simpler strptime - added os_support.[ch] - moved localtime_r to os_support.c

Originally committed as revision 2228 to svn://svn.ffmpeg.org/ffmpeg/trunk

10 files changed, 212 insertions, 1152 deletions

diff --git a/libavformat/Makefile b/libavformat/Makefile
index 021f0bf013..ae35034854 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -8,7 +8,7 @@ VPATH=$(SRC_PATH)/libavformat
 
 CFLAGS= $(OPTFLAGS) -Wall -g -I.. -I$(SRC_PATH) -I$(SRC_PATH)/libavcodec -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE
 
-OBJS= utils.o cutils.o allformats.o
+OBJS= utils.o cutils.o os_support.o allformats.o
 PPOBJS=
 
 # mux and demuxes
@@ -31,14 +31,6 @@ OBJS+= pnm.o yuv.o png.o jpeg.o gifdec.o
 OBJS+= avio.o aviobuf.o file.o 
 OBJS+= framehook.o 
 
-ifeq ($(BUILD_STRPTIME),yes)
-OBJS+= strptime.o
-endif
-
-ifeq ($(BUILD_LOCALTIME_R),yes)
-OBJS+= localtime_r.o
-endif
-
 ifeq ($(CONFIG_VIDEO4LINUX),yes)
 OBJS+= grab.o
 endif
diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 6abd9b4d7b..7a7f031e6c 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -12,6 +12,8 @@ extern "C" {
 
 #define LIBAVFORMAT_IDENT	"FFmpeg" LIBAVFORMAT_VERSION "b" LIBAVFORMAT_BUILD_STR
 
+#include <time.h>
+
 #include "avcodec.h"
 
 #include "avio.h"
@@ -487,6 +489,9 @@ int audio_init(void);
 int dv1394_init(void);
 
 #ifdef HAVE_AV_CONFIG_H
+
+#include "os_support.h"
+
 int strstart(const char *str, const char *val, const char **ptr);
 int stristart(const char *str, const char *val, const char **ptr);
 void pstrcpy(char *buf, int buf_size, const char *str);
@@ -502,6 +507,10 @@ do {\
     __dynarray_add((unsigned long **)_tab, nb_ptr, (unsigned long)_elem);\
 } while(0)
 
+time_t mktimegm(struct tm *tm);
+const char *small_strptime(const char *p, const char *fmt, 
+                           struct tm *dt);
+
 struct in_addr;
 int resolve_host(struct in_addr *sin_addr, const char *hostname);
 
diff --git a/libavformat/cutils.c b/libavformat/cutils.c
index 74d66e5618..c31e5b5c17 100644
--- a/libavformat/cutils.c
+++ b/libavformat/cutils.c
@@ -128,3 +128,112 @@ void __dynarray_add(unsigned long **tab_ptr, int *nb_ptr, unsigned long elem)
     *nb_ptr = nb;
 }
 
