libs/gst/base/gstbasesrc.c: Push OOB events downstream when we get them in send_event. This allows the application to...

Original commit message from CVS:
* libs/gst/base/gstbasesrc.c: (gst_base_src_send_event):
Push OOB events downstream when we get them in send_event. This allows
the application to insert events in the pipeline.
Add some more comments.
This commit is contained in:
Wim Taymans 2007-09-13 23:53:48 +00:00
parent b155f59d19
commit 3336e1211a
2 changed files with 39 additions and 2 deletions

View file

@ -1,3 +1,10 @@
2007-09-13 Wim Taymans <wim.taymans@gmail.com>
* libs/gst/base/gstbasesrc.c: (gst_base_src_send_event):
Push OOB events downstream when we get them in send_event. This allows
the application to insert events in the pipeline.
Add some more comments.
2007-09-13 Wim Taymans <wim.taymans@gmail.com>
* gst/gstbin.c: (gst_bin_class_init), (clear_queue),

View file

@ -1262,7 +1262,8 @@ gst_base_src_get_query_types (GstElement * element)
return query_types;
}
/* all events send to this element directly
/* all events send to this element directly. This is mainly done from the
* application.
*/
static gboolean
gst_base_src_send_event (GstElement * element, GstEvent * event)
@ -1273,11 +1274,14 @@ gst_base_src_send_event (GstElement * element, GstEvent * event)
src = GST_BASE_SRC (element);
switch (GST_EVENT_TYPE (event)) {
/* bidirectional events */
case GST_EVENT_FLUSH_START:
case GST_EVENT_FLUSH_STOP:
/* sending random flushes downstream can break stuff,
* especially sync since all segment info will get flushed */
break;
/* downstream serialized events */
case GST_EVENT_EOS:
/* FIXME, queue EOS and make sure the task or pull function
* perform the EOS actions. */
@ -1286,9 +1290,15 @@ gst_base_src_send_event (GstElement * element, GstEvent * event)
/* sending random NEWSEGMENT downstream can break sync. */
break;
case GST_EVENT_TAG:
case GST_EVENT_BUFFERSIZE:
/* sending tags could be useful, FIXME insert in dataflow */
break;
case GST_EVENT_BUFFERSIZE:
/* does not seem to make much sense currently */
break;
/* upstream events */
case GST_EVENT_QOS:
/* elements should override send_event and do something */
break;
case GST_EVENT_SEEK:
{
@ -1319,6 +1329,26 @@ gst_base_src_send_event (GstElement * element, GstEvent * event)
break;
}
case GST_EVENT_NAVIGATION:
/* could make sense for elements that do something with navigation events
* but then they would need to override the send_event function */
break;
case GST_EVENT_LATENCY:
/* does not seem to make sense currently */
break;
/* custom events */
case GST_EVENT_CUSTOM_UPSTREAM:
/* override send_event if you want this */
break;
case GST_EVENT_CUSTOM_DOWNSTREAM:
case GST_EVENT_CUSTOM_BOTH:
/* FIXME, insert event in the dataflow */
break;
case GST_EVENT_CUSTOM_DOWNSTREAM_OOB:
case GST_EVENT_CUSTOM_BOTH_OOB:
/* insert a random custom event into the pipeline */
GST_DEBUG_OBJECT (src, "pushing custom OOB event downstream");
result = gst_pad_push_event (src->srcpad, event);
break;
default:
break;