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FFmpeg/libavutil/parseutils.c
Michael Niedermayer d552f616a2 Merge remote-tracking branch 'qatar/master' 
* qatar/master: (28 commits)
  Remove some non-compiling debug messages.
  ffplay: Fix non-compiling debug printf and replace it by av_dlog.
  H264: x86 predict init cosmetics.
  ac3enc: Fix linking of AC-3 encoder without the E-AC-3 encoder.
  Move E-AC-3 encoder functions to a separate eac3enc.c file.
  ac3enc: remove convenience macro, #define DEBUG
  ac3enc: remove unused #define
  vc1: re-initialize tables after width/height change.
  APIchanges: fill-in git commit hash for av_get_bytes_per_sample() addition
  samplefmt: add av_get_bytes_per_sample()
  iirfilter: fix biquad filter coefficients.
  swscale: remove duplicate conversion routine in swScale().
  swscale: add yuv2planar/packed function typedefs.
  swscale: integrate yuv2nv12X_C into yuv2yuvX() function pointers.
  swscale: reindent x86 init code.
  swscale: extract SWS_FULL_CHR_H_INT conditional into init code.
  swscale: cosmetics.
  swscale: remove alp/chr/lumSrcOffset.
  swscale: un-special-case yuv2yuvX16_c().
  shorten: Remove stray DEBUG #define and corresponding av_dlog statement.
  ...

Conflicts:
	doc/APIchanges
	libavcodec/ac3enc.c
	libavutil/avutil.h
	libavutil/samplefmt.c
	libswscale/swscale.c
	libswscale/swscale_internal.h
	libswscale/x86/swscale_template.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-06-08 05:25:28 +02:00

752 lines
23 KiB
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/*
* 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 <strings.h>
#include <sys/time.h>
#include <time.h>
#include "avstring.h"
#include "avutil.h"
#include "eval.h"
#include "random_seed.h"
#include "parseutils.h"
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 },
};
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);
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) {
p = str;
width = strtol(p, &p, 10);
if (*p)
p++;
height = strtol(p, &p, 10);
}
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);
double res;
/* 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_expr_parse_and_eval(&res, arg, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, 0, NULL)) < 0)
return ret;
*rate = av_d2q(res, 1001000);
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 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 } },
{ "LightGrey", { 0xD3, 0xD3, 0xD3 } },
{ "LightGreen", { 0x90, 0xEE, 0x90 } },
{ "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 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 (!strcasecmp(color_string2, "random") || !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) {
unsigned long int alpha;
const char *alpha_string = tail;
if (!strncmp(alpha_string, "0x", 2)) {
alpha = strtoul(alpha_string, &tail, 16);
} else {
alpha = 255 * strtod(alpha_string, &tail);
}
if (tail == alpha_string || *tail || alpha > 255) {
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 (!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;
}
/* small strptime for ffmpeg */
static
const char *small_strptime(const char *p, const char *fmt,
struct tm *dt)
{
int c, val;
for(;;) {
c = *fmt++;
if (c == '\0') {
return p;
} else if (c == '%') {
c = *fmt++;
switch(c) {
case 'H':
val = date_get_num(&p, 0, 23, 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++;
}
}
return p;
}
static time_t mktimegm(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 = 86400 *
(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 *datestr, int duration)
{
const char *p;
int64_t t;
struct tm dt;
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",
};
const char *q;
int is_utc, len;
char lastch;
int negative = 0;
#undef time
time_t now = time(0);
len = strlen(datestr);
if (len > 0)
lastch = datestr[len - 1];
else
lastch = '\0';
is_utc = (lastch == 'z' || lastch == 'Z');
memset(&dt, 0, sizeof(dt));
p = datestr;
q = NULL;
if (!duration) {
if (!strncasecmp(datestr, "now", len)) {
*timeval = (int64_t) now * 1000000;
return 0;
}
/* parse the year-month-day part */
for (i = 0; i < FF_ARRAY_ELEMS(date_fmt); i++) {
q = 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) {
if (is_utc) {
dt = *gmtime(&now);
} else {
dt = *localtime(&now);
}
dt.tm_hour = dt.tm_min = dt.tm_sec = 0;
} else {
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 = small_strptime(p, time_fmt[i], &dt);
if (q) {
break;
}
}
} else {
/* parse datestr as a duration */
if (p[0] == '-') {
negative = 1;
++p;
}
/* parse datestr as HH:MM:SS */
q = small_strptime(p, time_fmt[0], &dt);
if (!q) {
/* parse datestr as S+ */
dt.tm_sec = strtol(p, (char **)&q, 10);
if (q == p) {
/* the parsing didn't succeed */
*timeval = INT64_MIN;
return AVERROR(EINVAL);
}
dt.tm_min = 0;
dt.tm_hour = 0;
}
}
/* Now we have all the fields that we can get */
if (!q) {
*timeval = INT64_MIN;
return AVERROR(EINVAL);
}
if (duration) {
t = dt.tm_hour * 3600 + dt.tm_min * 60 + dt.tm_sec;
} else {
dt.tm_isdst = -1; /* unknown */
if (is_utc) {
t = mktimegm(&dt);
} else {
t = mktime(&dt);
}
}
t *= 1000000;
/* parse the .m... part */
if (*q == '.') {
int val, n;
q++;
for (val = 0, n = 100000; n >= 1; n /= 10, q++) {
if (!isdigit(*q))
break;
val += n * (*q - '0');
}
t += val;
}
*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
#undef printf
int main(void)
{
printf("Testing av_parse_video_rate()\n");
{
int i;
const char *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 = (AVRational){0, 0};
ret = av_parse_video_rate(&q, rates[i]),
printf("'%s' -> %d/%d ret:%d\n",
rates[i], q.num, q.den, ret);
}
}
printf("\nTesting av_parse_color()\n");
{
int i;
uint8_t rgba[4];
const char *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]);
}
}
return 0;
}
#endif /* TEST */
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