+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;
+}
+
+/* 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 */
+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;
+}
+
diff --git a/libavformat/localtime_r.c b/libavformat/localtime_r.c
deleted file mode 100644
index 1b619a4326..0000000000
--- a/libavformat/localtime_r.c
+++ /dev/null
@@ -1,43 +0,0 @@
-/* Convert a string representation of time to a time value.
-   Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "localtime_r.h"
-
-#if !defined(HAVE_LOCALTIME_R)
-/* Approximate localtime_r as best we can in its absence.  */
-#include <time.h>
-
-struct tm *
-localtime_r (t, tp)
-     const time_t *t;
-     struct tm *tp;
-{
-  struct tm *l = localtime (t);
-  if (! l)
-    return 0;
-  *tp = *l;
-  return tp;
-}
-#endif /* !defined(HAVE_LOCALTIME_R) */
-
diff --git a/libavformat/localtime_r.h b/libavformat/localtime_r.h
deleted file mode 100644
index 3dddb1f6a5..0000000000
--- a/libavformat/localtime_r.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/* Convert a string representation of time to a time value.
-   Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#ifndef __LOCALTIME_R_H__
-#define __LOCALTIME_R_H__
-
-/*
- * Version of "localtime_r()", for the benefit of OSes that don't have it.
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#if !defined(HAVE_LOCALTIME_R)
-#include <time.h>
-/* Approximate localtime_r as best we can in its absence.  */
-# define localtime_r my_localtime_r
-extern struct tm *localtime_r(const time_t *, struct tm *);
-#endif
-
-#endif
diff --git a/libavformat/os_support.c b/libavformat/os_support.c
new file mode 100644
index 0000000000..4cdfcea469
--- /dev/null
+++ b/libavformat/os_support.c
@@ -0,0 +1,57 @@
+/*
+ * Various utilities for ffmpeg system
+ * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
+ *
+ * This library 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 of the License, or (at your option) any later version.
+ *
+ * This library 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 this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#include "avformat.h"
+#ifdef CONFIG_WIN32
+#include <sys/types.h>
+#include <sys/timeb.h>
+#elif defined(CONFIG_OS2)
+#include <string.h>
+#include <sys/time.h>
+#else
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/time.h>
+#endif
+#include <time.h>
+
+int64_t av_gettime(void)
+{
+#ifdef CONFIG_WIN32
+    struct _timeb tb;
+    _ftime(&tb);
+    return ((int64_t)tb.time * int64_t_C(1000) + (int64_t)tb.millitm) * int64_t_C(1000);
+#else
+    struct timeval tv;
+    gettimeofday(&tv,NULL);
+    return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
+#endif
+}
+
+#if !defined(HAVE_LOCALTIME_R)
+struct tm *localtime_r(const time_t *t, struct tm *tp)
+{
+    struct tm *l;
+    
+    l = localtime(t);
+    if (!l)
+        return 0;
+    *tp = *l;
+    return tp;
+}
+#endif /* !defined(HAVE_LOCALTIME_R) */
diff --git a/libavformat/os_support.h b/libavformat/os_support.h
new file mode 100644
index 0000000000..8a9b95eff1
--- /dev/null
+++ b/libavformat/os_support.h
@@ -0,0 +1,33 @@
+#ifndef _OS_SUPPORT_H
+#define _OS_SUPPORT_H
+
+/**
+ * @file os_support.h
+ * miscellaneous OS support macros and functions.
+ *
+ * - usleep() (Win32, BeOS, OS/2)
+ * - floatf() (OS/2)
+ * - strcasecmp() (OS/2)
+ */
+
+#ifdef __MINGW32__
+#  undef DATADIR /* clashes with /usr/include/w32api/objidl.h */
+__declspec(dllimport) void __stdcall Sleep(unsigned long dwMilliseconds);
+// #  include <windows.h>
+#  define usleep(t)    Sleep((t) / 1000)
+#endif
+
+#ifdef __BEOS__
+#  ifndef usleep
+#    include <OS.h>
+#    define usleep(t)  snooze((bigtime_t)(t))
+#  endif
+#endif
+
+#if defined(CONFIG_OS2)
+#include <stdlib.h>
+static inline int usleep(unsigned int t) { return _sleep2(t / 1000); }
+static inline int strcasecmp(const char* s1, const char* s2) { return stricmp(s1,s2); }
+#endif
+
+#endif /* _OS_SUPPORT_H */
diff --git a/libavformat/strptime.c b/libavformat/strptime.c
deleted file mode 100644
index 45645384ba..0000000000
--- a/libavformat/strptime.c
+++ /dev/null
@@ -1,983 +0,0 @@
-/* Convert a string representation of time to a time value.
-   Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-/* XXX This version of the implementation is not really complete.
-   Some of the fields cannot add information alone.  But if seeing
-   some of them in the same format (such as year, week and weekday)
-   this is enough information for determining the date.  */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <ctype.h>
-#include <limits.h>
-#include <string.h>
-#include <time.h>
-
-#ifdef _LIBC
-# include "../locale/localeinfo.h"
-#endif
-
-#include "strptime.h"
-#include "localtime_r.h"
-
-#ifndef __P
-# if defined (__GNUC__) || (defined (__STDC__) && __STDC__)
-#  define __P(args) args
-# else
-#  define __P(args) ()
