Get rid of a redundant enum

34 files changed, 64 insertions, 69 deletions

diff --git a/alc/alc.cpp b/alc/alc.cpp
index 0851305a..4992236a 100644
--- a/alc/alc.cpp
+++ b/alc/alc.cpp
@@ -1221,7 +1221,7 @@ void ProbeAllDevicesList()
         decltype(alcAllDevicesList){}.swap(alcAllDevicesList);
     else
     {
-        std::string names{PlaybackFactory->probe(DevProbe::Playback)};
+        std::string names{PlaybackFactory->probe(BackendType::Playback)};
         if(names.empty()) names += '\0';
         names.swap(alcAllDevicesList);
     }
@@ -1235,7 +1235,7 @@ void ProbeCaptureDeviceList()
         decltype(alcCaptureDeviceList){}.swap(alcCaptureDeviceList);
     else
     {
-        std::string names{CaptureFactory->probe(DevProbe::Capture)};
+        std::string names{CaptureFactory->probe(BackendType::Capture)};
         if(names.empty()) names += '\0';
         names.swap(alcCaptureDeviceList);
     }
diff --git a/alc/backends/alsa.cpp b/alc/backends/alsa.cpp
index f132cb72..689649dc 100644
--- a/alc/backends/alsa.cpp
+++ b/alc/backends/alsa.cpp
@@ -1229,7 +1229,7 @@ bool AlsaBackendFactory::init()
 bool AlsaBackendFactory::querySupport(BackendType type)
 { return (type == BackendType::Playback || type == BackendType::Capture); }
 
-std::string AlsaBackendFactory::probe(DevProbe type)
+std::string AlsaBackendFactory::probe(BackendType type)
 {
     std::string outnames;
 
@@ -1242,12 +1242,12 @@ std::string AlsaBackendFactory::probe(DevProbe type)
     };
     switch(type)
     {
-    case DevProbe::Playback:
+    case BackendType::Playback:
         PlaybackDevices = probe_devices(SND_PCM_STREAM_PLAYBACK);
         std::for_each(PlaybackDevices.cbegin(), PlaybackDevices.cend(), add_device);
         break;
 
-    case DevProbe::Capture:
+    case BackendType::Capture:
         CaptureDevices = probe_devices(SND_PCM_STREAM_CAPTURE);
         std::for_each(CaptureDevices.cbegin(), CaptureDevices.cend(), add_device);
         break;
diff --git a/alc/backends/alsa.h b/alc/backends/alsa.h
index e1c50444..12023cb6 100644
--- a/alc/backends/alsa.h
+++ b/alc/backends/alsa.h
@@ -9,7 +9,7 @@ public:
 
     bool querySupport(BackendType type) override;
 
-    std::string probe(DevProbe type) override;
+    std::string probe(BackendType type) override;
 
     BackendPtr createBackend(ALCdevice *device, BackendType type) override;
 
diff --git a/alc/backends/base.h b/alc/backends/base.h
index 764fb3f4..839fc424 100644
--- a/alc/backends/base.h
+++ b/alc/backends/base.h
@@ -55,18 +55,13 @@ enum class BackendType {
     Capture
 };
 
-enum class DevProbe {
-    Playback,
-    Capture
-};
-
 
 struct BackendFactory {
     virtual bool init() = 0;
 
     virtual bool querySupport(BackendType type) = 0;
 
-    virtual std::string probe(DevProbe type) = 0;
+    virtual std::string probe(BackendType type) = 0;
 
     virtual BackendPtr createBackend(ALCdevice *device, BackendType type) = 0;
 
diff --git a/alc/backends/coreaudio.cpp b/alc/backends/coreaudio.cpp
index 56520641..6201ca47 100644
--- a/alc/backends/coreaudio.cpp
+++ b/alc/backends/coreaudio.cpp
@@ -637,13 +637,13 @@ bool CoreAudioBackendFactory::init() { return true; }
 bool CoreAudioBackendFactory::querySupport(BackendType type)
 { return type == BackendType::Playback || type == BackendType::Capture; }
 
