Consult your eldest brother, Opencv to open the video, some sent 90 degrees, is some sideways video, broadcast is vertical, I know how to spin, but don't know how to judge whether the video need to rotate, and the rotation Angle, whether you need advice on how to obtain video rotation and Angle?

CodePudding user response:

Format length-width ratios to determine whether the picture can be identified by rotating it

CodePudding user response:

The

oh roar reference 1 floor? Response:

format length-width ratios to determine whether the picture can be identified by rotating it

I later is to increase functionality, allows users to choose their own rotated

CodePudding user response:

refer to the second floor qq_1251942602 response:

Quote: oh roar reference 1 floor? Response:

Format length-width ratios to determine whether the picture can be identified by rotating it

I later is to increase functionality, allows users to choose their own rotated

Emmmm is also a method is too simple and crude ha ha ha ha ha ha