Please provide us a MediaInfo report of your file. To do this please download (it's free) MediaInfo from here:
http://mediaarea.net/en/MediaInfo. Once you have installed MediaInfo please go to your file location and right-click on it. Select MediaInfo. A new Windows with basic information should pop-up. Below you can find more information. Click the button and select "Tree" option. Advanced information will be displayed. Please export the report or simply create a screenshot of your Tree view.