-std::string CoreAudioBackendFactory::probe(DevProbe type)
+std::string CoreAudioBackendFactory::probe(BackendType type)
 {
     std::string outnames;
     switch(type)
     {
-    case DevProbe::Playback:
-    case DevProbe::Capture:
+    case BackendType::Playback:
+    case BackendType::Capture:
         /* Includes null char. */
         outnames.append(ca_device, sizeof(ca_device));
         break;
diff --git a/alc/backends/coreaudio.h b/alc/backends/coreaudio.h
index 212db92b..16957806 100644
--- a/alc/backends/coreaudio.h
+++ b/alc/backends/coreaudio.h
@@ -9,7 +9,7 @@ public:
 
     bool querySupport(BackendType type) override;
 
-    std::string probe(DevProbe type) override;
+    std::string probe(BackendType type) override;
 
     BackendPtr createBackend(ALCdevice *device, BackendType type) override;
 
diff --git a/alc/backends/dsound.cpp b/alc/backends/dsound.cpp
index abe36e57..e2445cda 100644
--- a/alc/backends/dsound.cpp
+++ b/alc/backends/dsound.cpp
@@ -869,7 +869,7 @@ bool DSoundBackendFactory::init()
 bool DSoundBackendFactory::querySupport(BackendType type)
 { return (type == BackendType::Playback || type == BackendType::Capture); }
 
-std::string DSoundBackendFactory::probe(DevProbe type)
+std::string DSoundBackendFactory::probe(BackendType type)
 {
     std::string outnames;
     auto add_device = [&outnames](const DevMap &entry) -> void
@@ -885,7 +885,7 @@ std::string DSoundBackendFactory::probe(DevProbe type)
     HRESULT hrcom{CoInitialize(nullptr)};
     switch(type)
     {
-    case DevProbe::Playback:
+    case BackendType::Playback:
         PlaybackDevices.clear();
         hr = DirectSoundEnumerateW(DSoundEnumDevices, &PlaybackDevices);
         if(FAILED(hr))
@@ -893,7 +893,7 @@ std::string DSoundBackendFactory::probe(DevProbe type)
         std::for_each(PlaybackDevices.cbegin(), PlaybackDevices.cend(), add_device);
         break;
 
-    case DevProbe::Capture:
+    case BackendType::Capture:
         CaptureDevices.clear();
         hr = DirectSoundCaptureEnumerateW(DSoundEnumDevices, &CaptureDevices);
         if(FAILED(hr))
diff --git a/alc/backends/dsound.h b/alc/backends/dsound.h
index d1948198..83f7d5c7 100644
--- a/alc/backends/dsound.h
+++ b/alc/backends/dsound.h
@@ -9,7 +9,7 @@ public:
 
     bool querySupport(BackendType type) override;
 
-    std::string probe(DevProbe type) override;
+    std::string probe(BackendType type) override;
 
     BackendPtr createBackend(ALCdevice *device, BackendType type) override;
 
diff --git a/alc/backends/jack.cpp b/alc/backends/jack.cpp
index f784fed9..8d52d6ee 100644
--- a/alc/backends/jack.cpp
+++ b/alc/backends/jack.cpp
@@ -504,16 +504,16 @@ bool JackBackendFactory::init()
 bool JackBackendFactory::querySupport(BackendType type)
 { return (type == BackendType::Playback); }
 
-std::string JackBackendFactory::probe(DevProbe type)
+std::string JackBackendFactory::probe(BackendType type)
 {
     std::string outnames;
     switch(type)
     {
-    case DevProbe::Playback:
+    case BackendType::Playback:
         /* Includes null char. */
         outnames.append(jackDevice, sizeof(jackDevice));
         break;
-    case DevProbe::Capture:
+    case BackendType::Capture:
         break;
     }
     return outnames;
diff --git a/alc/backends/jack.h b/alc/backends/jack.h
index 793d6f8e..f966c8f0 100644
--- a/alc/backends/jack.h
+++ b/alc/backends/jack.h
@@ -9,7 +9,7 @@ public:
 
     bool querySupport(BackendType type) override;
 
-    std::string probe(DevProbe type) override;
+    std::string probe(BackendType type) override;
 
     BackendPtr createBackend(ALCdevice *device, BackendType type) override;
 
diff --git a/alc/backends/loopback.cpp b/alc/backends/loopback.cpp
index 44ac68d1..071d095d 100644
--- a/alc/backends/loopback.cpp
+++ b/alc/backends/loopback.cpp
@@ -66,7 +66,7 @@ bool LoopbackBackendFactory::init()
 bool LoopbackBackendFactory::querySupport(BackendType)
 { return true; }
 
