amstream: Create a surface if it wasn't provided in CreateSample().

dlls/amstream/mediastream.c

@@ -364,6 +364,7 @@ static HRESULT WINAPI DirectDrawMediaStreamImpl_IDirectDrawMediaStream_GetDirect
         HRESULT hr = DirectDrawCreateEx(NULL, (void**)&This->ddraw, &IID_IDirectDraw7, NULL);
         if (FAILED(hr))
             return hr;
+        IDirectDraw7_SetCooperativeLevel(This->ddraw, NULL, DDSCL_NORMAL);
     }
 
     return IDirectDraw7_QueryInterface(This->ddraw, &IID_IDirectDraw, (void**)ddraw);
@@ -979,7 +980,39 @@ static HRESULT ddrawstreamsample_create(IDirectDrawMediaStream *parent, IDirectD
         IDirectDrawSurface_AddRef(surface);
     }
     else
-        FIXME("create ddraw surface\n");
+    {
+        DDSURFACEDESC desc;
+        IDirectDraw *ddraw;
+
+        hr = IDirectDrawMediaStream_GetDirectDraw(parent, &ddraw);
+        if (FAILED(hr))
+        {
+            IDirectDrawStreamSample_Release(&object->IDirectDrawStreamSample_iface);
+            return hr;
+        }
+
+        desc.dwSize = sizeof(desc);
+        desc.dwFlags = DDSD_CAPS|DDSD_HEIGHT|DDSD_WIDTH|DDSD_PIXELFORMAT;
+        desc.dwHeight = 100;
+        desc.dwWidth = 100;
+        desc.ddpfPixelFormat.dwSize = sizeof(desc.ddpfPixelFormat);
+        desc.ddpfPixelFormat.dwFlags = DDPF_RGB;
+        desc.ddpfPixelFormat.dwRGBBitCount = 32;
+        desc.ddpfPixelFormat.dwRBitMask = 0xff0000;
+        desc.ddpfPixelFormat.dwGBitMask = 0x00ff00;
+        desc.ddpfPixelFormat.dwBBitMask = 0x0000ff;
+        desc.ddpfPixelFormat.dwRGBAlphaBitMask = 0;
+        desc.ddsCaps.dwCaps = DDSCAPS_SYSTEMMEMORY|DDSCAPS_OFFSCREENPLAIN;
+
+        hr = IDirectDraw_CreateSurface(ddraw, &desc, &object->surface, NULL);
+        IDirectDraw_Release(ddraw);
+        if (FAILED(hr))
+        {
+            ERR("failed to create surface, 0x%08x\n", hr);
+            IDirectDrawStreamSample_Release(&object->IDirectDrawStreamSample_iface);
+            return hr;
+        }
+    }
 
     if (rect)
         object->rect = *rect;
@@ -995,7 +1028,7 @@ static HRESULT ddrawstreamsample_create(IDirectDrawMediaStream *parent, IDirectD
         }
     }
 
-    *ddraw_stream_sample = (IDirectDrawStreamSample*)&object->IDirectDrawStreamSample_iface;
+    *ddraw_stream_sample = &object->IDirectDrawStreamSample_iface;
 
     return S_OK;
 }

dlls/amstream/tests/amstream.c

@@ -452,11 +452,13 @@ static void test_media_streams(void)
 
 static void test_IDirectDrawStreamSample(void)
 {
+    DDSURFACEDESC desc = { sizeof(desc) };
     IAMMultiMediaStream *pams;
     HRESULT hr;
     IMediaStream *pvidstream = NULL;
     IDirectDrawMediaStream *pddstream = NULL;
     IDirectDrawStreamSample *pddsample = NULL;
+    IDirectDrawSurface7 *surface7;
     IDirectDrawSurface *surface, *surface2;
     IDirectDraw *ddraw, *ddraw2;
     IDirectDraw7 *ddraw7;
@@ -504,9 +506,18 @@ static void test_IDirectDrawStreamSample(void)
     surface = NULL;
     hr = IDirectDrawStreamSample_GetSurface(pddsample, &surface, &rect);
     ok(hr == S_OK, "got 0x%08x\n", hr);
-todo_wine
     ok(surface != NULL, "got %p\n", surface);
-if (surface)
+
+    hr = IDirectDrawSurface_QueryInterface(surface, &IID_IDirectDrawSurface7, (void**)&surface7);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    IDirectDrawSurface7_Release(surface7);
+
+    hr = IDirectDrawSurface_GetSurfaceDesc(surface, &desc);
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(desc.dwWidth == 100, "width %d\n", desc.dwWidth);
+    ok(desc.dwHeight == 100, "height %d\n", desc.dwHeight);
+    ok(desc.ddpfPixelFormat.dwFlags == DDPF_RGB, "format flags %08x\n", desc.ddpfPixelFormat.dwFlags);
+    ok(desc.ddpfPixelFormat.dwRGBBitCount, "dwRGBBitCount %d\n", desc.ddpfPixelFormat.dwRGBBitCount);
     IDirectDrawSurface_Release(surface);
     IDirectDrawStreamSample_Release(pddsample);