[PATCH 1/4] amstream: rename mediastream to ddrawmediastream. (resend)
Christian Costa
titan.costa at gmail.com
Thu Apr 5 01:31:08 CDT 2012
---
dlls/amstream/Makefile.in | 2
dlls/amstream/amstream.c | 6 +
dlls/amstream/amstream_private.h | 2
dlls/amstream/ddrawmediastream.c | 256 ++++++++++++++++++++++++++++++++++++++
dlls/amstream/mediastream.c | 251 -------------------------------------
5 files changed, 263 insertions(+), 254 deletions(-)
create mode 100644 dlls/amstream/ddrawmediastream.c
delete mode 100644 dlls/amstream/mediastream.c
diff --git a/dlls/amstream/Makefile.in b/dlls/amstream/Makefile.in
index 35cfae1..047bb73 100644
--- a/dlls/amstream/Makefile.in
+++ b/dlls/amstream/Makefile.in
@@ -4,8 +4,8 @@ IMPORTS = strmiids strmbase uuid ole32 advapi32
C_SRCS = \
amstream.c \
audiodata.c \
+ ddrawmediastream.c \
main.c \
- mediastream.c \
mediastreamfilter.c
IDL_R_SRCS = amstream_classes.idl
diff --git a/dlls/amstream/amstream.c b/dlls/amstream/amstream.c
index 150f412..af9cb86 100644
--- a/dlls/amstream/amstream.c
+++ b/dlls/amstream/amstream.c
@@ -368,7 +368,11 @@ static HRESULT WINAPI IAMMultiMediaStreamImpl_AddMediaStream(IAMMultiMediaStream
}
}
- hr = mediastream_create((IMultiMediaStream*)iface, PurposeId, This->StreamType, &pStream);
+ if (IsEqualGUID(PurposeId, &MSPID_PrimaryVideo))
+ hr = ddrawmediastream_create((IMultiMediaStream*)iface, PurposeId, This->StreamType, &pStream);
+ else
+ /* FIXME: should call audiomediastream_create instead */
+ hr = ddrawmediastream_create((IMultiMediaStream*)iface, PurposeId, This->StreamType, &pStream);
if (SUCCEEDED(hr))
{
pNewStreams = CoTaskMemRealloc(This->pStreams, (This->nbStreams+1) * sizeof(IMediaStream*));
diff --git a/dlls/amstream/amstream_private.h b/dlls/amstream/amstream_private.h
index e40c409..d81b915 100644
--- a/dlls/amstream/amstream_private.h
+++ b/dlls/amstream/amstream_private.h
@@ -35,7 +35,7 @@
HRESULT AM_create(IUnknown *pUnkOuter, LPVOID *ppObj) DECLSPEC_HIDDEN;
HRESULT AMAudioData_create(IUnknown *pUnkOuter, LPVOID *ppObj) DECLSPEC_HIDDEN;
HRESULT MediaStreamFilter_create(IUnknown *pUnkOuter, LPVOID *ppObj) DECLSPEC_HIDDEN;
-HRESULT mediastream_create(IMultiMediaStream *Parent, const MSPID *pPurposeId,
+HRESULT ddrawmediastream_create(IMultiMediaStream *Parent, const MSPID *pPurposeId,
STREAM_TYPE StreamType, IMediaStream **ppMediaStream) DECLSPEC_HIDDEN;
#endif /* __AMSTREAM_PRIVATE_INCLUDED__ */
diff --git a/dlls/amstream/ddrawmediastream.c b/dlls/amstream/ddrawmediastream.c
new file mode 100644
index 0000000..59f3752
--- /dev/null
+++ b/dlls/amstream/ddrawmediastream.c
@@ -0,0 +1,256 @@
+/*
+ * Implementation of IDirectDrawMediaStream Interface
+ *
+ * Copyright 2005, 2008 Christian Costa
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include "wine/debug.h"
+
+#define COBJMACROS
+
+#include "winbase.h"
+#include "wingdi.h"
+
+#include "amstream_private.h"
+#include "amstream.h"
+
+#include "ddstream.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(amstream);
+
+typedef struct {
+ IDirectDrawMediaStream IDirectDrawMediaStream_iface;
+ LONG ref;
+ IMultiMediaStream* Parent;
+ MSPID PurposeId;
+ STREAM_TYPE StreamType;
+} IDirectDrawMediaStreamImpl;
+
+static inline IDirectDrawMediaStreamImpl *impl_from_IDirectDrawMediaStream(IDirectDrawMediaStream *iface)
+{
