Samsung Galaxy S5 User Manual page 172

Change the Video Screen Size
You can change the size of the video during video playback.
1. From a Home screen, tap
2. Tap a video to view it.
3. Tap the screen ratio icon to cycle through the screen size options:
•
Fit to height: The video is enlarged as much as possible
without becoming distorted.
•
Overlook aspect ratio: The entire screen is used, which may
cause some minor distortion.
•
Original size: The video is played in its original size.
•
Keep aspect ratio: The video is enlarged to fit the screen
without becoming distorted.
Applications
Apps > Video.
160 Video Player