* Copyright (C) 2003-2004 Ushodaya Enterprises Limited
* Author: Charles Yates <charles.yates@pandora.be>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful,
+ * This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#include "config.h"
#include "mlt_service.h"
#include "mlt_filter.h"
#include "mlt_frame.h"
char *resource = mlt_properties_get( properties, "resource" );
if ( mlt_type == NULL )
type = unknown_type;
- else if ( resource == NULL || !strcmp( resource, "<producer>" ) )
- type = producer_type;
- else if ( !strcmp( resource, "<playlist>" ) )
+ else if (resource != NULL && !strcmp( resource, "<playlist>" ) )
type = playlist_type;
- else if ( !strcmp( resource, "<tractor>" ) )
+ else if (resource != NULL && !strcmp( resource, "<tractor>" ) )
type = tractor_type;
- else if ( !strcmp( resource, "<multitrack>" ) )
+ else if (resource != NULL && !strcmp( resource, "<multitrack>" ) )
type = multitrack_type;
else if ( !strcmp( mlt_type, "producer" ) )
type = producer_type;
// Get the service base
mlt_service_base *base = this->local;
+ // Special case 'track' index - only works for last filter(s) in a particular chain
+ // but allows a filter to apply to the output frame regardless of which track it comes from
+ if ( index == -1 )
+ index = 0;
+
// Check if the producer is already registered with this service
for ( i = 0; i < base->count; i ++ )
if ( base->in[ i ] == producer )
// Increment the reference count on this producer
if ( producer != NULL )
- {
- mlt_service_lock( producer );
mlt_properties_inc_ref( MLT_SERVICE_PROPERTIES( producer ) );
- mlt_service_unlock( producer );
- }
// Now we disconnect the producer service from its consumer
mlt_service_disconnect( producer );
if ( producer != NULL )
return mlt_service_get_frame( producer, frame, index );
}
- *frame = mlt_frame_init( );
+ *frame = mlt_frame_init( this );
return 0;
}
{
mlt_position in = mlt_filter_get_in( base->filters[ i ] );
mlt_position out = mlt_filter_get_out( base->filters[ i ] );
- if ( ( in == 0 && out == 0 ) || ( position >= in && ( position <= out || out == 0 ) ) )
+ int disable = mlt_properties_get_int( MLT_FILTER_PROPERTIES( base->filters[ i ] ), "disable" );
+ if ( !disable && ( ( in == 0 && out == 0 ) || ( position >= in && ( position <= out || out == 0 ) ) ) )
{
mlt_properties_set_position( frame_properties, "in", in == 0 ? this_in : in );
mlt_properties_set_position( frame_properties, "out", out == 0 ? this_out : out );
int mlt_service_get_frame( mlt_service this, mlt_frame_ptr frame, int index )
{
+ int result = 0;
+
+ // Lock the service
mlt_service_lock( this );
+
+ // Ensure that the frame is NULL
+ *frame = NULL;
+
+ // Only process if we have a valid service
if ( this != NULL && this->get_frame != NULL )
{
- int result = 0;
mlt_properties properties = MLT_SERVICE_PROPERTIES( this );
mlt_position in = mlt_properties_get_position( properties, "in" );
mlt_position out = mlt_properties_get_position( properties, "out" );
- mlt_properties_inc_ref( properties );
+
result = this->get_frame( this, frame, index );
+
if ( result == 0 )
{
+ mlt_properties_inc_ref( properties );
properties = MLT_FRAME_PROPERTIES( *frame );
if ( in >=0 && out > 0 )
{
}
mlt_service_apply_filters( this, *frame, 1 );
mlt_deque_push_back( MLT_FRAME_SERVICE_STACK( *frame ), this );
- mlt_service_unlock( this );
- }
- else
- {
- mlt_service_unlock( this );
- mlt_service_close( this );
}
- return result;
}
+
+ // Make sure we return a frame
+ if ( *frame == NULL )
+ *frame = mlt_frame_init( this );
+
+ // Unlock the service
mlt_service_unlock( this );
- *frame = mlt_frame_init( );
- return 0;
+
+ return result;
}
static void mlt_service_filter_changed( mlt_service owner, mlt_service this )
return filter;
}
+/** Retrieve the profile.
+*/
+
+mlt_profile mlt_service_profile( mlt_service this )
+{
+ return mlt_properties_get_data( MLT_SERVICE_PROPERTIES( this ), "_profile", NULL );
+}
+
/** Close the service.
*/
void mlt_service_close( mlt_service this )
{
- mlt_service_lock( this );
if ( this != NULL && mlt_properties_dec_ref( MLT_SERVICE_PROPERTIES( this ) ) <= 0 )
{
- mlt_service_unlock( this );
if ( this->close != NULL )
{
this->close( this->close_object );