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If CDN is used, this parameter should be set on all CDN servers supposed to play RTMP stream from.

Mobile devices publishing issues

If mobile device screen rotation is enabled, a picture aspect ratio will change while device is turning from portrait to landscape and vice versa.

If mobile device screen rotation is disabled (for example, Lock Portait Orientation switch is set), a picture aspect ratio will remains the same as stream was published, but picture will turn according to device current orientation.

Known issues

1. iOS Safari does not send picture orientation info when device is rotated to 180 degrees (upside down)

2. iOS 12 Safari stops sending video packets when device is rotated to 90 degrees right (from portrait to landscape)

3. A picture aspect ratio will change while device is turning from portrait to landscape and vice versa while publishing from Android device regardless of cvoExtension value