--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/internetradio2.0/mediaengineinc/irmp3playerlocal.h	Mon Apr 19 14:01:53 2010 +0300
@@ -0,0 +1,102 @@
+/*
+* Copyright (c) 2006-2007 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:  ?Description
+*
+*/
+
+
+
+
+#ifndef IRMP3PLAYERLOCAL_H
+#define IRMP3PLAYERLOCAL_H
+
+//sampling rate of MP3 is taken from a look up table
+//selection is made based on MPEG version and index bits
+//the look up table is made in the form of an array of 4x4 
+//and demension are define in terms of constant defined below
+const TUint8 KMP3SamplingRateVersionArraySize = 4;
+const TUint8 KMP3SamplingRateIndexArraySize = 4;
+
+//bitrate rate of MP3 is taken from a look up table
+//selection is made based on MPEG version and Layer and index bits
+//the look up table is made in the form of an array of 2x3x16 
+//and demension are define in terms of constant defined below
+const TUint8 KMP3BitRateMPEGArraySize = 2;
+const TUint8 KMP3BitRateLayerArraySize = 3;
+const TUint8 KMP3BitRateIndexArraySize = 16;
+
+//channel selection is based on 2 bits and is defined as array of 
+//demension 4 and is defined in terms of constant.
+const TUint8 KMP3ChannelArraySize = 4;
+
+
+//sampling rate is given in Hzs.
+//KMP3SamplingRate[MPEGVersion][bit index]
+const TInt32 KMP3SamplingRate[KMP3SamplingRateVersionArraySize][KMP3SamplingRateIndexArraySize] = //! Sampling rates for MP3
+	{		
+		{11025,12000,8000,0},    //MPEG 2.5 unofficial   00
+		{0, 0, 0, 0},            //reserved              01
+		{22050,24000,16000,0},   //MPEG 2                10
+		{44100,48000,32000,0}    //MPEG 1                11
+	};
+	
+//each bit rate is given in Kbps.
+// KBitRate[Version][Layer][bitselect] 
+const TUint32 KBitRate[KMP3BitRateMPEGArraySize]
+					  [KMP3BitRateLayerArraySize]
+					  [KMP3BitRateIndexArraySize] = //! Bit rates for Mp3
+	{
+		{	// MPEG 1
+			{0,32,64,96,128,160,192,224,256,288,320,352,384,416,448,0},	// Layer1
+			{0,32,48,56, 64, 80, 96,112,128,160,192,224,256,320,384,0},	// Layer2
+			{0,32,40,48, 56, 64, 80, 96,112,128,160,192,224,256,320,0}	// Layer3
+		},
+		{	// MPEG 2, 2.5		
+			{0,32,48,56,64,80,96,112,128,144,160,176,192,224,256,0},	// Layer1
+			{0,8,16,24,32,40,48,56,64,80,96,112,128,144,160,0},			// Layer2
+			{0,8,16,24,32,40,48,56,64,80,96,112,128,144,160,0}			// Layer3
+		}
+	};
+
+//enumerated sampling frequency values 
+//for mp3 player
+enum TIRMp3SamplingFreq
+	{
+	EMp3SamplingFreq8000 = 8000,
+	EMp3SamplingFreq11025 = 11025,
+	EMp3SamplingFreq12000 = 12000,
+	EMp3SamplingFreq16000 = 16000,
+	EMp3SamplingFreq22050 = 22050,
+	EMp3SamplingFreq24000 = 24000,
+	EMp3SamplingFreq32000 = 32000,
+	EMp3SamplingFreq44100 = 44100,
+	EMp3SamplingFreq48000 = 48000,	
+	};	
+
+//channels 1 for stereo, and 0 for mono
+// bits 6,7:
+// 00 - Stereo
+// 01 - Joint stereo (Stereo)
+// 10 - Dual channel (Stereo)
+// 11 - Single channel (Mono)
+const TUint32 KChannelInfo[KMP3ChannelArraySize] =
+	{1,1,0,0};
+
+const TInt KMp3FrameHeaderSize = 5;
+
+//zero indicates that channel is mono
+const TInt KMp3ChannelMono = 0;
+
+#endif//IRMP3PLAYERLOCAL_H
+