– Brkfst utilizes video encoding information to determine aspect ratio compatibility
– A common video codec HEVC (H.265) is not widely supported by browsers
– Using the same MP4 container, re-encoding the video to an AVC (H.264) will allow Brkfst and most browsers to play and validate your video
– If you are on a PC: Download VLC for free. Here is a video showing the steps to update the code
– If you are on a Mac these instructions