datetime: remove fallback code for old GLibs

1 files changed, 123 insertions, 532 deletions

diff --git a/gst/gstdatetime.c b/gst/gstdatetime.c
index 7f6ba4338b..ec982937fc 100644
--- a/gst/gstdatetime.c
+++ b/gst/gstdatetime.c
@@ -42,6 +42,34 @@
  * Since: 0.10.31
  */
 
+#define GST_DATE_TIME_SEC_PER_DAY          (G_GINT64_CONSTANT (86400))
+#define GST_DATE_TIME_USEC_PER_DAY         (G_GINT64_CONSTANT (86400000000))
+#define GST_DATE_TIME_USEC_PER_HOUR        (G_GINT64_CONSTANT (3600000000))
+#define GST_DATE_TIME_USEC_PER_MINUTE      (G_GINT64_CONSTANT (60000000))
+#define GST_DATE_TIME_USEC_PER_SECOND      (G_GINT64_CONSTANT (1000000))
+#define GST_DATE_TIME_USEC_PER_MILLISECOND (G_GINT64_CONSTANT (1000))
+
+struct _GstDateTime
+{
+  GDateTime *datetime;
+
+  volatile gint ref_count;
+};
+
+static GstDateTime *
+gst_date_time_new_from_gdatetime (GDateTime * dt)
+{
+  GstDateTime *gst_dt;
+
+  if (!dt)
+    return NULL;
+
+  gst_dt = g_slice_new (GstDateTime);
+  gst_dt->datetime = dt;
+  gst_dt->ref_count = 1;
+  return gst_dt;
+}
+
 /**
  * gst_date_time_get_year:
  * @datetime: a #GstDateTime
@@ -51,6 +79,11 @@
  * Return value: The year of this #GstDateTime
  * Since: 0.10.31
  */
+gint
+gst_date_time_get_year (const GstDateTime * datetime)
+{
+  return g_date_time_get_year (datetime->datetime);
+}
 
 /**
  * gst_date_time_get_month:
@@ -61,6 +94,11 @@
  * Return value: The month of this #GstDateTime
  * Since: 0.10.31
  */
+gint
+gst_date_time_get_month (const GstDateTime * datetime)
+{
+  return g_date_time_get_month (datetime->datetime);
+}
 
 /**
  * gst_date_time_get_day:
@@ -71,6 +109,11 @@
  * Return value: The day of this #GstDateTime
  * Since: 0.10.31
  */
+gint
+gst_date_time_get_day (const GstDateTime * datetime)
+{
+  return g_date_time_get_day_of_month (datetime->datetime);
+}
 
 /**
  * gst_date_time_get_hour:
@@ -83,18 +126,11 @@
  *
  * Since: 0.10.31
  */
-
-/**
- * gst_date_time_get_microsecond:
- * @datetime: a #GstDateTime
- *
- * Retrieves the fractional part of the seconds in microseconds represented by
- * @datetime in the gregorian calendar.
- *
- * Return value: the microsecond of the second
- *
- * Since: 0.10.31
- */
+gint
+gst_date_time_get_hour (const GstDateTime * datetime)
+{
+  return g_date_time_get_hour (datetime->datetime);
+}
 
 /**
  * gst_date_time_get_minute:
@@ -107,6 +143,11 @@
  *
  * Since: 0.10.31
  */
+gint
+gst_date_time_get_minute (const GstDateTime * datetime)
+{
+  return g_date_time_get_minute (datetime->datetime);
+}
 
 /**
  * gst_date_time_get_second:
@@ -119,18 +160,28 @@
  *
  * Since: 0.10.31
  */
+gint
+gst_date_time_get_second (const GstDateTime * datetime)
+{
+  return g_date_time_get_second (datetime->datetime);
+}
 
 /**
- * gst_date_time_get_second:
+ * gst_date_time_get_microsecond:
  * @datetime: a #GstDateTime
  *
- * Retrieves the second of the minute represented by @datetime in the gregorian
- * calendar.
+ * Retrieves the fractional part of the seconds in microseconds represented by
+ * @datetime in the gregorian calendar.
  *
- * Return value: the second represented by @datetime
+ * Return value: the microsecond of the second
  *
  * Since: 0.10.31
  */
+gint
+gst_date_time_get_microsecond (const GstDateTime * datetime)
+{
+  return g_date_time_get_microsecond (datetime->datetime);
+}
 
