diff -r 0fd27995241b -r 9ac0a0a7da70 javauis/amms_qt/mmacontrol/src.mmf/cammspancontrol.cpp --- a/javauis/amms_qt/mmacontrol/src.mmf/cammspancontrol.cpp Tue May 11 16:07:20 2010 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,164 +0,0 @@ -/* -* Copyright (c) 2005-2007 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: Manipulates the panning of a Player in the stereo output mix. -* -*/ - - - -// INCLUDE FILES -#include -#include -#include -#include "CAMMSPanControl.h" - - -#ifdef _DEBUG -// CONSTANTS -const TInt KAMMSMaxPanning = 100; -const TInt KAMMSMinPanning = -100; -#endif // _DEBUG - -// ============================ MEMBER FUNCTIONS =============================== - -// ----------------------------------------------------------------------------- -// CAMMSPanControl::NewLC -// Two-phased constructor. -// ----------------------------------------------------------------------------- -CAMMSPanControl* CAMMSPanControl::NewLC(CMMAPlayer* aPlayer) -{ - CAMMSPanControl* self = new(ELeave) CAMMSPanControl(aPlayer); - - CleanupStack::PushL(self); - - self->ConstructL(); - - return self; -} - -// Destructor -CAMMSPanControl::~CAMMSPanControl() -{ - delete iRMMFAudioPlayDeviceCustomCommands; -} - -// ----------------------------------------------------------------------------- -// CAMMSPanControl::PanL -// Gets the current panning set. -// ----------------------------------------------------------------------------- -// -TInt CAMMSPanControl::PanL() -{ - TInt balance = KMMFBalanceCenter; - - // In case of MIDIPlayer, use CMidiClientUtility, otherwise RMMFController. - if (iMidiClientUtility) - { - // Get the current stereo balance value. - - balance = iMidiClientUtility->GetBalanceL(); - } - else - { - // Gets the balance between the left and right stereo audio channels. - - User::LeaveIfError( - iRMMFAudioPlayDeviceCustomCommands->GetBalance(balance)); - } - LOG1( EJavaAMMS, EInfo, "AMMS::CAMMSPanControl::PanL called, native GetBalance = %d", - balance); - - return balance; -} - -// ----------------------------------------------------------------------------- -// CAMMSPanControl::SetPanL -// Sets the panning using a linear point scale (-100 - +100). -// ----------------------------------------------------------------------------- -// -TInt CAMMSPanControl::SetPanL(TInt aPan) -{ - LOG1( EJavaAMMS, EInfo, "AMMS::CAMMSPanControl::SetPanL: Pan = %d", aPan); - - // Check in debug build that aPan is within valid range. - __ASSERT_DEBUG( - (aPan <= KAMMSMaxPanning) && - (aPan >= KAMMSMinPanning), - User::Invariant()); - - // In case of MIDIPlayer, use CMidiClientUtility, otherwise RMMFController. - if (iMidiClientUtility) - { - // Set the current stereo balance value. - // Defaults to KMMFBalanceCenter to restore equal left-right balance. - - iMidiClientUtility->SetBalanceL(aPan); - } - else - { - // Sets the balance between the left and right stereo audio channels - // Use a value between KMMFBalanceMaxLeft and KMMFBalanceMaxRight. - // Centre balance can be restored by using KMMFBalanceCenter. - - User::LeaveIfError( - iRMMFAudioPlayDeviceCustomCommands->SetBalance(aPan)); - } - - return PanL(); -} - - -const TDesC& CAMMSPanControl::ClassName() const -{ - return KAMMSPanControl; -} - -// ----------------------------------------------------------------------------- -// CAMMSPanControl::ConstructL -// Symbian 2nd phase constructor can leave. -// ----------------------------------------------------------------------------- -void CAMMSPanControl::ConstructL() -{ - LOG( EJavaAMMS, EInfo, "AMMS::CAMMSPanControl::ConstructL"); - - if (iPlayer->Type() == KMMAMIDIPlayer) - { - // In case of CMMAMIDIPlayer use CMidiClientUtility - CMMAMIDIPlayer* mmaMIDIPlayer = - reinterpret_cast< CMMAMIDIPlayer* >(iPlayer); - - iMidiClientUtility = mmaMIDIPlayer->MidiClient(); - } - else - { - CMMAAudioPlayer* mmaAudioPlayer = - reinterpret_cast< CMMAAudioPlayer* >(iPlayer); - - RMMFController& mmfController = mmaAudioPlayer->Controller(); - - iRMMFAudioPlayDeviceCustomCommands = - new(ELeave) RMMFAudioPlayDeviceCustomCommands(mmfController); - } -} - -// ----------------------------------------------------------------------------- -// CAMMSPanControl::CAMMSPanControl -// C++ default constructor can NOT contain any code, that -// might leave. -// ----------------------------------------------------------------------------- -CAMMSPanControl::CAMMSPanControl(CMMAPlayer* aPlayer) - : CAMMSControl(aPlayer) -{ -} -// End of File