jvc_gamma.py 文件源码

def get_effective_bsoftclip(self):
        """Return bsoftclip or compute it from paramters and effective bmax"""
        bsoftclip = self.bsoftclip
        if bsoftclip is None:
            return math.inf
        if isinstance(bsoftclip, dict):
            bmax = self.get_effective_bmax()
            bhardclip = self.get_effective_bhardclip()
            bmin = bsoftclip.get('bmin', 0)
            base = bsoftclip.get('bbase', 0)
            scale = bsoftclip.get('scale', 0)
            hcscale = bsoftclip.get('hcscale', math.inf)
            bsoftclip = max(bmin,
                            base + (bmax - base) * scale,
                            max(0, bmax - (bhardclip - bmax) * hcscale))
        return bsoftclip