yuvfileparams.cpp

来自「JMVM MPEG MVC/3DAV 测试平台 国际通用标准」· C++ 代码 · 共 57 行

#include "YUVFileParams.h"
#include "H264AVCCommonLib.h"
#include "H264AVCCommonLib/CommonDefs.h"
#include <iostream>

// ----------------------------------------------------------------------
//
// FUNCTION:	YUVFileParams::YUVFileParams
//
// INPUTS:	fileName:	Name of file to read from.
//		height, width:  Frame height and width.
//
// PURPOSE:	This constructor derives the parameters required to
//		read a frame into a PicBuffer object from the frame
//		height and width.
//
// MODIFIED:	Tue Mar 14, 2006
//
// ----------------------------------------------------------------------



YUVFileParams::YUVFileParams(const std::string& fileName, const int view_id,
			     const int height, const int width)
	:_fileName(fileName),_view_id(view_id), _height(height), _width(width), 
     _lumaSize( (_height + 2*YUV_Y_MARGIN)*(_width + 2*YUV_X_MARGIN) ),
     _bufSize( 3 * _lumaSize / 2 ),
     _lumaOffset( (_width + 2*YUV_X_MARGIN) * YUV_Y_MARGIN + YUV_X_MARGIN ),
     _cbOffset( ((_width/2) + YUV_X_MARGIN) * YUV_Y_MARGIN/2 + YUV_X_MARGIN/2 
		+ _lumaSize ),
     _crOffset( ((_width/2) + YUV_X_MARGIN) * YUV_Y_MARGIN/2 
		+ YUV_X_MARGIN/2 + 5*_lumaSize/4 ),
     _stride( _width + 2*YUV_X_MARGIN ) {
  if (0 == height || 0 == width) {
    std::cerr 
      << "Attempted to construct a YUVFileParams object with " << std::endl
      << "either height or width of 0.  Did you make sure to " << std::endl
      << "put the AddViewRef keywords in the config file     " << std::endl
      << "AFTER the SourceWidth and SourceHeight keywords.   " << std::endl;
    abort();
  }
 
}

YUVFileParams::YUVFileParams(const YUVFileParams& other) {
  _fileName = other._fileName;
  _view_id = other._view_id;
  _height = other._height;       
  _width = other._width;
  _lumaSize = other._lumaSize;
  _bufSize = other._bufSize;
  _lumaOffset = other._lumaOffset;
  _cbOffset = other._cbOffset;
  _crOffset = other._crOffset;
  _stride = other._stride;
}