amstream: Add checks to GetFormat.

dlls/amstream/mediastream.c

@@ -159,13 +159,13 @@ static HRESULT WINAPI IDirectDrawMediaStreamImpl_SendEndOfStream(IDirectDrawMedi
 
 /*** IDirectDrawMediaStream methods ***/
 static HRESULT WINAPI IDirectDrawMediaStreamImpl_GetFormat(IDirectDrawMediaStream *iface,
-        DDSURFACEDESC *pDDSDCurrent, IDirectDrawPalette **ppDirectDrawPalette,
-        DDSURFACEDESC *pDDSDDesired, DWORD *pdwFlags)
+        DDSURFACEDESC *current_format, IDirectDrawPalette **palette,
+        DDSURFACEDESC *desired_format, DWORD *flags)
 {
-    FIXME("(%p)->(%p,%p,%p,%p) stub!\n", iface, pDDSDCurrent, ppDirectDrawPalette, pDDSDDesired,
-            pdwFlags);
+    FIXME("(%p)->(%p,%p,%p,%p) stub!\n", iface, current_format, palette, desired_format,
+            flags);
 
-    return E_NOTIMPL;
+    return MS_E_NOSTREAM;
 
 }
 
@@ -390,7 +390,10 @@ static HRESULT WINAPI IAudioMediaStreamImpl_GetFormat(IAudioMediaStream *iface,
 
     FIXME("(%p/%p)->(%p) stub!\n", iface, This, wave_format_current);
 
-    return E_NOTIMPL;
+    if (!wave_format_current)
+        return E_POINTER;
+
+    return MS_E_NOSTREAM;
 
 }
 

dlls/amstream/tests/amstream.c

@@ -248,6 +248,13 @@ static void test_media_streams(void)
 
         if (SUCCEEDED(hr))
         {
+            DDSURFACEDESC current_format, desired_format;
+            IDirectDrawPalette *palette;
+            DWORD flags;
+
+            hr = IDirectDrawMediaStream_GetFormat(ddraw_stream, &current_format, &palette, &desired_format, &flags);
+            ok(hr == MS_E_NOSTREAM, "IDirectDrawoMediaStream_GetFormat returned: %x\n", hr);
+
             hr = IDirectDrawMediaStream_CreateSample(ddraw_stream, NULL, NULL, 0, &ddraw_sample);
             ok(hr == S_OK, "IDirectDrawMediaStream_CreateSample returned: %x\n", hr);
         }
@@ -333,9 +340,16 @@ static void test_media_streams(void)
         if (SUCCEEDED(hr))
         {
             IAudioData* audio_data = NULL;
+            WAVEFORMATEX format;
+
             hr = CoCreateInstance(&CLSID_AMAudioData, NULL, CLSCTX_INPROC_SERVER, &IID_IAudioData, (void **)&audio_data);
             ok(hr == S_OK, "CoCreateInstance returned: %x\n", hr);
 
+            hr = IAudioMediaStream_GetFormat(audio_media_stream, NULL);
+            ok(hr == E_POINTER, "IAudioMediaStream_GetFormat returned: %x\n", hr);
+            hr = IAudioMediaStream_GetFormat(audio_media_stream, &format);
+            ok(hr == MS_E_NOSTREAM, "IAudioMediaStream_GetFormat returned: %x\n", hr);
+
             hr = IAudioMediaStream_CreateSample(audio_media_stream, NULL, 0, &audio_sample);
             ok(hr == E_POINTER, "IAudioMediaStream_CreateSample returned: %x\n", hr);
             hr = IAudioMediaStream_CreateSample(audio_media_stream, audio_data, 0, &audio_sample);