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mpegts: add service list descriptor

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=728364
This commit is contained in:
Stefan Ringel 2014-04-17 14:54:28 +02:00 committed by Edward Hervey
parent 93ba600ba9
commit 570f78df79
3 changed files with 67 additions and 0 deletions
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3
docs/libs/gst-plugins-bad-libs-sections.txt
View file

@ -320,6 +320,9 @@ gst_mpegts_descriptor_parse_dvb_parental_rating
gst_mpegts_descriptor_parse_dvb_stream_identifier
<SUBSECTION ca_identifier>
gst_mpegts_descriptor_parse_dvb_ca_identifier
<SUBSECTION service_list>
GstMpegTsDVBServiceListItem
gst_mpegts_descriptor_parse_dvb_service_list
<SUBSECTION Standard>
GST_TYPE_MPEG_TSDVB_CODE_RATE
gst_mpegts_dvb_code_rate_get_type

47
gst-libs/gst/mpegts/gst-dvb-descriptor.c
View file

@ -112,6 +112,53 @@ gst_mpegts_descriptor_from_dvb_network_name (const gchar * name)
return descriptor;
}
/* GST_MTS_DESC_DVB_SERVICE_LIST (0x41) */
static void
_gst_mpegts_dvb_service_list_item_free (GstMpegTsDVBServiceListItem * item)
{
g_slice_free (GstMpegTsDVBServiceListItem, item);
}
/**
* gst_mpegts_descriptor_parse_dvb_service_list:
* @descriptor: a %GST_MTS_DESC_DVB_SERVICE_LIST #GstMpegTsDescriptor
* @list: (out) (transfer full) (element-type GstMpegTsDVBServiceListItem):
* the list of services
*
* Parses out a list of services from the @descriptor:
*
* Returns: %TRUE if the parsing happened correctly, else %FALSE.
*/
gboolean
gst_mpegts_descriptor_parse_dvb_service_list (const GstMpegTsDescriptor *
descriptor, GPtrArray ** list)
{
guint8 *data, i;
g_return_val_if_fail (descriptor != NULL && list != NULL, FALSE);
/* a entry has 3 bytes, 2 for service id, 1 for service type */
__common_desc_checks (descriptor, GST_MTS_DESC_DVB_SERVICE_LIST, 3, FALSE);
data = (guint8 *) descriptor->data + 2;
*list = g_ptr_array_new_with_free_func ((GDestroyNotify)
_gst_mpegts_dvb_service_list_item_free);
for (i = 0; i < descriptor->length - 2; i += 3) {
GstMpegTsDVBServiceListItem *item =
g_slice_new0 (GstMpegTsDVBServiceListItem);
g_ptr_array_add (*list, item);
item->service_id = GST_READ_UINT16_BE (data);
data += 2;
item->type = *data;
data += 1;
}
return TRUE;
}
/* GST_MTS_DESC_DVB_SATELLITE_DELIVERY_SYSTEM (0x43) */
/**
* gst_mpegts_descriptor_parse_satellite_delivery_system:

17
gst-libs/gst/mpegts/gst-dvb-descriptor.h
View file

@ -330,6 +330,23 @@ GstMpegTsDescriptor *gst_mpegts_descriptor_from_dvb_service (GstMpegTsDVBService
const gchar * service_name,
const gchar * service_provider);
/* GST_MTS_DESC_DVB_SERVICE_LIST (0x41) */
typedef struct _GstMpegTsDVBServiceListItem GstMpegTsDVBServiceListItem;
/**
* GstMpegTsDVBServiceListItem:
* @service_id: the id of a service
* @type: the type of a service
*/
struct _GstMpegTsDVBServiceListItem
{
guint16 service_id;
GstMpegTsDVBServiceType type;
};
gboolean gst_mpegts_descriptor_parse_dvb_service_list (const GstMpegTsDescriptor * descriptor,
GPtrArray ** list);
/* GST_MTS_DESC_DVB_LINKAGE (0x4A) */
/**
* GstMpegTsDVBLinkageType: