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DuerOS-Light-SDK-v1.1.0/duer-os-light/external/mp3dec/pub/mpadecobjfixpt.h@47:9e361da97763, 2017-07-18 (annotated)

Committer:
TMBOY
Date:
Tue Jul 18 16:54:45 2017 +0800
Revision:
47:9e361da97763
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Who changed what in which revision?

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TMBOY 47:9e361da97763 1 /* ***** BEGIN LICENSE BLOCK *****
TMBOY 47:9e361da97763 2 * Version: RCSL 1.0/RPSL 1.0
TMBOY 47:9e361da97763 3 *
TMBOY 47:9e361da97763 4 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
TMBOY 47:9e361da97763 5 *
TMBOY 47:9e361da97763 6 * The contents of this file, and the files included with this file, are
TMBOY 47:9e361da97763 7 * subject to the current version of the RealNetworks Public Source License
TMBOY 47:9e361da97763 8 * Version 1.0 (the "RPSL") available at
TMBOY 47:9e361da97763 9 * http://www.helixcommunity.org/content/rpsl unless you have licensed
TMBOY 47:9e361da97763 10 * the file under the RealNetworks Community Source License Version 1.0
TMBOY 47:9e361da97763 11 * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
TMBOY 47:9e361da97763 12 * in which case the RCSL will apply. You may also obtain the license terms
TMBOY 47:9e361da97763 13 * directly from RealNetworks. You may not use this file except in
TMBOY 47:9e361da97763 14 * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
TMBOY 47:9e361da97763 15 * applicable to this file, the RCSL. Please see the applicable RPSL or
TMBOY 47:9e361da97763 16 * RCSL for the rights, obligations and limitations governing use of the
TMBOY 47:9e361da97763 17 * contents of the file.
TMBOY 47:9e361da97763 18 *
TMBOY 47:9e361da97763 19 * This file is part of the Helix DNA Technology. RealNetworks is the
TMBOY 47:9e361da97763 20 * developer of the Original Code and owns the copyrights in the portions
TMBOY 47:9e361da97763 21 * it created.
TMBOY 47:9e361da97763 22 *
TMBOY 47:9e361da97763 23 * This file, and the files included with this file, is distributed and made
TMBOY 47:9e361da97763 24 * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
TMBOY 47:9e361da97763 25 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
TMBOY 47:9e361da97763 26 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
TMBOY 47:9e361da97763 27 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
TMBOY 47:9e361da97763 28 *
TMBOY 47:9e361da97763 29 * Technology Compatibility Kit Test Suite(s) Location:
TMBOY 47:9e361da97763 30 * http://www.helixcommunity.org/content/tck
TMBOY 47:9e361da97763 31 *
TMBOY 47:9e361da97763 32 * Contributor(s):
TMBOY 47:9e361da97763 33 *
TMBOY 47:9e361da97763 34 * ***** END LICENSE BLOCK ***** */
TMBOY 47:9e361da97763 35
TMBOY 47:9e361da97763 36 #ifndef _MPADECOBJFIXPT_H_
TMBOY 47:9e361da97763 37 #define _MPADECOBJFIXPT_H_
TMBOY 47:9e361da97763 38
TMBOY 47:9e361da97763 39 #include "mp3dec.h" /* public C API for new MP3 decoder */
TMBOY 47:9e361da97763 40
TMBOY 47:9e361da97763 41 class CMpaDecObj
TMBOY 47:9e361da97763 42 {
TMBOY 47:9e361da97763 43 public:
TMBOY 47:9e361da97763 44 CMpaDecObj();
TMBOY 47:9e361da97763 45 ~CMpaDecObj();
TMBOY 47:9e361da97763 46
TMBOY 47:9e361da97763 47 ///////////////////////////////////////////////////////////////////////////
TMBOY 47:9e361da97763 48 // Function: Init_n
TMBOY 47:9e361da97763 49 // Purpose: Initialize the mp3 decoder.
TMBOY 47:9e361da97763 50 // Parameters: pSync a pointer to a syncword
TMBOY 47:9e361da97763 51 // ulSize the size of the buffer pSync points to
TMBOY 47:9e361da97763 52 // bUseSize this tells the decoder to use the input frame
TMBOY 47:9e361da97763 53 // size on the decode instead of calculating
TMBOY 47:9e361da97763 54 // the frame size. This is necessary when
TMBOY 47:9e361da97763 55 // our formatted mp3 data (main_data_begin always
TMBOY 47:9e361da97763 56 // equal to 0).
