nxtgrmgr.cpp
上传用户:dangjiwu
上传日期:2013-07-19
资源大小:42019k
文件大小:13k
- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: nxtgrmgr.cpp,v 1.3.32.1 2004/07/09 02:05:58 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 "hxresult.h"
- #include "hxgroup.h"
- #include "hxcore.h"
- #include "hxengin.h"
- #include "hxslist.h"
- #include "hxstring.h"
- #include "hxplay.h"
- #include "hxbsrc.h"
- #include "hxsrc.h"
- #include "nxtgrmgr.h"
- #include "srcinfo.h"
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- NextGroupManager::NextGroupManager(HXPlayer* pPlayer)
- : m_pPlayer(NULL)
- , m_pInterruptState(NULL)
- , m_pSourceList(NULL)
- , m_LastError(HXR_OK)
- , m_uGroupNumber(0)
- , m_pGroup(NULL)
- , m_pErrorSource(NULL)
- , m_bStopPrefetch(FALSE)
- {
- m_pPlayer = pPlayer;
- m_pSourceList = new CHXSimpleList;
- m_UserString = "";
- m_pPlayer->AddRef();
- }
- NextGroupManager::~NextGroupManager()
- {
- Cleanup();
- HX_RELEASE(m_pPlayer);
- HX_RELEASE(m_pInterruptState);
- HX_DELETE(m_pSourceList);
- m_pSourceList = 0;
- }
- void
- NextGroupManager::Init()
- {
- m_pPlayer->QueryInterface(IID_IHXInterruptState, (void**) &m_pInterruptState);
- }
- HX_RESULT
- NextGroupManager::SetCurrentGroup(UINT16 uGroupNumber, IHXGroup* pGroup)
- {
- Cleanup();
- m_uGroupNumber = uGroupNumber;
- m_pGroup = pGroup;
- m_pGroup->AddRef();
- return HXR_OK;
- }
- HX_RESULT
- NextGroupManager::GetCurrentGroup(UINT16& uCurrentGroup, IHXGroup*& pGroup)
- {
- if (m_pGroup)
- {
- uCurrentGroup = m_uGroupNumber;
- pGroup = m_pGroup;
- pGroup->AddRef();
- return HXR_OK;
- }
- return HXR_NO_DATA;
- }
- HX_RESULT
- NextGroupManager::AddSource(SourceInfo* pSourceInfo)
- {
- HX_ASSERT(pSourceInfo);
-
- m_pSourceList->AddTail(pSourceInfo);
- return HXR_OK;
- }
- UINT16
- NextGroupManager::GetNumSources(void)
- {
- return m_pSourceList->GetCount();
- }
- HX_RESULT
- NextGroupManager::GetSource(UINT16 uIndex, SourceInfo*& pSourceInfo)
- {
- HX_ASSERT(uIndex < m_pSourceList->GetCount());
- LISTPOSITION lPos = m_pSourceList->FindIndex((int) uIndex);
- if (!lPos)
- {
- pSourceInfo = NULL;
- return HXR_INVALID_PARAMETER;
- }
- pSourceInfo = (SourceInfo*) m_pSourceList->GetAt(lPos);
- return HXR_OK;
- }
-
- HX_RESULT
- NextGroupManager::RemoveSource(SourceInfo* pSourceInfo)
- {
- BOOL bFound = FALSE;
- UINT16 nIndex = 0;
- LISTPOSITION lPos = 0;
- CHXSimpleList::Iterator ndx = m_pSourceList->Begin();
- for (; ndx != m_pSourceList->End(); ++ndx, nIndex++)
- {
- SourceInfo* pSrcInfo = (SourceInfo*) (*ndx);
- if (pSrcInfo == pSourceInfo)
- {
- bFound = TRUE;
- break;
- }
- }
- if (bFound)
- {
- lPos = m_pSourceList->FindIndex(nIndex);
- m_pSourceList->RemoveAt(lPos);
- }
- m_LastError = HXR_OK;
- return HXR_OK;
- }
- HX_RESULT
- NextGroupManager::RemoveSource(UINT16 uIndex, SourceInfo*& pSourceInfo)
- {
- HX_ASSERT(uIndex < m_pSourceList->GetCount());
- LISTPOSITION lPos = m_pSourceList->FindIndex((int) uIndex);
- if (!lPos)
- {
- pSourceInfo = NULL;
- return HXR_INVALID_PARAMETER;
- }
- pSourceInfo = (SourceInfo*) m_pSourceList->RemoveAt(lPos);
- return HXR_OK;
- }
- void
- NextGroupManager::RemoveAllSources(void)
- {
- m_pSourceList->RemoveAll();
- }
-
- HX_RESULT
- NextGroupManager::ProcessIdle(void)
- {
- UINT32 ulDuration = 0;
- UINT32 ulDelay = 0;
- if (m_bStopPrefetch)
- {
- return HXR_OK;
- }
- HX_RESULT theErr = HXR_OK;
- CHXSimpleList::Iterator ndx = m_pSourceList->Begin();
- for (; !m_LastError && !theErr && ndx != m_pSourceList->End(); ++ndx)
- {
- SourceInfo* pSourceInfo = (SourceInfo*)(*ndx);
- if (!pSourceInfo->m_pSource)
- {
- continue;
- }
- if (pSourceInfo->m_bToBeResumed &&
- pSourceInfo->m_pSource->IsInitialized() &&
- !m_pInterruptState->AtInterruptTime())
- {
- if (!pSourceInfo->m_bIsTrackDurationSet)
- {
- if (pSourceInfo->m_pRendererAdviseSink)
- {
- ulDuration = pSourceInfo->m_pSource->GetDuration();
- ulDelay = pSourceInfo->m_pSource->GetDelay();
- //Fixes PR 27831: make sure the total track dur is
- // being set for all groups otherwise a duration of
- // 0 results and SMIL's time-bounds checking for
- // whether or not a hyperlink is active always
- // results in false (for non-fill="freeze" sources).
