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| author | Michael Niedermayer <michaelni@gmx.at> | 2015-02-24 00:35:11 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-02-24 01:00:24 +0100 |
| commit | fb8e5044b420d4f7409a3bf2cc5498e8302882be (patch) | |
| tree | d77944814f7241eae2c467f113d483614be93084 /libswscale | |
| parent | 1895d414aaacece3b57d7bf19502305e9a064fae (diff) | |
| download | ffmpeg-streaming-fb8e5044b420d4f7409a3bf2cc5498e8302882be.zip ffmpeg-streaming-fb8e5044b420d4f7409a3bf2cc5498e8302882be.tar.gz | |
swscale/utils: add asserts to check filterpos
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libswscale')
| -rw-r--r-- | libswscale/utils.c | 7 |
1 files changed, 7 insertions, 0 deletions
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 |
