winroot.cpp

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: winroot.cpp,v 1.5.4.2 2004/07/26 10:28:17 pankajgupta Exp $
 *
 * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
 *
 * The contents of this file, and the files included with this file,
 * are subject to the current version of the RealNetworks Public
 * Source License (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the current version of the RealNetworks Community
 * Source License (the "RCSL") available at
 * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
 * will apply. You may also obtain the license terms directly from
 * RealNetworks.  You may not use this file except in compliance with
 * the RPSL or, if you have a valid RCSL with RealNetworks applicable
 * to this file, the RCSL.  Please see the applicable RPSL or RCSL for
 * the rights, obligations and limitations governing use of the
 * contents of the file.
 *
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL") in which case the provisions of the GPL are applicable
 * instead of those above. If you wish to allow use of your version of
 * this file only under the terms of the GPL, and not to allow others
 * to use your version of this file under the terms of either the RPSL
 * or RCSL, indicate your decision by deleting the provisions above
 * and replace them with the notice and other provisions required by
 * the GPL. If you do not delete the provisions above, a recipient may
 * use your version of this file under the terms of any one of the
 * RPSL, the RCSL or the GPL.
 *
 * This file is part of the Helix DNA Technology. RealNetworks is the
 * developer of the Original Code and owns the copyrights in the
 * portions it created.
 *
 * This file, and the files included with this file, is distributed
 * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
 * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
 * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
 * ENJOYMENT OR NON-INFRINGEMENT.
 *
 * Technology Compatibility Kit Test Suite(s) Location:
 *    http://www.helixcommunity.org/content/tck
 *
 * Contributor(s):
 *
 * ***** END LICENSE BLOCK ***** */

#include "hxcom.h"
#include "hxtypes.h"
#include "hxwintyp.h"
#include "hxvsurf.h"
#include "hxslist.h"
#include "hxerror.h"
#include "hxstrutl.h"
#include "hxver.h"

//#include "surfroot.h"
//#include "surfwles.h"
//#include "sitewles.h"
#include "winroot.h" // this muyst be included before colormap.h
#include "colormap.h"
#include "hxprefs.h"
#include "hxtick.h"
#include "ddpdb.h"

#include "winsite.h"

#ifndef _WIN32
#error This is the Macintosh platform specific implementation.
#endif

typedef HRESULT (HXEXPORT_PTR FPDIRECTDRAWCREATE)(GUID FAR * lpGUID,
                                                  LPDIRECTDRAW FAR * lplpDD, IUnknown FAR * pUnkOuter);

#define _DEBUGGING_WINDOWED_RENDERERS

CWinBaseRootSurface::CWinBaseRootSurface(IUnknown* pContext, CHXBaseSite* pSite) :
CBaseRootSurface(pContext, pSite),
    m_bWindrawOpened(FALSE),
    m_bWindrawCapsOpened(FALSE),
    m_bBltLock(FALSE),
    m_pScratchSurface(0),
    m_nScratchSurfaceCID(0),
    m_bScratchSurfaceCreated(FALSE),
    m_bShowingText(FALSE),
    m_hBrush(0),
    m_hPen(0),
    m_textColor(0),
    m_nTextBackgroundColor(0),
    m_hFont(0),
    m_hOldFont(0),
    m_hLastClipper(0),
    m_pErrMsg(NULL),
    m_pYUVScratchBits(NULL)
{
    memset( &m_windraw, 0, sizeof( m_windraw) );
    memset( &m_windrawCaps, 0, sizeof( m_windrawCaps) );
    memset( &m_compositionSurface, 0, sizeof( m_compositionSurface) );
}

CWinBaseRootSurface::~CWinBaseRootSurface()
{
	_DestroyCompositionSurface();

