| /* |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file |
| * misc parsing utilities |
| */ |
| |
| #include <time.h> |
| |
| #include "avstring.h" |
| #include "avutil.h" |
| #include "common.h" |
| #include "eval.h" |
| #include "log.h" |
| #include "random_seed.h" |
| #include "time_internal.h" |
| #include "parseutils.h" |
| #include "time.h" |
| |
| #ifdef TEST |
| |
| #define av_get_random_seed av_get_random_seed_deterministic |
| static uint32_t av_get_random_seed_deterministic(void); |
| |
| #define av_gettime() 1331972053200000 |
| |
| #endif |
| |
| int av_parse_ratio(AVRational *q, const char *str, int max, |
| int log_offset, void *log_ctx) |
| { |
| char c; |
| int ret; |
| |
| if (sscanf(str, "%d:%d%c", &q->num, &q->den, &c) != 2) { |
| double d; |
| ret = av_expr_parse_and_eval(&d, str, NULL, NULL, |
| NULL, NULL, NULL, NULL, |
| NULL, log_offset, log_ctx); |
| if (ret < 0) |
| return ret; |
| *q = av_d2q(d, max); |
| } else { |
| av_reduce(&q->num, &q->den, q->num, q->den, max); |
| } |
| |
| return 0; |
| } |
| |
| typedef struct VideoSizeAbbr { |
| const char *abbr; |
| int width, height; |
| } VideoSizeAbbr; |
| |
| typedef struct VideoRateAbbr { |
| const char *abbr; |
| AVRational rate; |
| } VideoRateAbbr; |
| |
| static const VideoSizeAbbr video_size_abbrs[] = { |
| { "ntsc", 720, 480 }, |
| { "pal", 720, 576 }, |
| { "qntsc", 352, 240 }, /* VCD compliant NTSC */ |
| { "qpal", 352, 288 }, /* VCD compliant PAL */ |
| { "sntsc", 640, 480 }, /* square pixel NTSC */ |
| { "spal", 768, 576 }, /* square pixel PAL */ |
| { "film", 352, 240 }, |
| { "ntsc-film", 352, 240 }, |
| { "sqcif", 128, 96 }, |
| { "qcif", 176, 144 }, |
| { "cif", 352, 288 }, |
| { "4cif", 704, 576 }, |
| { "16cif", 1408,1152 }, |
| { "qqvga", 160, 120 }, |
| { "qvga", 320, 240 }, |
| { "vga", 640, 480 }, |
| { "svga", 800, 600 }, |
| { "xga", 1024, 768 }, |
| { "uxga", 1600,1200 }, |
| { "qxga", 2048,1536 }, |
| { "sxga", 1280,1024 }, |
| { "qsxga", 2560,2048 }, |
| { "hsxga", 5120,4096 }, |
| { "wvga", 852, 480 }, |
| { "wxga", 1366, 768 }, |
| { "wsxga", 1600,1024 }, |
| { "wuxga", 1920,1200 }, |
| { "woxga", 2560,1600 }, |
| { "wqsxga", 3200,2048 }, |
| { "wquxga", 3840,2400 }, |
| { "whsxga", 6400,4096 }, |
| { "whuxga", 7680,4800 }, |
| { "cga", 320, 200 }, |
| { "ega", 640, 350 }, |
| { "hd480", 852, 480 }, |
| { "hd720", 1280, 720 }, |
| { "hd1080", 1920,1080 }, |
| { "2k", 2048,1080 }, /* Digital Cinema System Specification */ |
| { "2kdci", 2048,1080 }, |
| { "2kflat", 1998,1080 }, |
| { "2kscope", 2048, 858 }, |
| { "4k", 4096,2160 }, /* Digital Cinema System Specification */ |
| { "4kdci", 4096,2160 }, |
| { "4kflat", 3996,2160 }, |
| { "4kscope", 4096,1716 }, |
| { "nhd", 640,360 }, |
| { "hqvga", 240,160 }, |
| { "wqvga", 400,240 }, |
| { "fwqvga", 432,240 }, |
| { "hvga", 480,320 }, |
| { "qhd", 960,540 }, |
| { "uhd2160", 3840,2160 }, |
| { "uhd4320", 7680,4320 }, |
| }; |
| |
| static const VideoRateAbbr video_rate_abbrs[]= { |
