error: can't connect to X server! libva info: VA-API version 1.10.0 libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/r600_drv_video.so libva info: Found init function __vaDriverInit_1_10 libva info: va_openDriver() returns 0 vainfo: VA-API version: 1.10 (libva 2.10.0) vainfo: Driver version: Mesa Gallium driver 20.3.5 for AMD RV620 (DRM 2.50.0 / 5.10.0-17-amd64, LLVM 11.0.1) vainfo: Supported profile and entrypoints VAProfileMPEG2Simple : VAEntrypointVLD VAProfileMPEG2Main : VAEntrypointVLD VAProfileVC1Simple : VAEntrypointVLD VAProfileVC1Main : VAEntrypointVLD VAProfileVC1Advanced : VAEntrypointVLD VAProfileH264ConstrainedBaseline: VAEntrypointVLD VAProfileH264Main : VAEntrypointVLD VAProfileH264High : VAEntrypointVLD VAProfileNone : VAEntrypointVideoProc