I am sending camera video from android to a janus server, but when I check from website, the video is rotated, Do you know why and How should I fix this?

I am sending camera video from android to a janus server, but when I check from website, the video is rotated, Do you know why and How should I fix this?

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I had to change something in the room config https://github.com/meetecho/janus-gateway/issues/1021#issuecomment-335792000