system( mlt_properties_get( properties, "ante" ) );
}
}
+ else
+ {
+ // Allow the hash table to speed things up
+ mlt_properties_set_data( properties, "test_card_producer", NULL, 0, NULL, NULL );
+ }
// Start the service
if ( this->start != NULL )
// Get the frame properties
mlt_properties frame_properties = mlt_frame_properties( frame );
- // Attach the test frame producer to it.
+ // Get the test card producer
mlt_producer test_card = mlt_properties_get_data( properties, "test_card_producer", NULL );
- mlt_properties_set_data( frame_properties, "test_card_producer", test_card, 0, NULL, NULL );
+
+ // Attach the test frame producer to it.
+ if ( test_card != NULL )
+ mlt_properties_set_data( frame_properties, "test_card_producer", test_card, 0, NULL, NULL );
// Attach the rescale property
- if ( mlt_properties_get( properties, "rescale" ) != NULL )
- mlt_properties_set( frame_properties, "rescale.interp", mlt_properties_get( properties, "rescale" ) );
+ mlt_properties_set( frame_properties, "rescale.interp", mlt_properties_get( properties, "rescale" ) );
// Aspect ratio and other jiggery pokery
mlt_properties_set_double( frame_properties, "consumer_aspect_ratio", mlt_properties_get_double( properties, "aspect_ratio" ) );
mlt_properties_set_int( frame_properties, "consumer_progressive", mlt_properties_get_int( properties, "progressive" ) );
mlt_properties_set_int( frame_properties, "consumer_deinterlace", mlt_properties_get_int( properties, "deinterlace" ) );
-
}
// Return the frame
#define _MLT_CONSUMER_H_
#include "mlt_service.h"
+#include <pthread.h>
/** The interface definition for all consumers.
*/
// Private data
void *private;
void *child;
+
+ int ahead;
+ int width;
+ int height;
+ mlt_image_format format;
+ mlt_deque queue;
+ pthread_t ahead_thread;
};
/** Public final methods
#include "mlt_properties.h"
#include "mlt_deque.h"
-typedef enum
-{
- mlt_image_none = 0,
- mlt_image_rgb24,
- mlt_image_rgb24a,
- mlt_image_yuv422,
- mlt_image_yuv420p
-}
-mlt_image_format;
-
typedef enum
{
mlt_video_standard_pal = 0,
{
property_list *list = this->private;
mlt_property value = NULL;
- int i = 0;
int key = generate_hash( name );
+ int i = list->hash[ key ];
// Check if we're hashed
if ( list->count > 0 &&
- name[ 0 ] == list->name[ list->hash[ key ] ][ 0 ] &&
- !strcmp( list->name[ list->hash[ key ] ], name ) )
- value = list->value[ list->hash[ key ] ];
+ name[ 0 ] == list->name[ i ][ 0 ] &&
+ !strcmp( list->name[ i ], name ) )
+ value = list->value[ i ];
// Locate the item
for ( i = 0; value == NULL && i < list->count; i ++ )
*/
extern int mlt_service_init( mlt_service this, void *child );
-//extern mlt_properties mlt_service_properties( mlt_service this );
extern int mlt_service_connect_producer( mlt_service this, mlt_service producer, int index );
extern mlt_service_state mlt_service_get_state( mlt_service this );
extern void mlt_service_close( mlt_service this );
#include "mlt_pool.h"
+typedef enum
+{
+ mlt_image_none = 0,
+ mlt_image_rgb24,
+ mlt_image_rgb24a,
+ mlt_image_yuv422,
+ mlt_image_yuv420p
+}
+mlt_image_format;
+
typedef enum
{
mlt_whence_relative_start,
filter_resize.o \
filter_volume.o \
filter_watermark.o \
+ producer_colour.o \
transition_composite.o \
transition_luma.o \
transition_mix.o \
- producer_colour.o
+ transition_region.o
CFLAGS = -O3 -I../../ -Wall -g -D_FILE_OFFSET_BITS=64 -pthread
ifneq ($(wildcard .depend),)
include .depend
endif
+
composite libmltcore.so
luma libmltcore.so
mix libmltcore.so
+region libmltcore.so
EOF
fi
#include "filter_region.h"
#include "filter_volume.h"
#include "filter_watermark.h"
+#include "producer_colour.h"
#include "transition_composite.h"
