Merge branch 'master' into windows+cc

[ardour.git] / libs / ardour / globals.cc

diff --git a/libs/ardour/globals.cc b/libs/ardour/globals.cc
index 8646b819f302d44ae3445994c3b49540b92c3f16..b3bfbd22398bfc0ea52c7a8e8c239f895ea7fa20 100644 (file)
--- a/libs/ardour/globals.cc
+++ b/libs/ardour/globals.cc
@@ -544,7 +544,11 @@ ARDOUR::get_available_sync_options ()
 {
        vector<SyncSource> ret;
 
-       ret.push_back (JACK);
+       boost::shared_ptr<AudioBackend> backend = AudioEngine::instance()->current_backend();
+       if (backend && backend->name() == "JACK") {
+               ret.push_back (Engine);
+       }
+
        ret.push_back (MTC);
        ret.push_back (MIDIClock);
        ret.push_back (LTC);
@@ -584,10 +588,21 @@ clock_gettime (int /*clk_id*/, struct timespec *t)
 microseconds_t
 ARDOUR::get_microseconds ()
 {
+#ifdef PLATFORM_WINDOWS
+       microseconds_t ret = 0;
+       LARGE_INTEGER freq, time;
+
+       if (QueryPerformanceFrequency(&freq))
+               if (QueryPerformanceCounter(&time))
+                       ret = (microseconds_t)((time.QuadPart * 1000000) / freq.QuadPart);
+
+       return ret;
+#else
        struct timespec ts;
        if (clock_gettime (CLOCK_MONOTONIC, &ts) != 0) {
                /* EEEK! */
                return 0;
        }
        return (microseconds_t) ts.tv_sec * 1000000 + (ts.tv_nsec/1000);
+#endif
 }