mmdevapi: Implement Set/GetMasterVolumeLevel.

dlls/mmdevapi/audiovolume.c

@@ -43,6 +43,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
 typedef struct AEVImpl {
     IAudioEndpointVolumeEx IAudioEndpointVolumeEx_iface;
     LONG ref;
+    float master_vol;
 } AEVImpl;
 
 static inline AEVImpl *impl_from_IAudioEndpointVolumeEx(IAudioEndpointVolumeEx *iface)
@@ -120,9 +121,16 @@ static HRESULT WINAPI AEV_GetChannelCount(IAudioEndpointVolumeEx *iface, UINT *c
 
 static HRESULT WINAPI AEV_SetMasterVolumeLevel(IAudioEndpointVolumeEx *iface, float leveldb, const GUID *ctx)
 {
+    AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
+
     TRACE("(%p)->(%f,%s)\n", iface, leveldb, debugstr_guid(ctx));
-    FIXME("stub\n");
-    return E_NOTIMPL;
+
+    if(leveldb < -100.f || leveldb > 0.f)
+        return E_INVALIDARG;
+
+    This->master_vol = leveldb;
+
+    return S_OK;
 }
 
 static HRESULT WINAPI AEV_SetMasterVolumeLevelScalar(IAudioEndpointVolumeEx *iface, float level, const GUID *ctx)
@@ -134,11 +142,16 @@ static HRESULT WINAPI AEV_SetMasterVolumeLevelScalar(IAudioEndpointVolumeEx *ifa
 
 static HRESULT WINAPI AEV_GetMasterVolumeLevel(IAudioEndpointVolumeEx *iface, float *leveldb)
 {
+    AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
+
     TRACE("(%p)->(%p)\n", iface, leveldb);
+
     if (!leveldb)
         return E_POINTER;
-    FIXME("stub\n");
-    return E_NOTIMPL;
+
+    *leveldb = This->master_vol;
+
+    return S_OK;
 }
 
 static HRESULT WINAPI AEV_GetMasterVolumeLevelScalar(IAudioEndpointVolumeEx *iface, float *level)

dlls/mmdevapi/tests/render.c

@@ -2247,7 +2247,7 @@ static void test_endpointvolume(void)
 {
     HRESULT hr;
     IAudioEndpointVolume *aev;
-    float mindb, maxdb, increment;
+    float mindb, maxdb, increment, volume;
 
     hr = IMMDevice_Activate(dev, &IID_IAudioEndpointVolume,
             CLSCTX_INPROC_SERVER, NULL, (void**)&aev);
@@ -2262,6 +2262,15 @@ static void test_endpointvolume(void)
     ok(hr == S_OK, "GetVolumeRange failed: 0x%08x\n", hr);
     trace("got range: [%f,%f]/%f\n", mindb, maxdb, increment);
 
+    hr = IAudioEndpointVolume_SetMasterVolumeLevel(aev, mindb - increment, NULL);
+    ok(hr == E_INVALIDARG, "SetMasterVolumeLevel failed: 0x%08x\n", hr);
+
+    hr = IAudioEndpointVolume_GetMasterVolumeLevel(aev, &volume);
+    ok(hr == S_OK, "GetMasterVolumeLevel failed: 0x%08x\n", hr);
+
+    hr = IAudioEndpointVolume_SetMasterVolumeLevel(aev, volume, NULL);
+    ok(hr == S_OK, "SetMasterVolumeLevel failed: 0x%08x\n", hr);
+
     IAudioEndpointVolume_Release(aev);
 }