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rtsprange: Add function to convert a range between formats

Browse source 
Also add unit tests.
This commit is contained in:
Olivier Crête 2013-02-22 13:32:21 -05:00 committed by Wim Taymans
parent 0353e608f8
commit 17d5dbd337
4 changed files with 213 additions and 1 deletions
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4
docs/libs/gst-plugins-base-libs-sections.txt
View file

@ -1540,14 +1540,16 @@ gst_rtsp_url_get_type
<SECTION>
<FILE>gstrtsprange</FILE>
<INCLUDE>gst/rtsp/gstrtsrange.h</INCLUDE>
<INCLUDE>gst/rtsp/gstrtsprange.h</INCLUDE>
GstRTSPRangeUnit
GstRTSPTimeRange
GstRTSPTime
GstRTSPTime2
GstRTSPTimeType
gst_rtsp_range_parse
gst_rtsp_range_get_times
gst_rtsp_range_to_string
gst_rtsp_range_convert_units
gst_rtsp_range_free
</SECTION>

99
gst-libs/gst/rtsp/gstrtsprange.c
View file

@ -591,3 +591,102 @@ gst_rtsp_range_get_times (const GstRTSPTimeRange * range,
return TRUE;
}
static void
set_time (GstRTSPTime * time, GstRTSPTime2 * time2, GstRTSPRangeUnit unit,
GstClockTime clock_time)
{
memset (time, 0, sizeof (GstRTSPTime));
memset (time2, 0, sizeof (GstRTSPTime2));
if (clock_time == GST_CLOCK_TIME_NONE) {
time->type = GST_RTSP_TIME_END;
return;
}
switch (unit) {
case GST_RTSP_RANGE_SMPTE:
case GST_RTSP_RANGE_SMPTE_30_DROP:
{
time->seconds = (guint64) (clock_time / GST_SECOND);
time2->frames = 30003 * (clock_time % GST_SECOND) /
(gdouble) (1001 * GST_SECOND);
time->type = GST_RTSP_TIME_FRAMES;
g_assert (time2->frames < 30);
break;
}
case GST_RTSP_RANGE_SMPTE_25:
{
time->seconds = (guint64) (clock_time / GST_SECOND);
time2->frames = (25 * (clock_time % GST_SECOND)) / (gdouble) GST_SECOND;
time->type = GST_RTSP_TIME_FRAMES;
g_assert (time2->frames < 25);
break;
}
case GST_RTSP_RANGE_NPT:
{
time->seconds = (gdouble) clock_time / (gdouble) GST_SECOND;
time->type = GST_RTSP_TIME_SECONDS;
break;
}
case GST_RTSP_RANGE_CLOCK:
{
GDateTime *bt, *datetime;
GstClockTime subsecond = clock_time % GST_SECOND;
bt = g_date_time_new_utc (1900, 1, 1, 0, 0, 0.0);
datetime = g_date_time_add_seconds (bt, clock_time / GST_SECOND);
time2->year = g_date_time_get_year (datetime);
time2->month = g_date_time_get_month (datetime);
time2->day = g_date_time_get_day_of_month (datetime);
time->seconds = g_date_time_get_hour (datetime) * 60 * 60;
time->seconds += g_date_time_get_minute (datetime) * 60;
time->seconds += g_date_time_get_seconds (datetime);
time->seconds += (gdouble) subsecond / (gdouble) GST_SECOND;
time->type = GST_RTSP_TIME_UTC;
g_date_time_unref (bt);
g_date_time_unref (datetime);
break;
}
}
if (time->seconds < 0.000000001)
time->seconds = 0;
if (time2->frames < 0.000000001)
time2->frames = 0;
}
/**
* gst_rtsp_range_convert_units:
* @range: a #GstRTSPTimeRange
* @unit: the unit to convert the range into
*
* Converts the range in-place between different types of units.
* Ranges containing the special value #GST_RTSP_TIME_NOW can not be
* converted as these are only valid for #GST_RTSP_RANGE_NPT.
*
* Returns: %TRUE if the range could be converted
*/
gboolean
gst_rtsp_range_convert_units (GstRTSPTimeRange * range, GstRTSPRangeUnit unit)
{
if (range->unit == unit)
return TRUE;
if (range->min.type == GST_RTSP_TIME_NOW ||
range->max.type == GST_RTSP_TIME_NOW)
return FALSE;
set_time (&range->min, &range->min2, unit,
get_time (range->unit, &range->min, &range->min2));
set_time (&range->max, &range->max2, unit,
get_time (range->unit, &range->max, &range->max2));
range->unit = unit;
return TRUE;
}

3
gst-libs/gst/rtsp/gstrtsprange.h
View file

@ -149,6 +149,9 @@ void gst_rtsp_range_free (GstRTSPTimeRange *range);
gboolean gst_rtsp_range_get_times (const GstRTSPTimeRange *range,
GstClockTime *min, GstClockTime *max);
gboolean gst_rtsp_range_convert_units (GstRTSPTimeRange * range,
GstRTSPRangeUnit unit);
G_END_DECLS
#endif /* __GST_RTSP_RANGE_H__ */

