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ghostpad: remove custom function

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Remove custom pad functions, the default ones are better.
This commit is contained in:
Wim Taymans 2012-07-18 17:35:58 +02:00
parent 06addca012
commit 961151e569
3 changed files with 3 additions and 244 deletions
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234
gst/gstghostpad.c
View file

@ -66,167 +66,6 @@ G_DEFINE_TYPE (GstProxyPad, gst_proxy_pad, GST_TYPE_PAD);
static GstPad *gst_proxy_pad_get_target (GstPad * pad);
/**
* gst_proxy_pad_event_default:
* @pad: a #GstPad to push the event to.
* @parent: the parent of @pad or NULL
* @event: (transfer full): the #GstEvent to send to the pad.
*
* Invoke the default event of the proxy pad.
*
* Returns: TRUE if the event was handled.
*/
gboolean
gst_proxy_pad_event_default (GstPad * pad, GstObject * parent, GstEvent * event)
{
gboolean res;
GstPad *internal;
g_return_val_if_fail (GST_IS_PROXY_PAD (pad), FALSE);
g_return_val_if_fail (GST_IS_EVENT (event), FALSE);
internal = GST_PROXY_PAD_INTERNAL (pad);
res = gst_pad_push_event (internal, event);
return res;
}
static gboolean
gst_proxy_pad_query_caps (GstPad * pad, GstQuery * query)
{
gboolean res;
GstPad *target;
GstCaps *result;
GstPadTemplate *templ;
g_return_val_if_fail (GST_IS_PROXY_PAD (pad), FALSE);
templ = GST_PAD_PAD_TEMPLATE (pad);
target = gst_proxy_pad_get_target (pad);
if (target) {
/* if we have a real target, proxy the call */
res = gst_pad_query (target, query);
GST_DEBUG_OBJECT (pad, "get caps of target %s:%s : %" GST_PTR_FORMAT,
GST_DEBUG_PAD_NAME (target), query);
gst_object_unref (target);
/* filter against the template */
if (templ && res) {
GstCaps *filt, *tmp;
filt = GST_PAD_TEMPLATE_CAPS (templ);
if (filt) {
gst_query_parse_caps_result (query, &result);
tmp = gst_caps_intersect_full (result, filt, GST_CAPS_INTERSECT_FIRST);
gst_query_set_caps_result (query, tmp);
GST_DEBUG_OBJECT (pad,
"filtered against template gives %" GST_PTR_FORMAT, tmp);
gst_caps_unref (tmp);
}
}
} else {
GstCaps *filter;
res = TRUE;
gst_query_parse_caps (query, &filter);
/* else, if we have a template, use its caps. */
if (templ) {
result = GST_PAD_TEMPLATE_CAPS (templ);
GST_DEBUG_OBJECT (pad,
"using pad template %p with caps %p %" GST_PTR_FORMAT, templ, result,
result);
if (filter) {
GstCaps *intersection;
GST_DEBUG_OBJECT (pad, "intersect with filter");
intersection =
gst_caps_intersect_full (filter, result, GST_CAPS_INTERSECT_FIRST);
gst_query_set_caps_result (query, intersection);
gst_caps_unref (intersection);
} else {
gst_query_set_caps_result (query, result);
}
goto done;
}
/* If there's a filter, return that */
if (filter != NULL) {
GST_DEBUG_OBJECT (pad, "return filter");
gst_query_set_caps_result (query, filter);
goto done;
}
/* last resort, any caps */
GST_DEBUG_OBJECT (pad, "pad has no template, returning ANY");
result = gst_caps_new_any ();
gst_query_set_caps_result (query, result);
gst_caps_unref (result);
}
done:
return res;
}
/**
* gst_proxy_pad_query_default:
* @pad: a #GstPad to invoke the default query on.
* @parent: the parent of @pad or NULL
* @query: (transfer none): the #GstQuery to perform.
*
* Invoke the default query function of the proxy pad.
*
* Returns: TRUE if the query could be performed.
*/
gboolean
gst_proxy_pad_query_default (GstPad * pad, GstObject * parent, GstQuery * query)
{
gboolean res;
GstPad *target;
g_return_val_if_fail (GST_IS_PROXY_PAD (pad), FALSE);
g_return_val_if_fail (GST_IS_QUERY (query), FALSE);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CAPS:
{
if (GST_IS_GHOST_PAD (pad))
res = gst_proxy_pad_query_caps (pad, query);
else
res = gst_pad_peer_query (GST_PROXY_PAD_INTERNAL (pad), query);
break;
}
case GST_QUERY_ACCEPT_CAPS:
{
if (GST_IS_GHOST_PAD (pad)) {
target = gst_proxy_pad_get_target (pad);
if (target) {
res = gst_pad_query (target, query);
gst_object_unref (target);