 /**
  * gst_date_time_get_time_zone_offset:
@@ -144,6 +195,12 @@
  * Return value: the offset from UTC in hours
  * Since: 0.10.31
  */
+gfloat
+gst_date_time_get_time_zone_offset (const GstDateTime * datetime)
+{
+  return (g_date_time_get_utc_offset (datetime->datetime) /
+      G_USEC_PER_SEC) / 3600.0;
+}
 
 /**
  * gst_date_time_new_from_unix_epoch_local_time:
@@ -158,6 +215,12 @@
  *
  * Since: 0.10.31
  */
+GstDateTime *
+gst_date_time_new_from_unix_epoch_local_time (gint64 secs)
+{
+  return
+      gst_date_time_new_from_gdatetime (g_date_time_new_from_unix_local (secs));
+}
 
 /**
  * gst_date_time_new_from_unix_epoch_utc:
@@ -172,6 +235,12 @@
  *
  * Since: 0.10.31
  */
+GstDateTime *
+gst_date_time_new_from_unix_epoch_utc (gint64 secs)
+{
+  return
+      gst_date_time_new_from_gdatetime (g_date_time_new_from_unix_utc (secs));
+}
 
 /**
  * gst_date_time_new_local_time:
@@ -194,33 +263,13 @@
  *
  * Since: 0.10.31
  */
-
-/**
- * gst_date_time_new:
- * @tzoffset: Offset from UTC in hours.
- * @year: the gregorian year
- * @month: the gregorian month
- * @day: the day of the gregorian month
- * @hour: the hour of the day
- * @minute: the minute of the hour
- * @seconds: the second of the minute
- *
- * Creates a new #GstDateTime using the date and times in the gregorian calendar
- * in the supplied timezone.
- *
- * @year should be from 1 to 9999, @month should be from 1 to 12, @day from
- * 1 to 31, @hour from 0 to 23, @minutes and @seconds from 0 to 59.
- *
- * Note that @tzoffset is a float and was chosen so for being able to handle
- * some fractional timezones, while it still keeps the readability of
- * represeting it in hours for most timezones.
- *
- * Free-function: gst_date_time_unref
- *
- * Return value: (transfer full): the newly created #GstDateTime
- *
- * Since: 0.10.31
- */
+GstDateTime *
+gst_date_time_new_local_time (gint year, gint month, gint day, gint hour,
+    gint minute, gdouble seconds)
+{
+  return gst_date_time_new_from_gdatetime (g_date_time_new_local (year, month,
+          day, hour, minute, seconds));
+}
 
 /**
  * gst_date_time_new_now_local_time:
@@ -234,6 +283,11 @@
  *
  * Since: 0.10.31
  */
+GstDateTime *
+gst_date_time_new_now_local_time (void)
+{
+  return gst_date_time_new_from_gdatetime (g_date_time_new_now_local ());
+}
 
