]> git.sesse.net Git - mlt/blobdiff - src/modules/plus/filter_affine.c
Refactor to use mlt_frame_set_image/_alpha.
[mlt] / src / modules / plus / filter_affine.c
index 8c78686670479589005e0a309e5651bf2ea489fc..1318b2814f1a66cfa6dc412293c5cdf6c571ea60 100644 (file)
@@ -3,23 +3,22 @@
  * 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 "filter_affine.h"
-
+#include <framework/mlt_filter.h>
 #include <framework/mlt.h>
 
 #include <stdio.h>
@@ -35,14 +34,17 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
        mlt_filter filter = mlt_frame_pop_service( this );
 
        // Get the properties
-       mlt_properties properties = mlt_filter_properties( filter );
+       mlt_properties properties = MLT_FILTER_PROPERTIES( filter );
 
        // Get the image
-       int error = mlt_frame_get_image( this, image, format, width, height, 0 );
+       int error = 0;
+       *format = mlt_image_rgb24a;
+       //mlt_frame_get_image( this, image, format, width, height, 0 );
 
        // Only process if we have no error and a valid colour space
-       if ( error == 0 && *format == mlt_image_yuv422 )
+       if ( error == 0 )
        {
+               mlt_service_lock( MLT_FILTER_SERVICE( filter ) );
                mlt_producer producer = mlt_properties_get_data( properties, "producer", NULL );
                mlt_transition transition = mlt_properties_get_data( properties, "transition", NULL );
                mlt_frame a_frame = NULL;
@@ -50,34 +52,65 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
                if ( producer == NULL )
                {
                        char *background = mlt_properties_get( properties, "background" );
-                       producer = mlt_factory_producer( "fezzik", background );
+                       mlt_profile profile = mlt_service_profile( MLT_FILTER_SERVICE( filter ) );
+                       producer = mlt_factory_producer( profile, NULL, background );
                        mlt_properties_set_data( properties, "producer", producer, 0, (mlt_destructor)mlt_producer_close, NULL );
                }
 
                if ( transition == NULL )
                {
-                       transition = mlt_factory_transition( "affine", NULL );
+                       mlt_profile profile = mlt_service_profile( MLT_FILTER_SERVICE( filter ) );
+                       transition = mlt_factory_transition( profile, "affine", NULL );
                        mlt_properties_set_data( properties, "transition", transition, 0, (mlt_destructor)mlt_transition_close, NULL );
                }
 
