28 /* Default effect handler functions for do-nothing situations: */
57 /* Partially initialise the effect structure; signal info will come later */
109 /* Effect can call in start() or flow() to set minimum input size to flow() */
124 /* Add an effect to the chain. *in is the input signal for this effect. *out is
126  * given options and *in, the effect can choose to do differently.  Whatever
127  * output rate and channels the effect does produce are written back to *in,
128  * ready for the next effect in the chain.
134   sox_effect_t eff0;  /* Copy of effect for flow 0 before calling start */  in sox_add_effect()
159     lsx_report("has no effect in this configuration");  in sox_add_effect()
213 /* An effect's output buffer (effp->obuf) generally has this layout:
219  * adapted to how the following effect expects its input, to avoid
220  * back-and-forth conversions.  If the following effect operates on
255   if (effp->flows == 1) {     /* Run effect on all channels at once */  in flow_effect()
261       lsx_fail("multi-channel effect flowed asymmetrically!");  in flow_effect()
267   } else {               /* Run effect on each channel individually */  in flow_effect()
351   if (effp->flows == 1) { /* Run effect on all channels at once */  in drain_effect()
356       lsx_fail("multi-channel effect drained asymmetrically!");  in drain_effect()
362   } else {                       /* Run effect on each channel individually */  in drain_effect()
402 /* Flow data through the effects chain until an effect or callback gives EOF */
406   size_t e, source_e = 0;               /* effect indices */  in sox_flow_effects()
415       /* Possibly there was already a buffer, if this is a used effect;  in sox_flow_effects()
471   /* If an effect's output buffer still has samples, and if it is  in sox_flow_effects()
473      be reused, and at that time possibly followed by an MCHAN effect. */  in sox_flow_effects()
535 /* Free resources related to effect.
536  * Note: This currently closes down the effect which might
551          processing, or if an effect like "trim" stopped early. */  in sox_delete_effect()
570  * Note: This currently closes down the effect which might
587 #define EFFECT(f) lsx_##f##_effect_fn,  macro
589 #undef EFFECT
599 /* Find a named effect in the effects library */