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fsvalve: Add getcaps proxying to the valve

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This commit is contained in:
Olivier Crête 2008-12-10 17:00:33 -05:00 committed by Tim-Philipp Müller
parent 01fdde0876
commit a3d21f7147
1 changed files with 24 additions and 0 deletions
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24
plugins/elements/gstvalve.c
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@ -77,6 +77,7 @@ static gboolean gst_valve_event (GstPad *pad, GstEvent *event);
static GstFlowReturn gst_valve_buffer_alloc (GstPad * pad, guint64 offset, static GstFlowReturn gst_valve_buffer_alloc (GstPad * pad, guint64 offset,
guint size, GstCaps * caps, GstBuffer ** buf); guint size, GstCaps * caps, GstBuffer ** buf);
static GstFlowReturn gst_valve_chain (GstPad *pad, GstBuffer *buffer); static GstFlowReturn gst_valve_chain (GstPad *pad, GstBuffer *buffer);
static GstCaps *gst_valve_getcaps (GstPad *pad);
static void static void
_do_init (GType type) _do_init (GType type)
@ -127,6 +128,8 @@ gst_valve_init (GstValve *valve, GstValveClass *klass)
valve->discont = FALSE; valve->discont = FALSE;
valve->srcpad = gst_pad_new_from_static_template (&srctemplate, "src"); valve->srcpad = gst_pad_new_from_static_template (&srctemplate, "src");
gst_pad_set_getcaps_function (valve->srcpad,
GST_DEBUG_FUNCPTR (gst_valve_getcaps));
gst_element_add_pad (GST_ELEMENT (valve), valve->srcpad); gst_element_add_pad (GST_ELEMENT (valve), valve->srcpad);
valve->sinkpad = gst_pad_new_from_static_template (&sinktemplate, "sink"); valve->sinkpad = gst_pad_new_from_static_template (&sinktemplate, "sink");
@ -136,6 +139,8 @@ gst_valve_init (GstValve *valve, GstValveClass *klass)
GST_DEBUG_FUNCPTR (gst_valve_event)); GST_DEBUG_FUNCPTR (gst_valve_event));
gst_pad_set_bufferalloc_function (valve->sinkpad, gst_pad_set_bufferalloc_function (valve->sinkpad,
GST_DEBUG_FUNCPTR (gst_valve_buffer_alloc)); GST_DEBUG_FUNCPTR (gst_valve_buffer_alloc));
gst_pad_set_getcaps_function (valve->sinkpad,
GST_DEBUG_FUNCPTR (gst_valve_getcaps));
gst_element_add_pad (GST_ELEMENT (valve), valve->sinkpad); gst_element_add_pad (GST_ELEMENT (valve), valve->sinkpad);
} }
@ -260,3 +265,22 @@ GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
"fsvalve", "fsvalve",
"Valve", "Valve",
gst_valve_plugin_init, VERSION, "LGPL", "Farsight", "http://farsight.sf.net") gst_valve_plugin_init, VERSION, "LGPL", "Farsight", "http://farsight.sf.net")
static GstCaps *
gst_valve_getcaps (GstPad *pad)
{
GstValve *valve = GST_VALVE (gst_pad_get_parent (pad));
GstCaps *caps;
if (pad == valve->sinkpad)
caps = gst_pad_peer_get_caps (valve->srcpad);
else
caps = gst_pad_peer_get_caps (valve->sinkpad);
if (caps == NULL)
caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
gst_object_unref (valve);
return caps;
}