this->child = child;
if ( mlt_service_init( service, this ) == 0 )
{
- mlt_properties properties = mlt_service_properties( service );
+ mlt_properties properties = MLT_SERVICE_PROPERTIES( service );
// Override the get_frame method
service->get_frame = filter_get_frame;
+ // Define the destructor
+ service->close = ( mlt_destructor )mlt_filter_close;
+ service->close_object = this;
+
// Default in, out, track properties
mlt_properties_set_position( properties, "in", 0 );
mlt_properties_set_position( properties, "out", 0 );
mlt_properties mlt_filter_properties( mlt_filter this )
{
- return mlt_service_properties( mlt_filter_service( this ) );
+ return MLT_SERVICE_PROPERTIES( MLT_FILTER_SERVICE( this ) );
}
/** Connect this filter to a producers track. Note that a filter only operates
// If the connection was successful, grab the producer, track and reset in/out
if ( ret == 0 )
{
- mlt_properties properties = mlt_service_properties( &this->parent );
+ mlt_properties properties = MLT_SERVICE_PROPERTIES( &this->parent );
mlt_properties_set_position( properties, "in", 0 );
mlt_properties_set_position( properties, "out", 0 );
mlt_properties_set_int( properties, "track", index );
void mlt_filter_set_in_and_out( mlt_filter this, mlt_position in, mlt_position out )
{
- mlt_properties properties = mlt_service_properties( &this->parent );
+ mlt_properties properties = MLT_SERVICE_PROPERTIES( &this->parent );
mlt_properties_set_position( properties, "in", in );
mlt_properties_set_position( properties, "out", out );
}
int mlt_filter_get_track( mlt_filter this )
{
- mlt_properties properties = mlt_service_properties( &this->parent );
+ mlt_properties properties = MLT_SERVICE_PROPERTIES( &this->parent );
return mlt_properties_get_int( properties, "track" );
}
mlt_position mlt_filter_get_in( mlt_filter this )
{
- mlt_properties properties = mlt_service_properties( &this->parent );
+ mlt_properties properties = MLT_SERVICE_PROPERTIES( &this->parent );
return mlt_properties_get_position( properties, "in" );
}
mlt_position mlt_filter_get_out( mlt_filter this )
{
- mlt_properties properties = mlt_service_properties( &this->parent );
+ mlt_properties properties = MLT_SERVICE_PROPERTIES( &this->parent );
return mlt_properties_get_position( properties, "out" );
}
mlt_service producer = mlt_service_producer( &this->parent );
// If the frame request is for this filters track, we need to process it
- if ( index == track )
+ if ( index == track || track == -1 )
{
int ret = mlt_service_get_frame( producer, frame, index );
if ( ret == 0 )
void mlt_filter_close( mlt_filter this )
{
- if ( this->close != NULL )
- this->close( this );
- else
- mlt_service_close( &this->parent );
- free( this );
+ if ( this != NULL && mlt_properties_dec_ref( MLT_FILTER_PROPERTIES( this ) ) <= 0 )
+ {
+ if ( this->close != NULL )
+ {
+ this->close( this );
+ }
+ else
+ {
+ this->parent.close = NULL;
+ mlt_service_close( &this->parent );
+ }
+ free( this );
+ }
}