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Published byHerbert Parsons Modified over 9 years ago
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1 Harry Potter in 4K Pure Cinema Dedicated to Dick Stumpf
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2 Motion Picture Imaging Global Digital Media Xchange D-Cinema Processing at WB Mastering Distribution
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3 Motion Picture Imaging Global Digital Media Xchange D-Cinema Processing at WB XYZ Color Conversion J2K Compression Content Encryption XML Wrapping Distribution of Key and Content
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4 Three Titles n Corpse Bride – Oct release –4K Still camera stop-motion animation –2K Digital Intermediate –Uprez to 4K n Batman Begins – TIFF –35mm film scanned at 4K n Harry Potter 4 – Day/date Nov release –2K Digital Intermediate –Uprez to 4K
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5 Motion Picture Imaging Scan 35mm Film D-Cinema Processing at WB XYZ Color Conversion J2K Compression HD Timing External DI Batman Begins Corpse Bride Digital Intermediate External HD Timing Harry Potter 4
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6 Color – The Men of Black Magic n Color space P7v2 ≠ P3 ≠ P3 n Corpse Bride –US release P7v2 –Realized color didn’t match exactly, but not obvious due to stylized movie n Harry Potter 4 –US release P3 –Projector/Master white points not a match –LUTher box used on external DI
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7 LUTher in HD Timing Digital Intermediate D5 Tape TI Display LUTher Output files Output tape
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8 Motion Picture Imaging Scan 35mm Film D-Cinema Processing at WB XYZ Color Conversion J2K Compression HD Timing External DI Digital Intermediate External HD Timing Add LUT
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9 Compression – easier, but…. n Kakadu software encoder on 100CPUs –A few glitches on write-out to SAN n Batman Begins –“black frames” –24-bit quantization of 4K layer –Chip firmware change coming
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10 Tools – Need to be as easy as video n VDC/Pogle render out on HP4 –DCI Spec 4096 x 1714 = 2.39AR Rendered out 2048 x 857 Garbage in last line Solve by doubling and trimming to 1712 –Rendered out fix frames 2048 x 856 Slightly zoomed-out (shrunk) image n (PS – BB scan = 4096 x 1712) Don’t Presume AR !!!
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11 Tools – Need to be as easy as video n Test playout –Tools to check amidst color/compress/encrypt/wrap/project –Pause, step forward/back DCI spec requires restart on reel boundaries Created 2000 frame reels
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12 Human errors too n Render out color timing –6 frames off n Conflict on equipment –Accessible by both US/Japan –Insufficient space But fun with a great team
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13 Wendy Aylsworth 4K Pure Cinema Coming soon to a theater near you
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