//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;
}
//static
gboolean
LLMediaImplGStreamer::bus_callback (GstBus *bus,
GstMessage *message,
gpointer data)
{
if (GST_MESSAGE_TYPE(message) != GST_MESSAGE_STATE_CHANGED &&
GST_MESSAGE_TYPE(message) != GST_MESSAGE_BUFFERING)
{
DEBUGMSG("Got GST message type: %s",
LLGST_MESSAGE_TYPE_NAME (message));
}
else
{
DEBUGMSG("Got GST message type: %s",
LLGST_MESSAGE_TYPE_NAME (message));
}
LLMediaImplGStreamer *impl = (LLMediaImplGStreamer*)data;
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_BUFFERING: {
// NEEDS GST 0.10.11+
if (llgst_message_parse_buffering)
{
gint percent = 0;
llgst_message_parse_buffering(message, &percent);
DEBUGMSG("GST buffering: %d%%", percent);
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;
llgst_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:
break;
case GST_STATE_PAUSED:
break;
case GST_STATE_PLAYING:
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;
llgst_message_parse_error (message, &err, &debug);
WARNMSG("GST error: %s", err->message);
g_error_free (err);
g_free (debug);
impl->addCommand(LLMediaBase::COMMAND_STOP);
break;
}
case GST_MESSAGE_INFO: {
if (llgst_message_parse_info)
{
GError *err = NULL;
gchar *debug = NULL;
llgst_message_parse_info (message, &err, &debug);
INFOMSG("GST info: %s", err->message);
g_error_free (err);
g_free (debug);
}
break;
}
case GST_MESSAGE_WARNING: {
GError *err = NULL;
gchar *debug = NULL;
llgst_message_parse_warning (message, &err, &debug);
WARNMSG("GST warning: %s", err->message);
g_error_free (err);
g_free (debug);
break;
}
case GST_MESSAGE_EOS:
/* end-of-stream */
DEBUGMSG("GST end-of-stream.");
if (impl->isLooping())
{
DEBUGMSG("looping media...");
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;
}