/*

* Copyright (c) 2010 Ixonos Plc.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the "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:

* Ixonos Plc

*

* Description:  

* Common internal constants for audio.

*

*/

#ifndef __AUDCONSTANTS_H__

#define __AUDCONSTANTS_H__

// CONSTANTS

const TInt KAedSampleRate8kHz = 8000;

const TInt KAedSampleRate11kHz = 11025;

const TInt KAedSampleRate16kHz = 16000;

const TInt KAedSampleRate22kHz = 22050;

const TInt KAedSampleRate24kHz = 24000;

const TInt KAedSampleRate32kHz = 32000;

const TInt KAedSampleRate44kHz = 44100;

const TInt KAedSampleRate48kHz = 48000;

const TInt KAedBitRateAMR = 12200;

const TInt KAedBitRateAAC16kHz = 48000;

const TInt KAedBitRateAAC48kHz = 192000;

const TInt KAedAACMinBitRateMultiplier = 1; // min bitrate is 1 bit per sample

const TInt KAedAACMaxBitRateMultiplier = 6; // max bitrate is 6 bits per sample

const TInt KAedAMRFrameDuration = 20000;

const TInt KAedSizeAACBuffer = 2048;

const TInt KAedSizeAACStereoBuffer = 4096;

const TInt KAedMaxFeedBufferSize = 4096;

const TInt KAedMaxAACFrameLengthPerChannel = 768;

const TInt KAedMaxAMRFrameLength = 32;

const TInt KAedMaxAWBFrameLength = 61;

const TInt KAedMaxMP3FrameLength = 1440;

const TInt KAedSizeAMRBuffer = 320;

const TInt KAedSizeAWBBuffer = 640;

const TInt KAedMinAMRBitRate = 400;      // voice activity detection creates at least 1 byte per frame => 50 bytes/s = 400 bits/s

const TInt KAedMaxAMRBitRate = 12200;

const TInt KAedNumSupportedAACSampleRates = 2;

const TInt KAedSupportedAACSampleRates[KAedNumSupportedAACSampleRates] = {KAedSampleRate16kHz, KAedSampleRate48kHz};

// Max resolution for visualization; this should cover > 30 minute clip if 5 samples per sec are requested 

const TInt KAedMaxVisualizationResolution = 10000;

// UId of the AAC CMMFCodec encoder

const TUid KAedAACEncSWCodecUid = {0x1020382F};    //KAdvancedUidCodecPCM16ToAAC

// UId of the AMR-NB CMMFCodec encoder

const TUid KAedAMRNBEncSWCodecUid = {0x101FAF68};    //KAdvancedUidCodecPCM16ToAMR

// UId of the AAC CMMFCodec decoder

const TUid KMmfAACDecSWCodecUid = {0x101FAF81};    //KMmfUidCodecAACToPCM16

// UId of the AMR-NB CMMFCodec decoder

const TUid KMmfAMRNBDecSWCodecUid = {0x101FAF67};    //KAdvancedUidCodecAMRToPCM16

// UId of the eAAC+ CMMFCodec decoder

const TUid KMmfUidCodecEnhAACPlusToPCM16 = {0x10207AA9};

// UId of the AMR-WB CMMFCodec decoder

const TUid KMmfAMRWBDecSWCodecUid = {0x101FAF5E};

// UId of the MP3 CMMFCodec decoder

const TUid KMmfAdvancedUidCodecMP3ToPCM16 = {0x101FAF85};

// FourCC for the eAAC+

const TUint32 KMMFFourCCCodeAACPlus = 0x43414520;		//(' ','E','A','C')

// Used in CProcInFileHandler::GetGainNow() to reduce positive gains

const TInt KAedPositiveGainDivider = 5;

#endif // __AUDCONSTANTS_H__