#ifdef _WORKAROUND_YUV_RGB_16BIT_HXCOLOR_BUG
    DestroyScratchSurface();
#endif /*_WORKAROUND_YUV_RGB_16BIT_HXCOLOR_BUG*/

    if (m_bWindrawOpened)
    {
        m_overlayMgr.RemoveAll();
        WinDraw2_Close(&m_windraw);
        m_bWindrawOpened = FALSE;
    }

    if (m_bWindrawCapsOpened)
    {
        WinDraw2_Close(&m_windrawCaps);
        m_bWindrawCapsOpened = FALSE;
    }

    HX_RELEASE(m_pErrMsg);
}

static void OpenDDPBD()
{
    HKEY    hKey;
    long    lSize = _MAX_PATH-1;
    char    szDBFileName[_MAX_PATH]; /* Flawfinder: ignore */

    const char* szKeyName = "Software\\"HXVER_COMMUNITY"\\Preferences\\DT_Plugins";
    if (RegOpenKeyEx(HKEY_CLASSES_ROOT, szKeyName, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
    {
        /* retrieve path name: */
        memset(szDBFileName, 0, _MAX_PATH);
        if (RegQueryValue(hKey, "", szDBFileName, &lSize) == ERROR_SUCCESS) {

            /* convert it at a string: */
            SafeStrCat(szDBFileName, "\\pvdu3260.bin", _MAX_PATH);

            /*
			* Open Database file to check for buggy video drivers
			* If the file has not changed since the last time we read this
			* information, this call is basically a NO-OP
			*/
            DDPDB_Open(szDBFileName);
        }

        /* close hKey: */
        RegCloseKey(hKey);
    }
}

HX_RESULT CWinBaseRootSurface::_DebugBlt(UCHAR*                 /*IN*/  pImageData,
                                         HXBitmapInfoHeader*   /*IN*/  pBitmapInfo,
                                         REF(HXxRect)           /*IN*/  rDestRect,
                                         REF(HXxRect)           /*IN*/  rSrcRect)
{
    if (m_pSite)
    {
        HXxWindow* pWindow = m_pSite->GetWindow();
        if (pWindow && pWindow->window)
        {
            HWND hwnd = (HWND) pWindow->window;
            HDC hDC = GetDC(hwnd);

            HBRUSH      hBrush          = CreateSolidBrush(0x00008000);
            HPEN        hPen            = CreatePen(PS_SOLID, 1, 0x00FF0000);
            HBRUSH      hOldBrush       = (HBRUSH)SelectObject(hDC, hBrush);
            HPEN        hOldPen         = (HPEN)SelectObject(hDC, hPen);

            Rectangle(hDC,rDestRect.left,rDestRect.top,rDestRect.right,rDestRect.bottom);

            SelectObject(hDC,hOldBrush);
            SelectObject(hDC,hOldPen);
            DeleteObject(hBrush);
            DeleteObject(hPen);
            ReleaseDC(hwnd, hDC);
        }
    }

    return HXR_OK;
}

void CWinBaseRootSurface::_GetYUVScratchWidthHeight(UINT32* pWidth, UINT32* pHeight)
{
    *pWidth     = m_YUVScratchbmi.bmiHeader.biWidth;
    *pHeight    = m_YUVScratchbmi.bmiHeader.biHeight;
}

void CWinBaseRootSurface::_CreateYUVScratchSurface(UINT32 width, UINT32 height)
{
    HX_VECTOR_DELETE(m_pYUVScratchBits);
    m_pYUVScratchBits = NULL;
    memset(&m_YUVScratchbmi, 0, sizeof(BITMAPINFO));
    if (MakeBitmap(&m_YUVScratchbmi, sizeof(BITMAPINFO), 0, width, height, NULL, NULL))
    {
	m_pYUVScratchBits = new UCHAR[m_YUVScratchbmi.bmiHeader.biSizeImage];
	m_nYUVPitch = GetBitmapPitch(&m_YUVScratchbmi);
    }
}

void CWinBaseRootSurface::_GetYUVScratchSurfacePointer(UCHAR** pYUVBits, INT32* YUVPitch)
{
    *pYUVBits = m_pYUVScratchBits;
    *YUVPitch = m_nYUVPitch;
}

