Exemplo n.º 1
0
/*
 * Method: get_features(feature_type_or_plugin_name)
 * feature_type_or_plugin_name: a feature type or plugin name.
 *
 * Gets a list of all plugin features of the given type in the pool.
 *
 * Valid features types are Gst::AutoplugFactory, Gst::ElementFactory,
 * Gst::IndexFactory, Gst::SchedulerFactory and Gst::TypeFactory.
 *
 * Returns: an array of Gst::PluginFeature objects.
 */
static VALUE
rb_gst_registry_get_features(VALUE self, VALUE type_or_plugin_name)
{
    GList *list, *node;
    GType gtype;
    VALUE arr;

    if (RVAL2CBOOL(rb_obj_is_kind_of(type_or_plugin_name, rb_cString))) {
        list = gst_registry_get_feature_list_by_plugin(RGST_REGISTRY(self),
                                                       RVAL2CSTR(type_or_plugin_name));
    } else {
        gtype = CLASS2GTYPE(type_or_plugin_name);
        if (!is_valid_pluginfeature_type(gtype))
            rb_raise (rb_eArgError, "Invalid feature type.");

        list = gst_registry_get_feature_list(RGST_REGISTRY(self), gtype);
    }

    arr = rb_ary_new();
    for (node = list; node != NULL; node = g_list_next(node)) {
        rb_ary_push(arr, instanciate_pluginfeature(GST_PLUGIN_FEATURE(node->data)));
    }
    g_list_free (list);

    return arr;
}
static void
setup (void)
{
  GList *features, *f;
  GList *plugins, *p;
  gchar **ignorelist = NULL;
  const gchar *STATE_IGNORE_ELEMENTS = NULL;
  GstRegistry *def;

  GST_DEBUG ("getting elements for package %s", PACKAGE);
  STATE_IGNORE_ELEMENTS = g_getenv ("GST_STATE_IGNORE_ELEMENTS");
  if (!g_getenv ("GST_NO_STATE_IGNORE_ELEMENTS") && STATE_IGNORE_ELEMENTS) {
    GST_DEBUG ("Will ignore element factories: '%s'", STATE_IGNORE_ELEMENTS);
    ignorelist = g_strsplit (STATE_IGNORE_ELEMENTS, " ", 0);
  }

  def = gst_registry_get ();

  plugins = gst_registry_get_plugin_list (def);

  for (p = plugins; p; p = p->next) {
    GstPlugin *plugin = p->data;

    if (strcmp (gst_plugin_get_source (plugin), PACKAGE) != 0)
      continue;

    features =
        gst_registry_get_feature_list_by_plugin (def,
        gst_plugin_get_name (plugin));

    for (f = features; f; f = f->next) {
      GstPluginFeature *feature = f->data;
      const gchar *name = gst_plugin_feature_get_name (feature);
      gboolean ignore = FALSE;

      if (!GST_IS_ELEMENT_FACTORY (feature))
        continue;

      if (ignorelist) {
        gchar **s;

        for (s = ignorelist; s && *s; ++s) {
          if (g_str_has_prefix (name, *s)) {
            GST_DEBUG ("ignoring element %s", name);
            ignore = TRUE;
          }
        }
        if (ignore)
          continue;
      }

      GST_DEBUG ("adding element %s", name);
      elements = g_list_prepend (elements, (gpointer) g_strdup (name));
    }
    gst_plugin_feature_list_free (features);
  }
  gst_plugin_list_free (plugins);
  g_strfreev (ignorelist);
}
gint list_gaudieffects_features()
{
  GList *list, *walk;

  g_print("Available gaudieffects features :\n");
  list = gst_registry_get_feature_list_by_plugin(GET_PLUGIN_REGISTRY, "gaudieffects");
  for (walk = list; walk != NULL; walk = g_list_next(walk))
    g_print("feature: <%s>\n",
	    gst_plugin_feature_get_name((GstPluginFeature *)walk->data));