-# endif  /* GCC.  */
-#endif  /* Not __P.  */
-
-#define match_char(ch1, ch2) if (ch1 != ch2) return NULL
-#if defined __GNUC__ && __GNUC__ >= 2
-# define match_string(cs1, s2) \
-  ({ size_t len = strlen (cs1);						      \
-     int result = strncasecmp ((cs1), (s2), len) == 0;			      \
-     if (result) (s2) += len;						      \
-     result; })
-#else
-/* Oh come on.  Get a reasonable compiler.  */
-# define match_string(cs1, s2) \
-  (strncasecmp ((cs1), (s2), strlen (cs1)) ? 0 : ((s2) += strlen (cs1), 1))
-#endif
-/* We intentionally do not use isdigit() for testing because this will
-   lead to problems with the wide character version.  */
-#define get_number(from, to, n) \
-  do {									      \
-    int __n = n;							      \
-    val = 0;								      \
-    while (*rp == ' ')							      \
-      ++rp;								      \
-    if (*rp < '0' || *rp > '9')						      \
-      return NULL;							      \
-    do {								      \
-      val *= 10;							      \
-      val += *rp++ - '0';						      \
-    } while (--__n > 0 && val * 10 <= to && *rp >= '0' && *rp <= '9');	      \
-    if (val < from || val > to)						      \
-      return NULL;							      \
-  } while (0)
-#ifdef _NL_CURRENT
-# define get_alt_number(from, to, n) \
-  ({									      \
-    __label__ do_normal;						      \
-    if (*decided != raw)						      \
-      {									      \
-	const char *alts = _NL_CURRENT (LC_TIME, ALT_DIGITS);		      \
-	int __n = n;							      \
-	int any = 0;							      \
-	while (*rp == ' ')						      \
-	  ++rp;								      \
-	val = 0;							      \
-	do {								      \
-	  val *= 10;							      \
-	  while (*alts != '\0')						      \
-	    {								      \
-	      size_t len = strlen (alts);				      \
-	      if (strncasecmp (alts, rp, len) == 0)			      \
-	        break;							      \
-	      alts += len + 1;						      \
-	      ++val;							      \
-	    }								      \
-	  if (*alts == '\0')						      \
-	    {								      \
-	      if (*decided == not && ! any)				      \
-		goto do_normal;						      \
-	      /* If we haven't read anything it's an error.  */		      \
-	      if (! any)						      \
-		return NULL;						      \
-	      /* Correct the premature multiplication.  */		      \
-	      val /= 10;						      \
-	      break;							      \
-	    }								      \
-	  else								      \
-	    *decided = loc;						      \
-	} while (--__n > 0 && val * 10 <= to);				      \
-	if (val < from || val > to)					      \
-	  return NULL;							      \
-      }									      \
-    else								      \
-      {									      \
-       do_normal:							      \
-        get_number (from, to, n);					      \
-      }									      \
-    0;									      \
-  })
-#else
-# define get_alt_number(from, to, n) \
-  /* We don't have the alternate representation.  */			      \
-  get_number(from, to, n)
-#endif
-#define recursive(new_fmt) \
-  (*(new_fmt) != '\0'							      \
-   && (rp = strptime_internal (rp, (new_fmt), tm, decided, era_cnt)) != NULL)
-
-
-#ifdef _LIBC
-/* This is defined in locale/C-time.c in the GNU libc.  */
-extern const struct locale_data _nl_C_LC_TIME;
-extern const unsigned short int __mon_yday[2][13];
-
-# define weekday_name (&_nl_C_LC_TIME.values[_NL_ITEM_INDEX (DAY_1)].string)
-# define ab_weekday_name \
-  (&_nl_C_LC_TIME.values[_NL_ITEM_INDEX (ABDAY_1)].string)
-# define month_name (&_nl_C_LC_TIME.values[_NL_ITEM_INDEX (MON_1)].string)
-# define ab_month_name (&_nl_C_LC_TIME.values[_NL_ITEM_INDEX (ABMON_1)].string)
-# define HERE_D_T_FMT (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (D_T_FMT)].string)
-# define HERE_D_FMT (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (D_FMT)].string)
-# define HERE_AM_STR (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (AM_STR)].string)
-# define HERE_PM_STR (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (PM_STR)].string)
-# define HERE_T_FMT_AMPM \
-  (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (T_FMT_AMPM)].string)
-# define HERE_T_FMT (_nl_C_LC_TIME.values[_NL_ITEM_INDEX (T_FMT)].string)
-
-# define strncasecmp(s1, s2, n) __strncasecmp (s1, s2, n)
-#else
-static char const weekday_name[][10] =
-  {
-    "Sunday", "Monday", "Tuesday", "Wednesday",
-    "Thursday", "Friday", "Saturday"
-  };
-static char const ab_weekday_name[][4] =
-  {
-    "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
-  };
-static char const month_name[][10] =
-  {
-    "January", "February", "March", "April", "May", "June",
-    "July", "August", "September", "October", "November", "December"
-  };
-static char const ab_month_name[][4] =
-  {
-    "Jan", "Feb", "Mar", "Apr", "May", "Jun",
-    "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
-  };
-# define HERE_D_T_FMT "%a %b %e %H:%M:%S %Y"
-# define HERE_D_FMT "%m/%d/%y"
-# define HERE_AM_STR "AM"
