framework: remove global profile, rather share one mlt_profile across a service netwo...
[melted] / src / modules / core / transition_region.c
index 1e2f824..77878dd 100644 (file)
@@ -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 "transition_region.h"
@@ -46,13 +46,14 @@ static int create_instance( mlt_transition this, char *name, char *value, int co
                *arg ++ = '\0';
 
        // Create the filter
-       filter = mlt_factory_filter( type, arg );
+       mlt_profile profile = mlt_service_profile( MLT_TRANSITION_SERVICE( this ) );
+       filter = mlt_factory_filter( profile, 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 );
+               mlt_properties properties = MLT_TRANSITION_PROPERTIES( this );
 
                // String to hold the property name
                char id[ 256 ];
@@ -67,11 +68,11 @@ static int create_instance( mlt_transition this, char *name, char *value, int co
                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" );
+               //mlt_properties_set( MLT_FILTER_PROPERTIES( filter ), "composite.geometry", "0%,0%:100%x100%" );
+               //mlt_properties_set_int( MLT_FILTER_PROPERTIES( filter ), "composite.fill", 1 );
 
                // Pass all the key properties on the filter down
-               mlt_properties_pass( mlt_filter_properties( filter ), properties, key );
+               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 );
@@ -94,19 +95,19 @@ static uint8_t *filter_get_alpha_mask( mlt_frame this )
        uint8_t *alpha = NULL;
 
        // Obtain properties of frame
-       mlt_properties properties = mlt_frame_properties( this );
+       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" );
+       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_properties_set_int( MLT_FRAME_PROPERTIES( shape_frame ), "distort", 1 );
        mlt_frame_get_image( shape_frame, &image, &format, &region_width, &region_height, 0 );
 
        alpha = mlt_frame_get_alpha_mask( shape_frame );
@@ -119,13 +120,18 @@ static uint8_t *filter_get_alpha_mask( mlt_frame this )
                alpha = p;
                while ( size -- )
                {
-                       *p ++ = *image ++;
+                       *p ++ = ( int )( ( ( *image ++ - 16 ) * 299 ) / 255 );
                        image ++;
                }
-               mlt_properties_set_data( mlt_frame_properties( shape_frame ), "alpha", alpha, 
-                                                                region_width * region_height, mlt_pool_release, NULL );
+               mlt_properties_set_data( MLT_FRAME_PROPERTIES( this ), "alpha", alpha, region_width * region_height, mlt_pool_release, NULL );
+       }
+       else
+       {
+               mlt_properties_set_data( MLT_FRAME_PROPERTIES( this ), "alpha", alpha, region_width * region_height, NULL, NULL );
        }
 
+       this->get_alpha_mask = NULL;
+
        return alpha;
 }
 
@@ -144,7 +150,7 @@ static int transition_get_image( mlt_frame frame, uint8_t **image, mlt_image_for
        mlt_transition this = mlt_frame_pop_service( frame );
 
        // Get the properties of the transition
-       mlt_properties properties = mlt_transition_properties( this );
+       mlt_properties properties = MLT_TRANSITION_PROPERTIES( this );
 
        // Get the composite from the transition
        mlt_transition composite = mlt_properties_get_data( properties, "composite", NULL );
@@ -156,23 +162,24 @@ static int transition_get_image( mlt_frame frame, uint8_t **image, mlt_image_for
        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 );
+       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 );
+               mlt_profile profile = mlt_service_profile( MLT_TRANSITION_SERVICE( this ) );
+               composite = mlt_factory_transition( profile, "composite", NULL );
 
                // If we have one
                if ( composite != NULL )
                {
                        // Get the properties
-                       mlt_properties composite_properties = mlt_transition_properties( composite );
+                       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" );
+                       //mlt_properties_set_int( composite_properties, "distort", 1 );
+                       mlt_properties_set_int( composite_properties, "progressive", 1 );
 
                        // Pass all the composite. properties on the transition down
                        mlt_properties_pass( composite_properties, properties, "composite." );
@@ -184,7 +191,7 @@ static int transition_get_image( mlt_frame frame, uint8_t **image, mlt_image_for
        else
        {
                // Pass all current properties down
-               mlt_properties composite_properties = mlt_transition_properties( composite );
+               mlt_properties composite_properties = MLT_TRANSITION_PROPERTIES( composite );
                mlt_properties_pass( composite_properties, properties, "composite." );
        }
 
