43       return lsx_usage(effp); \
48 static int parse(sox_effect_t * effp, char * * argv, unsigned channels)  in parse()  argument
50   priv_t * p = (priv_t *)effp->priv;  in parse()
69          return lsx_usage(effp);  in parse()
97   effp->out_signal.channels = p->num_out_channels;  in parse()
113 static int create(sox_effect_t * effp, int argc, char * * argv)  in create()  argument
115   priv_t * p = (priv_t *)effp->priv;  in create()
126   return parse(effp, argv, 1); /* No channels yet; parse with dummy */  in create()
129 static int start(sox_effect_t * effp)  in start()  argument
131   priv_t * p = (priv_t *)effp->priv;  in start()
136   parse(effp, NULL, effp->in_signal.channels);  in start()
137   if (effp->in_signal.channels < p->min_in_channels) {  in start()
142   for (j = 0; j < effp->out_signal.channels; j++) {  in start()
151   if (effp->in_signal.mult && max_sum > 1)  in start()
152     *effp->in_signal.mult /= max_sum;  in start()
154     effp->out_signal.precision = effp->in_signal.precision;  in start()
156     effp->out_signal.precision = SOX_SAMPLE_PRECISION;  in start()
161 static int flow(sox_effect_t * effp, const sox_sample_t * ibuf,  in flow()  argument
164   priv_t * p = (priv_t *)effp->priv;  in flow()
166   len =  min(*isamp / effp->in_signal.channels, *osamp / effp->out_signal.channels);  in flow()
167   *isamp = len * effp->in_signal.channels;  in flow()
168   *osamp = len * effp->out_signal.channels;  in flow()
170   for (; len--; ibuf += effp->in_signal.channels) for (j = 0; j < effp->out_signal.channels; j++) {  in flow()
174     *obuf++ = SOX_ROUND_CLIP_COUNT(out, effp->clips);  in flow()
179 static int closedown(sox_effect_t * effp)  in closedown()  argument
181   priv_t * p = (priv_t *)effp->priv;  in closedown()
203 static int channels_create(sox_effect_t * effp, int argc, char * * argv)  in channels_create()  argument
205   priv_t * p = (priv_t *)effp->priv;  in channels_create()
211       return lsx_usage(effp);  in channels_create()
212     effp->out_signal.channels = p->num_out_channels;  in channels_create()
215     return lsx_usage(effp);  in channels_create()
219 static int channels_start(sox_effect_t * effp)  in channels_start()  argument
221   priv_t * p = (priv_t *)effp->priv;  in channels_start()
223       p->num_out_channels : effp->out_signal.channels;  in channels_start()
227   if (effp->in_signal.channels == num_out_channels)  in channels_start()
230   if (effp->in_signal.channels > num_out_channels) {  in channels_start()
232       unsigned in_per_out = (effp->in_signal.channels +  in channels_start()
245     p->out_specs[j].in_specs[0].channel_num = j % effp->in_signal.channels;  in channels_start()
248   effp->out_signal.channels = p->num_out_channels = num_out_channels;  in channels_start()
249   effp->out_signal.precision = (effp->in_signal.channels > num_out_channels) ?  in channels_start()
250     SOX_SAMPLE_PRECISION : effp->in_signal.precision;  in channels_start()
269 static int oops_getopts(sox_effect_t *effp, int argc, char **argv)  in oops_getopts()  argument
273   return --argc? lsx_usage(effp) : create(effp, 3, args);  in oops_getopts()