#include "transition_luma.h"
#include "transition_mix.h"
-#include "producer_colour.h"
+#include "transition_region.h"
void *mlt_create_producer( char *id, void *arg )
{
return transition_luma_init( arg );
if ( !strcmp( id, "mix" ) )
return transition_mix_init( arg );
+ if ( !strcmp( id, "region" ) )
+ return transition_region_init( arg );
return NULL;
}
*/
#include "filter_region.h"
-#include "transition_composite.h"
+#include "transition_region.h"
#include <framework/mlt.h>
#include <stdlib.h>
#include <string.h>
-static int create_instance( mlt_filter this, char *name, char *value, int count )
-{
- // Return from this function
- int error = 0;
-
- // Duplicate the value
- char *type = strdup( value );
-
- // Pointer to filter argument
- char *arg = type == NULL ? NULL : strchr( type, ':' );
-
- // New filter being created
- mlt_filter filter = NULL;
-
- // Cleanup type and arg
- if ( arg != NULL )
- *arg ++ = '\0';
-
- // Create the filter
- filter = mlt_factory_filter( type, arg );
-
- // If we have a filter, then initialise and store it
- if ( filter != NULL )
- {
- // Properties of this
- mlt_properties properties = mlt_filter_properties( this );
-
- // String to hold the property name
- char id[ 256 ];
-
- // String to hold the passdown key
- char key[ 256 ];
-
- // Construct id
- sprintf( id, "_filter_%d", count );
-
- // Counstruct key
- sprintf( key, "%s.", name );
-
- // Just in case, let's assume that the filter here has a composite
- mlt_properties_set( mlt_filter_properties( filter ), "composite.start", "0%,0%:100%x100%" );
- mlt_properties_set( mlt_filter_properties( filter ), "composite.fill", "true" );
-
- // Pass all the key properties on the filter down
- mlt_properties_pass( mlt_filter_properties( filter ), properties, key );
-
- // Ensure that filter is assigned
- mlt_properties_set_data( properties, id, filter, 0, ( mlt_destructor )mlt_filter_close, NULL );
- }
- else
- {
- // Indicate that an error has occurred
- error = 1;
- }
-
- // Cleanup
- free( type );
-
- // Return error condition
- return error;
-}
-
-static uint8_t *filter_get_alpha_mask( mlt_frame this )
-{
- // Obtain properties of frame
- mlt_properties properties = mlt_frame_properties( this );
-
- // Return the alpha mask
- return mlt_properties_get_data( properties, "alpha", NULL );
-}
-
-/** Do it :-).
+/** Filter processing.
*/
-static int filter_get_image( mlt_frame frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable )
+static mlt_frame filter_process( mlt_filter this, mlt_frame frame )
{
- // Error we will return
- int error = 0;
-
- // Get the watermark filter object
- mlt_filter this = mlt_frame_pop_service( frame );
-
// Get the properties of the filter
mlt_properties properties = mlt_filter_properties( this );
- // Get the composite from the filter
- mlt_transition composite = mlt_properties_get_data( properties, "composite", NULL );
-
- // Look for the first filter
- mlt_filter filter = mlt_properties_get_data( properties, "_filter_0", NULL );
-
- // Get the unique id of the filter (used to reacquire the producer position)
- char *name = mlt_properties_get( properties, "_unique_id" );
-
- // Get the original producer position
- mlt_position position = mlt_properties_get_position( mlt_frame_properties( frame ), name );
-
- // Create a composite if we don't have one
- if ( composite == NULL )
- {
- // Create composite via the factory
- composite = mlt_factory_transition( "composite", NULL );
-
- // If we have one
- if ( composite != NULL )
- {
- // Get the properties
- mlt_properties composite_properties = mlt_transition_properties( composite );
-
- // We want to ensure that we don't get a wobble...
