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deinterleave: implement a caps query handler for the sinkpad

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It was missing and apparently code relied on having it there
for not allowing a change in the number of channels
This commit is contained in:
Thiago Santos 2015-09-30 10:00:31 -03:00
parent ad5bc461c8
commit 74c05502f7
1 changed files with 31 additions and 3 deletions
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34
gst/interleave/deinterleave.c
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@ -134,6 +134,8 @@ gst_deinterleave_change_state (GstElement * element, GstStateChange transition);
static gboolean gst_deinterleave_sink_event (GstPad * pad, GstObject * parent,
GstEvent * event);
static gboolean gst_deinterleave_sink_query (GstPad * pad, GstObject * parent,
GstQuery * query);
static gboolean gst_deinterleave_src_query (GstPad * pad, GstObject * parent,
GstQuery * query);
@ -212,6 +214,8 @@ gst_deinterleave_init (GstDeinterleave * self)
GST_DEBUG_FUNCPTR (gst_deinterleave_chain));
gst_pad_set_event_function (self->sink,
GST_DEBUG_FUNCPTR (gst_deinterleave_sink_event));
gst_pad_set_query_function (self->sink,
GST_DEBUG_FUNCPTR (gst_deinterleave_sink_query));
gst_element_add_pad (GST_ELEMENT (self), self->sink);
}
@ -501,8 +505,7 @@ __set_channels (GstCaps * caps, gint channels)
}
static GstCaps *
gst_deinterleave_sink_getcaps (GstPad * pad, GstObject * parent,
GstCaps * filter)
gst_deinterleave_getcaps (GstPad * pad, GstObject * parent, GstCaps * filter)
{
GstDeinterleave *self = GST_DEINTERLEAVE (parent);
GstCaps *ret;
@ -614,6 +617,31 @@ gst_deinterleave_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
return ret;
}
static gboolean
gst_deinterleave_sink_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
gboolean res;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CAPS:{
GstCaps *filter;
GstCaps *caps;
gst_query_parse_caps (query, &filter);
caps = gst_deinterleave_getcaps (pad, parent, filter);
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
res = TRUE;
break;
}
default:
res = gst_pad_query_default (pad, parent, query);
break;
}
return res;
}
static gboolean
gst_deinterleave_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
@ -650,7 +678,7 @@ gst_deinterleave_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
GstCaps *filter, *caps;
gst_query_parse_caps (query, &filter);
caps = gst_deinterleave_sink_getcaps (pad, parent, filter);
caps = gst_deinterleave_getcaps (pad, parent, filter);
gst_query_set_caps_result (query, caps);
gst_caps_unref (caps);
}