/**
* Gives the previous actor plugin based on the name of a plugin but skips
* GL plugins.
*
* @see visual_actor_get_next_by_name_nogl
*
* @param name The name of the current plugin or NULL to get the last.
*
* @return The name of the previous plugin within the list that is not a GL plugin.
*/
const char *visual_actor_get_prev_by_name_nogl (const char *name)
{
const char *prev = name;
VisPluginData *plugin;
VisPluginRef *ref;
VisActorPlugin *actplugin;
int gl;
do {
prev = visual_plugin_get_prev_by_name (visual_actor_get_list (), prev);
if (prev == NULL)
return NULL;
ref = visual_plugin_find (__lv_plugins_actor, prev);
plugin = visual_plugin_load (ref);
actplugin = VISUAL_ACTOR_PLUGIN (plugin->info->plugin);
if ((actplugin->vidoptions.depth & VISUAL_VIDEO_DEPTH_GL) > 0)
gl = TRUE;
else
gl = FALSE;
visual_plugin_unload (plugin);
} while (gl == TRUE);
return prev;
}
/**
* Initializes a VisTransform, this will set the allocated flag for the object to FALSE. Should not
* be used to reset a VisTransform, or on a VisTransform created by visual_transform_new().
*
* @see visual_transform_new
*
* @param transform Pointer to the VisTransform that is initialized.
* @param transformname
* The name of the plugin to load, or NULL to simply initialize a new transform.
*
* @return VISUAL_OK on succes, -VISUAL_ERROR_TRANSFORM_NULL or -VISUAL_ERROR_PLUGIN_NO_LIST on failure.
*/
int visual_transform_init (VisTransform *transform, const char *transformname)
{
VisPluginRef *ref;
visual_log_return_val_if_fail (transform != NULL, -VISUAL_ERROR_TRANSFORM_NULL);
if (__lv_plugins_transform == NULL && transformname != NULL) {
visual_log (VISUAL_LOG_CRITICAL, _("the plugin list is NULL"));
return -VISUAL_ERROR_PLUGIN_NO_LIST;
}
/* Do the VisObject initialization */
visual_object_clear (VISUAL_OBJECT (transform));
visual_object_set_dtor (VISUAL_OBJECT (transform), transform_dtor);
visual_object_set_allocated (VISUAL_OBJECT (transform), FALSE);
/* Reset the VisTransform data */
transform->plugin = NULL;
transform->video = NULL;
transform->pal = NULL;
if (transformname == NULL)
return VISUAL_OK;
ref = visual_plugin_find (__lv_plugins_transform, transformname);
transform->plugin = visual_plugin_load (ref);
return VISUAL_OK;
}
int visual_transform_init (VisTransform *transform, const char *transformname)
{
visual_return_val_if_fail (transform != NULL, -VISUAL_ERROR_TRANSFORM_NULL);
if (transformname && !LV::transform_plugin_get_list ().empty ()) {
visual_log (VISUAL_LOG_ERROR, _("the plugin list is NULL"));
return -VISUAL_ERROR_PLUGIN_NO_LIST;
}
/* Do the VisObject initialization */
visual_object_clear (VISUAL_OBJECT (transform));
visual_object_set_dtor (VISUAL_OBJECT (transform), transform_dtor);
visual_object_set_allocated (VISUAL_OBJECT (transform), FALSE);
/* Reset the VisTransform data */
transform->plugin = NULL;
transform->video = NULL;
transform->pal = NULL;
if (transformname == NULL)
return VISUAL_OK;
if (!LV::PluginRegistry::instance()->has_plugin (VISUAL_PLUGIN_TYPE_TRANSFORM, transformname)) {
return -VISUAL_ERROR_PLUGIN_NOT_FOUND;
}
transform->plugin = visual_plugin_load (VISUAL_PLUGIN_TYPE_TRANSFORM, transformname);
return VISUAL_OK;
}
Morph::Morph (std::string const& name)
: m_impl (new Impl)
, m_ref_count (1)
{
if (!PluginRegistry::instance()->has_plugin (VISUAL_PLUGIN_TYPE_MORPH, name)) {
throw std::runtime_error {"Morph plugin not found"};
}
m_impl->plugin = visual_plugin_load (VISUAL_PLUGIN_TYPE_MORPH, name.c_str ());
if (!m_impl->plugin) {
throw std::runtime_error {"Failed to load morph plugin"};
}
m_impl->morphpal = new LV::Palette {256};
}
Actor::Actor (std::string const& name)
: m_impl {new Impl}
, m_ref_count {1}
{
if (!LV::PluginRegistry::instance()->has_plugin (VISUAL_PLUGIN_TYPE_ACTOR, name)) {
throw std::runtime_error {"Actor plugin not found"};
}
m_impl->plugin = visual_plugin_load (VISUAL_PLUGIN_TYPE_ACTOR, name.c_str ());
if (!m_impl->plugin) {
throw std::runtime_error {"Failed to load actor plugin"};
}
// FIXME: Hack to initialize songinfo
m_impl->get_actor_plugin ()->songinfo = new SongInfo {SONG_INFO_TYPE_NULL};
}
/**
* Initializes a VisActor, this will set the allocated flag for the object to FALSE. Should not
* be used to reset a VisActor, or on a VisActor created by visual_actor_new().
