Windows uses a smaller alignment than gstreamer for some formats, for example NV12. This means we cannot use MFCalculateImageSize() to get the output sample size. Commit 7b79e3a87b1e switched to calling it instead of GetOutputStreamInfo() to fix some game bugs.
-- v2: mfplat/tests: Add NV12 650 x 850 to image_size_tests. mf/tests: Add a video processor NV12 test with a width alignment of 2.