  gst_plugin_feature_list_free(list);

  return 0;
}
Exemplo n.º 4
0
void
iterate_plugins (GHashTable *hashtable)
{
    GList *plugins, *orig_plugins;

    orig_plugins = plugins = gst_default_registry_get_plugin_list ();
    while (plugins) 
    {
        GList *features, *orig_features;
        GstPlugin *plugin;

        plugin = (GstPlugin *) (plugins->data);
        plugins = g_list_next (plugins);

        if (plugin->flags & GST_PLUGIN_FLAG_BLACKLISTED) 
        {
            continue;
        }

        orig_features = features =
            gst_registry_get_feature_list_by_plugin (gst_registry_get_default (),
                                                     plugin->desc.name);
        while (features) 
        {
            GstPluginFeature *feature;

            if (G_UNLIKELY (features->data == NULL))
                goto next;

            feature = GST_PLUGIN_FEATURE (features->data);
            if (GST_IS_ELEMENT_FACTORY (feature)) 
            {
                GstElementFactory *factory;

                factory = GST_ELEMENT_FACTORY (feature);
                iterate_plugins_elements (factory, hashtable);
            }
            next:
                features = g_list_next (features);
        }

        gst_plugin_feature_list_free (orig_features);
    }

    gst_plugin_list_free (orig_plugins);
}
Exemplo n.º 5
0
static void
print_plugin (const gchar * marker, GstRegistry * registry, GstPlugin * plugin)
{
  const gchar *name;
  GList *features, *f;

  name = gst_plugin_get_name (plugin);

  GST_DEBUG ("%s: plugin %p %d %s file: %s", marker, plugin,
      GST_OBJECT_REFCOUNT (plugin), name,
      GST_STR_NULL (gst_plugin_get_filename (plugin)));

  features = gst_registry_get_feature_list_by_plugin (registry, name);
  for (f = features; f != NULL; f = f->next) {
    GstPluginFeature *feature;

    feature = GST_PLUGIN_FEATURE (f->data);

    GST_LOG ("%s:    feature: %p %s", marker, feature,
        GST_OBJECT_NAME (feature));
  }
  gst_plugin_feature_list_free (features);
}
Exemplo n.º 6
0
static void
print_element_list (gboolean print_all)
{
  int plugincount = 0, featurecount = 0, blacklistcount = 0;
  GList *plugins, *orig_plugins;

  orig_plugins = plugins = gst_registry_get_plugin_list (gst_registry_get ());
  while (plugins) {
    GList *features, *orig_features;
    GstPlugin *plugin;

    plugin = (GstPlugin *) (plugins->data);
    plugins = g_list_next (plugins);
    plugincount++;

    if (GST_OBJECT_FLAG_IS_SET (plugin, GST_PLUGIN_FLAG_BLACKLISTED)) {
      blacklistcount++;
      continue;
    }

    orig_features = features =
        gst_registry_get_feature_list_by_plugin (gst_registry_get (),
        gst_plugin_get_name (plugin));
    while (features) {
      GstPluginFeature *feature;

      if (G_UNLIKELY (features->data == NULL))
        goto next;
      feature = GST_PLUGIN_FEATURE (features->data);
      featurecount++;

      if (GST_IS_ELEMENT_FACTORY (feature)) {
        GstElementFactory *factory;

        factory = GST_ELEMENT_FACTORY (feature);
        if (print_all)
          print_element_info (factory, TRUE);
        else
          g_print ("%s:  %s: %s\n", gst_plugin_get_name (plugin),
              GST_OBJECT_NAME (factory),
              gst_element_factory_get_metadata (factory,
                  GST_ELEMENT_METADATA_LONGNAME));
      } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
        GstTypeFindFactory *factory;
        const gchar *const *extensions;

        factory = GST_TYPE_FIND_FACTORY (feature);
        if (!print_all)
          g_print ("%s: %s: ", gst_plugin_get_name (plugin),
              gst_plugin_feature_get_name (feature));