*
* @see visual_actor_new
*
* @param actor Pointer to the VisActor that is initialized.
* @param actorname
* The name of the plugin to load, or NULL to simply initialize a new actor.
*
* @return VISUAL_OK on succes, -VISUAL_ERROR_ACTOR_NULL or -VISUAL_ERROR_PLUGIN_NO_LIST on failure.
*/
int visual_actor_init (VisActor *actor, const char *actorname)
{
VisPluginRef *ref;
VisPluginEnviron *enve;
VisActorPluginEnviron *actenviron;
visual_log_return_val_if_fail (actor != NULL, -VISUAL_ERROR_ACTOR_NULL);
if (__lv_plugins_actor == NULL && actorname != NULL) {
visual_log (VISUAL_LOG_CRITICAL, _("the plugin list is NULL"));
return -VISUAL_ERROR_PLUGIN_NO_LIST;
}
/* Do the VisObject initialization */
visual_object_clear (VISUAL_OBJECT (actor));
visual_object_set_dtor (VISUAL_OBJECT (actor), actor_dtor);
visual_object_set_allocated (VISUAL_OBJECT (actor), FALSE);
/* Reset the VisActor data */
actor->plugin = NULL;
actor->video = NULL;
actor->transform = NULL;
actor->fitting = NULL;
actor->ditherpal = NULL;
visual_mem_set (&actor->songcompare, 0, sizeof (VisSongInfo));
if (actorname == NULL)
return VISUAL_OK;
ref = visual_plugin_find (__lv_plugins_actor, actorname);
actor->plugin = visual_plugin_load (ref);
/* Adding the VisActorPluginEnviron */
actenviron = visual_mem_new0 (VisActorPluginEnviron, 1);
visual_object_initialize (VISUAL_OBJECT (actenviron), TRUE, NULL);
enve = visual_plugin_environ_new (VISUAL_ACTOR_PLUGIN_ENVIRON, VISUAL_OBJECT (actenviron));
visual_plugin_environ_add (actor->plugin, enve);
return VISUAL_OK;
}
int visual_morph_init (VisMorph *morph, const char *morphname)
{
visual_return_val_if_fail (morph != NULL, -VISUAL_ERROR_MORPH_NULL);
if (morphname && get_morph_plugin_list ().empty ()) {
visual_log (VISUAL_LOG_ERROR, _("the plugin list is NULL"));
return -VISUAL_ERROR_PLUGIN_NO_LIST;
}
/* Do the VisObject initialization */
visual_object_clear (VISUAL_OBJECT (morph));
visual_object_set_dtor (VISUAL_OBJECT (morph), morph_dtor);
visual_object_set_allocated (VISUAL_OBJECT (morph), FALSE);
/* Reset the VisMorph data */
morph->plugin = NULL;
morph->dest = NULL;
morph->morphpal = visual_palette_new (256);
morph->morphtime = visual_time_new ();
morph->timer = visual_timer_new ();
visual_morph_set_rate (morph, 0);
visual_morph_set_steps (morph, 0);
morph->stepsdone = 0;
visual_morph_set_mode (morph, VISUAL_MORPH_MODE_SET);
if (morphname == NULL)
return VISUAL_OK;
if (!LV::PluginRegistry::instance()->has_plugin (VISUAL_PLUGIN_TYPE_MORPH, morphname)) {
return -VISUAL_ERROR_PLUGIN_NOT_FOUND;
}
morph->plugin = visual_plugin_load (VISUAL_PLUGIN_TYPE_MORPH, morphname);
return VISUAL_OK;
}
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, (void *) GST_LEVEL_INFO);
visual_log_set_warning_handler (libvisual_log_handler,
(void *) GST_LEVEL_WARNING);
visual_log_set_critical_handler (libvisual_log_handler,
(void *) GST_LEVEL_ERROR);
visual_log_set_error_handler (libvisual_log_handler,
(void *) GST_LEVEL_ERROR);
if (!visual_is_initialized ())
if (visual_init (NULL, NULL) != 0)
return FALSE;
list = visual_actor_get_list ();
#if !defined(VISUAL_API_VERSION)
count = visual_list_count (list);
#elif VISUAL_API_VERSION >= 4000 && VISUAL_API_VERSION < 5000
count = visual_collection_size (VISUAL_COLLECTION (list));
#endif
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;
}