raibufs.h
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上传日期:2007-06-06
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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 _RAIBUFS_H_
- #define _RAIBUFS_H_
- /****************************************************************************
- * Includes
- */
- #include "ctrange.h"
- /****************************************************************************
- * CInterleaveBufs
- */
- class CInterleaveBufs
- {
- public:
- CInterleaveBufs(CStreamParam ¶m, UINT16 uStreamNumber = 0);
- ~CInterleaveBufs();
-
- HX_RESULT InitDeinterleaver(void);
- HX_RESULT AllocIBufs(void);
- void DeallocIBufs(void);
-
- HX_RESULT OnPacket(Byte* pData,
- UINT32 ulSize,
- UINT32 ulSequence,
- UINT32 ulTimestamp,
- BOOL bLost,
- UINT16 usFlags);
-
- HX_RESULT OnSeek(void);
- HX_RESULT DeInterleaveData(void);
- HX_RESULT GetBlock (Byte** hData, UINT32* pDataSize, UINT32* pDataFlags, UINT32* pTimestamp,UINT32* ulActualTimestamp);
- HX_RESULT NextBlock(void);
-
- void OnEndofPackets(void);
- void SwitchOff(void);
- void NumDecodedBytes(UINT32 ulNumDecodedBytes);
- void NumDecodedBytes(UINT32 ulEndingTS, UINT32 ulNumDecodedBytes);
-
- BOOL DataAvailable(AUDIO_STATE audioState);
- BOOL IsISuperBlockFilled(void);
-
- BOOL IsDSuperBlockEmpty(void);
- BOOL IsStreamDone(void);
-
- inline BOOL IsISuperBlockEmpty(void)
- {
- return m_bISuperBlockEmpty;
- }
-
- inline BOOL IsISuperBlockDone(void)
- {
- return m_bISuperBlockDone;
- }
-
- inline void FlushIBlock()
- {
- m_bISuperBlockEmpty = TRUE;
- m_bISuperBlockDone = FALSE;
- m_uNumIBlocks = 0;
- m_bFirstPacketReceived = FALSE;
- }
-
- inline void FlushDBlock()
- {
- m_bDSuperBlockEmpty = TRUE;
- if (m_bISuperBlockEmpty)
- {
- m_bFirstPacketReceived = FALSE;
- }
- }
-
- inline void SetTimeStampsInTenths(BOOL bTimeStampsInTenths)
- {
- m_bTimeStampsInTenths = bTimeStampsInTenths;
- }
- inline void SetSamplesIn(UINT32 ulSamplesIn)
- {
- m_ulSamplesIn = ulSamplesIn;
- }
- inline void SetReliableSamplesIn(BOOL bFlag)
- {
- m_bReliableSamplesIn = TRUE;
- }
- inline INT32 RateInBytesPerSec(void)
- {
- if (m_fmsPerBlock) return (INT32) (1000/m_fmsPerBlock);
- return 0;
- };
-
- inline double GetMSPerBlock()
- {
- return m_fmsPerBlock;
- }
-
- inline UINT32 GetSuperBlockTime()
- {
- return (UINT32)(m_fmsPerBlock * m_Param.uInterleaveFactor);
- }
-
- double CalcMs(UINT32 ulNumBytes);
-
- UINT32 CalcBytes(double fMs);
-
-
- CTimeRange m_IBlockTimeRange;
- CTimeRange m_DBlockTimeRange;
-
- private:
-
- CStreamParam& m_Param;
- CInterleave* m_Interleaver;
-
- UINT16 m_uStreamNumber; // Debug use
-
- UINT32 m_ulSuperBlockSize;
- double m_fmsPerBlock;
- UINT32 m_ulSamplesIn;
- UINT32 m_ulLastDecodedTime;
-
- Byte* m_pIDataBuf; // Interleaved Data
- Byte* m_pDDataBuf; // De-interleaved Data
- UINT32* m_pIPresent; // Interleaved Flags (data not lost)
- UINT32* m_pDPresent;
-
- double* m_pIActualTimestamps; // Interleaved Timestamps
- double* m_pDActualTimestamps;
-
- UINT16 m_uBlockToDecode;
- UINT16 m_uNumIBlocks;
- UINT32 m_ulFirstSequenceNum;
- UINT32 m_ulVBRSMaxBufSize;
- UINT32 m_ulVBRSDBufBytes;
- double m_fCurrentTimestamp;
- double m_fActualTimestamp;
- double m_fCurrentDeinterleaveTimestamp;
- double m_fMsPerByte;
- double m_fLastDecodedTime;
- BOOL m_bLastDecodedTimeSet;
- BOOL m_bDeinterleaveInPlace;
- BOOL m_bReliableSamplesIn;
- BOOL m_bIsVBRS;
-
- HX_BITFIELD m_bISuperBlockDone:1; // ready to de-interleave
- // Flags & Params for Interleaved Data
- HX_BITFIELD m_bISuperBlockEmpty:1;
- HX_BITFIELD m_bFirstPacketReceived:1;
- // Flags & Params for De-interleaved Data
- HX_BITFIELD m_bDSuperBlockEmpty:1;
- HX_BITFIELD m_bEndOfPackets:1;
-
- HX_BITFIELD m_bTimeStampsInTenths:1;
- };
- #define INITIAL_VBR_MAXBUFSIZE 8192 // Max AAC frame size is 8191
- #endif // ndef _RAIBUFS_H_