dmime: Remove unneeded casts

[Andrew Talbot]

Changelog:
    dmime: Remove unneeded casts.

diff --git a/dlls/dmime/audiopath.c b/dlls/dmime/audiopath.c
index 2deb846..c70c5c6 100644
--- a/dlls/dmime/audiopath.c
+++ b/dlls/dmime/audiopath.c
@@ -142,7 +142,7 @@ static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicAudioPath_GetObjectI
 		DMUSIC_CreateDirectMusicGraphImpl (&IID_IDirectMusicGraph, (LPVOID*)&pGraph, NULL);
 		This->pToolGraph = (IDirectMusicGraph*) pGraph;
 	      }
-	      *ppObject = (LPDIRECTMUSICGRAPH) This->pToolGraph; 
+	      *ppObject = This->pToolGraph;
 	      IDirectMusicGraph_AddRef((LPDIRECTMUSICGRAPH) *ppObject);
 	      return S_OK;
 	    }
@@ -158,7 +158,7 @@ static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicAudioPath_GetObjectI
 	case DMUS_PATH_PERFORMANCE:
 	  {
 	    /* TODO check wanted GUID */
-	    *ppObject = (LPDIRECTMUSICPERFORMANCE8) This->pPerf; 
+	    *ppObject = This->pPerf; 
 	    IUnknown_AddRef((LPUNKNOWN) *ppObject);
 	    return S_OK;
 	  }
@@ -167,16 +167,16 @@ static HRESULT WINAPI IDirectMusicAudioPathImpl_IDirectMusicAudioPath_GetObjectI
 	case DMUS_PATH_PERFORMANCE_GRAPH:
 	  {
 	    IDirectMusicGraph* pPerfoGraph = NULL; 
-	    IDirectMusicPerformance8_GetGraph((LPDIRECTMUSICPERFORMANCE8) This->pPerf, &pPerfoGraph);
+	    IDirectMusicPerformance8_GetGraph(This->pPerf, &pPerfoGraph);
 	    if (NULL == pPerfoGraph) {
 	      IDirectMusicGraphImpl* pGraph = NULL; 
 	      DMUSIC_CreateDirectMusicGraphImpl (&IID_IDirectMusicGraph, (LPVOID*)&pGraph, NULL);			
-	      IDirectMusicPerformance8_SetGraph((LPDIRECTMUSICPERFORMANCE8) This->pPerf, (IDirectMusicGraph*) pGraph);
+	      IDirectMusicPerformance8_SetGraph(This->pPerf, (IDirectMusicGraph*) pGraph);
 	      /* we need release as SetGraph do an AddRef */
 	      IDirectMusicGraph_Release((LPDIRECTMUSICGRAPH) pGraph);
 	      pPerfoGraph = (LPDIRECTMUSICGRAPH) pGraph;
 	    }
-	    *ppObject = (LPDIRECTMUSICGRAPH) pPerfoGraph; 
+	    *ppObject = pPerfoGraph;
 	    return S_OK;
 	  }
 	  break;
diff --git a/dlls/dmime/performance.c b/dlls/dmime/performance.c
index 4013106..51a4b25 100644
--- a/dlls/dmime/performance.c
+++ b/dlls/dmime/performance.c
@@ -219,8 +219,8 @@ static HRESULT WINAPI IDirectMusicPerformance8Impl_Init (LPDIRECTMUSICPERFORMANC
 	}
 
 	if (NULL != pDirectSound) {
-	  This->pDirectSound = (IDirectSound*) pDirectSound;
-	  IDirectSound_AddRef((LPDIRECTSOUND) This->pDirectSound);
+	  This->pDirectSound = pDirectSound;
+	  IDirectSound_AddRef(This->pDirectSound);
 	} else {
 	  HRESULT hr;
 	  hr = DirectSoundCreate8(NULL, (LPDIRECTSOUND8*) &This->pDirectSound, NULL);
@@ -242,7 +242,7 @@ static HRESULT WINAPI IDirectMusicPerformance8Impl_Init (LPDIRECTMUSICPERFORMANC
 	if (NULL != ppDirectMusic && NULL != *ppDirectMusic) {
 	  /* app creates it's own dmusic object and gives it to performance */
 	  This->pDirectMusic = (IDirectMusic8*) *ppDirectMusic;
-	  IDirectMusic8_AddRef((LPDIRECTMUSIC8) This->pDirectMusic);
+	  IDirectMusic8_AddRef(This->pDirectMusic);
 	} else {
 	  /* app allows the performance to initialise itfself and needs a pointer to object*/
           CoCreateInstance (&CLSID_DirectMusic, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusic8, (void**)&This->pDirectMusic);
@@ -451,8 +451,8 @@ static HRESULT WINAPI IDirectMusicPerformance8Impl_GetGraph (LPDIRECTMUSICPERFOR
   IDirectMusicPerformance8Impl *This = (IDirectMusicPerformance8Impl *)iface;
   FIXME("(%p, %p): to check\n", This, ppGraph);
   if (NULL != This->pToolGraph) {
-    *ppGraph = (LPDIRECTMUSICGRAPH) This->pToolGraph; 
-    IDirectMusicGraph_AddRef((LPDIRECTMUSICGRAPH) *ppGraph);
+    *ppGraph = This->pToolGraph;
+    IDirectMusicGraph_AddRef(*ppGraph);
   } else {
     return E_FAIL;
   }
@@ -466,11 +466,11 @@ static HRESULT WINAPI IDirectMusicPerformance8Impl_SetGraph (LPDIRECTMUSICPERFOR
   