- mlt_properties_set( composite_properties, "distort", "true" );
- mlt_properties_set( composite_properties, "progressive", "1" );
-
- // Pass all the composite. properties on the filter down
- mlt_properties_pass( composite_properties, properties, "composite." );
-
- // Register the composite for reuse/destruction
- mlt_properties_set_data( properties, "composite", composite, 0, ( mlt_destructor )mlt_transition_close, NULL );
- }
- }
-
- // Create filters
- if ( filter == NULL )
- {
- // Loop Variable
- int i = 0;
-
- // Number of filters created
- int count = 0;
+ // Get the region transition
+ mlt_transition transition = mlt_properties_get_data( properties, "_transition", NULL );
- // Loop for all properties
- for ( i = 0; i < mlt_properties_count( properties ); i ++ )
- {
- // Get the name of this property
- char *name = mlt_properties_get_name( properties, i );
-
- // If the name does not contain a . and matches filter
- if ( strchr( name, '.' ) == NULL && !strncmp( name, "filter", 6 ) )
- {
- // Get the filter constructor
- char *value = mlt_properties_get_value( properties, i );
-
- // Create an instance
- if ( create_instance( this, name, value, count ) == 0 )
- count ++;
- }
- }
- }
-
- // Get the image
- error = mlt_frame_get_image( frame, image, format, width, height, 1 );
-
- // Only continue if we have both filter and composite
- if ( composite != NULL && filter != NULL )
+ // Create the transition if not available
+ if ( transition == NULL )
{
- // Get the resource of this filter (could be a shape [rectangle/circle] or an alpha provider of choice
- char *resource = mlt_properties_get( properties, "resource" );
-
- // String to hold the filter to query on
- char id[ 256 ];
-
- // Index to hold the count
- int i = 0;
-
- // We will get the 'b frame' from the composite
- mlt_frame b_frame = composite_copy_region( composite, frame, position );
-
- // Make sure the filter is in the correct position
- while ( filter != NULL )
- {
- // Stack this filter
- mlt_filter_process( filter, b_frame );
-
- // Generate the key for the next
- sprintf( id, "_filter_%d", ++ i );
-
- // Get the next filter
- filter = mlt_properties_get_data( properties, id, NULL );
- }
-
- // Hmm - this is probably going to go wrong....
- mlt_frame_set_position( frame, position );
-
- // Get the b frame and process with composite if successful
- mlt_transition_process( composite, frame, b_frame );
-
- // If we have a shape producer copy the alpha mask from the shape frame to the b_frame
- if ( strcmp( resource, "rectangle" ) != 0 )
- {
- // Get the producer from the filter
- mlt_producer producer = mlt_properties_get_data( properties, "producer", NULL );
-
- // If We have no producer then create one
- if ( producer == NULL )
- {
- // Get the factory producer service
- char *factory = mlt_properties_get( properties, "factory" );
-
- // Special case circle resource
- if ( strcmp( resource, "circle" ) == 0 )
- {
- // Special case to ensure that fezzik produces a pixbuf with a NULL constructor
- resource = "pixbuf";
-
- // Specify the svg circle
- mlt_properties_set( properties, "producer.resource", "<svg width='100' height='100'><circle cx='50' cy='50' r='50' fill='black'/></svg>" );
- }
-
- // Create the producer
- producer = mlt_factory_producer( factory, resource );
+ // Create the transition
+ transition = mlt_factory_transition( "region", NULL );
- // If we have one
- if ( producer != NULL )
- {
- // Get the producer properties
- mlt_properties producer_properties = mlt_producer_properties( producer );
+ // Pass all properties down
+ mlt_properties_pass( mlt_transition_properties( transition ), properties, "" );
- // Ensure that we loop
- mlt_properties_set( producer_properties, "eof", "loop" );
-
- // Now pass all producer. properties on the filter down
- mlt_properties_pass( producer_properties, properties, "producer." );
-
- // Register the producer for reuse/destruction
- mlt_properties_set_data( properties, "producer", producer, 0, ( mlt_destructor )mlt_producer_close, NULL );
- }
- }
-
- // Now use the shape producer
- if ( producer != NULL )
- {
- // We will get the alpha frame from the producer
- mlt_frame shape_frame = NULL;
-
- // Make sure the producer is in the correct position
- mlt_producer_seek( producer, position );
-
- // Get the shape frame
- if ( mlt_service_get_frame( mlt_producer_service( producer ), &shape_frame, 0 ) == 0 )
- {
- int region_width = mlt_properties_get_int( mlt_frame_properties( b_frame ), "width" );
- int region_height = mlt_properties_get_int( mlt_frame_properties( b_frame ), "height" );
-
- // Get the shape image to trigger alpha creation
- mlt_properties_set( mlt_frame_properties( shape_frame ), "distort", "true" );
- error = mlt_frame_get_image( shape_frame, image, format, ®ion_width, ®ion_height, 1 );
-
- // Only override any existing b_frame alpha if the shape has an alpha
- if ( mlt_frame_get_alpha_mask( shape_frame ) != NULL )
- {
- // Set the b_frame alpha from the shape frame
- mlt_properties_set_data( mlt_frame_properties( b_frame ), "alpha", mlt_frame_get_alpha_mask( shape_frame ), 0 , NULL, NULL );
- b_frame->get_alpha_mask = filter_get_alpha_mask;
- }
-
- // Ensure that the shape frame will be closed
- mlt_properties_set_data( mlt_frame_properties( b_frame ), "shape_frame", shape_frame, 0, ( mlt_destructor )mlt_frame_close, NULL );
- }
- }
- }
-
- // Get the image
- error = mlt_frame_get_image( frame, image, format, width, height, 0 );
-
- // Close the b frame
- mlt_frame_close( b_frame );
+ // Register with the filter
+ mlt_properties_set_data( properties, "_transition", transition, 0, ( mlt_destructor )mlt_transition_close, NULL );
}
- return error;
-}
-
-/** Filter processing.
