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completion-helper: Add filtering by klass and sink caps.

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This commit is contained in:
Mathieu Duponchelle 2015-02-23 21:17:16 +01:00
parent c3454a85c5
commit c2d483941d
1 changed files with 50 additions and 7 deletions
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57
libs/gst/helpers/gst-completion-helper.c
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@ -27,6 +27,7 @@
#include <gst/gst.h>
#include <glib.h>
#include <stdlib.h>
#include <string.h>
static GList *
get_pad_templates_info (GstElement * element, GstElementFactory * factory,
@ -96,8 +97,22 @@ _are_linkable (GstPluginFeature * feature, GList * caps_list)
return print;
}
static gboolean
_belongs_to_klass (GstElementFactory * factory, const gchar * klass)
{
const gchar *factory_klass;
factory_klass =
gst_element_factory_get_metadata (factory, GST_ELEMENT_METADATA_KLASS);
if (strstr (factory_klass, klass))
return TRUE;
return FALSE;
}
static void
_list_features (const gchar * compatible_with)
_list_features (const gchar * compatible_with, const gchar * klass,
GstCaps * sinkcaps)
{
GList *plugins, *orig_plugins;
GList *caps_list = NULL;
@ -132,6 +147,13 @@ _list_features (const gchar * compatible_with)
gboolean print = TRUE;
if (caps_list)
print = _are_linkable (feature, caps_list);
if (print && klass)
print = _belongs_to_klass (GST_ELEMENT_FACTORY (feature), klass);
if (print && sinkcaps)
print =
gst_element_factory_can_sink_any_caps (GST_ELEMENT_FACTORY
(feature), sinkcaps);
if (print)
g_print ("%s ", gst_plugin_feature_get_name (feature));
}
@ -182,6 +204,10 @@ main (int argc, char *argv[])
gboolean list_features = FALSE;
gchar *compatible_with = NULL;
gchar *element = NULL;
gchar *klass = NULL;
gchar *caps_str = NULL;
GstCaps *sinkcaps = NULL;
gint exit_code = EXIT_SUCCESS;
GOptionEntry options[] = {
{"list-features", 'l', 0, G_OPTION_ARG_NONE, &list_features,
@ -191,6 +217,10 @@ main (int argc, char *argv[])
NULL},
{"element-properties", '\0', 0, G_OPTION_ARG_STRING, &element,
"The element to list properties on", NULL},
{"klass", '\0', 0, G_OPTION_ARG_STRING, &klass,
"Only print the elements belonging to that klass", NULL},
{"sinkcaps", '\0', 0, G_OPTION_ARG_STRING, &caps_str,
"Only print the elements that can sink these caps", NULL},
{NULL}
};
@ -209,18 +239,31 @@ main (int argc, char *argv[])
}
g_option_context_free (ctx);
if (compatible_with) {
_list_features (compatible_with);
exit (EXIT_SUCCESS);
if (caps_str) {
sinkcaps = gst_caps_from_string (caps_str);
if (!sinkcaps) {
exit_code = EXIT_FAILURE;
goto done;
}
}
if (compatible_with || klass || sinkcaps) {
_list_features (compatible_with, klass, sinkcaps);
goto done;
}
if (element) {
_list_element_properties (element);
exit (EXIT_SUCCESS);
goto done;
}
if (list_features) {
_list_features (NULL);
exit (EXIT_SUCCESS);
_list_features (NULL, NULL, NULL);
goto done;
}
done:
if (sinkcaps)
gst_caps_unref (sinkcaps);
exit (exit_code);
}