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Old 12-26-2018, 12:27 AM   #1
dolby
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Default Impossible to generete proxy files from Prores 4444

Please could you add the possibility for generating proxy files also from Apple Prores 4444? I was very surprised that the Edius does not support generating proxy files from this film industry recording format.
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Old 12-26-2018, 03:25 AM   #2
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Proxy generation seems to fail due to the the alpha channel in the 4444. (the fourth 4 designates alpha)

GV support have already been notified of the issue if I am not mistaken.
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Last edited by BernH; 12-26-2018 at 05:21 PM.
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Old 12-26-2018, 02:40 PM   #3
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I'm sure the fourth 4 is the Alpha channel - too much single malt!

Paul :-)
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Old 12-26-2018, 04:03 PM   #4
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ProRes 4444 scans color 4:4:4 with a color depth of 12 bits and an alpha channel that can store up to 16 bits per pixel.
//Translated from german Wikipedia
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Old 12-26-2018, 05:20 PM   #5
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Quote:
Originally Posted by PaulTV View Post
I'm sure the fourth 4 is the Alpha channel - too much single malt!

Paul :-)
Correct. typo on my part. I was typing that after a few too many glasses of wine ;)

(Fixed it above)
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Old 12-26-2018, 05:36 PM   #6
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Merry Xmas!

Paul :-)
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