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/* BSE - Better Sound Engine -*-mode: c;-*-
* Copyright (C) 2002 Tim Janik
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* A copy of the GNU Lesser General Public License should ship along
* with this library; if not, see http://www.gnu.org/copyleft/.
*/
#include "bseplugin.h"
#include "bseprocedure.h"
#include "bsescripthelper.h"
#include "bseserver.h"
#include "bsemath.h" /* bse_temp_freq */
#include "bsemain.h"
#include <string.h> /* strchr */
#include <stdlib.h> /* strtol */
AUTHORS = "Tim Janik <timj@gtk.org>";
LICENSE = "GNU Lesser General Public License";
PROCEDURE (bse-note-to-freq, "Note to Freq") {
HELP = "Retrieve the frequency of a certain note.";
IN = bse_param_spec_enum ("musical_tuning", "Musical Tuning", NULL,
BSE_MUSICAL_TUNING_12_TET, BSE_TYPE_MUSICAL_TUNING_TYPE, SFI_PARAM_STANDARD);
IN = bse_pspec_note_simple ("note", "Note", NULL, SFI_PARAM_STANDARD);
IN = bse_param_spec_fine_tune ("fine_tune", "Fine Tune", NULL);
OUT = sfi_pspec_real ("frequency", "Frequency", NULL,
BSE_KAMMER_FREQUENCY, 0, BSE_MAX_FREQUENCY, 0.1,
SFI_PARAM_STANDARD);
} BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseMusicalTuningType musical_tuning = g_value_get_enum (in_values++);
int note = sfi_value_get_int (in_values++);
int fine_tune = sfi_value_get_int (in_values++);
BseNoteDescription *info;
gfloat freq;
/* action */
info = bse_note_description (musical_tuning, note, fine_tune);
if (!info->name)
freq = 0;
else
freq = info->freq;
bse_note_description_free (info);
/* set out params */
sfi_value_set_real (out_values++, freq);
return BSE_ERROR_NONE;
}
PROCEDURE (bse-note-from-freq, "Note from Freq") {
HELP = "Retrieve the note of a certain frequency.";
IN = bse_param_spec_enum ("musical_tuning", "Musical Tuning", NULL,
BSE_MUSICAL_TUNING_12_TET, BSE_TYPE_MUSICAL_TUNING_TYPE, SFI_PARAM_STANDARD);
IN = sfi_pspec_real ("frequency", "Frequency", NULL,
BSE_KAMMER_FREQUENCY, 0, BSE_MAX_FREQUENCY, 0.1,
SFI_PARAM_STANDARD);
OUT = sfi_pspec_note ("note", "Note", NULL, SFI_KAMMER_NOTE, SFI_MIN_NOTE, SFI_MAX_NOTE, TRUE, SFI_PARAM_STANDARD);
} BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseMusicalTuningType musical_tuning = g_value_get_enum (in_values++);
float frequency = sfi_value_get_real (in_values++);
/* set out params */
sfi_value_set_int (out_values++, bse_note_from_freq (musical_tuning, frequency));
return BSE_ERROR_NONE;
}
PROCEDURE (bse-note-describe, "Describe Note") {
HELP = "Describe a note, providing information about its octave, semitone, frequency, etc.";
IN = bse_param_spec_enum ("musical_tuning", "Musical Tuning", NULL,
BSE_MUSICAL_TUNING_12_TET, BSE_TYPE_MUSICAL_TUNING_TYPE, SFI_PARAM_STANDARD);
IN = bse_pspec_note_simple ("note", "Note", NULL, SFI_PARAM_STANDARD);
IN = bse_param_spec_fine_tune ("fine_tune", "Fine Tune", NULL);
OUT = bse_param_spec_boxed ("note-description", "Note Description", NULL,
BSE_TYPE_NOTE_DESCRIPTION, SFI_PARAM_STANDARD);
}
BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseMusicalTuningType musical_tuning = g_value_get_enum (in_values++);
int note = sfi_value_get_int (in_values++);
int fine_tune = sfi_value_get_int (in_values++);
/* describe note */
bse_value_take_boxed (out_values++, bse_note_description (musical_tuning, note, fine_tune));
return BSE_ERROR_NONE;
}
PROCEDURE (bse-note-describe-from-freq, "Describe Note From Freq") {
HELP = "Describe a note, given its frequency.";
IN = bse_param_spec_enum ("musical_tuning", "Musical Tuning", NULL,
BSE_MUSICAL_TUNING_12_TET, BSE_TYPE_MUSICAL_TUNING_TYPE, SFI_PARAM_STANDARD);
