Function make_eval_expr

libavutil/eval.c:551–565

}

static AVExpr *make_eval_expr(int type, int value, AVExpr *p0, AVExpr *p1)
{
    int depth = FFMAX(p0->depth, p1->depth) + 1;
    if (depth > MAX_DEPTH)
        return NULL;
    AVExpr *e = av_mallocz(sizeof(AVExpr));
    if (!e)
        return NULL;
    e->type     =type   ;
    e->value    =value  ;
    e->param[0] =p0     ;
    e->param[1] =p1     ;
    e->depth    = depth;
    return e;
}

static int parse_pow(AVExpr **e, Parser *p, int *sign)
{