[vlc-devel] Changing the mosaic-order in execution time - Part II

[Mateus Krepsky Ludwich]

Hi,
	some time ago I asked about change the mosaic-order in execution time. 
Now, I came back to this question and I read superficially the files:
modules/video_filter/mosaic.c
and
modules/control/rc.c

In modules/control/rc.c I see "mosaic-cols", for example, in this functions:
	static void RegisterCallbacks( intf_thread_t *p_intf ) {
		...
		var_Create( p_intf, "mosaic-cols", VLC_VAR_INTEGER | 							 
VLC_VAR_ISCOMMAND );
	    	var_AddCallback( p_intf, "mosaic-cols", Other, NULL );
		...
	}

	static int Other(....) {
		...
		var_Set( p_input->p_libvlc, "mosaic-cols", val );
		...
	}


And, in modules/video_filter/mosaic.c :

static int MosaicCallback(....) {
...
else if( !strcmp( psz_var, "mosaic-cols" ) )
     {
         vlc_mutex_lock( &p_sys->lock );
         // code of the change
         vlc_mutex_unlock( &p_sys->lock );
     }
...

}

To add the functionality of change mosaic-order in execution time, 
should I proceed in this way? Or are there some extra factors involved 
in this question? (that make difficult the implementation of this feature)

Many Thanks,
	Mateus K. Ludwich


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