| { "ntsc", { 30000, 1001 } }, |
| { "pal", { 25, 1 } }, |
| { "qntsc", { 30000, 1001 } }, /* VCD compliant NTSC */ |
| { "qpal", { 25, 1 } }, /* VCD compliant PAL */ |
| { "sntsc", { 30000, 1001 } }, /* square pixel NTSC */ |
| { "spal", { 25, 1 } }, /* square pixel PAL */ |
| { "film", { 24, 1 } }, |
| { "ntsc-film", { 24000, 1001 } }, |
| }; |
| |
| int av_parse_video_size(int *width_ptr, int *height_ptr, const char *str) |
| { |
| int i; |
| int n = FF_ARRAY_ELEMS(video_size_abbrs); |
| const char *p; |
| int width = 0, height = 0; |
| |
| for (i = 0; i < n; i++) { |
| if (!strcmp(video_size_abbrs[i].abbr, str)) { |
| width = video_size_abbrs[i].width; |
| height = video_size_abbrs[i].height; |
| break; |
| } |
| } |
| if (i == n) { |
| width = strtol(str, (void*)&p, 10); |
| if (*p) |
| p++; |
| height = strtol(p, (void*)&p, 10); |
| |
| /* trailing extraneous data detected, like in 123x345foobar */ |
| if (*p) |
| return AVERROR(EINVAL); |
| } |
| if (width <= 0 || height <= 0) |
| return AVERROR(EINVAL); |
| *width_ptr = width; |
| *height_ptr = height; |
| return 0; |
| } |
| |
| int av_parse_video_rate(AVRational *rate, const char *arg) |
| { |
| int i, ret; |
| int n = FF_ARRAY_ELEMS(video_rate_abbrs); |
| |
| /* First, we check our abbreviation table */ |
| for (i = 0; i < n; ++i) |
| if (!strcmp(video_rate_abbrs[i].abbr, arg)) { |
| *rate = video_rate_abbrs[i].rate; |
| return 0; |
| } |
| |
| /* Then, we try to parse it as fraction */ |
| if ((ret = av_parse_ratio_quiet(rate, arg, 1001000)) < 0) |
| return ret; |
| if (rate->num <= 0 || rate->den <= 0) |
| return AVERROR(EINVAL); |
| return 0; |
| } |
| |
| typedef struct ColorEntry { |
| const char *name; ///< a string representing the name of the color |
| uint8_t rgb_color[3]; ///< RGB values for the color |
| } ColorEntry; |
| |
| static const ColorEntry color_table[] = { |
| { "AliceBlue", { 0xF0, 0xF8, 0xFF } }, |
| { "AntiqueWhite", { 0xFA, 0xEB, 0xD7 } }, |
| { "Aqua", { 0x00, 0xFF, 0xFF } }, |
| { "Aquamarine", { 0x7F, 0xFF, 0xD4 } }, |
| { "Azure", { 0xF0, 0xFF, 0xFF } }, |
| { "Beige", { 0xF5, 0xF5, 0xDC } }, |
| { "Bisque", { 0xFF, 0xE4, 0xC4 } }, |
| { "Black", { 0x00, 0x00, 0x00 } }, |
| { "BlanchedAlmond", { 0xFF, 0xEB, 0xCD } }, |
| { "Blue", { 0x00, 0x00, 0xFF } }, |
| { "BlueViolet", { 0x8A, 0x2B, 0xE2 } }, |
| { "Brown", { 0xA5, 0x2A, 0x2A } }, |
| { "BurlyWood", { 0xDE, 0xB8, 0x87 } }, |
| { "CadetBlue", { 0x5F, 0x9E, 0xA0 } }, |
| { "Chartreuse", { 0x7F, 0xFF, 0x00 } }, |
| { "Chocolate", { 0xD2, 0x69, 0x1E } }, |
| { "Coral", { 0xFF, 0x7F, 0x50 } }, |
| { "CornflowerBlue", { 0x64, 0x95, 0xED } }, |
| { "Cornsilk", { 0xFF, 0xF8, 0xDC } }, |
| { "Crimson", { 0xDC, 0x14, 0x3C } }, |
| { "Cyan", { 0x00, 0xFF, 0xFF } }, |
| { "DarkBlue", { 0x00, 0x00, 0x8B } }, |
| { "DarkCyan", { 0x00, 0x8B, 0x8B } }, |
| { "DarkGoldenRod", { 0xB8, 0x86, 0x0B } }, |
| { "DarkGray", { 0xA9, 0xA9, 0xA9 } }, |
| { "DarkGreen", { 0x00, 0x64, 0x00 } }, |
| { "DarkKhaki", { 0xBD, 0xB7, 0x6B } }, |
