mpadecobjfltpt.h
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef _MPADECOBJFLTPT_H_
- #define _MPADECOBJFLTPT_H_
- class CMpaDecoder;
- class CMpaDecoderL1;
- class CMpaDecoderL2;
- class CMpaDecoderL3;
- class CMpaDecObj
- {
- public:
- CMpaDecObj();
- ~CMpaDecObj();
- ///////////////////////////////////////////////////////////////////////////
- // Function: Init_n
- // Purpose: Initialize the mp3 decoder.
- // Parameters: pSync a pointer to a syncword
- // ulSize the size of the buffer pSync points to
- // bUseSize this tells the decoder to use the input frame
- // size on the decode instead of calculating
- // the frame size. This is necessary when
- // our formatted mp3 data (main_data_begin always
- // equal to 0).
- //
- // Returns: The size of the frame pSync points to
- ///////////////////////////////////////////////////////////////////////////
- int Init_n(unsigned char *pSync,
- unsigned long ulSize,
- unsigned char bUseSize=0);
- ///////////////////////////////////////////////////////////////////////////
- // Function: DecodeFrame_v
- // Purpose: Decodes one mp3 frame
- // Parameters: ulSampRate pointer to an mp3 frame (at a syncword)
- // pulSize size of the buffer pSource points to. It will
- // contain the number of mp3 bytes decoded upon
- // return.
- // pPCM pointer to a buffer to decode into
- // pulPCMSize size of the PCM buffer. It will contain the
- // number of PCM bytes prodced upon return.
- ///////////////////////////////////////////////////////////////////////////
- void DecodeFrame_v(unsigned char *pSource,
- unsigned long *pulSize,
- unsigned char *pPCM,
- unsigned long *pulPCMSize);
- void GetPCMInfo_v(unsigned long &ulSampRate,
- int &nChannels,
- int &nBitsPerSample);
-
- //{ m_pDec->GetPCMInfo_v(ulSampRate, nChannels, nBitsPerSample); };
- int GetSamplesPerFrame_n();// {return m_pDec->GetSamplesPerFrame_n();};
- void SetTrustPackets(unsigned char bTrust) { m_bTrustPackets = bTrust; }
- private:
- CMpaDecoder *m_pDec; // Pointer to mpeg audio decoder
- CMpaDecoderL1 *m_pDecL1; // Pointer to mpegl1 audio decoder
- CMpaDecoderL2 *m_pDecL2; // Pointer to mpegl2 audio decoder
- CMpaDecoderL3 *m_pDecL3; // Pointer to mpegl3 audio decoder
- unsigned char m_bTrustPackets;
- unsigned char m_bUseFrameSize;
- };
- #endif