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 2.9.0) vainfo: Driver version: Mesa Gallium driver 20.2.6 for AMD TAHITI (DRM 2.50.0, 5.9.0-5-amd64, LLVM 11.0.0) vainfo: Supported profile and entrypoints VAProfileMPEG2Simple : VAEntrypointVLD VAProfileMPEG2Main : VAEntrypointVLD VAProfileVC1Simple : VAEntrypointVLD VAProfileVC1Main : VAEntrypointVLD VAProfileVC1Advanced : VAEntrypointVLD VAProfileH264ConstrainedBaseline: VAEntrypointVLD VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice VAProfileH264Main : VAEntrypointVLD VAProfileH264Main : VAEntrypointEncSlice VAProfileH264High : VAEntrypointVLD VAProfileH264High : VAEntrypointEncSlice VAProfileNone : VAEntrypointVideoProc