+ return CONTAINING_RECORD(iface, IDirectDrawMediaStreamImpl, IDirectDrawMediaStream_iface);
+}
+
+/*** IUnknown methods ***/
+static HRESULT WINAPI IDirectDrawMediaStreamImpl_QueryInterface(IDirectDrawMediaStream *iface,
+ REFIID riid, void **ppv)
+{
+ IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
+
+ TRACE("(%p/%p)->(%s,%p)\n", iface, This, debugstr_guid(riid), ppv);
+
+ if (IsEqualGUID(riid, &IID_IUnknown) ||
+ IsEqualGUID(riid, &IID_IMediaStream) ||
+ IsEqualGUID(riid, &IID_IDirectDrawMediaStream))
+ {
+ IUnknown_AddRef(iface);
+ *ppv = This;
+ return S_OK;
+ }
+
+ ERR("(%p)->(%s,%p),not found\n", This, debugstr_guid(riid), ppv);
+ return E_NOINTERFACE;
+}
+
+static ULONG WINAPI IDirectDrawMediaStreamImpl_AddRef(IDirectDrawMediaStream *iface)
+{
+ IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
+
+ TRACE("(%p/%p)\n", iface, This);
+
+ return InterlockedIncrement(&This->ref);
+}
+
+static ULONG WINAPI IDirectDrawMediaStreamImpl_Release(IDirectDrawMediaStream *iface)
+{
+ IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
+ ULONG ref = InterlockedDecrement(&This->ref);
+
+ TRACE("(%p/%p)\n", iface, This);
+
+ if (!ref)
+ HeapFree(GetProcessHeap(), 0, This);
+
+ return ref;
+}
+
+/*** IMediaStream methods ***/
+static HRESULT WINAPI IDirectDrawMediaStreamImpl_GetMultiMediaStream(IDirectDrawMediaStream *iface,
+ IMultiMediaStream** ppMultiMediaStream)
+{
+ IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
+
+ FIXME("(%p/%p)->(%p) stub!\n", This, iface, ppMultiMediaStream);
+
+ return S_FALSE;
+}
+
+static HRESULT WINAPI IDirectDrawMediaStreamImpl_GetInformation(IDirectDrawMediaStream *iface,
+ MSPID *pPurposeId, STREAM_TYPE *pType)
+{
+ IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
+
+ TRACE("(%p/%p)->(%p,%p)\n", This, iface, pPurposeId, pType);
+
+ if (pPurposeId)
+ *pPurposeId = This->PurposeId;
+ if (pType)
+ *pType = This->StreamType;
+
+ return S_OK;
+}
+
+static HRESULT WINAPI IDirectDrawMediaStreamImpl_SetSameFormat(IDirectDrawMediaStream *iface,
+ IMediaStream *pStreamThatHasDesiredFormat, DWORD dwFlags)
+{
+ IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
+
+ FIXME("(%p/%p)->(%p,%x) stub!\n", This, iface, pStreamThatHasDesiredFormat, dwFlags);
+
+ return S_FALSE;
+}
+
+static HRESULT WINAPI IDirectDrawMediaStreamImpl_AllocateSample(IDirectDrawMediaStream *iface,
+ DWORD dwFlags, IStreamSample **ppSample)
+{
+ IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
+
+ FIXME("(%p/%p)->(%x,%p) stub!\n", This, iface, dwFlags, ppSample);
+
+ return S_FALSE;
+}
+
+static HRESULT WINAPI IDirectDrawMediaStreamImpl_CreateSharedSample(IDirectDrawMediaStream *iface,
+ IStreamSample *pExistingSample, DWORD dwFlags, IStreamSample **ppSample)
+{
+ IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
+
+ FIXME("(%p/%p)->(%p,%x,%p) stub!\n", This, iface, pExistingSample, dwFlags, ppSample);
+
+ return S_FALSE;
+}
+
+static HRESULT WINAPI IDirectDrawMediaStreamImpl_SendEndOfStream(IDirectDrawMediaStream *iface,
+ DWORD dwFlags)
+{
+ IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
+
+ FIXME("(%p/%p)->(%x) stub!\n", This, iface, dwFlags);
+
+ return S_FALSE;
+}
+
+/*** IDirectDrawMediaStream methods ***/
+static HRESULT WINAPI IDirectDrawMediaStreamImpl_GetFormat(IDirectDrawMediaStream *iface,
+ DDSURFACEDESC *pDDSDCurrent, IDirectDrawPalette **ppDirectDrawPalette,
