0xFF, 0x00, 0xFF } }, | ||
256 | { "Gainsboro", { 0xDC, 0xDC, 0xDC } }, | ||
257 | { "GhostWhite", { 0xF8, 0xF8, 0xFF } }, | ||
258 | { "Gold", { 0xFF, 0xD7, 0x00 } }, | ||
259 | { "GoldenRod", { 0xDA, 0xA5, 0x20 } }, | ||
260 | { "Gray", { 0x80, 0x80, 0x80 } }, | ||
261 | { "Green", { 0x00, 0x80, 0x00 } }, | ||
262 | { "GreenYellow", { 0xAD, 0xFF, 0x2F } }, | ||
263 | { "HoneyDew", { 0xF0, 0xFF, 0xF0 } }, | ||
264 | { "HotPink", { 0xFF, 0x69, 0xB4 } }, | ||
265 | { "IndianRed", { 0xCD, 0x5C, 0x5C } }, | ||
266 | { "Indigo", { 0x4B, 0x00, 0x82 } }, | ||
267 | { "Ivory", { 0xFF, 0xFF, 0xF0 } }, | ||
268 | { "Khaki", { 0xF0, 0xE6, 0x8C } }, | ||
269 | { "Lavender", { 0xE6, 0xE6, 0xFA } }, | ||
270 | { "LavenderBlush", { 0xFF, 0xF0, 0xF5 } }, | ||
271 | { "LawnGreen", { 0x7C, 0xFC, 0x00 } }, | ||
272 | { "LemonChiffon", { 0xFF, 0xFA, 0xCD } }, | ||
273 | { "LightBlue", { 0xAD, 0xD8, 0xE6 } }, | ||
274 | { "LightCoral", { 0xF0, 0x80, 0x80 } }, | ||
275 | { "LightCyan", { 0xE0, 0xFF, 0xFF } }, | ||
276 | { "LightGoldenRodYellow", { 0xFA, 0xFA, 0xD2 } }, | ||
277 | { "LightGreen", { 0x90, 0xEE, 0x90 } }, | ||
278 | { "LightGrey", { 0xD3, 0xD3, 0xD3 } }, | ||
279 | { "LightPink", { 0xFF, 0xB6, 0xC1 } }, | ||
280 | { "LightSalmon", { 0xFF, 0xA0, 0x7A } }, | ||
281 | { "LightSeaGreen", { 0x20, 0xB2, 0xAA } }, | ||
282 | { "LightSkyBlue", { 0x87, 0xCE, 0xFA } }, | ||
283 | { "LightSlateGray", { 0x77, 0x88, 0x99 } }, | ||
284 | { "LightSteelBlue", { 0xB0, 0xC4, 0xDE } }, | ||
285 | { "LightYellow", { 0xFF, 0xFF, 0xE0 } }, | ||
286 | { "Lime", { 0x00, 0xFF, 0x00 } }, | ||
287 | { "LimeGreen", { 0x32, 0xCD, 0x32 } }, | ||
288 | { "Linen", { 0xFA, 0xF0, 0xE6 } }, | ||
289 | { "Magenta", { 0xFF, 0x00, 0xFF } }, | ||
290 | { "Maroon", { 0x80, 0x00, 0x00 } }, | ||
291 | { "MediumAquaMarine", { 0x66, 0xCD, 0xAA } }, | ||
292 | { "MediumBlue", { 0x00, 0x00, 0xCD } }, | ||
293 | { "MediumOrchid", { 0xBA, 0x55, 0xD3 } }, | ||
294 | { "MediumPurple", { 0x93, 0x70, 0xD8 } }, | ||
295 | { "MediumSeaGreen", { 0x3C, 0xB3, 0x71 } }, | ||
296 | { "MediumSlateBlue", { 0x7B, 0x68, 0xEE } }, | ||
297 | { "MediumSpringGreen", { 0x00, 0xFA, 0x9A } }, | ||
298 | { "MediumTurquoise", { 0x48, 0xD1, 0xCC } }, | ||
299 | { "MediumVioletRed", { 0xC7, 0x15, 0x85 } }, | ||
300 | { "MidnightBlue", { 0x19, 0x19, 0x70 } }, | ||
301 | { "MintCream", { 0xF5, 0xFF, 0xFA } }, | ||
302 | { "MistyRose", { 0xFF, 0xE4, 0xE1 } }, | ||
303 | { "Moccasin", { 0xFF, 0xE4, 0xB5 } }, | ||
304 | { "NavajoWhite", { 0xFF, 0xDE, 0xAD } }, | ||
305 | { "Navy", { 0x00, 0x00, 0x80 } }, | ||
306 | { "OldLace", { 0xFD, 0xF5, 0xE6 } }, | ||
307 | { "Olive", { 0x80, 0x80, 0x00 } }, | ||
308 | { "OliveDrab", { 0x6B, 0x8E, 0x23 } }, | ||
309 | { "Orange", { 0xFF, 0xA5, 0x00 } }, | ||
310 | { "OrangeRed", { 0xFF, 0x45, 0x00 } }, | ||
311 | { "Orchid", { 0xDA, 0x70, 0xD6 } }, | ||
312 | { "PaleGoldenRod", { 0xEE, 0xE8, 0xAA } }, | ||
313 | { "PaleGreen", { 0x98, 0xFB, 0x98 } }, | ||
314 | { "PaleTurquoise", { 0xAF, 0xEE, 0xEE } }, | ||
315 | { "PaleVioletRed", { 0xD8, 0x70, 0x93 } }, | ||
316 | { "PapayaWhip", { 0xFF, 0xEF, 0xD5 } }, | ||
317 | { "PeachPuff", { 0xFF, 0xDA, 0xB9 } }, | ||
318 | { "Peru", { 0xCD, 0x85, 0x3F } }, | ||
319 | { "Pink", { 0xFF, 0xC0, 0xCB } }, | ||
320 | { "Plum", { 0xDD, 0xA0, 0xDD } }, | ||
321 | { "PowderBlue", { 0xB0, 0xE0, 0xE6 } }, | ||
