[ffmpeg/f34] (3 commits) ...Merge branch 'master' into f34
Summary of changes:
b31c290... Switch to clang instead of nvcc (*)
02ac0d8... Update to 4.4-0.6.20210323git0be265e (*)
fb4a456... Merge branch 'master' into f34
(*) This commit already existed in another branch; no separate mail sent