vidstats.h
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:5k
- /* ***** 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 ***** */
- #ifndef __VIDSTATS_H__
- #define __VIDSTATS_H__
- /****************************************************************************
- * Includes
- */
- #include "hxtypes.h"
- #include "hxresult.h"
- #include "hxcom.h"
- #include "hxcomm.h"
- #include "hxbuffer.h"
- #include "hxmon.h"
- #include "statinfo.h"
- #include "rendstats.h"
- typedef enum
- {
- VS_REND_NAME = 0,
- VS_CODEC_4CC,
- VS_CODEC_NAME,
- VS_CODEC_VERSION,
- VS_CODEC_FRAMERATE,
- VS_CURRENT_FRAMERATE,
- VS_FRAMES_DISPLAYED,
- VS_FRAMES_DROPPED,
- VS_FRAMES_LOST,
- VS_SURESTREAM,
- VS_POSTFILTER,
- VS_CODECS,
- VS_CODECS_FRAMERATES,
- VS_IMAGE_WIDTH,
- VS_IMAGE_HEIGHT,
- VS_NUM_ENTRIES
- } VideoStatEntryID;
- class CVideoStatistics
- {
- public:
- /*
- * Costructor/Destructor
- */
- CVideoStatistics(IUnknown* pContext, ULONG32 ulNumIntervals = 2);
-
- ~CVideoStatistics();
-
- /*
- * Main Interface
- */
- HX_RESULT DisplayStats(UINT32 ulRegistryID);
- HX_RESULT SyncStats(ULONG32 ulTime);
- void ReportLostFrame(ULONG32 ulCount = 1)
- {
- m_Master.m_ulLostFrameCount += ulCount;
- }
-
- void ReportDroppedFrame(ULONG32 ulCount = 1)
- {
- m_Master.m_ulDroppedFrameCount += ulCount;
- }
-
- void ReportBlt(ULONG32 ulTime)
- {
- m_Master.m_ulBlitedFrameCount++;
- m_Master.m_ulLastFrameTimeStamp = ulTime;
- }
-
- HX_RESULT ReportStat(VideoStatEntryID eEntryID, const char* pVal)
- {
- return m_pDisplay->UpdateEntry((UINT32) eEntryID, pVal);
- }
-
- HX_RESULT ReportStat(VideoStatEntryID eEntryID, INT32 lVal)
- {
- return m_pDisplay->UpdateEntry((UINT32) eEntryID, lVal);
- }
- ULONG32 GetLastSyncTime(void)
- {
- return m_ulLastSyncTime;
- }
- void ResetSequence(void)
- {
- m_bStatsComputed = FALSE;
- m_ulStartIntervalIndex = 0;
- m_ulEndIntervalIndex = 0;
- }
- private:
- class VStatCounters
- {
- public:
- VStatCounters(void)
- : m_ulLostFrameCount(0)
- , m_ulDroppedFrameCount(0)
- , m_ulBlitedFrameCount(0)
- , m_ulLastFrameTimeStamp(0)
- {
- ;
- }
- ~VStatCounters()
- {
- ;
- }
- ULONG32 m_ulLostFrameCount;
- ULONG32 m_ulDroppedFrameCount;
- ULONG32 m_ulBlitedFrameCount;
- ULONG32 m_ulLastFrameTimeStamp;
- };
- HX_RESULT PrimeEntries(void);
- void ComputeStatistics(void);
- void AdvanceIndex(void)
- {
- m_ulEndIntervalIndex = (m_ulEndIntervalIndex + 1) % m_ulNumIntervalPoints;
- if (m_ulEndIntervalIndex == m_ulStartIntervalIndex)
- {
- m_ulStartIntervalIndex = (m_ulStartIntervalIndex + 1) % m_ulNumIntervalPoints;
- }
- }
- IHXRegistry* m_pRegistry;
- ULONG32 m_ulRegistryID;
- CRendererStatisticsDisplay* m_pDisplay;
- ULONG32 m_ulNumIntervalPoints;
- ULONG32 m_ulLastSyncTime;
-
- VStatCounters m_Master;
- VStatCounters* m_pPast;
- ULONG32 m_ulStartIntervalIndex;
- ULONG32 m_ulEndIntervalIndex;
- BOOL m_bStatsComputed;
- double m_fPercentFramesDisplayed; // % of arrived frames displayed
- double m_fFrameRate; // number of frames per second
- };
- #endif /* __VIDSTATS_H__ */