void CWinBaseRootSurface::_BltFromScratchToComposition(REF(HXxRect) rDestRect, REF(HXxRect) rSrcRect)
{
    WinDrawSurface_Unlock(&m_windraw, &m_compositionSurface, 0);
    WinDrawSurface_BltIndirect(&m_windraw, &m_compositionSurface, &m_scratchSurface, (RECT*)&rDestRect, (RECT*)&rSrcRect);
    WinDrawSurface_Lock(&m_windraw, &m_compositionSurface, 0,
		(void**) &m_pCompositionSurface, (LONG*)&m_nCompositionPitch);
}

HX_RESULT CWinBaseRootSurface::_LockComposition(UCHAR** pBits, INT32* pPitch)
{
    if (NOERROR == WinDrawSurface_Lock(&m_windraw, &m_compositionSurface, 0,
        (void**) pBits, (LONG*)pPitch))
    {
        return HXR_OK;
    }
    return HXR_FAIL;
}

HX_RESULT CWinBaseRootSurface::OpenWindraw()
{
    HX_RESULT retVal = HXR_FAIL;

    if (m_bWindrawOpened)
    {
        return HXR_OK;
    }

    OpenDDPBD();

    if (m_pSite)
    {
        if (!m_pErrMsg)
            m_pContext->QueryInterface(IID_IHXErrorMessages, (void**)&m_pErrMsg);

        HXxWindow* pWindow = m_pSite->GetWindow();
        if (pWindow && pWindow->window)
        {
            memset(&m_windraw, 0, sizeof(WINDRAW));

            HRESULT failed = TRUE;

            if (m_fSurfaceType & HX_ACCELERATION_ON)
            {
                failed = WinDraw2_Open(&m_windraw, (HWND) pWindow->window, WINDRAW_DIRECTDRAW, NULL, NULL);
                // do any required cleanup
                if (failed)
                {
                    WinDraw2_Close(&m_windraw);
                }
                else
                {
                    // Store the accelerated windraw
                    m_windrawCaps = m_windraw;
                    m_windraw.pErrMsg = m_pErrMsg;

                    WinDraw2_GetMonitorProperties(&m_windraw);
                }
            }

            /* go to GDI mode */
            if (failed)
            {
                m_fSurfaceType  &= ~HX_ACCELERATION_ON;
                m_fSurfaceType  &= ~HX_USE_VIDEO_MEMORY;
                m_fSurfaceType  &= ~HX_USE_SYSTEM_MEMORY;
                failed = WinDraw2_Open(&m_windraw, (HWND) pWindow->window, NULL, NULL, NULL);
            }

            if (!failed)
            {
                retVal = HXR_OK;
                m_bWindrawOpened = TRUE;
            }
        }
    }
    return retVal;
}

void CWinBaseRootSurface::_MinimalBlt(HXxRect& src, HXxRect& dst)
{
}

HX_RESULT CWinBaseRootSurface::_CreateCompositionSurface()
{
    HX_RESULT retVal = HXR_FAIL;

    OpenWindraw();
    if (m_bCompositionSurfaceCreated)
    {
        return HXR_OK;
    }

    if (!m_bWindrawOpened)
    {
        return retVal;
    }

    // Can we restore hw acceleratoin (don't do it during a video surface switch)
    if((m_fSurfaceType & HX_ACCELERATION_ON) == HX_ACCELERATION_ON)
    {
        if(!_IsHardwareAccelerationAvail())
        {
            _LoseHardwareAcceleration();
            return HXR_OK;
        }
    }
    else if( m_bWindrawCapsOpened )
    {
        if( _IsHardwareAccelerationAvail() )
            _AcquireHardwareAcceleration();
        return HXR_OK;
    }

    // get primary surface CID.
    BMI primaryBMI;
    memset(&primaryBMI, 0, sizeof(BMI));
    WinDraw2_GetDisplayFormat(&m_windraw, &primaryBMI);
    m_nCompositionSurfaceCID = GetBitmapColor((LPBITMAPINFO)&primaryBMI);

