Fix for serialising multiple overlapping mixes

[melted] / src / modules / plus / transition_affine.c

diff --git a/src/modules/plus/transition_affine.c b/src/modules/plus/transition_affine.c
index f95b148..6154771 100644 (file)
--- a/src/modules/plus/transition_affine.c
+++ b/src/modules/plus/transition_affine.c
@@ -634,8 +634,10 @@ static int transition_get_image( mlt_frame a_frame, uint8_t **image, mlt_image_f
                                        {
                                                mix = ( float )*( alpha + dy * b_width + dx ) / 255.0;
                                                dx += dx & 1;
-                                               *p ++ = *p * ( 1 - mix ) + mix * *( b_image + dy * b_stride + ( dx << 1 ) );
-                                               *p ++ = *p * ( 1 - mix ) + mix * *( b_image + dy * b_stride + ( dx << 1 ) + ( ( x & 1 ) << 1 ) + 1 );
+                                               *p = *p * ( 1 - mix ) + mix * *( b_image + dy * b_stride + ( dx << 1 ) );
+                                               p ++;
+                                               *p = *p * ( 1 - mix ) + mix * *( b_image + dy * b_stride + ( dx << 1 ) + ( ( x & 1 ) << 1 ) + 1 );
+                                               p ++;
                                        }
                                }
                                else