void open_soundspec(void)
{
int scr;
XGCValues gcv;
if(disp != NULL)
{
XMapWindow(disp, win);
XSync(disp, False);
view_soundspec_flag = 1;
return;
}
if((disp = XOpenDisplay(NULL)) == NULL)
{
ctl->cmsg(CMSG_FATAL, VERB_NORMAL, "Can't open display");
ctl->close();
exit(1);
}
set_color_ring();
scr = DefaultScreen(disp);
depth = DefaultDepth(disp, scr);
win = XCreateSimpleWindow(disp, DefaultRootWindow(disp),
0, 0, SCOPE_WIDTH, SCOPE_HEIGHT,
0, 0, BlackPixel(disp, scr));
wm_delete_window = XInternAtom(disp, "WM_DELETE_WINDOW", False);
XSetWMProtocols(disp, win, &wm_delete_window, 1);
XSelectInput(disp, win, ExposureMask | KeyPressMask);
XStoreName(disp, win, "Sound Spectrogram");
XSetIconName(disp, win, "Sound Spectrogram");
gcv.graphics_exposures = False;
gc = XCreateGC(disp, win, GCGraphicsExposures, &gcv);
offscr = XCreatePixmap(disp, win, SCOPE_WIDTH, SCOPE_HEIGHT, depth);
XSetForeground(disp, gc, BlackPixel(disp, scr));
XFillRectangle(disp, offscr, gc, 0, 0, SCOPE_WIDTH, SCOPE_HEIGHT);
img = XCreateImage(disp, DefaultVisual(disp, scr),
depth, ZPixmap, 0, 0,
1, SCOPE_HEIGHT, 8, 0);
XMapWindow(disp, win);
XSync(disp, False);
view_soundspec_flag = 1;
}
void open_soundspec(void)
{
static int initflag = 0;
if( win.show){
ShowWindow(win.ref);
}
if(disp != NULL)
{ //already opened
ring_index = 0;
next_wakeup_samples = outcnt;
memset(ring_buffer, 0, ring_buffer_len * sizeof(int32));
view_soundspec_flag = 1;
return;
}
if(soundspec_update_interval == 0)
soundspec_update_interval = (int32)(DEFAULT_UPDATE * play_mode->rate);
disp=true;
if(!initflag)
{
ring_buffer = (long*)safe_malloc(ring_buffer_len * sizeof(int32));
realfft(NULL, FFTSIZE);
initialize_exp_hz_table(DEFAULT_ZOOM);
initflag = 1;
}
set_color_ring();
ring_index = 0;
next_wakeup_samples = outcnt;
memset(ring_buffer, 0, sizeof(int32));
view_soundspec_flag = 1;
}