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Diffstat (limited to 'ffmpeg1/libavutil/parseutils.c')
| -rw-r--r-- | ffmpeg1/libavutil/parseutils.c | 870 |
1 files changed, 0 insertions, 870 deletions
diff --git a/ffmpeg1/libavutil/parseutils.c b/ffmpeg1/libavutil/parseutils.c deleted file mode 100644 index f2f8f18..0000000 --- a/ffmpeg1/libavutil/parseutils.c +++ /dev/null @@ -1,870 +0,0 @@ -/* - * 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 "parseutils.h" - -#ifdef TEST - -#define av_get_random_seed av_get_random_seed_deterministic -static uint32_t av_get_random_seed_deterministic(void); - -#define time(t) 1331972053 - -#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 { - const char *abbr; - int width, height; -} VideoSizeAbbr; - -typedef struct { - 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 */ - { "2kflat", 1998,1080 }, - { "2kscope", 2048, 858 }, - { "4k", 4096,2160 }, /* Digital Cinema System Specification */ - { "4kflat", 3996,2160 }, - { "4kscope", 4096,1716 }, -}; - -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 { - 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; -} - -/* 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; - - for(;;) { - /* consume time string until a non whitespace char is found */ - while (av_isspace(*fmt)) { - while (av_isspace(*p)) - p++; - fmt++; - } - c = *fmt++; - if (c == '\0') { - return (char *)p; - } else if (c == '%') { - 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 '%': - goto match; - default: - return NULL; - } - } else { - match: - if (c != *p) - return NULL; - 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; - time_t now; - struct tm dt = { 0 }; - 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", - }; - - p = timestr; - q = NULL; - *timeval = INT64_MIN; - if (!duration) { - now = time(0); - - if (!av_strcasecmp(timestr, "now")) { - *timeval = (int64_t) now * 1000000; - 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 == ' ') - 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) { - /* parse timestr as S+ */ - dt.tm_sec = strtol(p, (void *)&q, 10); - if (q == p) /* the parsing didn't succeed */ - return AVERROR(EINVAL); - dt.tm_min = 0; - dt.tm_hour = 0; - } - } - - /* 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'; - q += is_utc; - if (today) { /* fill in today's date */ - struct tm dt2 = is_utc ? *gmtime(&now) : *localtime(&now); - 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); - } - - /* 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"; - const char *time_string[] = { - "now", - "12:35:46", - "2000-12-20 0:02:47.5z", - "2000-12-20T010247.6", - }; - const char *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 +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 */ |