Am 15.09.2022 um 13:43 schrieb Dan:
On Thu, 15 Sep 2022 12:07:08 +0100, Michael Koch <astroelectro...@t-online.de> wrote:

Am 15.09.2022 um 11:53 schrieb Dan:
This seems to work with VLC player:

ffmpeg -f lavfi -i color=0x19be0f:s=400x576 -colorspace bt709 -crf 0
-vcodec libx264 -t 5 -y out1.mp4
ffmpeg -f lavfi -i color=0x19be0f:s=400x578 -colorspace bt709 -crf 0
-vcodec libx264 -t 5 -y out2.mp4

Unfortunately, doesn't work for me in MPC or Chrome. Can you try a
height of 720 instead of 578 to see if that fails for you?

Please try this, for me it works with VLC player, the color is exactly
the same:

ffmpeg -f lavfi -i color=0x19be0f:s=400x576 -colorspace bt709
-color_primaries bt709 -color_trc bt709 -crf 0 -vcodec libx264 -t 5 -y
out1.mp4
ffmpeg -f lavfi -i color=0x19be0f:s=400x720 -colorspace bt709
-color_primaries bt709 -color_trc bt709 -crf 0 -vcodec libx264 -t 5 -y
out2.mp4

Sure.

The colour is both the same now (for both Chrome and MPC), except it's
the darker, wrong colour (green=164 instead of 190).

Try some other values instead of "bt709".


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