 /**
  * gst_date_time_new_now_utc:
@@ -248,493 +302,6 @@
  *
  * Since: 0.10.31
  */
-
-
-#define GST_DATE_TIME_SEC_PER_DAY          (G_GINT64_CONSTANT (86400))
-#define GST_DATE_TIME_USEC_PER_DAY         (G_GINT64_CONSTANT (86400000000))
-#define GST_DATE_TIME_USEC_PER_HOUR        (G_GINT64_CONSTANT (3600000000))
-#define GST_DATE_TIME_USEC_PER_MINUTE      (G_GINT64_CONSTANT (60000000))
-#define GST_DATE_TIME_USEC_PER_SECOND      (G_GINT64_CONSTANT (1000000))
-#define GST_DATE_TIME_USEC_PER_MILLISECOND (G_GINT64_CONSTANT (1000))
-
-/* FIXME: this bug was resolved NOTGNOME */
-/* Jan 5th 2011 (Edward) : GLib's GDateTime is broken in regards to gmt offset
- * on macosx. Re-enable it once the following bug is fixed:
- * https://bugzilla.gnome.org/show_bug.cgi?id=638666 */
-#ifdef HAVE_OSX
-#undef GLIB_HAS_GDATETIME
-#else
-#define GLIB_HAS_GDATETIME
-#endif
-
-
-#ifndef GLIB_HAS_GDATETIME
-
-#define MAX_SUPPORTED_YEAR 9999
-#define GREGORIAN_LEAP(y)  (((y%4)==0)&&(!(((y%100)==0)&&((y%400)!=0))))
-
-static const guint16 days_in_months[2][13] = {
-  {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
-  {0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
-};
-
-struct _GstDateTime
-{
-  /*
-   * As we don't have a datetime math API, we can have fields split here.
-   * (There is still some math done internally, but nothing really relevant).
-   *
-   * If we ever add one, we should go for a days since some epoch counter.
-   * (Proleptic Gregorian with 0001-01-01 as day 1)
-   */
-  gint16 year;
-  gint8 month;
-  gint8 day;
-  guint64 usec;                 /* Microsecond timekeeping within Day */
-
-  gint tzoffset;
-
-  volatile gint ref_count;
-};
-
-/*
- * Returns the utc offset in seconds for this time structure
- */
-static gint
-gmt_offset (struct tm *tm, time_t t)
-{
-#if defined (HAVE_TM_GMTOFF)
-  return tm->tm_gmtoff;
-#else
-  struct tm g;
-  time_t t2;
-#ifdef HAVE_GMTIME_R
-  gmtime_r (&t, &g);
-#else
-  g = *gmtime (&t);
-#endif
-  t2 = mktime (&g);
-  return (int) difftime (t, t2);
-#endif
-}
-
-static void
-gst_date_time_set_local_timezone (GstDateTime * dt)
-{
-  struct tm tt;
-  time_t t;
-
-  g_return_if_fail (dt != NULL);
-
-  memset (&tt, 0, sizeof (tt));
-
-  tt.tm_mday = gst_date_time_get_day (dt);
-  tt.tm_mon = gst_date_time_get_month (dt) - 1;
-  tt.tm_year = gst_date_time_get_year (dt) - 1900;
-  tt.tm_hour = gst_date_time_get_hour (dt);
-  tt.tm_min = gst_date_time_get_minute (dt);
-  tt.tm_sec = gst_date_time_get_second (dt);
-
-  t = mktime (&tt);
-
-  dt->tzoffset = gmt_offset (&tt, t) / 60;
-}
-
-static GstDateTime *
-gst_date_time_alloc (void)
-{
-  GstDateTime *datetime;
-
-  datetime = g_slice_new0 (GstDateTime);
-  datetime->ref_count = 1;
-
-  return datetime;
-}
-
-static void
-gst_date_time_free (GstDateTime * datetime)
-{
-  g_slice_free (GstDateTime, datetime);
-}
-
-static GstDateTime *
-gst_date_time_new_from_date (gint year, gint month, gint day)
-{
-  GstDateTime *dt;
-
-  g_return_val_if_fail (year > 0 && year <= 9999, NULL);
-  g_return_val_if_fail ((month > 0 && month <= 12), NULL);
-  g_return_val_if_fail ((day > 0 && day <= 31), NULL);
-
-  dt = gst_date_time_alloc ();
-
-  dt->year = year;
-  dt->month = month;
-  dt->day = day;
-  gst_date_time_set_local_timezone (dt);
-
-  return dt;
-}
-
-gint
-gst_date_time_get_year (const GstDateTime * datetime)
-{
-  g_return_val_if_fail (datetime != NULL, 0);
-
-  return datetime->year;
-}
-
-gint
-gst_date_time_get_month (const GstDateTime * datetime)
-{
-  g_return_val_if_fail (datetime != NULL, 0);
-
-  return datetime->month;
-}
-
-gint
-gst_date_time_get_day (const GstDateTime * datetime)
-{
-  g_return_val_if_fail (datetime != NULL, 0);
-
-  return datetime->day;
-}
-
-gint
-gst_date_time_get_hour (const GstDateTime * datetime)
-{
-  g_return_val_if_fail (datetime != NULL, 0);
-  return (datetime->usec / GST_DATE_TIME_USEC_PER_HOUR);
-}
-
