diff options
| -rw-r--r-- | src/qmmp/equ/iir_fpu.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/qmmp/equ/iir_fpu.c b/src/qmmp/equ/iir_fpu.c index 9b19be241..b6cf2dd8c 100644 --- a/src/qmmp/equ/iir_fpu.c +++ b/src/qmmp/equ/iir_fpu.c @@ -278,6 +278,10 @@ __inline__ int iir32(void * d, int length, int nch) /* For each band */ for (band = 0; band < band_count; band++) { + /* Optimization */ + if(gain[band][channel] > -1.0e-10 && gain[band][channel] < 1.0e-10) + continue; + /* Store Xi(n) */ data_history[band][channel].x[i] = pcm[channel]; /* Calculate and store Yi(n) */ @@ -300,6 +304,10 @@ __inline__ int iir32(void * d, int length, int nch) //if (eqcfg.extra_filtering) { + /* Optimization */ + if(gain[band][channel] > -1.0e-10 && gain[band][channel] < 1.0e-10) + continue; + /* Filter the sample again */ for (band = 0; band < band_count; band++) { |