} else {
GST_DEBUG_OBJECT (pad, "no target");
/* We don't have a target, we return TRUE and we assume that any future
* target will be able to deal with any configured caps. */
gst_query_set_accept_caps_result (query, TRUE);
res = TRUE;
}
break;
}
/* passthrough */
}
default:
{
res = gst_pad_peer_query (GST_PROXY_PAD_INTERNAL (pad), query);
break;
}
}
return res;
}
/**
* gst_proxy_pad_iterate_internal_links_default:
* @pad: the #GstPad to get the internal links of.
@ -380,29 +219,13 @@ gst_proxy_pad_get_internal (GstProxyPad * pad)
return GST_PROXY_PAD_CAST (internal);
}
/**
* gst_proxy_pad_unlink_default:
* @pad: a #GstPad to unlink
*
* Invoke the default unlink function of the proxy pad.
*/
void
gst_proxy_pad_unlink_default (GstPad * pad)
{
/* nothing to do anymore */
GST_DEBUG_OBJECT (pad, "pad is unlinked");
}
static void
gst_proxy_pad_class_init (GstProxyPadClass * klass)
{
g_type_class_add_private (klass, sizeof (GstProxyPadPrivate));
/* Register common function pointer descriptions */
GST_DEBUG_REGISTER_FUNCPTR (gst_proxy_pad_event_default);
GST_DEBUG_REGISTER_FUNCPTR (gst_proxy_pad_query_default);
GST_DEBUG_REGISTER_FUNCPTR (gst_proxy_pad_iterate_internal_links_default);
GST_DEBUG_REGISTER_FUNCPTR (gst_proxy_pad_unlink_default);
GST_DEBUG_REGISTER_FUNCPTR (gst_proxy_pad_chain_default);
GST_DEBUG_REGISTER_FUNCPTR (gst_proxy_pad_chain_list_default);
GST_DEBUG_REGISTER_FUNCPTR (gst_proxy_pad_getrange_default);
@ -416,12 +239,12 @@ gst_proxy_pad_init (GstProxyPad * ppad)
GST_PROXY_PAD_PRIVATE (ppad) = G_TYPE_INSTANCE_GET_PRIVATE (ppad,
GST_TYPE_PROXY_PAD, GstProxyPadPrivate);
gst_pad_set_event_function (pad, gst_proxy_pad_event_default);
gst_pad_set_query_function (pad, gst_proxy_pad_query_default);
gst_pad_set_iterate_internal_links_function (pad,
gst_proxy_pad_iterate_internal_links_default);
gst_pad_set_unlink_function (pad, gst_proxy_pad_unlink_default);
GST_PAD_SET_PROXY_CAPS (pad);
GST_PAD_SET_PROXY_SCHEDULING (pad);
GST_PAD_SET_PROXY_ALLOCATION (pad);
}
@ -614,52 +437,6 @@ gst_ghost_pad_activate_mode_default (GstPad * pad, GstObject * parent,
return res;
}
/**
* gst_ghost_pad_link_default:
* @pad: the #GstPad to link.
* @peer: the #GstPad peer
*
* Invoke the default link function of a ghost pad.
*
* Returns: #GstPadLinkReturn of the operation
*/
GstPadLinkReturn
gst_ghost_pad_link_default (GstPad * pad, GstPad * peer)
{
GstPadLinkReturn ret;
g_return_val_if_fail (GST_IS_GHOST_PAD (pad), GST_PAD_LINK_REFUSED);
g_return_val_if_fail (GST_IS_PAD (peer), GST_PAD_LINK_REFUSED);
GST_DEBUG_OBJECT (pad, "linking ghostpad");
ret = GST_PAD_LINK_OK;
/* if we are a source pad, we should call the peer link function
* if the peer has one, see design docs. */
if (GST_PAD_IS_SRC (pad)) {
if (GST_PAD_LINKFUNC (peer)) {
ret = GST_PAD_LINKFUNC (peer) (peer, pad);
if (ret != GST_PAD_LINK_OK)
GST_DEBUG_OBJECT (pad, "linking failed");
}
}
return ret;
}
/**
* gst_ghost_pad_unlink_default:
* @pad: the #GstPad to link.
*
* Invoke the default unlink function of a ghost pad.
*/
void
gst_ghost_pad_unlink_default (GstPad * pad)
{
g_return_if_fail (GST_IS_GHOST_PAD (pad));
GST_DEBUG_OBJECT (pad, "unlinking ghostpad");
}
static void
gst_ghost_pad_class_init (GstGhostPadClass * klass)
{
@ -671,7 +448,6 @@ gst_ghost_pad_class_init (GstGhostPadClass * klass)
GST_DEBUG_REGISTER_FUNCPTR (gst_ghost_pad_activate_pull_default);
GST_DEBUG_REGISTER_FUNCPTR (gst_ghost_pad_activate_push_default);
GST_DEBUG_REGISTER_FUNCPTR (gst_ghost_pad_link_default);
}
static void
@ -762,10 +538,6 @@ gst_ghost_pad_construct (GstGhostPad * gpad)
gst_pad_set_getrange_function (pad, gst_proxy_pad_getrange_default);
}
/* link/unlink functions */
gst_pad_set_link_function (pad, gst_ghost_pad_link_default);
gst_pad_set_unlink_function (pad, gst_ghost_pad_unlink_default);
/* INTERNAL PAD, it always exists and is child of the ghostpad */
otherdir = (dir == GST_PAD_SRC) ? GST_PAD_SINK : GST_PAD_SRC;
if (templ) {

