Commit c94326c1 authored by Michael Niedermayer's avatar Michael Niedermayer

avcodec/hevcpred_template: Fix left shift of negative value

Fixes: runtime error: left shift of negative value -1
Fixes: 2250/clusterfuzz-testcase-minimized-5693382112313344

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpegSigned-off-by: 's avatarMichael Niedermayer <michael@niedermayer.cc>
parent 8ddb6820
...@@ -35,7 +35,7 @@ static av_always_inline void FUNC(intra_pred)(HEVCContext *s, int x0, int y0, ...@@ -35,7 +35,7 @@ static av_always_inline void FUNC(intra_pred)(HEVCContext *s, int x0, int y0,
#define MVF(x, y) \ #define MVF(x, y) \
(s->ref->tab_mvf[(x) + (y) * min_pu_width]) (s->ref->tab_mvf[(x) + (y) * min_pu_width])
#define MVF_PU(x, y) \ #define MVF_PU(x, y) \
MVF(PU(x0 + ((x) << hshift)), PU(y0 + ((y) << vshift))) MVF(PU(x0 + ((x) * (1 << hshift))), PU(y0 + ((y) * (1 << vshift))))
#define IS_INTRA(x, y) \ #define IS_INTRA(x, y) \
(MVF_PU(x, y).pred_flag == PF_INTRA) (MVF_PU(x, y).pred_flag == PF_INTRA)
#define MIN_TB_ADDR_ZS(x, y) \ #define MIN_TB_ADDR_ZS(x, y) \
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment