parse656data.h

完整的基于Conxant平台的USB电视棒的WIN驱动程序。

/*+++ *******************************************************************\ 
* 
*  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 _PARSE_656_DATA_H_
#define _PARSE_656_DATA_H_

extern "C" 
{
#include <wdm.h>
}

#include <windef.h>
#include <ks.h>
#include <ksmedia.h>

#include "ParseBuffer.h"
#include "VideoParseBuffer.h"
#include "AudioParseBuffer.h"
#include "SlicedCCBuffer.h"
#include "AncillaryPacket.h"


class Parse656Data
{
public:
    Parse656Data();
    VOID submitDataBuffer(PBYTE buffer, DWORD buffer_size,BYTE type);
    VOID setPin(BasePin* p_pin);
    VOID releasePin(BasePin* p_pin);
/////////////////////////////////////////////////////////
    VOID setAudioPin(BasePin* p_pin);
    VOID releaseAudioPin();
/////////////////////////////////////////////////////////
    VOID notifyPinFormatChange(BasePin* p_pin);

    VOID dumpfile(PBYTE p_data, DWORD buffer_size);

protected:
    BYTE findBoundarySAV_EAV(PBYTE p_buffer, PDWORD p_bytes_used);
    BYTE findNextSAV_EAV(PBYTE p_buffer, DWORD buffer_size, PDWORD bytes_used);
//////////////////////////////////////////////////////////////////////////////////////////////////
///for vbi and sliced cc used
 	BYTE findBoundaryheader(PBYTE p_buffer, PDWORD p_bytes_used);
    BYTE findNextheader(PBYTE p_buffer, DWORD buffer_size, PDWORD bytes_used);
//////////////////////////////////////////////////////////////////////////////////////////////////	
    DWORD getLine(BYTE sav_eav, PBYTE p_buffer, DWORD buffer_size);

    VOID completeAncillaryPacket();

private:
    VideoParseBuffer _video_parse_buffer;
    AudioParseBuffer _audio_parse_buffer;
///////////////////////////////////////////////////////
    AudioIISBuffer _audio_iis_buffer;
///////////////////////////////////////////////////////
    ParseBuffer      _vbi_parse_buffer;
    SlicedCCBuffer   _sliced_cc_buffer;

    AncillaryPacket _ancillary_packet;

    BYTE        _last_sav;
    BYTE        _last_video_sav;
    BOOLEAN     _is_partial_line;

	BYTE        _field_num;

    BYTE        _end_of_buffer_bytes[4];

    HANDLE     _file_handle;
    
};




#endif