The present disclosure relates to methods, apparatus or systems for formatting of backward compatible immersive video streams. At least one legacy rectangular video is captured from an immersive video obtained from a source. A set of camera control data are used to determine which parts of the immersive video will constitute legacy videos (83). These part are removed from the immersive video (83) and every prepared videos are packaged in a stream. The structure from the stream is a container. Information data about the location and size of removed parts may be added in the stream (84).
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