diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c index 0489ab49dd2b8863b70fe3372ac76546ddc8d729..82d567f4cfcf560403f6ff2d312888c448f32084 100644 --- a/libavcodec/apedec.c +++ b/libavcodec/apedec.c @@ -358,11 +358,10 @@ static inline int range_get_symbol(APEContext * ctx, static inline void update_rice(APERice *rice, int x) { + int lim = rice->k ? (1 << (rice->k + 4)) : 0; rice->ksum += ((x + 1) / 2) - ((rice->ksum + 16) >> 5); - if (rice->k == 0) - rice->k = 1; - else if (rice->ksum < (1 << (rice->k + 4))) + if (rice->ksum < lim) rice->k--; else if (rice->ksum >= (1 << (rice->k + 5))) rice->k++;