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Patch: 01-crash-affine.diff
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commit ab626f7543e0498e3ca3842ba69ad2f2e66ce227
Author: Dan Dennedy <dan@dennedy.org>
Date: Sun Jan 29 00:43:28 2017 -0800
Fix crash in affine due to relaxed constraints.
diff --git a/src/modules/plus/transition_affine.c b/src/modules/plus/transition_affine.c
index 8c8820e..91607fd 100644
--- a/src/modules/plus/transition_affine.c
+++ b/src/modules/plus/transition_affine.c
@@ -1,6 +1,6 @@
/*
* transition_affine.c -- affine transformations
- * Copyright (C) 2003-2016 Meltytech, LLC
+ * Copyright (C) 2003-2017 Meltytech, LLC
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@@ -552,8 +552,8 @@ static int transition_get_image( mlt_frame a_frame, uint8_t **image, mlt_image_f
// Affine boundaries
float minima = 0;
- float xmax = b_width;
- float ymax = b_height;
+ float xmax = b_width - 1;
+ float ymax = b_height - 1;
// Set the interpolation function
if ( interps == NULL || strcmp( interps, "nearest" ) == 0 || strcmp( interps, "neighbor" ) == 0 || strcmp( interps, "tiles" ) == 0 || strcmp( interps, "fast_bilinear" ) == 0 )
@@ -567,9 +567,7 @@ static int transition_get_image( mlt_frame a_frame, uint8_t **image, mlt_image_f
else if ( strcmp( interps, "bilinear" ) == 0 )
{
interp = interpBL_b32;
- // uses floorf. Values should be >= 0 and < max + 1.
- xmax += 0.99;
- ymax += 0.99;
+ // uses floorf.
}
else if ( strcmp( interps, "bicubic" ) == 0 || strcmp( interps, "hyper" ) == 0 || strcmp( interps, "sinc" ) == 0 || strcmp( interps, "lanczos" ) == 0 || strcmp( interps, "spline" ) == 0 )
{