IN = sfi_pspec_real ("freq", "Frequency", NULL,
BSE_KAMMER_FREQUENCY,
0, BSE_MAX_FREQUENCY,
10.0, SFI_PARAM_STANDARD);
OUT = bse_param_spec_boxed ("note-description", "Note Description", NULL,
BSE_TYPE_NOTE_DESCRIPTION, SFI_PARAM_STANDARD);
}
BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseMusicalTuningType musical_tuning = g_value_get_enum (in_values++);
float freq = sfi_value_get_real (in_values++);
gint note;
/* describe note */
note = bse_note_from_freq (musical_tuning, freq);
bse_value_take_boxed (out_values++, bse_note_description (musical_tuning, note, 0));
return BSE_ERROR_NONE;
}
PROCEDURE (bse-note-from-string, "Note From String") {
HELP = "Describe a note, given its name and octave offset.";
IN = bse_param_spec_enum ("musical_tuning", "Musical Tuning", NULL,
BSE_MUSICAL_TUNING_12_TET, BSE_TYPE_MUSICAL_TUNING_TYPE, SFI_PARAM_STANDARD);
IN = sfi_pspec_string ("name", "Name", NULL,
"", SFI_PARAM_STANDARD);
OUT = bse_param_spec_boxed ("note-description", "Note Description", NULL,
BSE_TYPE_NOTE_DESCRIPTION, SFI_PARAM_STANDARD);
}
BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseMusicalTuningType musical_tuning = g_value_get_enum (in_values++);
char *name = sfi_value_get_string (in_values++);
gint note;
/* describe note */
note = bse_note_from_string (name);
bse_value_take_boxed (out_values++, bse_note_description (musical_tuning, note, 0));
return BSE_ERROR_NONE;
}
PROCEDURE (bse-note-construct, "Note Construction") {
HELP = "Describe a note, given its semitone, octave and fine tune.";
IN = bse_param_spec_enum ("musical_tuning", "Musical Tuning", NULL,
BSE_MUSICAL_TUNING_12_TET, BSE_TYPE_MUSICAL_TUNING_TYPE, SFI_PARAM_STANDARD);
IN = sfi_pspec_int ("semitone", NULL, NULL,
9, 0, 11, 1,
SFI_PARAM_STANDARD);
IN = bse_param_spec_octave ("octave", NULL, NULL);
IN = bse_param_spec_fine_tune ("fine_tune", "Fine Tune", NULL);
OUT = bse_param_spec_boxed ("note-description", "Note Description", NULL,
BSE_TYPE_NOTE_DESCRIPTION, SFI_PARAM_STANDARD);
}
BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
BseMusicalTuningType musical_tuning = g_value_get_enum (in_values++);
guint semitone = sfi_value_get_int (in_values++);
int octave = sfi_value_get_int (in_values++);
int fine_tune = sfi_value_get_int (in_values++);
int note;
/* describe note */
note = BSE_NOTE_GENERIC (octave, semitone);
bse_value_take_boxed (out_values++, bse_note_description (musical_tuning, note, fine_tune));
return BSE_ERROR_NONE;
}
PROCEDURE (bse-type-options, "Type Options") {
HELP = "Retrieve the options of a specific type.";
IN = sfi_pspec_string ("type", NULL, NULL, NULL, SFI_PARAM_STANDARD);
OUT = sfi_pspec_string ("string", NULL, NULL, NULL, SFI_PARAM_STANDARD);
} BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
gchar *stype = sfi_value_get_string (in_values++);
GType type;
/* check parameters */
if (!stype)
return BSE_ERROR_PROC_PARAM_INVAL;
type = g_type_from_name (stype);
/* set out params */
sfi_value_set_string (out_values++, type ? bse_type_get_options (type) : NULL);
return BSE_ERROR_NONE;
}
PROCEDURE (bse-type-blurb, "Type Blurb") {
HELP = "Retrieve the description of a specific type.";
IN = sfi_pspec_string ("type", NULL, NULL, NULL, SFI_PARAM_STANDARD);
OUT = sfi_pspec_string ("string", NULL, NULL, NULL, SFI_PARAM_STANDARD);
} BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
gchar *stype = sfi_value_get_string (in_values++);
GType type;
/* check parameters */
if (!stype)
return BSE_ERROR_PROC_PARAM_INVAL;
type = g_type_from_name (stype);
/* set out params */
sfi_value_set_string (out_values++, type ? bse_type_get_blurb (type) : NULL);