322 | { "Purple", { 0x80, 0x00, 0x80 } }, | ||
323 | { "Red", { 0xFF, 0x00, 0x00 } }, | ||
324 | { "RosyBrown", { 0xBC, 0x8F, 0x8F } }, | ||
325 | { "RoyalBlue", { 0x41, 0x69, 0xE1 } }, | ||
326 | { "SaddleBrown", { 0x8B, 0x45, 0x13 } }, | ||
327 | { "Salmon", { 0xFA, 0x80, 0x72 } }, | ||
328 | { "SandyBrown", { 0xF4, 0xA4, 0x60 } }, | ||
329 | { "SeaGreen", { 0x2E, 0x8B, 0x57 } }, | ||
330 | { "SeaShell", { 0xFF, 0xF5, 0xEE } }, | ||
331 | { "Sienna", { 0xA0, 0x52, 0x2D } }, | ||
332 | { "Silver", { 0xC0, 0xC0, 0xC0 } }, | ||
333 | { "SkyBlue", { 0x87, 0xCE, 0xEB } }, | ||
334 | { "SlateBlue", { 0x6A, 0x5A, 0xCD } }, | ||
335 | { "SlateGray", { 0x70, 0x80, 0x90 } }, | ||
336 | { "Snow", { 0xFF, 0xFA, 0xFA } }, | ||
337 | { "SpringGreen", { 0x00, 0xFF, 0x7F } }, | ||
338 | { "SteelBlue", { 0x46, 0x82, 0xB4 } }, | ||
339 | { "Tan", { 0xD2, 0xB4, 0x8C } }, | ||
340 | { "Teal", { 0x00, 0x80, 0x80 } }, | ||
341 | { "Thistle", { 0xD8, 0xBF, 0xD8 } }, | ||
342 | { "Tomato", { 0xFF, 0x63, 0x47 } }, | ||
343 | { "Turquoise", { 0x40, 0xE0, 0xD0 } }, | ||
344 | { "Violet", { 0xEE, 0x82, 0xEE } }, | ||
345 | { "Wheat", { 0xF5, 0xDE, 0xB3 } }, | ||
346 | { "White", { 0xFF, 0xFF, 0xFF } }, | ||
347 | { "WhiteSmoke", { 0xF5, 0xF5, 0xF5 } }, | ||
348 | { "Yellow", { 0xFF, 0xFF, 0x00 } }, | ||
349 | { "YellowGreen", { 0x9A, 0xCD, 0x32 } }, | ||
350 | }; | ||
351 | |||
352 | 3339 | static int color_table_compare(const void *lhs, const void *rhs) | |
353 | { | ||
354 | 3339 | return av_strcasecmp(lhs, ((const ColorEntry *)rhs)->name); | |
355 | } | ||
356 | |||
357 | #define ALPHA_SEP '@' | ||
358 | |||
359 | 543 | int av_parse_color(uint8_t *rgba_color, const char *color_string, int slen, | |
360 | void *log_ctx) | ||
361 | { | ||
362 | char *tail, color_string2[128]; | ||
363 | const ColorEntry *entry; | ||
364 | 543 | int len, hex_offset = 0; | |
365 | |||
366 |
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543 | if (color_string[0] == '#') { |
367 | 38 | hex_offset = 1; | |
368 |
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505 | } else if (!strncmp(color_string, "0x", 2)) |
369 | 13 | hex_offset = 2; | |
370 | |||
371 |
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543 | if (slen < 0) |
372 | 462 | slen = strlen(color_string); | |
373 | 543 | av_strlcpy(color_string2, color_string + hex_offset, | |
374 |
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543 | FFMIN(slen-hex_offset+1, sizeof(color_string2))); |
375 |
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543 | if ((tail = strchr(color_string2, ALPHA_SEP))) |
376 | 17 | *tail++ = 0; | |
377 | 543 | len = strlen(color_string2); | |
378 | 543 | rgba_color[3] = 255; | |
379 | |||
380 |
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543 | if (!av_strcasecmp(color_string2, "random") || !av_strcasecmp(color_string2, "bikeshed")) { |
381 | 3 | int rgba = av_get_random_seed(); | |
382 | 3 | rgba_color[0] = rgba >> 24; | |
383 | 3 | rgba_color[1] = rgba >> 16; | |
384 | 3 | rgba_color[2] = rgba >> 8; | |
385 | 3 | rgba_color[3] = rgba; | |
386 |
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540 | } else if (hex_offset || |
387 |
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489 | strspn(color_string2, "0123456789ABCDEFabcdef") == len) { |
388 | char *tail; | ||