108
tests/check/libs/rtsp.c
View file

@ -432,6 +432,113 @@ GST_START_TEST (test_rtsp_range_clock)
GST_END_TEST;
GST_START_TEST (test_rtsp_range_convert)
{
GstRTSPTimeRange *range;
gchar *str;
fail_unless (gst_rtsp_range_parse ("npt=now-100", &range) == GST_RTSP_OK);
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_NPT));
fail_unless (!gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_CLOCK));
fail_unless (!gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_SMPTE));
str = gst_rtsp_range_to_string (range);
fail_unless_equals_string (str, "npt=now-100");
g_free (str);
gst_rtsp_range_free (range);
fail_unless (gst_rtsp_range_parse ("npt=0-100", &range) == GST_RTSP_OK);
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_SMPTE));
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_NPT));
str = gst_rtsp_range_to_string (range);
fail_unless_equals_string (str, "npt=0-100");
g_free (str);
gst_rtsp_range_free (range);
fail_unless (gst_rtsp_range_parse ("npt=0-100", &range) == GST_RTSP_OK);
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_SMPTE_25));
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_NPT));
str = gst_rtsp_range_to_string (range);
fail_unless_equals_string (str, "npt=0-100");
g_free (str);
gst_rtsp_range_free (range);
fail_unless (gst_rtsp_range_parse ("npt=0-100", &range) == GST_RTSP_OK);
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_CLOCK));
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_NPT));
str = gst_rtsp_range_to_string (range);
fail_unless_equals_string (str, "npt=0-100");
g_free (str);
gst_rtsp_range_free (range);
fail_unless (gst_rtsp_range_parse ("smpte-25=10:07:00-10:07:33:05.01", &range)
== GST_RTSP_OK);
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_NPT));
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_SMPTE_25));
str = gst_rtsp_range_to_string (range);
fail_unless_equals_string (str, "smpte-25=10:07:00-10:07:33:05.01");
g_free (str);
gst_rtsp_range_free (range);
fail_unless (gst_rtsp_range_parse ("smpte=77:07:59-", &range)
== GST_RTSP_OK);
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_NPT));
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_SMPTE));
str = gst_rtsp_range_to_string (range);
fail_unless_equals_string (str, "smpte=77:07:59-");
g_free (str);
gst_rtsp_range_free (range);
fail_unless (gst_rtsp_range_parse ("smpte=10:07:00-10:07:33:05.01", &range)
== GST_RTSP_OK);
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_NPT));
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_SMPTE));
str = gst_rtsp_range_to_string (range);
fail_unless_equals_string (str, "smpte=10:07:00-10:07:33:05.01");
g_free (str);
gst_rtsp_range_free (range);
fail_unless (gst_rtsp_range_parse ("smpte-25=10:07:00-10:07:33:05.01", &range)
== GST_RTSP_OK);
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_CLOCK));
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_SMPTE_25));
str = gst_rtsp_range_to_string (range);
fail_unless_equals_string (str, "smpte-25=10:07:00-10:07:33:05.01");
g_free (str);
gst_rtsp_range_free (range);
fail_unless (gst_rtsp_range_parse ("smpte=10:07:00-10:07:33:05.01", &range)
== GST_RTSP_OK);
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_CLOCK));
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_SMPTE));
str = gst_rtsp_range_to_string (range);
fail_unless_equals_string (str, "smpte=10:07:00-10:07:33:05.01");
g_free (str);
gst_rtsp_range_free (range);
fail_unless (gst_rtsp_range_parse
("clock=20001010T120023Z-20320518T152245.12Z", &range)
== GST_RTSP_OK);
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_NPT));
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_CLOCK));
str = gst_rtsp_range_to_string (range);
fail_unless_equals_string (str, "clock=20001010T120023Z-20320518T152245.12Z");
g_free (str);
gst_rtsp_range_free (range);
fail_unless (gst_rtsp_range_parse
("clock=20001010T120023Z-20320518T152245.12Z", &range)
== GST_RTSP_OK);
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_SMPTE));
fail_unless (gst_rtsp_range_convert_units (range, GST_RTSP_RANGE_CLOCK));
str = gst_rtsp_range_to_string (range);
fail_unless_equals_string (str, "clock=20001010T120023Z-20320518T152245.12Z");
g_free (str);
gst_rtsp_range_free (range);
}
GST_END_TEST;
static Suite *
rtsp_suite (void)
{
@ -446,6 +553,7 @@ rtsp_suite (void)
tcase_add_test (tc_chain, test_rtsp_range_npt);
tcase_add_test (tc_chain, test_rtsp_range_smpte);
tcase_add_test (tc_chain, test_rtsp_range_clock);
tcase_add_test (tc_chain, test_rtsp_range_convert);
return s;
}