        extensions = gst_type_find_factory_get_extensions (factory);
        if (extensions != NULL) {
          guint i = 0;

          while (extensions[i]) {
            if (!print_all)
              g_print ("%s%s", i > 0 ? ", " : "", extensions[i]);
            i++;
          }
          if (!print_all)
            g_print ("\n");
        } else {
          if (!print_all)
            g_print ("no extensions\n");
        }
      } else {
        if (!print_all)
          n_print ("%s:  %s (%s)\n", gst_plugin_get_name (plugin),
              GST_OBJECT_NAME (feature), g_type_name (G_OBJECT_TYPE (feature)));
      }

    next:
      features = g_list_next (features);
    }

    gst_plugin_feature_list_free (orig_features);
  }

  gst_plugin_list_free (orig_plugins);

  g_print ("\n");
  g_print (_("Total count: "));
  g_print (ngettext ("%d plugin", "%d plugins", plugincount), plugincount);
  if (blacklistcount) {
    g_print (" (");
    g_print (ngettext ("%d blacklist entry", "%d blacklist entries",
            blacklistcount), blacklistcount);
    g_print (" not shown)");
  }
  g_print (", ");
  g_print (ngettext ("%d feature", "%d features", featurecount), featurecount);
  g_print ("\n");
}
Exemplo n.º 7
0
static void
print_plugin_features (GstPlugin * plugin)
{
  GList *features, *origlist;
  gint num_features = 0;
  gint num_elements = 0;
  gint num_tracers = 0;
  gint num_typefinders = 0;
  gint num_devproviders = 0;
  gint num_other = 0;

  origlist = features =
      gst_registry_get_feature_list_by_plugin (gst_registry_get (),
      gst_plugin_get_name (plugin));

  while (features) {
    GstPluginFeature *feature;

    feature = GST_PLUGIN_FEATURE (features->data);

    if (GST_IS_ELEMENT_FACTORY (feature)) {
      GstElementFactory *factory;

      factory = GST_ELEMENT_FACTORY (feature);
      n_print ("  %s: %s\n", GST_OBJECT_NAME (factory),
          gst_element_factory_get_metadata (factory,
              GST_ELEMENT_METADATA_LONGNAME));
      num_elements++;
    } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
      GstTypeFindFactory *factory;
      const gchar *const *extensions;

      factory = GST_TYPE_FIND_FACTORY (feature);
      extensions = gst_type_find_factory_get_extensions (factory);
      if (extensions) {
        guint i = 0;

        g_print ("  %s: %s: ", gst_plugin_get_name (plugin),
            gst_plugin_feature_get_name (feature));
        while (extensions[i]) {
          g_print ("%s%s", i > 0 ? ", " : "", extensions[i]);
          i++;
        }
        g_print ("\n");
      } else
        g_print ("  %s: %s: no extensions\n", gst_plugin_get_name (plugin),
            gst_plugin_feature_get_name (feature));

      num_typefinders++;
    } else if (GST_IS_DEVICE_PROVIDER_FACTORY (feature)) {
      GstDeviceProviderFactory *factory;

      factory = GST_DEVICE_PROVIDER_FACTORY (feature);
      n_print ("  %s: %s\n", GST_OBJECT_NAME (factory),
          gst_device_provider_factory_get_metadata (factory,
              GST_ELEMENT_METADATA_LONGNAME));
      num_devproviders++;
    } else if (GST_IS_TRACER_FACTORY (feature)) {
      n_print ("  %s (%s)\n", gst_object_get_name (GST_OBJECT (feature)),
          g_type_name (G_OBJECT_TYPE (feature)));
      num_tracers++;
    } else if (feature) {
      n_print ("  %s (%s)\n", gst_object_get_name (GST_OBJECT (feature)),
          g_type_name (G_OBJECT_TYPE (feature)));
      num_other++;
    }
    num_features++;
    features = g_list_next (features);
  }

