80 lines
3.3 KiB
C
80 lines
3.3 KiB
C
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/*------------------------------------------------------------------------------
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-- --
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-- This software is confidential and proprietary and may be used --
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-- only as expressly authorized by a licensing agreement from --
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-- --
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-- Hantro Products Oy. --
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-- --
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-- (C) COPYRIGHT 2006 HANTRO PRODUCTS OY --
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-- ALL RIGHTS RESERVED --
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-- --
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-- The entire notice above must be reproduced --
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-- on all copies and should not be removed. --
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-- --
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--------------------------------------------------------------------------------
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--
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-- Abstract : Stream buffer handling
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--
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--------------------------------------------------------------------------------
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--
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-- Version control information, please leave untouched.
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--
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-- $RCSfile: h264hwd_stream.h,v $
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-- $Date: 2008/03/13 12:48:06 $
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-- $Revision: 1.1 $
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--
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------------------------------------------------------------------------------*/
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/*------------------------------------------------------------------------------
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Table of contents
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1. Include headers
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2. Module defines
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3. Data types
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4. Function prototypes
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------------------------------------------------------------------------------*/
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#ifndef H264HWD_STREAM_H
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#define H264HWD_STREAM_H
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/*------------------------------------------------------------------------------
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1. Include headers
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------------------------------------------------------------------------------*/
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#include "basetype.h"
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/*------------------------------------------------------------------------------
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2. Module defines
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------------------------------------------------------------------------------*/
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/*------------------------------------------------------------------------------
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3. Data types
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------------------------------------------------------------------------------*/
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typedef struct
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{
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const u8 *pStrmBuffStart; /* pointer to start of stream buffer */
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const u8 *pStrmCurrPos; /* current read address in stream buffer */
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u32 bitPosInWord; /* bit position in stream buffer byte */
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u32 strmBuffSize; /* size of stream buffer (bytes) */
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u32 strmBuffReadBits; /* number of bits read from stream buffer */
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u32 removeEmul3Byte; /* signal the pre-removal of emulation prevention 3 bytes */
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u32 emulByteCount; /* counter incremented for each removed byte */
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} strmData_t;
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/*------------------------------------------------------------------------------
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4. Function prototypes
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------------------------------------------------------------------------------*/
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u32 h264bsdGetBits(strmData_t * pStrmData, u32 numBits);
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u32 h264bsdShowBits(strmData_t * pStrmData, u32 numBits);
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u32 h264bsdFlushBits(strmData_t * pStrmData, u32 numBits);
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u32 h264bsdIsByteAligned(strmData_t *);
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#endif /* #ifdef H264HWD_STREAM_H */
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