macroot.cpp

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: macroot.cpp,v 1.7.20.1 2004/07/09 01:59:02 hubbe 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 "hxmap.h"
#include "hxslist.h"
#include "ihxpckts.h"
#include "hxwin.h"
#include "hxengin.h"
#include "hxsite2.h"
#include "chxxtype.h"
#include "hxvctrl.h"
#include "hxvsurf.h"
#include "hxcodec.h"
#include "surface.h"
#include "vidosurf.h"
#include "sitetext.h"
#include "chxpckts.h"
#include "hxevent.h"
#include "bltpatch.h"
#include "hxprefs.h"

#include "hxevent.h"
#include "hxthread.h"

#include "basesite.h"
#include "platform/mac/macroot.h"

#include "platform/mac/macsite.h"
#include "platform/mac/macsurf.h"

#include "platform/mac/hx_moreprocesses.h"

#ifndef _MAC_UNIX
#include "hxmm.h"
#endif

#include "hxcore.h"

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

#if !defined(_CARBON) && !defined(_MAC_UNIX)
#error This is an OS X and later implementation!
#endif

#include "hxheap.h"
#ifdef _DEBUG
#undef HX_THIS_FILE		
static const char HX_THIS_FILE[] = __FILE__;
#endif

UINT32 CMacRootSurface::zm_uNumberOfAttachedDevices = 0;
GDHandle CMacRootSurface::zm_AttachedDevice[CMacRootSurface::kMaxMonitors];
CHXSimpleList CMacRootSurface::zm_RootSurfaceList;

CMacRootSurface::OverlayInfoStruct CMacRootSurface::zm_OverlayInfo[CMacRootSurface::kMaxMonitors];


/************************************************************************
 *  Method:
 *    CMacRootSurface constructor
 */
CMacRootSurface::CMacRootSurface(IUnknown* pContext, CHXBaseSite* pSite)
 : CBaseRootSurface(pContext, pSite)
 , m_bItsOKToDoAnInterruptBlit(FALSE)
 , m_pVisRgnRects(NULL)
 , m_LastVisRgn(NULL)
 , m_bNeedToForceVisRgnUpdate(FALSE)
 , m_nBlitDepthEnum(-1)
 , m_bInBlueBox(FALSE)
 , m_bAllowedToITBInBlueBox(TRUE)
{
    m_pVisRgnRects = new CHXSimpleList();
    
    int i;
    for (i = 0; i < kNumberOfDepths; i++)
    {
	m_RootSurfaceGWorld[i] = nil;
	m_RootGWorldPixMap[i] = nil;
    }

    if (zm_uNumberOfAttachedDevices == 0)
    {
	// OK, first zero it all out
	for (i=0; i < kMaxMonitors; i++)
	{
	    zm_AttachedDevice[i] = NULL;
	    
	    zm_OverlayInfo[i].b_OverlayExists = FALSE;
	    zm_OverlayInfo[i].b_OverlayInitialized = FALSE;
	}
	
	// now fill it in with all attached devices!
	
	// check for multiple monitors. Also grab main device...
	GDHandle mainGD = ::GetMainDevice();
	GDHandle gdH = ::GetDeviceList();
	while ( gdH )
	{
	    zm_AttachedDevice[zm_uNumberOfAttachedDevices] = gdH;
	    zm_uNumberOfAttachedDevices++;
	    gdH = ::GetNextDevice( gdH );
	    
	    if (zm_uNumberOfAttachedDevices >= kMaxMonitors)
	    {
		gdH = nil; // stop counting after ten monitors!
	    }
	}
    }
    
    long blueBoxParams = 0;
    short err = Gestalt('bbox', &blueBoxParams);
    if (!err && blueBoxParams & 0x00000001)
    {
	m_bInBlueBox = TRUE;
    }
    
    m_LocalToGlobalCoords.h = -32768;
    m_LocalToGlobalCoords.v = -32768;
    zm_RootSurfaceList.AddTail(this);
}

/************************************************************************
 *  Method:
 *    CMacRootSurface destructor
 */
CMacRootSurface::~CMacRootSurface()
{
    LISTPOSITION pos = zm_RootSurfaceList.Find(this);
    zm_RootSurfaceList.RemoveAt(pos);
    
    int i;
    for (i = 0; i < kNumberOfDepths; i++)
    {
	if (m_RootSurfaceGWorld[i] != NULL)
	{
	    ::UnlockPixels(m_RootGWorldPixMap[i]);
	    ::DisposeGWorld(m_RootSurfaceGWorld[i]);
	    m_RootSurfaceGWorld[i] = NULL;
	    m_RootGWorldPixMap[i] = NULL;
	}
    }
    
    if (m_LastVisRgn)
    {
	::DisposeRgn(m_LastVisRgn);
	m_LastVisRgn = nil;
    }
    delete m_pVisRgnRects;
    m_pVisRgnRects = NULL;
}

