The first frame is ignored and displayed black until pixels are updated as shown in the following image:

The next picture shows the expected frame that will appear after going forward and back in the video:

This happens with every h.264 video played within WMF instances (IE11, metro apps, WMP, etc.) with Windows 8.1 and some times (randomly) in Windows 8 no matter which profile, bitrate, bitstream type, etc. Other video codecs are not aff