389 | 59 | unsigned int rgba = strtoul(color_string2, &tail, 16); | |
390 | |||
391 |
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59 | if (*tail || (len != 6 && len != 8)) { |
392 | 5 | av_log(log_ctx, AV_LOG_ERROR, "Invalid 0xRRGGBB[AA] color string: '%s'\n", color_string2); | |
393 | 5 | return AVERROR(EINVAL); | |
394 | } | ||
395 |
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54 | if (len == 8) { |
396 | 5 | rgba_color[3] = rgba; | |
397 | 5 | rgba >>= 8; | |
398 | } | ||
399 | 54 | rgba_color[0] = rgba >> 16; | |
400 | 54 | rgba_color[1] = rgba >> 8; | |
401 | 54 | rgba_color[2] = rgba; | |
402 | } else { | ||
403 | 481 | entry = bsearch(color_string2, | |
404 | color_table, | ||
405 | FF_ARRAY_ELEMS(color_table), | ||
406 | sizeof(ColorEntry), | ||
407 | color_table_compare); | ||
408 |
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481 | if (!entry) { |
409 | 3 | av_log(log_ctx, AV_LOG_ERROR, "Cannot find color '%s'\n", color_string2); | |
410 | 3 | return AVERROR(EINVAL); | |
411 | } | ||
412 | 478 | memcpy(rgba_color, entry->rgb_color, 3); | |
413 | } | ||
414 | |||
415 |
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535 | if (tail) { |
416 | double alpha; | ||
417 | 17 | const char *alpha_string = tail; | |
418 |
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17 | if (!strncmp(alpha_string, "0x", 2)) { |
419 | 2 | alpha = strtoul(alpha_string, &tail, 16); | |
420 | } else { | ||
421 | 15 | double norm_alpha = strtod(alpha_string, &tail); | |
422 |
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15 | if (norm_alpha < 0.0 || norm_alpha > 1.0) |
423 | 6 | alpha = 256; | |
424 | else | ||
425 | 9 | alpha = 255 * norm_alpha; | |
426 | } | ||
427 | |||
428 |
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17 | if (tail == alpha_string || *tail || alpha > 255 || alpha < 0) { |
429 | 9 | av_log(log_ctx, AV_LOG_ERROR, "Invalid alpha value specifier '%s' in '%s'\n", | |
430 | alpha_string, color_string); | ||
431 | 9 | return AVERROR(EINVAL); | |
432 | } | ||
433 | 8 | rgba_color[3] = alpha; | |
434 | } | ||
435 | |||
436 | 526 | return 0; | |
437 | } | ||
438 | |||
439 | 140 | const char *av_get_known_color_name(int color_idx, const uint8_t **rgbp) | |
440 | { | ||
441 | const ColorEntry *color; | ||
442 | |||
443 |
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140 | if ((unsigned)color_idx >= FF_ARRAY_ELEMS(color_table)) |
444 | ✗ | return NULL; | |
445 | |||
446 | 140 | color = &color_table[color_idx]; | |
447 |
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140 | if (rgbp) |
448 | 140 | *rgbp = color->rgb_color; | |
449 | |||
450 | 140 | return color->name; | |
451 | } | ||
452 | |||
453 | /* get a positive number between n_min and n_max, for a maximum length | ||
454 | of len_max. Return -1 if error. */ | ||
455 | 3163 | static int date_get_num(const char **pp, | |
456 | int n_min, int n_max, int len_max) | ||
457 | { | ||
458 | int i, val, c; | ||
459 | const char *p; | ||
460 | |||
461 | 3163 | p = *pp; | |
462 | 3163 | val = 0; | |
463 |
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7149 | for(i = 0; i < len_max; i++) { |
464 | 6589 | c = *p; | |
465 |
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6589 | if (!av_isdigit(c)) |
466 | 2603 | break; | |
467 | 3986 | val = (val * 10) + c - '0'; | |
468 | 3986 | p++; | |
469 | } | ||
