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funnel: add "forward-sticky-events" property

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It is useful to avoid sending sticky event on stream changes.

https://bugzilla.gnome.org/show_bug.cgi?id=749315
This commit is contained in:
Miguel París Díaz 2015-05-14 11:48:45 +02:00 committed by Sebastian Dröge
parent d596d574d9
commit c2e15651be
2 changed files with 55 additions and 1 deletions
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55
plugins/elements/gstfunnel.c
View file

@ -76,6 +76,14 @@ struct _GstFunnelPadClass
G_DEFINE_TYPE (GstFunnelPad, gst_funnel_pad, GST_TYPE_PAD); G_DEFINE_TYPE (GstFunnelPad, gst_funnel_pad, GST_TYPE_PAD);
#define DEFAULT_FORWARD_STICKY_EVENTS TRUE
enum
{
PROP_0,
PROP_FORWARD_STICKY_EVENTS
};
static void static void
gst_funnel_pad_class_init (GstFunnelPadClass * klass) gst_funnel_pad_class_init (GstFunnelPadClass * klass)
{ {
@ -117,6 +125,38 @@ static GstFlowReturn gst_funnel_sink_chain_list (GstPad * pad,
static gboolean gst_funnel_sink_event (GstPad * pad, GstObject * parent, static gboolean gst_funnel_sink_event (GstPad * pad, GstObject * parent,
GstEvent * event); GstEvent * event);
static void
gst_funnel_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstFunnel *funnel = GST_FUNNEL (object);
switch (prop_id) {
case PROP_FORWARD_STICKY_EVENTS:
funnel->forward_sticky_events = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_funnel_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstFunnel *funnel = GST_FUNNEL (object);
switch (prop_id) {
case PROP_FORWARD_STICKY_EVENTS:
g_value_set_boolean (value, funnel->forward_sticky_events);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void static void
gst_funnel_dispose (GObject * object) gst_funnel_dispose (GObject * object)
{ {
@ -144,8 +184,17 @@ gst_funnel_class_init (GstFunnelClass * klass)
GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass); GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
gobject_class->set_property = gst_funnel_set_property;
gobject_class->get_property = gst_funnel_get_property;
gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_funnel_dispose); gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_funnel_dispose);
g_object_class_install_property (gobject_class, PROP_FORWARD_STICKY_EVENTS,
g_param_spec_boolean ("forward-sticky-events", "Forward sticky events",
"Forward sticky events on stream changes",
DEFAULT_FORWARD_STICKY_EVENTS,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY));
gst_element_class_set_static_metadata (gstelement_class, gst_element_class_set_static_metadata (gstelement_class,
"Funnel pipe fitting", "Generic", "N-to-1 pipe fitting", "Funnel pipe fitting", "Generic", "N-to-1 pipe fitting",
"Olivier Crete <olivier.crete@collabora.co.uk>"); "Olivier Crete <olivier.crete@collabora.co.uk>");
@ -169,6 +218,8 @@ gst_funnel_init (GstFunnel * funnel)
gst_pad_use_fixed_caps (funnel->srcpad); gst_pad_use_fixed_caps (funnel->srcpad);
gst_element_add_pad (GST_ELEMENT (funnel), funnel->srcpad); gst_element_add_pad (GST_ELEMENT (funnel), funnel->srcpad);
funnel->forward_sticky_events = DEFAULT_FORWARD_STICKY_EVENTS;
} }
static GstPad * static GstPad *
@ -277,10 +328,12 @@ gst_funnel_sink_chain_object (GstPad * pad, GstFunnel * funnel,
GST_PAD_STREAM_LOCK (funnel->srcpad); GST_PAD_STREAM_LOCK (funnel->srcpad);
if (funnel->last_sinkpad != pad) { if ((funnel->last_sinkpad == NULL) || (funnel->forward_sticky_events
&& (funnel->last_sinkpad != pad))) {
gst_object_replace ((GstObject **) & funnel->last_sinkpad, gst_object_replace ((GstObject **) & funnel->last_sinkpad,
GST_OBJECT (pad)); GST_OBJECT (pad));
GST_DEBUG_OBJECT (pad, "Forwarding sticky events");
gst_pad_sticky_events_foreach (pad, forward_events, funnel->srcpad); gst_pad_sticky_events_foreach (pad, forward_events, funnel->srcpad);
} }

1
plugins/elements/gstfunnel.h
View file

@ -56,6 +56,7 @@ struct _GstFunnel {
GstPad *srcpad; GstPad *srcpad;
GstPad *last_sinkpad; GstPad *last_sinkpad;
gboolean forward_sticky_events;
}; };
struct _GstFunnelClass { struct _GstFunnelClass {