Authorised media authoring
A phone video becomes sideways after export: check rotation handling
Separate display-rotation metadata from physically rotated pixels and avoid applying the same correction twice.
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Useful explanations for choosing a plan, setting up a player and understanding the viewing experience.

Authorised media authoring
Separate display-rotation metadata from physically rotated pixels and avoid applying the same correction twice.
Read the guide →Authorised media authoring
Examine moving edges and source information before choosing a deinterlacing export for an authorised archive recording.
Read the guide →Authorised media authoring
Separate playback volume, peak level and programme loudness when preparing a consistent sequence of videos you are authorised to edit.
Read the guide →Authorised media authoring
Understand the placement of MP4 indexing metadata and distinguish fast-start preparation from adaptive streaming or codec conversion.
Read the guide →Authorised media authoring
Understand seek points and stream-copy boundaries before assuming an editor ignored the requested start time.
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Separate an on-page control from system media-key routing and identify the media session that receives the command.
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