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autoconvert: Implement iterate_internal_links function on the sinkpad and srcpad

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This commit is contained in:
Sebastian Dröge 2011-12-05 08:56:43 +01:00
parent 5b2c4c6c13
commit 2cdb069b9f
1 changed files with 32 additions and 0 deletions
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32
gst/autoconvert/gstautoconvert.c
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@ -103,6 +103,8 @@ static GstPad *gst_auto_convert_get_internal_sinkpad (GstAutoConvert *
static GstPad *gst_auto_convert_get_internal_srcpad (GstAutoConvert * static GstPad *gst_auto_convert_get_internal_srcpad (GstAutoConvert *
autoconvert); autoconvert);
static GstIterator *gst_auto_convert_iterate_internal_links (GstPad * pad);
static gboolean gst_auto_convert_sink_setcaps (GstPad * pad, GstCaps * caps); static gboolean gst_auto_convert_sink_setcaps (GstPad * pad, GstCaps * caps);
static GstCaps *gst_auto_convert_sink_getcaps (GstPad * pad); static GstCaps *gst_auto_convert_sink_getcaps (GstPad * pad);
static GstFlowReturn gst_auto_convert_sink_chain (GstPad * pad, static GstFlowReturn gst_auto_convert_sink_chain (GstPad * pad,
@ -231,6 +233,8 @@ gst_auto_convert_init (GstAutoConvert * autoconvert,
GST_DEBUG_FUNCPTR (gst_auto_convert_sink_query_type)); GST_DEBUG_FUNCPTR (gst_auto_convert_sink_query_type));
gst_pad_set_bufferalloc_function (autoconvert->sinkpad, gst_pad_set_bufferalloc_function (autoconvert->sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_sink_buffer_alloc)); GST_DEBUG_FUNCPTR (gst_auto_convert_sink_buffer_alloc));
gst_pad_set_iterate_internal_links_function (autoconvert->sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_iterate_internal_links));
gst_pad_set_event_function (autoconvert->srcpad, gst_pad_set_event_function (autoconvert->srcpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_src_event)); GST_DEBUG_FUNCPTR (gst_auto_convert_src_event));
@ -238,6 +242,8 @@ gst_auto_convert_init (GstAutoConvert * autoconvert,
GST_DEBUG_FUNCPTR (gst_auto_convert_src_query)); GST_DEBUG_FUNCPTR (gst_auto_convert_src_query));
gst_pad_set_query_type_function (autoconvert->srcpad, gst_pad_set_query_type_function (autoconvert->srcpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_src_query_type)); GST_DEBUG_FUNCPTR (gst_auto_convert_src_query_type));
gst_pad_set_iterate_internal_links_function (autoconvert->sinkpad,
GST_DEBUG_FUNCPTR (gst_auto_convert_iterate_internal_links));
gst_element_add_pad (GST_ELEMENT (autoconvert), autoconvert->sinkpad); gst_element_add_pad (GST_ELEMENT (autoconvert), autoconvert->sinkpad);
gst_element_add_pad (GST_ELEMENT (autoconvert), autoconvert->srcpad); gst_element_add_pad (GST_ELEMENT (autoconvert), autoconvert->srcpad);
@ -794,6 +800,32 @@ gst_auto_convert_activate_element (GstAutoConvert * autoconvert,
return TRUE; return TRUE;
} }
static GstIterator *
gst_auto_convert_iterate_internal_links (GstPad * pad)
{
GstAutoConvert *autoconvert = GST_AUTO_CONVERT (gst_pad_get_parent (pad));
GstIterator *it = NULL;
GstPad *internal;
if (!autoconvert)
return NULL;
if (pad == autoconvert->sinkpad)
internal = gst_auto_convert_get_internal_srcpad (autoconvert);
else
internal = gst_auto_convert_get_internal_sinkpad (autoconvert);
if (internal) {
it = gst_iterator_new_single (GST_TYPE_PAD, internal,
(GstCopyFunction) gst_object_ref, (GFreeFunc) gst_object_unref);
gst_object_unref (internal);
}
gst_object_unref (autoconvert);
return it;
}
/* /*
* If there is already an internal element, it will try to call set_caps on it * If there is already an internal element, it will try to call set_caps on it
* *