CARPLAY版本整理

MXC_A27-PCB4.5-270T/lib/hx170dec/include/h264hwd_stream.h

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