Cleanup license declarations and remove dv1394d references.

[melted] / src / framework / mlt_pool.c

diff --git a/src/framework/mlt_pool.c b/src/framework/mlt_pool.c
index 87da0df..7c8657c 100644 (file)
--- a/src/framework/mlt_pool.c
+++ b/src/framework/mlt_pool.c
@@ -3,19 +3,19 @@
  * 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 "mlt_properties.h"
@@ -294,6 +294,34 @@ void *mlt_pool_realloc( void *ptr, int size )
        return result;
 }
 
+/** Purge unused items in the pool.
+*/
+
+void mlt_pool_purge( )
+{
+       int i = 0;
+
+       // For each pool
+       for ( i = 0; i < mlt_properties_count( pools ); i ++ )
+       {
+               // Get the pool
+               mlt_pool this = mlt_properties_get_data_at( pools, i, NULL );
+
+               // Pointer to unused memory
+               void *release = NULL;
+
+               // Lock the pool
+               pthread_mutex_lock( &this->lock );
+
+               // We'll free all unused items now
+               while ( ( release = mlt_deque_pop_back( this->stack ) ) != NULL )
+                       free( release - sizeof( struct mlt_release_s ) );
+
+               // Unlock the pool
+               pthread_mutex_unlock( &this->lock );
+       }
+}
+
 /** Release the allocated memory.
 */