fezzik gets a rhyming dictionary

[melted] / src / framework / mlt_tractor.c

diff --git a/src/framework/mlt_tractor.c b/src/framework/mlt_tractor.c
index d818fb5..2363448 100644 (file)
--- a/src/framework/mlt_tractor.c
+++ b/src/framework/mlt_tractor.c
@@ -26,6 +26,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 /** Private structure.
 */
@@ -40,6 +41,7 @@ struct mlt_tractor_s
 */
 
 static int producer_get_frame( mlt_producer this, mlt_frame_ptr frame, int track );
+static void producer_close( mlt_producer this );
 
 /** Constructor for the tractor.
 
@@ -54,8 +56,12 @@ mlt_tractor mlt_tractor_init( )
                mlt_producer producer = &this->parent;
                if ( mlt_producer_init( producer, this ) == 0 )
                {
-                       producer->get_frame = producer_get_frame;
                        mlt_properties_set( mlt_producer_properties( producer ), "resource", "<tractor>" );
+                       mlt_properties_set( mlt_producer_properties( producer ), "mlt_type", "mlt_producer" );
+                       mlt_properties_set( mlt_producer_properties( producer ), "mlt_service", "tractor" );
+
+                       producer->get_frame = producer_get_frame;
+                       producer->close = producer_close;
                }
                else
                {
@@ -129,55 +135,65 @@ static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int tra
                // Try to obtain the multitrack associated to the tractor
                mlt_multitrack multitrack = mlt_properties_get_data( properties, "multitrack", NULL );
 
+               // Or a specific producer
+               mlt_producer producer = mlt_properties_get_data( properties, "producer", NULL );
+
                // If we don't have one, we're in trouble... 
                if ( multitrack != NULL )
                {
                        mlt_producer target = mlt_multitrack_producer( multitrack );
                        mlt_producer_seek( target, mlt_producer_frame( parent ) );
                        mlt_producer_set_speed( target, mlt_producer_get_speed( parent ) );
-               }
-               else
-               {
-                       fprintf( stderr, "tractor without a multitrack!!\n" );
-               }
-
-               // Loop through each of the tracks we're harvesting
-               for ( i = 0; !done; i ++ )
-               {
-                       // Get a frame from the producer
-                       mlt_service_get_frame( this->producer, &temp, i );
-
-                       // Check for last track
-                       done = mlt_properties_get_int( mlt_frame_properties( temp ), "last_track" );
 
-                       // Handle the frame
-                       if ( done && looking )
+                       // Loop through each of the tracks we're harvesting
+                       for ( i = 0; !done; i ++ )
                        {
-                               // Use this as output if we don't have one already
-                               *frame = temp;
+                               // Get a frame from the producer
+                               mlt_service_get_frame( this->producer, &temp, i );
+
+                               // Check for last track
+                               done = mlt_properties_get_int( mlt_frame_properties( temp ), "last_track" );
+
+                               // Handle the frame
+                               if ( done && looking )
+                               {
+                                       // Use this as output if we don't have one already
+                                       *frame = temp;
+                               }
+                               else if ( ( !mlt_frame_is_test_card( temp ) || !mlt_frame_is_test_audio( temp ) ) && looking &&
+                                               mlt_producer_frame( parent ) == mlt_frame_get_position( temp ) )
+                               {
+                                       *frame = temp;
+                                       looking = 0;
+                               }
+                               else
+                               {
+                                       // We store all other frames for now
+                                       store[ count ++ ] = temp;
+                               }
                        }
-                       else if ( ( !mlt_frame_is_test_card( temp ) || !mlt_frame_is_test_audio( temp ) ) && looking &&
-                                           mlt_producer_frame( parent ) == mlt_frame_get_position( temp ) )
+       
+                       // Now place all the unused frames on to the properties (will be destroyed automatically)
+                       while ( count -- )
                        {
-                               *frame = temp;
-                               looking = 0;
-                       }
-                       else
-                       {
-                               // We store all other frames for now
-                               store[ count ++ ] = temp;
+                               mlt_properties frame_properties = mlt_frame_properties( *frame );
+                               char label[ 30 ];
+                               sprintf( label, "tractor_%d", count );
+                               while ( mlt_properties_get_data( frame_properties, label, NULL ) != NULL )
+                                       strcat( label, "+" );
+                               mlt_properties_set_data( frame_properties, label, store[ count ], 0, ( mlt_destructor )mlt_frame_close, NULL );
                        }
                }
-
-               // Now place all the unused frames on to the properties (will be destroyed automatically)
-               while ( count -- )
+               else if ( producer != NULL )
+               {
+                       mlt_producer_seek( producer, mlt_producer_frame( parent ) );
+                       mlt_producer_set_speed( producer, mlt_producer_get_speed( parent ) );
+                       mlt_service_get_frame( this->producer, frame, track );
+               }
+               else
                {
-                       mlt_properties frame_properties = mlt_frame_properties( *frame );
-                       char label[ 30 ];
-                       sprintf( label, "tractor_%d", count );
-                       while ( mlt_properties_get_data( frame_properties, label, NULL ) != NULL )
-                               strcat( label, "+" );
-                       mlt_properties_set_data( frame_properties, label, store[ count ], 0, ( mlt_destructor )mlt_frame_close, NULL );
+                       fprintf( stderr, "tractor without a multitrack!!\n" );
+                       mlt_service_get_frame( this->producer, frame, track );
                }
 
                // Prepare the next frame
@@ -199,7 +215,16 @@ static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int tra
 
 void mlt_tractor_close( mlt_tractor this )
 {
+       this->parent.close = NULL;
        mlt_producer_close( &this->parent );
        free( this );
 }
 
+/** Close the producer.
+*/
+
+static void producer_close( mlt_producer this )
+{
+       mlt_tractor_close( this->child );
+}
+