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July 7th, 2007, 06:59 AM
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#1 |
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Major Player
Join Date: Oct 2005
Posts: 376
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2:2 pulldown for 720p25
How i can change metadata (flag) w/o recompession stream with existing 720p25 avi encoded by Cineform to add 2:2 pulldown to every frame display twice (fake 720p50)? Thanks.
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July 7th, 2007, 09:26 AM
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#2 |
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CTO, CineForm Inc.
Join Date: Jul 2003
Location: Cardiff-by-the-Sea, California
Posts: 8,095
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Why do you need to do this, as 25p in 50p project automatically add 2:2 pulldown when you turn frame blending off.
__________________
David Newman -- web: www.gopro.com blog: cineform.blogspot.com -- twitter: twitter.com/David_Newman |
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July 7th, 2007, 10:25 AM
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#3 |
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Major Player
Join Date: Oct 2005
Posts: 376
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CineVision encoder accept as 1280x720 input only 50p.
I can change metadata in hex editor for mpeg2 but need solution for CF avi. It is possible, David, manipulate with avi metadata header? |
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July 7th, 2007, 10:32 AM
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#4 |
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CTO, CineForm Inc.
Join Date: Jul 2003
Location: Cardiff-by-the-Sea, California
Posts: 8,095
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Unfortunately via the codec interface they are likely using, we can't lie about the number of frame and the frame rate. You will need to export to a new clip form Premiere as 50p,
1) open a 1280x720 p 50 project. 2) place your 25p clip on it. 3) Turn frame blend off for that clip. 4) Export to a new CineForm AVI.
__________________
David Newman -- web: www.gopro.com blog: cineform.blogspot.com -- twitter: twitter.com/David_Newman |
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July 7th, 2007, 10:35 AM
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#5 |
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Major Player
Join Date: Oct 2005
Posts: 376
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Thank you, David! I'll try your recomendation.
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