winsurf2.cpp

linux下的一款播放器

        {
            if (HandleDirectDrawLoss(bLockTLSMutex))
            {
                if (bLockTLSMutex)
                    bLockTLSMutex = FALSE;

                goto LOCK_VIDEO_BUFFER;
            }
            else
            {
                // Turn off overlay
                m_bMultipleOverlay = TRUE;

                if (bLockTLSMutex)
                    m_pSite->_TLSUnlock();

                goto LOCK_VIDEO_BUFFER;
            }
        }
    }

    if (HXR_OK == hr)
    {
        // TLS mutex should be locked here...
        HX_ASSERT(bLockTLSMutex);

        // Since RGB formats are not supported in MapFourCCtoCID,
        // store the CID in biCompression.
        if (!IsYUV(MapFourCCtoCID(m_bmi.biCompression)))
        {
            bmi->biCompression = GetBitmapColor((LPBITMAPINFO)&m_bmi);
        }

        // Do we need an alpha blending region
        if (m_bDoAlphaCheck && !m_pHwMemObj)
        {
            CreateAlphaList(pVidStruct);
        }

        pVidStruct->pVidMem = pVidMem;
        pVidStruct->lPitch = nPitch;
    }
    else
    {
        // Did not lock a surface
        ReleaseMutex(m_hSurfaceMutex);
        hr = HXR_FAIL;

        if (bLockTLSMutex)
        {
            m_pSite->_TLSUnlock();
        }
    }

    return hr;
}

STDMETHODIMP CWinSurface2::ColorConvert(INT32  fourCCIn,
                                       HXxSize *pSrcSize,
                                       HXxRect *prSrcRect,
                                       SourceInputStruct *pInput,
                                       INT32   fourCCOut,
                                       UCHAR   *pDestBuffer,
                                       HXxSize *pDestSize,
                                       HXxRect *prDestRect,
                                       int     nDestPitch)
{
    // If the dest surface is a normal buffer, perform the transfer
    if (!IsStructured(MapFourCCtoCID(fourCCOut)))
        return CVideoSurface2::ColorConvert(fourCCIn, pSrcSize, prSrcRect,
                                            pInput, fourCCOut, pDestBuffer,
                                            pDestSize, prDestRect, nDestPitch);

    // Handle this proprietary surface write
    HX_ASSERT(m_pHwMemObj);
    m_pHwMemObj->ProcessCommand((UCHAR*)pInput,
                                fourCCIn,
                                pSrcSize,
                                prSrcRect,
                                pDestBuffer,
                                fourCCOut,
                                pDestSize,
                                prDestRect);

    // Need to set pItem->bAlpha if we blended the frame!!!
    if (m_pHwMemObj->QueryOperation() & PERFORMED_HW_ALPHA_BLEND)
    {
        m_bFrameHasHWAlphaBlend = TRUE;
    }

    if (m_bUseDDColorControls)
    {
        m_pSite->CheckColorSettings();

        // Did color controls change
        float fBright = m_pSite->GetBrightness();
        float fContrast = m_pSite->GetContrast();
        float fSaturation = m_pSite->GetSaturation();
        float fHue = m_pSite->GetHue();
        float fSharpness = m_pSite->GetSharpness();

        if (m_Brightness != fBright ||
            m_Contrast != fContrast ||
            m_Saturation != fSaturation ||
            m_Hue != fHue ||
            m_Sharpness != fSharpness)
        {
            CWinBaseRootSurface* pSurface = (CWinBaseRootSurface*)m_pSite->GetRootSurface();
            WINDRAW* pWindraw = pSurface->GetWinDraw();

            // Change DD color controls
            WinDrawSurface_SetColorControls(pWindraw,
                                            &m_surface,
                                            fBright,
                                            fContrast,
                                            fSaturation,
                                            fHue,
                                            fSharpness);
            m_Brightness = fBright;
            m_Contrast = fContrast;
            m_Saturation = fSaturation;
            m_Hue = fHue;
            m_Sharpness = fSharpness;
        }
    }

    return HXR_OK;
}


BOOL CWinSurface2::CanLockSurface(INT32 nIndex, int nBltMode, BOOL bBlock)
{
    UCHAR* pVidMem;
    HRESULT hr = HXR_FAIL;

    if (m_bUseSysMemSurface)
    {
        if (m_pSysMemSurf)
        {
            if (bBlock)
            {
                HANDLE  aWait[2] = {m_pSysMemSurf[m_nNextSysMemBuffer].hEmpty, m_hAbort};
                hr = WaitForMultipleObjects(2, aWait, FALSE, INFINITE);
            }
            else
                hr = WaitForSingleObject(m_pSysMemSurf[m_nNextSysMemBuffer].hEmpty, 0);

