VAAPI radeonsi: VBAQ broken with HEVC
Only happens with HEVC, H264 and AV1 is fine.
Reproduced on main and also stable 23.2 (haven't tried older versions yet).
RX 7900XTX, Linux 6.5.7-zen2-1-zen
ffmpeg -vaapi_device /dev/dri/renderD128 -f lavfi -i testsrc -vf format=nv12,hwupload -c:v hevc_vaapi -compression_level 16 -vframes 100 -y /tmp/out.mp4
Video looks like this:
Edited by David Rosca