Add mlt_properties_anim_set/get() for string.

[mlt] / src / framework / mlt_property.c

diff --git a/src/framework/mlt_property.c b/src/framework/mlt_property.c
index b00cc56382efb182ba637b389e51e719fa9ae67e..bbc02ee0d7c49940dcea22bbdbf7e15a34fb2104 100644 (file)
--- a/src/framework/mlt_property.c
+++ b/src/framework/mlt_property.c
@@ -1134,6 +1134,37 @@ int mlt_property_anim_get_int( mlt_property self, double fps, locale_t locale, i
        return result;
 }
 
+char* mlt_property_anim_get_string( mlt_property self, double fps, locale_t locale, int position, int length )
+{
+       char *result;
+       if ( self->animation || ( ( self->types & mlt_prop_string ) && self->prop_string ) )
+       {
+               struct mlt_animation_item_s item;
+               item.property = mlt_property_init();
+
+               if ( !self->animation )
+                       refresh_animation( self, fps, locale, length );
+               mlt_animation_get_item( self->animation, &item, position );
+
+               pthread_mutex_lock( &self->mutex );
+               if ( self->prop_string )
+                       free( self->prop_string );
+               self->prop_string = mlt_property_get_string_l( item.property, locale );
+               if ( self->prop_string )
+                       self->prop_string = strdup( self->prop_string );
+               self->types |= mlt_prop_string;
+               pthread_mutex_unlock( &self->mutex );
+
+               result = self->prop_string;
+               mlt_property_close( item.property );
+       }
+       else
+       {
+               result = mlt_property_get_string_l( self, locale );
+       }
+       return result;
+}
+
 /** Set a property animation keyframe to a real number.
  *
  * \public \memberof mlt_property_s
@@ -1188,6 +1219,24 @@ int mlt_property_anim_set_int( mlt_property self, int value, double fps, locale_
        return result;
 }
 
+int mlt_property_anim_set_string( mlt_property self, const char *value, double fps, locale_t locale, int position, int length )
+{
+       int result;
+       struct mlt_animation_item_s item;
+
+       item.property = mlt_property_init();
+       item.frame = position;
+       item.keyframe_type = mlt_keyframe_discrete;
+       mlt_property_set_string( item.property, value );
+
+       refresh_animation( self, fps, locale, length );
+       result = mlt_animation_insert( self->animation, &item );
+       mlt_animation_interpolate( self->animation );
+       mlt_property_close( item.property );
+
+       return result;
+}
+
 static char* serialise_mlt_rect( mlt_rect *rect, int length )
 {
        char* result = calloc( 1, 100 );