  gst_plugin_feature_list_free (origlist);

  n_print ("\n");
  n_print ("  %d features:\n", num_features);
  if (num_elements > 0)
    n_print ("  +-- %d elements\n", num_elements);
  if (num_typefinders > 0)
    n_print ("  +-- %d typefinders\n", num_typefinders);
  if (num_devproviders > 0)
    n_print ("  +-- %d device providers\n", num_devproviders);
  if (num_tracers > 0)
    n_print ("  +-- %d tracers\n", num_tracers);
  if (num_other > 0)
    n_print ("  +-- %d other objects\n", num_other);

  n_print ("\n");
}
Exemplo n.º 8
0
static void
print_all_uri_handlers (void)
{
  GList *plugins, *p, *features, *f;

  plugins = gst_registry_get_plugin_list (gst_registry_get ());

  for (p = plugins; p; p = p->next) {
    GstPlugin *plugin = (GstPlugin *) (p->data);

    features =
        gst_registry_get_feature_list_by_plugin (gst_registry_get (),
        gst_plugin_get_name (plugin));

    for (f = features; f; f = f->next) {
      GstPluginFeature *feature = GST_PLUGIN_FEATURE (f->data);

      if (GST_IS_ELEMENT_FACTORY (feature)) {
        GstElementFactory *factory;
        GstElement *element;

        factory = GST_ELEMENT_FACTORY (gst_plugin_feature_load (feature));
        if (!factory) {
          g_print ("element plugin %s couldn't be loaded\n",
              gst_plugin_get_name (plugin));
          continue;
        }

        element = gst_element_factory_create (factory, NULL);
        if (!element) {
          g_print ("couldn't construct element for %s for some reason\n",
              GST_OBJECT_NAME (factory));
          gst_object_unref (factory);
          continue;
        }

        if (GST_IS_URI_HANDLER (element)) {
          const gchar *const *uri_protocols;
          const gchar *dir;
          gchar *joined;

          switch (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element))) {
            case GST_URI_SRC:
              dir = "read";
              break;
            case GST_URI_SINK:
              dir = "write";
              break;
            default:
              dir = "unknown";
              break;
          }

          uri_protocols =
              gst_uri_handler_get_protocols (GST_URI_HANDLER (element));
          joined = g_strjoinv (", ", (gchar **) uri_protocols);

          g_print ("%s (%s, rank %u): %s\n",
              gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory)), dir,
              gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory)),
              joined);

          g_free (joined);
        }

        gst_object_unref (element);
        gst_object_unref (factory);
      }
    }

    gst_plugin_feature_list_free (features);
  }

  gst_plugin_list_free (plugins);
}
Exemplo n.º 9
0
static void
print_element_list (gboolean print_all)
{
  int plugincount = 0, featurecount = 0;
  GList *plugins, *orig_plugins;

  orig_plugins = plugins = gst_default_registry_get_plugin_list ();
  while (plugins) {
    GList *features, *orig_features;
    GstPlugin *plugin;

    plugin = (GstPlugin *) (plugins->data);
    plugins = g_list_next (plugins);
    plugincount++;

    orig_features = features =
        gst_registry_get_feature_list_by_plugin (gst_registry_get_default (),
        plugin->desc.name);
    while (features) {
      GstPluginFeature *feature;

      feature = GST_PLUGIN_FEATURE (features->data);
      featurecount++;

      if (GST_IS_ELEMENT_FACTORY (feature)) {
        GstElementFactory *factory;

        factory = GST_ELEMENT_FACTORY (feature);
        if (print_all)
          print_element_info (factory, TRUE);
        else
          g_print ("%s:  %s: %s\n", plugin->desc.name,
              GST_PLUGIN_FEATURE_NAME (factory),
              gst_element_factory_get_longname (factory));
      } else if (GST_IS_INDEX_FACTORY (feature)) {
        GstIndexFactory *factory;

