Wine Cross Reference
wine/dlls/amstream/mediastream.c

   /*
    * 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;
 }