umc_mpeg2_dec.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.
//
*/
//  MPEG-2 is a international standard promoted by ISO/IEC and
//  other organizations. Implementations of this standard, or the standard
//  enabled platforms may require licenses from various entities, including
//  Intel Corporation.

#ifndef __UMC_MPEG2_DEC_H
#define __UMC_MPEG2_DEC_H

#include "umc_structures.h"

#define MPEG2_VIRTUAL

namespace UMC
{

    class MPEG2VideoDecoderBase;

    class MPEG2VideoDecoder : public VideoDecoder
    {
    public:
        ///////////////////////////////////////////////////////
        /////////////High Level public interface///////////////
        ///////////////////////////////////////////////////////
        // Default constructor
        MPEG2VideoDecoder(void);

        // Default destructor
        MPEG2_VIRTUAL ~MPEG2VideoDecoder(void);

        // Initialize for subsequent frame decoding.
        MPEG2_VIRTUAL Status Init(BaseCodecParams *init);

        // Get next frame
        MPEG2_VIRTUAL Status GetFrame(MediaData* in, MediaData* out);

        // Close  decoding & free all allocated resources
        MPEG2_VIRTUAL Status Close(void);

        // Reset decoder to initial state
        MPEG2_VIRTUAL Status Reset(void);

        // Get audio information, valid after initialization
        MPEG2_VIRTUAL Status GetInfo(BaseCodecParams* ininfo);

        Status    GetPerformance(double *perf);

        //reset skip frame counter
        Status    ResetSkipCount();

        // increment skip frame counter
        Status    SkipVideoFrame(int);

        // get skip frame counter statistic
        vm_var32  GetSkipedFrame();

        // Set playback rate
        Status    SetRate(double rate);

        // returns closed capture data from gop user data
        MPEG2_VIRTUAL Status GetClosedCaptureData(MediaData* pCC);

        MPEG2_VIRTUAL Status SetParams(BaseCodecParams* params);
    protected:
        MPEG2VideoDecoderBase* m_pDec;

    };
}

#endif //__UMC_MPEG2_DEC_H