hxplay.cpp

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

        m_pEngine->QueryInterface(IID_IHXClientViewSource,
                                            (void**)&m_pClientViewSource);

        m_pEngine->QueryInterface(IID_IHXClientViewRights,
                                            (void**)&m_pClientViewRights);

        m_pEngine->QueryInterface(IID_IHXPreferredTransportManager,
                                            (void**)&m_pPreferredTransportManager);

        m_pEngine->QueryInterface(IID_IHXNetInterfaces,
                                            (void**)&m_pNetInterfaces);

#if defined(HELIX_FEATURE_REGISTRY)
        // create registry entries
        if (HXR_OK != m_pEngine->QueryInterface(IID_IHXRegistry, (void**)&m_pRegistry))
        {
            m_pRegistry = NULL;
        }
        else
#endif /* HELIX_FEATURE_REGISTRY */
        {
#if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
            char        szRegName[MAX_DISPLAY_NAME] = {0}; /* Flawfinder: ignore */

            m_pStats = new PLAYER_STATS(m_pRegistry, unRegistryID);
            m_pRegistry->AddInt("Statistics.StreamSwitchOccured", 0);

            if (m_pRegistry &&
                HXR_OK == m_pRegistry->GetPropName(unRegistryID, pPlayerRegName))
            {
                SafeSprintf(szRegName, MAX_DISPLAY_NAME, "%s.Repeat", pPlayerRegName->GetBuffer());
                m_ulRepeatedRegistryID = m_pRegistry->AddComp(szRegName);

                SafeSprintf(szRegName, MAX_DISPLAY_NAME, "%s.NextGroup", pPlayerRegName->GetBuffer());
                m_ulNextGroupRegistryID = m_pRegistry->AddComp(szRegName);
            }
            HX_RELEASE(pPlayerRegName);
#endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */

#if defined(HELIX_FEATURE_REGISTRY) && defined(HELIX_FEATURE_MASTERTAC)
            // create master TAC object
            UINT32 playerID = 0;
            GetID(playerID);
            m_pMasterTAC->SetRegistry(m_pRegistry,playerID);
#endif /* HELIX_FEATURE_REGISTRY && HELIX_FEATURE_MASTERTAC*/
        }

        m_pCookies = m_pEngine->GetCookies();
    }
    else
    {
        theErr = HXR_INVALID_PARAMETER;
    }

    if (m_pAudioPlayer && theErr == HXR_OK)
    {
        m_pAudioPlayer->AddRef();

        theErr = m_pAudioPlayer->Init((IUnknown*) (IHXPlayer*)this);
    }

#if defined(HELIX_FEATURE_NEXTGROUPMGR)
    if (m_pNextGroupManager)
    {
        m_pNextGroupManager->Init();
    }
#endif /* HELIX_FEATURE_NEXTGROUPMGR */

    return theErr;
}


/************************************************************************
 *      Method:
 *              IHXPlayer::IsDone
 *      Purpose:
 *              Ask the player if it is done with the current presentation
 *
 */
STDMETHODIMP_ (BOOL) HXPlayer::IsDone(void)
{
    return m_bIsPresentationDone;
}

/************************************************************************
 *      Method:
 *              IHXPlayer::IsLive
 *      Purpose:
 *              Ask the player whether it contains the live source
 *
 */
STDMETHODIMP_ (BOOL) HXPlayer::IsLive(void)
{
    return m_bIsLive;
}

/************************************************************************
 *      Method:
 *              IHXPlayer::GetCurrentPlayTime
 *      Purpose:
 *              Get the current time on the Player timeline
 *
 */
STDMETHODIMP_ (ULONG32) HXPlayer::GetCurrentPlayTime(void)
{
    HX_RESULT theErr = HXR_OK;

    m_bCoreLocked = TRUE;
    m_pCoreMutex->Lock();
    theErr = m_pAudioPlayer->GetCurrentPlayBackTime();
    m_pCoreMutex->Unlock();
    m_bCoreLocked = FALSE;

    return theErr;
}

/************************************************************************
 *      Method:
 *          IHXPlayer::AddAdviseSink
 *      Purpose:
 *          Call this method to add a client advise sink.
 *
 */
STDMETHODIMP HXPlayer::AddAdviseSink   (IHXClientAdviseSink*  pAdviseSink)
{
#if defined(HELIX_FEATURE_SINKCONTROL)
    if (m_pAdviseSink)
    {
        return m_pAdviseSink->AddAdviseSink(pAdviseSink);
    }
    else
#endif /* HELIX_FEATURE_SINKCONTROL */
    {
        return HXR_NOTIMPL;
    }
}

