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author | Michael Niedermayer <michaelni@gmx.at> | 2008-07-17 22:01:18 +0000 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2008-07-17 22:01:18 +0000 |
commit | 010c00bc81da252aaa16b50460da5c4a16d72068 (patch) | |
tree | 5b85e2d9d12e047e14755fbf0c21c318a7305285 /libswscale | |
parent | fbbea48eb35789b9fb571dea45401be8cc2a311a (diff) | |
download | ffmpeg-010c00bc81da252aaa16b50460da5c4a16d72068.tar.gz |
Ensure that exactly one scaler algo is used.
Originally committed as revision 27317 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
Diffstat (limited to 'libswscale')
-rw-r--r-- | libswscale/swscale.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c index 60f11d6eb6..fd6aeb2a71 100644 --- a/libswscale/swscale.c +++ b/libswscale/swscale.c @@ -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 { |