void loop() {
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, WIDTH, HEIGHT, 0, -1, 1);
glEnable(GL_LINE_SMOOTH);
glEnable(GL_POINT_SMOOTH);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
physics_start();
while (!glfwWindowShouldClose(window) && running) {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if (pthread_mutex_trylock(&lock) == 0) {
for (int i = 0; i < PARTICLES_MAX; i++) {
struct particle *p = &array[i];
if (!p->m) continue;
glPointSize(particle_radius(p) * 2.0f);
double x, y;
double alpha = particle_getcoords(*p, &x, &y);
glColor4d(p->color[0], p->color[1], p->color[2], alpha);
glBegin(GL_POINTS);
glVertex2d(x, y);
glEnd();
}
pthread_mutex_unlock(&lock);
}
if (mouse.is_dragging) {
double x, y;
glfwGetCursorPos(window, &x, &y);
glBegin(GL_LINES);
glColor3dv(next_color);
glVertex2d(mouse.xp, mouse.yp);
glVertex2d(x, y);
glEnd();
}
glfwSwapBuffers(window);
glfwPollEvents();
glfwSetWindowTitle(window, newtitle());
}
physics_stop();
}
//static
gboolean LLMediaImplGStreamer::bus_callback(GstBus *bus, GstMessage *message, gpointer data)
{
#ifdef LL_GST_REPORT_STATE_CHANGES
LL_DEBUGS("MediaCallback") << "Got GST message type: " << GST_MESSAGE_TYPE_NAME (message) << LL_ENDL;
#endif
LLMediaImplGStreamer *impl = (LLMediaImplGStreamer*)data;
switch (GST_MESSAGE_TYPE (message))
{
case GST_MESSAGE_BUFFERING:
{
gint percent = 0;
gst_message_parse_buffering(message, &percent);
#ifdef LL_GST_REPORT_STATE_CHANGES
LL_DEBUGS("MediaBuffering") << "GST buffering: " << percent << "%%" << LL_ENDL;
#endif
LLMediaEvent event( impl, percent );
impl->getEventEmitter().update( &LLMediaObserver::onUpdateProgress, event );
}
break;
case GST_MESSAGE_STATE_CHANGED:
{
GstState old_state;
GstState new_state;
GstState pending_state;
gst_message_parse_state_changed(message,
&old_state,
&new_state,
&pending_state);
#ifdef LL_GST_REPORT_STATE_CHANGES
// not generally very useful, and rather spammy.
LL_DEBUGS("MediaState") << "GST state change (old,<new>,pending): "<< get_gst_state_name(old_state) << ",<" << get_gst_state_name(new_state) << ">," << get_gst_state_name(pending_state) << LL_ENDL;
#endif // LL_GST_REPORT_STATE_CHANGES
switch (new_state)
{
case GST_STATE_VOID_PENDING:
break;
case GST_STATE_NULL:
#ifdef LL_GST_REPORT_STATE_CHANGES
LL_DEBUGS("MediaImpl") << "State changed to NULL" << LL_ENDL;
#endif
if (impl->getState() == GST_STATE_PLAYING)
{
// Stream was probably dropped, trying to restart
impl->play();
#ifdef LL_GST_REPORT_STATE_CHANGES
LL_DEBUGS("MediaImpl") << "Trying to restart." << LL_ENDL;
#endif
}
break;
case GST_STATE_READY:
break;
case GST_STATE_PAUSED:
break;
case GST_STATE_PLAYING:
//impl->mLastTitle = "";
LLMediaEvent event( impl, 100 );
impl->getEventEmitter().update( &LLMediaObserver::onUpdateProgress, event );
// emit an event to say that a media source was loaded
LLMediaEvent event2( impl );
impl->getEventEmitter().update( &LLMediaObserver::onMediaLoaded, event2 );
break;
}
break;
}
case GST_MESSAGE_ERROR:
{
GError *err = NULL;
gchar *debug = NULL;
gst_message_parse_error (message, &err, &debug);
LL_WARNS("MediaImpl") << "GST Error: " << err->message << LL_ENDL;
g_error_free (err);
g_free (debug);
impl->addCommand(LLMediaBase::COMMAND_STOP);
//impl->addCommand(LLMediaBase::COMMAND_START);
break;
}
case GST_MESSAGE_INFO:
{
GError *err = NULL;
gchar *debug = NULL;
gst_message_parse_info (message, &err, &debug);
LL_INFOS("MediaImpl") << "GST info: " << err->message
<< LL_ENDL;
g_error_free (err);
g_free (debug);
break;
}
case GST_MESSAGE_WARNING:
{
GError *err = NULL;
gchar *debug = NULL;
gst_message_parse_warning (message, &err, &debug);
LL_WARNS("MediaImpl") << "GST warning: " << err->message
<< LL_ENDL;
g_error_free (err);
g_free (debug);
break;
}
case GST_MESSAGE_TAG:
{
GstTagList *new_tags;
gst_message_parse_tag( message, &new_tags );
gchar *title;
if ( gst_tag_list_get_string(new_tags, GST_TAG_TITLE, &title) )
{
LL_INFOS("MediaInfo") << "Title: " << title << LL_ENDL;
std::string newtitle(title);
gst_tag_list_free(new_tags);
if ( newtitle != impl->mLastTitle && newtitle != "" )
{
impl->mLastTitle = newtitle;
LLMediaEvent event( impl, impl->mLastTitle );
impl->getEventEmitter().update( &LLMediaObserver::onMediaTitleChange, event );
}
g_free(title);
}
break;
}
case GST_MESSAGE_EOS:
{
/* end-of-stream */
LL_DEBUGS("MediaImpl") << "GST end-of-stream." << LL_ENDL;
if (impl->isLooping())
{
LL_DEBUGS("MediaImpl") << "looping media..." << LL_ENDL;
