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udpsrc: improve caps handling

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Protect caps with the lock.
Don't push the caps event from the set_property function but mark the
pad for reconfiguration so that it will renegotiate and push the new
caps event in the streaming thread.
This commit is contained in:
Wim Taymans 2014-03-24 14:25:28 +01:00
parent 5e44fa3e31
commit d3c736c50f
1 changed files with 21 additions and 7 deletions
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28
gst/udp/gstudpsrc.c
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@ -370,15 +370,26 @@ static GstCaps *
gst_udpsrc_getcaps (GstBaseSrc * src, GstCaps * filter)
{
GstUDPSrc *udpsrc;
GstCaps *caps, *result;
udpsrc = GST_UDPSRC (src);
if (udpsrc->caps) {
return (filter) ? gst_caps_intersect_full (filter, udpsrc->caps,
GST_CAPS_INTERSECT_FIRST) : gst_caps_ref (udpsrc->caps);
GST_OBJECT_LOCK (src);
if ((caps = udpsrc->caps))
gst_caps_ref (caps);
GST_OBJECT_UNLOCK (src);
if (caps) {
if (filter) {
result = gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (caps);
} else {
result = caps;
}
} else {
return (filter) ? gst_caps_ref (filter) : gst_caps_new_any ();
result = (filter) ? gst_caps_ref (filter) : gst_caps_new_any ();
}
return result;
}
static GstFlowReturn
@ -656,9 +667,7 @@ gst_udpsrc_set_property (GObject * object, guint prop_id, const GValue * value,
case PROP_CAPS:
{
const GstCaps *new_caps_val = gst_value_get_caps (value);
GstCaps *new_caps;
GstCaps *old_caps;
if (new_caps_val == NULL) {
@ -667,11 +676,14 @@ gst_udpsrc_set_property (GObject * object, guint prop_id, const GValue * value,
new_caps = gst_caps_copy (new_caps_val);
}
GST_OBJECT_LOCK (udpsrc);
old_caps = udpsrc->caps;
udpsrc->caps = new_caps;
GST_OBJECT_UNLOCK (udpsrc);
if (old_caps)
gst_caps_unref (old_caps);
gst_pad_set_caps (GST_BASE_SRC (udpsrc)->srcpad, new_caps);
gst_pad_mark_reconfigure (GST_BASE_SRC_PAD (udpsrc));
break;
}
case PROP_SOCKET:
@ -734,7 +746,9 @@ gst_udpsrc_get_property (GObject * object, guint prop_id, GValue * value,
g_value_set_string (value, udpsrc->uri);
break;
case PROP_CAPS:
GST_OBJECT_LOCK (udpsrc);
gst_value_set_caps (value, udpsrc->caps);
GST_OBJECT_UNLOCK (udpsrc);
break;
case PROP_SOCKET:
g_value_set_object (value, udpsrc->socket);