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I had to add "-vf colormatrix=bt601:bt709" to ffmpeg so the RGB -> YUV color conversion will be correct.
Now it looks and measures 1:1 to the RGB.
EDIT Important!
The "-vf colormatrix=bt601:bt709" should be changed to "-vf scale=out_color_matrix=bt709" because the colormatrix command is only 8bit and it dithers down to 8bit.
While the scale=out_color_matrix=bt709 command bypasses any conversion while retains correct chroma values between RGB to YUV conversion.
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System: i7 3770K, GTX660, Win7 64bit, Panasonic ST60, Dell U2410.
Last edited by James Freeman; 2nd May 2016 at 12:05.
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