videoparsebuffer.h

来自「完整的基于Conxant平台的USB电视棒的WIN驱动程序。」· C头文件 代码 · 共 40 行

/*+++ *******************************************************************\ 
* 
*  Copyright and Disclaimer: 
*  
*     --------------------------------------------------------------- 
*     This software is provided "AS IS" without warranty of any kind, 
*     either expressed or implied, including but not limited to the 
*     implied warranties of noninfringement, merchantability and/or 
*     fitness for a particular purpose.
*     --------------------------------------------------------------- 
*   
*     Copyright (c) 2008 Conexant Systems, Inc. 
*     All rights reserved. 
*
\******************************************************************* ---*/ 
#ifndef _VIDEO_PARSE_BUFFER_H_
#define _VIDEO_PARSE_BUFFER_H_

#include "ParseBuffer.h"

class VideoParseBuffer : public ParseBuffer
{
public:
    VideoParseBuffer(DWORD line_size, DWORD lines_per_buffer);
    virtual VOID resetBuffer();

protected:
    virtual VOID doCopy(PBYTE p_buffer, DWORD bytes_to_copy);
    virtual BOOLEAN isBufferDone();

    VOID doSingleFieldCopy(PBYTE p_buffer, DWORD bytes_to_copy);
    VOID doDualFieldCopy(PBYTE p_buffer, DWORD bytes_to_copy);
    virtual VOID setPinFormat();

private:
    BOOLEAN _field1_done;
    BOOLEAN _is_single_field_stream;
};

#endif