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the big autoplag coverup plus some further cleaning.

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Original commit message from CVS:
the big autoplag coverup plus some further cleaning.
Can someone tell me if this change violates some sort of API stability, or
was this meant to be an internal function anyway (and thus should it be
somehow removed from the .h) ?
This commit is contained in:
Thomas Vander Stichele 2002-10-01 12:14:13 +00:00
parent 8e96015d95
commit a21e2a2187
3 changed files with 28 additions and 21 deletions
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44
gst/autoplug/gstsearchfuncs.c
View file

@ -39,16 +39,16 @@ g_list_free_list_and_elements (GList *list)
g_list_free (list);
}
/**
* gst_autoplug_can_connect_src:
* @src: caps of the source
* @sink: caps of the sink
* gst_autoplug_caps_intersect:
* @src: a source #GstCaps
* @sink: the sink #GstCaps
*
* Checks if a factory's sink can connect to the given caps
* Checks if the given caps have a non-null intersection.
*
* Return: TRUE, if both caps intersect.
*/
gboolean
gst_autoplag_caps_intersect (GstCaps *src, GstCaps *sink)
gst_autoplug_caps_intersect (GstCaps *src, GstCaps *sink)
{
GstCaps *caps;
@ -56,7 +56,7 @@ gst_autoplag_caps_intersect (GstCaps *src, GstCaps *sink)
if ((src == NULL) && (sink == NULL))
return TRUE;
/* get an interection */
/* get an intersection */
caps = gst_caps_intersect (src, sink);
/* if the caps can't connect, there is no intersection */
@ -86,7 +86,7 @@ gst_autoplug_can_connect_src (GstElementFactory *fac, GstCaps *src)
while (templs)
{
if ((GST_PAD_TEMPLATE_DIRECTION (templs->data) == GST_PAD_SINK) && gst_autoplag_caps_intersect (src, GST_PAD_TEMPLATE_CAPS (templs->data)))
if ((GST_PAD_TEMPLATE_DIRECTION (templs->data) == GST_PAD_SINK) && gst_autoplug_caps_intersect (src, GST_PAD_TEMPLATE_CAPS (templs->data)))
{
return GST_PAD_TEMPLATE (templs->data);
}
@ -113,7 +113,7 @@ gst_autoplug_can_connect_sink (GstElementFactory *fac, GstCaps *sink)
while (templs)
{
if ((GST_PAD_TEMPLATE_DIRECTION (templs->data) == GST_PAD_SRC) && gst_autoplag_caps_intersect (GST_PAD_TEMPLATE_CAPS (templs->data), sink))
if ((GST_PAD_TEMPLATE_DIRECTION (templs->data) == GST_PAD_SRC) && gst_autoplug_caps_intersect (GST_PAD_TEMPLATE_CAPS (templs->data), sink))
{
return GST_PAD_TEMPLATE (templs->data);
}
@ -139,7 +139,7 @@ gst_autoplug_can_match (GstElementFactory *src, GstElementFactory *dest)
if (srctemp->direction == GST_PAD_SRC &&
desttemp->direction == GST_PAD_SINK) {
if (gst_autoplag_caps_intersect (gst_pad_template_get_caps (srctemp),
if (gst_autoplug_caps_intersect (gst_pad_template_get_caps (srctemp),
gst_pad_template_get_caps (desttemp))) {
GST_DEBUG (GST_CAT_AUTOPLUG_ATTEMPT,
"factory \"%s\" can connect with factory \"%s\"\n",
@ -307,14 +307,15 @@ gst_autoplug_factories_at_most_templates(GList *factories, GstPadDirection dir,
*/
/**
* gst_autoplug_sp:
* @srccaps: Caps to plug from
* @sinkcaps: Caps to plug to
* @factories: GList containing all allowed #GstElementFactory entries
* @srccaps: a #GstCaps to plug from.
* @sinkcaps: the #GstCaps to plug to.
* @factories: a #GList containing all allowed #GstElementFactory entries.
*
* main function
* Finds the shortest path of elements that together make up a possible
* connection between the source and sink caps.
*
* Returns: a GList of GstElementFactory items which have to be connected to get
* the shortest path.
* Returns: a #GList of #GstElementFactory items which have to be connected
* to get the shortest path.
*/
GList *
gst_autoplug_sp (GstCaps *srccaps, GstCaps *sinkcaps, GList *factories)
@ -326,7 +327,9 @@ gst_autoplug_sp (GstCaps *srccaps, GstCaps *sinkcaps, GList *factories)
g_return_val_if_fail (srccaps != NULL, NULL);
g_return_val_if_fail (sinkcaps != NULL, NULL);
GST_INFO (GST_CAT_AUTOPLUG_ATTEMPT, "attempting to autoplug via shortest path from %s to %s\n", gst_caps_get_mime (srccaps), gst_caps_get_mime (sinkcaps));
GST_INFO (GST_CAT_AUTOPLUG_ATTEMPT,
"attempting to autoplug via shortest path from %s to %s\n",
gst_caps_get_mime (srccaps), gst_caps_get_mime (sinkcaps));
/* wrap all factories as GstAutoplugNode
* initialize the cost */
while (factories)
@ -335,9 +338,11 @@ gst_autoplug_sp (GstCaps *srccaps, GstCaps *sinkcaps, GList *factories)
node->prev = NULL;
node->fac = (GstElementFactory *) factories->data;
node->templ = gst_autoplug_can_connect_src (node->fac, srccaps);
node->cost = (node->templ ? gst_autoplug_get_cost (node->fac) : GST_AUTOPLUG_MAX_COST);
node->cost = (node->templ ? gst_autoplug_get_cost (node->fac)
: GST_AUTOPLUG_MAX_COST);
node->endpoint = gst_autoplug_can_connect_sink (node->fac, sinkcaps);
if ((node->endpoint != NULL) && ((bestnode == NULL) || (node->cost < bestnode->cost)))
if ((node->endpoint != NULL) &&
((bestnode == NULL) || (node->cost < bestnode->cost)))
{
bestnode = node;
}
@ -350,7 +355,8 @@ gst_autoplug_sp (GstCaps *srccaps, GstCaps *sinkcaps, GList *factories)
/* check if we even have possible endpoints */
if (bestnode == NULL)
{
GST_DEBUG (GST_CAT_AUTOPLUG_ATTEMPT, "no factory found that could connect to sink caps");
GST_DEBUG (GST_CAT_AUTOPLUG_ATTEMPT,
"no factory found that could connect to sink caps");
g_list_free_list_and_elements (factory_nodes);
return NULL;
}

