Class: RSoxEffectsChain

Inherits:

Object

• Object
• RSoxEffectsChain

Defined in:

ext/rsox.c

Instance Method Summary

• #add(*args) ⇒ Object

  {{{.

• #flow(*args) ⇒ Object

  {{{.

Instance Method Details

#add(*args) ⇒ Object

{{{

# File 'ext/rsox.c', line 276

VALUE rsoxeffectschain_add(int argc, VALUE *argv, VALUE self) {/*{{{*/
  sox_effects_chain_t *c_chain;
  sox_effect_t *c_effect;
  sox_format_t *c_input, *c_output, *c_tmp_format;
  VALUE name, options, tmp, input, output;
  sox_effect_handler_t const *c_handler;
  char *c_options[10], *c_name;
  int i, j, t;
  rsox_block_with_id_t *block_param;

  rb_scan_args(argc, argv, "1*", &name, &options);

  c_name = StringValuePtr(name);

  if (strncmp(c_name, "block", 5) == 0) {
    if (!rb_block_given_p())
      rb_raise(rb_eArgError, "no block given");

    c_handler = rsox_rubyblock_handler();
    c_effect = sox_create_effect(c_handler);

    block_param  = (rsox_block_with_id_t *)c_effect->priv;
    block_param->block = rb_block_proc();
    block_param->func  = rb_intern("call");
  } else {
    c_handler = sox_find_effect(StringValuePtr(name));
    if (c_handler == NULL)
      rb_raise(rb_eArgError, "no such effect: %s", StringValuePtr(name));
    c_effect = sox_create_effect(c_handler);

    for (i = j = 0; i < RARRAY_LEN(options); i++) {
      if (TYPE(RARRAY_PTR(options)[i]) == T_DATA) {
        Data_Get_Struct(RARRAY_PTR(options)[i], sox_format_t, c_tmp_format);
        c_options[j++] = (char *)c_tmp_format;
      } else {
        tmp = rb_check_string_type(RARRAY_PTR(options)[i]);
        c_options[j++] = NIL_P(tmp) ? NULL : RSTRING_PTR(tmp);
      }
    }

    i = sox_effect_options(c_effect, j, j > 0 ? c_options : NULL);
    if (i != SOX_SUCCESS)
      rb_raise(rb_eArgError, "wrong arguments (%d)", j);
  }

  Data_Get_Struct(self, sox_effects_chain_t, c_chain);
  Data_Get_Struct(rb_iv_get(self, "@input"),  sox_format_t, c_input);
  Data_Get_Struct(rb_iv_get(self, "@output"), sox_format_t, c_output);

  i = sox_add_effect(c_chain, c_effect, &c_input->signal, &c_output->signal);

  return INT2NUM(i);
}/

#flow(*args) ⇒ Object

{{{

# File 'ext/rsox.c', line 408

VALUE rsoxeffectschain_flow(int argc, VALUE *argv, VALUE self) {/*{{{*/
  sox_effects_chain_t *c_chain;

  Data_Get_Struct(self, sox_effects_chain_t, c_chain);

  return INT2NUM(sox_flow_effects(c_chain, NULL, NULL));
}/