   if (NULL != This->pToolGraph) {
     /* Todo clean buffers and tools before */
-    IDirectMusicGraph_Release((LPDIRECTMUSICGRAPH) This->pToolGraph);
+    IDirectMusicGraph_Release(This->pToolGraph);
   }
   This->pToolGraph = pGraph;
   if (NULL != This->pToolGraph) {
-    IDirectMusicGraph_AddRef((LPDIRECTMUSICGRAPH) This->pToolGraph);
+    IDirectMusicGraph_AddRef(This->pToolGraph);
   }
   return S_OK;
 }
@@ -690,11 +690,11 @@ static HRESULT WINAPI IDirectMusicPerformance8Impl_CloseDown (LPDIRECTMUSICPERFO
     CloseHandle(This->procThread);
   }
   if (NULL != This->pDirectSound) {
-    IDirectSound_Release((LPDIRECTSOUND) This->pDirectSound);
+    IDirectSound_Release(This->pDirectSound);
     This->pDirectSound = NULL;
   }
   if (NULL != This->pDirectMusic) {
-    IDirectMusic8_Release((LPDIRECTMUSIC8) This->pDirectMusic);
+    IDirectMusic8_Release(This->pDirectMusic);
     This->pDirectMusic = NULL;
   }
   return S_OK;
@@ -785,7 +785,7 @@ static HRESULT WINAPI IDirectMusicPerformance8Impl_InitAudio (LPDIRECTMUSICPERFO
 	  This->pParams.dwFeatures = dwFlags;
 	  This->pParams.clsidDefaultSynth = CLSID_DirectMusicSynthSink;
 	}
-	hr = IDirectMusicPerformance8_CreateStandardAudioPath(iface, dwDefaultPathType, dwPChannelCount, FALSE, (IDirectMusicAudioPath**) &This->pDefaultPath);
+	hr = IDirectMusicPerformance8_CreateStandardAudioPath(iface, dwDefaultPathType, dwPChannelCount, FALSE, &This->pDefaultPath);
 
 	PostMessageToProcessMsgThread(This, PROCESSMSG_START);
 
@@ -829,7 +829,7 @@ static HRESULT WINAPI IDirectMusicPerformance8Impl_CreateAudioPath (LPDIRECTMUSI
 
 	/** TODO */
 	
-	*ppNewPath = (LPDIRECTMUSICAUDIOPATH) pPath;
+	*ppNewPath = pPath;
 
 	return IDirectMusicAudioPath_Activate(*ppNewPath, fActivate);
 }
@@ -921,7 +921,7 @@ static HRESULT WINAPI IDirectMusicPerformance8Impl_CreateStandardAudioPath (LPDI
 	}
 	default_path->pPrimary = buffer;
 
-	*ppNewPath = (LPDIRECTMUSICAUDIOPATH) pPath;
+	*ppNewPath = pPath;
 	
 	TRACE(" returning IDirectMusicPerformance interface at %p.\n", *ppNewPath);
 
@@ -933,13 +933,13 @@ static HRESULT WINAPI IDirectMusicPerformance8Impl_SetDefaultAudioPath (LPDIRECT
 
 	FIXME("(%p, %p): semi-stub\n", This, pAudioPath);
 	if (NULL != This->pDefaultPath) {
-		IDirectMusicAudioPath_Release((LPDIRECTMUSICAUDIOPATH) This->pDefaultPath);
+		IDirectMusicAudioPath_Release(This->pDefaultPath);
 		((IDirectMusicAudioPathImpl*) This->pDefaultPath)->pPerf = NULL;
 		This->pDefaultPath = NULL;
 	}
 	This->pDefaultPath = pAudioPath;
 	if (NULL != This->pDefaultPath) {
-		IDirectMusicAudioPath_AddRef((LPDIRECTMUSICAUDIOPATH) This->pDefaultPath);
+		IDirectMusicAudioPath_AddRef(This->pDefaultPath);
 		((IDirectMusicAudioPathImpl*) This->pDefaultPath)->pPerf = (IDirectMusicPerformance8*) This;	
 	}
 	
@@ -952,7 +952,7 @@ static HRESULT WINAPI IDirectMusicPerformance8Impl_GetDefaultAudioPath (LPDIRECT
 	FIXME("(%p, %p): semi-stub (%p)\n", This, ppAudioPath, This->pDefaultPath);
 
 	if (NULL != This->pDefaultPath) {
-	  *ppAudioPath = (LPDIRECTMUSICAUDIOPATH) This->pDefaultPath;
+	  *ppAudioPath = This->pDefaultPath;
           IDirectMusicAudioPath_AddRef(*ppAudioPath);
         } else {
 	  *ppAudioPath = NULL;