baseroot.cpp

linux下的一款播放器

            returnVal = zm_pColorAcc->ColorConvert(
                                         m_nCompositionSurfaceCID,
                                         pScratchBits,
                                         m_allocatedScratchSize.cx,
                                         m_allocatedScratchSize.cy,
                                         nScratchPitch, 0, 0,
                                         pBitmapInfo->biWidth,
                                         pBitmapInfo->biHeight,
                                         cidIn, pImageData,
                                         pBitmapInfo->biWidth,
                                         pBitmapInfo->biHeight, pitchIn,
                                         0, 0, pBitmapInfo->biWidth,
                                         pBitmapInfo->biHeight);

            ScratchUnlock(pScratchBits);

            // Instead of using the RGB color converter we will simply
            // use OS services to BLT to the surface at this point (since
            // it MAY be faster at blt-ing than we are. HOWEVER, it may
            // be faster by using pixel rep to stretch. This will cause
            // visually unsatisifing blts.  But then again ... DO NOT
            // BREAK WINDOWS. XXXAH we may want to use the color
            // converter here.
            if (returnVal != -1)
                _BltFromScratchToComposition(rDestRect, rSrcRect);
         }
         else if ((IsYUV(cidIn) &&
                   (m_nCompositionSurfaceCID == CID_RGB565 ||
                    m_nCompositionSurfaceCID == CID_RGB555) &&
                   (dxDst > 2*dxSrc  ||
                    dyDst > 2*dySrc))) // || bUseScratch)
         {
            HXxSize tempSize;
            tempSize.cx = dxSrc;
            tempSize.cy = dySrc;
            CreateScratchSurface(m_nCompositionSurfaceCID, &tempSize);

            UCHAR*  pScratchBits;
            INT32   nScratchPitch;
            ScratchLock(&pScratchBits, &nScratchPitch);

            // if somehow scratch surface creation failed
            if (!pScratchBits)
            {
               goto regularConvert;
            }

            returnVal = zm_pColorAcc->ColorConvert(
                                         m_nCompositionSurfaceCID,
                                         pScratchBits,
                                         m_allocatedScratchSize.cx,
                                         m_allocatedScratchSize.cy,
                                         nScratchPitch,
                                         rSrcRect.left, rSrcRect.top,
                                         dxSrc, dySrc,
                                         cidIn, pImageData,
                                         pBitmapInfo->biWidth,
                                         pBitmapInfo->biHeight,
                                         pitchIn,
                                         rSrcRect.left, rSrcRect.top,
                                         dxSrc, dySrc);

            ScratchUnlock(pScratchBits);

            if (returnVal != -1)
                _BltFromScratchToComposition(rDestRect, rSrcRect);
         }
         else
#endif /*_WORKAROUND_YUV_RGB_16BIT_HXCOLOR_BUG*/
         {
           regularConvert:
            int nCompPitch = m_nCompositionPitch;
            returnVal = zm_pColorAcc->ColorConvert(
                                          m_nCompositionSurfaceCID,
                                          m_pCompositionSurface,
                                          m_allocatedCompositionSize.cx,
                                          m_allocatedCompositionSize.cy,
                                          nCompPitch,
                                          rDestRect.left, rDestRect.top,
                                          dxDst, dyDst,
                                          cidIn,
                                          pImageData, pBitmapInfo->biWidth,
                                          pBitmapInfo->biHeight, pitchIn,
                                          rSrcRect.left, rSrcRect.top, dxSrc, dySrc);

            //XXXgfw this is weird. We only want to redraw the Dest
            //Rect right? The src is mostly always zero..
            if( !m_pSite->IsCompositionLocked() && returnVal != -1)
                _MinimalBlt(rSrcRect, rDestRect);
         }
      }
      if (!returnVal)
      {
         retVal = HXR_OK;
         ModifyBoundsRect(&rDestRect);
      }
   }
   else
   {
#ifndef _WINDOWS
      HX_ASSERT(!"Failed to get a color convertor!!!");
#endif
   }

   return retVal;
}

void CBaseRootSurface::_MinimalBlt(HXxRect&, HXxRect&)
{}

void CBaseRootSurface::DrawFocusRect(int nSurfaceCID,
                                     HXxSize *pSurfaceSize,
                                     UCHAR *pVidMem,
                                     CHXBaseSite* pSite)
{
    // Draw the focus for this site
    HXBitmapInfoHeader info;
    memset(&info, 0, sizeof(info));

#ifdef _WIN32
    BITMAPINFO bmiInfo;
    memset(&bmiInfo, 0, sizeof(bmiInfo));

    MakeBitmap(&bmiInfo, sizeof(info), nSurfaceCID,
            pSurfaceSize->cx, pSurfaceSize->cy, NULL, 0);

    info = *((HXBitmapInfoHeader*)&bmiInfo.bmiHeader);
#else
    HXBitmapInfo bmiInfo;
    memset(&bmiInfo, 0, sizeof(bmiInfo));

