strminfo.cpp
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上传日期:2007-06-06
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文件大小:6k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 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
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (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.
- *
- * 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 "hlxclib/stdio.h"
- #include "hxresult.h"
- #include "ihxpckts.h"
- #include "chxeven.h"
- #include "chxelst.h"
- #include "strminfo.h"
- #include "hxsmbw.h"
- #include "hxcomm.h"
- #include "hxcore.h"
- #include "hxstrm.h"
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- /*
- * STREAM_INFO
- */
- STREAM_INFO::STREAM_INFO()
- {
- m_pHeader = NULL;
- m_bSrcStreamDone = FALSE;
- m_bSrcInfoStreamDone = FALSE;
- m_bSrcStreamFillingDone = FALSE;
- m_bSrcInfoStreamFillingDone = FALSE;
- m_bPacketRequested = FALSE;
- m_bCustomEndTime = FALSE;
- m_unNeeded = 0;
- m_unAvailable = 0;
- m_ulReceived = 0;
- m_ulLost = 0;
- m_pPostEndTimeEventList = NULL;
- #if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
- m_pStats = NULL;
- #endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */
- m_ulDelay = 0;
- m_pStreamProps = NULL;
- m_uStreamNumber = 0;
- m_ulDuration = 0;
- m_ulTimeBeforeSeek = 0;
- m_ulTimeAfterSeek = 0;
- m_pStream = NULL;
- m_bCanBeStoppedAnyTime = FALSE;
- // reconnect stuff
- m_pPreReconnectEventList = NULL;
- m_pPosReconnectEventList = NULL;
- m_bReconnectToBeDone = FALSE;
- m_ulReconnectOverlappedPackets = 0;
- };
- STREAM_INFO::~STREAM_INFO()
- {
- ResetPostEndTimeEventList();
- ResetPreReconnectEventList();
- ResetPosReconnectEventList();
- if (m_pStreamProps)
- {
- m_pStreamProps->Release();
- m_pStreamProps = 0;
- }
- if (m_pHeader)
- {
- m_pHeader->Release();
- m_pHeader = 0;
- }
- HX_RELEASE(m_pStream);
- /* Reason we do not delete m_pStats here is because
- * in FileSource we create/delete it while in NetSource
- * case, Protocol creates/deletes it
- */
- /*
- if (m_pStats)
- {
- delete m_pStats;
- m_pStats = 0;
- }
- */
- while (m_EventList.GetNumEvents() > 0)
- {
- CHXEvent* pEvent = m_EventList.RemoveHead();
- HX_DELETE (pEvent);
- }
- };
- void
- STREAM_INFO::ResetPostEndTimeEventList()
- {
- if (m_pPostEndTimeEventList)
- {
- while (m_pPostEndTimeEventList->GetNumEvents() != 0)
- {
- CHXEvent* pEvent = (CHXEvent*)m_pPostEndTimeEventList->RemoveHead();
- HX_DELETE(pEvent);
- }
- m_pPostEndTimeEventList->RemoveAll();
- HX_DELETE(m_pPostEndTimeEventList);
- }
- return;
- }
- void
- STREAM_INFO::ResetPreReconnectEventList()
- {
- if (m_pPreReconnectEventList)
- {
- while (m_pPreReconnectEventList->GetCount() > 0)
- {
- UINT32* pPacketTime = (UINT32*)m_pPreReconnectEventList->RemoveHead();
- HX_DELETE (pPacketTime);
- }
- HX_DELETE(m_pPreReconnectEventList);
- }
- return;
- }
- void
- STREAM_INFO::ResetPosReconnectEventList()
- {
- if (m_pPosReconnectEventList)
- {
- while (m_pPosReconnectEventList->GetNumEvents() > 0)
- {
- CHXEvent* pEvent = m_pPosReconnectEventList->RemoveHead();
- HX_DELETE (pEvent);
- }
- HX_DELETE(m_pPosReconnectEventList);
- }
- return;
- }
- void STREAM_INFO::UpdateStartTimes(UINT32 ulStartTime)
- {
- LISTPOSITION position = m_EventList.GetHeadPosition();
- ULONG32 ulMinPrerollInMs = m_bufferingState.GetMinPrerollInMs();
- while (position != NULL)
- {
- CHXEvent* theEvent = m_EventList.GetNext(position);
- IHXPacket* pPacket = theEvent->GetPacket();
- UINT32 ulPacketTime = pPacket->GetTime();
- UINT32 ulEventStartTime = 0;
-
- if (ulStartTime < ulPacketTime)
- {
- ulPacketTime -= ulStartTime;
- }
- else
- {
- ulPacketTime = 0;
- }
-
-
- if (ulPacketTime > ulMinPrerollInMs)
- {
- ulEventStartTime = ulPacketTime - ulMinPrerollInMs;
- }
-
- theEvent->SetTimeStartPos(ulEventStartTime);
- }
- }
- /*
- * RTSP_STREAM_INFO
- */
- RTSP_STREAM_INFO::RTSP_STREAM_INFO()
- {
- m_ulClipBandwidth = 0;
- m_uStreamNumber = 0;
- #if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
- m_pStreamStats = 0;
- #endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */
- }
- RTSP_STREAM_INFO::~RTSP_STREAM_INFO()
- {
- #if defined(HELIX_FEATURE_STATS) && defined(HELIX_FEATURE_REGISTRY)
- HX_DELETE(m_pStreamStats);
- #endif /* HELIX_FEATURE_STATS && HELIX_FEATURE_REGISTRY */
- }