31 /* The function that will be called to input samples into the effects chain.
55 /* The function that will be called to output samples from the effects chain.
73   /* Outputting is the last `effect' in the effect chain so always passes  in output_flow()
83  * chain; the only function needed for this example is `drain' */
93  * chain; the only function needed for this example is `flow' */
108   sox_effects_chain_t * chain;  in main()  local
125   /* Create an effects chain; some effects need to know about the input  in main()
127   chain = sox_create_effects_chain(&in->encoding, &out->encoding);  in main()
129   /* The first effect in the effect chain must be something that can source  in main()
133   /* This becomes the first `effect' in the chain */  in main()
134   assert(sox_add_effect(chain, e, &in->signal, &in->signal) == SOX_SUCCESS);  in main()
140   /* Add the effect to the end of the effects processing chain: */  in main()
141   assert(sox_add_effect(chain, e, &in->signal, &in->signal) == SOX_SUCCESS);  in main()
147   /* Add the effect to the end of the effects processing chain: */  in main()
148   assert(sox_add_effect(chain, e, &in->signal, &in->signal) == SOX_SUCCESS);  in main()
151   /* The last effect in the effect chain must be something that only consumes  in main()
155   assert(sox_add_effect(chain, e, &in->signal, &in->signal) == SOX_SUCCESS);  in main()
158   /* Flow samples through the effects processing chain until EOF is reached */  in main()
159   sox_flow_effects(chain, NULL, NULL);  in main()
162   sox_delete_effects_chain(chain);  in main()