            if (WAIT_OBJECT_0 == hr)
                hr = HXR_OK;
        }
        else
            hr = HXR_OK;
    }
    // If DD is not avail, use rgb blts
    else if (HX_BASIC_BLT == nBltMode)
    {
        if (m_bGdiSurfaceCreated)
        {
            if (bBlock)
            {
                HANDLE  aWait[2] = {m_GDIsurface.gdi.lpGDIBackBuffer[m_nNextGdiSurface]->hEmpty, m_hAbort};
                hr = WaitForMultipleObjects(2, aWait, FALSE, INFINITE);
            }
            else
                hr = WaitForSingleObject(m_GDIsurface.gdi.lpGDIBackBuffer[m_nNextGdiSurface]->hEmpty, 0);

            if (WAIT_OBJECT_0 == hr)
                hr = HXR_OK;
        }
        else
            hr = HXR_OK;
    }
    else if (HX_BLT_YUV_STRETCH == nBltMode)
    {
        if (bBlock)
        {
            HANDLE  aObjects[2] = {m_hFallbackEmpty, m_hAbort};
            hr = WaitForMultipleObjects(2, aObjects, FALSE, INFINITE);
        }
        else
            hr = WaitForSingleObject(m_hFallbackEmpty, 0);

        if (WAIT_OBJECT_0 == hr)
            hr = HXR_OK;
    }
    else
    {
        CWinBaseRootSurface* pSurface = (CWinBaseRootSurface*)m_pSite->GetRootSurface();
        WINDRAW* pWindraw = pSurface->GetWinDraw();

        int nNextIndex = nIndex;
        hr = WinDraw_CanLockSurface(pWindraw, &m_surface, pVidMem, nNextIndex, bBlock);
    }

    if (hr == HXR_OK)
        return TRUE;
    else
        return FALSE;
}

STDMETHODIMP CWinSurface2::ReleaseVideoMem(VideoMemStruct* pVidStruct)
{
    return ReleaseSurface(pVidStruct, TRUE);
}


STDMETHODIMP CWinSurface2::Present(VideoMemStruct *pVidStruct,
                                   INT32 lTime,
                                   UINT32 ulFlags,
                                   HXxRect *prDestRect,
                                   HXxRect *prSrcRect)
{
//#define _DEBUG_TIMEAHEAD
#ifdef _DEBUG_TIMEAHEAD
    UINT32 ulCurrentTime;
    HRESULT timelineResult = m_pTimeLine->GetTimeLineValue(ulCurrentTime);

    static INT32 lMaxQueueAhead = 0;

    if ((timelineResult != HXR_TIMELINE_SUSPENDED)
        && (lTime - (INT32) ulCurrentTime) > lMaxQueueAhead)
    {
        lMaxQueueAhead = lTime - (INT32) ulCurrentTime;
        HX_TRACE("New max queue ahead: %d", lMaxQueueAhead);
    }
#endif // _DEBUG_TIMEAHEAD

    if (m_bWasInVidSurf2)
        return HXR_FAIL;

    m_pSite->m_bBltHasBeenCalled = TRUE;

    if (ulFlags & HX_MODE_IMMEDIATE)
    {
        if (m_pListOfFrames->GetCount())
            return HXR_FAIL;

        else if( (HXEmptyRegion(m_pSite->m_Region) && !pVidStruct->ulCount  && !m_bFrameHasHWAlphaBlend)
                 || !m_pSite->IsSiteVisible())
            return HXR_COULD_NOT_DISPLAY;
        else
        {
            lTime = 0;
        }
    }
    else if (ulFlags & HX_MODE_REFRESH)
    {
        HRESULT hr = HXR_FAIL;

        // We do not have a visible region so we can not refresh
        if( (HXEmptyRegion(m_pSite->m_Region) ) || !m_pSite->IsSiteVisible())
            return HXR_COULD_NOT_DISPLAY;

        // We have not displayed a frame yet so we can not refresh
        else if (HX_NO_BLT == m_nLastBltMode)
            return HXR_COULD_NOT_DISPLAY;

        // If we are waiting on a surface re-init, fail
        else if (WAIT_OBJECT_0 != WaitForSingleObject(m_hReinit, 0))
            return HXR_BUFFER_NOT_AVAILABLE;

        else if (HX_OVERLAY_BLT == m_nLastBltMode)
        {
            // Need to lose overlay...so fail the refresh
            if ((IsShrinking() && !_AllowsOverlayShrinking()) ||
                m_bMultipleOverlay)
                return HXR_FAIL;
        }
        else if (HX_BLT_YUV_STRETCH == m_nLastBltMode)
        {
            // Need to restore overlay...so fail the refresh
            if ((!IsShrinking() || _AllowsOverlayShrinking()) &&
                !m_bMultipleOverlay)
                return HXR_FAIL;
        }

        int      nNumRects   = 0;
        HXxRect* paSrcRects  = NULL;
        HXxRect* paDestRects = NULL;

        // Try to display a queued frame
        if (m_pListOfFrames->GetCount())
        {
            hr = PresentIfReady();
        }

        if (hr != HXR_OK)
        {
            CWinBaseRootSurface *pSurface = (CWinBaseRootSurface*)m_pSite->GetRootSurface();

            if (!pSurface)
                return HXR_FAIL;

            WINDRAW *pWindraw = pSurface->GetWinDraw();