-std::string LoopbackBackendFactory::probe(DevProbe)
+std::string LoopbackBackendFactory::probe(BackendType)
 { return std::string{}; }
 
 BackendPtr LoopbackBackendFactory::createBackend(ALCdevice *device, BackendType)
diff --git a/alc/backends/loopback.h b/alc/backends/loopback.h
index df4929e6..d000e033 100644
--- a/alc/backends/loopback.h
+++ b/alc/backends/loopback.h
@@ -9,7 +9,7 @@ public:
 
     bool querySupport(BackendType type) override;
 
-    std::string probe(DevProbe type) override;
+    std::string probe(BackendType type) override;
 
     BackendPtr createBackend(ALCdevice *device, BackendType type) override;
 
diff --git a/alc/backends/null.cpp b/alc/backends/null.cpp
index 1b90a1ee..8692e513 100644
--- a/alc/backends/null.cpp
+++ b/alc/backends/null.cpp
@@ -154,16 +154,16 @@ bool NullBackendFactory::init()
 bool NullBackendFactory::querySupport(BackendType type)
 { return (type == BackendType::Playback); }
 
-std::string NullBackendFactory::probe(DevProbe type)
+std::string NullBackendFactory::probe(BackendType type)
 {
     std::string outnames;
     switch(type)
     {
-    case DevProbe::Playback:
+    case BackendType::Playback:
         /* Includes null char. */
         outnames.append(nullDevice, sizeof(nullDevice));
         break;
-    case DevProbe::Capture:
+    case BackendType::Capture:
         break;
     }
     return outnames;
diff --git a/alc/backends/null.h b/alc/backends/null.h
index 1d714349..8e9c59e5 100644
--- a/alc/backends/null.h
+++ b/alc/backends/null.h
@@ -9,7 +9,7 @@ public:
 
     bool querySupport(BackendType type) override;
 
-    std::string probe(DevProbe type) override;
+    std::string probe(BackendType type) override;
 
     BackendPtr createBackend(ALCdevice *device, BackendType type) override;
 
diff --git a/alc/backends/opensl.cpp b/alc/backends/opensl.cpp
index d9ee47eb..ad85e5fb 100644
--- a/alc/backends/opensl.cpp
+++ b/alc/backends/opensl.cpp
@@ -939,13 +939,13 @@ bool OSLBackendFactory::init() { return true; }
 bool OSLBackendFactory::querySupport(BackendType type)
 { return (type == BackendType::Playback || type == BackendType::Capture); }
 
-std::string OSLBackendFactory::probe(DevProbe type)
+std::string OSLBackendFactory::probe(BackendType type)
 {
     std::string outnames;
     switch(type)
     {
-    case DevProbe::Playback:
-    case DevProbe::Capture:
+    case BackendType::Playback:
+    case BackendType::Capture:
         /* Includes null char. */
         outnames.append(opensl_device, sizeof(opensl_device));
         break;
diff --git a/alc/backends/opensl.h b/alc/backends/opensl.h
index 4309293b..b1c5cf5a 100644
--- a/alc/backends/opensl.h
+++ b/alc/backends/opensl.h
@@ -9,7 +9,7 @@ public:
 
     bool querySupport(BackendType type) override;
 
-    std::string probe(DevProbe type) override;
+    std::string probe(BackendType type) override;
 
     BackendPtr createBackend(ALCdevice *device, BackendType type) override;
 
diff --git a/alc/backends/oss.cpp b/alc/backends/oss.cpp
index ef3ca556..2176078a 100644
--- a/alc/backends/oss.cpp
+++ b/alc/backends/oss.cpp
@@ -670,7 +670,7 @@ bool OSSBackendFactory::init()
 bool OSSBackendFactory::querySupport(BackendType type)
 { return (type == BackendType::Playback || type == BackendType::Capture); }
 
-std::string OSSBackendFactory::probe(DevProbe type)
+std::string OSSBackendFactory::probe(BackendType type)
 {
     std::string outnames;
 
@@ -686,13 +686,13 @@ std::string OSSBackendFactory::probe(DevProbe type)
 
     switch(type)
     {
-    case DevProbe::Playback:
+    case BackendType::Playback:
         PlaybackDevices.clear();
         ALCossListPopulate(&PlaybackDevices, DSP_CAP_OUTPUT);
         std::for_each(PlaybackDevices.cbegin(), PlaybackDevices.cend(), add_device);
         break;
 
