Filter overlay_rkrga doesn't output background. #154

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opened 2025-12-23 10:34:43 +01:00 by backuprepo · 2 comments

backuprepo commented

2025-12-23 10:34:43 +01:00

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Originally created by @liangtaikonaut on GitHub (Mar 13, 2025).

Use the demo command:

./ffmpeg -init_hw_device rkmpp=hw -filter_hw_device hw -f lavfi -i color=c=cyan:s=1920x1080,format=nv12 -f lavfi -i testsrc2=s=960x540,format=bgra
-filter_complex "[0:v]hwupload[main];[1:v]hwupload[overlay];[main][overlay]overlay_rkrga=eof_action=pass:repeatlast=0:format=nv12:x=(W-w)/2:y=(H-h)/2"
-c:v h264_rkmpp -b:v 4M -maxrate 4M -vframes 1000 -y /tmp/tmp.mp4

then the output is:

Originally created by @liangtaikonaut on GitHub (Mar 13, 2025). Use the demo command: ./ffmpeg -init_hw_device rkmpp=hw -filter_hw_device hw -f lavfi -i color=c=cyan:s=1920x1080,format=nv12 -f lavfi -i testsrc2=s=960x540,format=bgra \ -filter_complex "[0:v]hwupload[main];[1:v]hwupload[overlay];[main][overlay]overlay_rkrga=eof_action=pass:repeatlast=0:format=nv12:x=(W-w)/2:y=(H-h)/2" \ -c:v h264_rkmpp -b:v 4M -maxrate 4M -vframes 1000 -y /tmp/tmp.mp4 then the output is: ![Image](https://github.com/user-attachments/assets/28802687-1313-4d8b-8ad6-4306a709208b)

backuprepo

2025-12-23 10:34:43 +01:00

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backuprepo commented

2025-12-23 10:34:44 +01:00

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@nyanmisaka commented on GitHub (Mar 13, 2025):

It works fine on my end on rk3588 and rk3576.

Tell rockchip to fix their kernel driver or patch it youself: 7c3229404a

@nyanmisaka commented on GitHub (Mar 13, 2025): It works fine on my end on rk3588 and rk3576. ![Image](https://github.com/user-attachments/assets/af359339-5c86-454b-9187-753fe1420a4a) Tell rockchip to fix their kernel driver or patch it youself: https://github.com/armbian/linux-rockchip/commit/7c3229404ab2d650254af187f0070985871faff8

backuprepo commented

2025-12-23 10:34:45 +01:00

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@liangtaikonaut commented on GitHub (Mar 13, 2025):

Got it, thanks.

@liangtaikonaut commented on GitHub (Mar 13, 2025): Got it, thanks.