Class: RSox

Inherits:
Object
  • Object
show all
Defined in:
ext/rsox.c

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Object

{{{



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# File 'ext/rsox.c', line 40

VALUE rsox_initialize(VALUE self) {/*{{{*/
  int *instance_count;

  Data_Get_Struct(self, int, instance_count);
  if (*instance_count == 1)
    sox_init();

  return self;
}/

Class Method Details

.count ⇒ Object

{{{



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# File 'ext/rsox.c', line 36

VALUE rsox_count(VALUE class) {/*{{{*/
  return rb_iv_get(class, "@count");
}/

.new ⇒ Object

{{{



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# File 'ext/rsox.c', line 23

VALUE rsox_new(VALUE class) {/*{{{*/
  static int rsox_instance_count = 0;
  VALUE instance_num;

  rsox_instance_count++;
  instance_num = Data_Wrap_Struct(RSox, 0, rsox_destroy, &rsox_instance_count);

  rb_iv_set(class, "@instance_count", INT2NUM(rsox_instance_count));
  rb_obj_call_init(instance_num, 0, 0);

  return instance_num;
}/

Instance Method Details

#buffer_size ⇒ Object

{{{



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# File 'ext/rsox.c', line 56

VALUE rsox_get_bufsize(VALUE self) {/*{{{*/
  return INT2FIX(sox_globals.bufsiz);
}/

#buffer_size=(bufsize) ⇒ Object

{{{



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# File 'ext/rsox.c', line 50

VALUE rsox_set_bufsize(VALUE self, VALUE bufsize) {/*{{{*/
  sox_globals.bufsiz = FIX2INT(bufsize);

  return Qtrue;
}/

#chain(input, output) ⇒ Object

{{{



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# File 'ext/rsox.c', line 386

VALUE rsox_effectschain(VALUE self, VALUE input, VALUE output) {/*{{{*/
  sox_format_t *c_input, *c_output;
  sox_effects_chain_t *c_chain;
  VALUE chain;

  Data_Get_Struct(input,  sox_format_t, c_input);
  Data_Get_Struct(output, sox_format_t, c_output);

  c_chain = sox_create_effects_chain(&c_input->encoding, &c_output->encoding);
  chain = Data_Wrap_Struct(RSoxEffectsChain, 0, rsoxeffectschain_free, c_chain);
  rb_iv_set(chain, "@input",  input);
  rb_iv_set(chain, "@output", output);

  rb_iv_set(self, "@chain", chain);

  return chain;
}/

#format_init ⇒ Object

{{{



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# File 'ext/rsox.c', line 60

VALUE rsox_format_init(VALUE self) {/*{{{*/
  int i = sox_format_init();
  return INT2NUM(i);
}/

#format_quit ⇒ Object

{{{



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# File 'ext/rsox.c', line 65

VALUE rsox_format_quit(VALUE self) {/*{{{*/
  sox_format_quit();
  return Qnil;
}/

#open_read(*args) ⇒ Object

{{{



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# File 'ext/rsox.c', line 74

VALUE rsox_open_read(int argc, VALUE *argv, VALUE self) {/*{{{*/
  VALUE path, signal, encoding, filetype;
  sox_signalinfo_t   *c_signal   = NULL;
  sox_encodinginfo_t *c_encoding = NULL;
  sox_format_t       *c_format;

  rb_scan_args(argc, argv, "13", &path, &signal, &encoding, &filetype);

  if (!NIL_P(signal))   Data_Get_Struct(signal,   sox_signalinfo_t,   c_signal);
  if (!NIL_P(encoding)) Data_Get_Struct(encoding, sox_encodinginfo_t, c_encoding);

  c_format = sox_open_read(StringValuePtr(path), c_signal, c_encoding, filetype == Qnil ? NULL : StringValuePtr(filetype));

  return Data_Wrap_Struct(RSoxFormat, 0, rsox_format_close, c_format);
}/

#open_write(*args) ⇒ Object

{{{



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# File 'ext/rsox.c', line 94

VALUE rsox_open_write(int argc, VALUE *argv, VALUE self) {/*{{{*/
  VALUE path, signal, encoding, filetype, oob;
  sox_signalinfo_t   *c_signal   = NULL;
  sox_encodinginfo_t *c_encoding = NULL;
  sox_oob_t          *c_oob      = NULL;
  sox_format_t       *c_format;

  rb_scan_args(argc, argv, "14", &path, &signal, &encoding, &filetype, &oob);

  if (signal   != Qnil) Data_Get_Struct(signal,   sox_signalinfo_t,   c_signal);
  if (encoding != Qnil) Data_Get_Struct(encoding, sox_encodinginfo_t, c_encoding);
  if (oob      != Qnil) Data_Get_Struct(oob,      sox_oob_t,          c_oob);

  c_format = sox_open_write(StringValuePtr(path),
    c_signal,
    c_encoding,
    filetype == Qnil ? NULL : StringValuePtr(filetype),
    c_oob,
    rb_block_given_p() ? rsox_overwrite_callback : NULL);

  return Data_Wrap_Struct(RSoxFormat, 0, 0, c_format);
}/