int main (int argc, char **argv)
{
// print warm welcome
std::cerr << argv[0] << " v0.1\n";
// initialize libvisual once (this is meant to be called only once,
// visual_init() after visual_quit() results in undefined state)
visual_log_set_verbosity(VISUAL_LOG_DEBUG);
visual_init (&argc, &argv);
try {
// parse commandline arguments
if (_parse_args(argc, argv) != EXIT_SUCCESS)
throw std::runtime_error ("Failed to parse arguments");
// create new VisBin for video output
VisBin *bin = visual_bin_new();
visual_bin_set_supported_depth(bin, VISUAL_VIDEO_DEPTH_ALL);
visual_bin_switch_set_style(bin, VISUAL_SWITCH_STYLE_MORPH);
// initialize actor plugin
std::cerr << "Loading actor '" << actor_name << "'...\n";
VisActor *actor = visual_actor_new (actor_name.c_str ());
if (!actor)
throw std::runtime_error ("Failed to load actor '" + actor_name + "'");
// Set random seed
if (have_seed) {
VisPluginData *plugin_data = visual_actor_get_plugin(actor);
VisRandomContext *r_context = visual_plugin_get_random_context (plugin_data);
visual_random_context_set_seed (r_context, seed);
seed++;
}
// initialize input plugin
std::cerr << "Loading input '" << input_name << "'...\n";
VisInput *input = visual_input_new(input_name.c_str());
if (!input) {
throw std::runtime_error ("Failed to load input '" + input_name + "'");
}
// Pick the best display depth
int depthflag = visual_actor_get_supported_depth (actor);
VisVideoDepth depth;
if (depthflag == VISUAL_VIDEO_DEPTH_GL) {
depth = visual_video_depth_get_highest (depthflag);
}
else {
depth = visual_video_depth_get_highest_nogl (depthflag);
}
visual_bin_set_depth (bin, depth);
VisVideoAttributeOptions const* vidoptions =
visual_actor_get_video_attribute_options(actor);
// initialize display
SADisplay display (driver_name);
// create display
display.create(depth, vidoptions, width, height, true);
VisVideo *video = display.get_video();
if(!video)
throw std::runtime_error("Failed to get VisVideo from display");
// put it all together
visual_bin_connect(bin, actor, input);
visual_bin_set_video(bin, video);
visual_bin_realize(bin);
visual_bin_sync(bin, FALSE);
visual_bin_depth_changed(bin);
// get a queue to handle events
VisEventQueue localqueue;
// main loop
bool running = true;
bool visible = true;
while (running)
{
LV::Event ev;
// Handle all events
display.drain_events(localqueue);
LV::EventQueue* pluginqueue = visual_plugin_get_eventqueue(visual_actor_get_plugin (bin->actor));
while (localqueue.poll(ev))
{
if(ev.type != VISUAL_EVENT_RESIZE)
pluginqueue->add (ev);
switch (ev.type)
{
case VISUAL_EVENT_PARAM:
{
break;
}
case VISUAL_EVENT_RESIZE:
{
display.lock();
width = ev.event.resize.width;
height = ev.event.resize.height;
display.create(depth, vidoptions, width, height, true);
video = display.get_video ();
visual_bin_set_video (bin, video);
visual_actor_video_negotiate (bin->actor, depth, FALSE, FALSE);
display.unlock();
break;
}
case VISUAL_EVENT_MOUSEMOTION:
{
break;
}
case VISUAL_EVENT_MOUSEBUTTONDOWN:
{
// switch to next actor
v_cycleActor(1);
v_cycleMorph();
visual_bin_set_morph_by_name(bin, morph_name.c_str());
visual_bin_switch_actor_by_name(bin, actor_name.c_str());
// get new actor
actor = visual_bin_get_actor(bin);
// handle depth of new actor
depthflag = visual_actor_get_supported_depth(actor);
if (depthflag == VISUAL_VIDEO_DEPTH_GL)
{
visual_bin_set_depth(bin, VISUAL_VIDEO_DEPTH_GL);