470 | /* no number read ? */ | ||
471 |
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3163 | if (p == *pp) |
472 | 4 | return -1; | |
473 |
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3159 | if (val < n_min || val > n_max) |
474 | 3 | return -1; | |
475 | 3156 | *pp = p; | |
476 | 3156 | return val; | |
477 | } | ||
478 | |||
479 | 7 | static int date_get_month(const char **pp) { | |
480 | 7 | int i = 0; | |
481 |
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48 | for (; i < 12; i++) { |
482 |
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47 | if (!av_strncasecmp(*pp, months[i], 3)) { |
483 | 6 | const char *mo_full = months[i] + 3; | |
484 | 6 | int len = strlen(mo_full); | |
485 | 6 | *pp += 3; | |
486 |
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6 | if (len > 0 && !av_strncasecmp(*pp, mo_full, len)) |
487 | 3 | *pp += len; | |
488 | 6 | return i; | |
489 | } | ||
490 | } | ||
491 | 1 | return -1; | |
492 | } | ||
493 | |||
494 | 2850 | char *av_small_strptime(const char *p, const char *fmt, struct tm *dt) | |
495 | { | ||
496 | int c, val; | ||
497 | |||
498 |
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6423 | while((c = *fmt++)) { |
499 |
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6274 | if (c != '%') { |
500 |
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3104 | if (av_isspace(c)) |
501 |
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203 | for (; *p && av_isspace(*p); p++); |
502 |
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3001 | else if (*p != c) |
503 | 2693 | return NULL; | |
504 | 308 | else p++; | |
505 | 411 | continue; | |
506 | } | ||
507 | |||
508 | 3170 | c = *fmt++; | |
509 |
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3170 | switch(c) { |
510 | 1433 | case 'H': | |
511 | case 'J': | ||
512 |
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1433 | val = date_get_num(&p, 0, c == 'H' ? 23 : INT_MAX, c == 'H' ? 2 : 4); |
513 | |||
514 |
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1433 | if (val == -1) |
515 | 1 | return NULL; | |
516 | 1432 | dt->tm_hour = val; | |
517 | 1432 | break; | |
518 | 1546 | case 'M': | |
519 | 1546 | val = date_get_num(&p, 0, 59, 2); | |
520 |
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1546 | if (val == -1) |
521 | 5 | return NULL; | |
522 | 1541 | dt->tm_min = val; | |
523 | 1541 | break; | |
524 | 139 | case 'S': | |
525 | 139 | val = date_get_num(&p, 0, 59, 2); | |
526 |
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139 | if (val == -1) |
527 | ✗ | return NULL; | |
528 | 139 | dt->tm_sec = val; | |
529 | 139 | break; | |
530 | 19 | case 'Y': | |
531 | 19 | val = date_get_num(&p, 0, 9999, 4); | |
532 |
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19 | if (val == -1) |
533 | ✗ | return NULL; | |
534 | 19 | dt->tm_year = val - 1900; | |
535 | 19 | break; | |
536 | 11 | case 'm': | |
537 | 11 | val = date_get_num(&p, 1, 12, 2); | |
538 |
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11 | if (val == -1) |
539 | 1 | return NULL; | |
540 | 10 | dt->tm_mon = val - 1; | |
541 | 10 | break; | |
542 | 15 | case 'd': | |
543 | 15 | val = date_get_num(&p, 1, 31, 2); | |
544 |
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15 | if (val == -1) |
545 | ✗ | return NULL; | |
546 | 15 | dt->tm_mday = val; | |
