--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_akn/audiostreaming/src/cmmaaudiostreamratecontrol.cpp Wed Sep 01 12:33:18 2010 +0100
@@ -0,0 +1,114 @@
+/*
+* Copyright (c) 2002-2007 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: This class implements RateControl for HTTP stream audio player.
+*
+*/
+
+
+// INCLUDE FILES
+#include <jdebug.h>
+#include <e32base.h>
+
+#include "cmmaaudiostreamratecontrol.h"
+
+namespace
+{
+const TInt KErrorMessageSize = 32;
+_LIT(KErrDefaultError, "Symbian OS Error: %d");
+}
+
+CMMAAudioStreamRateControl* CMMAAudioStreamRateControl::NewL(CMMAAudioStreamPlayer* aPlayer)
+{
+ CMMAAudioStreamRateControl* self = new(ELeave) CMMAAudioStreamRateControl(aPlayer);
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ CleanupStack::Pop(self);
+ return self;
+}
+
+CMMAAudioStreamRateControl::~CMMAAudioStreamRateControl()
+{
+ DEBUG("MMA:CMMAAudioStreamRateControl::~CMMAAudioStreamRateControl");
+ if (iPlayer)
+ {
+ iPlayer->RemoveStateListener(this);
+ }
+}
+
+CMMAAudioStreamRateControl::CMMAAudioStreamRateControl(CMMAAudioStreamPlayer* aPlayer) :
+ iPlayer(aPlayer), iCurrentRate(KMMADefaultRate)
+{
+ DEBUG("MMA:CMMAAudioStreamRateControl::CMMAAudioStreamRateControl");
+}
+
+void CMMAAudioStreamRateControl::ConstructL()
+{
+ iPlayer->AddStateListenerL(this);
+}
+
+void CMMAAudioStreamRateControl::StateChanged(TInt aState)
+{
+ DEBUG("MMA:CMMAAudioStreamRateControl::StateChanged");
+ if (aState == CMMAPlayer::EStarted && iCurrentRate == KMMAMinRate)
+ {
+ // do not post event to Java or change player state
+ TInt err = iPlayer->Pause();
+ if (err != KErrNone)
+ {
+ DEBUG_INT("CMMAAudioStreamRateControl::StateChanged: Pause error %d", err);
+ TBuf<KErrorMessageSize> errorMessage;
+ errorMessage.Format(KErrDefaultError, err);
+ iPlayer->PostStringEvent(CMMAPlayerEvent::EError, errorMessage);
+ }
+ }
+}
+
+TInt CMMAAudioStreamRateControl::SetRateL(TInt aRate)
+{
+ DEBUG("MMA:CMMAAudioStreamRateControl::SetRateL");
+ TInt newRate;
+ if (aRate <= KMMAMinRate)
+ {
+ newRate = KMMAMinRate;
+ }
+ else
+ {
+ newRate = KMMADefaultRate;
+ }
+
+ if ((iPlayer->State() == CMMAPlayer::EStarted) &&
+ (newRate != iCurrentRate))
+ {
+ if (newRate == KMMAMinRate)
+ {
+ // do not post event to Java or change player state
+ User::LeaveIfError(iPlayer->Pause());
+ }
+ else
+ {
+ // do not post event to Java or change player state
+ iPlayer->StartL(ETrue);
+ }
+ }
+ iCurrentRate = newRate;
+ return iCurrentRate;
+}
+
+TInt CMMAAudioStreamRateControl::RateL()
+{
+ return iCurrentRate;
+}
+
+
+// END OF FILE