| { "DarkMagenta", { 0x8B, 0x00, 0x8B } }, |
| { "DarkOliveGreen", { 0x55, 0x6B, 0x2F } }, |
| { "Darkorange", { 0xFF, 0x8C, 0x00 } }, |
| { "DarkOrchid", { 0x99, 0x32, 0xCC } }, |
| { "DarkRed", { 0x8B, 0x00, 0x00 } }, |
| { "DarkSalmon", { 0xE9, 0x96, 0x7A } }, |
| { "DarkSeaGreen", { 0x8F, 0xBC, 0x8F } }, |
| { "DarkSlateBlue", { 0x48, 0x3D, 0x8B } }, |
| { "DarkSlateGray", { 0x2F, 0x4F, 0x4F } }, |
| { "DarkTurquoise", { 0x00, 0xCE, 0xD1 } }, |
| { "DarkViolet", { 0x94, 0x00, 0xD3 } }, |
| { "DeepPink", { 0xFF, 0x14, 0x93 } }, |
| { "DeepSkyBlue", { 0x00, 0xBF, 0xFF } }, |
| { "DimGray", { 0x69, 0x69, 0x69 } }, |
| { "DodgerBlue", { 0x1E, 0x90, 0xFF } }, |
| { "FireBrick", { 0xB2, 0x22, 0x22 } }, |
| { "FloralWhite", { 0xFF, 0xFA, 0xF0 } }, |
| { "ForestGreen", { 0x22, 0x8B, 0x22 } }, |
| { "Fuchsia", { 0xFF, 0x00, 0xFF } }, |
| { "Gainsboro", { 0xDC, 0xDC, 0xDC } }, |
| { "GhostWhite", { 0xF8, 0xF8, 0xFF } }, |
| { "Gold", { 0xFF, 0xD7, 0x00 } }, |
| { "GoldenRod", { 0xDA, 0xA5, 0x20 } }, |
| { "Gray", { 0x80, 0x80, 0x80 } }, |
| { "Green", { 0x00, 0x80, 0x00 } }, |
| { "GreenYellow", { 0xAD, 0xFF, 0x2F } }, |
| { "HoneyDew", { 0xF0, 0xFF, 0xF0 } }, |
| { "HotPink", { 0xFF, 0x69, 0xB4 } }, |
| { "IndianRed", { 0xCD, 0x5C, 0x5C } }, |
| { "Indigo", { 0x4B, 0x00, 0x82 } }, |
| { "Ivory", { 0xFF, 0xFF, 0xF0 } }, |
| { "Khaki", { 0xF0, 0xE6, 0x8C } }, |
| { "Lavender", { 0xE6, 0xE6, 0xFA } }, |
| { "LavenderBlush", { 0xFF, 0xF0, 0xF5 } }, |
| { "LawnGreen", { 0x7C, 0xFC, 0x00 } }, |
| { "LemonChiffon", { 0xFF, 0xFA, 0xCD } }, |
| { "LightBlue", { 0xAD, 0xD8, 0xE6 } }, |
| { "LightCoral", { 0xF0, 0x80, 0x80 } }, |
| { "LightCyan", { 0xE0, 0xFF, 0xFF } }, |
| { "LightGoldenRodYellow", { 0xFA, 0xFA, 0xD2 } }, |
| { "LightGreen", { 0x90, 0xEE, 0x90 } }, |
| { "LightGrey", { 0xD3, 0xD3, 0xD3 } }, |
| { "LightPink", { 0xFF, 0xB6, 0xC1 } }, |
| { "LightSalmon", { 0xFF, 0xA0, 0x7A } }, |
| { "LightSeaGreen", { 0x20, 0xB2, 0xAA } }, |
| { "LightSkyBlue", { 0x87, 0xCE, 0xFA } }, |
| { "LightSlateGray", { 0x77, 0x88, 0x99 } }, |
| { "LightSteelBlue", { 0xB0, 0xC4, 0xDE } }, |
| { "LightYellow", { 0xFF, 0xFF, 0xE0 } }, |
| { "Lime", { 0x00, 0xFF, 0x00 } }, |
| { "LimeGreen", { 0x32, 0xCD, 0x32 } }, |
| { "Linen", { 0xFA, 0xF0, 0xE6 } }, |
| { "Magenta", { 0xFF, 0x00, 0xFF } }, |
| { "Maroon", { 0x80, 0x00, 0x00 } }, |
| { "MediumAquaMarine", { 0x66, 0xCD, 0xAA } }, |
| { "MediumBlue", { 0x00, 0x00, 0xCD } }, |
| { "MediumOrchid", { 0xBA, 0x55, 0xD3 } }, |
| { "MediumPurple", { 0x93, 0x70, 0xD8 } }, |
| { "MediumSeaGreen", { 0x3C, 0xB3, 0x71 } }, |
| { "MediumSlateBlue", { 0x7B, 0x68, 0xEE } }, |
| { "MediumSpringGreen", { 0x00, 0xFA, 0x9A } }, |
| { "MediumTurquoise", { 0x48, 0xD1, 0xCC } }, |
| { "MediumVioletRed", { 0xC7, 0x15, 0x85 } }, |
| { "MidnightBlue", { 0x19, 0x19, 0x70 } }, |
| { "MintCream", { 0xF5, 0xFF, 0xFA } }, |
| { "MistyRose", { 0xFF, 0xE4, 0xE1 } }, |
| { "Moccasin", { 0xFF, 0xE4, 0xB5 } }, |
| { "NavajoWhite", { 0xFF, 0xDE, 0xAD } }, |
| { "Navy", { 0x00, 0x00, 0x80 } }, |