    MakeBitmap(&bmiInfo, sizeof(info), nSurfaceCID,
            pSurfaceSize->cx, pSurfaceSize->cy, NULL, 0);

    info = *((HXBitmapInfoHeader*)&bmiInfo.bmiHeader);
#endif

    HXxRect rc = {0,0,pSurfaceSize->cx, pSurfaceSize->cy};

    pSite->_DrawFocusRect(pVidMem,
                          &info,
                          &rc);
}

HX_RESULT CBaseRootSurface::Lock(UINT32 nID)
{
   m_pMutex->Lock();
   HX_RESULT retVal = HXR_FAIL;

   switch (m_nBLTMode)
   {
      case HX_WINDOWLESS_DEBUG:
         retVal = HXR_OK;
         break;
      case HX_WINDOWLESS_MINIMAL:
         retVal = MinimalLock();
         break;
   }

   if (HXR_OK != retVal)
   {
      m_pMutex->Unlock();
   }

   return retVal;
}

HX_RESULT CBaseRootSurface::Unlock(UINT32 nID, HXxWindow* pWindow, CHXBaseSite* pSite)
{
   HX_RESULT retVal = HXR_FAIL;
   m_pUnlockingSite = pSite;

   switch (m_nBLTMode)
   {
      case HX_WINDOWLESS_DEBUG:
         retVal = HXR_OK;
         break;
      case HX_WINDOWLESS_MINIMAL:
         retVal = MinimalUnlock(pWindow);
         break;
   }

   m_pUnlockingSite = NULL;

   m_pMutex->Unlock();
   return retVal;
}

HX_RESULT CBaseRootSurface::MinimalUnlock(HXxWindow* pWindow)
{
   // XXXAH yeah I know this sucks, but the call is ALL OS services.
    HX_RESULT retVal = HXR_OK;
    retVal = _MinimalUnlock(pWindow);
//     m_pCompositionSurface   = 0;
//     m_nCompositionPitch     = 0;
   return retVal;
}

HX_RESULT CBaseRootSurface::MinimalLock()
{
   HX_RESULT retVal = HXR_FAIL;
   HXxSize size;
   memcpy(&size, &m_pSite->m_size, sizeof(HXxSize)); /* Flawfinder: ignore */

    if (HXR_OK == SizeChanged())
    {
        if (HXR_OK == _LockComposition(&m_pCompositionSurface, &m_nCompositionPitch))
        {
            m_boundsRect.left   = 65536;
            m_boundsRect.top    = 65536;
            m_boundsRect.right  = 0;
            m_boundsRect.bottom = 0;
            retVal = HXR_OK;

            while(m_pBltRects.GetCount())
            {
                HXxRect* pRect = (HXxRect*) m_pBltRects.RemoveHead();
                HX_DELETE(pRect);
            }

            HX_ASSERT(m_pCompositionSurface);
        }
    }
    return retVal;
}

void CBaseRootSurface::ModifyBoundsRect(HXxRect* pRect)
{
    if (pRect->left < m_boundsRect.left)
    {
      m_boundsRect.left = pRect->left;
    }
    if (pRect->top < m_boundsRect.top)
    {
      m_boundsRect.top = pRect->top;
    }
    if (pRect->right > m_boundsRect.right)
    {
      m_boundsRect.right= pRect->right;
    }
    if (pRect->bottom > m_boundsRect.bottom)
    {
      m_boundsRect.bottom= pRect->bottom;
    }

    HXxRect* pTempRect = new HXxRect();
    *pTempRect = *pRect;
    m_pBltRects.AddHead(pTempRect);
}

HX_RESULT CBaseRootSurface::SizeChanged()
{
   m_pMutex->Lock();
   m_pCompMutex->Lock();
   HX_RESULT retVal = HXR_FAIL;
   HX_ASSERT(m_pSite);
   memcpy(&m_compositionSize, &m_pSite->m_size, sizeof(HXxSize)); /* Flawfinder: ignore */

   if (!m_bCompositionSurfaceCreated ||
       (m_compositionSize.cx > m_allocatedCompositionSize.cx ||
        m_compositionSize.cy > m_allocatedCompositionSize.cy)
       )
   {
      if(HXR_OK == _DestroyCompositionSurface())
      {
         if(HXR_OK == _CreateCompositionSurface())
         {
            retVal = HXR_OK;
         }
      }
   }
   else
   {
      retVal = HXR_OK;
   }

   m_pCompMutex->Unlock();
   m_pMutex->Unlock();
   return retVal;
}


void CBaseRootSurface::LockCompMutex()
{
    if( m_pCompMutex)
        m_pCompMutex->Lock();
}

void CBaseRootSurface::UnlockCompMutex()
{
    if(m_pCompMutex)
        m_pCompMutex->Unlock();
}

void CBaseRootSurface::DestroySurfaces()
{
    m_pCompMutex->Lock();
   _DestroyCompositionSurface();
   m_pCompMutex->Unlock();
}

void CBaseRootSurface::ReInitSurfaces()
{
    m_pCompMutex->Lock();
    if(HXR_OK == _DestroyCompositionSurface())
    {
        _CreateCompositionSurface();
    }
    m_pCompMutex->Unlock();
}

void CBaseRootSurface::FillBorders()
{
   _FillBorders();
}

void CBaseRootSurface::SetBltLock(BOOL bSet)
{
   //XXXgfw what does this do???? It just returns on windows????
}

