Lines Matching defs:chn
84 int chn;
97 for (chn=0; chn < priv->channels; chn++)
99 priv->x[chn][2] = priv->x[chn][1];
100 priv->x[chn][1] = priv->x[chn][0];
102 priv->y[chn][2] = priv->y[chn][1];
103 priv->y[chn][1] = priv->y[chn][0];
105 priv->x[chn][0] = samples[i*channels+chn];
106 priv->y[chn][0] = priv->a0*priv->x[0][chn]
107 + priv->a1*priv->x[1][chn] + priv->a2*x[2][chn]
108 - priv->b1*priv->y[1][chn] - priv->b2*y[2][chn];
109 samples[i*channels+chn] = priv->y[chn][0];