Am 16.09.2022 um 16:51 schrieb Erik Dobberkau:
Apart from width, height, PAR, DAR and SAR, bit depth and subsampling
method, the color encoding parameters are responsible for the visual
representation of an image: color space, primaries, white point, transfer
function, color range, and color matrix (if something other than RGB
encoding is used).
Is colorspace and color matrix not the same? If not, how can color
matrix be specified in the command line?
How can white point be specified in the command line?
I did specify -pix_fmt, -colorspace, -color_trc, -color_primaries and
-color_range. But that seems to be not sufficient. The color in VLC
player is different for height=576 and height=720.
ffmpeg -f lavfi -i color=0x19be0f:s=400x576 -pix_fmt yuv420p -colorspace
rgb -color_trc bt709 -color_primaries bt709 -color_range pc -crf 0
-vcodec libx264 -t 5 -y out1.mp4
ffmpeg -f lavfi -i color=0x19be0f:s=400x720 -pix_fmt yuv420p -colorspace
rgb -color_trc bt709 -color_primaries bt709 -color_range pc -crf 0
-vcodec libx264 -t 5 -y out2.mp4
Michael
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