mpegtsbase: expose vmethod to let subclass handle sections

This can be used by tsdemux to handle and forward SCTE 35
sections.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>

diff --git a/subprojects/gst-plugins-bad/gst/mpegtsdemux/mpegtsbase.c b/subprojects/gst-plugins-bad/gst/mpegtsdemux/mpegtsbase.c
index cc567f0..1e48cbb 100644 (file)
--- a/subprojects/gst-plugins-bad/gst/mpegtsdemux/mpegtsbase.c
+++ b/subprojects/gst-plugins-bad/gst/mpegtsdemux/mpegtsbase.c
@@ -162,6 +162,7 @@ mpegts_base_class_init (MpegTSBaseClass * klass)
           G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   klass->sink_query = GST_DEBUG_FUNCPTR (mpegts_base_default_sink_query);
+  klass->handle_psi = NULL;
 
   gst_type_mark_as_plugin_api (GST_TYPE_MPEGTS_BASE, 0);
 }
@@ -1238,6 +1239,10 @@ mpegts_base_handle_psi (MpegTSBase * base, GstMpegtsSection * section)
       break;
   }
 
+  /* Give the subclass a chance to look at the section */
+  if (GST_MPEGTS_BASE_GET_CLASS (base)->handle_psi)
+    GST_MPEGTS_BASE_GET_CLASS (base)->handle_psi (base, section);
+
   /* Finally post message (if it wasn't corrupted) */
   if (post_message)
     gst_element_post_message (GST_ELEMENT_CAST (base),

diff --git a/subprojects/gst-plugins-bad/gst/mpegtsdemux/mpegtsbase.h b/subprojects/gst-plugins-bad/gst/mpegtsdemux/mpegtsbase.h
index 6b24128..65144c0 100644 (file)
--- a/subprojects/gst-plugins-bad/gst/mpegtsdemux/mpegtsbase.h
+++ b/subprojects/gst-plugins-bad/gst/mpegtsdemux/mpegtsbase.h
@@ -181,6 +181,7 @@ struct _MpegTSBaseClass {
   void (*inspect_packet) (MpegTSBase *base, MpegTSPacketizerPacket *packet);
   /* takes ownership of @event */
   gboolean (*push_event) (MpegTSBase *base, GstEvent * event);
+  void (*handle_psi) (MpegTSBase *base, GstMpegtsSection * section);
 
   /* program_started gets called when program's pmt arrives for first time */
   void (*program_started) (MpegTSBase *base, MpegTSBaseProgram *program);