-*/
-
-static mlt_frame filter_process( mlt_filter this, mlt_frame frame )
-{
- // Get the properties of the frame
- mlt_properties properties = mlt_frame_properties( frame );
-
- // Get a unique name to store the frame position
- char *name = mlt_properties_get( mlt_filter_properties( this ), "_unique_id" );
-
- // Assign the current position to the name
- mlt_properties_set_position( properties, name, mlt_frame_get_position( frame ) );
-
- // Push the filter on to the frame
- mlt_frame_push_service( frame, this );
-
- // Push the filter method
- mlt_frame_push_get_image( frame, filter_get_image );
-
- // Return the frame
- return frame;
+ // Process the frame
+ return mlt_transition_process( transition, frame, NULL );
}
/** Constructor for the filter.
// Assign the filter process method
this->process = filter_process;
- mlt_properties_set( properties, "factory", "fezzik" );
-
// Resource defines the shape of the region
mlt_properties_set( properties, "resource", arg == NULL ? "rectangle" : arg );
}
--- /dev/null
+/*
+ * transition_region.c -- region transition
+ * 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 program 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.
+ *
+ * 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.
+ */
+
+#include "transition_region.h"
+#include "transition_composite.h"
+
+#include <framework/mlt.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static int create_instance( mlt_transition this, char *name, char *value, int count )
+{
+ // Return from this function
+ int error = 0;
+
+ // Duplicate the value
+ char *type = strdup( value );
+
+ // Pointer to filter argument
+ char *arg = type == NULL ? NULL : strchr( type, ':' );
+
+ // New filter being created
+ mlt_filter filter = NULL;
+
+ // Cleanup type and arg
+ if ( arg != NULL )
+ *arg ++ = '\0';
+
+ // Create the filter
+ filter = mlt_factory_filter( type, arg );
+
+ // If we have a filter, then initialise and store it
+ if ( filter != NULL )
+ {
+ // Properties of this
+ mlt_properties properties = mlt_transition_properties( this );
+
+ // String to hold the property name
+ char id[ 256 ];
+
+ // String to hold the passdown key
+ char key[ 256 ];
+
+ // Construct id
+ sprintf( id, "_filter_%d", count );
+
+ // Counstruct key
+ sprintf( key, "%s.", name );
+
+ // Just in case, let's assume that the filter here has a composite
+ mlt_properties_set( mlt_filter_properties( filter ), "composite.start", "0%,0%:100%x100%" );
+ mlt_properties_set( mlt_filter_properties( filter ), "composite.fill", "true" );
+
+ // Pass all the key properties on the filter down
+ mlt_properties_pass( mlt_filter_properties( filter ), properties, key );
+
+ // Ensure that filter is assigned
+ mlt_properties_set_data( properties, id, filter, 0, ( mlt_destructor )mlt_filter_close, NULL );
+ }
+ else
+ {
+ // Indicate that an error has occurred
+ error = 1;
+ }
+
+ // Cleanup
+ free( type );
+
+ // Return error condition
+ return error;
+}
+
+static uint8_t *filter_get_alpha_mask( mlt_frame this )
+{
+ // Obtain properties of frame
+ mlt_properties properties = mlt_frame_properties( this );
+
+ // Get the shape frame
+ mlt_frame shape_frame = mlt_properties_get_data( properties, "shape_frame", NULL );
+
+ // Get the width and height of the image
+ int region_width = mlt_properties_get_int( mlt_frame_properties( this ), "width" );
+ int region_height = mlt_properties_get_int( mlt_frame_properties( this ), "height" );
+ uint8_t *image = NULL;
+ mlt_image_format format = mlt_image_yuv422;
+
+ // Get the shape image to trigger alpha creation
+ mlt_properties_set( mlt_frame_properties( shape_frame ), "distort", "true" );
+ mlt_frame_get_image( shape_frame, &image, &format, ®ion_width, ®ion_height, 0 );
+
+ return mlt_frame_get_alpha_mask( shape_frame );
+}
+
+/** Do it :-).
