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Diffstat (limited to 'libFDK/include/FDK_bitbuffer.h')
-rw-r--r-- | libFDK/include/FDK_bitbuffer.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/libFDK/include/FDK_bitbuffer.h b/libFDK/include/FDK_bitbuffer.h new file mode 100644 index 0000000..3b6afd7 --- /dev/null +++ b/libFDK/include/FDK_bitbuffer.h @@ -0,0 +1,104 @@ +/*************************** Fraunhofer IIS FDK Tools *********************** + + (C) Copyright Fraunhofer IIS (2005) + All Rights Reserved + + Please be advised that this software and/or program delivery is + Confidential Information of Fraunhofer and subject to and covered by the + + Fraunhofer IIS Software Evaluation Agreement + between Google Inc. and Fraunhofer + effective and in full force since March 1, 2012. + + You may use this software and/or program only under the terms and + conditions described in the above mentioned Fraunhofer IIS Software + Evaluation Agreement. Any other and/or further use requires a separate agreement. + + + $Id$ + Author(s): M. Lohwasser + Description: common bitbuffer read/write routines + + This software and/or program is protected by copyright law and international + treaties. Any reproduction or distribution of this software and/or program, + or any portion of it, may result in severe civil and criminal penalties, and + will be prosecuted to the maximum extent possible under law. + +******************************************************************************/ + +#ifndef __FDK_BITBUFFER_H__ +#define __FDK_BITBUFFER_H__ + + + +#include "machine_type.h" + +typedef struct +{ + UINT ValidBits; + UINT ReadOffset; + UINT WriteOffset; + UINT BitCnt; + UINT BitNdx; + + UCHAR *Buffer; + UINT bufSize; + UINT bufBits; +} FDK_BITBUF; + +typedef FDK_BITBUF *HANDLE_FDK_BITBUF; + +#ifdef __cplusplus +extern "C" +{ +#endif + +extern const UINT BitMask [32+1]; + +/** The BitBuffer Functions are called straight from FDK_bitstream Interface. + For Functions functional survey look there. +*/ + +void FDK_CreateBitBuffer (HANDLE_FDK_BITBUF *hBitBuffer, UCHAR *pBuffer, UINT bufSize) ; + +void FDK_InitBitBuffer (HANDLE_FDK_BITBUF hBitBuffer, UCHAR *pBuffer, + UINT bufSize, UINT validBits) ; + +void FDK_ResetBitBuffer (HANDLE_FDK_BITBUF hBitBuffer) ; + +void FDK_DeleteBitBuffer (HANDLE_FDK_BITBUF hBitBuffer) ; + +INT FDK_get (HANDLE_FDK_BITBUF hBitBuffer, const UINT numberOfBits) ; + +INT FDK_get32 (HANDLE_FDK_BITBUF hBitBuffer) ; + +void FDK_put (HANDLE_FDK_BITBUF hBitBuffer, UINT value, const UINT numberOfBits) ; + +INT FDK_getBwd (HANDLE_FDK_BITBUF hBitBuffer, const UINT numberOfBits); +void FDK_putBwd (HANDLE_FDK_BITBUF hBitBuffer, UINT value, const UINT numberOfBits) ; + +void FDK_pushBack (HANDLE_FDK_BITBUF hBitBuffer, const UINT numberOfBits, UCHAR config) ; +void FDK_pushForward (HANDLE_FDK_BITBUF hBitBuffer, const UINT numberOfBits, UCHAR config) ; + +void FDK_byteAlign (HANDLE_FDK_BITBUF hBitBuffer, UCHAR config) ; + +UINT FDK_getValidBits (HANDLE_FDK_BITBUF hBitBuffer) ; +INT FDK_getFreeBits (HANDLE_FDK_BITBUF hBitBuffer) ; + +void FDK_setBitCnt (HANDLE_FDK_BITBUF hBitBuffer, const UINT value) ; +INT FDK_getBitCnt (HANDLE_FDK_BITBUF hBitBuffer) ; + +void FDK_Feed (HANDLE_FDK_BITBUF hBitBuffer, UCHAR inputBuffer [], + const UINT bufferSize, UINT *bytesValid) ; + +void FDK_Copy (HANDLE_FDK_BITBUF hBitBufDst, HANDLE_FDK_BITBUF hBitBufSrc, UINT *bytesValid) ; + +void FDK_Fetch (HANDLE_FDK_BITBUF hBitBuffer, UCHAR outBuf[], UINT *writeBytes); + + +#ifdef __cplusplus +} +#endif + + +#endif |