8
gst/gstghostpad.h
View file

@ -62,10 +62,6 @@ GType gst_proxy_pad_get_type (void);
GstProxyPad* gst_proxy_pad_get_internal (GstProxyPad *pad);
gboolean gst_proxy_pad_event_default (GstPad *pad, GstObject *parent,
GstEvent *event);
gboolean gst_proxy_pad_query_default (GstPad *pad, GstObject *parent,
GstQuery *query);
GstIterator* gst_proxy_pad_iterate_internal_links_default (GstPad *pad, GstObject *parent) G_GNUC_MALLOC;
GstFlowReturn gst_proxy_pad_chain_default (GstPad *pad, GstObject *parent,
GstBuffer *buffer);
@ -74,7 +70,6 @@ GstFlowReturn gst_proxy_pad_chain_list_default (GstPad *pad, G
GstFlowReturn gst_proxy_pad_getrange_default (GstPad *pad, GstObject *parent,
guint64 offset, guint size,
GstBuffer **buffer);
void gst_proxy_pad_unlink_default (GstPad * pad);
#define GST_TYPE_GHOST_PAD (gst_ghost_pad_get_type ())
#define GST_IS_GHOST_PAD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GHOST_PAD))
@ -122,9 +117,6 @@ gboolean gst_ghost_pad_set_target (GstGhostPad *gpad, GstPad *new
gboolean gst_ghost_pad_construct (GstGhostPad *gpad);
void gst_ghost_pad_unlink_default (GstPad * pad);
GstPadLinkReturn gst_ghost_pad_link_default (GstPad * pad, GstPad * peer);
gboolean gst_ghost_pad_activate_mode_default (GstPad * pad, GstObject * parent,
GstPadMode mode, gboolean active);

5
win32/common/libgstreamer.def
View file

@ -485,13 +485,11 @@ EXPORTS
gst_ghost_pad_get_target
gst_ghost_pad_get_type
gst_ghost_pad_internal_activate_mode_default
gst_ghost_pad_link_default
gst_ghost_pad_new
gst_ghost_pad_new_from_template
gst_ghost_pad_new_no_target
gst_ghost_pad_new_no_target_from_template
gst_ghost_pad_set_target
gst_ghost_pad_unlink_default
gst_init
gst_init_check
gst_init_get_option_group
@ -831,13 +829,10 @@ EXPORTS
gst_progress_type_get_type
gst_proxy_pad_chain_default
gst_proxy_pad_chain_list_default
gst_proxy_pad_event_default
gst_proxy_pad_get_internal
gst_proxy_pad_get_type
gst_proxy_pad_getrange_default
gst_proxy_pad_iterate_internal_links_default
gst_proxy_pad_query_default
gst_proxy_pad_unlink_default
gst_qos_type_get_type
gst_query_add_allocation_meta
gst_query_add_allocation_param