camerauis/cameraapp/generic/src/camvideotime.cpp
changeset 19 d9aefe59d544
parent 3 8b2d6d0384b0
child 21 fa6d9f75d6a6
child 28 3075d9b614e6
--- a/camerauis/cameraapp/generic/src/camvideotime.cpp	Tue Feb 02 00:01:39 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,127 +0,0 @@
-/*
-* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). 
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:  Implementation of Dynamic Configuration
-*
-*/
-
-
-#include "camvideotime.h"
-
-const TReal   KMetaDataCoeff         = 1.03;      // Coefficient to estimate metadata amount
-const TUint   KCamCMaxClipDurationInSecs = 5400;  // Maximun video clip duration in seconds
-const TReal   KCMRAvgVideoBitRateScaler = 0.9;
-const TUint   KDiskSafetyLimit       = 400000;    // Amount of free disk space to leave unused
-
-// -----------------------------------------------------------------------------
-// TCamVideoTime::TCamVideoTime
-//
-// Constructor
-// -----------------------------------------------------------------------------
-//
-TCamVideoTime::TCamVideoTime( TInt64 aDiskSpace,
-                              TInt64 aCriticalLimit,             
-                              TInt   aVideoBitRate,
-                              TInt   aAudioBitRate,
-                              TUint  aSizeLimit,
-                              TBool  aMuteAudio,
-                              TReal  aBitrateScaler )
-    {
-
-    // Video bitrate scaler - if not given, use default
-    TReal scaler = KCMRAvgVideoBitRateScaler;
-    if( aBitrateScaler != 0 )
-      {
-      scaler = aBitrateScaler;
-      }
-     
-    // Init bitrates    
-    iVideoAverageBitRate = static_cast<TInt>( aVideoBitRate * scaler );
-    iAudioAverageBitRate = aAudioBitRate;  
-          
-    if( aMuteAudio )
-      {  
-      iAudioAverageBitRate = 0;
-      }      
-        
-    // Calculate available disk space, taking into account safety limit
-    // and disk critical level limit
-    iAvailableSpaceAtStart = aDiskSpace - KDiskSafetyLimit - aCriticalLimit;
-    if( iAvailableSpaceAtStart <= 0 )
-      {
-      iAvailableSpaceAtStart = 0;
-      }
-    
-    // File size limit
-    iSizeLimit = aSizeLimit;           
-    }               
-
-
-
-// -----------------------------------------------------------------------------
-// TCamVideoTime::GetRemainingTimeL - from CamC3GPDataSinkImp.cpp 
-//
-// Return the estimated remaining time for the recording in microseconds.
-// This method takes into account the file size and disk full restrictions.
-// -----------------------------------------------------------------------------
-//
-TTimeIntervalMicroSeconds TCamVideoTime::GetRemainingTimeL()
-    {
-    TTimeIntervalMicroSeconds  remaining;
-    TInt64 availableSpace;
-    TBool remainingFromSizeLimit = EFalse;                   
-
-    if (iSizeLimit && ( (TInt64)iSizeLimit < iAvailableSpaceAtStart ) )
-        {
-        // use sizelimit as available space.
-        remainingFromSizeLimit = ETrue;
-        }
-
-    // Use average audio/video bitrates to estimate remaining time
-    TUint  averageBitRate;
-    TUint  averageByteRate;
-
-    averageBitRate = (TUint)((iVideoAverageBitRate + iAudioAverageBitRate) * KMetaDataCoeff);
-    averageByteRate = averageBitRate / 8;
-
-    if (remainingFromSizeLimit)
-        {
-        availableSpace = iSizeLimit;
-        }
-    else
-        {
-        availableSpace = iAvailableSpaceAtStart;
-        }
-
-    if (availableSpace <= 0)
-        {
-        remaining = 0;
-        }
-    else
-        {
-        remaining = availableSpace * 1000000 / averageByteRate; // 1000000 is for conversion between microseconds and seconds
-
-        if ( (remaining.Int64()) > (TInt64(KCamCMaxClipDurationInSecs)*1000000) )
-            {
-            remaining = (TInt64(KCamCMaxClipDurationInSecs)*1000000);
-            }
-        }
-
-    if ( remaining <= TInt64(0) )
-        {
-        remaining = 0;
-        }
-    return remaining;
-    }
-
-// End of file