Clipbucket Website Configuration settings
These settings should be same as it is shown in snap
Some time path could be changed example FFMEG path /usr/local/bin/ffmpeg or /usr/bin/ffmpeg
same for MP4BOX and for others.
some time libfaac instead of libfdk_aac in admin section for video codec.
Server video conversation Modules &Tools all should be green.
PHP Server Configuration Info.