mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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164 lines
4.6 KiB
C
164 lines
4.6 KiB
C
/* GStreamer
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* Copyright (C) 2004 Benjamin Otte <otte@gnome.org>
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* 2012 Stefan Sauer <ensonic@users.sf.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "visual.h"
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GST_DEBUG_CATEGORY (libvisual_debug);
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#define GST_CAT_DEFAULT (libvisual_debug)
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static void
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libvisual_log_handler (const char *message, const char *funcname, void *priv)
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{
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GST_CAT_LEVEL_LOG (libvisual_debug, (GstDebugLevel) GPOINTER_TO_INT (priv),
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NULL, "%s - %s", funcname, message);
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}
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/*
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* Replace invalid chars with _ in the type name
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*/
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static void
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make_valid_name (gchar * name)
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{
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static const gchar extra_chars[] = "-_+";
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gchar *p = name;
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for (; *p; p++) {
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gint valid = ((p[0] >= 'A' && p[0] <= 'Z') ||
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(p[0] >= 'a' && p[0] <= 'z') ||
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(p[0] >= '0' && p[0] <= '9') || strchr (extra_chars, p[0]));
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if (!valid)
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*p = '_';
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}
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}
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static gboolean
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gst_visual_actor_plugin_is_gl (VisObject * plugin, const gchar * name)
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{
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gboolean is_gl;
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gint depth;
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depth = VISUAL_ACTOR_PLUGIN (plugin)->vidoptions.depth;
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/* FIXME: how to figure this out correctly in 0.4? */
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is_gl = (depth & VISUAL_VIDEO_DEPTH_GL) == VISUAL_VIDEO_DEPTH_GL;
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if (!is_gl) {
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GST_DEBUG ("plugin %s is not a GL plugin (%d), registering", name, depth);
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} else {
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GST_DEBUG ("plugin %s is a GL plugin (%d), ignoring", name, depth);
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}
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return is_gl;
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}
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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guint i, count;
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VisList *list;
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GST_DEBUG_CATEGORY_INIT (libvisual_debug, "libvisual", 0,
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"libvisual audio visualisations");
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#ifdef LIBVISUAL_PLUGINSBASEDIR
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gst_plugin_add_dependency_simple (plugin, "HOME/.libvisual/actor",
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LIBVISUAL_PLUGINSBASEDIR "/actor", NULL, GST_PLUGIN_DEPENDENCY_FLAG_NONE);
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#endif
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visual_log_set_verboseness (VISUAL_LOG_VERBOSENESS_LOW);
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visual_log_set_info_handler (libvisual_log_handler,
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GINT_TO_POINTER (GST_LEVEL_INFO));
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visual_log_set_warning_handler (libvisual_log_handler,
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GINT_TO_POINTER (GST_LEVEL_WARNING));
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visual_log_set_critical_handler (libvisual_log_handler,
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GINT_TO_POINTER (GST_LEVEL_ERROR));
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visual_log_set_error_handler (libvisual_log_handler,
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GINT_TO_POINTER (GST_LEVEL_ERROR));
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if (!visual_is_initialized ())
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if (visual_init (NULL, NULL) != 0)
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return FALSE;
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list = visual_actor_get_list ();
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count = visual_collection_size (VISUAL_COLLECTION (list));
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for (i = 0; i < count; i++) {
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VisPluginRef *ref = visual_list_get (list, i);
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VisPluginData *visplugin = NULL;
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gboolean skip = FALSE;
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GType type;
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gchar *name;
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GTypeInfo info = {
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sizeof (GstVisualClass),
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NULL,
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NULL,
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gst_visual_class_init,
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NULL,
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ref,
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sizeof (GstVisual),
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0,
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NULL
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};
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visplugin = visual_plugin_load (ref);
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if (ref->info->plugname == NULL)
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continue;
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/* Blacklist some plugins */
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if (strcmp (ref->info->plugname, "gstreamer") == 0 ||
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strcmp (ref->info->plugname, "gdkpixbuf") == 0) {
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skip = TRUE;
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} else {
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/* Ignore plugins that only support GL output for now */
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skip = gst_visual_actor_plugin_is_gl (visplugin->info->plugin,
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visplugin->info->plugname);
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}
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visual_plugin_unload (visplugin);
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if (!skip) {
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name = g_strdup_printf ("GstVisual%s", ref->info->plugname);
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make_valid_name (name);
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type = g_type_register_static (GST_TYPE_VISUAL, name, &info, 0);
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g_free (name);
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name = g_strdup_printf ("libvisual_%s", ref->info->plugname);
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make_valid_name (name);
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if (!gst_element_register (plugin, name, GST_RANK_NONE, type)) {
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g_free (name);
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return FALSE;
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}
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g_free (name);
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}
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}
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return TRUE;
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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libvisual,
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"libvisual visualization plugins",
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plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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