IMDCT_SCALAR 53 libavcodec/mpegaudio_tablegen.h f = value / IMDCT_SCALAR * pow(value, 1.0 / 3.0) * pow(2, (i & 3) * 0.25); IMDCT_SCALAR 65 libavcodec/mpegaudio_tablegen.h double f = (double)value * pow(value, 1.0 / 3.0) * pow(2, (exponent - 400) * 0.25 + FRAC_BITS + 5) / IMDCT_SCALAR; IMDCT_SCALAR 246 libavcodec/mpegaudiodsp_template.c d *= 0.5 * IMDCT_SCALAR / cos(M_PI * (2 * i + 19) / 72);