/**
* 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;
}
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;
}
/**
* Gives the previous actor plugin based on the name of a plugin.
*
* @see visual_actor_get_next_by_name
*
* @param name The name of the current plugin. or NULL to get the last.
*
* @return The name of the previous plugin within the list.
*/
const char *visual_actor_get_prev_by_name (const char *name)
{
return visual_plugin_get_prev_by_name (visual_actor_get_list (), name);
}
int
main( int argc, char** argv )
{
if( argc <= 1 || std::strcmp( argv[1], "--list" ) == 0 )
{
visual_init( &argc, &argv );
#if 0
VisList *list = visual_actor_get_list();
for( VisListEntry *entry = list->head->next; entry != list->tail; entry = entry->next )
{
VisPluginInfo *info = static_cast<VisActor*>(entry->data)->plugin->ref->info;
std::cout << info->name << '|' << info->about << std::endl;
}
#endif
const char *plugin = 0;
while( (plugin = visual_actor_get_next_by_name( plugin )) )
std::cout << plugin << '\n';
std::exit( 0 );
}
else if( argc == 3 )
Vis::plugin = argv[2];
//connect to socket
const int sockfd = tryConnect( argv[1] );
//register fd/pid combo with Pana
{
pid_t pid = ::getpid();
char buf[32] = "REG";
*(pid_t*)&buf[4] = pid;
::send( sockfd, buf, 4 + sizeof(pid_t), 0 );
}
//init
SDL::init();
Vis::init( argc, argv );
//main loop
// 1. we sleep for a bit, listening for messages from Pana
// 2. render a frame
timeval tv;
fd_set fds;
int nbytes = 0;
uint render_time = 0;
while( nbytes != -1 && SDL::event_handler() )
{
//set the time to wait
tv.tv_sec = 0;
tv.tv_usec = render_time > 16 ? 0 : (16 - render_time) * 1000; //60Hz
//get select to watch the right file descriptor
FD_ZERO( &fds );
FD_SET( sockfd, &fds );
::select( sockfd+1, &fds, 0, 0, &tv );
if( FD_ISSET( sockfd, &fds) ) {
//Pana sent us some data
char command[16];
::recv( sockfd, command, 16, 0 );
if( std::strcmp( command, "fullscreen" ) == 0 )
SDL::toggleFullScreen();
}
//request pcm data
::send( sockfd, "PCM", 4, 0 );
nbytes = ::recv( sockfd, Vis::pcm_data, 1024 * sizeof( int16_t ), 0 );
render_time = LibVisual::render();
}
::close( sockfd );
return 0;
}