/************************************************************************
 *  Method:
 *    CMacRootSurface::_GetYUVScratchWidthHeight
 */
void
CMacRootSurface::_GetYUVScratchWidthHeight(UINT32* pWidth, UINT32* pHeight)
{
}


/************************************************************************
 *  Method:
 *    CMacRootSurface::_CreateYUVScratchSurface
 */
void
CMacRootSurface::_CreateYUVScratchSurface(UINT32 width, UINT32 height)
{
}


/************************************************************************
 *  Method:
 *    CMacRootSurface::_GetYUVScratchSurfacePointer
 */
void
CMacRootSurface::_GetYUVScratchSurfacePointer(UCHAR** pYUVBits, INT32* YUVPitch)
{
}


/************************************************************************
 *  Method:
 *    CMacRootSurface::CreateScratchSurface
 */
HX_RESULT
CMacRootSurface::CreateScratchSurface(int nCompositionSurfaceCID, HXxSize* pSize)
{
    return HXR_OK;
}


/************************************************************************
 *  Method:
 *    CMacRootSurface::ScratchLock
 */
HX_RESULT
CMacRootSurface::ScratchLock(UCHAR** pBits, INT32* pPitch_)
{
    return HXR_OK;
}


/************************************************************************
 *  Method:
 *    CMacRootSurface::ScratchUnlock
 */
HX_RESULT
CMacRootSurface::ScratchUnlock(UCHAR* pBits)
{
    return HXR_OK;
}


/************************************************************************
 *  Method:
 *    CMacRootSurface::_BltFromScratchToComposition
 */
void
CMacRootSurface::_BltFromScratchToComposition(HXxRect& rDestRect, HXxRect& rSrcRect)
{
}


/************************************************************************
 *  Method:
 *    CMacRootSurface::_DebugBlt
 */
HX_RESULT
CMacRootSurface::_DebugBlt( UCHAR*               pImageData,
                        HXBitmapInfoHeader* pBitmapInfo,
                        REF(HXxRect)         rDestRect,
                        REF(HXxRect)         rSrcRect)
{
    return HXR_OK;
}

/************************************************************************
 *  Method:
 *    CMacRootSurface::_MinimalUnlock
 */
HX_RESULT
CMacRootSurface::_MinimalUnlock(HXxWindow* pWindow)
{
    return HXR_OK;
}


/************************************************************************
 *  Method:
 *    CMacRootSurface::_LockComposition
 */
HX_RESULT
CMacRootSurface::_LockComposition(UCHAR** pBits, INT32* pPitch)
{
    if (m_bItsOKToDoAnInterruptBlit)
    {
        // if the OK to ITB boolean still needs to be set,
        // the region will be force-updated at an appropriate
        // time.
        
        // ensure that region is updated.
        Rect r;
        r.left = m_boundsRect.left;
        r.top = m_boundsRect.top;
        r.right = m_boundsRect.right;
        r.bottom = m_boundsRect.bottom;
        UpdateRegionIfNecessary(r, m_LocalToGlobalCoords, m_bNeedToForceVisRgnUpdate);
        m_bNeedToForceVisRgnUpdate = FALSE;
    }
    return HXR_OK;
}


/************************************************************************
 *  Method:
 *    CMacRootSurface::_CreateCompositionSurface
 */
HX_RESULT
CMacRootSurface::_CreateCompositionSurface()
{
    // XXXbobclark The composition surface -- where stuff gets blitted
    // on an interim basis prior to being blitted straight to the screen
    // -- works most optimally if it's the same depth as the screen.
    // When all this shtuff was in comlib I did this by having possibly
    // three interim GWorlds, one each of depths 8-bit, 16-bit, and 32-bit.
    // Note that interrupt-time blitting REQUIRES a composition surface of the
    // same depth as the screen 'cause CopyBits() doesn't work. And multiple
    // monitors imply that multiple depths may need to be active simultaneously.

