winsurf2.cpp

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: winsurf2.cpp,v 1.23.2.2 2004/07/26 10:28:48 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 "hxtypes.h"
#include <math.h>
#include "ddraw.h"
#include "hxcom.h"
#include "hxwintyp.h"
#include "hxvsurf.h"
#include "hxslist.h"
#include "ddhlpr.h"

#include "winsurf.h"
#include "vidsurf2.h"
#include "winsurf2.h"
#include "winsite.h"
#include "colormap.h"
#include "windraw2.h"
#include "hxprefs.h"
#include "hxtick.h"
#include "hxheap.h"
#include "hxevent.h"
#include "hwmemobj.h"


// these are defined in basesurf.cpp and should probably be moved to a .h file
#define HX_OVER_KEYDEST    1
#define HX_OVER_HIDE       2
#define HX_OVER_SHOW       4
#define OVERLAY_NOT_VISIBLE 0

#ifdef _DEBUG
#undef HX_THIS_FILE
static const char HX_THIS_FILE[] = __FILE__;

#include "winthrd.h"
#endif

#define OS_THREAD_QUANTUM 10
#define MAX_PREEMPTION_CHECK_ATTEMPTS 3
#define TIME_JITTER_FILTER_THRESHOLD 0.45

#define MIN_ALLOWED_REGRESSION  0.95
//#define HARDCODE_GRANULE
#define SCHEDULE_GRANULE        5
//#define LOG_JITTER_DATA
#define JITTER_LOG_FILE "c:\\temp\\ts.txt"

/****************************************************************************
 *  Debug
 */
//#define ENABLE_SYNC_TRACE
#ifdef ENABLE_SYNC_TRACE
#define MAX_SYNC_TRACE_ENTRIES	10000
ULONG32 ulSyncTraceIdx = 0;
double syncTraceArray[MAX_SYNC_TRACE_ENTRIES][3];

void DumpSyncEntries(void)
{
    FILE* pFile = NULL;
    ULONG32 ulIdx;

    if (ulSyncTraceIdx > 0)
    {
	pFile = fopen("/tmp/getscanline.txt", "wb"); /* Flawfinder: ignore */
    }

    if (pFile)
    {
	for (ulIdx = 0; ulIdx < (ulSyncTraceIdx < MAX_SYNC_TRACE_ENTRIES ?
             ulSyncTraceIdx : MAX_SYNC_TRACE_ENTRIES); ulIdx++)
	{
	    fprintf(pFile, "%lf\t%lf\t%lf\n", syncTraceArray[ulIdx][0],
					      syncTraceArray[ulIdx][1],
                                              syncTraceArray[ulIdx][2]
                                            );
	}

	fclose(pFile);
    }

    ulSyncTraceIdx = 0;
}
#endif	// ENABLE_SYNC_TRACE

//#define ENABLE_ERROR_TRACE
#ifdef ENABLE_ERROR_TRACE
#define MAX_ERROR_TRACE_ENTRIES	10000

double g_error[MAX_ERROR_TRACE_ENTRIES][3];
double g_alternateError[MAX_ERROR_TRACE_ENTRIES];
ULONG32 g_ulFrameCount;

UINT32 g_sleepError[MAX_ERROR_TRACE_ENTRIES];
ULONG32 g_ulSleepCount;

void DumpErrorEntries(void)
{
    FILE* pFile = NULL;
    ULONG32 ulIdx;

    if (g_ulFrameCount > 0)
    {
	pFile = fopen("/tmp/vblankerror.txt", "wb"); /* Flawfinder: ignore */
    }

    if (pFile)
    {
	for (ulIdx = 0; ulIdx < (g_ulFrameCount < MAX_SYNC_TRACE_ENTRIES ?
             g_ulFrameCount : MAX_SYNC_TRACE_ENTRIES); ulIdx++)
	{
	    fprintf(pFile, "%lf\t%lf\t%lf\n", g_error[ulIdx][0],
                                         g_error[ulIdx][1],
                                         g_error[ulIdx][2]);
	}

	fclose(pFile);
    }

    g_ulFrameCount = 0;
}
#endif	// ENABLE_ERROR_TRACE

// Using "this" in constructor initialzer
#pragma warning(disable:4355)

