When recording video, how to set transformation (portrait, landscape, etc.) for video?

StackOverflow https://stackoverflow.com/questions/6026059

Question

Should I use AVCaptureConnection's videoOrientation property, or set the transform property of the videoWriterInput, or something else?

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Solution

Seems like AVCaptureConnection's videoOrientation property sets the orientation as it's recording, while the transform property of the videoWriterInput will set a flag for the playback transform.

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