+ Added an option to override alignment and transparent borders for compositing

[melted] / src / modules / core / filter_luma.c

diff --git a/src/modules/core/filter_luma.c b/src/modules/core/filter_luma.c
index b1b27d6..94f06c7 100644 (file)
--- a/src/modules/core/filter_luma.c
+++ b/src/modules/core/filter_luma.c
@@ -36,10 +36,13 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
 {
        int error = 0;
        mlt_filter filter = mlt_frame_pop_service( this );
-       mlt_properties properties = mlt_filter_properties( filter );
+       mlt_properties properties = MLT_FILTER_PROPERTIES( filter );
        mlt_transition luma = mlt_properties_get_data( properties, "luma", NULL );
        mlt_frame b_frame = mlt_properties_get_data( properties, "frame", NULL );
-       int out = 24;
+       int out = mlt_properties_get_int( properties, "period" );
+       
+       if ( out == 0 )
+               out = 24;
 
        if ( luma == NULL )
        {
@@ -47,17 +50,15 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
                luma = mlt_factory_transition( "luma", resource );
                if ( luma != NULL )
                {
-                       mlt_properties luma_properties = mlt_transition_properties( luma );
+                       mlt_properties luma_properties = MLT_TRANSITION_PROPERTIES( luma );
                        mlt_properties_set_int( luma_properties, "in", 0 );
                        mlt_properties_set_int( luma_properties, "out", out );
                        mlt_properties_set_int( luma_properties, "reverse", 1 );
-                       mlt_properties_pass( luma_properties, properties, "luma." );
                        mlt_properties_set_data( properties, "luma", luma, 0, ( mlt_destructor )mlt_transition_close, NULL );
-                       out = mlt_properties_get_int( luma_properties, "out" );
                }
        }
 
-       if ( b_frame == NULL )
+       if ( b_frame == NULL || mlt_properties_get_int( b_frame, "width" ) != *width || mlt_properties_get_int( b_frame, "height" ) != *height )
        {
                b_frame = mlt_frame_init( );
                mlt_properties_set_data( properties, "frame", b_frame, 0, ( mlt_destructor )mlt_frame_close, NULL );
@@ -65,25 +66,30 @@ static int filter_get_image( mlt_frame this, uint8_t **image, mlt_image_format *
 
        if ( luma != NULL && 
                ( mlt_properties_get( properties, "blur" ) != NULL || 
-                 mlt_frame_get_position( this ) % ( out + 1 ) != out ) )
+                 (int)mlt_frame_get_position( this ) % ( out + 1 ) != out ) )
+       {
+               mlt_properties luma_properties = MLT_TRANSITION_PROPERTIES( luma );
+               mlt_properties_pass( luma_properties, properties, "luma." );
                mlt_transition_process( luma, this, b_frame );
+       }
 
        error = mlt_frame_get_image( this, image, format, width, height, 1 );
 
        if ( error == 0 )
        {
-               mlt_properties a_props = mlt_frame_properties( this );
+               mlt_properties a_props = MLT_FRAME_PROPERTIES( this );
                int size = 0;
                uint8_t *src = mlt_properties_get_data( a_props, "image", &size );
                uint8_t *dst = mlt_pool_alloc( size );
 
                if ( dst != NULL )
                {
-                       mlt_properties b_props = mlt_frame_properties( b_frame );
+                       mlt_properties b_props = MLT_FRAME_PROPERTIES( b_frame );
                        memcpy( dst, src, size );
                        mlt_properties_set_data( b_props, "image", dst, size, mlt_pool_release, NULL );
                        mlt_properties_set_int( b_props, "width", *width );
                        mlt_properties_set_int( b_props, "height", *height );
+                       mlt_properties_set_int( b_props, "format", *format );
                }
        }
 
@@ -112,11 +118,10 @@ mlt_filter filter_luma_init( void *arg )
        mlt_filter this = mlt_filter_new( );
        if ( this != NULL )
        {
-               mlt_properties properties = mlt_filter_properties( this );
+               mlt_properties properties = MLT_FILTER_PROPERTIES( this );
                this->process = filter_process;
                if ( arg != NULL )
                        mlt_properties_set( properties, "resource", arg );
        }
        return this;
 }
-