382 lines
10 KiB
C++
382 lines
10 KiB
C++
/* This file is a part of Calyp project
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* Copyright (C) 2014-2019 by Joao Carreira (jfmcarreira@gmail.com)
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* Luis Lucas (luisfrlucas@gmail.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/**
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* \file CalypFrame.h
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* \ingroup CalypFrameGrp
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* \brief Video Frame handling
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*/
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#ifndef __CALYPFRAME_H__
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#define __CALYPFRAME_H__
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#include "CalypDefs.h"
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namespace cv
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{
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class Mat;
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}
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#define CHROMASHIFT( SIZE, SHIFT ) (unsigned int)( -( ( -( (int)( SIZE ) ) ) >> ( SHIFT ) ) )
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/**
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* \class CalypPixel
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* \ingroup CalypLibGrp CalypFrameGrp
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* \brief Pixel handling class
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*/
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class CalypPixel
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{
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public:
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static int getMaxNumberOfComponents();
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CalypPixel( const int& CalypColorSpace = CLP_COLOR_INVALID );
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CalypPixel( const int& CalypColorSpace, const ClpPel& c0 );
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CalypPixel( const int& CalypColorSpace, const ClpPel& c0, const ClpPel& c1, const ClpPel& c2 );
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CalypPixel( const int& CalypColorSpace, const ClpPel& c0, const ClpPel& c1, const ClpPel& c2, const ClpPel& c3 );
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CalypPixel( const CalypPixel& other );
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~CalypPixel();
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int colorSpace() const;
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ClpPel operator[]( const int& channel ) const;
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ClpPel& operator[]( const int& channel );
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CalypPixel operator=( const CalypPixel& );
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CalypPixel operator+( const CalypPixel& );
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CalypPixel operator+=( const CalypPixel& );
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CalypPixel operator-( const CalypPixel& );
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CalypPixel operator-=( const CalypPixel& );
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CalypPixel operator*( const double& );
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/**
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* Convert a Pixel to a new color space
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* @param inputPixel input pixel (CalypPixel)
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* @param eOutputSpace output color space
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* @return converted pixel
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*/
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CalypPixel convertPixel( CalypColorSpace eOutputSpace );
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private:
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struct CalypPixelPrivate* d;
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};
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/**
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* \class CalypFrame
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* \ingroup CalypLibGrp CalypFrameGrp
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* \brief Frame handling class
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*/
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class CalypFrame
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{
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public:
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/**
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* Function that handles the supported color space
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* of CalypFrame
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* @return vector of strings with pixel formats names
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*/
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static std::vector<ClpString> supportedColorSpacesListNames();
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/**
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* Function that handles the supported pixel formats
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* of CalypFrame
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* @return vector of strings with pixel formats names
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*/
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static std::vector<ClpString> supportedPixelFormatListNames();
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static std::vector<ClpString> supportedPixelFormatListNames( int colorSpace );
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static int numberOfFormats();
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static int findPixelFormat( const ClpString& name );
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/**
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* Creates a new frame using the following configuration
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*
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* @param width width of the frame
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* @param height height of the frame
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* @param pel_format pixel format index (always use PixelFormats enum)
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*
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* @note this function might misbehave if the pixel format enum is not correct
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*/
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CalypFrame( unsigned int width, unsigned int height, int pelFormat, unsigned bitsPixel = 8 );
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/**
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* Copy contructor
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*
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* @param other existing frame to copy from
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*/
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CalypFrame( const CalypFrame& other );
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CalypFrame( const CalypFrame* other );
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/**
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* Creates and new frame with the configuration of an existing one and copy
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* its contents. This function only copies a specific region from the existing
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* frame
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*
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* @param other existing frame to copy from
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* @param posX position X to crop from
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* @param posY position Y to crop from
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* @param areaWidth crop width
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* @param areaHeight crop height
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*/
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CalypFrame( const CalypFrame& other, unsigned int x, unsigned int y, unsigned int width, unsigned int height );
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CalypFrame( const CalypFrame* other, unsigned int x, unsigned int y, unsigned int width, unsigned int height );
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~CalypFrame();
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/** Format match opts
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*/
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enum FormatMatching
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{
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MATCH_COLOR_SPACE = 1,
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MATCH_RESOLUTION = 2,
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MATCH_PEL_FMT = 4,
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MATCH_BITS = 8,
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MATCH_COLOR_SPACE_IGNORE_GRAY = 16,
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MATCH_ALL = 0xFFFF,
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};
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/**
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* Check if two CalypFrames have the same fmt
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* @param other frame to compare with
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* @param match matching conditions (use enum FormatMatching)
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* @return true if format matches
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*/
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bool haveSameFmt( const CalypFrame& other, unsigned int match = MATCH_ALL ) const;
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bool haveSameFmt( const CalypFrame* other, unsigned int match = MATCH_ALL ) const;
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/**
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* Get pixel format information
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* @return pixel format index
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*/
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int getPelFormat() const;
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/**
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* Get pixel format information
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* @return pixel format name
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*/
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ClpString getPelFmtName();
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/**
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* Get color space information
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* @return get color space index
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*/
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int getColorSpace() const;
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/**
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* Get the number of channels
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* @return number of channels
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*/
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unsigned int getNumberChannels() const;
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/**
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* Get width of the frame
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* @param channel/component
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* @return number of pixels
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*/
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unsigned int getWidth( int channel = 0 ) const;
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/**
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* Get height of the frame
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* @param channel/component
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* @return number of pixels
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*/
