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gst/mpegtsparse/: Parse the extended event descriptor.

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Original commit message from CVS:
* gst/mpegtsparse/gstmpegdesc.h:
* gst/mpegtsparse/mpegtspacketizer.c:
Parse the extended event descriptor.
This commit is contained in:
Zaheer Abbas Merali 2008-06-16 09:22:30 +00:00
parent b62583b216
commit 2e1ed2dcba
3 changed files with 55 additions and 0 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
2008-06-16 Zaheer Abbas Merali <zaheerabbas at merali dot org>
* gst/mpegtsparse/gstmpegdesc.h:
* gst/mpegtsparse/mpegtspacketizer.c:
Parse the extended event descriptor.
2008-06-16 Stefan Kost <ensonic@users.sf.net>
* gst/rtpmanager/gstrtpjitterbuffer.c:

9
gst/mpegtsparse/gstmpegdesc.h
View file

@ -266,6 +266,15 @@
#define DESC_DVB_SHORT_EVENT_description_text(desc) (desc + 6 + DESC_DVB_SHORT_EVENT_name_length(desc) + 1)
#define DESC_DVB_SHORT_EVENT_description_length(desc) (desc[6 + DESC_DVB_SHORT_EVENT_name_length(desc)])
/* DVB Extended Event Descriptor */
#define DESC_DVB_EXTENDED_EVENT_descriptor_number(desc) ((desc[2] & 0xF0) >> 4)
#define DESC_DVB_EXTENDED_EVENT_last_descriptor_number(desc) (desc[2] & 0x0F)
#define DESC_DVB_EXTENDED_EVENT_iso639_language_code(desc) (desc + 3)
#define DESC_DVB_EXTENDED_EVENT_items_length(desc) (desc[6])
#define DESC_DVB_EXTENDED_EVENT_items(desc) (desc + 7)
#define DESC_DVB_EXTENDED_EVENT_text_length(desc) (desc[6 + DESC_DVB_EXTENDED_EVENT_items_length(desc)])
#define DESC_DVB_EXTENDED_EVENT_text(desc) (desc + 6 + DESC_DVB_EXTENDED_EVENT_items_length(desc) + 1)
/* DVB Satellite Delivery System Descriptor */
#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_frequency(desc) (desc + 2)
#define DESC_DVB_SATELLITE_DELIVERY_SYSTEM_orbital_position(desc) (desc + 6)

40
gst/mpegtsparse/mpegtspacketizer.c
View file

@ -1419,6 +1419,7 @@ mpegts_packetizer_parse_eit (MpegTSPacketizer * packetizer,
if (descriptors_loop_length) {
guint8 *event_descriptor;
GArray *component_descriptors;
GArray *extended_event_descriptors;
GstMPEGDescriptor *mpegdescriptor;
if (data + descriptors_loop_length > end - 4) {
@ -1457,6 +1458,45 @@ mpegts_packetizer_parse_eit (MpegTSPacketizer * packetizer,
g_free (eventdescription_tmp);
}
}
extended_event_descriptors = gst_mpeg_descriptor_find_all (mpegdescriptor,
DESC_DVB_EXTENDED_EVENT);
if (extended_event_descriptors) {
int i;
guint8 *extended_descriptor;
/*GValue extended_items = { 0 }; */
gchar *extended_text = NULL;
/*g_value_init (&extended_items, GST_TYPE_LIST); */
for (i = 0; i < extended_event_descriptors->len; i++) {
extended_descriptor = g_array_index (extended_event_descriptors,
guint8 *, i);
if (DESC_DVB_EXTENDED_EVENT_descriptor_number (extended_descriptor) ==
i) {
if (extended_text) {
gchar *tmp;
gchar *old_extended_text = extended_text;
tmp =
g_strndup ((gchar *)
DESC_DVB_EXTENDED_EVENT_text (extended_descriptor),
DESC_DVB_EXTENDED_EVENT_text_length (extended_descriptor));
extended_text = g_strdup_printf ("%s%s", extended_text, tmp);
g_free (old_extended_text);
g_free (tmp);
} else {
extended_text =
g_strndup ((gchar *)
DESC_DVB_EXTENDED_EVENT_text (extended_descriptor),
DESC_DVB_EXTENDED_EVENT_text_length (extended_descriptor));
}
}
}
if (extended_text) {
gst_structure_set (event, "extended-text", G_TYPE_STRING,
extended_text, NULL);
g_free (extended_text);
}
g_array_free (extended_event_descriptors, TRUE);
}
component_descriptors = gst_mpeg_descriptor_find_all (mpegdescriptor,
DESC_DVB_COMPONENT);
if (component_descriptors) {