CWinSurface2::CWinSurface2(IUnknown* pContext, CHXBaseSite* pSite)
 :  CWinSurface(pContext,pSite)
 ,  CVideoSurface2((IUnknown*)(IHXVideoSurface*)this)
 ,  m_hRenThread(0)
 ,  m_hFrameSem(0)
 ,  m_hReinit(0)
 ,  m_hAbort(0)
 ,  m_hForceRender(0)
 ,  m_hSurfaceMutex(0)
 ,  m_bCont(FALSE)
 ,  m_bBoostRenderThread(TRUE)
 ,  m_bDoAlphaCheck(TRUE)
 ,  m_bQueryMonitorFreq(FALSE)
 ,  m_bUseVBlankFlip(TRUE)
 ,  m_bIngnorePresentIfReady(FALSE)
 ,  m_bScratchSurface(FALSE)
 ,  m_bGDISurface(FALSE)
 ,  m_nScratchIndex(0)
 ,  m_nLastDisplayTime(0)
 ,  m_pListOfFrames(NULL)
 ,  m_pTimeLine(NULL)
 ,  m_hFallbackEmpty(0)
 ,  m_nFallbackSurfaceCID(0)
 ,  m_bFallbackSurfaceCreated(FALSE)
 ,  m_pSysMemSurf(NULL)
 ,  m_nSysMemSurfSize(0)
 ,  m_nSysMemSurfCount(0)
 ,  m_nSysMemSurfPitch(0)
 ,  m_nSysMemSurfID(0)
 ,  m_nNextSysMemBuffer(0)
 ,  m_bUseSysMemSurface(FALSE)
 ,  m_nGdiSurfaceCount(0)
 ,  m_nLastGdiSurface(-1)
 ,  m_nNextGdiSurface(0)
 ,  m_nGdiSurfaceCID(0)
 ,  m_bGdiSurfaceCreated(FALSE)
 ,  m_ulFillColoryKeyCount(0)
 ,  m_bFlushing(FALSE)
 ,  m_bFrameHasHWAlphaBlend(FALSE)
 ,  m_bSurfaceRequiresOverlay(FALSE)
 ,  m_bSwitchingingOverlay(FALSE)
 ,  m_bUseDDColorControls(FALSE)
 ,  m_bWaitingForFlush(FALSE)
 ,  m_bWasInVidSurf2(FALSE)
 ,  m_dLastXScale(0.0)
 ,  m_dLastYScale(0.0)
 ,  m_nOverlayBackBuffersCreated(0)
 ,  m_dLastBlitError(0)
{
    // initialize data so we don't have invalid ptrs floating around.
    memset(&m_surface,0,sizeof(m_surface));
    memset(&m_GDIsurface,0,sizeof(m_GDIsurface));
    memset(&m_fallbackSurface,0,sizeof(m_fallbackSurface));
    memset(&m_allocatedFallbackSize, 0, sizeof(m_allocatedFallbackSize));
    memset(&m_allocatedSysMemSurfSize, 0, sizeof(m_allocatedSysMemSurfSize));
    memset(&m_allocatedFallbackSize, 0, sizeof(m_allocatedFallbackSize));

    memset(&m_rcLast, 0, sizeof(m_rcLast));

    InitializeCriticalSection(&m_csDisplay);
    InitializeCriticalSection(&m_csFallback);
    InitializeCriticalSection(&m_csList);
    InitializeCriticalSection(&m_csScale);

    m_hAbort = CreateEvent(NULL, TRUE, FALSE, NULL);
    m_hForceRender = CreateEvent(NULL, TRUE, FALSE, NULL);
    m_hReinit = CreateEvent(NULL, TRUE, TRUE, NULL);
    m_hFallbackEmpty = CreateEvent(NULL, TRUE, TRUE, NULL);

    m_hSurfaceMutex = CreateMutex(NULL, FALSE, NULL);
    m_pListOfFrames = new CHXSimpleList;

    // Read some preferences
    IHXPreferences*    pPreferences    = NULL;
    IHXBuffer*         pBuffer         = NULL;

    if (HXR_OK == m_pContext->QueryInterface(IID_IHXPreferences,(void**)&pPreferences))
    {
        // Use vblank flags for flipping
        if (pPreferences->ReadPref("VideoBoost\\DisableVBlankFlip", pBuffer) == HXR_OK)
        {
            m_bUseVBlankFlip = !(::atoi((char*) pBuffer->GetBuffer()) == 1);
        }
        HX_RELEASE(pBuffer);

        // Turn-off render thread priority boosting
        if (pPreferences->ReadPref("VideoBoost\\DisablePriorityBoost", pBuffer) == HXR_OK)
        {
            m_bBoostRenderThread = !(::atoi((char*) pBuffer->GetBuffer()) == 1);
        }
        HX_RELEASE(pBuffer);

        // Limit number of hw buffers
        if (pPreferences->ReadPref("VideoBoost\\MaxBuffers", pBuffer) == HXR_OK)
        {
            m_nMaxBackBuffers = ::atoi((char*) pBuffer->GetBuffer()) - 1;
            m_nMaxBackBuffers = max(1, m_nMaxBackBuffers);
        }
        HX_RELEASE(pBuffer);
    }


    HX_RELEASE(pPreferences);
}

CWinSurface2::~CWinSurface2()
{
    if (m_hRenThread)
    {
        m_bCont = FALSE;
        SetEvent(m_hAbort);

        WaitForSingleObject(m_hRenThread, INFINITE);

