+int
+IO::load_automation (string path)
+{
+ string fullpath;
+ ifstream in;
+ char line[128];
+ uint32_t linecnt = 0;
+ float version;
+ LocaleGuard lg (X_("POSIX"));
+
+ fullpath = _session.automation_dir();
+ fullpath += path;
+
+ in.open (fullpath.c_str());
+
+ if (!in) {
+ fullpath = _session.automation_dir();
+ fullpath += _session.snap_name();
+ fullpath += '-';
+ fullpath += path;
+
+ in.open (fullpath.c_str());
+
+ if (!in) {
+ error << string_compose(_("%1: cannot open automation event file \"%2\""), _name, fullpath) << endmsg;
+ return -1;
+ }
+ }
+
+ clear_automation ();
+
+ while (in.getline (line, sizeof(line), '\n')) {
+ char type;
+ jack_nframes_t when;
+ double value;
+
+ if (++linecnt == 1) {
+ if (memcmp (line, "version", 7) == 0) {
+ if (sscanf (line, "version %f", &version) != 1) {
+ error << string_compose(_("badly formed version number in automation event file \"%1\""), path) << endmsg;
+ return -1;
+ }
+ } else {
+ error << string_compose(_("no version information in automation event file \"%1\""), path) << endmsg;
+ return -1;
+ }
+
+ continue;
+ }
+
+ if (sscanf (line, "%c %" PRIu32 " %lf", &type, &when, &value) != 3) {
+ warning << string_compose(_("badly formatted automation event record at line %1 of %2 (ignored)"), linecnt, path) << endmsg;
+ continue;
+ }
+
+ switch (type) {
+ case 'g':
+ _gain_automation_curve.fast_simple_add (when, value);
+ break;
+
+ case 's':
+ break;
+
+ case 'm':
+ break;
+
+ case 'p':
+ /* older (pre-1.0) versions of ardour used this */
+ break;
+
+ default:
+ warning << _("dubious automation event found (and ignored)") << endmsg;
+ }
+ }
+
+ return 0;
+}
+