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unsigned int getHeight( int channel = 0 ) const;
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/**
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* Get number of pixels of the frame
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* @param channel/component
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* @return number of pixels
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*/
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ClpULong getPixels( int channel = 0 ) const;
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/**
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* Get the total number of pixels of the frame
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* @return number of pixels
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*/
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ClpULong getTotalNumberOfPixels() const;
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/**
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* Get chroma width ratio
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* @return ratio multiple of 2
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*/
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unsigned char getChromaWidthRatio() const;
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/**
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* Get chroma height ratio
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* @return ratio multiple of 2
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*/
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unsigned char getChromaHeightRatio() const;
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/**
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* Get number of pixels in each chroma channel
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* @return number of pixels
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*/
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ClpULong getChromaLength() const;
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/**
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* Get number of bits per pixel
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* @return number of bits
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*/
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unsigned int getBitsPel() const;
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/**
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* Get number of bytes per frame of an existing frame
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* @return number of bytes per frame
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*/
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ClpULong getBytesPerFrame();
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/**
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* Get number of bytes per frame of a specific pixel format
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* @return number of bytes per frame
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*/
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static ClpULong getBytesPerFrame( unsigned int uiWidth, unsigned int uiHeight, int iPixelFormat, unsigned int bitsPixel );
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/**
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* Reset frame pixels to zero
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*/
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void reset();
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ClpPel*** getPelBufferYUV() const;
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ClpPel*** getPelBufferYUV();
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unsigned char* getRGBBuffer() const;
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/**
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* Get pixel value at coordinates
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* @param ch frame channel
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* @param xPos position in X axis
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* @param yPos position in Y axis
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* @return pixel value
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*/
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ClpPel operator()( unsigned int ch, unsigned int xPos, unsigned int yPos );
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/**
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* Get pixel value at coordinates
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* @param xPos position in X axis
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* @param yPos position in Y axis
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* @return pixel value
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*/
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CalypPixel operator()( unsigned int xPos, unsigned int yPos );
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/**
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* Get pixel value at coordinates
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* @param xPos position in X axis
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* @param yPos position in Y axis
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* @return pixel value
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*/
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CalypPixel getPixel( unsigned int xPos, unsigned int yPos );
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/**
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* Get pixel value at coordinates
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* in the desired color space
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* @param xPos position in X axis
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* @param yPos position in Y axis
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* @param eColorSpace desired color space
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* @return pixel value
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*/
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CalypPixel getPixel( unsigned int xPos, unsigned int yPos, CalypColorSpace eColorSpace );
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/**
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* Set pixel value at coordinates to a given value
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* @param xPos position in X axis
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* @param yPos position in Y axis
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*/
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void setPixel( unsigned int xPos, unsigned int yPos, CalypPixel pixel );
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void copyFrom( const CalypFrame& );
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void copyFrom( const CalypFrame* );
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void copyFrom( const CalypFrame&, unsigned int, unsigned int );
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void copyFrom( const CalypFrame*, unsigned int, unsigned int );
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void copyTo( const CalypFrame&, unsigned int, unsigned int );
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void copyTo( const CalypFrame*, unsigned int, unsigned int );
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void frameFromBuffer( ClpByte*, int, unsigned long );
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void frameFromBuffer( ClpByte*, int );
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void frameToBuffer( ClpByte*, int );
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void fillRGBBuffer();
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/**
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* Histogram
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*/
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enum HistogramChannels
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{
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HIST_CHAN_ONE = 0,
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HIST_CHAN_TWO,
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HIST_CHAN_THREE,
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HIST_CHAN_FOUR,
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HIST_LUMA = 10,
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HIST_CHROMA_U,
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HIST_CHROMA_V,
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HIST_COLOR_R = 20,
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HIST_COLOR_G,
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HIST_COLOR_B,
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HIST_COLOR_A,
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HIST_ALL_CHANNELS = 254,
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HISTOGRAM_MAX = 255,
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};
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void calcHistogram();
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unsigned int getMinimumPelValue( int channel );
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unsigned int getMaximumPelValue( int channel );
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unsigned int getMaximum( int channel );
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unsigned int getNumPixelsRange( int channel, unsigned int start, unsigned int end );
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double getMean( int channel, unsigned int start, unsigned int end );
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int getMedian( int channel, unsigned int start, unsigned int end );
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double getStdDev( int channel, unsigned int start, unsigned int end );
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double getHistogramValue( int channel, unsigned int bin );
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int getNumHistogramSegment();
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/**
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* interface with OpenCV lib
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*/
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bool toMat( cv::Mat& cvMat, bool convertToGray = false );
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bool fromMat( cv::Mat& cvMat );
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/**
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* \ingroup CalypFrameGrp
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* @defgroup CalypFrameQualityMetricsGrp Calyp Frame Quality Metrics interface
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* @{
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* Quality metrics interface
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*
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*/
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enum QualityMetrics
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{
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NO_METRIC = -1,
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PSNR_METRIC = 0,
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MSE_METRIC,
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SSIM_METRIC,
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NUMBER_METRICS,
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};
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static std::vector<ClpString> supportedQualityMetricsList();
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static std::vector<ClpString> supportedQualityMetricsUnitsList();
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double getQuality( int Metric, CalypFrame* Org, unsigned int component );
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double getMSE( CalypFrame* Org, unsigned int component );
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double getPSNR( CalypFrame* Org, unsigned int component );
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double getSSIM( CalypFrame* Org, unsigned int component );
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/** @} */
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private:
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struct CalypFramePrivate* d;
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};
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#endif // __CALYPFRAME_H__
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