-# define HERE_PM_STR "PM"
-# define HERE_T_FMT_AMPM "%I:%M:%S %p"
-# define HERE_T_FMT "%H:%M:%S"
-
-const unsigned short int __mon_yday[2][13] =
-  {
-    /* Normal years.  */
-    { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
-    /* Leap years.  */
-    { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
-  };
-#endif
-
-/* Status of lookup: do we use the locale data or the raw data?  */
-enum locale_status { not, loc, raw };
-
-
-#ifndef __isleap
-/* Nonzero if YEAR is a leap year (every 4 years,
-   except every 100th isn't, and every 400th is).  */
-# define __isleap(year)	\
-  ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0))
-#endif
-
-/* Compute the day of the week.  */
-static void
-day_of_the_week (struct tm *tm)
-{
-  /* We know that January 1st 1970 was a Thursday (= 4).  Compute the
-     the difference between this data in the one on TM and so determine
-     the weekday.  */
-  int corr_year = 1900 + tm->tm_year - (tm->tm_mon < 2);
-  int wday = (-473
-	      + (365 * (tm->tm_year - 70))
-	      + (corr_year / 4)
-	      - ((corr_year / 4) / 25) + ((corr_year / 4) % 25 < 0)
-	      + (((corr_year / 4) / 25) / 4)
-	      + __mon_yday[0][tm->tm_mon]
-	      + tm->tm_mday - 1);
-  tm->tm_wday = ((wday % 7) + 7) % 7;
-}
-
-/* Compute the day of the year.  */
-static void
-day_of_the_year (struct tm *tm)
-{
-  tm->tm_yday = (__mon_yday[__isleap (1900 + tm->tm_year)][tm->tm_mon]
-		 + (tm->tm_mday - 1));
-}
-
-static char *
-#ifdef _LIBC
-internal_function
-#endif
-strptime_internal __P ((const char *rp, const char *fmt, struct tm *tm,
-			enum locale_status *decided, int era_cnt));
-
-static char *
-#ifdef _LIBC
-internal_function
-#endif
-strptime_internal (rp, fmt, tm, decided, era_cnt)
-     const char *rp;
-     const char *fmt;
-     struct tm *tm;
-     enum locale_status *decided;
-     int era_cnt;
-{
-  const char *rp_backup;
-  int cnt;
-  size_t val;
-  int have_I, is_pm;
-  int century, want_century;
-  int want_era;
-  int have_wday, want_xday;
-  int have_yday;
-  int have_mon, have_mday;
-#ifdef _NL_CURRENT
-  size_t num_eras;
-#endif
-  struct era_entry *era;
-
-  have_I = is_pm = 0;
-  century = -1;
-  want_century = 0;
-  want_era = 0;
-  era = NULL;
-
-  have_wday = want_xday = have_yday = have_mon = have_mday = 0;
-
-  while (*fmt != '\0')
-    {
-      /* A white space in the format string matches 0 more or white
-	 space in the input string.  */
-      if (isspace (*fmt))
-	{
-	  while (isspace (*rp))
-	    ++rp;
-	  ++fmt;
-	  continue;
-	}
-
-      /* Any character but `%' must be matched by the same character
-	 in the iput string.  */
-      if (*fmt != '%')
-	{
-	  match_char (*fmt++, *rp++);
-	  continue;
-	}
-
-      ++fmt;
-#ifndef _NL_CURRENT
-      /* We need this for handling the `E' modifier.  */
-    start_over:
-#endif
-
-      /* Make back up of current processing pointer.  */
-      rp_backup = rp;
-
-      switch (*fmt++)
-	{
-	case '%':
-	  /* Match the `%' character itself.  */
-	  match_char ('%', *rp++);
-	  break;
-	case 'a':
-	case 'A':
-	  /* Match day of week.  */
-	  for (cnt = 0; cnt < 7; ++cnt)
-	    {
-#ifdef _NL_CURRENT
-	      if (*decided !=raw)
-		{
-		  if (match_string (_NL_CURRENT (LC_TIME, DAY_1 + cnt), rp))
-		    {
-		      if (*decided == not
-			  && strcmp (_NL_CURRENT (LC_TIME, DAY_1 + cnt),
-				     weekday_name[cnt]))
-			*decided = loc;
-		      break;
-		    }
-		  if (match_string (_NL_CURRENT (LC_TIME, ABDAY_1 + cnt), rp))
-		    {
-		      if (*decided == not
-			  && strcmp (_NL_CURRENT (LC_TIME, ABDAY_1 + cnt),
-				     ab_weekday_name[cnt]))
-			*decided = loc;
-		      break;
-		    }
-		}
-#endif
-	      if (*decided != loc
-		  && (match_string (weekday_name[cnt], rp)
-		      || match_string (ab_weekday_name[cnt], rp)))
-		{
-		  *decided = raw;
-		  break;
-		}
-	    }
-	  if (cnt == 7)
-	    /* Does not match a weekday name.  */
-	    return NULL;
-	  tm->tm_wday = cnt;
-	  have_wday = 1;
-	  break;
-	case 'b':
-	case 'B':
-	case 'h':
-	  /* Match month name.  */
-	  for (cnt = 0; cnt < 12; ++cnt)
-	    {
-#ifdef _NL_CURRENT
-	      if (*decided !=raw)
-		{
-		  if (match_string (_NL_CURRENT (LC_TIME, MON_1 + cnt), rp))
-		    {
-		      if (*decided == not
-			  && strcmp (_NL_CURRENT (LC_TIME, MON_1 + cnt),
-				     month_name[cnt]))
-			*decided = loc;
-		      break;
-		    }
-		  if (match_string (_NL_CURRENT (LC_TIME, ABMON_1 + cnt), rp))
-		    {
-		      if (*decided == not
-			  && strcmp (_NL_CURRENT (LC_TIME, ABMON_1 + cnt),
-				     ab_month_name[cnt]))
-			*decided = loc;
-		      break;
-		    }
-		}
-#endif
-	      if (match_string (month_name[cnt], rp)
-		  || match_string (ab_month_name[cnt], rp))
-		{
-		  *decided = raw;
-		  break;
-		}
-	    }
-	  if (cnt == 12)
-	    /* Does not match a month name.  */
-	    return NULL;
-	  tm->tm_mon = cnt;
