109 lines
3.0 KiB
C++
109 lines
3.0 KiB
C++
/* This file is a part of plaYUVer project
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* Copyright (C) 2014-2015 by Luis Lucas (luisfrlucas@gmail.com)
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* Joao Carreira (jfmcarreira@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 PlaYUVerFramePixelFormats.h
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* \brief Handling the pixel formats definition
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*/
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#ifndef __PLAYUVERFRAMEPIXELFORMATS_H__
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#define __PLAYUVERFRAMEPIXELFORMATS_H__
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#include "PlaYUVerDefs.h"
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#include "PlaYUVerFrame.h"
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namespace plaYUVer
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{
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static inline Void yuvToRgb( Int iY, Int iU, Int iV, Int &iR, Int &iG, Int &iB )
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{
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iR = iY + 1402 * iV / 1000;
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iG = iY - ( 101004 * iU + 209599 * iV ) / 293500;
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iB = iY + 1772 * iU / 1000;
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if( iR < 0 )
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iR = 0;
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if( iG < 0 )
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iG = 0;
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if( iB < 0 )
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iB = 0;
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if( iR > 255 )
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iR = 255;
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if( iG > 255 )
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iG = 255;
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if( iB > 255 )
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iB = 255;
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}
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static inline Void rgbToYuv( Int iR, Int iG, Int iB, Int &iY, Int &iU, Int &iV )
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{
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iY = ( 299 * iR + 587 * iG + 114 * iB + 500 ) / 1000;
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iU = ( 1000 * ( iB - iY ) + 226816 ) / 1772;
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iV = ( 1000 * ( iR - iY ) + 179456 ) / 1402;
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}
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inline Int pelRed( UInt rgb ) // get red part of RGB
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{
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return ( ( rgb >> 16 ) & 0xff );
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}
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inline Int pelGreen( UInt rgb ) // get green part of RGB
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{
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return ( ( rgb >> 8 ) & 0xff );
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}
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inline Int pelBlue( UInt rgb ) // get blue part of RGB
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{
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return ( rgb & 0xff );
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}
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inline Int pelAlpha( UInt rgb ) // get alpha part of RGBA
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{
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return rgb >> 24;
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}
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inline UInt pelRgb( Int r, Int g, Int b ) // set RGB value
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{
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return ( 0xffu << 24 ) | ( ( r & 0xff ) << 16 ) | ( ( g & 0xff ) << 8 ) | ( b & 0xff );
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}
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struct structPlaYUVerFramePelFormat
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{
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const Char* name;
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Int colorSpace;
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UInt numberChannels;
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Int ratioChromaWidth;
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Int ratioChromaHeight;
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Void (*frameFromBuffer)( Pel *in, Pel*** out, UInt width, UInt height );
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Void (*bufferFromFrame)( Pel ***in, Pel* out, UInt width, UInt height );
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Void (*fillRGBbuffer)( Pel*** in, UChar* out, UInt width, UInt height );
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Int ffmpegPelFormat;
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};
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typedef struct structPlaYUVerFramePelFormat PlaYUVerFramePelFormat;
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#define PLAYUVER_NUMBER_FORMATS 7
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extern PlaYUVerFramePelFormat g_PlaYUVerFramePelFormatsList[PLAYUVER_NUMBER_FORMATS];
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} // NAMESPACE
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#endif // __PLAYUVERFRAMEPIXELFORMATS_H__
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