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ffmpeg.wasm-core
Commit bd358e12 authored by Michael Niedermayer's avatar Michael Niedermayer
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jpeglsdec: fix infinite loop 

Fixes Ticket331
Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 42d4df06
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libavcodec/jpegls.h
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...@@ -86,6 +86,8 @@ static inline void ff_jpegls_downscale_state(JLSState *state, int Q){ ...@@ -86,6 +86,8 @@ static inline void ff_jpegls_downscale_state(JLSState *state, int Q){
} }
static inline int ff_jpegls_update_state_regular(JLSState *state, int Q, int err){ static inline int ff_jpegls_update_state_regular(JLSState *state, int Q, int err){
if(FFABS(err) > 0xFFFF)
return -0x10000;
state->A[Q] += FFABS(err); state->A[Q] += FFABS(err);
err *= state->twonear; err *= state->twonear;
state->B[Q] += err; state->B[Q] += err;
......
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