-gint
-gst_date_time_get_microsecond (const GstDateTime * datetime)
-{
-  g_return_val_if_fail (datetime != NULL, 0);
-  return (datetime->usec % GST_DATE_TIME_USEC_PER_SECOND);
-}
-
-gint
-gst_date_time_get_minute (const GstDateTime * datetime)
-{
-  g_return_val_if_fail (datetime != NULL, 0);
-  return (datetime->usec % GST_DATE_TIME_USEC_PER_HOUR) /
-      GST_DATE_TIME_USEC_PER_MINUTE;
-}
-
-gint
-gst_date_time_get_second (const GstDateTime * datetime)
-{
-  g_return_val_if_fail (datetime != NULL, 0);
-  return (datetime->usec % GST_DATE_TIME_USEC_PER_MINUTE) /
-      GST_DATE_TIME_USEC_PER_SECOND;
-}
-
-gfloat
-gst_date_time_get_time_zone_offset (const GstDateTime * datetime)
-{
-  g_return_val_if_fail (datetime != NULL, 0);
-
-  return datetime->tzoffset / 60.0f;
-}
-
-GstDateTime *
-gst_date_time_new_from_unix_epoch_local_time (gint64 secs)
-{
-  GstDateTime *dt;
-  struct tm tm;
-  time_t tt;
-
-  memset (&tm, 0, sizeof (tm));
-  tt = (time_t) secs;
-
-#ifdef HAVE_LOCALTIME_R
-  localtime_r (&tt, &tm);
-#else
-  memcpy (&tm, localtime (&tt), sizeof (struct tm));
-#endif
-
-  dt = gst_date_time_new (0, tm.tm_year + 1900,
-      tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
-  gst_date_time_set_local_timezone (dt);
-  return dt;
-}
-
-GstDateTime *
-gst_date_time_new_from_unix_epoch_utc (gint64 secs)
-{
-  GstDateTime *dt;
-  struct tm tm;
-  time_t tt;
-
-  memset (&tm, 0, sizeof (tm));
-  tt = (time_t) secs;
-
-#ifdef HAVE_GMTIME_R
-  gmtime_r (&tt, &tm);
-#else
-  memcpy (&tm, gmtime (&tt), sizeof (struct tm));
-#endif
-
-  dt = gst_date_time_new (0, tm.tm_year + 1900,
-      tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
-  return dt;
-}
-
-GstDateTime *
-gst_date_time_new_local_time (gint year, gint month, gint day, gint hour,
-    gint minute, gdouble seconds)
-{
-  GstDateTime *dt;
-
-  dt = gst_date_time_new (0, year, month, day, hour, minute, seconds);
-
-  gst_date_time_set_local_timezone (dt);
-
-  return dt;
-}
-
-GstDateTime *
-gst_date_time_new (gfloat tzoffset, gint year, gint month, gint day, gint hour,
-    gint minute, gdouble seconds)
-{
-  GstDateTime *dt;
-
-  g_return_val_if_fail (hour >= 0 && hour < 24, NULL);
-  g_return_val_if_fail (minute >= 0 && minute < 60, NULL);
-  g_return_val_if_fail (seconds >= 0 && seconds < 60, NULL);
-  g_return_val_if_fail (tzoffset >= -12.0 && tzoffset <= 12.0, NULL);
-
-  if (!(dt = gst_date_time_new_from_date (year, month, day)))
-    return NULL;
-
-  dt->usec = (hour * GST_DATE_TIME_USEC_PER_HOUR)
-      + (minute * GST_DATE_TIME_USEC_PER_MINUTE)
-      + (guint64) (floor (seconds * GST_DATE_TIME_USEC_PER_SECOND + 0.5));
-
-  /* we store in minutes */
-  dt->tzoffset = (gint) (tzoffset * 60.0);
-
-  return dt;
-}
-
-GstDateTime *
-gst_date_time_new_now_local_time (void)
-{
-  GstDateTime *datetime;
-  GTimeVal tv;
-  g_get_current_time (&tv);
-
-  datetime = gst_date_time_new_from_unix_epoch_local_time (tv.tv_sec);
-  datetime->usec += tv.tv_usec;
-  gst_date_time_set_local_timezone (datetime);
-  return datetime;
-}
-
-static GstDateTime *
-gst_date_time_copy (const GstDateTime * dt)
-{
-  GstDateTime *copy = gst_date_time_alloc ();
-
-  memcpy (copy, dt, sizeof (GstDateTime));
-  copy->ref_count = 1;
-
-  return copy;
-}
-
-static GstDateTime *
-gst_date_time_to_utc (const GstDateTime * dt)
-{
-  GstDateTime *utc;
-  gint64 usec;
-  gint days;
-  gint leap;
-
-  g_return_val_if_fail (dt != NULL, NULL);
-
-  utc = gst_date_time_copy (dt);
-
-  usec = dt->usec - dt->tzoffset * GST_DATE_TIME_USEC_PER_MINUTE;
-  days = usec / GST_DATE_TIME_USEC_PER_DAY;
-  if (usec < 0)
-    days--;
-  utc->day += days;
-
-  leap = GREGORIAN_LEAP (utc->year) ? 1 : 0;
-
-  /* check if we should update month/year */
-  if (utc->day < 1) {
-    if (utc->month == 1) {
-      utc->year--;
-      utc->month = 12;
-    } else {
-      utc->month--;
-    }
-    if (GREGORIAN_LEAP (utc->year))