@@ -214,6 +221,9 @@ static int transition_get_image( mlt_frame frame, uint8_t **image, mlt_image_for
                                        count ++;
                        }
                }
+       
+               // Look for the first filter again
+               filter = mlt_properties_get_data( properties, "_filter_0", NULL );
        }
        else
        {
@@ -248,7 +258,7 @@ static int transition_get_image( mlt_frame frame, uint8_t **image, mlt_image_for
 
                                if ( temp != NULL )
                                {
-                                       mlt_properties_pass( mlt_filter_properties( temp ), properties, key );
+                                       mlt_properties_pass( MLT_FILTER_PROPERTIES( temp ), properties, key );
                                        count ++;
                                }
                        }
@@ -280,14 +290,17 @@ static int transition_get_image( mlt_frame frame, uint8_t **image, mlt_image_for
                        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 );
+                       mlt_properties_set_data( MLT_FRAME_PROPERTIES( frame ), name, b_frame, 0, ( mlt_destructor )mlt_frame_close, NULL );
                }
 
+               // Set the position of the b_frame
+               mlt_frame_set_position( b_frame, position );
+
                // Make sure the filter is in the correct position
                while ( filter != NULL )
                {
                        // Stack this filter
-                       if ( mlt_properties_get_int( mlt_filter_properties( filter ), "off" ) == 0 )
+                       if ( mlt_properties_get_int( MLT_FILTER_PROPERTIES( filter ), "off" ) == 0 )
                                mlt_filter_process( filter, b_frame );
 
                        // Generate the key for the next
@@ -300,7 +313,7 @@ static int transition_get_image( mlt_frame frame, uint8_t **image, mlt_image_for
                // Allow filters to be attached to a region filter
                filter = mlt_properties_get_data( properties, "_region_filter", NULL );
                if ( filter != NULL )
-                       mlt_service_apply_filters( mlt_filter_service( filter ), b_frame, 0 );
+                       mlt_service_apply_filters( MLT_FILTER_SERVICE( filter ), b_frame, 0 );
 
                // Hmm - this is probably going to go wrong....
                mlt_frame_set_position( frame, position );
@@ -333,14 +346,15 @@ static int transition_get_image( mlt_frame frame, uint8_t **image, mlt_image_for
                                        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 producer
+                               mlt_profile profile = mlt_service_profile( MLT_TRANSITION_SERVICE( this ) );
+                               producer = mlt_factory_producer( profile, factory, resource );
 
                                // If we have one
                                if ( producer != NULL )
                                {
                                        // Get the producer properties
-                                       mlt_properties producer_properties = mlt_producer_properties( producer );
+                                       mlt_properties producer_properties = MLT_PRODUCER_PROPERTIES( producer );
 
                                        // Ensure that we loop
                                        mlt_properties_set( producer_properties, "eof", "loop" );
@@ -363,10 +377,10 @@ static int transition_get_image( mlt_frame frame, uint8_t **image, mlt_image_for
                                mlt_producer_seek( producer, position );
 
                                // Get the shape frame
-                               if ( mlt_service_get_frame( mlt_producer_service( producer ), &shape_frame, 0 ) == 0 )
+                               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 );
+                                       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;
@@ -387,10 +401,10 @@ static int transition_get_image( mlt_frame frame, uint8_t **image, mlt_image_for
 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 );
+       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" );
+       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 ) );
@@ -411,7 +425,7 @@ static mlt_frame transition_process( mlt_transition this, mlt_frame a_frame, mlt
 /** Constructor for the transition.
 */
 
-mlt_transition transition_region_init( void *arg )
+mlt_transition transition_region_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
 {
        // Create a new transition
        mlt_transition this = mlt_transition_new( );
@@ -420,7 +434,7 @@ mlt_transition transition_region_init( void *arg )
        if ( this != NULL )
        {
                // Get the properties from the transition
-               mlt_properties properties = mlt_transition_properties( this );
+               mlt_properties properties = MLT_TRANSITION_PROPERTIES( this );
 
                // Assign the transition process method
                this->process = transition_process;
@@ -430,6 +444,9 @@ mlt_transition transition_region_init( void *arg )
                
                // Resource defines the shape of the region
                mlt_properties_set( properties, "resource", arg == NULL ? "rectangle" : arg );
+
+               // Inform apps and framework that this is a video only transition
+               mlt_properties_set_int( properties, "_transition_type", 1 );
        }
 
        // Return the transition