- // This line is copied from SourceInfo::SetupRenderer()
- // inside its
- // if (!m_bIsTrackDurationSet)
- // block of code:
- pSourceInfo->m_ulTrackDuration = pSourceInfo->m_pSource->GetDuration();
- pSourceInfo->m_pRendererAdviseSink->
- TrackDurationSet(pSourceInfo->m_uGroupID,
- pSourceInfo->m_uTrackID,
- ulDuration,
- ulDelay,
- pSourceInfo->m_pSource->IsLive());
- //Moved this inside the if() because that's what makes
- // sense; if the above if did not get entered, then we
- // didn't call TrackDurationSet() and thus we shouldn't
- // set the following BOOL to TRUE outside the if:
- pSourceInfo->m_bIsTrackDurationSet = TRUE;
- }
- theErr = pSourceInfo->SetupStreams();
- }
- if (pSourceInfo->m_pSource &&
- (pSourceInfo->m_pSource->CanBeResumed() ||
- (pSourceInfo->m_pSource->IsDelayed() && pSourceInfo->m_pSource->TryResume())))
- {
- pSourceInfo->m_bToBeResumed = FALSE;
- pSourceInfo->Register();
- m_pPlayer->RegisterSourcesDone();
- theErr = pSourceInfo->m_pSource->DoResume();
- }
- }
- if (pSourceInfo->m_bToBeResumed || !pSourceInfo->m_pSource->IsPreBufferingDone()
- || pSourceInfo->m_pSource->IsLive())
- {
- theErr = pSourceInfo->m_pSource->ProcessIdle();
- }
- else
- {
- pSourceInfo->m_pSource->DoPause();
- }
- }
- if (theErr && !m_LastError)
- {
- m_LastError = theErr;
- }
- return HXR_OK;
- }
- BOOL
- NextGroupManager::ReportError(HXSource* pSource, HX_RESULT theErr,
- const char* pUserString)
- {
- CHXSimpleList::Iterator ndx = m_pSourceList->Begin();
- for (; ndx != m_pSourceList->End(); ++ndx)
- {
- SourceInfo* pSourceInfo = (SourceInfo*) (*ndx);
- if (pSourceInfo->m_pSource == pSource)
- {
- m_LastError = theErr;
- m_UserString = pUserString;
- m_pErrorSource = pSource;
- return TRUE;
- }
- }
- return FALSE;
- }
- HX_RESULT
- NextGroupManager::CanBeStarted(HXSource* pSource, SourceInfo* pThisSourceInfo)
- {
- UINT32 ulDelay = pSource->GetDelay();
- if (ulDelay == 0 || !pThisSourceInfo)
- {
- return TRUE;
- }
- CHXSimpleList::Iterator ndxSources = m_pSourceList->Begin();
- /* Check if we are done. This may be TRUE for empty files */
- for (; ndxSources != m_pSourceList->End(); ++ndxSources)
- {
- SourceInfo* pSourceInfo = (SourceInfo*) (*ndxSources);
- if (!pSourceInfo->m_pSource ||
- pSourceInfo->m_pSource->IsSourceDone() ||
- !pSourceInfo->m_pSource->IsInitialized())
- {
- continue;
- }
- #ifdef SEQ_DEPENDENCY
- int iRetVal = 0;
- if (!pSourceInfo->m_pSource->IsLive() &&
- IsDependent(pThisSourceInfo, pSourceInfo) &&
- !pSourceInfo->m_pSource->IsSourceDone())
- {
- return FALSE;
- }
- #else
- if (!pSourceInfo->m_pSource->IsLive() &&
- pSourceInfo->m_pSource->GetDuration() <= ulDelay &&
- !pSourceInfo->m_pSource->IsSourceDone())
- {
- return FALSE;
- }
- #endif /*SEQ_DEPENDENCY*/