| { "OldLace", { 0xFD, 0xF5, 0xE6 } }, |
| { "Olive", { 0x80, 0x80, 0x00 } }, |
| { "OliveDrab", { 0x6B, 0x8E, 0x23 } }, |
| { "Orange", { 0xFF, 0xA5, 0x00 } }, |
| { "OrangeRed", { 0xFF, 0x45, 0x00 } }, |
| { "Orchid", { 0xDA, 0x70, 0xD6 } }, |
| { "PaleGoldenRod", { 0xEE, 0xE8, 0xAA } }, |
| { "PaleGreen", { 0x98, 0xFB, 0x98 } }, |
| { "PaleTurquoise", { 0xAF, 0xEE, 0xEE } }, |
| { "PaleVioletRed", { 0xD8, 0x70, 0x93 } }, |
| { "PapayaWhip", { 0xFF, 0xEF, 0xD5 } }, |
| { "PeachPuff", { 0xFF, 0xDA, 0xB9 } }, |
| { "Peru", { 0xCD, 0x85, 0x3F } }, |
| { "Pink", { 0xFF, 0xC0, 0xCB } }, |
| { "Plum", { 0xDD, 0xA0, 0xDD } }, |
| { "PowderBlue", { 0xB0, 0xE0, 0xE6 } }, |
| { "Purple", { 0x80, 0x00, 0x80 } }, |
| { "Red", { 0xFF, 0x00, 0x00 } }, |
| { "RosyBrown", { 0xBC, 0x8F, 0x8F } }, |
| { "RoyalBlue", { 0x41, 0x69, 0xE1 } }, |
| { "SaddleBrown", { 0x8B, 0x45, 0x13 } }, |
| { "Salmon", { 0xFA, 0x80, 0x72 } }, |
| { "SandyBrown", { 0xF4, 0xA4, 0x60 } }, |
| { "SeaGreen", { 0x2E, 0x8B, 0x57 } }, |
| { "SeaShell", { 0xFF, 0xF5, 0xEE } }, |
| { "Sienna", { 0xA0, 0x52, 0x2D } }, |
| { "Silver", { 0xC0, 0xC0, 0xC0 } }, |
| { "SkyBlue", { 0x87, 0xCE, 0xEB } }, |
| { "SlateBlue", { 0x6A, 0x5A, 0xCD } }, |
| { "SlateGray", { 0x70, 0x80, 0x90 } }, |
| { "Snow", { 0xFF, 0xFA, 0xFA } }, |
| { "SpringGreen", { 0x00, 0xFF, 0x7F } }, |
| { "SteelBlue", { 0x46, 0x82, 0xB4 } }, |
| { "Tan", { 0xD2, 0xB4, 0x8C } }, |
| { "Teal", { 0x00, 0x80, 0x80 } }, |
| { "Thistle", { 0xD8, 0xBF, 0xD8 } }, |
| { "Tomato", { 0xFF, 0x63, 0x47 } }, |
| { "Turquoise", { 0x40, 0xE0, 0xD0 } }, |
| { "Violet", { 0xEE, 0x82, 0xEE } }, |
| { "Wheat", { 0xF5, 0xDE, 0xB3 } }, |
| { "White", { 0xFF, 0xFF, 0xFF } }, |
| { "WhiteSmoke", { 0xF5, 0xF5, 0xF5 } }, |
| { "Yellow", { 0xFF, 0xFF, 0x00 } }, |
| { "YellowGreen", { 0x9A, 0xCD, 0x32 } }, |
| }; |
| |
| static int color_table_compare(const void *lhs, const void *rhs) |
| { |
| return av_strcasecmp(lhs, ((const ColorEntry *)rhs)->name); |
| } |
| |
| #define ALPHA_SEP '@' |
| |
| int av_parse_color(uint8_t *rgba_color, const char *color_string, int slen, |
| void *log_ctx) |
| { |
| char *tail, color_string2[128]; |
| const ColorEntry *entry; |
| int len, hex_offset = 0; |
| |
| if (color_string[0] == '#') { |
| hex_offset = 1; |
| } else if (!strncmp(color_string, "0x", 2)) |
| hex_offset = 2; |
| |
| if (slen < 0) |
| slen = strlen(color_string); |
| av_strlcpy(color_string2, color_string + hex_offset, |
| FFMIN(slen-hex_offset+1, sizeof(color_string2))); |
| if ((tail = strchr(color_string2, ALPHA_SEP))) |
| *tail++ = 0; |
| len = strlen(color_string2); |
| rgba_color[3] = 255; |
| |
| if (!av_strcasecmp(color_string2, "random") || !av_strcasecmp(color_string2, "bikeshed")) { |
| int rgba = av_get_random_seed(); |
| rgba_color[0] = rgba >> 24; |
| rgba_color[1] = rgba >> 16; |
| rgba_color[2] = rgba >> 8; |
| rgba_color[3] = rgba; |
| } else if (hex_offset || |
| strspn(color_string2, "0123456789ABCDEFabcdef") == len) { |
| char *tail; |
