umc_video_processing.h

audio-video-codecs.rar语音编解码器

/*
//
//                  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) 2003-2006 Intel Corporation. All Rights Reserved.
//
*/

#ifndef __UMC_VIDEO_PROCESSING_H__
#define __UMC_VIDEO_PROCESSING_H__

#include "umc_video_data.h"
#include "umc_base_codec.h"

namespace UMC
{

BaseCodec *createVideoProcessing();

enum DeinterlacingMethod
{
    NO_DEINTERLACING        = 0,
    DEINTERLACING_BLEND     = 1,
    DEINTERLACING_DUPLICATE = 2,
    DEINTERLACING_SPATIAL   = 3,
    DEINTERLACING_ADAPTIVE  = 4,
    DEINTERLACING_SMOOTH    = 5
};

//////////////////////////////////////////////////////////////////////

class VideoProcessingParams : public BaseCodecParams
{
  DYNAMIC_CAST_DECL(VideoProcessingParams, BaseCodecParams)
public:
  Ipp32u      InterpolationMethod; // interpolation method to perform image resampling (see ippi.h)
  DeinterlacingMethod m_DeinterlacingMethod;  // deinterlacing method
  UMC::RECT   SrcCropArea;         // source crop region (zero region means full frame)

  VideoProcessingParams()
  {
    InterpolationMethod = 0;
    m_DeinterlacingMethod = NO_DEINTERLACING; //DEINTERLACING_BLEND;//DEINTERLACING_DUPLICATE;
    memset(&SrcCropArea, 0, sizeof(SrcCropArea));
  }
};

//////////////////////////////////////////////////////////////////////

// auxiliary class
class VideoDataExt : public VideoData
{
  DYNAMIC_CAST_DECL(VideoDataExt, VideoData)
public:
  Status Crop(UMC::RECT SrcCropArea);
  Status Convert_YV12_To_YUV420();
};

//////////////////////////////////////////////////////////////////////

#define MAX_NUM_FILTERS  8

class VideoProcessing : public BaseCodec
{
  DYNAMIC_CAST_DECL(VideoProcessing, BaseCodec)
public:
  VideoProcessing();
  virtual ~VideoProcessing();

  virtual Status Init(BaseCodecParams *init);

  virtual Status AddFilter(BaseCodec *filter, int atEnd);

  virtual Status GetFrame(MediaData *input, MediaData *output);

  virtual Status GetInfo(BaseCodecParams *info);

  virtual Status Close(void);

  virtual Status Reset(void);

  virtual Status SetParams(BaseCodecParams *params);

protected:
  VideoProcessingParams   Param;
  int numFilters;
  int iDeinterlacing;
  int iColorConv;
  int iColorConv0;
  int iResizing;
  bool bSrcCropArea;
  BaseCodec *pFilter[MAX_NUM_FILTERS];
  bool bFiltering[MAX_NUM_FILTERS];
  VideoData tmpData[MAX_NUM_FILTERS];
  VideoDataExt tmp_in[1];
  VideoDataExt tmp_out[1];
};

} // namespace UMC

#endif /* __UMC_VIDEO_PROCESSING_H__ */