2
gst/autoplug/gstsearchfuncs.h
View file

@ -40,7 +40,7 @@ struct _GstAutoplugNode {
};
/* helper functions */
gboolean gst_autoplag_caps_intersect (GstCaps *src, GstCaps *sink);
gboolean gst_autoplug_caps_intersect (GstCaps *src, GstCaps *sink);
GstPadTemplate * gst_autoplug_can_connect_src (GstElementFactory *fac, GstCaps *src);
GstPadTemplate * gst_autoplug_can_connect_sink (GstElementFactory *fac, GstCaps *sink);
GstPadTemplate * gst_autoplug_can_match (GstElementFactory *src, GstElementFactory *dest);

3
gst/autoplug/gstspider.c
View file

@ -635,7 +635,8 @@ gst_spider_plug_from_srcpad (GstSpiderConnection *conn, GstPad *srcpad)
GstElement *startelement = conn->current;
g_assert ((GstElement *) GST_OBJECT_PARENT (srcpad) == conn->current);
GST_DEBUG (GST_CAT_AUTOPLUG_ATTEMPT, "trying to plug from %s:%s to %s", GST_DEBUG_PAD_NAME (srcpad), GST_ELEMENT_NAME (conn->src));
GST_DEBUG (GST_CAT_AUTOPLUG_ATTEMPT, "trying to plug from %s:%s to %s",
GST_DEBUG_PAD_NAME (srcpad), GST_ELEMENT_NAME (conn->src));
/* find a path from src to sink */
/* FIXME: make that if go away and work anyway */