+void
+VideoTimeLine::harvid_readversion (std::string d, size_t /* s */) {
+ harvid_version += d;
+}
+
+void
+VideoTimeLine::find_harvid () {
+ /* This is mainly for the benefit of the windows version:
+ * harvid >= 0.8.2 allows an empty docroot and ardour can
+ * pass the drive-letter along.
+ *
+ * It is a chicken/egg w.r.t. the video-server dialog
+ * but needed for default preferences and initial settings.
+ */
+ std::string harvid_bin;
+ if (VideoUtils::harvid_version != 0x0) {
+ return;
+ }
+ if (!ArdourVideoToolPaths::harvid_exe(harvid_bin)) {
+ return;
+ }
+ if (harvid_bin.empty ()) {
+ return;
+ }
+ ARDOUR::SystemExec version_check(harvid_bin, X_("--version"));
+ harvid_version = "";
+ version_check.ReadStdout.connect_same_thread (*this, boost::bind (&VideoTimeLine::harvid_readversion, this, _1 ,_2));
+ version_check.Terminated.connect_same_thread (*this, boost::bind (&VideoTimeLine::harvid_readversion, this, "\n" ,1));
+ if (version_check.start(2)) {
+ return;
+ }
+
+#ifdef PLATFORM_WINDOWS
+ version_check.wait (); // 40ms timeout
+#else
+ version_check.wait (WNOHANG);
+#endif
+
+ int timeout = 300;
+ while (harvid_version.empty() && --timeout) {
+ Glib::usleep(10000);
+ }
+
+ size_t vo = harvid_version.find("harvid v");
+ if (vo != string::npos) {
+ int v_major, v_minor, v_micro;
+ if(sscanf(harvid_version.substr(vo + 8, string::npos).c_str(),"%d.%d.%d",
+ &v_major, &v_minor, &v_micro) == 3)
+ {
+ VideoUtils::harvid_version = (v_major << 16) | (v_minor << 8) | v_micro;
+ info << "harvid version: "<< hex << VideoUtils::harvid_version << endmsg;
+ }
+ }
+}
+