fix dummy-backend driver state

When loading previous state, set_driver() is called before
enumerate_drivers().
The available driver list must be available early on.

diff --git a/libs/backends/dummy/dummy_audiobackend.cc b/libs/backends/dummy/dummy_audiobackend.cc
index f3f1fbac4b09c986f666f7974ddd5c455b57df4f..15d1177c7137673297b5016dc47a6fb1f8348158 100644 (file)
--- a/libs/backends/dummy/dummy_audiobackend.cc
+++ b/libs/backends/dummy/dummy_audiobackend.cc
@@ -84,6 +84,18 @@ DummyAudioBackend::DummyAudioBackend (AudioEngine& e, AudioBackendInfo& info)
        _instance_name = s_instance_name;
        _device = _("Silence");
        pthread_mutex_init (&_port_callback_mutex, 0);
+
+       if (_driver_speed.empty()) {
+               _driver_speed.push_back (DriverSpeed (_("Half Speed"),   2.0f));
+               _driver_speed.push_back (DriverSpeed (_("Normal Speed"), 1.0f));
+               _driver_speed.push_back (DriverSpeed (_("Double Speed"), 0.5f));
+               _driver_speed.push_back (DriverSpeed (_("5x Speed"),     0.2f));
+               _driver_speed.push_back (DriverSpeed (_("10x Speed"),    0.1f));
+               _driver_speed.push_back (DriverSpeed (_("15x Speed"),    0.06666f));
+               _driver_speed.push_back (DriverSpeed (_("20x Speed"),    0.05f));
+               _driver_speed.push_back (DriverSpeed (_("50x Speed"),    0.02f));
+       }
+
 }
 
 DummyAudioBackend::~DummyAudioBackend ()
@@ -188,17 +200,6 @@ DummyAudioBackend::can_change_buffer_size_when_running () const
 std::vector<std::string>
 DummyAudioBackend::enumerate_drivers () const
 {
-       if (_driver_speed.empty()) {
-               _driver_speed.push_back (DriverSpeed (_("Half Speed"),   2.0f));
-               _driver_speed.push_back (DriverSpeed (_("Normal Speed"), 1.0f));
-               _driver_speed.push_back (DriverSpeed (_("Double Speed"), 0.5f));
-               _driver_speed.push_back (DriverSpeed (_("5x Speed"),     0.2f));
-               _driver_speed.push_back (DriverSpeed (_("10x Speed"),    0.1f));
-               _driver_speed.push_back (DriverSpeed (_("15x Speed"),    0.06666f));
-               _driver_speed.push_back (DriverSpeed (_("20x Speed"),    0.05f));
-               _driver_speed.push_back (DriverSpeed (_("50x Speed"),    0.02f));
-       }
-
        std::vector<std::string> speed_drivers;
        for (std::vector<DriverSpeed>::const_iterator it = _driver_speed.begin () ; it != _driver_speed.end (); ++it) {
                speed_drivers.push_back (it->name);
@@ -227,6 +228,7 @@ DummyAudioBackend::set_driver (const std::string& d)
                        return 0;
                }
        }
+       assert (0);
        return -1;
 }