| unsigned int rgba = strtoul(color_string2, &tail, 16); |
| |
| if (*tail || (len != 6 && len != 8)) { |
| av_log(log_ctx, AV_LOG_ERROR, "Invalid 0xRRGGBB[AA] color string: '%s'\n", color_string2); |
| return AVERROR(EINVAL); |
| } |
| if (len == 8) { |
| rgba_color[3] = rgba; |
| rgba >>= 8; |
| } |
| rgba_color[0] = rgba >> 16; |
| rgba_color[1] = rgba >> 8; |
| rgba_color[2] = rgba; |
| } else { |
| entry = bsearch(color_string2, |
| color_table, |
| FF_ARRAY_ELEMS(color_table), |
| sizeof(ColorEntry), |
| color_table_compare); |
| if (!entry) { |
| av_log(log_ctx, AV_LOG_ERROR, "Cannot find color '%s'\n", color_string2); |
| return AVERROR(EINVAL); |
| } |
| memcpy(rgba_color, entry->rgb_color, 3); |
| } |
| |
| if (tail) { |
| double alpha; |
| const char *alpha_string = tail; |
| if (!strncmp(alpha_string, "0x", 2)) { |
| alpha = strtoul(alpha_string, &tail, 16); |
| } else { |
| double norm_alpha = strtod(alpha_string, &tail); |
| if (norm_alpha < 0.0 || norm_alpha > 1.0) |
| alpha = 256; |
| else |
| alpha = 255 * norm_alpha; |
| } |
| |
| if (tail == alpha_string || *tail || alpha > 255 || alpha < 0) { |
| av_log(log_ctx, AV_LOG_ERROR, "Invalid alpha value specifier '%s' in '%s'\n", |
| alpha_string, color_string); |
| return AVERROR(EINVAL); |
| } |
| rgba_color[3] = alpha; |
| } |
| |
| return 0; |
| } |
| |
| const char *av_get_known_color_name(int color_idx, const uint8_t **rgbp) |
| { |
| const ColorEntry *color; |
| |
| if ((unsigned)color_idx >= FF_ARRAY_ELEMS(color_table)) |
| return NULL; |
| |
| color = &color_table[color_idx]; |
| if (rgbp) |
| *rgbp = color->rgb_color; |
| |
| return color->name; |
| } |
| |
| /* get a positive number between n_min and n_max, for a maximum length |
| of len_max. Return -1 if error. */ |
| static int date_get_num(const char **pp, |
| int n_min, int n_max, int len_max) |
| { |
| int i, val, c; |
| const char *p; |
| |
| p = *pp; |
| val = 0; |
| for(i = 0; i < len_max; i++) { |
| c = *p; |
| if (!av_isdigit(c)) |
| break; |
| val = (val * 10) + c - '0'; |
| p++; |
| } |
| /* no number read ? */ |
| if (p == *pp) |
| return -1; |
| if (val < n_min || val > n_max) |
| return -1; |
| *pp = p; |
| return val; |
| } |
| |
| char *av_small_strptime(const char *p, const char *fmt, struct tm *dt) |
| { |
| int c, val; |
| |
| while((c = *fmt++)) { |
| if (c != '%') { |
| if (av_isspace(c)) |
| for (; *p && av_isspace(*p); p++); |
| else if (*p != c) |
| return NULL; |
| else p++; |
| continue; |
| } |
| |
| c = *fmt++; |
| switch(c) { |
| case 'H': |
| case 'J': |
| val = date_get_num(&p, 0, c == 'H' ? 23 : INT_MAX, 2); |
| |
| if (val == -1) |
| return NULL; |
| dt->tm_hour = val; |
| break; |
| case 'M': |
| val = date_get_num(&p, 0, 59, 2); |
| if (val == -1) |
| return NULL; |
| dt->tm_min = val; |
| break; |
| case 'S': |
| val = date_get_num(&p, 0, 59, 2); |
| if (val == -1) |
| return NULL; |
| dt->tm_sec = val; |
| break; |
| case 'Y': |
| val = date_get_num(&p, 0, 9999, 4); |
| if (val == -1) |