-	  want_xday = 1;
-	  break;
-	case 'c':
-	  /* Match locale's date and time format.  */
-#ifdef _NL_CURRENT
-	  if (*decided != raw)
-	    {
-	      if (!recursive (_NL_CURRENT (LC_TIME, D_T_FMT)))
-		{
-		  if (*decided == loc)
-		    return NULL;
-		  else
-		    rp = rp_backup;
-		}
-	      else
-		{
-		  if (*decided == not &&
-		      strcmp (_NL_CURRENT (LC_TIME, D_T_FMT), HERE_D_T_FMT))
-		    *decided = loc;
-		  want_xday = 1;
-		  break;
-		}
-	      *decided = raw;
-	    }
-#endif
-	  if (!recursive (HERE_D_T_FMT))
-	    return NULL;
-	  want_xday = 1;
-	  break;
-	case 'C':
-	  /* Match century number.  */
-#ifdef _NL_CURRENT
-	match_century:
-#endif
-	  get_number (0, 99, 2);
-	  century = val;
-	  want_xday = 1;
-	  break;
-	case 'd':
-	case 'e':
-	  /* Match day of month.  */
-	  get_number (1, 31, 2);
-	  tm->tm_mday = val;
-	  have_mday = 1;
-	  want_xday = 1;
-	  break;
-	case 'F':
-	  if (!recursive ("%Y-%m-%d"))
-	    return NULL;
-	  want_xday = 1;
-	  break;
-	case 'x':
-#ifdef _NL_CURRENT
-	  if (*decided != raw)
-	    {
-	      if (!recursive (_NL_CURRENT (LC_TIME, D_FMT)))
-		{
-		  if (*decided == loc)
-		    return NULL;
-		  else
-		    rp = rp_backup;
-		}
-	      else
-		{
-		  if (*decided == not
-		      && strcmp (_NL_CURRENT (LC_TIME, D_FMT), HERE_D_FMT))
-		    *decided = loc;
-		  want_xday = 1;
-		  break;
-		}
-	      *decided = raw;
-	    }
-#endif
-	  /* Fall through.  */
-	case 'D':
-	  /* Match standard day format.  */
-	  if (!recursive (HERE_D_FMT))
-	    return NULL;
-	  want_xday = 1;
-	  break;
-	case 'k':
-	case 'H':
-	  /* Match hour in 24-hour clock.  */
-	  get_number (0, 23, 2);
-	  tm->tm_hour = val;
-	  have_I = 0;
-	  break;
-	case 'I':
-	  /* Match hour in 12-hour clock.  */
-	  get_number (1, 12, 2);
-	  tm->tm_hour = val % 12;
-	  have_I = 1;
-	  break;
-	case 'j':
-	  /* Match day number of year.  */
-	  get_number (1, 366, 3);
-	  tm->tm_yday = val - 1;
-	  have_yday = 1;
-	  break;
-	case 'm':
-	  /* Match number of month.  */
-	  get_number (1, 12, 2);
-	  tm->tm_mon = val - 1;
-	  have_mon = 1;
-	  want_xday = 1;
-	  break;
-	case 'M':
-	  /* Match minute.  */
-	  get_number (0, 59, 2);
-	  tm->tm_min = val;
-	  break;
-	case 'n':
-	case 't':
-	  /* Match any white space.  */
-	  while (isspace (*rp))
-	    ++rp;
-	  break;
-	case 'p':
-	  /* Match locale's equivalent of AM/PM.  */
-#ifdef _NL_CURRENT
-	  if (*decided != raw)
-	    {
-	      if (match_string (_NL_CURRENT (LC_TIME, AM_STR), rp))
-		{
-		  if (strcmp (_NL_CURRENT (LC_TIME, AM_STR), HERE_AM_STR))
-		    *decided = loc;
-		  break;
-		}
-	      if (match_string (_NL_CURRENT (LC_TIME, PM_STR), rp))
-		{
-		  if (strcmp (_NL_CURRENT (LC_TIME, PM_STR), HERE_PM_STR))
-		    *decided = loc;
-		  is_pm = 1;
-		  break;
-		}
-	      *decided = raw;
-	    }
-#endif
-	  if (!match_string (HERE_AM_STR, rp))
-	    if (match_string (HERE_PM_STR, rp))
-	      is_pm = 1;
-	    else
-	      return NULL;
-	  break;
-	case 'r':
-#ifdef _NL_CURRENT
-	  if (*decided != raw)
-	    {
-	      if (!recursive (_NL_CURRENT (LC_TIME, T_FMT_AMPM)))
-		{
-		  if (*decided == loc)
-		    return NULL;
-		  else
-		    rp = rp_backup;
-		}
-	      else
-		{
-		  if (*decided == not &&
-		      strcmp (_NL_CURRENT (LC_TIME, T_FMT_AMPM),
-			      HERE_T_FMT_AMPM))
-		    *decided = loc;
-		  break;
-		}
-	      *decided = raw;
-	    }
-#endif
-	  if (!recursive (HERE_T_FMT_AMPM))
-	    return NULL;
-	  break;
-	case 'R':
-	  if (!recursive ("%H:%M"))
-	    return NULL;
-	  break;
-	case 's':
-	  {
-	    /* The number of seconds may be very high so we cannot use
-	       the `get_number' macro.  Instead read the number
-	       character for character and construct the result while
-	       doing this.  */
-	    time_t secs = 0;
-	    if (*rp < '0' || *rp > '9')
-	      /* We need at least one digit.  */
-	      return NULL;
-
-	    do
-	      {
-		secs *= 10;
-		secs += *rp++ - '0';
-	      }
-	    while (*rp >= '0' && *rp <= '9');
-
-	    if (localtime_r (&secs, tm) == NULL)
-	      /* Error in function.  */
-	      return NULL;
-	  }
-	  break;
-	case 'S':
-	  get_number (0, 61, 2);
-	  tm->tm_sec = val;
-	  break;
-	case 'X':
-#ifdef _NL_CURRENT
-	  if (*decided != raw)
-	    {
-	      if (!recursive (_NL_CURRENT (LC_TIME, T_FMT)))
-		{
-		  if (*decided == loc)
-		    return NULL;
-		  else
-		    rp = rp_backup;
-		}
-	      else
-		{
-		  if (strcmp (_NL_CURRENT (LC_TIME, T_FMT), HERE_T_FMT))
-		    *decided = loc;
-		  break;
-		}
-	      *decided = raw;
-	    }
-#endif
-	  /* Fall through.  */
-	case 'T':
-	  if (!recursive (HERE_T_FMT))
-	    return NULL;
-	  break;
-	case 'u':
-	  get_number (1, 7, 1);
-	  tm->tm_wday = val % 7;
-	  have_wday = 1;
-	  break;
-	case 'g':
-	  get_number (0, 99, 2);
-	  /* XXX This cannot determine any field in TM.  */
-	  break;
