static void
compare_date_time (ExifEntry * entry, ExifTagCheckData * testdata)
{
gint year = 0, month = 1, day = 1, hour = 0, minute = 0, second = 0;
GstDateTime *exif_datetime;
GstDateTime *datetime;
const gchar *str;
if (!gst_tag_list_get_date_time_index (testdata->taglist, GST_TAG_DATE_TIME,
0, &datetime)) {
GST_WARNING ("Failed to get datetime from taglist");
return;
}
str = (gchar *) entry->data;
sscanf (str, "%04d:%02d:%02d %02d:%02d:%02d", &year, &month, &day,
&hour, &minute, &second);
exif_datetime = gst_date_time_new_local_time (year, month, day, hour, minute,
second);
fail_if (exif_datetime == NULL);
fail_unless (gst_date_time_get_year (datetime) ==
gst_date_time_get_year (exif_datetime)
&& gst_date_time_get_month (datetime) ==
gst_date_time_get_month (exif_datetime)
&& gst_date_time_get_day (datetime) ==
gst_date_time_get_day (exif_datetime)
&& gst_date_time_get_hour (datetime) ==
gst_date_time_get_hour (exif_datetime)
&& gst_date_time_get_minute (datetime) ==
gst_date_time_get_minute (exif_datetime)
&& gst_date_time_get_second (datetime) ==
gst_date_time_get_second (exif_datetime));
gst_date_time_unref (exif_datetime);
gst_date_time_unref (datetime);
testdata->result = TRUE;
}
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;
}
gchar *
__gst_date_time_serialize (GstDateTime * datetime, gboolean serialize_usecs)
{
GString *s;
gfloat gmt_offset;
guint msecs;
/* we always have at least the year */
s = g_string_new (NULL);
g_string_append_printf (s, "%04u", gst_date_time_get_year (datetime));
if (datetime->fields == GST_DATE_TIME_FIELDS_Y)
goto done;
/* add month */
g_string_append_printf (s, "-%02u", gst_date_time_get_month (datetime));
if (datetime->fields == GST_DATE_TIME_FIELDS_YM)
goto done;
/* add day of month */
g_string_append_printf (s, "-%02u", gst_date_time_get_day (datetime));
if (datetime->fields == GST_DATE_TIME_FIELDS_YMD)
goto done;
/* add time */
g_string_append_printf (s, "T%02u:%02u", gst_date_time_get_hour (datetime),
gst_date_time_get_minute (datetime));
if (datetime->fields == GST_DATE_TIME_FIELDS_YMD_HM)
goto add_timezone;
/* add seconds */
g_string_append_printf (s, ":%02u", gst_date_time_get_second (datetime));
/* add microseconds */
if (serialize_usecs) {
msecs = gst_date_time_get_microsecond (datetime);
if (msecs != 0) {
g_string_append_printf (s, ".%06u", msecs);
/* trim trailing 0s */
while (s->str[s->len - 1] == '0')
g_string_truncate (s, s->len - 1);
}
}
/* add timezone */
add_timezone:
gmt_offset = gst_date_time_get_time_zone_offset (datetime);
if (gmt_offset == 0) {
g_string_append_c (s, 'Z');
} else {
guint tzhour, tzminute;
tzhour = (guint) ABS (gmt_offset);
tzminute = (guint) ((ABS (gmt_offset) - tzhour) * 60);
g_string_append_c (s, (gmt_offset >= 0) ? '+' : '-');
g_string_append_printf (s, "%02u%02u", tzhour, tzminute);
}
done:
return g_string_free (s, FALSE);
}
