umc_mpeg2_spl.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_MPEG2_SPL_H__
#define __UMC_MPEG2_SPL_H__

#include "umc_splitter.h"


namespace UMC
{
    //class MP2Splitter;
    class MPEG2SplitterBase;

    class MPEG2Splitter : public Splitter
    {
    public:
        //////////////////Constructor/destructor////////////////
        MPEG2Splitter()    {m_pSpl = NULL;};
        ~MPEG2Splitter();
        ///////////////////////////////////////////////////////

        /////////////////////Interface overrided functions////
        virtual Status      Init                (SplitterParams& init);
        virtual Status      Close               ();    //Close splitter
        virtual Status      Run                 ();    //Run   splitter
        virtual Status      Stop                ();    //Stop  splitter

        virtual Status GetNextVideoData(MediaData* data, vm_var32 track_idx);

        // Get next audio data from track
        virtual Status GetNextAudioData(MediaData* data, vm_var32 track_idx);

        // Get next data (audio or video)
        virtual Status GetNextData(MediaData* data, vm_var32* track_idx);

        virtual Status CheckNextVideoData(MediaData* data, vm_var32 track_idx);
        virtual Status CheckNextAudioData(MediaData* data, vm_var32 track_idx);


        ///////////////////////////////////////////////////////////////
        virtual Status      SetPosition        (double pos); // pos from 0.0 to 1.0
        virtual Status      SetPosition        (double start, double stop);
        virtual Status      GetPosition        (double& pos);// return current position

        ///////////////////////////////////////////////////////////////
        // Valid after splitter initialization
        Status              GetInfo            (SplitterInfo* info);

        AudioStreamType     GetAudioType (void);

        Status              SetRate(double rate);

    protected:

        virtual SystemStreamType     DetectSystem();

        MPEG2SplitterBase *m_pSpl;
    };
} // namespace UMC

#endif /* __UMC_MPEG2_SPL_H__ */