bool ProcessingChainBase::wait_rt_finished() {
if (stopped) {
return true;
}
timespec ts;
clock_gettime(CLOCK_REALTIME, &ts);
const long ns_in_sec = 1000000000;
ts.tv_nsec += ns_in_sec / 10;
if (ts.tv_nsec >= ns_in_sec) {
ts.tv_nsec -= ns_in_sec;
ts.tv_sec += 1;
}
while (sem_timedwait(&sync_sem, &ts) == -1) {
if (errno == EINTR) {
continue;
}
if (errno == ETIMEDOUT) {
gx_print_warning("sem_timedwait", "timeout");
return false;
}
gx_print_error("sem_timedwait", "unknown error");
break;
}
return true;
}
// ---- OS signal handler -----
void gx_signal_handler(int sig)
{
// print out a warning
string msg = string("signal ") + gx_i2a(sig) + " received, exiting ...";
gx_print_warning("signal_handler", msg);
gx_clean_exit(NULL, NULL);
}
void PosixSignals::gx_ladi_handler() {
gx_print_warning(
_("signal_handler"), _("signal USR1 received, save settings"));
if (gx_preset::GxSettings::instance) {
bool cur_state = gx_preset::GxSettings::instance->get_auto_save_state();
gx_preset::GxSettings::instance->disable_autosave(false);
gx_preset::GxSettings::instance->auto_save_state();
gx_preset::GxSettings::instance->disable_autosave(cur_state);
}
}
// ---- popup warning
int gx_message_popup(const char* msg) {
// check msg validity
if (!msg) {
gx_print_warning("Message Popup",
string(_("warning message does not exist")));
return -1;
}
// build popup window
GtkWidget *about;
GtkWidget *label;
GtkWidget *ok_button;
about = gtk_dialog_new();
ok_button = gtk_button_new_from_stock(GTK_STOCK_OK);
label = gtk_label_new(msg);
GtkStyle *style = gtk_widget_get_style(label);
pango_font_description_set_size(style->font_desc, 10*PANGO_SCALE);
pango_font_description_set_weight(style->font_desc, PANGO_WEIGHT_BOLD);
gtk_widget_modify_font(label, style->font_desc);
gtk_label_set_selectable(GTK_LABEL(label), TRUE);
gtk_container_add(GTK_CONTAINER(GTK_DIALOG(about)->vbox), label);
GTK_BOX(GTK_DIALOG(about)->action_area)->spacing = 3;
gtk_container_add(GTK_CONTAINER(GTK_DIALOG(about)->action_area), ok_button);
g_signal_connect_swapped(ok_button, "clicked",
G_CALLBACK(gtk_widget_destroy), about);
g_signal_connect(GTK_DIALOG(about)->vbox, "expose-event", G_CALLBACK(gx_cairo::start_box_expose), NULL);
gtk_widget_set_redraw_on_allocate(GTK_WIDGET(GTK_DIALOG(about)->vbox),true);
gtk_widget_show(ok_button);
gtk_widget_show(label);
return gtk_dialog_run (GTK_DIALOG(about));
}
// ---- command line options
void gx_process_cmdline_options(int& argc, char**& argv, string* optvar)
{
// store shell variable content
for (int i = 0; i < NUM_SHELL_VAR; i++)
gx_assign_shell_var(shell_var_name[i], optvar[i]);
// ---- parse command line arguments
try
{
gboolean version = FALSE;
GOptionEntry opt_entries[] =
{
{ "version", 'v', 0, G_OPTION_ARG_NONE, &version, "Print version string and exit", NULL },
{ NULL }
};
GError* error = NULL;
GOptionContext* opt_context = NULL;
opt_context = g_option_context_new(NULL);
g_option_context_set_summary(opt_context,
"All parameters are optional. Examples:\n"
"\tjc_gui\n"
"\tjc_gui -i system:capture_3 -i system:capture_2\n"
"\tjc_gui -o system:playback_1 -o system:playback_2");
g_option_context_add_main_entries(opt_context, opt_entries, NULL);
// JACK options: input and output ports
gchar** jack_input = NULL;
gchar** jack_outputs = NULL;
GOptionGroup* optgroup_jack = g_option_group_new("jack",
"\033[1;32mJACK configuration options\033[0m",
"\033[1;32mJACK configuration options\033[0m",
NULL, NULL);
GOptionEntry opt_entries_jack[] =
{
{ "jack-input", 'i', 0, G_OPTION_ARG_STRING_ARRAY, &jack_input, "Jc_Gui JACK input", "PORT" },
{"jack-output", 'o', 0, G_OPTION_ARG_STRING_ARRAY, &jack_outputs, "Jc_Gui JACK outputs", "PORT" },
{ NULL }
};
g_option_group_add_entries(optgroup_jack, opt_entries_jack);
// collecting all option groups
g_option_context_add_group(opt_context, optgroup_jack);
// parsing command options
if (!g_option_context_parse(opt_context, &argc, &argv, &error))
{
throw string(error->message);
}
g_option_context_free(opt_context);
// ----------- processing user options -----------
// *** display version if requested
if (version)
{
cout << "Jc_Gui version \033[1;32m"
<< GX_VERSION << endl
<< "\033[0m Copyright " << (char)0x40 << " 2009 "
<< "Hermman Meyer - James Warden"
<< endl;
exit(0);
}
// *** process jack outputs
if (jack_input != NULL)
{
int idx = JACK_INP1;
unsigned int i = 0;
while (jack_input[i] != NULL)
{
if (i >= 2)
{
gx_print_warning("main",
"Warning --> provided more than 2 input ports, ignoring extra ports");
break;
}
optvar[idx] = string(jack_input[i]);
i++;
idx++;
}
g_strfreev(jack_input);
}
else
{
if (!gx_shellvar_exists(optvar[JACK_INP1])) optvar[JACK_INP1] = "";
if (!gx_shellvar_exists(optvar[JACK_INP2])) optvar[JACK_INP2] = "";
}
// *** process jack outputs
if (jack_outputs != NULL)
{
int idx = JACK_OUT1;
unsigned int i = 0;
while (jack_outputs[i] != NULL)
{
if (i >= 2)
{
gx_print_warning("main",
"Warning --> provided more than 2 output ports, ignoring extra ports");
break;
}
optvar[idx] = string(jack_outputs[i]);
i++;
idx++;
}
g_strfreev(jack_outputs);
}
else
{
if (!gx_shellvar_exists(optvar[JACK_OUT1])) optvar[JACK_OUT1] = "";
if (!gx_shellvar_exists(optvar[JACK_OUT2])) optvar[JACK_OUT2] = "";
}
}
// ---- catch exceptions that occured during user option parsing
catch (string& e)
{
string msg = string("Error in user options! try -? ") + e;
gx_print_error("main", msg);
exit(1);
}
}
//----abort Jc_Gui
void gx_abort(void* arg)
{
gx_print_warning("gx_abort", "Aborting Jc_Gui, ciao!");
exit(1);
}