-    case DevProbe::Capture:
+    case BackendType::Capture:
         CaptureDevices.clear();
         ALCossListPopulate(&CaptureDevices, DSP_CAP_INPUT);
         std::for_each(CaptureDevices.cbegin(), CaptureDevices.cend(), add_device);
diff --git a/alc/backends/oss.h b/alc/backends/oss.h
index 4305dc78..dd92efc3 100644
--- a/alc/backends/oss.h
+++ b/alc/backends/oss.h
@@ -9,7 +9,7 @@ public:
 
     bool querySupport(BackendType type) override;
 
-    std::string probe(DevProbe type) override;
+    std::string probe(BackendType type) override;
 
     BackendPtr createBackend(ALCdevice *device, BackendType type) override;
 
diff --git a/alc/backends/portaudio.cpp b/alc/backends/portaudio.cpp
index 7696e4f6..29715554 100644
--- a/alc/backends/portaudio.cpp
+++ b/alc/backends/portaudio.cpp
@@ -419,13 +419,13 @@ bool PortBackendFactory::init()
 bool PortBackendFactory::querySupport(BackendType type)
 { return (type == BackendType::Playback || type == BackendType::Capture); }
 
-std::string PortBackendFactory::probe(DevProbe type)
+std::string PortBackendFactory::probe(BackendType type)
 {
     std::string outnames;
     switch(type)
     {
-    case DevProbe::Playback:
-    case DevProbe::Capture:
+    case BackendType::Playback:
+    case BackendType::Capture:
         /* Includes null char. */
         outnames.append(pa_device, sizeof(pa_device));
         break;
diff --git a/alc/backends/portaudio.h b/alc/backends/portaudio.h
index d88d78e1..9dbd6b94 100644
--- a/alc/backends/portaudio.h
+++ b/alc/backends/portaudio.h
@@ -9,7 +9,7 @@ public:
 
     bool querySupport(BackendType type) override;
 
-    std::string probe(DevProbe type) override;
+    std::string probe(BackendType type) override;
 
     BackendPtr createBackend(ALCdevice *device, BackendType type) override;
 
diff --git a/alc/backends/pulseaudio.cpp b/alc/backends/pulseaudio.cpp
index 102e3915..51f8cfc8 100644
--- a/alc/backends/pulseaudio.cpp
+++ b/alc/backends/pulseaudio.cpp
@@ -1501,7 +1501,7 @@ bool PulseBackendFactory::init()
 bool PulseBackendFactory::querySupport(BackendType type)
 { return type == BackendType::Playback || type == BackendType::Capture; }
 
-std::string PulseBackendFactory::probe(DevProbe type)
+std::string PulseBackendFactory::probe(BackendType type)
 {
     std::string outnames;
 
@@ -1515,12 +1515,12 @@ std::string PulseBackendFactory::probe(DevProbe type)
 
     switch(type)
     {
-    case DevProbe::Playback:
+    case BackendType::Playback:
         gGlobalMainloop.probePlaybackDevices();
         std::for_each(PlaybackDevices.cbegin(), PlaybackDevices.cend(), add_device);
         break;
 
-    case DevProbe::Capture:
+    case BackendType::Capture:
         gGlobalMainloop.probeCaptureDevices();
         std::for_each(CaptureDevices.cbegin(), CaptureDevices.cend(), add_device);
         break;
diff --git a/alc/backends/pulseaudio.h b/alc/backends/pulseaudio.h
index 575eecc1..86b81502 100644
--- a/alc/backends/pulseaudio.h
+++ b/alc/backends/pulseaudio.h
@@ -9,7 +9,7 @@ public:
 
     bool querySupport(BackendType type) override;
 
-    std::string probe(DevProbe type) override;
+    std::string probe(BackendType type) override;
 
     BackendPtr createBackend(ALCdevice *device, BackendType type) override;
 
diff --git a/alc/backends/sdl2.cpp b/alc/backends/sdl2.cpp
index e894e6a6..b47ff185 100644
--- a/alc/backends/sdl2.cpp
+++ b/alc/backends/sdl2.cpp
@@ -193,11 +193,11 @@ bool SDL2BackendFactory::init()
 bool SDL2BackendFactory::querySupport(BackendType type)
 { return type == BackendType::Playback; }
 
