/**
* 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;
}
/**
* Checks if the actor plugin is in the registry, based on it's name.
*
* @param name The name of the plugin that needs to be checked.
*
* @return TRUE if found, else FALSE.
*/
int visual_actor_valid_by_name (const char *name)
{
if (visual_plugin_find (__lv_plugins_actor, name) == NULL)
return FALSE;
else
return TRUE;
}
/**
* 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;
}
/* Internal functions */
int pipeline_from_preset (LVAVSPipelineContainer *container, LVAVSPresetContainer *presetcont)
{
VisListEntry *le = NULL;
LVAVSPresetElement *pelem;
LVAVSPipelineElement *element;
LVAVSPipelineContainer *cont;
VisPluginRef *ref;
LVAVSPipeline *pipeline = LVAVS_PIPELINE_ELEMENT(container)->pipeline;
while ((pelem = visual_list_next (presetcont->members, &le)) != NULL) {
switch (pelem->type) {
case LVAVS_PRESET_ELEMENT_TYPE_PLUGIN:
ref = visual_plugin_find (visual_plugin_get_registry (), pelem->element_name);
if (ref == NULL) {
visual_log (VISUAL_LOG_CRITICAL, "Requested plugin %s not in registry", pelem->element_name);
break;
}
if (ref->info == NULL) {
visual_log (VISUAL_LOG_CRITICAL, "Could not get VisPluginInfo for %s", pelem->element_name);
break;
}
/* FIXME fix libvisual type lookup and use the functions here */
if (strcmp (ref->info->type, VISUAL_PLUGIN_TYPE_ACTOR) == 0) {
element = lvavs_pipeline_element_new (LVAVS_PIPELINE_ELEMENT_TYPE_ACTOR);
element->data.actor = visual_actor_new (pelem->element_name);
visual_object_set_private(VISUAL_OBJECT(element->data.actor->plugin), pipeline);
} else if (strcmp (ref->info->type, VISUAL_PLUGIN_TYPE_MORPH) == 0) {
element = lvavs_pipeline_element_new (LVAVS_PIPELINE_ELEMENT_TYPE_MORPH);
element->data.morph = visual_morph_new (pelem->element_name);
visual_object_set_private(VISUAL_OBJECT(element->data.morph->plugin), pipeline);
} else if (strcmp (ref->info->type, VISUAL_PLUGIN_TYPE_TRANSFORM) == 0) {
element = lvavs_pipeline_element_new (LVAVS_PIPELINE_ELEMENT_TYPE_TRANSFORM);
element->data.transform = visual_transform_new (pelem->element_name);
visual_object_set_private(VISUAL_OBJECT(element->data.transform->plugin), pipeline);
} else {
printf("uknown type '%s' '%s'\n", ref->info->type, ref->info->name);
}
if (pelem->pcont != NULL) {
element->params = visual_param_container_new ();
visual_param_container_copy (element->params, pelem->pcont);
}
element->pipeline = LVAVS_PIPELINE_ELEMENT (container)->pipeline;
visual_list_add (container->members, element);
break;
case LVAVS_PRESET_ELEMENT_TYPE_CONTAINER:
cont = lvavs_pipeline_container_new ();
LVAVS_PIPELINE_ELEMENT(cont)->params = LVAVS_PIPELINE_ELEMENT(container)->params;
LVAVS_PIPELINE_ELEMENT(cont)->pipeline = LVAVS_PIPELINE_ELEMENT(container)->pipeline;
visual_list_add (container->members, cont);
pipeline_from_preset (cont, LVAVS_PRESET_CONTAINER (pelem));
break;
case LVAVS_PRESET_ELEMENT_TYPE_RENDERSTATE:
break;
case LVAVS_PRESET_ELEMENT_TYPE_COMMENT:
break;
case LVAVS_PRESET_ELEMENT_TYPE_BPM:
break;
case LVAVS_PRESET_ELEMENT_TYPE_STACK:
break;
default:
visual_log (VISUAL_LOG_CRITICAL, "Invalid LVAVSPresetElementType in LVAVSPresetElement");
