Exemple #1
0
gint set_data_source(GtkWidget *widget, gpointer data)
{

    if (GTK_TOGGLE_BUTTON(widget)->active) { /* its pressed */
        draw_stop();
        input_thread_stopper(data_handle);
        close_datasource(data_handle);

        data_source = (DataSource) GPOINTER_TO_INT(data);
        /* start even if none previously opened
           (in case previous sound source was bad) */
        if ((data_handle=open_datasource(data_source)) >= 0)
        {
#ifdef USING_FFTW2
            plan = fftw_create_plan(nsamp, FFTW_FORWARD, FFTW_ESTIMATE);
#elif USING_FFTW3
            plan = fftw_plan_r2r_1d(nsamp, raw_fft_in, raw_fft_out, FFTW_R2HC, FFTW_ESTIMATE);
#endif
            ring_rate_changed(); /* Fix all gui controls that depend on
				    * ring_rate (adjustments and such
				    */
            input_thread_starter(data_handle);
            draw_start();
        }

    }
    return TRUE;
}
Exemple #2
0
void leave(GtkWidget *widget, gpointer *data)
{
    draw_stop();
    save_config(widget);
    input_thread_stopper(data_handle);
    close_datasource(data_handle);
    /* Free all buffers */
    mem_dealloc();
    gtk_main_quit();
}
Exemple #3
0
void reinit_extace(int new_nsamp)
{

  /* Stop drawing the display */
    draw_stop();
    if(data_handle != -1) /* stop if previously opened */
      { 
	input_thread_stopper(data_handle);
	close_datasource(data_handle);
      }	

  /* Free all buffers */
        mem_dealloc();
	scope_begin_l = 0;
	scope_begin_l = 0;
	/* auto shift lag slightly to maintain good sync 
	 * The idea is the shift the lag slighly so that the "on-time" data
	 * is in the MIDDLE of the window function for better eye/ear matchup
	 */
	nsamp = new_nsamp;

	convolve_factor = floor(nsamp/width) < 3 ? floor(nsamp/width) : 3 ;
	if (convolve_factor == 0)
		convolve_factor = 1;
	recalc_markers = TRUE;
	recalc_scale = TRUE;	

	mem_alloc();
	setup_datawindow(NULL,(WindowFunction)window_func);
	ring_rate_changed();
	ring_pos=0;
	
	/* only start if it has been stopped above */
	if(data_handle != -1 && (data_handle=open_datasource(data_source)) >= 0)
	  {
#ifdef USING_FFTW2
		  fftw_destroy_plan(plan);
		  plan = fftw_create_plan(nsamp, FFTW_FORWARD, FFTW_ESTIMATE);
#elif USING_FFTW3
		  fftw_cleanup();
		  plan = fftw_plan_r2r_1d(nsamp, raw_fft_in, raw_fft_out,FFTW_R2HC, FFTW_ESTIMATE);
#endif
		  input_thread_starter(data_handle);
		  ring_rate_changed(); /* Fix all gui controls that depend on
					* ring_rate (adjustments and such
					*/
		  draw_start();
	  }
}
Exemple #4
0
gint set_data_source()
{

	draw_stop();
	input_thread_stopper(data_handle);
	close_datasource(data_handle);

	if ((data_handle=open_datasource(data_source)) >= 0)
	{
#ifdef USING_FFTW2
		plan = fftw_create_plan(nsamp, FFTW_FORWARD, FFTW_ESTIMATE);
#elif USING_FFTW3
		plan = fftw_plan_r2r_1d(nsamp, raw_fft_in, raw_fft_out, FFTW_R2HC, FFTW_ESTIMATE);
#endif
		ring_rate_changed(); /* Fix all gui controls that depend on
							  * ring_rate (adjustments and such
							  */
		input_thread_starter(data_handle);
		draw_start();
	}

	return TRUE;
}