I view my mp4 files using Windows Media Center on a Dell T3400 running Windows 7 pro. They used to play in full screen mode. Now, all of a sudden, they play in letterbox mode. I have not changed anything.
So, I copied one of the mp4 files to a different Windows 7 pc and played the file using a program called VLC. Same problem. So, I guess the aspect ratio of the mp4 file changed???
How can I calculate the aspect ratio?
How does knowing the frame width and frame height help with this calculation?
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TheVoiceIsAnotherPerson ~ BeyonWiz DP-P1 PVR + LiDiC ~ Popcorn C200 ~ Samsung ES8000 65" LED TV ~ Windows 7 ~ Yamaha RX-A1030
Thank you for link to the useful program. I will investigate more.