-	case 'G':
-	  if (*rp < '0' || *rp > '9')
-	    return NULL;
-	  /* XXX Ignore the number since we would need some more
-	     information to compute a real date.  */
-	  do
-	    ++rp;
-	  while (*rp >= '0' && *rp <= '9');
-	  break;
-	case 'U':
-	case 'V':
-	case 'W':
-	  get_number (0, 53, 2);
-	  /* XXX This cannot determine any field in TM without some
-	     information.  */
-	  break;
-	case 'w':
-	  /* Match number of weekday.  */
-	  get_number (0, 6, 1);
-	  tm->tm_wday = val;
-	  have_wday = 1;
-	  break;
-	case 'y':
-#ifdef _NL_CURRENT
-	match_year_in_century:
-#endif
-	  /* Match year within century.  */
-	  get_number (0, 99, 2);
-	  /* The "Year 2000: The Millennium Rollover" paper suggests that
-	     values in the range 69-99 refer to the twentieth century.  */
-	  tm->tm_year = val >= 69 ? val : val + 100;
-	  /* Indicate that we want to use the century, if specified.  */
-	  want_century = 1;
-	  want_xday = 1;
-	  break;
-	case 'Y':
-	  /* Match year including century number.  */
-	  get_number (0, 9999, 4);
-	  tm->tm_year = val - 1900;
-	  want_century = 0;
-	  want_xday = 1;
-	  break;
-	case 'Z':
-	  /* XXX How to handle this?  */
-	  break;
-	case 'E':
-#ifdef _NL_CURRENT
-	  switch (*fmt++)
-	    {
-	    case 'c':
-	      /* Match locale's alternate date and time format.  */
-	      if (*decided != raw)
-		{
-		  const char *fmt = _NL_CURRENT (LC_TIME, ERA_D_T_FMT);
-
-		  if (*fmt == '\0')
-		    fmt = _NL_CURRENT (LC_TIME, D_T_FMT);
-
-		  if (!recursive (fmt))
-		    {
-		      if (*decided == loc)
-			return NULL;
-		      else
-			rp = rp_backup;
-		    }
-		  else
-		    {
-		      if (strcmp (fmt, HERE_D_T_FMT))
-			*decided = loc;
-		      want_xday = 1;
-		      break;
-		    }
-		  *decided = raw;
-		}
-	      /* The C locale has no era information, so use the
-		 normal representation.  */
-	      if (!recursive (HERE_D_T_FMT))
-		return NULL;
-	      want_xday = 1;
-	      break;
-	    case 'C':
-	      if (*decided != raw)
-		{
-		  if (era_cnt >= 0)
-		    {
-		      era = _nl_select_era_entry (era_cnt);
-		      if (match_string (era->era_name, rp))
-			{
-			  *decided = loc;
-			  break;
-			}
-		      else
-			return NULL;
-		    }
-		  else
-		    {
-		      num_eras = _NL_CURRENT_WORD (LC_TIME,
-						   _NL_TIME_ERA_NUM_ENTRIES);
-		      for (era_cnt = 0; era_cnt < (int) num_eras;
-			   ++era_cnt, rp = rp_backup)
-			{
-			  era = _nl_select_era_entry (era_cnt);
-			  if (match_string (era->era_name, rp))
-			    {
-			      *decided = loc;
-			      break;
-			    }
-			}
-		      if (era_cnt == (int) num_eras)
-			{
-			  era_cnt = -1;
-			  if (*decided == loc)
-			    return NULL;
-			}
-		      else
-			break;
-		    }
-
-		  *decided = raw;
-		}
-	      /* The C locale has no era information, so use the
-		 normal representation.  */
-	      goto match_century;
- 	    case 'y':
-	      if (*decided == raw)
-		goto match_year_in_century;
-
-	      get_number(0, 9999, 4);
-	      tm->tm_year = val;
-	      want_era = 1;
-	      want_xday = 1;
-	      break;
-	    case 'Y':
-	      if (*decided != raw)
-		{
-		  num_eras = _NL_CURRENT_WORD (LC_TIME,
-					       _NL_TIME_ERA_NUM_ENTRIES);
-		  for (era_cnt = 0; era_cnt < (int) num_eras;
-		       ++era_cnt, rp = rp_backup)
-		    {
-		      era = _nl_select_era_entry (era_cnt);
-		      if (recursive (era->era_format))
-			break;
-		    }
-		  if (era_cnt == (int) num_eras)
-		    {
-		      era_cnt = -1;
-		      if (*decided == loc)
-			return NULL;
-		      else
-			rp = rp_backup;
-		    }
-		  else
-		    {
-		      *decided = loc;
-		      era_cnt = -1;
-		      break;
-		    }
-
-		  *decided = raw;
-		}
-	      get_number (0, 9999, 4);
-	      tm->tm_year = val - 1900;
-	      want_century = 0;
-	      want_xday = 1;
-	      break;
-	    case 'x':
-	      if (*decided != raw)
-		{
-		  const char *fmt = _NL_CURRENT (LC_TIME, ERA_D_FMT);
-
-		  if (*fmt == '\0')
-		    fmt = _NL_CURRENT (LC_TIME, D_FMT);
-
-		  if (!recursive (fmt))
-		    {
-		      if (*decided == loc)
-			return NULL;
-		      else
-			rp = rp_backup;
-		    }
-		  else
-		    {
-		      if (strcmp (fmt, HERE_D_FMT))
-			*decided = loc;
-		      break;
-		    }
-		  *decided = raw;
-		}
-	      if (!recursive (HERE_D_FMT))
-		return NULL;
-	      break;
-	    case 'X':
-	      if (*decided != raw)
-		{
-		  const char *fmt = _NL_CURRENT (LC_TIME, ERA_T_FMT);
-
-		  if (*fmt == '\0')
-		    fmt = _NL_CURRENT (LC_TIME, T_FMT);
-
-		  if (!recursive (fmt))
-		    {
-		      if (*decided == loc)
-			return NULL;
-		      else
-			rp = rp_backup;
-		    }
-		  else
-		    {
-		      if (strcmp (fmt, HERE_T_FMT))
-			*decided = loc;
-		      break;
-		    }
-		  *decided = raw;
-		}
-	      if (!recursive (HERE_T_FMT))
-		return NULL;
-	      break;
-	    default:
-	      return NULL;
-	    }
