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;
}
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();
}
}
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;
}
