mfplat: Fix scanline for bottom-up case.

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

mfplat: Fix scanline for bottom-up case.
5adb32f8 · Nikolay Sivov · Alexandre Julliard · 1d7c5308 · 5adb32f8
Commit 5adb32f8 authored Mar 19, 2020 by Nikolay Sivov Committed by Alexandre Julliard Mar 19, 2020
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buffer.c dlls/mfplat/buffer.c +1 -1

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--- a/dlls/mfplat/buffer.c
+++ b/dlls/mfplat/buffer.c
@@ -613,7 +613,7 @@ static HRESULT create_2d_buffer(DWORD width, DWORD height, DWORD fourcc, BOOL bo
    object->_2d.width = width * bpp;
    object->_2d.height = height;
    object->_2d.pitch = bottom_up ? -pitch : pitch;
-    object->_2d.scanline0 = bottom_up ? object->data + object->_2d.width * (object->_2d.height - 1) : object->data;
+    object->_2d.scanline0 = bottom_up ? object->data + pitch * (object->_2d.height - 1) : object->data;

    *buffer = &object->IMFMediaBuffer_iface;