Le 05/04/2013 02:06, Kieran Kunhya a écrit :
+ AV_PIX_FMT_XYZ12LE, ///< packed XYZ 4:4:4, 36 bpp, (msb) 12X, 12Y,
12Z (lsb), the 2-bytes value for each X/Y/Z is stored as little endian, 4 lower
bits set to 0
+ AV_PIX_FMT_XYZ12BE, ///< packed XYZ 4:4:4, 36 bpp, (msb) 12X, 12Y,
12Z (lsb), the 2-bytes value for each X/Y/Z is stored as big endian, 4 lower bits
set to 0
Why do you set the lower bits to zero? The rest of libav has the upper
bits set to zero for high bit depth formats.
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Well because its specified like that in section3.2.2.2 of DCI spec.
http://dcimovies.com/specification/DCI_DCSS_v12_with_errata_2012-1010.pdf
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