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mpegts: Properly handle UTC time in sections

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* don't unref inexistant GstDateTime
* Fine-tune hour/min/sec BCD reading code
* Update example code accordingly
This commit is contained in:
Edward Hervey 2013-07-06 12:39:49 +02:00
parent b4e2261749
commit 057d24811d
2 changed files with 23 additions and 12 deletions
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11
gst-libs/gst/mpegts/gst-dvb-section.c
View file

@ -82,9 +82,12 @@ _parse_utc_time (guint8 * data)
utc_ptr = data + 2;
hour = ((utc_ptr[0] & 0xF0) >> 4) * 10 + (utc_ptr[0] & 0x0F);
minute = ((utc_ptr[1] & 0xF0) >> 4) * 10 + (utc_ptr[1] & 0x0F);
second = ((utc_ptr[2] & 0xF0) >> 4) * 10 + (utc_ptr[2] & 0x0F);
/* First digit of hours cannot exceeed 2 (max: 23 hours) */
hour = ((utc_ptr[0] & 0x30) >> 4) * 10 + (utc_ptr[0] & 0x0F);
/* First digit of minutes cannot exced 5 (max: 59 mins) */
minute = ((utc_ptr[1] & 0x70) >> 4) * 10 + (utc_ptr[1] & 0x0F);
/* first digit of seconds cannot exceed 5 (max: 59 seconds) */
second = ((utc_ptr[2] & 0x70) >> 4) * 10 + (utc_ptr[2] & 0x0F);
/* Time is UTC */
return gst_date_time_new (0.0, year, month, day, hour, minute,
@ -102,6 +105,7 @@ _gst_mpegts_eit_event_copy (GstMpegTsEITEvent * eit)
static void
_gst_mpegts_eit_event_free (GstMpegTsEITEvent * eit)
{
if (eit->start_time)
gst_date_time_unref (eit->start_time);
g_array_unref (eit->descriptors);
g_slice_free (GstMpegTsEITEvent, eit);
@ -703,6 +707,7 @@ _gst_mpegts_tot_copy (GstMpegTsTOT * tot)
static void
_gst_mpegts_tot_free (GstMpegTsTOT * tot)
{
if (tot->utc_time)
gst_date_time_unref (tot->utc_time);
g_array_unref (tot->descriptors);
g_slice_free (GstMpegTsTOT, tot);

10
tests/examples/mpegts/ts-parser.c
View file

@ -259,9 +259,10 @@ dump_eit (GstMpegTsSection * section)
len = eit->events->len;
g_printf (" %d Event(s):\n", len);
for (i = 0; i < len; i++) {
gchar *tmp;
gchar *tmp = (gchar *) "<NO TIME>";
GstMpegTsEITEvent *event = g_ptr_array_index (eit->events, i);
if (event->start_time)
tmp = gst_date_time_to_iso8601_string (event->start_time);
g_printf (" event_id:0x%04x, start_time:%s, duration:%"
GST_TIME_FORMAT "\n", event->event_id, tmp,
@ -270,6 +271,7 @@ dump_eit (GstMpegTsSection * section)
event->running_status, enum_name (GST_TYPE_MPEG_TS_RUNNING_STATUS,
event->running_status), event->free_CA_mode,
event->free_CA_mode ? "MAYBE SCRAMBLED" : "NOT SCRAMBLED");
if (event->start_time)
g_free (tmp);
dump_descriptors (event->descriptors, 9);
}
@ -331,11 +333,15 @@ static void
dump_tdt (GstMpegTsSection * section)
{
GstDateTime *date = gst_mpegts_section_get_tdt (section);
gchar *str = gst_date_time_to_iso8601_string (date);
if (date) {
gchar *str = gst_date_time_to_iso8601_string (date);
g_printf (" utc_time : %s\n", str);
g_free (str);
gst_date_time_unref (date);
} else {
g_printf (" No utc_time present\n");
}
}
static void