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basesrc: Don't bother the subclass with setting the same caps multiple times

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This commit is contained in:
Sebastian Dröge 2014-11-09 10:29:57 +01:00
parent 969841f893
commit 674b555bec
1 changed files with 15 additions and 4 deletions
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19
libs/gst/base/gstbasesrc.c
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@ -906,16 +906,27 @@ gst_base_src_set_caps (GstBaseSrc * src, GstCaps * caps)
{
GstBaseSrcClass *bclass;
gboolean res = TRUE;
GstCaps *current_caps;
bclass = GST_BASE_SRC_GET_CLASS (src);
gst_base_src_send_stream_start (src);
if (bclass->set_caps)
res = bclass->set_caps (src, caps);
current_caps = gst_pad_get_current_caps (GST_BASE_SRC_PAD (src));
if (current_caps && gst_caps_is_equal (current_caps, caps)) {
GST_DEBUG_OBJECT (src, "New caps equal to old ones: %" GST_PTR_FORMAT,
caps);
res = TRUE;
} else {
if (bclass->set_caps)
res = bclass->set_caps (src, caps);
if (res)
res = gst_pad_push_event (src->srcpad, gst_event_new_caps (caps));
if (res)
res = gst_pad_push_event (src->srcpad, gst_event_new_caps (caps));
}
if (current_caps)
gst_caps_unref (current_caps);
return res;
}