-std::string SDL2BackendFactory::probe(DevProbe type)
+std::string SDL2BackendFactory::probe(BackendType type)
 {
     std::string outnames;
 
-    if(type != DevProbe::Playback)
+    if(type != BackendType::Playback)
         return outnames;
 
     int num_devices{SDL_GetNumAudioDevices(SDL_FALSE)};
diff --git a/alc/backends/sdl2.h b/alc/backends/sdl2.h
index 3c6d09bc..ce79d52e 100644
--- a/alc/backends/sdl2.h
+++ b/alc/backends/sdl2.h
@@ -9,7 +9,7 @@ public:
 
     bool querySupport(BackendType type) override;
 
-    std::string probe(DevProbe type) override;
+    std::string probe(BackendType type) override;
 
     BackendPtr createBackend(ALCdevice *device, BackendType type) override;
 
diff --git a/alc/backends/sndio.cpp b/alc/backends/sndio.cpp
index e9f11791..7ca11430 100644
--- a/alc/backends/sndio.cpp
+++ b/alc/backends/sndio.cpp
@@ -452,13 +452,13 @@ bool SndIOBackendFactory::init()
 bool SndIOBackendFactory::querySupport(BackendType type)
 { return (type == BackendType::Playback || type == BackendType::Capture); }
 
-std::string SndIOBackendFactory::probe(DevProbe type)
+std::string SndIOBackendFactory::probe(BackendType type)
 {
     std::string outnames;
     switch(type)
     {
-    case DevProbe::Playback:
-    case DevProbe::Capture:
+    case BackendType::Playback:
+    case BackendType::Capture:
         /* Includes null char. */
         outnames.append(sndio_device, sizeof(sndio_device));
         break;
diff --git a/alc/backends/sndio.h b/alc/backends/sndio.h
index 5928ebd9..83d02906 100644
--- a/alc/backends/sndio.h
+++ b/alc/backends/sndio.h
@@ -9,7 +9,7 @@ public:
 
     bool querySupport(BackendType type) override;
 
-    std::string probe(DevProbe type) override;
+    std::string probe(BackendType type) override;
 
     BackendPtr createBackend(ALCdevice *device, BackendType type) override;
 
diff --git a/alc/backends/solaris.cpp b/alc/backends/solaris.cpp
index a6f1c3f0..78f5f142 100644
--- a/alc/backends/solaris.cpp
+++ b/alc/backends/solaris.cpp
@@ -270,12 +270,12 @@ bool SolarisBackendFactory::init()
 bool SolarisBackendFactory::querySupport(BackendType type)
 { return type == BackendType::Playback; }
 
-std::string SolarisBackendFactory::probe(DevProbe type)
+std::string SolarisBackendFactory::probe(BackendType type)
 {
     std::string outnames;
     switch(type)
     {
-    case DevProbe::Playback:
+    case BackendType::Playback:
     {
         struct stat buf;
         if(stat(solaris_driver.c_str(), &buf) == 0)
@@ -283,7 +283,7 @@ std::string SolarisBackendFactory::probe(DevProbe type)
     }
     break;
 
-    case DevProbe::Capture:
+    case BackendType::Capture:
         break;
     }
     return outnames;
diff --git a/alc/backends/solaris.h b/alc/backends/solaris.h
index 14ace580..4a9e505b 100644
--- a/alc/backends/solaris.h
+++ b/alc/backends/solaris.h
@@ -9,7 +9,7 @@ public:
 
     bool querySupport(BackendType type) override;
 
-    std::string probe(DevProbe type) override;
+    std::string probe(BackendType type) override;
 
     BackendPtr createBackend(ALCdevice *device, BackendType type) override;
 
diff --git a/alc/backends/wasapi.cpp b/alc/backends/wasapi.cpp
index 74c3afbe..6082b545 100644
--- a/alc/backends/wasapi.cpp
+++ b/alc/backends/wasapi.cpp
@@ -1744,7 +1744,7 @@ bool WasapiBackendFactory::init()
 bool WasapiBackendFactory::querySupport(BackendType type)
 { return type == BackendType::Playback || type == BackendType::Capture; }
 