}
else
{
depth = visual_video_depth_get_highest(depthflag);
if ((bin->depthflag & depth) > 0)
visual_bin_set_depth(bin, depth);
else
visual_bin_set_depth(bin, visual_video_depth_get_highest_nogl(bin->depthflag));
}
bin->depthforcedmain = bin->depth;
break;
}
case VISUAL_EVENT_MOUSEBUTTONUP:
{
break;
}
case VISUAL_EVENT_KEYDOWN:
{
switch(ev.event.keyboard.keysym.sym)
{
case VKEY_ESCAPE:
{
running = false;
break;
}
case VKEY_TAB:
{
break;
}
default:
break;
}
break;
}
case VISUAL_EVENT_KEYUP:
{
break;
}
case VISUAL_EVENT_QUIT:
{
running = FALSE;
break;
}
case VISUAL_EVENT_VISIBILITY:
{
visible = ev.event.visibility.is_visible;
break;
}
default:
{
break;
}
}
}
if (visual_bin_depth_changed(bin))
{
display.lock();
display.create(depth, vidoptions, width, height, true);
VisVideo *video = display.get_video();
visual_bin_set_video(bin, video);
visual_bin_sync(bin, TRUE);
display.unlock();
}
// Do a run cycle
if (!visible)
continue;
display.lock();
visual_bin_run(bin);
display.unlock();
display.update_all();
display.set_fps_limit(framerate);
}
}
catch (std::exception& error) {
std::cerr << error.what () << std::endl;
}
//printf ("Total frames: %d, average fps: %f\n", display_fps_total (display), display_fps_average (display));
visual_quit ();
return EXIT_SUCCESS;
}
int bg_lv_load(bg_plugin_handle_t * ret,
const char * name, int plugin_flags, const char * window_id)
{
lv_priv_t * priv;
int i;
bg_visualization_plugin_t * p;
VisVideoAttributeOptions *vidoptions;
check_init();
/* Set up callbacks */
p = calloc(1, sizeof(*p));
ret->plugin_nc = (bg_plugin_common_t*)p;
ret->plugin = ret->plugin_nc;
if(plugin_flags & BG_PLUGIN_VISUALIZE_GL)
{
p->open_win = open_gl_lv;
p->draw_frame = draw_frame_gl_lv;
p->show_frame = show_frame_lv;
}
else
{
p->open_ov = open_ov_lv;
p->draw_frame = draw_frame_ov_lv;
}
p->update = update_lv;
p->close = close_lv;
p->set_callbacks = set_callbacks_lv;
p->common.get_parameters = get_parameters_lv;
p->common.set_parameter = set_parameter_lv;
/* Set up private data */
priv = calloc(1, sizeof(*priv));
ret->priv = priv;
priv->audio = visual_audio_new();
#if 0
priv->ov_callbacks.data = priv;
priv->ov_callbacks.key_callback = key_callback;
priv->ov_callbacks.key_release_callback = key_release_callback;
priv->ov_callbacks.button_callback = button_callback;
priv->ov_callbacks.button_release_callback = button_release_callback;
priv->ov_callbacks.motion_callback = motion_callback;
#endif
/* Remove gmerlin added prefix from the plugin name */
priv->actor = visual_actor_new(name + 7);
if(plugin_flags & BG_PLUGIN_VISUALIZE_GL)
{
priv->win = bg_x11_window_create(window_id);
priv->window_callbacks.data = priv;
priv->window_callbacks.size_changed = size_changed;
priv->window_callbacks.key_callback = key_callback;
priv->window_callbacks.key_release_callback = key_release_callback;
priv->window_callbacks.button_callback = button_callback;
priv->window_callbacks.button_release_callback = button_release_callback;
priv->window_callbacks.motion_callback = motion_callback;
/* Create an OpenGL context. For this, we need the OpenGL attributes */
vidoptions = visual_actor_get_video_attribute_options(priv->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(priv->win, bg_attributes[i],
vidoptions->gl_attributes[i].value);
}
}
/* Set bogus dimensions, will be corrected by the size_callback */
bg_x11_window_set_size(priv->win, 640, 480);