/************************************************************************
 *      Method:
 *          IHXPlayer::RemoveAdviseSink
 *      Purpose:
 *          Call this method to remove a client advise sink.
 */
STDMETHODIMP HXPlayer::RemoveAdviseSink(IHXClientAdviseSink*  pAdviseSink)
{
    HX_RESULT theErr = HXR_OK;

    m_bCoreLocked = TRUE;
    m_pCoreMutex->Lock();
#if defined(HELIX_FEATURE_SINKCONTROL)
    if (m_pAdviseSink)
    {
        theErr = m_pAdviseSink->RemoveAdviseSink(pAdviseSink);
    }
#endif /* HELIX_FEATURE_SINKCONTROL */
    m_pCoreMutex->Unlock();
    m_bCoreLocked = FALSE;

    return theErr;
}

ULONG32 HXPlayer::GetInst(void)
{
#if defined(_WIN32)
    return (ULONG32)GetModuleHandle(NULL);
#elif defined(_WIN16)
    return (ULONG32)g_hInstance;
#else
    return 0;
#endif
}

HX_RESULT
HXPlayer::SetStatsGranularity
(
    ULONG32     ulGranularity
)
{
#if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
    m_ulStatsGranularity = ulGranularity;

    if (m_pUpdateStatsCallback->m_bIsCallbackPending && ALLFS == m_ulStatsGranularity)
    {
        m_pUpdateStatsCallback->m_bIsCallbackPending = FALSE;
        m_pScheduler->Remove(m_pUpdateStatsCallback->m_PendingHandle);
        m_pUpdateStatsCallback->m_PendingHandle = 0;
    }
    else if (!m_pUpdateStatsCallback->m_bIsCallbackPending && ALLFS != m_ulStatsGranularity)
    {
        UpdateStatistics();
    }
    return HXR_OK;
#else
    return HXR_NOTIMPL;
#endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */
}

STDMETHODIMP
HXPlayer::ClosePresentation()
{
    m_bCoreLocked = TRUE;
    m_pCoreMutex->Lock();

    // This stops the player if it is playing and cleans up the layout.
    StopPlayer(END_STOP);
    CloseAllRenderers(0);

#if defined(HELIX_FEATURE_VIDEO)
    if (m_pSiteSupplier && !m_bBeginChangeLayoutTobeCalled)
    {
        m_bBeginChangeLayoutTobeCalled  = TRUE;
        m_pSiteSupplier->DoneChangeLayout();
    }
#endif /* HELIX_FEATURE_VIDEO */

    m_pCoreMutex->Unlock();
    m_bCoreLocked = FALSE;

    return HXR_OK;
}

STDMETHODIMP
HXPlayer::SetMinimumPreroll(UINT32 ulMinPreroll)
{
    HX_RESULT hr = HXR_OK;

    m_ulMinimumTotalPreroll = ulMinPreroll;

    return hr;
}

STDMETHODIMP
HXPlayer::GetMinimumPreroll(REF(UINT32) ulMinPreroll)
{
    HX_RESULT hr = HXR_OK;

    ulMinPreroll = m_ulMinimumTotalPreroll;

    return hr;
}

HX_RESULT
HXPlayer::UpdateStatistics(void)
{
#if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
    BOOL                bUpdate = FALSE;
    ULONG32             ulPlayerTotal = 0;
    ULONG32             ulPlayerReceived = 0;
    ULONG32             ulPlayerNormal = 0;
    ULONG32             ulPlayerRecovered = 0;
    ULONG32             ulPlayerDuplicate = 0;
    ULONG32             ulPlayerOutOfOrder = 0;
    ULONG32             ulPlayerLost = 0;
    ULONG32             ulPlayerLate = 0;
    UINT32              ulPlayerTotal30 = 0;
    UINT32              ulPlayerLost30 = 0;
    ULONG32             ulPlayerResendRequested = 0;
    ULONG32             ulPlayerResendReceived = 0;

