in point fix, low latency sdl, minor fixes
[melted] / src / modules / westley / producer_westley.c
index 9ac5fa3..094558b 100644 (file)
@@ -18,7 +18,9 @@
  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
-// TODO: destroy unreferenced producers
+// TODO: destroy unreferenced producers (they are currently destroyed
+//       when the returned producer is closed).
+// TODO: try using XmlReader interface to avoid global context issues in sax.
  
 #include "producer_westley.h"
 #include <framework/mlt.h>
@@ -91,6 +93,9 @@ static void on_start_tractor( deserialise_context context, const xmlChar *name,
                mlt_properties_set_position( properties, "length", length );
        }
 
+       if ( mlt_properties_get( properties, "id" ) != NULL )
+               mlt_properties_set_data( context->producer_map, mlt_properties_get( properties, "id" ), service, 0, NULL, NULL );
+       
        context_push_service( context, service );
 }
 
@@ -371,13 +376,27 @@ static void on_end_producer( deserialise_context context, const xmlChar *name )
        if ( properties == NULL )
                return;
                
-       // Instatiate the producer
-       if ( mlt_properties_get( properties, "resource" ) != NULL )
-               service = MLT_SERVICE( mlt_factory_producer( "fezzik", mlt_properties_get( properties, "resource" ) ) );
-       if ( service == NULL && mlt_properties_get( properties, "mlt_service" ) != NULL )
+       // Instantiate the producer
+       if ( mlt_properties_get( properties, "mlt_service" ) != NULL )
+       {
+               service = MLT_SERVICE( mlt_factory_producer( "fezzik", mlt_properties_get( properties, "mlt_service" ) ) );
+       }
+       if ( service == NULL && mlt_properties_get( properties, "resource" ) != NULL )
        {
-               service = MLT_SERVICE( mlt_factory_producer( mlt_properties_get( properties, "mlt_service" ),
-                       mlt_properties_get( properties, "resource" ) ) );
+               char *root = mlt_properties_get( context->producer_map, "_root" );
+               char *resource = mlt_properties_get( properties, "resource" );
+               char *full_resource = malloc( strlen( root ) + strlen( resource ) + 1 );
+               if ( resource[ 0 ] != '/' )
+               {
+                       strcpy( full_resource, root );
+                       strcat( full_resource, resource );
+               }
+               else
+               {
+                       strcpy( full_resource, resource );
+               }
+               service = MLT_SERVICE( mlt_factory_producer( "fezzik", full_resource ) );
+               free( full_resource );
        }
 
        track_service( context->destructors, service, (mlt_destructor) mlt_producer_close );
@@ -436,7 +455,7 @@ static void on_end_filter( deserialise_context context, const xmlChar *name )
        properties = mlt_service_properties( service );
 
        // Set in and out
-//fprintf( stderr, "setting filter in %lld out %lld\n", mlt_properties_get_position( properties, "in" ), mlt_properties_get_position( properties, "out" ) );
+//fprintf( stderr, "setting filter in %d out %d\n", mlt_properties_get_position( properties, "in" ), mlt_properties_get_position( properties, "out" ) );
        mlt_filter_set_in_and_out( MLT_FILTER( service ), 
                mlt_properties_get_position( properties, "in" ),
                mlt_properties_get_position( properties, "out" ) );
@@ -455,7 +474,7 @@ static void on_end_filter( deserialise_context context, const xmlChar *name )
                context_push_service( context, tractor );
        }
 
-//fprintf( stderr, "setting filter in %lld out %lld\n", mlt_properties_get_position( properties, "in" ), mlt_properties_get_position( properties, "out" ) );
+//fprintf( stderr, "setting filter in %d out %d\n", mlt_properties_get_position( properties, "in" ), mlt_properties_get_position( properties, "out" ) );
        // If a producer alias is in the producer_map, get it
        snprintf( key, 10, "%p", producer );
        if ( mlt_properties_get_data( context->producer_map, key, NULL ) != NULL )
@@ -582,7 +601,6 @@ static void on_characters( void *ctx, const xmlChar *ch, int len )
 
 mlt_producer producer_westley_init( char *filename )
 {
-       static int init = 0;
        xmlSAXHandler *sax = calloc( 1, sizeof( xmlSAXHandler ) );
        struct deserialise_context_s *context = calloc( 1, sizeof( struct deserialise_context_s ) );
        mlt_properties properties = NULL;
@@ -590,17 +608,27 @@ mlt_producer producer_westley_init( char *filename )
 
        context->producer_map = mlt_properties_new();
        context->destructors = mlt_properties_new();
+
        // We need to track the number of registered filters
        mlt_properties_set_int( context->destructors, "registered", 0 );
+
+       // We need the directory prefix which was used for the westley
+       mlt_properties_set( context->producer_map, "_root", "" );
+       if ( strchr( filename, '/' ) )
+       {
+               char *root = NULL;
+               mlt_properties_set( context->producer_map, "_root", filename );
+               root = mlt_properties_get( context->producer_map, "_root" );
+               *( strrchr( root, '/' ) + 1 ) = '\0';
+       }
+
        sax->startElement = on_start_element;
        sax->endElement = on_end_element;
        sax->characters = on_characters;
+       sax->cdataBlock = on_characters;
 
-       if ( !init )
-       {
-               xmlInitParser();
-               //init = 1;
-       }
+       // I REALLY DON'T GET THIS - HOW THE HELL CAN YOU REFERENCE A WESTLEY IN A WESTLEY???
+       xmlInitParser();
 
        xmlSAXUserParseFile( sax, context, filename );
 
@@ -647,10 +675,9 @@ mlt_producer producer_westley_init( char *filename )
        mlt_properties_close( context->producer_map );
        //free( context );
        free( sax );
-       xmlCleanupParser();
+       //xmlCleanupParser();
        xmlMemoryDump( );
 
 
        return MLT_PRODUCER( service );
 }
-