umc_mpeg2_video_encoder.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) 2005 Intel Corporation. All Rights Reserved.
//
//  Purpose
//    Interface class for UMC mpeg2 video encoder.
//
*/

#ifndef UMC_MPEG2_VIDEO_ENCODER_H_
#define UMC_MPEG2_VIDEO_ENCODER_H_

#include "ippdefs.h"
#include "mpeg2_params.h"
#include "umc_video_data.h"
#include "umc_video_encoder.h"

namespace UMC
{

class MPEG2EncoderParams : public VideoEncoderParams,
                           public ippMPEG2EncoderParams
{
  DYNAMIC_CAST_DECL(MPEG2EncoderParams, VideoEncoderParams)
public:
  int lFlags;

  //constructors
  MPEG2EncoderParams();
  MPEG2EncoderParams(ippMPEG2EncoderParams *par);

  Status ReadParamFile(const vm_char *ParFileName,
                       vm_char *SrcFileName);
};

// the function to create mpeg2 encoder instance,
// which is kept and used as base VideoEncoder
VideoEncoder * createMPEG2VideoEncoder();

class MPEG2VideoEncoder: public VideoEncoder
{
  DYNAMIC_CAST_DECL(MPEG2VideoEncoder, VideoEncoder)
public:
  //constructor
  MPEG2VideoEncoder();

  //destructor
  ~MPEG2VideoEncoder();

  // Initialize codec with specified parameter(s)
  virtual Status Init(BaseCodecParams *init);
  // Compress (decompress) next frame
  virtual Status GetFrame(MediaData *in, MediaData *out);
  // Get codec working (initialization) parameter(s)
  virtual Status GetInfo(BaseCodecParams *info);

  // Close all codec resources
  virtual Status Close();

  virtual Status Reset();

  virtual Status SetParams(BaseCodecParams* params);

private:
  void * encoder;
  int lFlags;
};

} // end namespace UMC

#endif /* UMC_MPEG2_VIDEO_ENCODER_H_ */