Mirror image metadata bug

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Elliott Balsley
Posts: 22
Joined: Mon Jan 18, 2016 8:39 pm

When I enable Mirror Image H+V in the camera, then I play the recorded ProRes clips in QuickTime X, the image is flipped correctly. But when I play these clips in other apps, such as DaVinci Resolve or Silverstack, they are flipped horizontally only. So I have to apply a vertical flip in software to make them look right. I'm using version 4.1.7.
Oliver Temmler
Posts: 70
Joined: Wed Aug 13, 2014 3:16 pm
Location: Munich, Germany
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With H+V flip active, an ALEXA XT will only set metadata flags that tell the player to transform the image with H + V flip.
An Amira and ALEXA Mini actually record an H-flipped image, and only the V-flip is set as metadata flag.

Resolve and other post-production tools, except QuickTime X do not look at these Apple specific playback metadata.
That's why you see an image that is only H-flipped.
Oliver Temmler
Product Manager Storage Media
ARRI Munich
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