Commit 010c00bc authored by Michael Niedermayer's avatar Michael Niedermayer
Browse files

Ensure that exactly one scaler algo is used.

Originally committed as revision 27317 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
parent fbbea48e
......@@ -2014,6 +2014,23 @@ SwsContext *sws_getContext(int srcW, int srcH, int srcFormat, int dstW, int dstH
return NULL;
}
i= flags & ( SWS_POINT
|SWS_AREA
|SWS_FAST_BILINEAR
|SWS_BICUBIC
|SWS_X
|SWS_GAUSS
|SWS_LANCZOS
|SWS_SINC
|SWS_SPLINE
|SWS_BICUBLIN);
if(!i || (i & (i-1)))
{
av_log(NULL, AV_LOG_ERROR, "swScaler: Exactly one scaler algorithm must be choosen\n");
return NULL;
}
/* sanity check */
if (srcW<4 || srcH<1 || dstW<8 || dstH<1) //FIXME check if these are enough and try to lowwer them after fixing the relevant parts of the code
{
......
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