From: Anton Mitrofanov <[email protected]>

ptrdiff_t can be 4 bytes, which leads to the next element being 4-byte
aligned and thus at a different offset than intended. Using a fixed 8-byte
element for uv_off_px/byte fixes that.

Signed-off-by: Ronald S. Bultje <[email protected]>
---
 libswscale/swscale_internal.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index b602541..7166667 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -345,8 +345,8 @@ typedef struct SwsContext {
     DECLARE_ALIGNED(8, uint64_t, v_temp);
     DECLARE_ALIGNED(8, uint64_t, y_temp);
     int32_t  alpMmxFilter[4*MAX_FILTER_SIZE];
-    DECLARE_ALIGNED(8, ptrdiff_t, uv_off_px);   ///< offset (in pixels) 
between u and v planes
-    DECLARE_ALIGNED(8, ptrdiff_t, uv_off_byte); ///< offset (in bytes) between 
u and v planes
+    DECLARE_ALIGNED(8, int64_t, uv_off_px);   ///< offset (in pixels) between 
u and v planes
+    DECLARE_ALIGNED(8, int64_t, uv_off_byte); ///< offset (in bytes) between u 
and v planes
     uint16_t dither16[8];
     uint32_t dither32[8];
 
-- 
1.7.2.1

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