        factory = GST_INDEX_FACTORY (feature);
        if (!print_all)
          g_print ("%s:  %s: %s\n", plugin->desc.name,
              GST_PLUGIN_FEATURE_NAME (factory), factory->longdesc);
      } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
        GstTypeFindFactory *factory;

        factory = GST_TYPE_FIND_FACTORY (feature);
        if (!print_all)
          g_print ("%s: %s: ", plugin->desc.name,
              gst_plugin_feature_get_name (feature));
        if (factory->extensions) {
          guint i = 0;

          while (factory->extensions[i]) {
            if (!print_all)
              g_print ("%s%s", i > 0 ? ", " : "", factory->extensions[i]);
            i++;
          }
          if (!print_all)
            g_print ("\n");
        } else {
          if (!print_all)
            g_print ("no extensions\n");
        }
      } else {
        if (!print_all)
          n_print ("%s:  %s (%s)\n", plugin->desc.name,
              GST_PLUGIN_FEATURE_NAME (feature),
              g_type_name (G_OBJECT_TYPE (feature)));
      }

      features = g_list_next (features);
    }

    gst_plugin_feature_list_free (orig_features);
  }

  gst_plugin_list_free (orig_plugins);

  g_print ("\n");
  g_print (_("Total count: "));
  g_print (ngettext ("%d plugin", "%d plugins", plugincount), plugincount);
  g_print (", ");
  g_print (ngettext ("%d feature", "%d features", featurecount), featurecount);
  g_print ("\n");
}
Exemplo n.º 10
0
static void
print_plugin_features (GstPlugin * plugin)
{
  GList *features;
  gint num_features = 0;
  gint num_elements = 0;
  gint num_types = 0;
  gint num_indexes = 0;
  gint num_other = 0;

  features =
      gst_registry_get_feature_list_by_plugin (gst_registry_get_default (),
      plugin->desc.name);

  while (features) {
    GstPluginFeature *feature;

    feature = GST_PLUGIN_FEATURE (features->data);

    if (GST_IS_ELEMENT_FACTORY (feature)) {
      GstElementFactory *factory;

      factory = GST_ELEMENT_FACTORY (feature);
      n_print ("  %s: %s\n", GST_PLUGIN_FEATURE_NAME (factory),
          gst_element_factory_get_longname (factory));
      num_elements++;
    } else if (GST_IS_INDEX_FACTORY (feature)) {
      GstIndexFactory *factory;

      factory = GST_INDEX_FACTORY (feature);
      n_print ("  %s: %s\n", GST_OBJECT_NAME (factory), factory->longdesc);
      num_indexes++;
    } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
      GstTypeFindFactory *factory;

      factory = GST_TYPE_FIND_FACTORY (feature);
      if (factory->extensions) {
        guint i = 0;

        g_print ("%s: %s: ", plugin->desc.name,
            gst_plugin_feature_get_name (feature));
        while (factory->extensions[i]) {
          g_print ("%s%s", i > 0 ? ", " : "", factory->extensions[i]);
          i++;
        }
        g_print ("\n");
      } else
        g_print ("%s: %s: no extensions\n", plugin->desc.name,
            gst_plugin_feature_get_name (feature));

      num_types++;
    } else {
      n_print ("  %s (%s)\n", gst_object_get_name (GST_OBJECT (feature)),
          g_type_name (G_OBJECT_TYPE (feature)));
      num_other++;
    }
    num_features++;
    features = g_list_next (features);
  }
  n_print ("\n");
  n_print ("  %d features:\n", num_features);
  if (num_elements > 0)
    n_print ("  +-- %d elements\n", num_elements);
  if (num_types > 0)
    n_print ("  +-- %d types\n", num_types);
  if (num_indexes > 0)
    n_print ("  +-- %d indexes\n", num_indexes);
  if (num_other > 0)
    n_print ("  +-- %d other objects\n", num_other);

  n_print ("\n");
}