TNS_GAIN_THRESHOLD_LOW   46 libavcodec/aacenc_tns.c #define TNS_GAIN_THRESHOLD_HIGH     1.16f*TNS_GAIN_THRESHOLD_LOW
TNS_GAIN_THRESHOLD_LOW  199 libavcodec/aacenc_tns.c         if (!order || !isfinite(gain) || gain < TNS_GAIN_THRESHOLD_LOW || gain > TNS_GAIN_THRESHOLD_HIGH)