return BSE_ERROR_NONE;
}
PROCEDURE (bse-type-authors, "Type Authors") {
HELP = "Retrieve the authors who implemented a specific type.";
IN = sfi_pspec_string ("type", NULL, NULL, NULL, SFI_PARAM_STANDARD);
OUT = sfi_pspec_string ("string", NULL, NULL, NULL, SFI_PARAM_STANDARD);
} BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
gchar *stype = sfi_value_get_string (in_values++);
GType type;
/* check parameters */
if (!stype)
return BSE_ERROR_PROC_PARAM_INVAL;
type = g_type_from_name (stype);
/* set out params */
sfi_value_set_string (out_values++, type ? bse_type_get_authors (type) : NULL);
return BSE_ERROR_NONE;
}
PROCEDURE (bse-type-license, "Type License") {
HELP = "Retrieve the license of a type impementation.";
IN = sfi_pspec_string ("type", NULL, NULL, NULL, SFI_PARAM_STANDARD);
OUT = sfi_pspec_string ("string", NULL, NULL, NULL, SFI_PARAM_STANDARD);
} BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
gchar *stype = sfi_value_get_string (in_values++);
GType type;
/* check parameters */
if (!stype)
return BSE_ERROR_PROC_PARAM_INVAL;
type = g_type_from_name (stype);
/* set out params */
sfi_value_set_string (out_values++, type ? bse_type_get_license (type) : NULL);
return BSE_ERROR_NONE;
}
static gdouble
str2num (const gchar *str,
guint nth)
{
gchar *num_any = ".0123456789", *num_first = num_any + 1;
while (nth--)
{
/* skip number */
if (*str && strchr (num_first, *str))
do
str++;
while (*str && strchr (num_any, *str));
/* and trailing non-number stuff */
while (*str && !strchr (num_first, *str))
str++;
if (!*str)
return 0; /* no number */
}
if (strchr (num_first, *str))
return g_strtod (str, NULL);
return 0; /* no number */
}
PROCEDURE (bse-string-extract-number, "String Extract Number") {
HELP = "Retrieve numbers from a string.";
IN = sfi_pspec_string ("string", NULL, NULL, NULL, SFI_PARAM_STANDARD);
IN = sfi_pspec_string ("format", NULL, NULL, NULL, SFI_PARAM_STANDARD);
IN = sfi_pspec_real ("aux_base", NULL, NULL, 0, -SFI_MAXNUM, SFI_MAXNUM, 0, SFI_PARAM_STANDARD);
IN = sfi_pspec_real ("dflt", NULL, NULL, 0, -SFI_MAXNUM, SFI_MAXNUM, 0, SFI_PARAM_STANDARD);
OUT = sfi_pspec_real ("number", NULL, NULL, 0, -SFI_MAXNUM, SFI_MAXNUM, 0, SFI_PARAM_STANDARD);
} BODY (BseProcedureClass *proc,
const GValue *in_values,
GValue *out_values)
{
/* extract parameter values */
gchar *string = sfi_value_get_string (in_values++);
gchar *format = sfi_value_get_string (in_values++);
SfiReal aux_base = sfi_value_get_real (in_values++);
SfiReal dflt = sfi_value_get_real (in_values++);
SfiReal number = dflt;
if (string)
{
if (format)
{
gchar *base, *ep = NULL;
switch (*format)
{
glong l;
case '#':
number = str2num (++format, 0);
break;
case 'n':
l = strtol (++format, &ep, 10);
number = str2num (string, l);
break;
case 'b':
l = strtol (++format, &ep, 10);
base = g_path_get_basename (string);
number = str2num (base ? base : string, l);
g_free (base);
break;
case 'c':
format++;
number = aux_base;
if (*format == '*')
{
gdouble factor = g_strtod (++format, &ep);
number *= factor;
}
else
ep = (char*) format;
break;
default:
/* ("Invalid chunk format given: modifier `%c'", *format) */
number = 0;
break;
}
if (ep && *ep)
{
if (*ep == 'm') /* interpret d as midi note and return freq */
number = bse_temp_freq (BSE_CONFIG (kammer_freq),
number - BSE_CONFIG (midi_kammer_note));
else /* ("Invalid chunk format given: postmodifier `%c'", *ep) */
number = 0;
}
}
else
number = str2num (string, 0);
}
sfi_value_set_real (out_values++, number);
return BSE_ERROR_NONE;
}
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