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/*
* Copyright (C) 2002,2003 Pascal Haakmat.
*/
#include <math.h>
#include <gtk/gtk.h>
#include <glade/glade.h>
#include "../modutils.h"
module modinfo;
typedef struct {
module_id id;
shell *shl;
GtkRange *treshold_control;
GtkSpinButton *duration_control;
GtkToggleButton *invert_control;
GtkToggleButton *ganging_control;
GtkWidget *dialog;
AFframecount duration;
float treshold;
int invert;
int ganging;
} extractor_params;
#define EXAMPLE_GLADE_FILE "example.glade"
module *
module_new() {
MODULE_INIT(&modinfo,
"Noise/silence extractor",
"Pascal Haakmat",
"Copyright (C) 2002,2003");
return &modinfo;
}
void
on_apply_clicked(GtkWidget *w,
gpointer user_data) {
struct _module_state *module_state =
gtk_object_get_user_data(GTK_OBJECT(gtk_widget_get_toplevel(w)));
extractor_params *p = (extractor_params *)module_state->data;
p->duration = gtk_spin_button_get_value_as_float(p->duration_control) *
p->shl->grid.gap;
p->treshold = gtk_range_get_adjustment(p->treshold_control)->value;
p->ganging = gtk_toggle_button_get_active(p->ganging_control) ? 0 : 1;
p->invert = gtk_toggle_button_get_active(p->invert_control) ? 0 : 1;
action_do(ACTION_MODULE_EXECUTE_NEW(WITH_UNDO,
p->shl,
p->id));
}
void
on_ok_clicked(GtkWidget *w,
gpointer user_data) {
struct _module_state *module_state =
gtk_object_get_user_data(GTK_OBJECT(gtk_widget_get_toplevel(w)));
extractor_params *p = (extractor_params *)module_state->data;
on_apply_clicked(w, NULL);
gtk_object_destroy(GTK_OBJECT(p->dialog));
}
void
on_close_clicked(GtkWidget *w,
gpointer user_data) {
struct _module_state *module_state =
gtk_object_get_user_data(GTK_OBJECT(gtk_widget_get_toplevel(w)));
extractor_params *p = (extractor_params *)module_state->data;
gtk_object_destroy(GTK_OBJECT(p->dialog));
}
void
on_dialog_destroy(GtkWidget *w,
gpointer user_data) {
struct _module_state *module_state =
gtk_object_get_user_data(GTK_OBJECT(gtk_widget_get_toplevel(w)));
module_state->is_open = 0;
free(module_state->data);
}
void
module_open(module_id id,
shell *shl,
int undo) {
GladeXML *xml;
GtkWidget *w;
char path[4096];
extractor_params *p = mem_calloc(1, sizeof(extractor_params));
if(!p) {
gui_alert("Not enough memory.");
return;
}
snprintf(path, 4096, "%s/%s", dirname(modules[id].fname), EXTRACTOR_GLADE_FILE);
DEBUG("loading interface %s\n", path);
xml = glade_xml_new(path, "dialog");
if(!xml) {
gui_alert("Extractor: could not load interface %s.", path);
free(p);
return;
}
shl->module_state[id].is_open = 1;
shl->module_state[id].data = p;
p->id = id;
p->shl = shl;
p->treshold_control = GTK_RANGE(glade_xml_get_widget(xml, "treshold"));
p->duration_control = GTK_SPIN_BUTTON(glade_xml_get_widget(xml, "duration"));
p->invert_control = GTK_TOGGLE_BUTTON(glade_xml_get_widget(xml, "invert"));
p->ganging_control = GTK_TOGGLE_BUTTON(glade_xml_get_widget(xml, "ganging"));
p->dialog = GTK_WIDGET(glade_xml_get_widget(xml, "dialog"));
g_signal_connect(GTK_OBJECT(p->dialog), "destroy",
on_dialog_destroy, shl);
w = GTK_WIDGET(glade_xml_get_widget(xml, "ok"));
g_signal_connect(GTK_OBJECT(w), "clicked", on_ok_clicked, shl);
w = GTK_WIDGET(glade_xml_get_widget(xml, "close"));
g_signal_connect(GTK_OBJECT(w), "clicked", on_close_clicked, shl);
w = GTK_WIDGET(glade_xml_get_widget(xml, "apply"));
g_signal_connect(GTK_OBJECT(w), "clicked", on_apply_clicked, shl);
gtk_object_set_user_data(GTK_OBJECT(p->dialog),
GINT_TO_POINTER(&shl->module_state[id]));
gtk_object_unref(GTK_OBJECT(xml));
}
void
module_close(mod_state *module_state) {
gtk_object_destroy(GTK_OBJECT(((extractor_params *)module_state->data)->dialog));
}
action_group *
module_execute(shell *shl,
int undo) {
AFframecount start = shl->select_start,
end = shl->select_end;
int map = shl->select_channel_map;
int t, id = shl->active_module_id;
extractor_params *p;
action_group *undo_ag = NULL;
if(!shl->module_state[id].is_open) {
gui_alert("Extractor does not have defaults.");
return NULL;
}
DEBUG("treshold: %f, duration: %ld, ganging: %d, invert: %d\n",
p->treshold, p->duration, p->ganging, p->invert);
rwlock_rlock(&shl->sr->rwl);
/* This returns an action group that simply restores a
block of samples. If your do_stuff function can change the
length of the tracks that it is operating on, or worse,
change each tracks length differently, then you need more
complicated undo handling. */
if(undo)
undo_ag = action_group_undo_create(shl,
map,
start,
end - start,
start,
end - start);
for(t = 0; t < snd_track_count(shl->sr); t++)
if((1 << t) & map && t < shl->sr->channels)
do_stuff(shl,
t,
start,
end,
duration,
times,
decay);
rwlock_runlock(&shl->sr->rwl);
return undo_ag;
}
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