+*/
+
+static int transition_get_image( mlt_frame frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable )
+{
+ // Error we will return
+ int error = 0;
+
+ // Get the watermark transition object
+ mlt_transition this = mlt_frame_pop_service( frame );
+
+ // We will get the 'b frame' from the frame stack
+ mlt_frame b_frame = mlt_frame_pop_frame( frame );
+
+ // Get the properties of the transition
+ mlt_properties properties = mlt_transition_properties( this );
+
+ // Get the composite from the transition
+ mlt_transition composite = mlt_properties_get_data( properties, "composite", NULL );
+
+ // Look for the first filter
+ mlt_filter filter = mlt_properties_get_data( properties, "_filter_0", NULL );
+
+ // Get the unique id of the filter (used to reacquire the producer position)
+ char *name = mlt_properties_get( properties, "_unique_id" );
+
+ // Get the original producer position
+ mlt_position position = mlt_properties_get_position( mlt_frame_properties( frame ), name );
+
+ // Create a composite if we don't have one
+ if ( composite == NULL )
+ {
+ // Create composite via the factory
+ composite = mlt_factory_transition( "composite", NULL );
+
+ // If we have one
+ if ( composite != NULL )
+ {
+ // Get the properties
+ mlt_properties composite_properties = mlt_transition_properties( composite );
+
+ // We want to ensure that we don't get a wobble...
+ mlt_properties_set( composite_properties, "distort", "true" );
+ mlt_properties_set( composite_properties, "progressive", "1" );
+
+ // Pass all the composite. properties on the transition down
+ mlt_properties_pass( composite_properties, properties, "composite." );
+
+ // Register the composite for reuse/destruction
+ mlt_properties_set_data( properties, "composite", composite, 0, ( mlt_destructor )mlt_transition_close, NULL );
+ }
+ }
+
+ // Create filters
+ if ( filter == NULL )
+ {
+ // Loop Variable
+ int i = 0;
+
+ // Number of filters created
+ int count = 0;
+
+ // Loop for all properties
+ for ( i = 0; i < mlt_properties_count( properties ); i ++ )
+ {
+ // Get the name of this property
+ char *name = mlt_properties_get_name( properties, i );
+
+ // If the name does not contain a . and matches filter
+ if ( strchr( name, '.' ) == NULL && !strncmp( name, "filter", 6 ) )
+ {
+ // Get the filter constructor
+ char *value = mlt_properties_get_value( properties, i );
+
+ // Create an instance
+ if ( create_instance( this, name, value, count ) == 0 )
+ count ++;
+ }
+ }
+ }
+
+ // Get the image
+ error = mlt_frame_get_image( frame, image, format, width, height, 1 );
+
+ // Only continue if we have both filter and composite
+ if ( composite != NULL )
+ {
+ // Get the resource of this filter (could be a shape [rectangle/circle] or an alpha provider of choice
+ char *resource = mlt_properties_get( properties, "resource" );
+
+ // String to hold the filter to query on
+ char id[ 256 ];
+
+ // Index to hold the count
+ int i = 0;
+
+ // We will get the 'b frame' from the composite only if it's NULL
+ if ( b_frame == NULL )
+ {
+ // Copy the region
+ b_frame = composite_copy_region( composite, frame, position );
+
+ // Ensure a destructor
+ mlt_properties_set_data( mlt_frame_properties( frame ), name, b_frame, 0, ( mlt_destructor )mlt_frame_close, NULL );
+ }
+
+ // Make sure the filter is in the correct position
+ while ( filter != NULL )
+ {
+ // Stack this filter
+ mlt_filter_process( filter, b_frame );
+
+ // Generate the key for the next
+ sprintf( id, "_filter_%d", ++ i );
+
+ // Get the next filter
+ filter = mlt_properties_get_data( properties, id, NULL );
+ }
+
+ // Hmm - this is probably going to go wrong....
