gdgsdg123
Posts: 11
Joined: Thu Mar 28, 2019 4:16 am

Bandicam 4.4.2.1550, "Prefer RGB colorspace", greenish color shift in output

Mon Jul 15, 2019 7:13 pm

"External Codec", "x264vfw", "Settings", "Prefer RGB colorspace", unset, greenish color shift in output:
0.png
0.png (824.25 KiB) Viewed 7464 times

Notice the background (mainly the floor) and the body of the car (Porsche 918).





x264vfw configuration:
x264vfw.png
x264vfw.png (74.96 KiB) Viewed 7464 times

gdgsdg123
Posts: 11
Joined: Thu Mar 28, 2019 4:16 am

Extra info

Mon Jul 15, 2019 7:19 pm

Compare group

With "Prefer RGB colorspace" set and "Convert to YUV 4:2:0" in x264vfw configuration:
1.png
1.png (808.87 KiB) Viewed 7462 times


The input source (rgb24):
!input.png
!input.png (783.24 KiB) Viewed 7462 times


Reference output using FFmpeg:

Code: Select all

ffmpeg -i "!input.png" -c:v libx264 -preset ultrafast -qp 0 -pix_fmt yuv420p -sws_flags spline+accurate_rnd+full_chroma_int -color_range 1 -colorspace 5 -color_primaries 5 -color_trc 6 "ffmpeg_yuv420p.avi"
ffmpeg -i "ffmpeg_yuv420p.avi" -compression_level 10 -pred mixed -pix_fmt rgb24 -sws_flags +accurate_rnd+full_chroma_int "ffmpeg_yuv420p.png"
ffmpeg_yuv420p.png
ffmpeg_yuv420p.png (812.97 KiB) Viewed 7462 times






Note

All previews of the Bandicam output are generated under a similar process:

Code: Select all

ffmpeg -i "BDCAM_RECORD.avi" -frames 1 -an -c:v libx264 -preset ultrafast -qp 0 -color_range 1 -colorspace 5 -color_primaries 5 -color_trc 6 "BDCAM_RECORD_FIXED.avi"
ffmpeg -i "BDCAM_RECORD_FIXED.avi" -compression_level 10 -pred mixed -pix_fmt rgb24 -sws_flags +accurate_rnd+full_chroma_int "PREVIEW.png"
Last edited by gdgsdg123 on Sat Jul 20, 2019 1:29 am, edited 1 time in total.

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Re: Bandicam 4.4.2.1550, "Prefer RGB colorspace", greenish color shift in output

Mon Jul 15, 2019 9:34 pm

Hello,

Thank you for the screenshots.

We will forward your post to the development team.

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