impl->stop();
impl->play();
}
else
{
// inject a COMMAND_STOP
impl->addCommand(LLMediaBase::COMMAND_STOP);
}
break;
}
default:
/* unhandled message */
break;
}
/* we want to be notified again the next time there is a message
* on the bus, so return true (false means we want to stop watching
* for messages on the bus and our callback should not be called again)
*/
return TRUE;
}
gboolean
MediaPluginGStreamer010::processGSTEvents(GstBus *bus,
GstMessage *message)
{
if (!message)
return TRUE; // shield against GStreamer bug
if (GST_MESSAGE_TYPE(message) != GST_MESSAGE_STATE_CHANGED &&
GST_MESSAGE_TYPE(message) != GST_MESSAGE_BUFFERING)
{
DEBUGMSG("Got GST message type: %s",
GST_MESSAGE_TYPE_NAME (message));
}
else
{
// TODO: grok 'duration' message type
DEBUGMSG("Got GST message type: %s",
GST_MESSAGE_TYPE_NAME (message));
}
switch (GST_MESSAGE_TYPE (message))
{
case GST_MESSAGE_BUFFERING:
{
// NEEDS GST 0.10.11+ and America discovered by C.Columbus
gint percent = 0;
gst_message_parse_buffering(message, &percent);
DEBUGMSG("GST buffering: %d%%", percent);
break;
}
case GST_MESSAGE_STATE_CHANGED: {
GstState old_state;
GstState new_state;
GstState pending_state;
gst_message_parse_state_changed(message,
&old_state,
&new_state,
&pending_state);
#ifdef LL_GST_REPORT_STATE_CHANGES
// not generally very useful, and rather spammy.
DEBUGMSG("state change (old,<new>,pending): %s,<%s>,%s",
get_gst_state_name(old_state),
get_gst_state_name(new_state),
get_gst_state_name(pending_state));
#endif // LL_GST_REPORT_STATE_CHANGES
switch (new_state)
{
case GST_STATE_VOID_PENDING:
break;
case GST_STATE_NULL:
break;
case GST_STATE_READY:
setStatus(STATUS_LOADED);
break;
case GST_STATE_PAUSED:
setStatus(STATUS_PAUSED);
break;
case GST_STATE_PLAYING:
setStatus(STATUS_PLAYING);
break;
}
break;
}
case GST_MESSAGE_ERROR:
{
GError *err = NULL;
gchar *debug = NULL;
gst_message_parse_error (message, &err, &debug);
WARNMSG("GST error: %s", err?err->message:"(unknown)");
if (err)
g_error_free (err);
g_free (debug);
mCommand = COMMAND_STOP;
setStatus(STATUS_ERROR);
break;
}
case GST_MESSAGE_INFO:
{
GError *err = NULL;
gchar *debug = NULL;
gst_message_parse_info (message, &err, &debug);
INFOMSG("GST info: %s", err?err->message:"(unknown)");
if (err)
g_error_free (err);
g_free (debug);
break;
}
case GST_MESSAGE_WARNING:
{
GError *err = NULL;
gchar *debug = NULL;
gst_message_parse_warning (message, &err, &debug);
WARNMSG("GST warning: %s", err?err->message:"(unknown)");
if (err)
g_error_free (err);
g_free (debug);
break;
}
case GST_MESSAGE_TAG:
{
GstTagList *new_tags;
gst_message_parse_tag( message, &new_tags );
gchar *title = NULL;
if ( gst_tag_list_get_string(new_tags, GST_TAG_TITLE, &title) )
{
//WARMING("Title: %s", title);
std::string newtitle(title);
gst_tag_list_free(new_tags);
if ( newtitle != mLastTitle && !newtitle.empty() )
{
LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "name_text");
message.setValue("name", newtitle );
sendMessage( message );
mLastTitle = newtitle;
}
g_free(title);
}
break;
}
case GST_MESSAGE_EOS:
{
/* end-of-stream */
DEBUGMSG("GST end-of-stream.");
if (mIsLooping)
{
DEBUGMSG("looping media...");
double eos_pos_sec = 0.0F;
bool got_eos_position = getTimePos(eos_pos_sec);
if (got_eos_position && eos_pos_sec < MIN_LOOP_SEC)
{
// if we know that the movie is really short, don't
// loop it else it can easily become a time-hog
// because of GStreamer spin-up overhead
DEBUGMSG("really short movie (%0.3fsec) - not gonna loop this, pausing instead.", eos_pos_sec);
// inject a COMMAND_PAUSE
mCommand = COMMAND_PAUSE;
}
else
{
#undef LLGST_LOOP_BY_SEEKING
// loop with a stop-start instead of a seek, because it actually seems rather
// faster than seeking on remote streams.
#ifdef LLGST_LOOP_BY_SEEKING
// first, try looping by an explicit rewind
bool seeksuccess = seek(0.0);
if (seeksuccess)
{
play(1.0);
}
else
#endif // LLGST_LOOP_BY_SEEKING
{ // use clumsy stop-start to loop
DEBUGMSG("didn't loop by rewinding - stopping and starting instead...");
stop();
play(1.0);
}
}
}
else // not a looping media
{
// inject a COMMAND_STOP
mCommand = COMMAND_STOP;
}
} break;
default:
/* unhandled message */
break;
}
/* we want to be notified again the next time there is a message
* on the bus, so return true (false means we want to stop watching
* for messages on the bus and our callback should not be called again)
*/
return TRUE;
}
