--- a/inc/Mp3Codec.h Thu Aug 19 10:26:11 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,143 +0,0 @@
-/*
- * 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 __MP3CODEC_H__
-#define __MP3CODEC_H__
-
-// INCLUDES
-#include <E32Base.h>
-
-// CONSTANTS
-
-// DATA TYPES
-
-// FORWARD DECLARATION
-class CMp3ToPcmDecoderImpl;
-
-// CLASS DEFINITIONS
-/*
------------------------------------------------------------------------------
-
- TMp3DecParams
-
- MP3 decoding parameters.
-
- @since 2.1
-
------------------------------------------------------------------------------
-*/
-class TMp3DecParams
- {
-public:
- inline TMp3DecParams();
-public:
- TInt iStereoToMono; // stereo to mono switch (TRUE or default FALSE)
- TInt iLeftRight; // decode left or right channel (1 left, 2 right, 0 default all)
- TInt iDecimFactor; // decimation factor (2, 4 or default 1)
- TInt iConcealment; // error concealment level (0 none, default 1)
- TInt iSampleLength; // resolution of PCM samples (default 16 bits)
- TInt iSamplingFrequency; //Output sampling frequency
- };
-
-TMp3DecParams::TMp3DecParams() :
-iStereoToMono(0), iLeftRight(0), iDecimFactor(1), iConcealment(1), iSampleLength(16), iSamplingFrequency(0) {}
-
-
-
-/*
------------------------------------------------------------------------------
-
- TMp3FrameInfo
-
- MP3 frame info struct.
-
- @since 2.1
-
------------------------------------------------------------------------------
-*/
-class TMp3FrameInfo
- {
-public:
- inline TMp3FrameInfo();
-public:
- IMPORT_C static TInt MinFrameSize();
- IMPORT_C static TInt MaxFrameSize();
- IMPORT_C static TInt MaxFrameSamples();
- IMPORT_C static TInt MaxChannels();
- IMPORT_C static TInt MaxAncillaryBits();
- IMPORT_C static TInt FrameHeaderSize();
- IMPORT_C static TInt FrameSize(const TMp3FrameInfo& aInfo);
-public:
- TInt iId; // id of algorithm (1 MPEG-1, 0 MPEG-2)
- TInt iLayer; // layer number (1, 2, 3 or 4)
- TInt iErrorProtection; // err prot flag (TRUE or FALSE, TRUE if err protected)
- TInt iBitrate; // bitrate (kbit/s)
- TInt iSamplingRate; // sampling frequency (Hz)
- TInt iPadding; // padding flag (TRUE or FALSE, TRUE if p slot exists)
- TInt iPrivateBit; // bit for private use
- TInt iMode; // audio mode (0 stereo, 1 jstereo, 2 dual, 3 mono)
- TInt iChannels; // number of audio channels (1 for mono, otherwise 2)
- TInt iCopyright; // copyright flag (TRUE or FALSE, TRUE if copyrighted)
- TInt iOrigCopy; // original flag (TRUE or FALSE, TRUE if original)
- TInt iFrameSize; // size of encoded frame (bytes)
- TInt iFrameSamples; // length of decoded frame (samples per channel)
-public:
- TInt iSamplingRateOut; // sampling frequency after conversion(s) (Hz)
- TInt iChannelsOut; // number of audio channels after conversion(s) (1 or 2)
- TInt iFrameSamplesOut; // length of decoded frame after conversion(s) (samples per channel)
- };
-
-TMp3FrameInfo::TMp3FrameInfo() {}
-
-
-
-/*
------------------------------------------------------------------------------
-
- CMp3ToPcmDecoder
-
- Low level MP3 decoding API.
-
- @since 2.1
-
------------------------------------------------------------------------------
-*/
-class CMp3ToPcmDecoder : public CBase
- {
-protected:
- IMPORT_C CMp3ToPcmDecoder();
- IMPORT_C void ConstructL();
-
-public:
- IMPORT_C static CMp3ToPcmDecoder* NewL(const TMp3DecParams& aConf);
- IMPORT_C virtual ~CMp3ToPcmDecoder();
- IMPORT_C void Reset();
- IMPORT_C void Reset(const TMp3DecParams& aConf);
- IMPORT_C static TInt FrameInfo(const TUint8* aBuf, TInt aBufLen, TMp3FrameInfo& aInfo);
- IMPORT_C static TInt FrameInfo(const TUint8* aBuf, TInt aBufLen, TMp3FrameInfo& aInfo, const TMp3DecParams& aConf);
- IMPORT_C static TInt SeekSync(const TUint8* aBuf, TInt aBufLen);
- IMPORT_C TInt Decode(TUint8* aSrc, TInt& aSrcUsed, TUint8* aDst, TInt& aDstLen, TInt aMuteFlag);
- IMPORT_C TInt Decode(TUint8* aSrc, TInt& aSrcUsed, TUint8* aDst1, TUint8* aDst2, TUint8* aDst3, TInt& aDstLen1, TInt& aDstLen2, TInt& aDstLen3, TInt aMuteFlag);
-private:
- CMp3ToPcmDecoderImpl* iState;
- };
-
-#endif //__MP3CODEC_H__
-//-----------------------------------------------------------------------------
-// End of File
-//-----------------------------------------------------------------------------