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/* GStreamer
* Copyright (C) 2004 Benjamin Otte <otte@gnome.org>
* 2012 Stefan Sauer <ensonic@users.sf.net>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "visual.h"
GST_DEBUG_CATEGORY (libvisual_debug);
#define GST_CAT_DEFAULT (libvisual_debug)
static void
libvisual_log_handler (const char *message, const char *funcname, void *priv)
{
GST_CAT_LEVEL_LOG (libvisual_debug, (GstDebugLevel) GPOINTER_TO_INT (priv),
NULL, "%s - %s", funcname, message);
}
/*
* Replace invalid chars with _ in the type name
*/
static void
make_valid_name (gchar * name)
{
static const gchar extra_chars[] = "-_+";
gchar *p = name;
for (; *p; p++) {
gint valid = ((p[0] >= 'A' && p[0] <= 'Z') ||
(p[0] >= 'a' && p[0] <= 'z') ||
(p[0] >= '0' && p[0] <= '9') || strchr (extra_chars, p[0]));
if (!valid)
*p = '_';
}
}
static gboolean
gst_visual_actor_plugin_is_gl (VisObject * plugin, const gchar * name)
{
gboolean is_gl;
gint depth;
depth = VISUAL_ACTOR_PLUGIN (plugin)->vidoptions.depth;
/* FIXME: how to figure this out correctly in 0.4? */
is_gl = (depth & VISUAL_VIDEO_DEPTH_GL) == VISUAL_VIDEO_DEPTH_GL;
if (!is_gl) {
GST_DEBUG ("plugin %s is not a GL plugin (%d), registering", name, depth);
} else {
GST_DEBUG ("plugin %s is a GL plugin (%d), ignoring", name, depth);
}
return is_gl;
}
static gboolean
plugin_init (GstPlugin * plugin)
{
guint i, count;
VisList *list;
GST_DEBUG_CATEGORY_INIT (libvisual_debug, "libvisual", 0,
"libvisual audio visualisations");
#ifdef LIBVISUAL_PLUGINSBASEDIR
gst_plugin_add_dependency_simple (plugin, "HOME/.libvisual/actor",
LIBVISUAL_PLUGINSBASEDIR "/actor", NULL, GST_PLUGIN_DEPENDENCY_FLAG_NONE);
#endif
visual_log_set_verboseness (VISUAL_LOG_VERBOSENESS_LOW);
visual_log_set_info_handler (libvisual_log_handler,
GINT_TO_POINTER (GST_LEVEL_INFO));
visual_log_set_warning_handler (libvisual_log_handler,
GINT_TO_POINTER (GST_LEVEL_WARNING));
visual_log_set_critical_handler (libvisual_log_handler,
GINT_TO_POINTER (GST_LEVEL_ERROR));
visual_log_set_error_handler (libvisual_log_handler,
GINT_TO_POINTER (GST_LEVEL_ERROR));
if (!visual_is_initialized ())
if (visual_init (NULL, NULL) != 0)
return FALSE;
list = visual_actor_get_list ();
count = visual_collection_size (VISUAL_COLLECTION (list));
for (i = 0; i < count; i++) {
VisPluginRef *ref = visual_list_get (list, i);
VisPluginData *visplugin = NULL;
gboolean skip = FALSE;
GType type;
gchar *name;
GTypeInfo info = {
sizeof (GstVisualClass),
NULL,
NULL,
gst_visual_class_init,
NULL,
ref,
sizeof (GstVisual),
0,
NULL
};
visplugin = visual_plugin_load (ref);
if (ref->info->plugname == NULL)
continue;
/* Blacklist some plugins */
if (strcmp (ref->info->plugname, "gstreamer") == 0 ||
strcmp (ref->info->plugname, "gdkpixbuf") == 0) {
skip = TRUE;
} else {
/* Ignore plugins that only support GL output for now */
skip = gst_visual_actor_plugin_is_gl (visplugin->info->plugin,
visplugin->info->plugname);
}
visual_plugin_unload (visplugin);
if (!skip) {
name = g_strdup_printf ("GstVisual%s", ref->info->plugname);
make_valid_name (name);
type = g_type_register_static (GST_TYPE_VISUAL, name, &info, 0);
g_free (name);
name = g_strdup_printf ("libvisual_%s", ref->info->plugname);
make_valid_name (name);
if (!gst_element_register (plugin, name, GST_RANK_NONE, type)) {
g_free (name);
return FALSE;
}
g_free (name);
}
}
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
libvisual,
"libvisual visualization plugins",
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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