-      utc->day = days_in_months[1][utc->month];
-    else
-      utc->day = days_in_months[0][utc->month];
-  } else if (utc->day > days_in_months[leap][utc->month]) {
-    if (utc->month == 12) {
-      utc->year++;
-      utc->month = 1;
-    } else {
-      utc->month++;
-    }
-    utc->day = 1;
-  }
-
-  if (usec < 0)
-    utc->usec =
-        GST_DATE_TIME_USEC_PER_DAY + (usec % GST_DATE_TIME_USEC_PER_DAY);
-  else
-    utc->usec = usec % GST_DATE_TIME_USEC_PER_DAY;
-
-  return utc;
-}
-
-GstDateTime *
-gst_date_time_new_now_utc (void)
-{
-  GstDateTime *now, *utc;
-
-  now = gst_date_time_new_now_local_time ();
-  utc = gst_date_time_to_utc (now);
-  gst_date_time_unref (now);
-  return utc;
-}
-
-gint
-priv_gst_date_time_compare (gconstpointer dt1, gconstpointer dt2)
-{
-  GstDateTime *a, *b;
-  gint res = 0;
-
-  a = gst_date_time_to_utc (dt1);
-  b = gst_date_time_to_utc (dt2);
-
-#define GST_DATE_TIME_COMPARE_VALUE(a,b,v)   \
-  if ((a)->v > (b)->v) {                     \
-    res = 1;                                 \
-    goto done;                               \
-  } else if ((a)->v < (b)->v) {              \
-    res = -1;                                \
-    goto done;                               \
-  }
-
-  GST_DATE_TIME_COMPARE_VALUE (a, b, year);
-  GST_DATE_TIME_COMPARE_VALUE (a, b, month);
-  GST_DATE_TIME_COMPARE_VALUE (a, b, day);
-  GST_DATE_TIME_COMPARE_VALUE (a, b, usec);
-
-#undef GST_DATE_TIME_COMPARE_VALUE
-
-done:
-  gst_date_time_unref (a);
-  gst_date_time_unref (b);
-  return res;
-}
-
-#else
-
-struct _GstDateTime
-{
-  GDateTime *datetime;
-
-  volatile gint ref_count;
-};
-
-static GstDateTime *
-gst_date_time_new_from_gdatetime (GDateTime * dt)
-{
-  GstDateTime *gst_dt;
-
-  if (!dt)
-    return NULL;
-
-  gst_dt = g_slice_new (GstDateTime);
-  gst_dt->datetime = dt;
-  gst_dt->ref_count = 1;
-  return gst_dt;
-}
-
-gint
-gst_date_time_get_year (const GstDateTime * datetime)
-{
-  return g_date_time_get_year (datetime->datetime);
-}
-
-gint
-gst_date_time_get_month (const GstDateTime * datetime)
-{
-  return g_date_time_get_month (datetime->datetime);
-}
-
-gint
-gst_date_time_get_day (const GstDateTime * datetime)
-{
-  return g_date_time_get_day_of_month (datetime->datetime);
-}
-
-gint
-gst_date_time_get_hour (const GstDateTime * datetime)
-{
-  return g_date_time_get_hour (datetime->datetime);
-}
-
-gint
-gst_date_time_get_minute (const GstDateTime * datetime)
-{
-  return g_date_time_get_minute (datetime->datetime);
-}
-
-gint
-gst_date_time_get_second (const GstDateTime * datetime)
-{
-  return g_date_time_get_second (datetime->datetime);
-}
-
-gint
-gst_date_time_get_microsecond (const GstDateTime * datetime)
-{
-  return g_date_time_get_microsecond (datetime->datetime);
-}
-
-gfloat
-gst_date_time_get_time_zone_offset (const GstDateTime * datetime)
-{
-  return (g_date_time_get_utc_offset (datetime->datetime) /
-      G_USEC_PER_SEC) / 3600.0;
-}
-
-GstDateTime *
-gst_date_time_new_from_unix_epoch_local_time (gint64 secs)
-{
-  return
-      gst_date_time_new_from_gdatetime (g_date_time_new_from_unix_local (secs));
-}
-
-GstDateTime *
-gst_date_time_new_from_unix_epoch_utc (gint64 secs)
-{
-  return
-      gst_date_time_new_from_gdatetime (g_date_time_new_from_unix_utc (secs));
-}
-
-GstDateTime *
-gst_date_time_new_local_time (gint year, gint month, gint day, gint hour,
-    gint minute, gdouble seconds)
-{
-  return gst_date_time_new_from_gdatetime (g_date_time_new_local (year, month,
-          day, hour, minute, seconds));
-}
-
-GstDateTime *
-gst_date_time_new_now_local_time (void)
-{
-  return gst_date_time_new_from_gdatetime (g_date_time_new_now_local ());
-}
-
 GstDateTime *
 gst_date_time_new_now_utc (void)
 {
@@ -749,6 +316,32 @@ priv_gst_date_time_compare (gconstpointer dt1, gconstpointer dt2)
   return g_date_time_compare (datetime1->datetime, datetime2->datetime);
 }
 