| return NULL; |
| dt->tm_year = val - 1900; |
| break; |
| case 'm': |
| val = date_get_num(&p, 1, 12, 2); |
| if (val == -1) |
| return NULL; |
| dt->tm_mon = val - 1; |
| break; |
| case 'd': |
| val = date_get_num(&p, 1, 31, 2); |
| if (val == -1) |
| return NULL; |
| dt->tm_mday = val; |
| break; |
| case 'T': |
| p = av_small_strptime(p, "%H:%M:%S", dt); |
| if (!p) |
| return NULL; |
| break; |
| case '%': |
| if (*p++ != '%') |
| return NULL; |
| break; |
| default: |
| return NULL; |
| } |
| } |
| |
| return (char*)p; |
| } |
| |
| time_t av_timegm(struct tm *tm) |
| { |
| time_t t; |
| |
| int y = tm->tm_year + 1900, m = tm->tm_mon + 1, d = tm->tm_mday; |
| |
| if (m < 3) { |
| m += 12; |
| y--; |
| } |
| |
| t = 86400LL * |
| (d + (153 * m - 457) / 5 + 365 * y + y / 4 - y / 100 + y / 400 - 719469); |
| |
| t += 3600 * tm->tm_hour + 60 * tm->tm_min + tm->tm_sec; |
| |
| return t; |
| } |
| |
| int av_parse_time(int64_t *timeval, const char *timestr, int duration) |
| { |
| const char *p, *q; |
| int64_t t, now64; |
| time_t now; |
| struct tm dt = { 0 }, tmbuf; |
| int today = 0, negative = 0, microseconds = 0; |
| int i; |
| static const char * const date_fmt[] = { |
| "%Y - %m - %d", |
| "%Y%m%d", |
| }; |
| static const char * const time_fmt[] = { |
| "%H:%M:%S", |
| "%H%M%S", |
| }; |
| static const char * const tz_fmt[] = { |
| "%H:%M", |
| "%H%M", |
| "%H", |
| }; |
| |
| p = timestr; |
| q = NULL; |
| *timeval = INT64_MIN; |
| if (!duration) { |
| now64 = av_gettime(); |
| now = now64 / 1000000; |
| |
| if (!av_strcasecmp(timestr, "now")) { |
| *timeval = now64; |
| return 0; |
| } |
| |
| /* parse the year-month-day part */ |
| for (i = 0; i < FF_ARRAY_ELEMS(date_fmt); i++) { |
| q = av_small_strptime(p, date_fmt[i], &dt); |
| if (q) |
| break; |
| } |
| |
| /* if the year-month-day part is missing, then take the |
| * current year-month-day time */ |
| if (!q) { |
| today = 1; |
| q = p; |
| } |
| p = q; |
| |
| if (*p == 'T' || *p == 't') |
| p++; |
| else |
| while (av_isspace(*p)) |
| p++; |
| |
| /* parse the hour-minute-second part */ |
| for (i = 0; i < FF_ARRAY_ELEMS(time_fmt); i++) { |
| q = av_small_strptime(p, time_fmt[i], &dt); |
| if (q) |
| break; |
| } |
| } else { |
| /* parse timestr as a duration */ |
| if (p[0] == '-') { |
| negative = 1; |
| ++p; |
| } |
| /* parse timestr as HH:MM:SS */ |
| q = av_small_strptime(p, "%J:%M:%S", &dt); |
| if (!q) { |
| /* parse timestr as MM:SS */ |
| q = av_small_strptime(p, "%M:%S", &dt); |
| dt.tm_hour = 0; |
| } |
| if (!q) { |
| char *o; |
| /* parse timestr as S+ */ |
| dt.tm_sec = strtol(p, &o, 10); |
| if (o == p) /* the parsing didn't succeed */ |
| return AVERROR(EINVAL); |
| dt.tm_min = 0; |
| dt.tm_hour = 0; |
| q = o; |
| } |
| } |
| |
| /* Now we have all the fields that we can get */ |
| if (!q) |
| return AVERROR(EINVAL); |
| |
| /* parse the .m... part */ |
| if (*q == '.') { |
| int n; |
| q++; |
| for (n = 100000; n >= 1; n /= 10, q++) { |
| if (!av_isdigit(*q)) |
| break; |