+ DDSURFACEDESC *pDDSDDesired, DWORD *pdwFlags)
+{
+ FIXME("(%p)->(%p,%p,%p,%p) stub!\n", iface, pDDSDCurrent, ppDirectDrawPalette, pDDSDDesired,
+ pdwFlags);
+
+ return E_NOTIMPL;
+
+}
+
+static HRESULT WINAPI IDirectDrawMediaStreamImpl_SetFormat(IDirectDrawMediaStream *iface,
+ const DDSURFACEDESC *pDDSurfaceDesc, IDirectDrawPalette *pDirectDrawPalette)
+{
+ FIXME("(%p)->(%p,%p) stub!\n", iface, pDDSurfaceDesc, pDirectDrawPalette);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI IDirectDrawMediaStreamImpl_GetDirectDraw(IDirectDrawMediaStream *iface,
+ IDirectDraw **ppDirectDraw)
+{
+ FIXME("(%p)->(%p) stub!\n", iface, ppDirectDraw);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI IDirectDrawMediaStreamImpl_SetDirectDraw(IDirectDrawMediaStream *iface,
+ IDirectDraw *pDirectDraw)
+{
+ FIXME("(%p)->(%p) stub!\n", iface, pDirectDraw);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI IDirectDrawMediaStreamImpl_CreateSample(IDirectDrawMediaStream *iface,
+ IDirectDrawSurface *pSurface, const RECT *pRect, DWORD dwFlags,
+ IDirectDrawStreamSample **ppSample)
+{
+ FIXME("(%p)->(%p,%p,%x,%p) stub!\n", iface, pSurface, pRect, dwFlags, ppSample);
+
+ return E_NOTIMPL;
+}
+
+static HRESULT WINAPI IDirectDrawMediaStreamImpl_GetTimePerFrame(IDirectDrawMediaStream *iface,
+ STREAM_TIME *pFrameTime)
+{
+ FIXME("(%p)->(%p) stub!\n", iface, pFrameTime);
+
+ return E_NOTIMPL;
+}
+
+static const struct IDirectDrawMediaStreamVtbl DirectDrawMediaStream_Vtbl =
+{
+ /*** IUnknown methods ***/
+ IDirectDrawMediaStreamImpl_QueryInterface,
+ IDirectDrawMediaStreamImpl_AddRef,
+ IDirectDrawMediaStreamImpl_Release,
+ /*** IMediaStream methods ***/
+ IDirectDrawMediaStreamImpl_GetMultiMediaStream,
+ IDirectDrawMediaStreamImpl_GetInformation,
+ IDirectDrawMediaStreamImpl_SetSameFormat,
+ IDirectDrawMediaStreamImpl_AllocateSample,
+ IDirectDrawMediaStreamImpl_CreateSharedSample,
+ IDirectDrawMediaStreamImpl_SendEndOfStream,
+ /*** IDirectDrawMediaStream methods ***/
+ IDirectDrawMediaStreamImpl_GetFormat,
+ IDirectDrawMediaStreamImpl_SetFormat,
+ IDirectDrawMediaStreamImpl_GetDirectDraw,
+ IDirectDrawMediaStreamImpl_SetDirectDraw,
+ IDirectDrawMediaStreamImpl_CreateSample,
+ IDirectDrawMediaStreamImpl_GetTimePerFrame
+};
+
+HRESULT ddrawmediastream_create(IMultiMediaStream *Parent, const MSPID *pPurposeId,
+ STREAM_TYPE StreamType, IMediaStream **ppMediaStream)
+{
+ IDirectDrawMediaStreamImpl *object;
+
+ TRACE("(%p,%s,%p)\n", Parent, debugstr_guid(pPurposeId), ppMediaStream);
+
+ object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectDrawMediaStreamImpl));
+ if (!object)
+ {
+ ERR("Out of memory\n");
+ return E_OUTOFMEMORY;
+ }
+
+ object->IDirectDrawMediaStream_iface.lpVtbl = &DirectDrawMediaStream_Vtbl;
+ object->ref = 1;
+
+ object->Parent = Parent;
+ object->PurposeId = *pPurposeId;
+ object->StreamType = StreamType;
+
+ *ppMediaStream = (IMediaStream*)&object->IDirectDrawMediaStream_iface;
+
+ return S_OK;
+}
diff --git a/dlls/amstream/mediastream.c b/dlls/amstream/mediastream.c
deleted file mode 100644
index 12d3542..0000000
--- a/dlls/amstream/mediastream.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * Implementation of IMediaStream Interface
- *
- * Copyright 2005, 2008 Christian Costa
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
- */
-
-#include "wine/debug.h"
-
-#define COBJMACROS
