+
+
+static int GradientCallback( vlc_object_t *p_this, char const *psz_var,
+ vlc_value_t oldval, vlc_value_t newval,
+ void *p_data )
+{
+ VLC_UNUSED(oldval);
+ filter_sys_t *p_sys = (filter_sys_t *)p_data;
+
+ vlc_mutex_lock( &p_sys->lock );
+ if( !strcmp( psz_var, FILTER_PREFIX "mode" ) )
+ {
+ if( !strcmp( newval.psz_string, "gradient" ) )
+ {
+ p_sys->i_mode = GRADIENT;
+ }
+ else if( !strcmp( newval.psz_string, "edge" ) )
+ {
+ p_sys->i_mode = EDGE;
+ }
+ else if( !strcmp( newval.psz_string, "hough" ) )
+ {
+ p_sys->i_mode = HOUGH;
+ }
+ else
+ {
+ msg_Err( p_this, "no valid gradient mode provided (%s)", newval.psz_string );
+ p_sys->i_mode = GRADIENT;
+ }
+ }
+ else if( !strcmp( psz_var, FILTER_PREFIX "type" ) )
+ {
+ p_sys->i_gradient_type = newval.i_int;
+ }
+ else if( !strcmp( psz_var, FILTER_PREFIX "cartoon" ) )
+ {
+ p_sys->b_cartoon = newval.b_bool;
+ }
+ vlc_mutex_unlock( &p_sys->lock );
+
+ return VLC_SUCCESS;
+}