diff -r 951a5db380a0 -r d87d32eab1a9 videditor/ManualVideoEditor/src/SampleArrayHandler.cpp --- a/videditor/ManualVideoEditor/src/SampleArrayHandler.cpp Fri Jan 29 14:08:33 2010 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,163 +0,0 @@ -/* -* Copyright (c) 2010 Ixonos Plc. -* All rights reserved. -* This component and the accompanying materials are made available -* under the terms of the "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: -* Ixonos Plc -* -* Description: -* -*/ - - - -// INCLUDE FILES -// System includes -// User includes -#include - -#include "SampleArrayHandler.h" -#include "VideoEditorCommon.h" // Video Editor UID - -#include "VideoEditorDebugUtils.h" - -// ================= MEMBER FUNCTIONS ======================= -CSampleArrayHandler* CSampleArrayHandler::NewL() - { - CSampleArrayHandler* self = CSampleArrayHandler::NewLC(); - CleanupStack::Pop( self ); - return self; - } - -CSampleArrayHandler* CSampleArrayHandler::NewLC() - { - CSampleArrayHandler* self = new( ELeave )CSampleArrayHandler(); - CleanupStack::PushL( self ); - self->ConstructL(); - return self; - } - -void CSampleArrayHandler::ConstructL() - { - } - -CSampleArrayHandler::CSampleArrayHandler() - { - } - - -CSampleArrayHandler::~CSampleArrayHandler() - { - delete [] iVisualization; - } - -void CSampleArrayHandler::SetVisualizationArray(TInt8* aVisualization, TInt aResolution) - { - LOG( KVideoEditorLogFile, "CSampleArrayHandler::SetVisualizationArray, In" ); - iVisualization = aVisualization; - iVisualizationSize = aResolution; - - // for testing - /* for (TInt i = 0; i < iVisualizationSize; i++) - { - if (i == 127) - iVisualization[i] = i - 127; - else - iVisualization[i] = i; - } - */ - TInt8 temp = 0; // help variable used in finding the biggest current sample value - for ( TInt i = 0; i < iVisualizationSize; i++ ) - { - if ( iVisualization[i] > temp ) - { - temp = iVisualization[i]; - } - //LOGFMT2(KVideoEditorLogFile, "CSampleArrayHandler::SetVisualizationArray, SAMPLE[%d]:%d", i, iVisualization[i]); - } - iMaxSample = temp; - - iScaleFactor = 1.0; // TReal - LOG( KVideoEditorLogFile, "CSampleArrayHandler::SetVisualizationArray, Out" ); - } - -void CSampleArrayHandler::ScaleAudioVisualization( const TInt8& aNewMaxValue ) - { - if ( iVisualization && ( aNewMaxValue != iMaxSampleInCurrentScale )) - { - iMaxSampleInCurrentScale = aNewMaxValue; - if ( !Math::IsZero(( TReal64 )iMaxSampleInCurrentScale )) - { - iScaleFactor = ( TReal64 )iMaxSampleInCurrentScale / ( TReal64 )iMaxSample; - - } - - /* - //for testing - if (1 > coeff) - { - for (TInt i = 0; i < iVisualizationSize; i++) - { - LOGFMT(KVideoEditorLogFile, "before scaling:%d", iVisualization[i]); - iVisualization[i] *= coeff; - LOGFMT(KVideoEditorLogFile, "after scaling:%d", iVisualization[i]); - } - }*/ - } - } - -TInt8 CSampleArrayHandler::Sample( const TInt aIndex )const - { - // must be scaled down in order to fit into screen - if ( iScaleFactor < 1 ) - { - return (( iVisualization[aIndex]* 1000 )*( iScaleFactor* 1000 )) / 1000000; - - } - else - { - return iVisualization[aIndex]; - } - } - -TInt CSampleArrayHandler::Size()const - { - return iVisualizationSize; - } - -TInt CSampleArrayHandler::CurrentPoint()const - { - return iCurrentIndex; - } - -void CSampleArrayHandler::SetCurrentPoint(const TTimeIntervalMicroSeconds& aCurrentTime) - { - iCurrentTime = aCurrentTime; - iCurrentIndex = ( iCurrentTime.Int64() / 1000 ) / KAudioSampleInterval; - } - -void CSampleArrayHandler::SetCutInPoint(const TTimeIntervalMicroSeconds& aCutInTime) - { - iCutInTime = aCutInTime; - iCutInSampleIndex = ( iCutInTime.Int64() / 1000 ) / KAudioSampleInterval; - } - -void CSampleArrayHandler::SetCutOutPoint(const TTimeIntervalMicroSeconds& aCutOutTime) - { - iCutOutTime = aCutOutTime; - iCutOutSampleIndex = ( iCutOutTime.Int64() / 1000 ) / KAudioSampleInterval; - } - -TBool CSampleArrayHandler::SampleCutted( const TInt aIndex )const - { - return ( iCutInSampleIndex < aIndex ) && ( aIndex < iCutOutSampleIndex ); - } - -// End of File