    // Since this gets called so often I'll never dispose the GWorld
    // in _DestroyCompositionSurface() so it won't recreate it here. But if
    // it stays this way then I'll need to check the size here to see if I
    // need to dispose the current GWorld and create a new, correctly-sized
    // one.

    if (m_compositionSize.cx > m_allocatedCompositionSize.cx || m_compositionSize.cy > m_allocatedCompositionSize.cy)
    {
	::UnlockPixels(m_RootGWorldPixMap[kThirtyTwoBitDepth]);
	::DisposeGWorld(m_RootSurfaceGWorld[kThirtyTwoBitDepth]);
	m_RootSurfaceGWorld[kThirtyTwoBitDepth] = nil;
	m_RootGWorldPixMap[kThirtyTwoBitDepth] = nil;
	m_pCompositionSurface = nil;
	m_nBlitDepthEnum = -1;
    }
    
    if (!m_pCompositionSurface)
    {

	short thePixelDepth = 32;
	Rect r;
	SetRect(&r, 0, 0, m_compositionSize.cx, m_compositionSize.cy);

	// It's possible that this is getting called extremely often -- like
	// once per blit! and it's also getting called occasionally at interrupt
	// time. So I need to get this being built at appropriate times only,
	// and then I think that copying it over in _MinimalBlt() I can blit it over
	// to the window and maybe just maybe I'll have something visible. Sheesh.

	::NewGWorld(&m_RootSurfaceGWorld[kThirtyTwoBitDepth], thePixelDepth, &r, nil, nil, useTempMem);
	if (!m_RootSurfaceGWorld[kThirtyTwoBitDepth])
	{
	    // it failed to create it in temp mem so try creating it in the application heap.
	    ::NewGWorld(&m_RootSurfaceGWorld[kThirtyTwoBitDepth], thePixelDepth, &r, nil, nil, 0);
	    
	    if (!m_RootSurfaceGWorld[kThirtyTwoBitDepth]) return HXR_FAIL;
	}

	m_RootGWorldPixMap[kThirtyTwoBitDepth] = GetPortPixMap(m_RootSurfaceGWorld[kThirtyTwoBitDepth]);
	::LockPixels(m_RootGWorldPixMap[kThirtyTwoBitDepth]);

	m_pCompositionSurface = (unsigned char*)GetPixBaseAddr(m_RootGWorldPixMap[kThirtyTwoBitDepth]);
	m_nBlitDepthEnum = kThirtyTwoBitDepth;

	m_allocatedCompositionSize = m_compositionSize;
	m_nCompositionPitch = (**m_RootGWorldPixMap[kThirtyTwoBitDepth]).rowBytes & 0x3fff;

	m_boundsRect.left = r.left;
	m_boundsRect.top = r.top;
	m_boundsRect.right = r.right;
	m_boundsRect.bottom = r.bottom;

	m_nCompositionSurfaceCID = CID_RGB32;
    }

    return HXR_OK;
}


/************************************************************************
 *  Method:
 *    CMacRootSurface::_DestroyCompositionSurface
 */
HX_RESULT
CMacRootSurface::_DestroyCompositionSurface()
{

    // XXXbobclark I've gotta figure out what the story is here,
    // 'cause right now it's getting called every blit.
    // I certainly don't want to be destroying the whole GWorld!
    // So currently I'll never destroy it. Ehhh.
    
    return HXR_OK;
}

/************************************************************************
 *  Method:
 *    CMacRootSurface::_MinimalBlt
 */
void
CMacRootSurface::_MinimalBlt(HXxRect& src, HXxRect& dst)
{
    {
	GrafPtr savePort;
	::GetPort(&savePort);
	WindowPtr macWindow;
	macWindow = m_pSite->m_pWindow ? (WindowPtr)m_pSite->m_pWindow->window : NULL;
	
	if (CHXMacSite::zm_bFullScreenActive)
	{
	    CHXMacSite* pMacSite = (CHXMacSite*)m_pSite;
	    if (pMacSite->m_pHXxFullScreenWindow)
	    {
		macWindow = (WindowPtr)pMacSite->m_pHXxFullScreenWindow->window;
	    }
	}
	
	::SetPort(GetWindowPort(macWindow));

	// XXXbobclark The "old site" surface implementation's innermost
	// blitting API, "BltImage", always happened to have the dest
	// rectangle at (0,0) and relied on SetOrigin to set it up
	// correctly. The "new site" implementation's innermost blittin
	// API is "_MinimalBlt", and in this case the rectangle is relative
	// to the core's area. So I remember the current origin (so I can
	// restore it 'cause some renderers need it) and reset it to the
	// core's offset.
	Point oldOrigin;
	Rect portRect;
	GetPortBounds(GetWindowPort(macWindow), &portRect);
	oldOrigin.h = portRect.left;
	oldOrigin.v = portRect.top;
	HXxWindow* pWindow = m_pSite->GetWindow();
	if (pWindow)
	{
	    SetOriginAndMaintainClipRgn(-pWindow->x,-pWindow->y);
	}


	m_LocalToGlobalCoords.h = 0;
	m_LocalToGlobalCoords.v = 0;
	::LocalToGlobal(&m_LocalToGlobalCoords);