ffmpeg | branch: master | Michael Niedermayer <michae...@gmx.at> | Tue Feb 24 00:35:11 2015 +0100| [fb8e5044b420d4f7409a3bf2cc5498e8302882be] | committer: Michael Niedermayer
swscale/utils: add asserts to check filterpos Signed-off-by: Michael Niedermayer <michae...@gmx.at> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=fb8e5044b420d4f7409a3bf2cc5498e8302882be --- libswscale/utils.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/libswscale/utils.c b/libswscale/utils.c index b63ab19..cfa6b21 100644 --- a/libswscale/utils.c +++ b/libswscale/utils.c @@ -631,6 +631,13 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos, (*filterPos)[i]-= shift; filter[i * filterSize + srcW - 1 - (*filterPos)[i]] += acc; } + av_assert0((*filterPos)[i] >= 0); + av_assert0((*filterPos)[i] < srcW); + if ((*filterPos)[i] + filterSize > srcW) { + for (j = 0; j < filterSize; j++) { + av_assert0((*filterPos)[i] + j < srcW || !filter[i * filterSize + j]); + } + } } // Note the +1 is for the MMX scaler which reads over the end _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
