[PATCH] dsound: IDirectSoundNotify is only available when DSBCAPS_CTRLPOSITIONNOTIFY is specified.

[Alistair Leslie-Hughes]

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=45473
Signed-off-by: Alistair Leslie-Hughes 
---
 dlls/dsound/buffer.c       | 16 +++++++++++-----
 dlls/dsound/tests/dsound.c | 47 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+), 5 deletions(-)

diff --git a/dlls/dsound/buffer.c b/dlls/dsound/buffer.c
index 5262628..e54ba57 100644
--- a/dlls/dsound/buffer.c
+++ b/dlls/dsound/buffer.c
@@ -923,11 +923,17 @@ static HRESULT WINAPI IDirectSoundBufferImpl_QueryInterface(IDirectSoundBuffer8
                 return S_OK;
    }

-	if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
-                IDirectSoundNotify_AddRef(&This->IDirectSoundNotify_iface);
-                *ppobj = &This->IDirectSoundNotify_iface;
-                return S_OK;
-	}
+    if ( IsEqualGUID( &IID_IDirectSoundNotify, riid ) ) {
+        if(This->dsbd.dwFlags & DSBCAPS_CTRLPOSITIONNOTIFY)
+        {
+            IDirectSoundNotify_AddRef(&This->IDirectSoundNotify_iface);
+            *ppobj = &This->IDirectSoundNotify_iface;
+            return S_OK;
+        }
+
+        TRACE( "App requested IDirectSoundNotify without DSBCAPS_CTRLPOSITIONNOTIFY flag.\n");
+        return E_NOINTERFACE;
+    }

if ( IsEqualGUID( &IID_IDirectSound3DBuffer, riid ) ) {
             if(This->dsbd.dwFlags & DSBCAPS_CTRL3D){
diff --git a/dlls/dsound/tests/dsound.c b/dlls/dsound/tests/dsound.c
index 89f0aa0..5818ca1 100644
--- a/dlls/dsound/tests/dsound.c
+++ b/dlls/dsound/tests/dsound.c
@@ -1607,6 +1607,52 @@ static void test_notifications(LPGUID lpGuid)
     IDirectSound_Release(dso);
 }

+static void test_notifications_interface(LPGUID lpGuid)
+{
+    HRESULT rc;
+    IDirectSound *dso;
+    IDirectSoundBuffer *buf;
+    IDirectSoundNotify *notify;
+    DSBUFFERDESC bufdesc;
+    WAVEFORMATEX wfx;
+
+    rc = pDirectSoundCreate(lpGuid, &dso, NULL);
+    ok(rc == DS_OK || rc == DSERR_NODRIVER || rc == DSERR_ALLOCATED,
+           "DirectSoundCreate() failed: %08x\n", rc);
+    if(rc != DS_OK)
+        return;
+
+    rc = IDirectSound_SetCooperativeLevel(dso, get_hwnd(), DSSCL_PRIORITY);
+    ok(rc == DS_OK, "IDirectSound_SetCooperativeLevel() failed: %08x\n", rc);
+    if(rc != DS_OK){
+        IDirectSound_Release(dso);
+        return;
+    }
+
+    wfx.wFormatTag = WAVE_FORMAT_PCM;
+    wfx.nChannels = 1;
+    wfx.nSamplesPerSec = 44100;
+    wfx.wBitsPerSample = 16;
+    wfx.nBlockAlign = wfx.nChannels * wfx.wBitsPerSample / 8;
+    wfx.nAvgBytesPerSec = wfx.nSamplesPerSec * wfx.nBlockAlign;
+    wfx.cbSize = 0;
+
+    ZeroMemory(&bufdesc, sizeof(bufdesc));
+    bufdesc.dwSize = sizeof(bufdesc);
+    bufdesc.dwFlags = DSBCAPS_GETCURRENTPOSITION2;
+    bufdesc.dwBufferBytes = wfx.nSamplesPerSec * wfx.nBlockAlign / 2; /* 0.5s */
+    bufdesc.lpwfxFormat = &wfx;
+    rc = IDirectSound_CreateSoundBuffer(dso, &bufdesc, &buf, NULL);
+    ok(rc == DS_OK && buf != NULL, "IDirectSound_CreateSoundBuffer() failed "
+           "to create a buffer %08x\n", rc);
+
+    rc = IDirectSoundBuffer_QueryInterface(buf, &IID_IDirectSoundNotify, (void**)&notify);
+    ok(rc == E_NOINTERFACE, "QueryInterface(IID_IDirectSoundNotify): %08x\n", rc);
+
+    IDirectSoundBuffer_Release(buf);
+    IDirectSound_Release(dso);
+}
+
 static unsigned int number;

static BOOL WINAPI dsenum_callback(LPGUID lpGuid, LPCSTR lpcstrDescription,
@@ -1638,6 +1684,7 @@ static BOOL WINAPI dsenum_callback(LPGUID lpGuid, LPCSTR lpcstrDescription,
         test_duplicate(lpGuid);
         test_invalid_fmts(lpGuid);
         test_notifications(lpGuid);
+        test_notifications_interface(lpGuid);
     }

return TRUE;