break;
}
}
return VISUAL_OK;
}
bg_plugin_info_t * bg_lv_get_info(const char * filename)
{
int i;
VisVideoAttributeOptions *vidoptions;
bg_x11_window_t * win;
bg_plugin_info_t * ret;
VisPluginRef * ref;
VisList * list;
VisActor * actor;
VisPluginInfo * info;
char * tmp_string;
const char * actor_name = NULL;
check_init();
list = visual_plugin_get_registry();
/* Find out if there is a plugin matching the filename */
while((actor_name = visual_actor_get_next_by_name(actor_name)))
{
ref = visual_plugin_find(list, actor_name);
if(ref && !strcmp(ref->file, filename))
break;
}
if(!actor_name)
return NULL;
actor = visual_actor_new(actor_name);
if(!actor)
return NULL;
ret = calloc(1, sizeof(*ret));
info = visual_plugin_get_info(visual_actor_get_plugin(actor));
ret->name = bg_sprintf("vis_lv_%s", actor_name);
ret->long_name = gavl_strdup(info->name);
ret->type = BG_PLUGIN_VISUALIZATION;
ret->api = BG_PLUGIN_API_LV;
ret->description = bg_sprintf(TR("libvisual plugin"));
ret->module_filename = gavl_strdup(filename);
/* Optional info */
if(info->author && *info->author)
{
tmp_string = bg_sprintf(TR("\nAuthor: %s"),
info->author);
ret->description = gavl_strcat(ret->description, tmp_string);
free(tmp_string);
}
if(info->version && *info->version)
{
tmp_string = bg_sprintf(TR("\nVersion: %s"),
info->version);
ret->description = gavl_strcat(ret->description, tmp_string);
free(tmp_string);
}
if(info->about && *info->about)
{
tmp_string = bg_sprintf(TR("\nAbout: %s"),
info->about);
ret->description = gavl_strcat(ret->description, tmp_string);
free(tmp_string);
}
if(info->help && *info->help)
{
tmp_string = bg_sprintf(TR("\nHelp: %s"),
info->help);
ret->description = gavl_strcat(ret->description, tmp_string);
free(tmp_string);
}
if(info->license && *info->license)
{
tmp_string = bg_sprintf(TR("\nLicense: %s"),
info->license);
ret->description = gavl_strcat(ret->description, tmp_string);
free(tmp_string);
}
/* Check out if it's an OpenGL plugin */
if(visual_actor_get_supported_depth(actor) &
VISUAL_VIDEO_DEPTH_GL)
{
ret->flags |= BG_PLUGIN_VISUALIZE_GL;
win = bg_x11_window_create(NULL);
/* Create an OpenGL context. For this, we need the OpenGL attributes */
vidoptions = visual_actor_get_video_attribute_options(actor);
for(i = 0; i < VISUAL_GL_ATTRIBUTE_LAST; i++)
{
if((vidoptions->gl_attributes[i].mutated) && (bg_attributes[i] >= 0))
{
bg_x11_window_set_gl_attribute(win, bg_attributes[i],
vidoptions->gl_attributes[i].value);
}
}
/* Set bogus dimensions, will be corrected by the size_callback */
bg_x11_window_set_size(win, 640, 480);
bg_x11_window_realize(win);
if(!bg_x11_window_start_gl(win))
{
ret->flags |= BG_PLUGIN_UNSUPPORTED;
}
else
bg_x11_window_set_gl(win);
}
else
{
ret->flags |= BG_PLUGIN_VISUALIZE_FRAME;
win = NULL;
}
ret->priority = 1;
/* Must realize the actor to get the parameters */
if(!(ret->flags & BG_PLUGIN_UNSUPPORTED))
{
visual_actor_realize(actor);
ret->parameters =
create_parameters(actor, NULL, NULL);
visual_object_unref(VISUAL_OBJECT(actor));
}
if(win)
{
bg_x11_window_unset_gl(win);
bg_x11_window_stop_gl(win);
bg_x11_window_destroy(win);
}
return ret;
}
