Merge pull request #5661 from mbarann:fix_msmf_write_vertically_flipped_video

76f54b51 · Vadim Pisarevsky · c9cba643 · b48b2d43 · 76f54b51
Commit 76f54b51 authored Nov 23, 2015 by Vadim Pisarevsky
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cap_msmf.cpp modules/videoio/src/cap_msmf.cpp +2 -2

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--- a/modules/videoio/src/cap_msmf.cpp
+++ b/modules/videoio/src/cap_msmf.cpp
@@ -4372,8 +4372,8 @@ HRESULT CvVideoWriter_MSMF::WriteFrame(DWORD *videoFrameBuffer, const LONGLONG&
        hr = MFCopyImage(
            pData,                      // Destination buffer.
            cbWidth,                    // Destination stride.
-            (BYTE*)videoFrameBuffer,    // First row in source image.
-            cbWidth,                    // Source stride.
+            ((BYTE*)videoFrameBuffer) + (videoHeight-1)*cbWidth,    // First row in source image.
+            -cbWidth,                   // Source stride.
            cbWidth,                    // Image width in bytes.
            videoHeight                 // Image height in pixels.
            );