547 | 15 | break; | |
548 | ✗ | case 'T': | |
549 | ✗ | p = av_small_strptime(p, "%H:%M:%S", dt); | |
550 | ✗ | if (!p) | |
551 | ✗ | return NULL; | |
552 | ✗ | break; | |
553 | 7 | case 'b': | |
554 | case 'B': | ||
555 | case 'h': | ||
556 | 7 | val = date_get_month(&p); | |
557 |
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7 | if (val == -1) |
558 | 1 | return NULL; | |
559 | 6 | dt->tm_mon = val; | |
560 | 6 | break; | |
561 | ✗ | case '%': | |
562 | ✗ | if (*p++ != '%') | |
563 | ✗ | return NULL; | |
564 | ✗ | break; | |
565 | ✗ | default: | |
566 | ✗ | return NULL; | |
567 | } | ||
568 | } | ||
569 | |||
570 | 149 | return (char*)p; | |
571 | } | ||
572 | |||
573 | 24 | time_t av_timegm(struct tm *tm) | |
574 | { | ||
575 | time_t t; | ||
576 | |||
577 | 24 | int y = tm->tm_year + 1900, m = tm->tm_mon + 1, d = tm->tm_mday; | |
578 | |||
579 |
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24 | if (m < 3) { |
580 | 2 | m += 12; | |
581 | 2 | y--; | |
582 | } | ||
583 | |||
584 | 24 | t = 86400LL * | |
585 | 24 | (d + (153 * m - 457) / 5 + 365 * y + y / 4 - y / 100 + y / 400 - 719469); | |
586 | |||
587 | 24 | t += 3600 * tm->tm_hour + 60 * tm->tm_min + tm->tm_sec; | |
588 | |||
589 | 24 | return t; | |
590 | } | ||
591 | |||
592 | 1422 | int av_parse_time(int64_t *timeval, const char *timestr, int duration) | |
593 | { | ||
594 | const char *p, *q; | ||
595 | int64_t t, now64; | ||
596 | time_t now; | ||
597 | 1422 | struct tm dt = { 0 }, tmbuf; | |
598 | 1422 | int today = 0, negative = 0, microseconds = 0, suffix = 1000000; | |
599 | int i; | ||
600 | static const char * const date_fmt[] = { | ||
601 | "%Y - %m - %d", | ||
602 | "%Y%m%d", | ||
603 | }; | ||
604 | static const char * const time_fmt[] = { | ||
605 | "%H:%M:%S", | ||
606 | "%H%M%S", | ||
607 | }; | ||
608 | static const char * const tz_fmt[] = { | ||
609 | "%H:%M", | ||
610 | "%H%M", | ||
611 | "%H", | ||
612 | }; | ||
613 | |||
614 | 1422 | p = timestr; | |
615 | 1422 | q = NULL; | |
616 | 1422 | *timeval = INT64_MIN; | |
617 |
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1422 | if (!duration) { |
618 | 8 | now64 = av_gettime(); | |
619 | 8 | now = now64 / 1000000; | |
620 | |||
621 |
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8 | if (!av_strcasecmp(timestr, "now")) { |
622 | 1 | *timeval = now64; | |
623 | 1 | return 0; | |
624 | } | ||
625 | |||
626 | /* parse the year-month-day part */ | ||
627 |
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9 | for (i = 0; i < FF_ARRAY_ELEMS(date_fmt); i++) { |
628 | 8 | q = av_small_strptime(p, date_fmt[i], &dt); | |
629 |
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8 | if (q) |
630 | 6 | break; | |
631 | } | ||
632 | |||
633 | /* if the year-month-day part is missing, then take the | ||
634 | * current year-month-day time */ | ||
635 |
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7 | if (!q) { |
636 | 1 | today = 1; | |
637 | 1 | q = p; | |
638 | } | ||
639 | 7 | p = q; | |
640 | |||
641 |
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7 | if (*p == 'T' || *p == 't') |
642 | 2 | p++; | |
643 | else | ||
644 |
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10 | while (av_isspace(*p)) |
645 | 5 | p++; | |
646 | |||
647 | /* parse the hour-minute-second part */ | ||
648 |