TMBOY 47:9e361da97763 57 //
TMBOY 47:9e361da97763 58 // Returns: returns 1 on success, 0 on failure
TMBOY 47:9e361da97763 59 ///////////////////////////////////////////////////////////////////////////
TMBOY 47:9e361da97763 60 int Init_n(unsigned char *pSync,
TMBOY 47:9e361da97763 61 unsigned long ulSize,
TMBOY 47:9e361da97763 62 unsigned char bUseSize=0);
TMBOY 47:9e361da97763 63
TMBOY 47:9e361da97763 64 ///////////////////////////////////////////////////////////////////////////
TMBOY 47:9e361da97763 65 // Function: DecodeFrame_v
TMBOY 47:9e361da97763 66 // Purpose: Decodes one mp3 frame
TMBOY 47:9e361da97763 67 // Parameters: pSource pointer to an mp3 frame (at a syncword)
TMBOY 47:9e361da97763 68 // pulSize size of the buffer pSource points to. It will
TMBOY 47:9e361da97763 69 // contain the number of mp3 bytes decoded upon
TMBOY 47:9e361da97763 70 // return.
TMBOY 47:9e361da97763 71 // pPCM pointer to a buffer to decode into
TMBOY 47:9e361da97763 72 // pulPCMSize size of the PCM buffer. It will contain the
TMBOY 47:9e361da97763 73 // number of PCM bytes prodced upon return.
TMBOY 47:9e361da97763 74 ///////////////////////////////////////////////////////////////////////////
TMBOY 47:9e361da97763 75 void DecodeFrame_v(unsigned char *pSource,
TMBOY 47:9e361da97763 76 unsigned long *pulSize,
TMBOY 47:9e361da97763 77 unsigned char *pPCM,
TMBOY 47:9e361da97763 78 unsigned long *pulPCMSize);
TMBOY 47:9e361da97763 79
TMBOY 47:9e361da97763 80 // overloaded new version that returns error code in errCode
TMBOY 47:9e361da97763 81 void DecodeFrame_v(unsigned char *pSource,
TMBOY 47:9e361da97763 82 unsigned long *pulSize,
TMBOY 47:9e361da97763 83 unsigned char *pPCM,
TMBOY 47:9e361da97763 84 unsigned long *pulPCMSize,
TMBOY 47:9e361da97763 85 int *errCode);
TMBOY 47:9e361da97763 86
TMBOY 47:9e361da97763 87 void GetPCMInfo_v(unsigned long &ulSampRate,
TMBOY 47:9e361da97763 88 int &nChannels,
TMBOY 47:9e361da97763 89 int &nBitsPerSample);
TMBOY 47:9e361da97763 90
TMBOY 47:9e361da97763 91 // return number of samples per frame, PER CHANNEL (renderer multiplies this result by nChannels)
TMBOY 47:9e361da97763 92 int GetSamplesPerFrame_n();
TMBOY 47:9e361da97763 93
TMBOY 47:9e361da97763 94 void SetTrustPackets(unsigned char bTrust) { m_bTrustPackets = bTrust; }
TMBOY 47:9e361da97763 95
TMBOY 47:9e361da97763 96 private:
TMBOY 47:9e361da97763 97 void * m_pDec; // generic void ptr
TMBOY 47:9e361da97763 98
TMBOY 47:9e361da97763 99 void * m_pDecL1; // not implemented (could use old Xing mpadecl1.cpp)
TMBOY 47:9e361da97763 100 void * m_pDecL2; // not implemented (could use old Xing mpadecl2.cpp)
TMBOY 47:9e361da97763 101 HMP3Decoder m_pDecL3;
TMBOY 47:9e361da97763 102
TMBOY 47:9e361da97763 103 MP3FrameInfo m_lastMP3FrameInfo;
TMBOY 47:9e361da97763 104 unsigned char m_bUseFrameSize;
TMBOY 47:9e361da97763 105 unsigned char m_bTrustPackets;
TMBOY 47:9e361da97763 106 };
TMBOY 47:9e361da97763 107
TMBOY 47:9e361da97763 108 #endif /* _MPADECOBJFIXPT_H_ */