BOOL CBaseRootSurface::IsCompositionEnabled()
{
   return m_bCompositionSurfaceCreated;
}


STDMETHODIMP CBaseRootSurface::BeginOptimizedBlt(HXBitmapInfoHeader* pBitmapInfo)
{
#ifdef _DEBUG
   fprintf( stderr, "CBaseRootSurface::BeginOptimizedBlt needs to be written...\n" );
#endif
   return HXR_NOTIMPL;
}

BOOL CBaseRootSurface::_OptimizedSurfaceOpened()
   {
       return TRUE;
   }

STDMETHODIMP CBaseRootSurface::OptimizedBlt( UCHAR* pImageBits,
                                             REF(HXxRect) rDestRect,
                                             REF(HXxRect) rSrcRect)
{
#ifdef _DEBUG
   fprintf( stderr, "CBaseRootSurface::OptimizedBlt needs to be written...\n" );
#endif
   return HXR_NOTIMPL;
}

STDMETHODIMP CBaseRootSurface::EndOptimizedBlt(void)
{
#ifdef _DEBUG
   fprintf( stderr, "CBaseRootSurface::EndOptimizedBlt needs to be written...\n" );
#endif
   return HXR_NOTIMPL;
}

STDMETHODIMP CBaseRootSurface::GetOptimizedFormat(REF(HX_COMPRESSION_TYPE) ulType)
{
#ifdef _DEBUG
   fprintf( stderr, "CBaseRootSurface::GetOptimizedFormat needs to be written...\n" );
#endif
   return HXR_NOTIMPL;
}

STDMETHODIMP CBaseRootSurface::GetPreferredFormat(REF(HX_COMPRESSION_TYPE) ulType)
{
#ifdef _DEBUG
   fprintf( stderr, "CBaseRootSurface::GetPreferredFormat needs to be written...\n" );
#endif
   return HXR_NOTIMPL;
}

void CBaseRootSurface::SetResolution( int x, int y, int depth, void* pWindow)
{
   HX_ASSERT( "Must override"==NULL );
}

void CBaseRootSurface::GetDisplayModes( CModesDesc* pModesDesc, INT32* nNumModes )
{
   HX_ASSERT( "Must override"==NULL );
}

BOOL CBaseRootSurface::_RectOnNthMonitor(HXxRect rect, UINT32 uMonitor, HXxRect& intersectRect)
{
    // until multiple monitor support exists, simply return the original rect.
    // Override, if appropriate, in the platform-specific code.
    intersectRect = rect;
    return TRUE;
}

BOOL CBaseRootSurface::_IsHardwareAccelerationAvail()
{
    return FALSE;
}

BOOL CBaseRootSurface::_AcquireHardwareAcceleration()
{
    return FALSE;
}

BOOL CBaseRootSurface::_LoseHardwareAcceleration()
{
    return FALSE;
}

BOOL CBaseRootSurface::_EnableHardwareAcceleration()
{
    return FALSE;
}

BOOL CBaseRootSurface::_DisableHardwareAcceleration()
{
    return FALSE;
}

#ifdef _WINDOWS
IHXPlayer* CBaseRootSurface::GetPlayer()
{
   if (!m_pPlayer)
   {
       IHXClientEngineMapper* pCleng = NULL;

       m_pContext->QueryInterface(IID_IHXClientEngineMapper, (void**)&pCleng);
       if (pCleng)
       {
            IUnknown* pUnknown = NULL;
	    if (HXR_OK != pCleng->GetPlayerBySite(m_pSite, pUnknown))
            {
                // check our children
                CHXMapPtrToPtr::Iterator i = m_pSite->m_ChildrenMap.Begin();
                for ( ; i != m_pSite->m_ChildrenMap.End(); ++i)
                {
                    CHXBaseSite* pSite = (CHXBaseSite*) *i;
	            if (HXR_OK == pCleng->GetPlayerBySite(pSite, pUnknown))
                        break;
                }
            }
            if (pUnknown)
            {
	        pUnknown->QueryInterface(IID_IHXPlayer, (void**)&m_pPlayer);
	        HX_RELEASE(pUnknown);
            }
       }
   }

   return m_pPlayer;
}
#endif