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libs/gst/base/gsttypefindhelper.c: Try typefinding factories with the highest rank first.

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Original commit message from CVS:
* libs/gst/base/gsttypefindhelper.c: (type_find_factory_rank_cmp),
(gst_type_find_helper):
Try typefinding factories with the highest rank first.
This commit is contained in:
Tim-Philipp Müller 2006-02-27 19:45:31 +00:00
parent cc13a984eb
commit aad2aa1288
2 changed files with 25 additions and 16 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2006-02-27 Tim-Philipp Müller <tim at centricular dot net>
* libs/gst/base/gsttypefindhelper.c: (type_find_factory_rank_cmp),
(gst_type_find_helper):
Try typefinding factories with the highest rank first.
2006-02-27 Tim-Philipp Müller <tim at centricular dot net>
* docs/libs/gstreamer-libs-docs.sgml:

35
libs/gst/base/gsttypefindhelper.c
View file

@ -40,9 +40,20 @@
#include "gsttypefindhelper.h"
/**
* typefind code here
*/
static gint
type_find_factory_rank_cmp (gconstpointer fac1, gconstpointer fac2)
{
if (GST_PLUGIN_FEATURE (fac1)->rank != GST_PLUGIN_FEATURE (fac2)->rank)
return GST_PLUGIN_FEATURE (fac2)->rank - GST_PLUGIN_FEATURE (fac1)->rank;
/* to make the order in which things happen more deterministic,
* sort by name when the ranks are the same. */
return strcmp (GST_PLUGIN_FEATURE_NAME (fac1),
GST_PLUGIN_FEATURE_NAME (fac2));
}
/* ********************** typefinding in pull mode ************************ */
typedef struct
{
GstPad *src;
@ -159,7 +170,9 @@ gst_type_find_helper (GstPad * src, guint64 size)
g_return_val_if_fail (src != NULL, NULL);
g_return_val_if_fail (GST_PAD_GETRANGEFUNC (src) != NULL, NULL);
walk = type_list = gst_type_find_factory_get_list ();
type_list = gst_type_find_factory_get_list ();
type_list = g_list_sort (type_list, type_find_factory_rank_cmp);
find.src = src;
find.best_probability = 0;
@ -171,6 +184,8 @@ gst_type_find_helper (GstPad * src, guint64 size)
gst_find.suggest = helper_find_suggest;
gst_find.get_length = NULL;
walk = type_list;
while (walk) {
GstTypeFindFactory *factory = GST_TYPE_FIND_FACTORY (walk->data);
@ -248,18 +263,6 @@ buf_helper_find_suggest (gpointer data, guint prob, const GstCaps * caps)
}
}
static gint
type_find_factory_rank_cmp (gconstpointer fac1, gconstpointer fac2)
{
if (GST_PLUGIN_FEATURE (fac1)->rank != GST_PLUGIN_FEATURE (fac2)->rank)
return GST_PLUGIN_FEATURE (fac2)->rank - GST_PLUGIN_FEATURE (fac1)->rank;
/* to make the order in which things happen more deterministic,
* sort by name when the ranks are the same. */
return strcmp (GST_PLUGIN_FEATURE_NAME (fac1),
GST_PLUGIN_FEATURE_NAME (fac2));
}
/**
* gst_type_find_helper_for_buffer:
* @obj: object doing the typefinding, or NULL (used for logging)