    ULONG32             ulPlayerBandwidth = 0;
    ULONG32             ulPlayerCurBandwidth = 0;
    ULONG32             ulPlayerAvgBandwidth = 0;

    INT32               lAvgLatency = 0;
    INT32               lHighLatency = 0;
    INT32               lLowLatency = 0xFFFF;

    ULONG32             ulStreamNumber = 0;

    SourceInfo*         pSourceInfo = NULL;
    RendererInfo*       pRenderInfo = NULL;
    IHXStatistics*     pStatistics = NULL;
    UINT16              uBufferingMode = 0;

    CHXMapPtrToPtr::Iterator    ndxSource;
    CHXMapLongToObj::Iterator   ndxRend;

    if (!m_bInitialized || m_bPaused)
    {
        goto exit;
    }

    // update statistics
    ndxSource = m_pSourceMap->Begin();
    for (; ndxSource != m_pSourceMap->End(); ++ndxSource)
    {
        pSourceInfo = (SourceInfo*) (*ndxSource);

        // notify the renderer to update its statistics
        ndxRend = pSourceInfo->m_pRendererMap->Begin();
        for (; ndxRend != pSourceInfo->m_pRendererMap->End(); ++ndxRend)
        {
            pRenderInfo = (RendererInfo*)(*ndxRend);

            if (pRenderInfo->m_pRenderer &&
                HXR_OK == pRenderInfo->m_pRenderer->
                                QueryInterface(IID_IHXStatistics,
                                                (void**)&pStatistics))
            {
                pStatistics->UpdateStatistics();

                pStatistics->Release();
                pStatistics = NULL;
            }
        }

        // update each source
        if (pSourceInfo->m_pSource              &&
            HXR_OK == pSourceInfo->m_pSource->UpdateStatistics())
        {
            ulPlayerTotal           += pSourceInfo->m_pSource->m_pStats->m_pTotal->GetInt();
            ulPlayerReceived        += pSourceInfo->m_pSource->m_pStats->m_pReceived->GetInt();
            ulPlayerNormal          += pSourceInfo->m_pSource->m_pStats->m_pNormal->GetInt();
            ulPlayerRecovered       += pSourceInfo->m_pSource->m_pStats->m_pRecovered->GetInt();
            ulPlayerDuplicate       += pSourceInfo->m_pSource->m_pStats->m_pDuplicate->GetInt();
            ulPlayerOutOfOrder      += pSourceInfo->m_pSource->m_pStats->m_pOutOfOrder->GetInt();
            ulPlayerLost            += pSourceInfo->m_pSource->m_pStats->m_pLost->GetInt();
            ulPlayerLate            += pSourceInfo->m_pSource->m_pStats->m_pLate->GetInt();
            ulPlayerResendRequested += pSourceInfo->m_pSource->m_pStats->m_pResendRequested->GetInt();
            ulPlayerResendReceived  += pSourceInfo->m_pSource->m_pStats->m_pResendReceived->GetInt();

            ulPlayerTotal30         += pSourceInfo->m_pSource->m_pStats->m_pTotal30->GetInt();
            ulPlayerLost30          += pSourceInfo->m_pSource->m_pStats->m_pLost30->GetInt();

            ulPlayerBandwidth       += pSourceInfo->m_pSource->m_pStats->m_pClipBandwidth->GetInt();
            ulPlayerCurBandwidth    += pSourceInfo->m_pSource->m_pStats->m_pCurBandwidth->GetInt();
            ulPlayerAvgBandwidth    += pSourceInfo->m_pSource->m_pStats->m_pAvgBandwidth->GetInt();

