ffmpeg用到的滤镜：垂直旋转transpose，白色底板pad，角度旋转rotate，曝光contrast，遮挡边缘实心框drawbox
ffplay -i IMG_0001.jpg -vf transpose=1,crop=1750:1900:510:550,rotate=-PI/580,pad=1810:1960:30:30:color=#FFFFFF,eq=contrast=3,drawbox=1770:5:50:1900:#FFFFFF:50,drawbox=1:1:1500:50:#FFFFFF:50,drawbox=1100:1900:1780:200:#FFFFFF:50,drawbox=1:1100:40:1000:#FFFFFF:50
ffmpeg -i IMG_0001.jpg -vf transpose=1,crop=1750:1900:510:550,rotate=-PI/580,pad=1810:1960:30:30:color=#FFFFFF,eq=contrast=3,drawbox=1770:5:50:1900:#FFFFFF:50,drawbox=1:1:1500:50:#FFFFFF:50,drawbox=1100:1900:1780:200:#FFFFFF:50,drawbox=1:1100:40:1000:#FFFFFF:50 -strftime 1 -f image2 IMG_%Y-%m-%d_%H.%M.%S.jpg