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vidstats.cpp
Package: 142_61_thumb_advanced.rar [view]
Upload User: dangjiwu
Upload Date: 2013-07-19
Package Size: 42019k
Code Size: 9k
Category:
Symbian
Development Platform:
Visual C++
- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: vidstats.cpp,v 1.3.20.1 2004/07/09 01:55:01 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 ***** */
- /****************************************************************************
- * Defines
- */
- #define MAX_FLOAT_STRING_LENGTH 35
- /****************************************************************************
- * Includes
- */
- #include <stdio.h>
- #include "rendstats.h"
- #include "vidstats.h"
- #include "hxstrutl.h"
- /****************************************************************************
- * CVideoStatistics
- */
- /****************************************************************************
- * Costructor/Destructor
- */
- CVideoStatistics::CVideoStatistics(IUnknown* pContext,
- ULONG32 ulNumIntervals)
- : m_pRegistry(NULL)
- , m_pDisplay(NULL)
- , m_ulLastSyncTime(0)
- , m_ulNumIntervalPoints(ulNumIntervals + 1)
- , m_pPast(NULL)
- , m_ulStartIntervalIndex(0)
- , m_ulEndIntervalIndex(0)
- , m_bStatsComputed(FALSE)
- , m_fPercentFramesDisplayed(0.0)
- , m_fFrameRate(0.0)
- {
- pContext->QueryInterface(IID_IHXRegistry, (void**)&m_pRegistry);
- HX_ASSERT(m_ulNumIntervalPoints > 0);
- if (m_ulNumIntervalPoints > 0)
- {
- m_pPast = new VStatCounters [m_ulNumIntervalPoints];
- HX_ASSERT(m_pPast);
- }
- m_pDisplay = new CRendererStatisticsDisplay(m_pRegistry,
- (UINT32) VS_NUM_ENTRIES);
- HX_ASSERT(m_pDisplay);
- PrimeEntries();
- }
- CVideoStatistics::~CVideoStatistics()
- {
- HX_DELETE(m_pDisplay);
- HX_VECTOR_DELETE(m_pPast);
- HX_RELEASE(m_pRegistry);
- }
- /****************************************************************************
- * PrimeEntries
- */
- HX_RESULT CVideoStatistics::PrimeEntries(void)
- {
- HX_RESULT retVal = HXR_FAIL;
- if (m_pDisplay)
- {
- m_pDisplay->PrimeEntry((UINT32) VS_REND_NAME, "Name", REG_TYPE_STRING);
- m_pDisplay->PrimeEntry((UINT32) VS_CODEC_NAME, "CodecName", REG_TYPE_STRING);
- m_pDisplay->PrimeEntry((UINT32) VS_CODEC_4CC, "CodecFourCC", REG_TYPE_STRING);
- m_pDisplay->PrimeEntry((UINT32) VS_CODEC_VERSION, "CodecVersion", REG_TYPE_NUMBER);
- m_pDisplay->PrimeEntry((UINT32) VS_CODEC_FRAMERATE, "CodecFrameRate", REG_TYPE_NUMBER);
- m_pDisplay->PrimeEntry((UINT32) VS_CURRENT_FRAMERATE, "CurrentFrameRate", REG_TYPE_STRING);
- m_pDisplay->PrimeEntry((UINT32) VS_FRAMES_DISPLAYED, "FramesDisplayed", REG_TYPE_STRING);
- m_pDisplay->PrimeEntry((UINT32) VS_FRAMES_DROPPED, "FramesDropped", REG_TYPE_NUMBER);
- m_pDisplay->PrimeEntry((UINT32) VS_FRAMES_LOST, "FramesLost", REG_TYPE_NUMBER);
- m_pDisplay->PrimeEntry((UINT32) VS_SURESTREAM, "SureStream", REG_TYPE_STRING);
- m_pDisplay->PrimeEntry((UINT32) VS_POSTFILTER, "CodecPostFilter", REG_TYPE_NUMBER);
- m_pDisplay->PrimeEntry((UINT32) VS_CODECS, "CodecsSuite", REG_TYPE_STRING);
- m_pDisplay->PrimeEntry((UINT32) VS_CODECS_FRAMERATES, "CodecsFrameRates", REG_TYPE_STRING);
- m_pDisplay->PrimeEntry((UINT32) VS_IMAGE_WIDTH, "ImageWidth", REG_TYPE_NUMBER);
