mmfenh/advancedaudiocontroller/audiocontrollerpluginsvariant/mp3audioplaycontroller/Src/MP3AudioPlayControllerPlugin.cpp
changeset 0 71ca22bcf22a
child 7 709f89d8c047
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmfenh/advancedaudiocontroller/audiocontrollerpluginsvariant/mp3audioplaycontroller/Src/MP3AudioPlayControllerPlugin.cpp	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,185 @@
+/*
+* Copyright (c) 2006 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:  Play controller for MP3 audio formats.
+*
+*/
+
+
+// INCLUDES
+#include "MP3AudioPlayControllerPlugin.h"
+#include "MP3AudioPlayControllerPlugin.hrh"
+#include "MP3AudioControllerUtility.h"
+#include "MP3AudioPlayControllerDecoderBuilder.h"
+#include "MP3AudioPlayControllerResource.h"
+#include "DevSoundAudioOutput.h"
+#include "FileAudioOutput.h"
+#include "DebugMacros.h"
+
+
+// CONSTANTS
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CMP3AudioPlayControllerPlugin::CMP3AudioPlayControllerPlugin
+// -----------------------------------------------------------------------------
+//
+CMP3AudioPlayControllerPlugin::CMP3AudioPlayControllerPlugin()
+	:	iDecoderBuilder(NULL)
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CMP3AudioPlayControllerPlugin::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CMP3AudioPlayControllerPlugin::ConstructL()
+    {
+    CAdvancedAudioPlayController::ConstructL();
+
+	iAudioResource = CMP3AudioPlayControllerResource::NewL();
+    TAapProperties aapProperties = iAudioResource->PropertiesL();
+    iSharedBufferMaxNum = aapProperties.iSharedBufferMaxNum;
+    iSharedBufferMaxSize = aapProperties.iSharedBufferMaxSize;
+    iMetaDataSupport = aapProperties.iMetaDataSupport;
+
+	iAudioUtility = CMP3AudioControllerUtility::NewL();
+	iDecoderBuilder = CMP3AudioPlayControllerDecoderBuilder::NewL();
+    }
+
+// -----------------------------------------------------------------------------
+// CMP3AudioPlayControllerPlugin::NewL
+// -----------------------------------------------------------------------------
+//
+CMP3AudioPlayControllerPlugin* CMP3AudioPlayControllerPlugin::NewL()
+    {
+	DP0(_L("CMP3AudioPlayControllerPlugin::NewL"));
+    CMP3AudioPlayControllerPlugin* self = new(ELeave) CMP3AudioPlayControllerPlugin;
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// Destructor
+CMP3AudioPlayControllerPlugin::~CMP3AudioPlayControllerPlugin()
+    {
+	DP0(_L("CMP3AudioPlayControllerPlugin::~CMP3AudioPlayControllerPlugin"));
+   
+    if (iIsDRMProtected)
+		{
+		delete iDataSource;
+		}
+
+    if ((iState != EStopped) && (iState != EInitialized) && iAudioOutput)
+        {
+        TRAPD(err, iAudioOutput->StopL());
+		err = err;
+        }
+
+	delete iDecoderBuilder;
+    delete iAudioUtility;
+    delete iAudioResource;
+    delete iAudioOutput;
+	}
+
+// -----------------------------------------------------------------------------
+// CMP3AudioPlayControllerPlugin::DoAddDataSourceL
+// Initialization of Clip properties. We build a table needed for positioning.
+// -----------------------------------------------------------------------------
+//
+void CMP3AudioPlayControllerPlugin::DoAddDataSourceL()
+    {
+    DP0(_L("CMP3AudioPlayControllerPlugin::DoAddDataSourceL"));
+    }
+
+// -----------------------------------------------------------------------------
+// CMP3AudioPlayControllerPlugin::DoAddDataSinkL
+// -----------------------------------------------------------------------------
+//
+void CMP3AudioPlayControllerPlugin::DoAddDataSinkL()
+    {
+    DP0(_L("CMP3AudioPlayControllerPlugin::DoAddDataSinkL"));
+    if (iDataSink->DataSinkType() == KUidMmfAudioOutput)
+		{
+		iAudioOutput = CDevSoundAudioOutput::NewL(iPrioritySettings, *this, *iMMFDevSound);
+		iDecoderType = KMP3Decoder;
+        }
+    else if (iDataSink->DataSinkType() == KUidMmfFileSink)
+        {
+		iAudioOutput = CFileAudioOutput::NewL(*iDataSink, iPrioritySettings, *this);
+		iDecoderType = KMP3Converter;
+        }
+    else
+        {
+        User::Leave(KErrNotSupported);
+        }
+	}
+
+// -----------------------------------------------------------------------------
+// CMP3AudioPlayControllerPlugin::DoReadHeaderL
+// -----------------------------------------------------------------------------
+//
+void CMP3AudioPlayControllerPlugin::DoReadHeaderL(CMMFDataBuffer* aBuffer)
+    {
+    DP0(_L("CMP3AudioPlayControllerPlugin::DoReadHeaderL"));
+
+    iAudioUtility->ScanHeaderL(aBuffer);
+
+    iHeaderOffset = iAudioUtility->HeaderOffset();
+    iSyncOffset = iAudioUtility->SyncOffset();
+    iSampleRate = iAudioUtility->SampleRate();
+    iSinkSampleRate = iSampleRate; // Default same as source
+//    iBitRate = iAudioUtility->BitRate();
+//    iDuration = iAudioUtility->Duration();
+    iChannels = iAudioUtility->Channels();
+//    iSinkNumChannels = iChannels; // Default same as source
+//    iSinkNumChannels = iAudioUtility->ChannelsOut();
+    iDataType = TFourCC(' ','M','P','3');
+    
+    if (!(iChannels == 1 || iChannels == 2))
+        {
+        User::Leave(KErrNotSupported);
+        }
+    
+//    iCurrentPosition = iHeaderOffset;
+//    iReadHeader = EFalse;
+    }
+
+CAdvancedAudioDecoder* CMP3AudioPlayControllerPlugin::BuildDecoderL()
+	{
+	return iDecoderBuilder->BuildDecoderL(iDecoderType);
+	}
+
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+// Exported proxy for instantiation method resolution
+// Define the interface UIDs
+const TImplementationProxy ImplementationTable[] =
+    {
+    IMPLEMENTATION_PROXY_ENTRY(KUIDMP3PlayControllerPluginImplementation, CMP3AudioPlayControllerPlugin::NewL)
+    };
+
+// -----------------------------------------------------------------------------
+// ImplementationGroupProxy
+// -----------------------------------------------------------------------------
+//
+EXPORT_C const TImplementationProxy* ImplementationGroupProxy(
+    TInt& aTableCount)
+    {
+    aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
+    return ImplementationTable;
+    }
+
+// End of file