| microseconds += n * (*q - '0'); |
| } |
| while (av_isdigit(*q)) |
| q++; |
| } |
| |
| if (duration) { |
| t = dt.tm_hour * 3600 + dt.tm_min * 60 + dt.tm_sec; |
| } else { |
| int is_utc = *q == 'Z' || *q == 'z'; |
| int tzoffset = 0; |
| q += is_utc; |
| if (!today && !is_utc && (*q == '+' || *q == '-')) { |
| struct tm tz = { 0 }; |
| int sign = (*q == '+' ? -1 : 1); |
| q++; |
| p = q; |
| for (i = 0; i < FF_ARRAY_ELEMS(tz_fmt); i++) { |
| q = av_small_strptime(p, tz_fmt[i], &tz); |
| if (q) |
| break; |
| } |
| if (!q) |
| return AVERROR(EINVAL); |
| tzoffset = sign * (tz.tm_hour * 60 + tz.tm_min) * 60; |
| is_utc = 1; |
| } |
| if (today) { /* fill in today's date */ |
| struct tm dt2 = is_utc ? *gmtime_r(&now, &tmbuf) : *localtime_r(&now, &tmbuf); |
| dt2.tm_hour = dt.tm_hour; |
| dt2.tm_min = dt.tm_min; |
| dt2.tm_sec = dt.tm_sec; |
| dt = dt2; |
| } |
| t = is_utc ? av_timegm(&dt) : mktime(&dt); |
| t += tzoffset; |
| } |
| |
| /* Check that we are at the end of the string */ |
| if (*q) |
| return AVERROR(EINVAL); |
| |
| t *= 1000000; |
| t += microseconds; |
| *timeval = negative ? -t : t; |
| return 0; |
| } |
| |
| int av_find_info_tag(char *arg, int arg_size, const char *tag1, const char *info) |
| { |
| const char *p; |
| char tag[128], *q; |
| |
| p = info; |
| if (*p == '?') |
| p++; |
| for(;;) { |
| q = tag; |
| while (*p != '\0' && *p != '=' && *p != '&') { |
| if ((q - tag) < sizeof(tag) - 1) |
| *q++ = *p; |
| p++; |
| } |
| *q = '\0'; |
| q = arg; |
| if (*p == '=') { |
| p++; |
| while (*p != '&' && *p != '\0') { |
| if ((q - arg) < arg_size - 1) { |
| if (*p == '+') |
| *q++ = ' '; |
| else |
| *q++ = *p; |
| } |
| p++; |
| } |
| } |
| *q = '\0'; |
| if (!strcmp(tag, tag1)) |
| return 1; |
| if (*p != '&') |
| break; |
| p++; |
| } |
| return 0; |
| } |
| |
| #ifdef TEST |
| |
| static uint32_t randomv = MKTAG('L','A','V','U'); |
| |
| static uint32_t av_get_random_seed_deterministic(void) |
| { |
| return randomv = randomv * 1664525 + 1013904223; |
| } |
| |
| int main(void) |
| { |
| printf("Testing av_parse_video_rate()\n"); |
| { |
| int i; |
| static const char *const rates[] = { |
| "-inf", |
| "inf", |
| "nan", |
| "123/0", |
| "-123 / 0", |
| "", |
| "/", |
| " 123 / 321", |
| "foo/foo", |
| "foo/1", |
| "1/foo", |
| "0/0", |
| "/0", |
| "1/", |
| "1", |
| "0", |
| "-123/123", |
| "-foo", |
| "123.23", |
| ".23", |
| "-.23", |
| "-0.234", |
| "-0.0000001", |
| " 21332.2324 ", |
| " -21332.2324 ", |
| }; |
| |
| for (i = 0; i < FF_ARRAY_ELEMS(rates); i++) { |
| int ret; |
| AVRational q = { 0, 0 }; |
| ret = av_parse_video_rate(&q, rates[i]); |
| printf("'%s' -> %d/%d %s\n", |
| rates[i], q.num, q.den, ret ? "ERROR" : "OK"); |
| } |
| } |
| |
| printf("\nTesting av_parse_color()\n"); |
| { |
| int i; |
| uint8_t rgba[4]; |
| static const char *const color_names[] = { |
| "bikeshed", |
| "RaNdOm", |
| "foo", |
| "red", |
| "Red ", |
| "RED", |
| "Violet", |
| "Yellow", |
| "Red", |
| "0x000000", |
| "0x0000000", |
