previewTimeCodeSuffix top-level constant

String const previewTimeCodeSuffix

What a preview's poster-frame sidecar file is called, appended to the video's own name — 01-ride.mp4 is posed by 01-ride.mp4.timecode.

A sidecar rather than a flag, because the poster frame is per video. A set holds up to three previews and there is no reason they share a frame, so a single --preview-frame would be wrong for two of them. Appended rather than replacing the extension so that it sorts against its own video and cannot collide with a second preview of the same name in another container.

Implementation

const previewTimeCodeSuffix = '.timecode';