+/**
+ * gst_date_time_new:
+ * @tzoffset: Offset from UTC in hours.
+ * @year: the gregorian year
+ * @month: the gregorian month
+ * @day: the day of the gregorian month
+ * @hour: the hour of the day
+ * @minute: the minute of the hour
+ * @seconds: the second of the minute
+ *
+ * Creates a new #GstDateTime using the date and times in the gregorian calendar
+ * in the supplied timezone.
+ *
+ * @year should be from 1 to 9999, @month should be from 1 to 12, @day from
+ * 1 to 31, @hour from 0 to 23, @minutes and @seconds from 0 to 59.
+ *
+ * Note that @tzoffset is a float and was chosen so for being able to handle
+ * some fractional timezones, while it still keeps the readability of
+ * represeting it in hours for most timezones.
+ *
+ * Free-function: gst_date_time_unref
+ *
+ * Return value: (transfer full): the newly created #GstDateTime
+ *
+ * Since: 0.10.31
+ */
 GstDateTime *
 gst_date_time_new (gfloat tzoffset, gint year, gint month, gint day, gint hour,
     gint minute, gdouble seconds)
@@ -778,8 +371,6 @@ gst_date_time_free (GstDateTime * datetime)
   g_slice_free (GstDateTime, datetime);
 }
 
-#endif
-
 /**
  * gst_date_time_ref:
  * @datetime: a #GstDateTime