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8 | for (i = 0; i < FF_ARRAY_ELEMS(time_fmt); i++) { |
649 | 8 | q = av_small_strptime(p, time_fmt[i], &dt); | |
650 |
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8 | if (q) |
651 | 7 | break; | |
652 | } | ||
653 | } else { | ||
654 | /* parse timestr as a duration */ | ||
655 |
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1414 | if (p[0] == '-') { |
656 | 3 | negative = 1; | |
657 | 3 | ++p; | |
658 | } | ||
659 | /* parse timestr as HH:MM:SS */ | ||
660 | 1414 | q = av_small_strptime(p, "%J:%M:%S", &dt); | |
661 |
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1414 | if (!q) { |
662 | /* parse timestr as MM:SS */ | ||
663 | 1405 | q = av_small_strptime(p, "%M:%S", &dt); | |
664 | 1405 | dt.tm_hour = 0; | |
665 | } | ||
666 |
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1414 | if (!q) { |
667 | char *o; | ||
668 | /* parse timestr as S+ */ | ||
669 | 1289 | errno = 0; | |
670 | 1289 | t = strtoll(p, &o, 10); | |
671 |
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1289 | if (o == p) /* the parsing didn't succeed */ |
672 | 2 | return AVERROR(EINVAL); | |
673 |
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1288 | if (errno == ERANGE) |
674 | 1 | return AVERROR(ERANGE); | |
675 | 1287 | q = o; | |
676 | } else { | ||
677 | 125 | t = dt.tm_hour * 3600 + dt.tm_min * 60 + dt.tm_sec; | |
678 | } | ||
679 | } | ||
680 | |||
681 | /* Now we have all the fields that we can get */ | ||
682 |
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1419 | if (!q) |
683 | ✗ | return AVERROR(EINVAL); | |
684 | |||
685 | /* parse the .m... part */ | ||
686 |
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1419 | if (*q == '.') { |
687 | int n; | ||
688 | 238 | q++; | |
689 |
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672 | for (n = 100000; n >= 1; n /= 10, q++) { |
690 |
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666 | if (!av_isdigit(*q)) |
691 | 232 | break; | |
692 | 434 | microseconds += n * (*q - '0'); | |
693 | } | ||
694 |
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253 | while (av_isdigit(*q)) |
695 | 15 | q++; | |
696 | } | ||
697 | |||
698 |
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1419 | if (duration) { |
699 |
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1412 | if (q[0] == 'm' && q[1] == 's') { |
700 | 2 | suffix = 1000; | |
701 | 2 | microseconds /= 1000; | |
702 | 2 | q += 2; | |
703 |
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1410 | } else if (q[0] == 'u' && q[1] == 's') { |
704 | 1 | suffix = 1; | |
705 | 1 | microseconds = 0; | |
706 | 1 | q += 2; | |
707 |
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1409 | } else if (*q == 's') |
708 | 5 | q++; | |
709 | } else { | ||
710 |
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7 | int is_utc = *q == 'Z' || *q == 'z'; |
711 | 7 | int tzoffset = 0; | |
712 | 7 | q += is_utc; | |
713 |
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7 | if (!today && !is_utc && (*q == '+' || *q == '-')) { |
714 | 2 | struct tm tz = { 0 }; | |
715 |
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2 | int sign = (*q == '+' ? -1 : 1); |
716 | 2 | q++; | |
717 | 2 | p = q; | |
718 |
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4 | for (i = 0; i < FF_ARRAY_ELEMS(tz_fmt); i++) { |
719 | 4 | q = av_small_strptime(p, tz_fmt[i], &tz); | |