-	  break;
-#else
-	  /* We have no information about the era format.  Just use
-	     the normal format.  */
-	  if (*fmt != 'c' && *fmt != 'C' && *fmt != 'y' && *fmt != 'Y'
-	      && *fmt != 'x' && *fmt != 'X')
-	    /* This is an illegal format.  */
-	    return NULL;
-
-	  goto start_over;
-#endif
-	case 'O':
-	  switch (*fmt++)
-	    {
-	    case 'd':
-	    case 'e':
-	      /* Match day of month using alternate numeric symbols.  */
-	      get_alt_number (1, 31, 2);
-	      tm->tm_mday = val;
-	      have_mday = 1;
-	      want_xday = 1;
-	      break;
-	    case 'H':
-	      /* Match hour in 24-hour clock using alternate numeric
-		 symbols.  */
-	      get_alt_number (0, 23, 2);
-	      tm->tm_hour = val;
-	      have_I = 0;
-	      break;
-	    case 'I':
-	      /* Match hour in 12-hour clock using alternate numeric
-		 symbols.  */
-	      get_alt_number (1, 12, 2);
-	      tm->tm_hour = val - 1;
-	      have_I = 1;
-	      break;
-	    case 'm':
-	      /* Match month using alternate numeric symbols.  */
-	      get_alt_number (1, 12, 2);
-	      tm->tm_mon = val - 1;
-	      have_mon = 1;
-	      want_xday = 1;
-	      break;
-	    case 'M':
-	      /* Match minutes using alternate numeric symbols.  */
-	      get_alt_number (0, 59, 2);
-	      tm->tm_min = val;
-	      break;
-	    case 'S':
-	      /* Match seconds using alternate numeric symbols.  */
-	      get_alt_number (0, 61, 2);
-	      tm->tm_sec = val;
-	      break;
-	    case 'U':
-	    case 'V':
-	    case 'W':
-	      get_alt_number (0, 53, 2);
-	      /* XXX This cannot determine any field in TM without
-		 further information.  */
-	      break;
-	    case 'w':
-	      /* Match number of weekday using alternate numeric symbols.  */
-	      get_alt_number (0, 6, 1);
-	      tm->tm_wday = val;
-	      have_wday = 1;
-	      break;
-	    case 'y':
-	      /* Match year within century using alternate numeric symbols.  */
-	      get_alt_number (0, 99, 2);
-	      tm->tm_year = val >= 69 ? val : val + 100;
-	      want_xday = 1;
-	      break;
-	    default:
-	      return NULL;
-	    }
-	  break;
-	default:
-	  return NULL;
-	}
-    }
-
-  if (have_I && is_pm)
-    tm->tm_hour += 12;
-
-  if (century != -1)
-    {
-      if (want_century)
-	tm->tm_year = tm->tm_year % 100 + (century - 19) * 100;
-      else
-	/* Only the century, but not the year.  Strange, but so be it.  */
-	tm->tm_year = (century - 19) * 100;
-    }
-
-#ifdef _NL_CURRENT
-  if (era_cnt != -1)
-    {
-      era = _nl_select_era_entry(era_cnt);
-      if (want_era)
-	tm->tm_year = (era->start_date[0]
-		       + ((tm->tm_year - era->offset)
-			  * era->absolute_direction));
-      else
-	/* Era start year assumed.  */
-	tm->tm_year = era->start_date[0];
-    }
-  else
-#endif
-    if (want_era)
-      return NULL;
-
-  if (want_xday && !have_wday)
-    {
-      if ( !(have_mon && have_mday) && have_yday)
-	{
-	  /* We don't have tm_mon and/or tm_mday, compute them.  */
-	  int t_mon = 0;
-	  while (__mon_yday[__isleap(1900 + tm->tm_year)][t_mon] <= tm->tm_yday)
-	      t_mon++;
-	  if (!have_mon)
-	      tm->tm_mon = t_mon - 1;
-	  if (!have_mday)
-	      tm->tm_mday =
-		(tm->tm_yday
-		 - __mon_yday[__isleap(1900 + tm->tm_year)][t_mon - 1] + 1);
-	}
-      day_of_the_week (tm);
-    }
-  if (want_xday && !have_yday)
-    day_of_the_year (tm);
-
-  return (char *) rp;
-}
-
-
-char *
-strptime (buf, format, tm)
-     const char *buf;
-     const char *format;
-     struct tm *tm;
-{
-  enum locale_status decided;
-
-#ifdef _NL_CURRENT
-  decided = not;
-#else
-  decided = raw;
-#endif
-  return strptime_internal (buf, format, tm, &decided, -1);
-}
diff --git a/libavformat/strptime.h b/libavformat/strptime.h
deleted file mode 100644
index 7274956cd1..0000000000
--- a/libavformat/strptime.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) 2003 the ffmpeg project
- *
- * This library 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 of the License, or (at your option) any later version.
- *
- * This library 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 this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- */
-
-#ifndef STRPTIME_H
-#define STRPTIME_H
-
-extern char *strptime(const char *, const char *, struct tm *);
-
-#endif // STRPTIME_H
diff --git a/libavformat/utils.c b/libavformat/utils.c
index c4ced9551d..a593f42d6c 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -17,24 +17,6 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 #include "avformat.h"
-#ifdef CONFIG_WIN32
-#define strcasecmp _stricmp
-#include <sys/types.h>
-#include <sys/timeb.h>
-#elif defined(CONFIG_OS2)
-#include <string.h>
-#define strcasecmp stricmp
-#include <sys/time.h>
-#else
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/time.h>
-#endif
-#include <time.h>
-
-#ifndef HAVE_STRPTIME
-#include "strptime.h"
-#endif
 
