umc_h264_deblocking_tools.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_H264_DEBLOCKING_TOOLS_H
#define __UMC_H264_DEBLOCKING_TOOLS_H

#include <ippi.h>
#include "vm_event.h"
#include "vm_thread.h"
#include "umc_structures.h"
#include "umc_h264_dec.h"

namespace UMC
{

// forward declaration
class H264VideoDecoder;

class H264ThreadedDeblockingTools
{
public:
    // Default constructor
    H264ThreadedDeblockingTools(void);
    // Destructor
    virtual ~H264ThreadedDeblockingTools(void);

    // Initialize object
    Status Initialize(H264VideoDecoder *pDecoder);

    // Deblock slice by two thread
    void DeblockSliceTwoThreaded(Ipp32u uFirstMB, Ipp32u unumMBs, H264VideoDecoder::DeblockingFunction pDeblocking);

    // Deblock slice asynchronous
    void WaitEndOfSlice(void);
    void DeblockSliceAsync(Ipp32u uFirstMB, Ipp32u unumMBs, H264VideoDecoder::DeblockingFunction pDeblocking);

    Ipp32u m_nMBAFF;                                            // (Ipp32u) MBAFF flag

    // Release object
    void Release(void);

    // Additional deblocking thread
    static
    unsigned int DeblockSliceSecondThread(void *p);
    static
    unsigned int DeblockSliceAsyncSecondThread(void *p);

    H264VideoDecoder *m_pDecoder;                               // (H264VideoDecoder *) pointer to decoder-owner

    vm_thread m_hDeblockingSliceSecondThread;                   // (vm_thread) handle to deblocking slice second thread
    vm_thread m_hDeblockingSliceAsyncSecondThread;              // (vm_thread) handle to deblocking slice second thread

    vm_event m_hBeginFrame;                                     // (vm_event) event to begin of deblocking frame
    vm_event m_hBeginSlice;                                     // (vm_event) event to begin of deblocking slice
    vm_event m_hBeginRow;                                       // (vm_event) event to begin of deblocking row
    vm_event m_hDoneBorder;                                     // (vm_event) event of border macroblock is complete
    vm_event m_hDoneRow;                                        // (vm_event) event of row is complete
    vm_event m_hDoneSlice;                                      // (vm_event) event of slice is complete

    bool m_bQuit;                                               // (bool) quit flag
    Ipp32u m_nFirstMB;                                          // (Ipp32u) first macroblock to deblock
    Ipp32u m_nNumMB;                                            // (Ipp32u) number of macroblock to deblock
    H264VideoDecoder::DeblockingFunction m_pDeblocking;         // (H264VideoDecoder::DeblockingFunction) pointer to current deblocking function
};

} // namespace UMC

#endif // UMC_H264_DEBLOCKING_TOOLS_H