X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Fcore%2Ftransition_luma.c;h=f08d84f76bfc8c1050f236389107081b323c3fad;hb=e0983d216bc8b3d34225d42761060940d6da4f3c;hp=55e9e3efe72a5e8198dbcd7442a2a527d24064b7;hpb=a162148e8a943e50f41941104b6c418ac8b95236;p=melted

diff --git a/src/modules/core/transition_luma.c b/src/modules/core/transition_luma.c
index 55e9e3e..f08d84f 100644
--- a/src/modules/core/transition_luma.c
+++ b/src/modules/core/transition_luma.c
@@ -146,6 +146,9 @@ static void luma_composite( mlt_frame a_frame, mlt_frame b_frame, int luma_width
 	mlt_frame_get_image( a_frame, &p_dest, &format_dest, &width_dest, &height_dest, 1 );
 	mlt_frame_get_image( b_frame, &p_src, &format_src, &width_src, &height_src, 0 );
 
+	if ( *width == 0 || *height == 0 )
+		return;
+
 	// Pick the lesser of two evils ;-)
 	width_src = width_src > width_dest ? width_dest : width_src;
 	height_src = height_src > height_dest ? height_dest : height_src;
@@ -378,6 +381,7 @@ static int transition_get_image( mlt_frame a_frame, uint8_t **image, mlt_image_f
 	int luma_width = mlt_properties_get_int( properties, "width" );
 	int luma_height = mlt_properties_get_int( properties, "height" );
 	uint16_t *luma_bitmap = mlt_properties_get_data( properties, "bitmap", NULL );
+	char *current_resource = mlt_properties_get( properties, "_resource" );
 	
 	// If the filename property changed, reload the map
 	char *resource = mlt_properties_get( properties, "resource" );
@@ -389,7 +393,7 @@ static int transition_get_image( mlt_frame a_frame, uint8_t **image, mlt_image_f
 		luma_height = mlt_properties_get_int( a_props, "height" );
 	}
 		
-	if ( luma_bitmap == NULL && resource != NULL )
+	if ( resource != current_resource )
 	{
 		char temp[ 512 ];
 		char *extension = strrchr( resource, '.' );
@@ -421,9 +425,16 @@ static int transition_get_image( mlt_frame a_frame, uint8_t **image, mlt_image_f
 				// Set the transition properties
 				mlt_properties_set_int( properties, "width", luma_width );
 				mlt_properties_set_int( properties, "height", luma_height );
+				mlt_properties_set( properties, "_resource", resource );
 				mlt_properties_set_data( properties, "bitmap", luma_bitmap, luma_width * luma_height * 2, mlt_pool_release, NULL );
 			}
 		}
+		else if (!*resource) 
+		{
+		    luma_bitmap = NULL;
+		    mlt_properties_set( properties, "_resource", NULL );
+		    mlt_properties_set_data( properties, "bitmap", luma_bitmap, 0, mlt_pool_release, NULL );
+		}
 		else
 		{
 			// Get the factory producer service
@@ -468,6 +479,7 @@ static int transition_get_image( mlt_frame a_frame, uint8_t **image, mlt_image_f
 					// Set the transition properties
 					mlt_properties_set_int( properties, "width", luma_width );
 					mlt_properties_set_int( properties, "height", luma_height );
+					mlt_properties_set( properties, "_resource", resource);
 					mlt_properties_set_data( properties, "bitmap", luma_bitmap, luma_width * luma_height * 2, mlt_pool_release, NULL );
 
 					// Cleanup the luma frame
@@ -518,7 +530,6 @@ static int transition_get_image( mlt_frame a_frame, uint8_t **image, mlt_image_f
 	if ( mlt_properties_get( properties, "fixed" ) )
 		mix = mlt_properties_get_double( properties, "fixed" );
 
-
 	if ( luma_width > 0 && luma_height > 0 && luma_bitmap != NULL )
 		// Composite the frames using a luma map
 		luma_composite( !invert ? a_frame : b_frame, !invert ? b_frame : a_frame, luma_width, luma_height, luma_bitmap, mix, frame_delta,
@@ -527,7 +538,6 @@ static int transition_get_image( mlt_frame a_frame, uint8_t **image, mlt_image_f
 		// Dissolve the frames using the time offset for mix value
 		dissolve_yuv( a_frame, b_frame, mix, *width, *height );
 
-
 	// Extract the a_frame image info
 	*width = mlt_properties_get_int( !invert ? a_props : b_props, "width" );
 	*height = mlt_properties_get_int( !invert ? a_props : b_props, "height" );