pyGTK player cannot hangs on "next track"

[1099511627776]

Hallo world.
I have some problem writing my pygtk binding.
Here my is stackoverflow question: http://stackoverflow.com/questions/1513 ... next-track
The main problem is that in the callback MediaPlayerEndReached i want player to play a new track
That is why I do this:

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fname = vlc_controller.GetNextTrack()['url'] self.vlc.player.set_media(instance.media_new(fname,'--network-caching 60000')) self.vlc.player.play()

But libvlc hangs on set_media command.
I cannot use playlist because i don't know what track i must play. I can figure it out only after I've finished playing current track by colling external function vlc_controller.GetNextTrack()['url'].

Can anyone help me with this?

[1099511627776]

Same problem if I modify official vlc.py file:

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def end_callback(event,player,movie): print('End of media stream (event %s)' % event.type) player.set_mrl(os.path.expanduser(sys.argv[1])) player.play()

So I think it sounds like a Bug in libvlc

[sherington]

You can't call back into libvlc from a libvlc event handler.

[Rémi Denis-Courmont]

In some cases, this limitation is unavoidable. For instance, destroying a LibVLC object from its own callback wouldn't make sense. In most cases though, it just was not designed/implemented. Patch welcome.

[1099511627776]

A small workaround for this is to use MeiaListPlayer instead of MediaPlayer. That we can in "endCallback" do self.playlist.add_media(.......)
But this workaround also has problems:

• 1. First added media in playlist plays 2 times (after playing first time no endCallback and, maybe, player loops it once more) after second play endCallback is called and the "show goes on". So i think it's another bug in libvlc?
  
  2. in endCallback when I do self.playlst.add_media - it works fine. But when I do self.playlist.remove(idx) it hangs. One more bug in libvlc ?

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def endCallback(self,event,player): sys.stdout.write('\n\r nextitemset') sys.stdout.flush() sys.stdout.write('\n\r'+str(event.u)) sys.stdout.flush() fname = vlc_controller.GetNextTrack()['url'] self.playlist.add_media(instance.media_new(fname,'--network-caching 60000')) <==================== works OK if(self.playlist.count() == 3): self.playlist.remove_index(1) <=============================================hangs player sys.stdout.write('\n\r added media:'+fname) sys.stdout.write('\n\r added media:'+str(self.playlist.count())+'\n\r') sys.stdout.flush()

[sherington]

I use the libvlc media list player without any such "bugs" being apparent.

My main technique is for the event handler to signal another thread. That other thread can then invoke libvlc without deadlocking.

[1099511627776]

I use the libvlc media list player without any such "bugs" being apparent.
My main technique is for the event handler to signal another thread. That other thread can then invoke libvlc without deadlocking.

Can you post me some code example here?

[sherington]

Can you post me some code example here?

I don't do python I'm afraid.

[1099511627776]

Can you post me some code example here?

I don't do python I'm afraid.

That is the main problem that not in python pygtk it works fine. But i need to do this on python language