author | vnuitven <> |
Mon, 06 Sep 2010 19:02:58 +0530 | |
branch | rcs |
changeset 51 | a13dcee59a62 |
parent 0 | 1bce908db942 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2004-2006 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Provides G729 payload format spesific definitions. |
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* |
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*/ |
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#ifndef G729PAYLOADFORMATUTIL_H |
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#define G729PAYLOADFORMATUTIL_H |
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// INCLUDES |
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#ifdef _DEBUG |
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#include <e32svr.h> |
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#define TRACE_G729_PAYLOAD_FORMAT_WRITE |
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#define TRACE_G729_PAYLOAD_FORMAT_READ |
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#endif |
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// CONSTANTS |
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const TUint KG729SampleRate = 8000; |
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const TUint8 KDefNumOfChannels = 1; |
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// Codec header bytes indicating type of the frame |
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const TUint8 KAudioFrameHeaderByte( 1 ); |
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const TUint8 KCNoiseFrameHeaderByte( 2 ); |
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// Number of header bytes |
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const TUint8 KG729NumOfHeaderBytes = 2; |
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// Size of the speech parameter buffer codec uses |
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const TUint8 KG729CodecEncBufSize = 24; |
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const TUint8 KG729CodecDecBufSize = 24; |
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// Number of 16-bit speech parameters codec uses |
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const TUint8 KG729NumOfAudioParams = 11; |
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const TUint8 KG729NumOfCNoiseParams = 4; |
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// Number of bits used for each codec input/output speech parameter |
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const TUint8 KG729CodecBufAudioBits[] = { 8, 10, 8, 1, 13, 4, 7, 5, 13, 4, 7 }; |
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const TUint8 KG729CodecBufCNoiseBits[] = { 1, 5, 4, 5 }; |
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// RFC3551 |
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const TInt KG729FrameSize10ms = 10; |
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const TInt KG729CNFrameSize = 2; |
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const TInt KG729FrameTimeInMs = 10; |
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// Bits in one byte |
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const TUint8 KBitsInByte = 8; |
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#endif // G729PAYLOADFORMATUTIL_H |
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// End of File |