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datetime: remove fallback code for old GLibs

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This commit is contained in:
Tim-Philipp Müller 2012-06-09 18:05:14 +01:00
parent 98ecc35d30
commit bfe1cf9926
1 changed files with 137 additions and 546 deletions
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683
gst/gstdatetime.c
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@ -42,6 +42,34 @@
* Since: 0.10.31 * 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: * gst_date_time_get_year:
* @datetime: a #GstDateTime * @datetime: a #GstDateTime
@ -51,6 +79,11 @@
* Return value: The year of this #GstDateTime * Return value: The year of this #GstDateTime
* Since: 0.10.31 * 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: * gst_date_time_get_month:
@ -61,6 +94,11 @@
* Return value: The month of this #GstDateTime * Return value: The month of this #GstDateTime
* Since: 0.10.31 * 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: * gst_date_time_get_day:
@ -71,6 +109,11 @@
* Return value: The day of this #GstDateTime * Return value: The day of this #GstDateTime
* Since: 0.10.31 * 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: * gst_date_time_get_hour:
@ -83,18 +126,11 @@
* *
* Since: 0.10.31 * Since: 0.10.31
*/ */
gint
/** gst_date_time_get_hour (const GstDateTime * datetime)
* gst_date_time_get_microsecond: {
* @datetime: a #GstDateTime return g_date_time_get_hour (datetime->datetime);
* }
* 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
*/
/** /**
* gst_date_time_get_minute: * gst_date_time_get_minute:
@ -107,6 +143,11 @@
* *
* Since: 0.10.31 * 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: * gst_date_time_get_second:
@ -119,18 +160,28 @@
* *
* Since: 0.10.31 * 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 * @datetime: a #GstDateTime
* *
* Retrieves the second of the minute represented by @datetime in the gregorian * Retrieves the fractional part of the seconds in microseconds represented by
* calendar. * @datetime in the gregorian calendar.
* *
* Return value: the second represented by @datetime * Return value: the microsecond of the second
* *
* Since: 0.10.31 * 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: * gst_date_time_get_time_zone_offset:
@ -144,6 +195,12 @@
* Return value: the offset from UTC in hours * Return value: the offset from UTC in hours
* Since: 0.10.31 * 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: * gst_date_time_new_from_unix_epoch_local_time:
@ -158,6 +215,12 @@
* *
* Since: 0.10.31 * 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: * gst_date_time_new_from_unix_epoch_utc:
@ -172,6 +235,12 @@
* *
* Since: 0.10.31 * 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: * gst_date_time_new_local_time:
@ -194,6 +263,58 @@
* *
* Since: 0.10.31 * 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:
*
* Creates a new #GstDateTime representing the current date and time.
*
* Free-function: gst_date_time_unref
*
* Return value: (transfer full): the newly created #GstDateTime which should
* be freed with gst_date_time_unref().
*
* 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:
*
* Creates a new #GstDateTime that represents the current instant at Universal
* coordinated time.
*
* Free-function: gst_date_time_unref
*
* Return value: (transfer full): the newly created #GstDateTime which should
* be freed with gst_date_time_unref().
*
* Since: 0.10.31
*/
GstDateTime *
gst_date_time_new_now_utc (void)
{
return gst_date_time_new_from_gdatetime (g_date_time_new_now_utc ());
}
gint
priv_gst_date_time_compare (gconstpointer dt1, gconstpointer dt2)
{
const GstDateTime *datetime1 = dt1;
const GstDateTime *datetime2 = dt2;
return g_date_time_compare (datetime1->datetime, datetime2->datetime);
}
/** /**
* gst_date_time_new: * gst_date_time_new:
@ -221,534 +342,6 @@
* *
* Since: 0.10.31 * Since: 0.10.31
*/ */
/**
* gst_date_time_new_now_local_time:
*
* Creates a new #GstDateTime representing the current date and time.
*
* Free-function: gst_date_time_unref
*
* Return value: (transfer full): the newly created #GstDateTime which should
* be freed with gst_date_time_unref().
*
* Since: 0.10.31
*/
/**
* gst_date_time_new_now_utc:
*
* Creates a new #GstDateTime that represents the current instant at Universal
* coordinated time.
*
* Free-function: gst_date_time_unref
*
* Return value: (transfer full): the newly created #GstDateTime which should
* be freed with gst_date_time_unref().
*
* 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)
{
return gst_date_time_new_from_gdatetime (g_date_time_new_now_utc ());
}
gint
priv_gst_date_time_compare (gconstpointer dt1, gconstpointer dt2)
{
const GstDateTime *datetime1 = dt1;
const GstDateTime *datetime2 = dt2;
return g_date_time_compare (datetime1->datetime, datetime2->datetime);
}
GstDateTime * GstDateTime *
gst_date_time_new (gfloat tzoffset, gint year, gint month, gint day, gint hour, gst_date_time_new (gfloat tzoffset, gint year, gint month, gint day, gint hour,
gint minute, gdouble seconds) gint minute, gdouble seconds)
@ -778,8 +371,6 @@ gst_date_time_free (GstDateTime * datetime)
g_slice_free (GstDateTime, datetime); g_slice_free (GstDateTime, datetime);
} }
#endif
/** /**
* gst_date_time_ref: * gst_date_time_ref:
* @datetime: a #GstDateTime * @datetime: a #GstDateTime