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| author | Ronald S. Bultje <rsbultje@gmail.com> | 2015-09-04 17:01:53 -0400 |
|---|---|---|
| committer | Ronald S. Bultje <rsbultje@gmail.com> | 2015-09-05 15:50:01 -0400 |
| commit | ef8740d8e58dc45950887305307206d27ad413fb (patch) | |
| tree | bdbdda2140b2625058ddf8b9547ce55edbee7a52 | |
| parent | 342bca7f02fc7c0e9c4adf43d0ab1fab31aac85b (diff) | |
| download | ffmpeg-ef8740d8e58dc45950887305307206d27ad413fb.tar.gz | |
vp9: fix type of iadst4_1d intermediates.
Fixes integer overflows for extreme coefficient values in 10/12bpp content.
| -rw-r--r-- | libavcodec/vp9dsp_template.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/vp9dsp_template.c b/libavcodec/vp9dsp_template.c index 9395a0c202..4d810fec3a 100644 --- a/libavcodec/vp9dsp_template.c +++ b/libavcodec/vp9dsp_template.c @@ -1186,7 +1186,7 @@ static av_always_inline void idct4_1d(const dctcoef *in, ptrdiff_t stride, static av_always_inline void iadst4_1d(const dctcoef *in, ptrdiff_t stride, dctcoef *out, int pass) { - int t0, t1, t2, t3; + dctint t0, t1, t2, t3; t0 = 5283 * IN(0) + 15212 * IN(2) + 9929 * IN(3); t1 = 9929 * IN(0) - 5283 * IN(2) - 15212 * IN(3); |