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-rw-r--r--gst/playback/gstfactorylists.c266
1 files changed, 0 insertions, 266 deletions
diff --git a/gst/playback/gstfactorylists.c b/gst/playback/gstfactorylists.c
deleted file mode 100644
index eb5fb4c0..00000000
--- a/gst/playback/gstfactorylists.c
+++ /dev/null
@@ -1,266 +0,0 @@
-/* GStreamer
- * Copyright (C) <2007> Wim Taymans <wim.taymans@gmail.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-#include <string.h>
-
-#include "gstfactorylists.h"
-
-typedef struct
-{
- GstFactoryListType type;
-} FilterData;
-
-/* function used to sort element features. We first sort on the rank, then
- * on the element name (to get a consistent, predictable list) */
-static gint
-compare_ranks (GValue * v1, GValue * v2)
-{
- gint diff;
- GstPluginFeature *f1, *f2;
-
- f1 = g_value_get_object (v1);
- f2 = g_value_get_object (v2);
-
- diff = f2->rank - f1->rank;
- if (diff != 0)
- return diff;
-
- diff = strcmp (f2->name, f1->name);
-
- return diff;
-}
-
-/* the filter function for selecting the elements we can use in
- * autoplugging */
-static gboolean
-decoders_filter (GstElementFactory * factory)
-{
- guint rank;
- const gchar *klass;
-
- klass = gst_element_factory_get_klass (factory);
- /* only demuxers, decoders, depayloaders and parsers can play */
- if (strstr (klass, "Demux") == NULL &&
- strstr (klass, "Decoder") == NULL &&
- strstr (klass, "Depayloader") == NULL &&
- strstr (klass, "Parse") == NULL) {
- return FALSE;
- }
-
- /* only select elements with autoplugging rank */
- rank = gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory));
- if (rank < GST_RANK_MARGINAL)
- return FALSE;
-
- return TRUE;
-}
-
-/* the filter function for selecting the elements we can use in
- * autoplugging */
-static gboolean
-sinks_filter (GstElementFactory * factory)
-{
- guint rank;
- const gchar *klass;
-
- klass = gst_element_factory_get_klass (factory);
- /* only sinks can play */
- if (strstr (klass, "Sink") == NULL) {
- return FALSE;
- }
-
- /* must be audio or video sink */
- if (strstr (klass, "Audio") == NULL && strstr (klass, "Video") == NULL) {
- return FALSE;
- }
-
- /* only select elements with autoplugging rank */
- rank = gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory));
- if (rank < GST_RANK_MARGINAL)
- return FALSE;
-
- return TRUE;
-}
-
-/**
- * gst_factory_list_is_type:
- * @factory: a #GstElementFactory
- * @type: a #GstFactoryListType
- *
- * Check if @factory if of the given types.
- *
- * Returns: %TRUE if @factory is of @type.
- */
-gboolean
-gst_factory_list_is_type (GstElementFactory * factory, GstFactoryListType type)
-{
- gboolean res = FALSE;
-
- if (!res && (type & GST_FACTORY_LIST_SINK))
- res = sinks_filter (factory);
- if (!res && (type & GST_FACTORY_LIST_DECODER))
- res = decoders_filter (factory);
-
- return res;
-}
-
-static gboolean
-element_filter (GstPluginFeature * feature, FilterData * data)
-{
- gboolean res;
-
- /* we only care about element factories */
- if (!GST_IS_ELEMENT_FACTORY (feature))
- return FALSE;
-
- res =
- gst_factory_list_is_type (GST_ELEMENT_FACTORY_CAST (feature), data->type);
-
- return res;
-}
-
-/**
- * gst_factory_list_get_elements:
- * @type: a #GstFactoryListType
- *
- * Get a sorted list of factories of @type.
- *
- * Returns: a #GValueArray of #GstElementFactory elements. Use
- * g_value_array_free() after usage.
- */
-GValueArray *
-gst_factory_list_get_elements (GstFactoryListType type)
-{
- GValueArray *result;
- GList *walk, *list;
- FilterData data;
-
- result = g_value_array_new (0);
-
- /* prepare type */
- data.type = type;
-
- /* get the feature list using the filter */
- list = gst_default_registry_feature_filter ((GstPluginFeatureFilter)
- element_filter, FALSE, &data);
-
- /* convert to an array */
- for (walk = list; walk; walk = g_list_next (walk)) {
- GstElementFactory *factory = GST_ELEMENT_FACTORY_CAST (walk->data);
- GValue val = { 0, };
-
- g_value_init (&val, G_TYPE_OBJECT);
- g_value_set_object (&val, factory);
- g_value_array_append (result, &val);
- g_value_unset (&val);
- }
- gst_plugin_feature_list_free (list);
-
- /* sort on rank and name */
- g_value_array_sort (result, (GCompareFunc) compare_ranks);
-
- return result;
-}
-
-/**
- * gst_factory_list_debug:
- * @array: an array of element factories
- *
- * Debug the element factory names in @array.
- */
-void
-gst_factory_list_debug (GValueArray * array)
-{
-#ifndef GST_DISABLE_GST_DEBUG
- gint i;
-
- for (i = 0; i < array->n_values; i++) {
- GValue *value;
- GstPluginFeature *feature;
-
- value = g_value_array_get_nth (array, i);
- feature = g_value_get_object (value);
-
- GST_DEBUG ("%s", gst_plugin_feature_get_name (feature));
- }
-#endif
-}
-
-/**
- * gst_factory_list_filter:
- * @array: a #GValueArray to filter
- * @caps: a #GstCaps
- *
- * Filter out all the elementfactories in @array that can handle @caps as
- * input.
- *
- * Returns: a #GValueArray of #GstElementFactory elements. Use
- * g_value_array_free() after usage.
- */
-GValueArray *
-gst_factory_list_filter (GValueArray * array, const GstCaps * caps)
-{
- GValueArray *result;
- gint i;
-
- result = g_value_array_new (0);
-
- GST_DEBUG ("finding factories");
-
- /* loop over all the factories */
- for (i = 0; i < array->n_values; i++) {
- GValue *value;
- GstElementFactory *factory;
- const GList *templates;
- GList *walk;
-
- value = g_value_array_get_nth (array, i);
- factory = g_value_get_object (value);
-
- /* get the templates from the element factory */
- templates = gst_element_factory_get_static_pad_templates (factory);
- for (walk = (GList *) templates; walk; walk = g_list_next (walk)) {
- GstStaticPadTemplate *templ = walk->data;
-
- /* we only care about the sink templates */
- if (templ->direction == GST_PAD_SINK) {
- GstCaps *tmpl_caps;
-
- /* try to intersect the caps with the caps of the template */
- tmpl_caps = gst_static_caps_get (&templ->static_caps);
-
- /* FIXME, intersect is not the right method, we ideally want to check
- * for a subset here */
-
- /* check if the intersection is empty */
- if (gst_caps_can_intersect (caps, tmpl_caps)) {
- /* non empty intersection, we can use this element */
- GValue resval = { 0, };
- g_value_init (&resval, G_TYPE_OBJECT);
- g_value_set_object (&resval, factory);
- g_value_array_append (result, &resval);
- g_value_unset (&resval);
- gst_caps_unref (tmpl_caps);
- break;
- }
- gst_caps_unref (tmpl_caps);
- }
- }
- }
- return result;
-}
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