bg_x11_window_realize(priv->win);
bg_x11_window_start_gl(priv->win);
bg_x11_window_set_gl(priv->win);
}
visual_actor_realize(priv->actor);
if(plugin_flags & BG_PLUGIN_VISUALIZE_GL)
bg_x11_window_unset_gl(priv->win);
priv->parameters = create_parameters(priv->actor, &priv->widgets, &priv->params);
priv->video = visual_video_new();
return 1;
}
int main (int argc, char **argv)
{
SADisplay *display;
VisVideo *video;
VisInput *input;
VisActor *actor;
VisEventQueue *localqueue;
VisVideoAttributeOptions *vidoptions;
int running = TRUE;
int fullscreen = FALSE;
int visible = TRUE;
int depth;
//visual_mem_alloc_install_vtable (visual_mem_alloc_vtable_profile ());
visual_init (&argc, &argv);
display = display_new (sdl_driver_new ());
/* Libvisual stuff */
if (argc > 1)
actor = visual_actor_new (argv[1]);
else
actor = visual_actor_new ("projectM");
if (argc > 3) {
depth = visual_video_depth_enum_from_value (atoi (argv[3]));
} else
depth = visual_video_depth_get_highest (visual_actor_get_supported_depth (actor));
vidoptions = visual_actor_get_video_attribute_options (actor);
display_create (display, depth, vidoptions, 480, 360, TRUE);
visual_actor_realize (actor);
video = display_get_video (display);
visual_actor_set_video (actor, video);
visual_actor_video_negotiate (actor, 0, FALSE, FALSE);
if (argc > 2)
input = visual_input_new (argv[2]);
else
input = visual_input_new ("alsa");
visual_input_realize (input);
localqueue = visual_event_queue_new ();
while (running) {
VisEventQueue *pluginqueue;
VisEvent *ev;
/* Handle all events */
display_drain_events (display, localqueue);
pluginqueue = visual_plugin_get_eventqueue (visual_actor_get_plugin (actor));
while (visual_event_queue_poll_by_reference (localqueue, &ev)) {
if (ev->type != VISUAL_EVENT_RESIZE)
visual_event_queue_add (pluginqueue, ev);
switch (ev->type) {
case VISUAL_EVENT_RESIZE:
video = display_get_video (display);
visual_actor_set_video (actor, video);
visual_actor_video_negotiate (actor, depth, FALSE, FALSE);
break;
case VISUAL_EVENT_MOUSEMOTION:
break;
case VISUAL_EVENT_MOUSEBUTTONDOWN:
break;
case VISUAL_EVENT_MOUSEBUTTONUP:
break;
case VISUAL_EVENT_KEYDOWN:
switch (ev->event.keyboard.keysym.sym) {
case VKEY_ESCAPE:
running = FALSE;
break;
case VKEY_TAB:
fullscreen = !fullscreen;
display_set_fullscreen (display, fullscreen, TRUE);
/* Resync video */
video = display_get_video (display);
visual_actor_set_video (actor, video);
visual_actor_video_negotiate (actor, depth, FALSE, FALSE);
break;
default:
printf ("key: %c\n", ev->event.keyboard.keysym.sym);
break;
}
break;
case VISUAL_EVENT_KEYUP:
break;
case VISUAL_EVENT_QUIT:
running = FALSE;
break;
case VISUAL_EVENT_VISIBILITY:
visible = ev->event.visibility.is_visible;
break;
default:
break;
}
}
if (visible == FALSE) {
visual_input_run (input);
visual_time_usleep (10000);
continue;
}
/* Do a run cycle */
visual_input_run (input);
display_lock (display);
visual_actor_run (actor, input->audio);
display_unlock (display);
display_update_all (display);
display_fps_limit (display, 30);
}
/* Termination procedure */
display_set_fullscreen (display, FALSE, TRUE);
display_close (display);
visual_quit ();
//visual_mem_alloc_profile ();
printf ("Total frames: %d, average fps: %f\n", display_fps_total (display), display_fps_average (display));
return 0;
}
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;
}