-
-#include "winbase.h"
-#include "wingdi.h"
-
-#include "amstream_private.h"
-#include "amstream.h"
-
-#include "ddstream.h"
-
-WINE_DEFAULT_DEBUG_CHANNEL(amstream);
-
-typedef struct {
- IDirectDrawMediaStream IDirectDrawMediaStream_iface;
- LONG ref;
- IMultiMediaStream* Parent;
- MSPID PurposeId;
- STREAM_TYPE StreamType;
-} IDirectDrawMediaStreamImpl;
-
-static inline IDirectDrawMediaStreamImpl *impl_from_IDirectDrawMediaStream(IDirectDrawMediaStream *iface)
-{
- return CONTAINING_RECORD(iface, IDirectDrawMediaStreamImpl, IDirectDrawMediaStream_iface);
-}
-
-static HRESULT WINAPI IDirectDrawMediaStreamImpl_QueryInterface(IDirectDrawMediaStream *iface,
- REFIID riid, void **ppv)
-{
- IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
-
- TRACE("(%p/%p)->(%s,%p)\n", iface, This, debugstr_guid(riid), ppv);
-
- if (IsEqualGUID(riid, &IID_IUnknown) ||
- IsEqualGUID(riid, &IID_IMediaStream) ||
- IsEqualGUID(riid, &IID_IDirectDrawMediaStream))
- {
- IUnknown_AddRef(iface);
- *ppv = This;
- return S_OK;
- }
-
- ERR("(%p)->(%s,%p),not found\n", This, debugstr_guid(riid), ppv);
- return E_NOINTERFACE;
-}
-
-static ULONG WINAPI IDirectDrawMediaStreamImpl_AddRef(IDirectDrawMediaStream *iface)
-{
- IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
-
- TRACE("(%p/%p)\n", iface, This);
-
- return InterlockedIncrement(&This->ref);
-}
-
-static ULONG WINAPI IDirectDrawMediaStreamImpl_Release(IDirectDrawMediaStream *iface)
-{
- IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
- ULONG ref = InterlockedDecrement(&This->ref);
-
- TRACE("(%p/%p)\n", iface, This);
-
- if (!ref)
- HeapFree(GetProcessHeap(), 0, This);
-
- return ref;
-}
-
-/*** IMediaStream methods ***/
-static HRESULT WINAPI IDirectDrawMediaStreamImpl_GetMultiMediaStream(IDirectDrawMediaStream *iface,
- IMultiMediaStream** ppMultiMediaStream)
-{
- IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
-
- FIXME("(%p/%p)->(%p) stub!\n", This, iface, ppMultiMediaStream);
-
- return S_FALSE;
-}
-
-static HRESULT WINAPI IDirectDrawMediaStreamImpl_GetInformation(IDirectDrawMediaStream *iface,
- MSPID *pPurposeId, STREAM_TYPE *pType)
-{
- IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
-
- TRACE("(%p/%p)->(%p,%p)\n", This, iface, pPurposeId, pType);
-
- if (pPurposeId)
- *pPurposeId = This->PurposeId;
- if (pType)
- *pType = This->StreamType;
-
- return S_OK;
-}
-
-static HRESULT WINAPI IDirectDrawMediaStreamImpl_SetSameFormat(IDirectDrawMediaStream *iface,
- IMediaStream *pStreamThatHasDesiredFormat, DWORD dwFlags)
-{
- IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
-
- FIXME("(%p/%p)->(%p,%x) stub!\n", This, iface, pStreamThatHasDesiredFormat, dwFlags);
-
- return S_FALSE;
-}
-
-static HRESULT WINAPI IDirectDrawMediaStreamImpl_AllocateSample(IDirectDrawMediaStream *iface,
- DWORD dwFlags, IStreamSample **ppSample)
-{
- IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
-
- FIXME("(%p/%p)->(%x,%p) stub!\n", This, iface, dwFlags, ppSample);
-
- return S_FALSE;
-}
-
-static HRESULT WINAPI IDirectDrawMediaStreamImpl_CreateSharedSample(IDirectDrawMediaStream *iface,
- IStreamSample *pExistingSample, DWORD dwFlags, IStreamSample **ppSample)
-{
- IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
-
- FIXME("(%p/%p)->(%p,%x,%p) stub!\n", This, iface, pExistingSample, dwFlags, ppSample);
-
- return S_FALSE;