 AVInputFormat *first_iformat;
 AVOutputFormat *first_oformat;
@@ -1300,38 +1282,6 @@ int parse_frame_rate(int *frame_rate, int *frame_rate_base, const char *arg)
         return 0;
 }
 
-int64_t av_gettime(void)
-{
-#ifdef CONFIG_WIN32
-    struct _timeb tb;
-    _ftime(&tb);
-    return ((int64_t)tb.time * int64_t_C(1000) + (int64_t)tb.millitm) * int64_t_C(1000);
-#else
-    struct timeval tv;
-    gettimeofday(&tv,NULL);
-    return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
-#endif
-}
-
-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;
-}
-
 /* Syntax:
  * - If not a duration:
  *  [{YYYY-MM-DD|YYYYMMDD}]{T| }{HH[:MM[:SS[.m...]]][Z]|HH[MM[SS[.m...]]][Z]}
@@ -1373,7 +1323,7 @@ int64_t parse_date(const char *datestr, int duration)
     q = NULL;
     if (!duration) {
         for (i = 0; i < sizeof(date_fmt) / sizeof(date_fmt[0]); i++) {
-            q = strptime(p, date_fmt[i], &dt);
+            q = small_strptime(p, date_fmt[i], &dt);
             if (q) {
                 break;
             }
@@ -1394,13 +1344,13 @@ int64_t parse_date(const char *datestr, int duration)
             p++;
 
         for (i = 0; i < sizeof(time_fmt) / sizeof(time_fmt[0]); i++) {
-            q = strptime(p, time_fmt[i], &dt);
+            q = small_strptime(p, time_fmt[i], &dt);
             if (q) {
                 break;
             }
         }
     } else {
-        q = strptime(p, time_fmt[0], &dt);
+        q = small_strptime(p, time_fmt[0], &dt);
         if (!q) {
             dt.tm_sec = strtol(p, (char **)&q, 10);
             dt.tm_min = 0;