    // create a BMI to describe the composition surface
    memset(&primaryBMI, 0, sizeof(BMI));
    memcpy(&m_compositionSize, &m_pSite->m_size, sizeof(HXxSize)); /* Flawfinder: ignore */

    // find out how big we want to allocate.
    if (m_pSite->IsFullScreen())
    {
        m_allocatedCompositionSize.cx = GetSystemMetrics(SM_CXSCREEN);
        m_allocatedCompositionSize.cy = GetSystemMetrics(SM_CYSCREEN);
    }
    else
    {
        m_allocatedCompositionSize.cx = m_compositionSize.cx;
        m_allocatedCompositionSize.cy = m_compositionSize.cy;
    }

    if (m_compositionSize.cx > m_allocatedCompositionSize.cx  || m_compositionSize.cy > m_allocatedCompositionSize.cy)
    {
        m_allocatedCompositionSize.cx = m_compositionSize.cx;
        m_allocatedCompositionSize.cy = m_compositionSize.cy;
    }

    MakeBitmap((LPBITMAPINFO)&primaryBMI, sizeof(BMI), m_nCompositionSurfaceCID, m_allocatedCompositionSize.cx, m_allocatedCompositionSize.cy, NULL, NULL);

    // now attempt to create the surface
    memset(&m_compositionSurface, 0, sizeof(WINDRAWSURFACE));

    /*
	*  Now are we in 8 bit color mode? If so we will need to make a palette.
	*/

    if (m_nCompositionSurfaceCID == CID_RGB8)
    {
        HDC hDC;
        int n = 0;

        hDC = GetDC (NULL);
        n = GetSystemPaletteEntries (hDC, 0, 256, (LPPALETTEENTRY) primaryBMI.dwPalette);
        ReleaseDC (NULL,hDC);

    }

    if (NOERROR == WinDraw2_CreateSurface(&m_windraw, &m_compositionSurface, &primaryBMI, m_fSurfaceType, 0, 0))
    {
        retVal = HXR_OK;
        m_bCompositionSurfaceCreated = TRUE;
    }

    primaryBMI.bmiHeader.biWidth    = 1;
    primaryBMI.bmiHeader.biHeight   = 1;

    return retVal;
}

HX_RESULT CWinBaseRootSurface::_DestroyCompositionSurface()
{
    HX_RESULT retVal = HXR_OK;

    if (m_bCompositionSurfaceCreated)
    {
		if (NOERROR == WinDraw2_ReleaseSurface(&m_windraw, &m_compositionSurface))
		{
			m_bCompositionSurfaceCreated = FALSE;
			retVal = HXR_OK;
		}
		else
		{
			retVal = HXR_FAIL;
		}
    }
    return retVal;
}

HX_RESULT CWinBaseRootSurface::_MinimalUnlock(HXxWindow* pWindow)
{
    if( m_pSite->IsCompositionLocked() )
    {
#if 0
        if (m_pUnlockingSite && m_pUnlockingSite->HasFocusRect())
        {
            DrawFocusRect(&m_compositionSurface,
                          m_nCompositionSurfaceCID,
                          &m_allocatedCompositionSize,
                          m_pCompositionSurface,
                          m_pUnlockingSite);
        }
#endif

        WinDrawSurface_Unlock(&m_windraw, &m_compositionSurface, 0);
        return HXR_OK;
    }

#if 0
    if (m_pUnlockingSite && m_pUnlockingSite->HasFocusRect())
    {
        DrawFocusRect(&m_compositionSurface,
                      m_nCompositionSurfaceCID,
                      &m_allocatedCompositionSize,
                      m_pCompositionSurface,
                      m_pUnlockingSite);
    }
#endif

    HX_RESULT retVal = HXR_FAIL;
    if (NOERROR == WinDrawSurface_Unlock(&m_windraw, &m_compositionSurface, 0))
    {
        m_pCompositionSurface = NULL;

        if (!m_bBltLock)