-}
-
-static HRESULT WINAPI IDirectDrawMediaStreamImpl_SendEndOfStream(IDirectDrawMediaStream *iface,
- DWORD dwFlags)
-{
- IDirectDrawMediaStreamImpl *This = impl_from_IDirectDrawMediaStream(iface);
-
- FIXME("(%p/%p)->(%x) stub!\n", This, iface, dwFlags);
-
- return S_FALSE;
-}
-
-static HRESULT WINAPI IDirectDrawMediaStreamImpl_GetFormat(IDirectDrawMediaStream *iface,
- DDSURFACEDESC *pDDSDCurrent, IDirectDrawPalette **ppDirectDrawPalette,
- DDSURFACEDESC *pDDSDDesired, DWORD *pdwFlags)
-{
- FIXME("(%p)->(%p,%p,%p,%p) stub!\n", iface, pDDSDCurrent, ppDirectDrawPalette, pDDSDDesired,
- pdwFlags);
-
- return E_NOTIMPL;
-
-}
-
-static HRESULT WINAPI IDirectDrawMediaStreamImpl_SetFormat(IDirectDrawMediaStream *iface,
- const DDSURFACEDESC *pDDSurfaceDesc, IDirectDrawPalette *pDirectDrawPalette)
-{
- FIXME("(%p)->(%p,%p) stub!\n", iface, pDDSurfaceDesc, pDirectDrawPalette);
-
- return E_NOTIMPL;
-}
-
-static HRESULT WINAPI IDirectDrawMediaStreamImpl_GetDirectDraw(IDirectDrawMediaStream *iface,
- IDirectDraw **ppDirectDraw)
-{
- FIXME("(%p)->(%p) stub!\n", iface, ppDirectDraw);
-
- return E_NOTIMPL;
-}
-
-static HRESULT WINAPI IDirectDrawMediaStreamImpl_SetDirectDraw(IDirectDrawMediaStream *iface,
- IDirectDraw *pDirectDraw)
-{
- FIXME("(%p)->(%p) stub!\n", iface, pDirectDraw);
-
- return E_NOTIMPL;
-}
-
-static HRESULT WINAPI IDirectDrawMediaStreamImpl_CreateSample(IDirectDrawMediaStream *iface,
- IDirectDrawSurface *pSurface, const RECT *pRect, DWORD dwFlags,
- IDirectDrawStreamSample **ppSample)
-{
- FIXME("(%p)->(%p,%p,%x,%p) stub!\n", iface, pSurface, pRect, dwFlags, ppSample);
-
- return E_NOTIMPL;
-}
-
-static HRESULT WINAPI IDirectDrawMediaStreamImpl_GetTimePerFrame(IDirectDrawMediaStream *iface,
- STREAM_TIME *pFrameTime)
-{
- FIXME("(%p)->(%p) stub!\n", iface, pFrameTime);
-
- return E_NOTIMPL;
-}
-
-static const struct IDirectDrawMediaStreamVtbl DirectDrawMediaStream_Vtbl =
-{
- IDirectDrawMediaStreamImpl_QueryInterface,
- IDirectDrawMediaStreamImpl_AddRef,
- IDirectDrawMediaStreamImpl_Release,
- IDirectDrawMediaStreamImpl_GetMultiMediaStream,
- IDirectDrawMediaStreamImpl_GetInformation,
- IDirectDrawMediaStreamImpl_SetSameFormat,
- IDirectDrawMediaStreamImpl_AllocateSample,
- IDirectDrawMediaStreamImpl_CreateSharedSample,
- IDirectDrawMediaStreamImpl_SendEndOfStream,
- IDirectDrawMediaStreamImpl_GetFormat,
- IDirectDrawMediaStreamImpl_SetFormat,
- IDirectDrawMediaStreamImpl_GetDirectDraw,
- IDirectDrawMediaStreamImpl_SetDirectDraw,
- IDirectDrawMediaStreamImpl_CreateSample,
- IDirectDrawMediaStreamImpl_GetTimePerFrame
-};
-
-HRESULT mediastream_create(IMultiMediaStream *Parent, const MSPID *pPurposeId,
- STREAM_TYPE StreamType, IMediaStream **ppMediaStream)
-{
- IDirectDrawMediaStreamImpl *object;
-
- TRACE("(%p,%s,%p)\n", Parent, debugstr_guid(pPurposeId), ppMediaStream);
-
- object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectDrawMediaStreamImpl));
- if (!object)
- {
- ERR("Out of memory\n");
- return E_OUTOFMEMORY;
- }
-
- object->IDirectDrawMediaStream_iface.lpVtbl = &DirectDrawMediaStream_Vtbl;
- object->ref = 1;
-
- object->Parent = Parent;
- object->PurposeId = *pPurposeId;
- object->StreamType = StreamType;
-
- *ppMediaStream = (IMediaStream*)&object->IDirectDrawMediaStream_iface;
-
- return S_OK;
-}
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