mp4-latm-depack.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 MP4_LATM_DEPACK_H
- #define MP4_LATM_DEPACK_H
- #include "hxtypes.h"
- #include "mp4a-mux-cfg.h"
- typedef void (*OnFrameCB)(void* pUserData, ULONG32 ulTime,
- const UINT8* pData, ULONG32 ulSize,
- BOOL bPreviousLoss);
- class MP4LATMDepack
- {
- public:
- MP4LATMDepack();
- ~MP4LATMDepack();
- BOOL Init(ULONG32 ulProfileID,
- ULONG32 ulObject,
- ULONG32 ulBitrate,
- BOOL bConfigPresent,
- const UINT8* pStreamMuxConfig,
- ULONG32 ulMuxConfigSize,
- OnFrameCB pFrameCB,
- void* pUserData);
-
- BOOL GetCodecConfig(const UINT8*& pConfig, ULONG32& ulConfigSize);
- BOOL SetTimeBase(ULONG32 ulSampleRate);
-
- BOOL SetFrameDuration(ULONG32 ulFrameDuration);
- BOOL Reset(); // Completely reset the depacketizer state
- BOOL Flush(); // Indicates end of stream
- BOOL OnPacket(ULONG32 ulTime, const UINT8* pData,
- ULONG32 ulSize, BOOL bMarker);
- BOOL OnLoss(ULONG32 ulNumPackets); // called to indicate lost packets
- protected:
- BOOL ProcessStagingBuffer(const UINT8* pBuffer);
- BOOL HandleMuxConfig(Bitstream& bs);
- void GetPayloadLengths(Bitstream& bs);
- void GetPayloads(Bitstream& bs, ULONG32 ulTime);
- private:
- ULONG32 m_ulSampleRate;
- ULONG32 m_ulFrameDuration;
- void* m_pUserData;
- OnFrameCB m_pCallback;
- BOOL m_bConfigPresent;
- MP4AMuxConfig m_muxConfig;
- BOOL m_bNeedTime;
- ULONG32 m_ulCurrentTime;
- UINT8* m_pStagingBuf;
- ULONG32 m_ulStagingBufSize;
- ULONG32 m_ulBytesStaged;
-
- ULONG32* m_pSlotLengths;
- UINT8* m_pPayloadBuf;
- ULONG32 m_ulPayloadBufSize;
- BOOL m_bHadLoss;
- BOOL m_bNeedMarker;
- };
- #endif // MP4_LATM_DEPACK_H