            // If no dest rect is specified, use surface
            if (!prDestRect->right && !prDestRect->bottom)
            {
                HXxSize rcSize = {0,0};
                m_pSite->GetSize(rcSize);

                prDestRect->right = rcSize.cx;
                prDestRect->bottom = rcSize.cy;
            }

            // Refresh the last rgb image
            //if (m_bLostHWAcceleration)
            if (HX_BASIC_BLT == m_nLastBltMode)
            {
                // Do we have a gdi surface to refresh
                if (m_nLastGdiSurface >= 0)
                {
                    // If no src rect is specified, use surface
                    if (!prSrcRect->right && !prSrcRect->bottom)
                    {
                        prSrcRect->right = m_allocatedGdiSize.cx;
                        prSrcRect->bottom = m_allocatedGdiSize.cy;
                    }

                    SetLastScale(prSrcRect, prDestRect);

                    _ConstructRects( *prSrcRect,
                                     *prDestRect,
                                     FALSE,
                                     nNumRects,
                                     &paSrcRects,
                                     &paDestRects);

                    memcpy(&m_lastSrcRect, paSrcRects, sizeof(*paSrcRects)); /* Flawfinder: ignore */

                    // Do an rgb blt for each display rect
                    for( int j=0 ; j<nNumRects ; j++ )
                    {
                        hr = WinDrawSurface_Blt(pWindraw, &m_GDIsurface, (RECT*)&paDestRects[j], (RECT*)&paSrcRects[j], m_nLastGdiSurface);
                    }

                    HX_VECTOR_DELETE(paSrcRects);
                    HX_VECTOR_DELETE(paDestRects);
                }
            }

            // If we have a visible overlay, update it
            else if (WinDraw2_IsSurfaceVisible(pWindraw, &m_surface) && !m_bYUVBlending)
            {
                // If no src rect is specified, use surface
                if (!prSrcRect->right && !prSrcRect->bottom)
                {
                    prSrcRect->right = m_surfaceSize.cx;
                    prSrcRect->bottom = m_surfaceSize.cy;
                }

                SetLastScale(prSrcRect, prDestRect);

                _ConstructRects( *prSrcRect,
                                 *prDestRect,
                                 FALSE,
                                 nNumRects,
                                 &paSrcRects,
                                 &paDestRects);

                if (nNumRects != 1)
                {
                    HXxPoint screenOffset = m_pSite->GetScreenOffset();

                    paSrcRects[0] = *prSrcRect;
                    paDestRects[0] = *prDestRect;

                    paSrcRects[0].left += screenOffset.x;
                    paSrcRects[0].top += screenOffset.y;
                    paSrcRects[0].right += screenOffset.x;
                    paSrcRects[0].bottom += screenOffset.y;
                }

                hr = ForceUpdateOverlay( &paDestRects[0],
                                         &paSrcRects[0], HX_OVER_SHOW|HX_OVER_KEYDEST);

                if (HX_NO_BLT == m_nLastBltMode)
                    hr = HXR_FAIL;
                else
                {
                    memcpy(&m_lastSrcRect, paSrcRects, sizeof(*paSrcRects)); /* Flawfinder: ignore */

                    if (hr == HXR_OK)
                    {
                        if (m_bNeedColorKeyFilled && m_pSite->IsSiteVisible())
                        {
                            _FillColorKey();
                        }
                    }
                }

                HX_VECTOR_DELETE(paSrcRects);
                HX_VECTOR_DELETE(paDestRects);

#if !defined(_GOLD) && 0
                m_TimeStamps.AddSample();
#endif
            }
            else
            {
                // If we are in fallback mode, make them manually redraw
                if (m_bFallbackSurfaceCreated && HX_OVERLAY_BLT!=m_nBltMode && !m_bYUVBlending)
                {
                    // If no src rect is specified, use surface
                    if (!prSrcRect->right && !prSrcRect->bottom)
                    {
                        prSrcRect->right = m_allocatedFallbackSize.cx;
                        prSrcRect->bottom = m_allocatedFallbackSize.cy;
                    }

                    SetLastScale(prSrcRect, prDestRect);

                    _ConstructRects( *prSrcRect,
                                     *prDestRect,
                                     FALSE,
                                     nNumRects,
                                     &paSrcRects,
                                     &paDestRects);

                    memcpy(&m_lastSrcRect, paSrcRects, sizeof(*paSrcRects)); /* Flawfinder: ignore */

                    EnterCriticalSection(&m_csFallback);

                    for( int j=0 ; j<nNumRects ; j++ )
                    {
                        hr = WinDrawSurface_Blt(pWindraw, &m_fallbackSurface, (RECT*)&paDestRects[j], (RECT*)&paSrcRects[j]);
                    }

                    LeaveCriticalSection(&m_csFallback);

                    HX_VECTOR_DELETE(paSrcRects);
                    HX_VECTOR_DELETE(paDestRects);

#if !defined(_GOLD) && 0
                    m_TimeStamps.AddSample();
#endif
                }
            }
        }

        return hr;
    }