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84 lines
2.7 KiB
C
84 lines
2.7 KiB
C
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/***************************************************************************\
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*
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* (C) copyright Fraunhofer - IIS (2000)
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* All Rights Reserved
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*
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* $Header: /cvs/root/winamp/aacdec/incs/mp4dec_helpers/bitstream_c.h,v 1.3 2012/05/08 20:16:50 audiodsp Exp $
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* project : MPEG-4 Audio Decoder
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* contents/description: bitstream module interface
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*
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* This software and/or program is protected by copyright law and
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* international treaties. Any reproduction or distribution of this
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* software and/or program, or any portion of it, may result in severe
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* civil and criminal penalties, and will be prosecuted to the maximum
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* extent possible under law.
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*
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\***************************************************************************/
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#ifndef __BITSTREAMC_H__
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#define __BITSTREAMC_H__
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#include "mp4dec_helpers/machine.h"
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/* CRC Markers for SetPositionMarker(). */
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum CSBitStream_MarkerPosition
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{
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CSBitStream_ChannelElementStart,
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CSBitStream_ChannelElementStop,
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CSBitStream_AncillaryElementStart,
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CSBitStream_AncillaryElementStop,
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CSBitStream_SecondIndividualChannelStart,
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CSBitStream_CurrentPosition
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} CSBitStream_MarkerPosition;
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typedef enum {
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NO_EPCONF = -1,
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EPCONF0 = 0,
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EPCONF1 = 1,
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EPCONF2 = 2,
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EPCONF3 = 3
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} __epconf_types;
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typedef struct CSBitStream
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{
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void (*ByteAlign) (struct CSBitStream *self);
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void (*PushBack) (struct CSBitStream *self, INT32 n);
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INT32 (*Get) (struct CSBitStream *self, INT32 elemID, INT32 n);
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void (*SetPositionMarker) (struct CSBitStream *self, INT32 id);
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void (*SetCRCPositionMarker) (struct CSBitStream *self, CSBitStream_MarkerPosition position) ;
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INT32 (*GetBitCount) (struct CSBitStream *self);
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INT32 (*GetValidBits) (struct CSBitStream *self);
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INT32 (*GetValidBitsEp1) (struct CSBitStream *self, INT32 err_sens_class);
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UINT8* (*GetDataPointer) (struct CSBitStream *self);
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UINT32 m_BitsInCache;
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UINT32 m_CacheWord;
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INT32 m_erFlag;
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} CSBitStream, *CSBitStreamPtr;
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INT32 __getBits (CSBitStreamPtr self, INT32 elemID, INT32 nBits);
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void __pushBack (CSBitStreamPtr self, INT32 nBits);
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void __byteAlign (CSBitStreamPtr self);
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void __setPositionMarker (CSBitStreamPtr self, INT32 id);
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void __setCRCPositionMarker (CSBitStreamPtr self, CSBitStream_MarkerPosition position) ;
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INT32 __getBitCount (CSBitStreamPtr self);
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INT32 __getValidBits (CSBitStreamPtr self);
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INT32 __getValidBits_ep1 (CSBitStreamPtr self, INT32 err_sens_class);
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UINT8* __getDataPointer (CSBitStreamPtr self);
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#ifdef __cplusplus
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}
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#endif
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#endif
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