log10f            143 libavcodec/acelp_pitch_delay.c     prediction_error[3] = 20.0 * log10f(fixed_gain_factor);
log10f            249 libavcodec/sipr16k.c         ctx->energy_history[0] = 20.0 * log10f(gain_corr_factor);
log10f            583 libavcodec/wmavoice.c         float tmp = log10f(assign);  var = tmp; \