swscale: Do not shift negative values directly
authorLuca Barbato <lu_zero@gentoo.org>
Sat, 15 Apr 2017 12:39:45 +0000 (14:39 +0200)
committerLuca Barbato <lu_zero@gentoo.org>
Sat, 15 Apr 2017 13:37:18 +0000 (15:37 +0200)
commitf56fa95cd13f627891a1bfb66bf61b971b9e0238
tree516bfe60fe5550b75119e8b0d67bef73d4677125
parent378460fef1e563704bc5a307ba748a2b819cc09d
swscale: Do not shift negative values directly

It is undefined in C as reported:
    warning: shifting a negative signed value is undefined
libswscale/output.c