Gijs Vermeulen : amstream: Create ddraw if no source object was specified in ddraw_IAMMediaStream_Initialize().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b2c74e0ccac6eb6a63d27b7e1527b20d5b387101
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=b2c74e0ccac6eb6a63d27b7e1...

Author: Gijs Vermeulen 
Date:   Thu Jun 25 20:57:00 2020 +0200

amstream: Create ddraw if no source object was specified in ddraw_IAMMediaStream_Initialize().

Signed-off-by: Gijs Vermeulen 
Signed-off-by: Zebediah Figura 
Signed-off-by: Alexandre Julliard

---

dlls/amstream/ddrawstream.c    | 14 +++++++++-----
 dlls/amstream/tests/amstream.c |  3 +--
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/dlls/amstream/ddrawstream.c b/dlls/amstream/ddrawstream.c
index 15bd3af0a9..56230ca4e6 100644
--- a/dlls/amstream/ddrawstream.c
+++ b/dlls/amstream/ddrawstream.c
@@ -218,6 +218,13 @@ static HRESULT WINAPI ddraw_IAMMediaStream_Initialize(IAMMediaStream *iface, IUn
             && FAILED(hr = IUnknown_QueryInterface(source_object, &IID_IDirectDraw, (void **)&stream->ddraw)))
         FIXME("Stream object doesn't implement IDirectDraw interface, hr %#x.\n", hr);

+    if (!source_object)
+    {
+        if (FAILED(hr = DirectDrawCreate(NULL, &stream->ddraw, NULL)))
+            return hr;
+        IDirectDraw_SetCooperativeLevel(stream->ddraw, NULL, DDSCL_NORMAL);
+    }
+
     return S_OK;
 }

@@ -381,13 +388,10 @@ static HRESULT WINAPI ddraw_IDirectDrawMediaStream_GetDirectDraw(IDirectDrawMedi
     if (!ddraw)
         return E_POINTER;

-    *ddraw = NULL;
     if (!stream->ddraw)
     {
-        HRESULT hr = DirectDrawCreate(NULL, &stream->ddraw, NULL);
-        if (FAILED(hr))
-            return hr;
-        IDirectDraw_SetCooperativeLevel(stream->ddraw, NULL, DDSCL_NORMAL);
+        *ddraw = NULL;
+        return S_OK;
     }

IDirectDraw_AddRef(stream->ddraw);
diff --git a/dlls/amstream/tests/amstream.c b/dlls/amstream/tests/amstream.c
index 5e5b9ac2f5..9a97b6be65 100644
--- a/dlls/amstream/tests/amstream.c
+++ b/dlls/amstream/tests/amstream.c
@@ -4803,8 +4803,7 @@ static void test_ddrawstream_getsetdirectdraw(void)

hr = IDirectDrawMediaStream_GetDirectDraw(ddraw_stream, &ddraw3);
     ok(hr == S_OK, "Got hr %#x.\n", hr);
-    todo_wine ok(ddraw3 == NULL, "Expected NULL, got %p.\n", ddraw3);
-    if (ddraw3) IDirectDraw_Release(ddraw3);
+    ok(ddraw3 == NULL, "Expected NULL, got %p.\n", ddraw3);

hr = IDirectDrawMediaStream_SetDirectDraw(ddraw_stream, ddraw2);
     ok(hr == S_OK, "Got hr %#x.\n", hr);