mpegts: use getter for egde linkage descriptor type

https://bugzilla.gnome.org/show_bug.cgi?id=730914

2 files changed, 59 insertions, 2 deletions

diff --git a/gst-libs/gst/mpegts/gst-dvb-descriptor.c b/gst-libs/gst/mpegts/gst-dvb-descriptor.c
index b18e90c82..52638fefc 100644
--- a/gst-libs/gst/mpegts/gst-dvb-descriptor.c
+++ b/gst-libs/gst/mpegts/gst-dvb-descriptor.c
@@ -770,6 +770,57 @@ fail:
   return FALSE;
 }
 
+/**
+ * gst_mpegts_dvb_linkage_descriptor_get_mobile_hand_over:
+ * @desc: the #GstMpegtsDVBLinkageDescriptor
+ *
+ * Returns: The #GstMpegtsDVBLinkageMobileHandOver or %NULL if an error happened
+ */
+const GstMpegtsDVBLinkageMobileHandOver *
+gst_mpegts_dvb_linkage_descriptor_get_mobile_hand_over (const
+    GstMpegtsDVBLinkageDescriptor * desc)
+{
+  g_return_val_if_fail (desc != NULL, NULL);
+  g_return_val_if_fail (desc->linkage_type ==
+      GST_MPEGTS_DVB_LINKAGE_MOBILE_HAND_OVER, NULL);
+
+  return (const GstMpegtsDVBLinkageMobileHandOver *) desc->linkage_data;
+}
+
+/**
+ * gst_mpegts_dvb_linkage_descriptor_get_event:
+ * @desc: the #GstMpegtsDVBLinkageDescriptor
+ *
+ * Returns: The #GstMpegtsDVBLinkageEvent or %NULL if an error happened
+ */
+const GstMpegtsDVBLinkageEvent *
+gst_mpegts_dvb_linkage_descriptor_get_event (const GstMpegtsDVBLinkageDescriptor
+    * desc)
+{
+  g_return_val_if_fail (desc != NULL, NULL);
+  g_return_val_if_fail (desc->linkage_type ==
+      GST_MPEGTS_DVB_LINKAGE_EVENT, NULL);
+
+  return (const GstMpegtsDVBLinkageEvent *) desc->linkage_data;
+}
+
+/**
+ * gst_mpegts_dvb_linkage_descriptor_get_extended_event:
+ * @desc: the #GstMpegtsDVBLinkageDescriptor
+ *
+ * Returns: (element-type GstMpegtsDVBLinkageExtendedEvent): an #GstMpegtsDVBLinkageExtendedEvent array or %NULL if an error happened
+ */
+const GPtrArray *
+gst_mpegts_dvb_linkage_descriptor_get_extended_event (const
+    GstMpegtsDVBLinkageDescriptor * desc)
+{
+  g_return_val_if_fail (desc != NULL, NULL);
+  g_return_val_if_fail (desc->linkage_type ==
+      GST_MPEGTS_DVB_LINKAGE_EXTENDED_EVENT, NULL);
+
+  return (const GPtrArray *) desc->linkage_data;
+}
+
 /* GST_MTS_DESC_DVB_SHORT_EVENT (0x4D) */
 /**
  * gst_mpegts_descriptor_parse_dvb_short_event:
diff --git a/gst-libs/gst/mpegts/gst-dvb-descriptor.h b/gst-libs/gst/mpegts/gst-dvb-descriptor.h
index b03f3283e..ac7d9d408 100644
--- a/gst-libs/gst/mpegts/gst-dvb-descriptor.h
+++ b/gst-libs/gst/mpegts/gst-dvb-descriptor.h
@@ -434,7 +434,6 @@ struct _GstMpegtsDVBLinkageExtendedEvent
  * @original_network_id: the original network id
  * @service_id: the service id
  * @linkage_type: the type which %linkage_data has
- * @linkage_data: the linkage structure depending from %linkage_type
  * @private_data_length: the length for %private_data_bytes
  * @private_data_bytes: additional data bytes
  */
@@ -444,7 +443,9 @@ struct _GstMpegtsDVBLinkageDescriptor
   guint16                           original_network_id;
   guint16                           service_id;
   GstMpegtsDVBLinkageType           linkage_type;
+  /*< private >*/
   gpointer                          linkage_data;
+  /*< public >*/
   guint8                            private_data_length;
   guint8                            *private_data_bytes;
 };
@@ -454,7 +455,12 @@ struct _GstMpegtsDVBLinkageDescriptor
 GType gst_mpegts_dvb_linkage_descriptor_get_type (void);
 
 void gst_mpegts_dvb_linkage_descriptor_free (GstMpegtsDVBLinkageDescriptor * source);
-
+const GstMpegtsDVBLinkageMobileHandOver * gst_mpegts_dvb_linkage_descriptor_get_mobile_hand_over
+    (const GstMpegtsDVBLinkageDescriptor * desc);
+const GstMpegtsDVBLinkageEvent * gst_mpegts_dvb_linkage_descriptor_get_event
+    (const GstMpegtsDVBLinkageDescriptor * desc);
+const GPtrArray * gst_mpegts_dvb_linkage_descriptor_get_extended_event
+    (const GstMpegtsDVBLinkageDescriptor * desc);
 gboolean gst_mpegts_descriptor_parse_dvb_linkage (const GstMpegtsDescriptor * descriptor,
                                                   GstMpegtsDVBLinkageDescriptor ** res);