        CloseHandle(m_hFrameSem);
        m_hFrameSem = 0;

        CloseHandle(m_hRenThread);
        m_hRenThread = 0;

        DestroyFallbackSurface();
        DestroySysMemSurface();
        DestroyGdiSurface();
    }

    if (m_hAbort)
    {
        CloseHandle(m_hAbort);
        m_hAbort = 0;
    }

    if (m_hForceRender)
    {
        CloseHandle(m_hForceRender);
        m_hForceRender = 0;
    }

    if (m_hReinit)
    {
        CloseHandle(m_hReinit);
        m_hReinit = 0;
    }

    if (m_hFallbackEmpty)
    {
        CloseHandle(m_hFallbackEmpty);
        m_hFallbackEmpty = NULL;
    }

    if (m_hSurfaceMutex)
    {
        CloseHandle(m_hSurfaceMutex);
        m_hSurfaceMutex = 0;
    }

    HX_DELETE(m_pListOfFrames);

    DeleteCriticalSection(&m_csDisplay);
    DeleteCriticalSection(&m_csFallback);
    DeleteCriticalSection(&m_csList);
    DeleteCriticalSection(&m_csScale);

    HX_RELEASE(m_pTimeLine);
}

STDMETHODIMP CWinSurface2::QueryInterface(REFIID riid, void** ppvObj)
{
    if (IsEqualIID(riid, IID_IHXVideoSurface2))
    {
        return CVideoSurface2::QueryInterface(riid, ppvObj);
    }

    return CWinSurface::QueryInterface(riid, ppvObj);
}

STDMETHODIMP_(ULONG32) CWinSurface2::AddRef()
{
    return CWinSurface::AddRef();
}

STDMETHODIMP_(ULONG32) CWinSurface2::Release()
{
    return CWinSurface::Release();
}

STDMETHODIMP CWinSurface2::BeginOptimizedBlt(HXBitmapInfoHeader* pBitmapInfo)
{
    if (m_bWasInVidSurf2 &&
        pBitmapInfo &&
        m_pOptimizedFormat)
    {
        // Are the new parameters the same as the old paramaters? If not
        // then delete the old surfaces.
        if (pBitmapInfo->biWidth       != m_pOptimizedFormat->biWidth       ||
            pBitmapInfo->biHeight      != m_pOptimizedFormat->biHeight      ||
            pBitmapInfo->biPlanes      != m_pOptimizedFormat->biPlanes      ||
            pBitmapInfo->biBitCount    != m_pOptimizedFormat->biBitCount    ||
            pBitmapInfo->biCompression != m_pOptimizedFormat->biCompression ||
            m_bWasInVidSurf2)
        {
            if (m_bWasInVidSurf2)
                _WaitForFlush();

            DestroySurfaces();

            if (m_bWasInVidSurf2)
            {
                m_bVideoSurface2 = FALSE;
                m_bFlipOverlay = FALSE;
                m_nBackBufferCount = 0;
            }
        }
    }

    return CWinSurface::BeginOptimizedBlt(pBitmapInfo);
}

STDMETHODIMP CWinSurface2::Blt( UCHAR*               pImageData,
                                HXBitmapInfoHeader* pBitmapInfo,
                                REF(HXxRect)         rDestRect,
                                REF(HXxRect)         rSrcRect)
{
    m_pSite->_TLSLock();

    // Handle VS2->VS1 transions
    if (m_bWasInVidSurf2)
    {
        if (!m_pSite->_BordersActive() &&
            !m_pSite->_FadeTransitionActive() &&
            (!m_pSite->AreVideoControlsActive() || m_bUseDDColorControls) &&
            !m_pSite->IsHigherZOrderTranstitionActive() &&
            m_pSite->m_pUser && !m_LinkedSites.GetCount() &&
            !m_pLinkedOverlay)
        {
            HXxEvent event = {HX_SURFACE_MODE_CHANGE, NULL, NULL,
                              (void*)HX_VIDEOSURFACE1_NOT_RECOMMENDED, 0, 0};

            m_bWasInVidSurf2 = FALSE;

            // If we just turned off color controls inform the color converter
            m_pSite->CheckColorSettings();

            m_pSite->m_pUser->HandleEvent(&event);

            // The renderer switched to VideoSurface1 so don't give them a buffer
            if (event.handled)
            {
                m_pSite->_TLSUnlock();
                return HXR_FAIL;
            }
            else
                m_bWasInVidSurf2 = TRUE;
        }
        else if (m_bVideoSurface2)
        {
            m_pSite->_TLSUnlock();
            _WaitForFlush();
            m_bVideoSurface2 = FALSE;
            m_pSite->_TLSLock();
        }
    }

    HX_RESULT hr = CWinSurface::Blt(pImageData, pBitmapInfo, rDestRect, rSrcRect);

    m_pSite->_TLSUnlock();
    return hr;
}

void CWinSurface2::_CreateBuffer()
{