mfplat/buffer: Fix the image copy function for IMC2/IMC4 buffers with odd height.

dlls/mfplat/buffer.c

@@ -100,8 +100,7 @@ static void copy_image_imc1(BYTE *dest, LONG dest_stride, const BYTE *src, LONG
 
 static void copy_image_imc2(BYTE *dest, LONG dest_stride, const BYTE *src, LONG src_stride, DWORD width, DWORD lines)
 {
-    MFCopyImage(dest, dest_stride, src, src_stride, width / 2, lines / 2);
-    MFCopyImage(dest + dest_stride / 2, dest_stride, src + src_stride / 2, src_stride, width / 2, lines / 2);
+    MFCopyImage(dest, dest_stride / 2, src, src_stride / 2, width / 2, lines);
 }
 
 static inline struct buffer *impl_from_IMFMediaBuffer(IMFMediaBuffer *iface)

dlls/mfplat/tests/mfplat.c

@@ -6073,7 +6073,6 @@ static void test_MFCreate2DMediaBuffer(void)
             case MAKEFOURCC('I','M','C','4'):
                 for (j = 0; j < ptr->height; j++)
                     for (k = 0; k < stride / 2; k++)
-                        todo_wine_if(ptr->height % 2 == 1 && j >= 2)
                         ok(data[j * (pitch / 2) + k] == (((j + ptr->height) % 16) << 4) + (k % 16),
                                 "Unexpected byte %02x instead of %02x at test %d row %d column %d.\n",
                                 data[j * (pitch / 2) + k], (((j + ptr->height) % 16) << 4) + (k % 16), i, j + ptr->height, k);