| "0xff000000", |
| "0x3e34ff", |
| "0x3e34ffaa", |
| "0xffXXee", |
| "0xfoobar", |
| "0xffffeeeeeeee", |
| "#ff0000", |
| "#ffXX00", |
| "ff0000", |
| "ffXX00", |
| "red@foo", |
| "random@10", |
| "0xff0000@1.0", |
| "red@", |
| "red@0xfff", |
| "red@0xf", |
| "red@2", |
| "red@0.1", |
| "red@-1", |
| "red@0.5", |
| "red@1.0", |
| "red@256", |
| "red@10foo", |
| "red@-1.0", |
| "red@-0.0", |
| }; |
| |
| av_log_set_level(AV_LOG_DEBUG); |
| |
| for (i = 0; i < FF_ARRAY_ELEMS(color_names); i++) { |
| if (av_parse_color(rgba, color_names[i], -1, NULL) >= 0) |
| printf("%s -> R(%d) G(%d) B(%d) A(%d)\n", |
| color_names[i], rgba[0], rgba[1], rgba[2], rgba[3]); |
| else |
| printf("%s -> error\n", color_names[i]); |
| } |
| } |
| |
| printf("\nTesting av_small_strptime()\n"); |
| { |
| int i; |
| struct tm tm = { 0 }; |
| struct fmt_timespec_entry { |
| const char *fmt, *timespec; |
| } fmt_timespec_entries[] = { |
| { "%Y-%m-%d", "2012-12-21" }, |
| { "%Y - %m - %d", "2012-12-21" }, |
| { "%Y-%m-%d %H:%M:%S", "2012-12-21 20:12:21" }, |
| { " %Y - %m - %d %H : %M : %S", " 2012 - 12 - 21 20 : 12 : 21" }, |
| }; |
| |
| av_log_set_level(AV_LOG_DEBUG); |
| for (i = 0; i < FF_ARRAY_ELEMS(fmt_timespec_entries); i++) { |
| char *p; |
| struct fmt_timespec_entry *e = &fmt_timespec_entries[i]; |
| printf("fmt:'%s' spec:'%s' -> ", e->fmt, e->timespec); |
| p = av_small_strptime(e->timespec, e->fmt, &tm); |
| if (p) { |
| printf("%04d-%02d-%2d %02d:%02d:%02d\n", |
| 1900+tm.tm_year, tm.tm_mon+1, tm.tm_mday, |
| tm.tm_hour, tm.tm_min, tm.tm_sec); |
| } else { |
| printf("error\n"); |
| } |
| } |
| } |
| |
| printf("\nTesting av_parse_time()\n"); |
| { |
| int i; |
| int64_t tv; |
| time_t tvi; |
| struct tm *tm; |
| static char tzstr[] = "TZ=CET-1"; |
| static const char * const time_string[] = { |
| "now", |
| "12:35:46", |
| "2000-12-20 0:02:47.5z", |
| "2012 - 02-22 17:44:07", |
| "2000-12-20T010247.6", |
| "2000-12-12 1:35:46+05:30", |
| "2002-12-12 22:30:40-02", |
| }; |
| static const char * const duration_string[] = { |
| "2:34:56.79", |
| "-1:23:45.67", |
| "42.1729", |
| "-1729.42", |
| "12:34", |
| }; |
| |
| av_log_set_level(AV_LOG_DEBUG); |
| putenv(tzstr); |
| printf("(now is 2012-03-17 09:14:13.2 +0100, local time is UTC+1)\n"); |
| for (i = 0; i < FF_ARRAY_ELEMS(time_string); i++) { |
| printf("%-24s -> ", time_string[i]); |
| if (av_parse_time(&tv, time_string[i], 0)) { |
| printf("error\n"); |
| } else { |
| tvi = tv / 1000000; |
| tm = gmtime(&tvi); |
| printf("%14"PRIi64".%06d = %04d-%02d-%02dT%02d:%02d:%02dZ\n", |
| tv / 1000000, (int)(tv % 1000000), |
| tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, |
| tm->tm_hour, tm->tm_min, tm->tm_sec); |
| } |
| } |
| for (i = 0; i < FF_ARRAY_ELEMS(duration_string); i++) { |
| printf("%-24s -> ", duration_string[i]); |
| if (av_parse_time(&tv, duration_string[i], 1)) { |
| printf("error\n"); |
| } else { |
| printf("%+21"PRIi64"\n", tv); |
| } |
| } |
| } |
| |
| return 0; |
| } |
| |
| #endif /* TEST */ |
