umc_vob_reader.h

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/*//////////////////////////////////////////////////////////////////////////////
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//          Copyright(c) 2003-2005 Intel Corporation. All Rights Reserved.
//
*/

#ifndef __UMC_VOB_READER_H__
#define __UMC_VOB_READER_H__

#include "vm_mmap.h"
#include "vm_types.h"
#include "ippdefs.h"
#include "umc_data_reader.h"
#include "umc_file_reader.h"

namespace UMC
{
    typedef struct _VobStruct {
    vm_char    vob_name[MAXIMUM_PATH];
    int        vob_dig;
    vm_var64   vob_size;
    _VobStruct *prevPtr;
    } VobStruct;

class VobReader : public DataReader
{
    DYNAMIC_CAST_DECL(VobReader, DataReader);
public:

virtual Status      Init(DataReaderParams *InitParams);
virtual Status      Close();
virtual Status      Reset();
virtual Status      ReadData(void *data,vm_var32 *nsize);
virtual Status      MovePosition(vm_sizet npos);
virtual Status      CacheData(void *data,vm_var32 *nsize, int how_far);
virtual Status      SetPosition(double pos);


// return position in the stream
virtual vm_sizet    GetPosition();

// return Vob_size
virtual vm_sizet    GetSize();



VobReader();
virtual ~VobReader();


protected:

vm_char         **m_vob_list;
int              *m_vob_dig;
        int              m_vob_current;
int              m_vob_num;
        vm_var64         m_vob_size_sum;
        vm_var64         *m_vob_size;

Status         FindVobFiles(vm_char *file_name);

UMC::FileReader  FileReaderCur;
};

}//namespace UMC

#endif /* __UMC_VOB_READER_H__ */