            lAvgLatency             += pSourceInfo->m_pSource->m_pStats->m_pAvgLatency->GetInt();

            if (lHighLatency < pSourceInfo->m_pSource->m_pStats->m_pHighLatency->GetInt())
            {
                lHighLatency = pSourceInfo->m_pSource->m_pStats->m_pHighLatency->GetInt();
            }

            if (lLowLatency > pSourceInfo->m_pSource->m_pStats->m_pLowLatency->GetInt())
            {
                lLowLatency = pSourceInfo->m_pSource->m_pStats->m_pLowLatency->GetInt();
            }

            if (uBufferingMode < (UINT16) pSourceInfo->m_pSource->m_pStats->m_pBufferingMode->GetInt())
            {
                uBufferingMode = (UINT16) pSourceInfo->m_pSource->m_pStats->m_pBufferingMode->GetInt();
            }

            if (pSourceInfo->m_pSource->m_pStatsManager)
            {
                pSourceInfo->m_pSource->m_pStatsManager->Copy();
            }
        }
    }

    bUpdate = SetIntIfNecessary(m_pStats->m_pTotal, (INT32)ulPlayerTotal);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pReceived, (INT32)ulPlayerReceived);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pNormal, (INT32)ulPlayerNormal);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pRecovered, (INT32)ulPlayerRecovered);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pDuplicate, (INT32)ulPlayerDuplicate);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pOutOfOrder, (INT32)ulPlayerOutOfOrder);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pLost, (INT32)ulPlayerLost);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pLate, (INT32)ulPlayerLate);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pTotal30, (INT32)ulPlayerTotal30);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pLost30, (INT32)ulPlayerLost30);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pResendRequested, (INT32)ulPlayerResendRequested);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pResendReceived, (INT32)ulPlayerResendReceived);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pClipBandwidth, (INT32)ulPlayerBandwidth);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pCurBandwidth, (INT32)ulPlayerCurBandwidth);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pAvgBandwidth, (INT32)ulPlayerAvgBandwidth);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pAvgLatency, (INT32)lAvgLatency);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pHighLatency, (INT32)lHighLatency);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pLowLatency, (INT32)lLowLatency);
    bUpdate |= SetIntIfNecessary(m_pStats->m_pBufferingMode, (INT32)uBufferingMode);

    if (bUpdate || m_bForceStatsUpdate)
    {
        if (m_pAdviseSink)
        {
            m_pAdviseSink->OnStatisticsChanged();
        }

        m_bForceStatsUpdate = FALSE;
    }

exit:
    if (!m_pUpdateStatsCallback->m_bIsCallbackPending && ALLFS != m_ulStatsGranularity)
    {
        m_pUpdateStatsCallback->m_bIsCallbackPending  = TRUE;
        m_pUpdateStatsCallback->m_PendingHandle = m_pScheduler->RelativeEnter(m_pUpdateStatsCallback,
                                                                m_ulStatsGranularity);
    }
#endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */

    return HXR_OK;
}


HX_RESULT
HXPlayer::SetupAudioPlayer()
{
    HX_RESULT theErr = HXR_OK;

    HX_ASSERT(m_bInitialized);

#if defined(THREADS_SUPPORTED) && !defined(_MAC_UNIX)
    if (m_bUseCoreThread && !m_pEngine->AtInterruptTime())
    {
        HX_ASSERT(m_pSetupCallback->GetPendingCallback() == 0);
        if (!m_pSetupCallback->GetPendingCallback())
        {
            m_pSetupCallback->CallbackScheduled(
            m_pScheduler->RelativeEnter(m_pSetupCallback, 0));
        }

        return HXR_OK;
    }
#endif /*_WIN32*/

    m_bSetupToBeDone = FALSE;

    PrepareAudioPlayer();

#if defined(THREADS_SUPPORTED) && !defined(_MAC_UNIX)
    if (m_bUseCoreThread && m_pEngine->AtInterruptTime())
    {
        m_pAudioPlayer->UseCoreThread();
    }