winegstreamer: Use decodebin to initialize media streams.

dlls/winegstreamer/gst_cbs.c

@@ -359,3 +359,48 @@ gboolean bytestream_pad_event_process_wrapper(GstPad *pad, GstObject *parent, Gs
 
     return cbdata.u.event_src_data.ret;
 }
+
+GstBusSyncReply mf_src_bus_watch_wrapper(GstBus *bus, GstMessage *message, gpointer user)
+{
+    struct cb_data cbdata = { MF_SRC_BUS_WATCH };
+
+    cbdata.u.watch_bus_data.bus = bus;
+    cbdata.u.watch_bus_data.msg = message;
+    cbdata.u.watch_bus_data.user = user;
+
+    call_cb(&cbdata);
+
+    return cbdata.u.watch_bus_data.ret;
+}
+
+void mf_src_stream_added_wrapper(GstElement *bin, GstPad *pad, gpointer user)
+{
+    struct cb_data cbdata = { MF_SRC_STREAM_ADDED };
+
+    cbdata.u.pad_added_data.element = bin;
+    cbdata.u.pad_added_data.pad = pad;
+    cbdata.u.pad_added_data.user = user;
+
+    call_cb(&cbdata);
+}
+
+void mf_src_stream_removed_wrapper(GstElement *element, GstPad *pad, gpointer user)
+{
+    struct cb_data cbdata = { MF_SRC_STREAM_REMOVED };
+
+    cbdata.u.pad_removed_data.element = element;
+    cbdata.u.pad_removed_data.pad = pad;
+    cbdata.u.pad_removed_data.user = user;
+
+    call_cb(&cbdata);
+}
+
+void mf_src_no_more_pads_wrapper(GstElement *element, gpointer user)
+{
+    struct cb_data cbdata = { MF_SRC_NO_MORE_PADS };
+
+    cbdata.u.no_more_pads_data.element = element;
+    cbdata.u.no_more_pads_data.user = user;
+
+    call_cb(&cbdata);
+}

dlls/winegstreamer/gst_cbs.h

@@ -48,6 +48,10 @@ enum CB_TYPE {
     BYTESTREAM_QUERY,
     BYTESTREAM_PAD_MODE_ACTIVATE,
     BYTESTREAM_PAD_EVENT_PROCESS,
+    MF_SRC_BUS_WATCH,
+    MF_SRC_STREAM_ADDED,
+    MF_SRC_STREAM_REMOVED,
+    MF_SRC_NO_MORE_PADS,
     MEDIA_SOURCE_MAX,
 };
 
@@ -164,5 +168,9 @@ GstFlowReturn bytestream_wrapper_pull_wrapper(GstPad *pad, GstObject *parent, gu
 gboolean bytestream_query_wrapper(GstPad *pad, GstObject *parent, GstQuery *query) DECLSPEC_HIDDEN;
 gboolean bytestream_pad_mode_activate_wrapper(GstPad *pad, GstObject *parent, GstPadMode mode, gboolean activate) DECLSPEC_HIDDEN;
 gboolean bytestream_pad_event_process_wrapper(GstPad *pad, GstObject *parent, GstEvent *event) DECLSPEC_HIDDEN;
+GstBusSyncReply mf_src_bus_watch_wrapper(GstBus *bus, GstMessage *message, gpointer user) DECLSPEC_HIDDEN;
+void mf_src_stream_added_wrapper(GstElement *bin, GstPad *pad, gpointer user) DECLSPEC_HIDDEN;
+void mf_src_stream_removed_wrapper(GstElement *element, GstPad *pad, gpointer user) DECLSPEC_HIDDEN;
+void mf_src_no_more_pads_wrapper(GstElement *element, gpointer user) DECLSPEC_HIDDEN;
 
 #endif