-std::string WasapiBackendFactory::probe(DevProbe type)
+std::string WasapiBackendFactory::probe(BackendType type)
 {
     std::string outnames;
     auto add_device = [&outnames](const DevMap &entry) -> void
@@ -1757,12 +1757,12 @@ std::string WasapiBackendFactory::probe(DevProbe type)
 
     switch(type)
     {
-    case DevProbe::Playback:
+    case BackendType::Playback:
         WasapiProxy::pushMessageStatic(MsgType::EnumeratePlayback).wait();
         std::for_each(PlaybackDevices.cbegin(), PlaybackDevices.cend(), add_device);
         break;
 
-    case DevProbe::Capture:
+    case BackendType::Capture:
         WasapiProxy::pushMessageStatic(MsgType::EnumerateCapture).wait();
         std::for_each(CaptureDevices.cbegin(), CaptureDevices.cend(), add_device);
         break;
diff --git a/alc/backends/wasapi.h b/alc/backends/wasapi.h
index ef718a6f..97143c1a 100644
--- a/alc/backends/wasapi.h
+++ b/alc/backends/wasapi.h
@@ -9,7 +9,7 @@ public:
 
     bool querySupport(BackendType type) override;
 
-    std::string probe(DevProbe type) override;
+    std::string probe(BackendType type) override;
 
     BackendPtr createBackend(ALCdevice *device, BackendType type) override;
 
diff --git a/alc/backends/wave.cpp b/alc/backends/wave.cpp
index 2c4c4412..813be401 100644
--- a/alc/backends/wave.cpp
+++ b/alc/backends/wave.cpp
@@ -373,16 +373,16 @@ bool WaveBackendFactory::init()
 bool WaveBackendFactory::querySupport(BackendType type)
 { return type == BackendType::Playback; }
 
-std::string WaveBackendFactory::probe(DevProbe type)
+std::string WaveBackendFactory::probe(BackendType type)
 {
     std::string outnames;
     switch(type)
     {
-    case DevProbe::Playback:
+    case BackendType::Playback:
         /* Includes null char. */
         outnames.append(waveDevice, sizeof(waveDevice));
         break;
-    case DevProbe::Capture:
+    case BackendType::Capture:
         break;
     }
     return outnames;
diff --git a/alc/backends/wave.h b/alc/backends/wave.h
index 637d082c..5719961f 100644
--- a/alc/backends/wave.h
+++ b/alc/backends/wave.h
@@ -9,7 +9,7 @@ public:
 
     bool querySupport(BackendType type) override;
 
-    std::string probe(DevProbe type) override;
+    std::string probe(BackendType type) override;
 
     BackendPtr createBackend(ALCdevice *device, BackendType type) override;
 
diff --git a/alc/backends/winmm.cpp b/alc/backends/winmm.cpp
index cd63352f..d85b611d 100644
--- a/alc/backends/winmm.cpp
+++ b/alc/backends/winmm.cpp
@@ -590,7 +590,7 @@ bool WinMMBackendFactory::init()
 bool WinMMBackendFactory::querySupport(BackendType type)
 { return type == BackendType::Playback || type == BackendType::Capture; }
 
-std::string WinMMBackendFactory::probe(DevProbe type)
+std::string WinMMBackendFactory::probe(BackendType type)
 {
     std::string outnames;
     auto add_device = [&outnames](const std::string &dname) -> void
@@ -603,12 +603,12 @@ std::string WinMMBackendFactory::probe(DevProbe type)
     };
     switch(type)
     {
-    case DevProbe::Playback:
+    case BackendType::Playback:
         ProbePlaybackDevices();
         std::for_each(PlaybackDevices.cbegin(), PlaybackDevices.cend(), add_device);
         break;
 
-    case DevProbe::Capture:
+    case BackendType::Capture:
         ProbeCaptureDevices();
         std::for_each(CaptureDevices.cbegin(), CaptureDevices.cend(), add_device);
         break;
diff --git a/alc/backends/winmm.h b/alc/backends/winmm.h
index 28b66e98..bf09ddd9 100644
--- a/alc/backends/winmm.h
+++ b/alc/backends/winmm.h
@@ -9,7 +9,7 @@ public:
 
     bool querySupport(BackendType type) override;
 
-    std::string probe(DevProbe type) override;
+    std::string probe(BackendType type) override;
 
     BackendPtr createBackend(ALCdevice *device, BackendType type) override;