+ mlt_frame_set_position( frame, position );
+
+ // Get the b frame and process with composite if successful
+ mlt_transition_process( composite, frame, b_frame );
+
+ // If we have a shape producer copy the alpha mask from the shape frame to the b_frame
+ if ( strcmp( resource, "rectangle" ) != 0 )
+ {
+ // Get the producer from the transition
+ mlt_producer producer = mlt_properties_get_data( properties, "producer", NULL );
+
+ // If We have no producer then create one
+ if ( producer == NULL )
+ {
+ // Get the factory producer service
+ char *factory = mlt_properties_get( properties, "factory" );
+
+ // Special case circle resource
+ if ( strcmp( resource, "circle" ) == 0 )
+ {
+ // Special case to ensure that fezzik produces a pixbuf with a NULL constructor
+ resource = "pixbuf";
+
+ // Specify the svg circle
+ mlt_properties_set( properties, "producer.resource", "<svg width='100' height='100'><circle cx='50' cy='50' r='50' fill='black'/></svg>" );
+ }
+
+ // Create the producer
+ producer = mlt_factory_producer( factory, resource );
+
+ // If we have one
+ if ( producer != NULL )
+ {
+ // Get the producer properties
+ mlt_properties producer_properties = mlt_producer_properties( producer );
+
+ // Ensure that we loop
+ mlt_properties_set( producer_properties, "eof", "loop" );
+
+ // Now pass all producer. properties on the transition down
+ mlt_properties_pass( producer_properties, properties, "producer." );
+
+ // Register the producer for reuse/destruction
+ mlt_properties_set_data( properties, "producer", producer, 0, ( mlt_destructor )mlt_producer_close, NULL );
+ }
+ }
+
+ // Now use the shape producer
+ if ( producer != NULL )
+ {
+ // We will get the alpha frame from the producer
+ mlt_frame shape_frame = NULL;
+
+ // Make sure the producer is in the correct position
+ mlt_producer_seek( producer, position );
+
+ // Get the shape frame
+ if ( mlt_service_get_frame( mlt_producer_service( producer ), &shape_frame, 0 ) == 0 )
+ {
+ // Ensure that the shape frame will be closed
+ mlt_properties_set_data( mlt_frame_properties( b_frame ), "shape_frame", shape_frame, 0, ( mlt_destructor )mlt_frame_close, NULL );
+
+ // Specify the callback for evaluation
+ b_frame->get_alpha_mask = filter_get_alpha_mask;
+ }
+ }
+ }
+
+ // Get the image
+ error = mlt_frame_get_image( frame, image, format, width, height, 0 );
+ }
+
+ return error;
+}
+
+/** Filter processing.
+*/
+
+static mlt_frame transition_process( mlt_transition this, mlt_frame a_frame, mlt_frame b_frame )
+{
+ // Get the properties of the frame
+ mlt_properties properties = mlt_frame_properties( a_frame );
+
+ // Get a unique name to store the frame position
+ char *name = mlt_properties_get( mlt_transition_properties( this ), "_unique_id" );
+
+ // Assign the current position to the name
+ mlt_properties_set_position( properties, name, mlt_frame_get_position( a_frame ) );
+
+ // Push the transition on to the frame
+ mlt_frame_push_service( a_frame, this );
+
+ // Push the transition method
+ mlt_frame_push_get_image( a_frame, transition_get_image );
+
+ // Push the b_frame on to the stack
+ mlt_frame_push_frame( a_frame, b_frame );
+
+ // Return the frame
+ return a_frame;
+}
+
+/** Constructor for the transition.
+*/
+
+mlt_transition transition_region_init( void *arg )
+{
+ // Create a new transition
+ mlt_transition this = mlt_transition_new( );
+
+ // Further initialisation
+ if ( this != NULL )
+ {
+ // Get the properties from the transition
+ mlt_properties properties = mlt_transition_properties( this );
+
+ // Assign the transition process method
+ this->process = transition_process;
+
+ // Default factory
+ mlt_properties_set( properties, "factory", "fezzik" );
+
+ // Resource defines the shape of the region
+ mlt_properties_set( properties, "resource", arg == NULL ? "rectangle" : arg );
+ }
+
+ // Return the transition
+ return this;
+}
+
--- /dev/null
+/*
+ * transition_region.h -- region transition
+ * 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 program 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.
+ *
+ * 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.
+ */
+
+#ifndef _TRANSITION_REGION_H_
+#define _TRANSITION_REGION_H_
+
+#include <framework/mlt_transition.h>
+
+extern mlt_transition transition_region_init( void *arg );
+
+#endif
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