-
- }
- return TRUE;
- }
-
- BOOL
- NextGroupManager::Lookup(HXSource* pSource, SourceInfo*& pSourceInfo)
- {
- BOOL bResult = FALSE;
- pSourceInfo = NULL;
- CHXSimpleList::Iterator ndx = m_pSourceList->Begin();
- for (; ndx != m_pSourceList->End(); ++ndx)
- {
- SourceInfo* pSrcInfo = (SourceInfo*) (*ndx);
- if (pSrcInfo->m_pSource == pSource)
- {
- pSourceInfo = pSrcInfo;
- bResult = TRUE;
- break;
- }
- }
- return bResult;
- }
- void
- NextGroupManager::Cleanup(void)
- {
- CHXSimpleList::Iterator ndx = m_pSourceList->Begin();
- for (; ndx != m_pSourceList->End(); ++ndx)
- {
- SourceInfo* pSourceInfo = (SourceInfo*) (*ndx);
-
- pSourceInfo->Stop();
- pSourceInfo->CloseRenderers();
- HX_RELEASE(pSourceInfo->m_pStatus);
- if (pSourceInfo->m_pSource)
- {
- // cleanup (i.e. registry)
- pSourceInfo->m_pSource->DoCleanup();
- pSourceInfo->m_pSource->Release();
- pSourceInfo->m_pSource = 0;
- }
- delete pSourceInfo;
- }
- m_pSourceList->RemoveAll();
- HX_RELEASE(m_pGroup);
- m_LastError = HXR_OK;
- m_UserString = "";
- m_pErrorSource = NULL;
- m_bStopPrefetch = FALSE;
- }
- void
- NextGroupManager::SetLastError(HX_RESULT theErr, HXSource* pSource, char* pUserString)
- {
- if (!m_LastError)
- {
- m_LastError = theErr;
- m_pErrorSource = pSource;
- m_UserString = pUserString;
- }
- }
- void
- NextGroupManager::StopPreFetch()
- {
- if (m_bStopPrefetch)
- {
- return;
- }
- m_bStopPrefetch = TRUE;
- CHXSimpleList::Iterator ndx = m_pSourceList->Begin();
- for (; ndx != m_pSourceList->End(); ++ndx)
- {
- SourceInfo* pSourceInfo = (SourceInfo*)(*ndx);
- if (!pSourceInfo->m_pSource)
- {
- continue;
- }
- if (!pSourceInfo->m_bToBeResumed)
- {
- pSourceInfo->m_bToBeResumed = TRUE;
- pSourceInfo->m_pSource->DoPause();
- pSourceInfo->UnRegister();
- }
- }
- }
- void
- NextGroupManager::ContinuePreFetch()
- {
- m_bStopPrefetch = FALSE;
- }
- HX_RESULT
- NextGroupManager::AddRepeatTrack(UINT16 uTrackIndex, IHXValues* pTrack)
- {
- SourceInfo* pSourceInfo = NULL;
- if (HXR_OK == GetSourceInfo(uTrackIndex, pSourceInfo) && pSourceInfo)
- {
- return pSourceInfo->AppendRepeatRequest(uTrackIndex, pTrack);
- }
- else
- {
- HX_ASSERT(FALSE);
- return HXR_UNEXPECTED;
- }
- }
- HX_RESULT
- NextGroupManager::GetSourceInfo(UINT16 uTrackIndex, SourceInfo*& pSourceInfo)
- {
- HX_RESULT hr = HXR_OK;
- SourceInfo* pTempSourceInfo = NULL;
- CHXSimpleList::Iterator ndxSource;
- pSourceInfo = NULL;
- if (m_pSourceList)
- {
- // find the sourceinfo
- ndxSource = m_pSourceList->Begin();
- for (; ndxSource != m_pSourceList->End(); ++ndxSource)
- {
- pTempSourceInfo = (SourceInfo*)(*ndxSource);
- if (pTempSourceInfo->m_uTrackID == uTrackIndex)
- {
- pSourceInfo = pTempSourceInfo;
- break;
- }
- }
- }
- return hr;
- }