inc/EAacPlusFrameParser.h
changeset 0 71ca22bcf22a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/inc/EAacPlusFrameParser.h	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2009 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: Telephony Multimedia Service
+ *
+ */
+
+
+#ifndef 	EAACPLUSFRAMEPARSER_H
+#define 	EAACPLUSFRAMEPARSER_H
+
+// INCLUDES
+#include <e32base.h>
+#include "EAacPlusUtil.h"
+
+class CFrameTable;
+class CMMFBuffer;
+
+// CLASS DECLARATION
+
+/**
+*  This class implements utility functions to extract AAC frame
+*  information.
+*
+*  @lib MmfEAacPlusUtil.lib
+*  @since 3.2
+*/
+class CEAacPlusFrameParser : public CBase
+	{
+	public:
+	
+    class TEAacPlusParserConfig
+        {
+    public:
+		CEAacPlusUtil::TEAacPlusFrameLenConfig iFrameLenConfig; // config info needed by util for frame length.
+        TInt    	iOutSamplingFrequency;		 // output sampling freq of decoder
+      	TInt		iNumOfSamples;				 // samples per frame
+      	CFrameTable* iFrameTable;				 // the frame table
+        };
+
+    public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        */
+        IMPORT_C static CEAacPlusFrameParser* NewL();
+
+        /**
+        * Destructor.
+        */
+        IMPORT_C virtual ~CEAacPlusFrameParser();
+
+    public: // New functions
+
+		/**
+        * Used to parse the aac frames and populate the seek table.
+        * @since 3.2
+        * @param	aBuf                 buffer of AAC data from start of aac content
+        * @param	aBufLen              length of aBuf
+        * @return   status
+        */
+        IMPORT_C TInt Parse(const CMMFBuffer& aSrc, TInt& aSrcUsed);
+
+		/**
+        * Used to configure the utility with information needed to enable the apis.
+        * This api can be used if GetAacFrameInfo is not used to initialize the utility.
+        * @since 3.2
+        * @param	aFormatType format type
+        * @param	aSamplingFrequency sampling frequency
+        * @return   status
+        */
+		IMPORT_C TInt Config(TEAacPlusParserConfig& aParserConfig);
+		IMPORT_C TInt ReConfig();
+
+    private:
+
+        /**
+        * C++ default constructor.
+        */
+        CEAacPlusFrameParser();
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+
+ 	private:	// Data
+ 		CEAacPlusUtil* iAacUtil;
+ 		CFrameTable* iFrameTable;
+	
+		// local input buffer
+        TUint8* iTmpBuf;
+        const TUint8* iTmpBufPtr;
+        TInt 	iTmpBufBytes;
+        TInt	iBytesCopied;
+        
+        TBool   iUsingTmpBuf;
+        
+        TInt iPos;
+//		CEAacPlusUtil::TEAacPlusFormatType iFormatType;
+//		TInt iInSamplingFrequency;
+//		TInt iOutSamplingFrequency;
+//		TInt iNumOfSamples;
+		TEAacPlusParserConfig iParserConfig;
+        
+	};
+
+#endif      // EAACPLUSFRAMEPARSER_H
+
+// End of File