                if ( producer != NULL && transition != NULL )
                {
                        char *name = mlt_properties_get( properties, "_unique_id" );
-                       mlt_position position = mlt_properties_get_position( mlt_frame_properties( this ), name );
-                       mlt_properties frame_properties = mlt_frame_properties( this );
-                       mlt_producer_seek( producer, position );
+                       mlt_position position = mlt_properties_get_position( MLT_FRAME_PROPERTIES( this ), name );
+                       mlt_properties frame_properties = MLT_FRAME_PROPERTIES( this );
+                       mlt_position in = mlt_filter_get_in( filter );
+                       mlt_position out = mlt_filter_get_out( filter );
+                       double consumer_ar = mlt_properties_get_double( frame_properties, "consumer_aspect_ratio" );
+                       mlt_transition_set_in_and_out( transition, in, out );
+                       if ( out > 0 ) {
+                               mlt_properties_set_position( MLT_PRODUCER_PROPERTIES( producer ), "length", out - in + 1 );
+                               mlt_producer_set_in_and_out( producer, in, out );
+                       }
+                       mlt_producer_seek( producer, position - in );
                        mlt_frame_set_position( this, position );
-                       mlt_properties_pass( mlt_producer_properties( producer ), properties, "producer." );
-                       mlt_properties_pass( mlt_transition_properties( transition ), properties, "transition." );
-                       mlt_service_get_frame( mlt_producer_service( producer ), &a_frame, 0 );
-                       mlt_properties_set( mlt_frame_properties( a_frame ), "rescale_interp", "nearest" );
-                       mlt_properties_set( mlt_frame_properties( a_frame ), "distort", "true" );
-                       mlt_properties_set_double( mlt_frame_properties( a_frame ), "consumer_aspect_ratio", 
-                                                                          mlt_properties_get_double( frame_properties, "consumer_aspect_ratio" ) );
+                       mlt_properties_pass( MLT_PRODUCER_PROPERTIES( producer ), properties, "producer." );
+                       mlt_properties_pass( MLT_TRANSITION_PROPERTIES( transition ), properties, "transition." );
+                       mlt_service_get_frame( MLT_PRODUCER_SERVICE( producer ), &a_frame, 0 );
+                       mlt_frame_set_position( a_frame, position );
+//                     mlt_properties_set_int( MLT_FRAME_PROPERTIES( a_frame ), "distort", 1 );
+
+                       // Special case - aspect_ratio = 0
+                       if ( mlt_properties_get_double( frame_properties, "aspect_ratio" ) == 0 )
+                               mlt_properties_set_double( frame_properties, "aspect_ratio", consumer_ar );
+                       if ( mlt_properties_get_double( MLT_FRAME_PROPERTIES( a_frame ), "aspect_ratio" ) == 0 )
+                               mlt_properties_set_double( MLT_FRAME_PROPERTIES( a_frame ), "aspect_ratio", consumer_ar );
+                       mlt_properties_set_double( MLT_FRAME_PROPERTIES( a_frame ), "consumer_aspect_ratio", consumer_ar );
+
+                       // Add the affine transition onto the frame stack
+                       mlt_service_unlock( MLT_FILTER_SERVICE( filter ) );
                        mlt_transition_process( transition, a_frame, this );
+
+                       if (mlt_properties_get_int( properties, "use_normalised" ))
+                       {
+                               // Use the normalised width & height from the a_frame
+                               *width = mlt_properties_get_int( MLT_FRAME_PROPERTIES( a_frame ), "normalised_width" );
+                               *height = mlt_properties_get_int( MLT_FRAME_PROPERTIES( a_frame ), "normalised_height" );
+                       }
+                       
                        mlt_frame_get_image( a_frame, image, format, width, height, writable );
                        mlt_properties_set_data( frame_properties, "affine_frame", a_frame, 0, (mlt_destructor)mlt_frame_close, NULL );
-                       mlt_properties_set_data( frame_properties, "image", *image, *width * *height * 2, NULL, NULL );
+                       mlt_frame_set_image( this, *image, *width * *height * 4, NULL );
+                       mlt_frame_set_alpha( this, mlt_frame_get_alpha_mask( a_frame ), *width * *height, NULL );
+               }
+               else
+               {
+                       mlt_service_unlock( MLT_FILTER_SERVICE( filter ) );
                }
        }
 
@@ -90,10 +123,10 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
 static mlt_frame filter_process( mlt_filter this, mlt_frame frame )
 {
        // Get the properties of the frame
-       mlt_properties properties = mlt_frame_properties( 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" );
+       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 ) );
@@ -101,20 +134,20 @@ static mlt_frame filter_process( mlt_filter this, mlt_frame frame )
        // Push the frame filter
        mlt_frame_push_service( frame, this );
        mlt_frame_push_get_image( frame, filter_get_image );
+
        return frame;
 }
 
 /** Constructor for the filter.
 */
 
-mlt_filter filter_affine_init( char *arg )
+mlt_filter filter_affine_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
 {
        mlt_filter this = mlt_filter_new( );
        if ( this != NULL )
        {
                this->process = filter_process;
-               mlt_properties_set( mlt_filter_properties( this ), "background", "colour:black" );
-               mlt_properties_set( mlt_filter_properties( this ), "transition.rotate_x", "10" );
+               mlt_properties_set( MLT_FILTER_PROPERTIES( this ), "background", "colour:black" );
        }
        return this;
 }