ardour/livetrax
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fix dummy-backend driver state

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When loading previous state, set_driver() is called before
enumerate_drivers(). 
The available driver list must be available early on.
This commit is contained in:
Robin Gareus 2015-09-06 10:42:29 +02:00
parent 3fc5bf617a
commit 788234e317
1 changed files with 13 additions and 11 deletions
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24
libs/backends/dummy/dummy_audiobackend.cc
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@ -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;
}