fix edge-case in Dummy-backend random number generator initialization

diff --git a/libs/backends/dummy/dummy_audiobackend.cc b/libs/backends/dummy/dummy_audiobackend.cc
index a59d7e31788ccf730513558d11b38a2552144217..b3cfd3918629c53f9135d2fbc57a87204982355e 100644 (file)
--- a/libs/backends/dummy/dummy_audiobackend.cc
+++ b/libs/backends/dummy/dummy_audiobackend.cc
@@ -1525,6 +1525,7 @@ void DummyPort::setup_random_number_generator ()
        _rseed = g_get_monotonic_time() % UINT_MAX;
        }
        _rseed = (_rseed + (uint64_t)this) % UINT_MAX;
+       if (_rseed == 0) _rseed = 1;
 }
 
 inline uint32_t