codec: videotoolbox: don't try to strip annexB on raw sps (fix #15416)
codec: videotoolbox: don't try to strip annexB on raw sps (fix #15416)

Happens on stream restart

xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc