if (avctx->cutoff > 0)
cutoff_coeff = 2.0 * avctx->cutoff / avctx->sample_rate;
+ if (!cutoff_coeff && avctx->codec_id == CODEC_ID_AAC)
+ cutoff_coeff = 2.0 * AAC_CUTOFF(avctx) / avctx->sample_rate;
+
if (cutoff_coeff)
ctx->fcoeffs = ff_iir_filter_init_coeffs(avctx, FF_FILTER_TYPE_BUTTERWORTH,
FF_FILTER_MODE_LOWPASS, FILT_ORDER,