How to rotate a video?

Vertical video is helpful on smartphones and vertical video platforms such as TikTok. It is encoded and transmitted for free with the datarhei Restreamer.

YouTube: Quickstart on Raspberry Pi 4 to produce vertical video with filter.

In this video, a 16:9 video is rotated 90Β° using the datarhei Restreamer streaming server. In the video settings of the active channel, the encoding is changed to 9:16. There are different rotation presets available. In the example, a Raspberry Pi 4 is used, which performs the encoding via the GPU OpenMax.

An encoding of the video is always necessary to get rotated video output.

Prerequisite

You have already started your Restreamer and added a video source.

Step 1

Edit the video source settings.

Step 2

Start encoding

Step 3

Various setting options are available besides rotation, also horizontal and vertical flipping.

Learn more

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