720 |
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4 | if (q) |
721 | 2 | break; | |
722 | } | ||
723 |
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2 | if (!q) |
724 | ✗ | return AVERROR(EINVAL); | |
725 | 2 | tzoffset = sign * (tz.tm_hour * 60 + tz.tm_min) * 60; | |
726 | 2 | is_utc = 1; | |
727 | } | ||
728 |
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7 | if (today) { /* fill in today's date */ |
729 |
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1 | struct tm dt2 = is_utc ? *gmtime_r(&now, &tmbuf) : *localtime_r(&now, &tmbuf); |
730 | 1 | dt2.tm_hour = dt.tm_hour; | |
731 | 1 | dt2.tm_min = dt.tm_min; | |
732 | 1 | dt2.tm_sec = dt.tm_sec; | |
733 | 1 | dt = dt2; | |
734 | } | ||
735 |
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7 | dt.tm_isdst = is_utc ? 0 : -1; |
736 |
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7 | t = is_utc ? av_timegm(&dt) : mktime(&dt); |
737 | 7 | t += tzoffset; | |
738 | } | ||
739 | |||
740 | /* Check that we are at the end of the string */ | ||
741 |
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1419 | if (*q) |
742 | ✗ | return AVERROR(EINVAL); | |
743 | |||
744 |
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1419 | if (INT64_MAX / suffix < t || t < INT64_MIN / suffix) |
745 | ✗ | return AVERROR(ERANGE); | |
746 | 1419 | t *= suffix; | |
747 |
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1419 | if (INT64_MAX - microseconds < t) |
748 | ✗ | return AVERROR(ERANGE); | |
749 | 1419 | t += microseconds; | |
750 |
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1419 | if (t == INT64_MIN && negative) |
751 | ✗ | return AVERROR(ERANGE); | |
752 |
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1419 | *timeval = negative ? -t : t; |
753 | 1419 | return 0; | |
754 | } | ||
755 | |||
756 | 7 | int av_find_info_tag(char *arg, int arg_size, const char *tag1, const char *info) | |
757 | { | ||
758 | const char *p; | ||
759 | char tag[128], *q; | ||
760 | |||
761 | 7 | p = info; | |
762 |
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7 | if (*p == '?') |
763 | 7 | p++; | |
764 | for(;;) { | ||
765 | 25 | q = tag; | |
766 |
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132 | while (*p != '\0' && *p != '=' && *p != '&') { |
767 |
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107 | if ((q - tag) < sizeof(tag) - 1) |
768 | 107 | *q++ = *p; | |
769 | 107 | p++; | |
770 | } | ||
771 | 25 | *q = '\0'; | |
772 | 25 | q = arg; | |
773 |
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25 | if (*p == '=') { |
774 | 25 | p++; | |
775 |
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150 | while (*p != '&' && *p != '\0') { |
776 |
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125 | if ((q - arg) < arg_size - 1) { |
777 |
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125 | if (*p == '+') |
778 | ✗ | *q++ = ' '; | |
779 | else | ||
780 | 125 | *q++ = *p; | |
781 | } | ||
782 | 125 | p++; | |
783 | } | ||
784 | } | ||
785 | 25 | *q = '\0'; | |
786 |
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25 | if (!strcmp(tag, tag1)) |
787 | 4 | return 1; | |
788 |
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21 | if (*p != '&') |
789 | 3 | break; | |
790 | 18 | p++; | |
791 | } | ||
792 | 3 | return 0; | |
793 | } | ||
794 |