- m_pDisplay->PrimeEntry((UINT32) VS_IMAGE_HEIGHT, "ImageHeight", REG_TYPE_NUMBER);
- retVal = HXR_OK;
- }
- return retVal;
- }
- /****************************************************************************
- * UpdateStatistics
- */
- HX_RESULT CVideoStatistics::DisplayStats(UINT32 ulRegistryID)
- {
- HX_RESULT retVal = HXR_FAIL;
- if (m_pDisplay && (ulRegistryID != 0))
- {
- retVal = HXR_OK;
- }
- // Perform any outstanding updates
- if (SUCCEEDED(retVal))
- {
- if (m_bStatsComputed)
- {
- char pValBuffer[MAX_FLOAT_STRING_LENGTH];
- m_bStatsComputed = FALSE;
- sprintf(pValBuffer, "%.1f", m_fFrameRate);
- ReportStat(VS_CURRENT_FRAMERATE, pValBuffer);
- SafeSprintf(pValBuffer, MAX_FLOAT_STRING_LENGTH, "%.1f", m_fPercentFramesDisplayed);
- ReportStat(VS_FRAMES_DISPLAYED, pValBuffer);
- }
- ReportStat(VS_FRAMES_DROPPED, m_Master.m_ulDroppedFrameCount);
- ReportStat(VS_FRAMES_LOST, m_Master.m_ulLostFrameCount);
- }
- // Refresh Display
- if (SUCCEEDED(retVal))
- {
- m_pDisplay->RefreshEntries(ulRegistryID);
- }
- return HXR_OK;
- }
- /****************************************************************************
- * SyncStats
- */
- HX_RESULT CVideoStatistics::SyncStats(ULONG32 ulTime)
- {
- ULONG32 ulLostFrameCount = m_Master.m_ulLostFrameCount;
- ULONG32 ulDroppedFrameCount = m_Master.m_ulDroppedFrameCount;
- ULONG32 ulBlitedFrameCount = m_Master.m_ulBlitedFrameCount;
- ULONG32 ulLastFrameTimeStamp = m_Master.m_ulLastFrameTimeStamp;
- VStatCounters* pNewStats = &(m_pPast[m_ulEndIntervalIndex]);
- pNewStats->m_ulLostFrameCount = ulLostFrameCount;
- pNewStats->m_ulDroppedFrameCount = ulDroppedFrameCount;
- pNewStats->m_ulBlitedFrameCount = ulBlitedFrameCount;
- pNewStats->m_ulLastFrameTimeStamp = ulLastFrameTimeStamp;
- m_ulLastSyncTime = ulTime;
- ComputeStatistics();
- AdvanceIndex();
- return HXR_OK;
- }
- /****************************************************************************
- * UpdateStatistics
- */
- void CVideoStatistics::ComputeStatistics(void)
- {
- if (m_ulStartIntervalIndex != m_ulEndIntervalIndex)
- {
- ULONG32 ulIntervalLostFrameCount =
- m_pPast[m_ulEndIntervalIndex].m_ulLostFrameCount -
- m_pPast[m_ulStartIntervalIndex].m_ulLostFrameCount;
- ULONG32 ulIntervalDroppedFrameCount =
- m_pPast[m_ulEndIntervalIndex].m_ulDroppedFrameCount -
- m_pPast[m_ulStartIntervalIndex].m_ulDroppedFrameCount;
- ULONG32 ulIntervalBlitedFrameCount =
- m_pPast[m_ulEndIntervalIndex].m_ulBlitedFrameCount -
- m_pPast[m_ulStartIntervalIndex].m_ulBlitedFrameCount;
- ULONG32 ulIntervalTime =
- m_pPast[m_ulEndIntervalIndex].m_ulLastFrameTimeStamp -
- m_pPast[m_ulStartIntervalIndex].m_ulLastFrameTimeStamp;
- ULONG32 ulIntervalTotalFrames = ulIntervalLostFrameCount +
- ulIntervalDroppedFrameCount +
- ulIntervalBlitedFrameCount;
- if (ulIntervalTime != 0)
- {
- m_fFrameRate = ((double) ulIntervalBlitedFrameCount) *
- 1000.0 /
- ((double) ulIntervalTime);
- }
- if (ulIntervalTotalFrames != 0)
- {
- m_fPercentFramesDisplayed = ((double) ulIntervalBlitedFrameCount) *
- 100.0 /
- ((double) ulIntervalTotalFrames);
- }
- else
- {
- m_fPercentFramesDisplayed = 100.0;
- }
- m_bStatsComputed = TRUE;
- }
- }