112   if (imin > sox_globals.bufsiz / effp->flows) {  in lsx_effect_set_imin()
151   effp->flows =  in sox_add_effect()
195     lsx_calloc(effp->flows, sizeof(chain->effects[chain->length][0]));  in sox_add_effect()
198   for (f = 1; f < effp->flows; ++f) {  in sox_add_effect()
221  * each of several channels separately (flows > 1), the layout is
227  * bufsiz/flows each, starting at offsets 0, bufsiz/flows,
228  * 2*(bufsiz/flows) etc.  Within the channel buffers, the data starts
229  * at position obeg/flows and ends before oend/flows.  In case bufsiz
230  * is not evenly divisible by flows, there will be an unused area at
235 static void interleave(size_t flows, size_t length, sox_sample_t *from,
237 static void deinterleave(size_t flows, size_t length, sox_sample_t *from,
248   sox_bool il_change = (effp->flows == 1) !=  in flow_effect()
249       (chain->length == n + 1 || chain->effects[n+1]->flows == 1);  in flow_effect()
255   if (effp->flows == 1) {     /* Run effect on all channels at once */  in flow_effect()
265       deinterleave(chain->effects[n+1]->flows, obeg, chain->il_buf,  in flow_effect()
269     size_t flow_offs = sox_globals.bufsiz/effp->flows;  in flow_effect()
287     for (f = 0; f < effp->flows; ++f) {  in flow_effect()
288       size_t idonec = idone / effp->flows;  in flow_effect()
289       size_t odonec = obeg / effp->flows;  in flow_effect()
291           effp1->obuf + f*flow_offs + effp1->obeg/effp->flows,  in flow_effect()
292           obuf + f*flow_offs + effp->oend/effp->flows,  in flow_effect()
305     idone = effp->flows * idone_max;  in flow_effect()
306     obeg = effp->flows * odone_max;  in flow_effect()
309       interleave(effp->flows, obeg, chain->il_buf, sox_globals.bufsiz,  in flow_effect()
316     size_t flow_offs = sox_globals.bufsiz/effp->flows;  in flow_effect()
317     for (f = 0; f < effp->flows; ++f)  in flow_effect()
319           effp1->obuf + f * flow_offs + effp1->obeg/effp->flows,  in flow_effect()
320           (effp1->oend - effp1->obeg)/effp->flows * sizeof(*effp1->obuf));  in flow_effect()
331       n, effp->flows, pre_idone, pre_odone, idone, obeg,  in flow_effect()
345   sox_bool il_change = (effp->flows == 1) !=  in drain_effect()
346       (chain->length == n + 1 || chain->effects[n+1]->flows == 1);  in drain_effect()
351   if (effp->flows == 1) { /* Run effect on all channels at once */  in drain_effect()
360       deinterleave(chain->effects[n+1]->flows, obeg, chain->il_buf,  in drain_effect()
364     size_t flow_offs = sox_globals.bufsiz/effp->flows;  in drain_effect()
367     for (f = 0; f < effp->flows; ++f) {  in drain_effect()
368       size_t odonec = obeg / effp->flows;  in drain_effect()
370           obuf + f*flow_offs + effp->oend/effp->flows,  in drain_effect()
382     obeg = effp->flows * odone_last;  in drain_effect()
385       interleave(effp->flows, obeg, chain->il_buf, sox_globals.bufsiz,  in drain_effect()
396       n, effp->flows, (size_t)0, pre_odone, (size_t)0, obeg);  in drain_effect()
422     max_flows = max(max_flows, effp->flows);  in sox_flow_effects()
433     if (effp->oend > effp->obeg && chain->effects[e+1]->flows > 1) {  in sox_flow_effects()
435       deinterleave(chain->effects[e+1]->flows, effp->oend - effp->obeg,  in sox_flow_effects()
476     if (effp->oend > effp->obeg && chain->effects[e+1]->flows > 1) {  in sox_flow_effects()
478       interleave(chain->effects[e+1]->flows, effp->oend - effp->obeg,  in sox_flow_effects()
492     for (f = 0; f < chain->effects[i][0].flows; ++f)  in sox_effects_clips()
502   for (f = 0; f < effp->flows; ++f) {  in sox_stop_effect()
553   for (f = 0; f < effp->flows; ++f)  in sox_delete_effect()
616  *   flows: number of samples per wide sample
625 static void interleave(size_t flows, size_t length, sox_sample_t *from,  in interleave()  argument
629   const size_t wide_samples = length/flows;  in interleave()
630   const size_t flow_offs = bufsiz/flows;  in interleave()
631   from += offset/flows;  in interleave()
634     sox_sample_t *inner_to = to + i * flows;  in interleave()
636     for (f = 0; f < flows; f++) {  in interleave()
644  *   flows: number of samples per wide sample
653 static void deinterleave(size_t flows, size_t length, sox_sample_t *from,  in deinterleave()  argument
656   const size_t wide_samples = length/flows;  in deinterleave()
657   const size_t flow_offs = bufsiz/flows;  in deinterleave()
659   to += offset/flows;  in deinterleave()
660   for (f = 0; f < flows; f++) {  in deinterleave()
666       inner_from += flows;  in deinterleave()