jfmcarreira
e0695f9cdc
Conditions were not proper checking if frame exists Change on some variables name Still incomplete the code and some variable must be renamed to include code style
136 lines
3.3 KiB
C++
Executable File
136 lines
3.3 KiB
C++
Executable File
/* This file is a part of plaYUVer project
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* Copyright (C) 2014 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 PlaYUVerFrameStatistics.h
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* \brief Measure PlaYUVerFrame statistics
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* Based on the work of Ricardo N. Rocha Sardo in SCode project
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*/
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#ifndef __PLAYUVERFRAMESTATISTICS_H_
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#define __PLAYUVERFRAMESTATISTICS_H_
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#include <QThread>
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#include "PlaYUVerFrame.h"
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class QObject;
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namespace plaYUVer
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{
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class PlaYUVerFrameStatisticsPrivate;
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/**
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* Esta classe permite obter o histograma de uma imagem assim como algumas
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* estatísticas.
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*/
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class PlaYUVerFrameStatistics: public QThread
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{
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public:
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enum StatisticsChannel
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{
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LumaChannel = 0,
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RedChannel,
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GreenChannel,
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BlueChannel,
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AlphaChannel,
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YChannel,
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CbChannel,
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CrChannel
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};
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enum Options
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{
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CalcLumaWhenRGB = 0
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};
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/**
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* Custom Event
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*/
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class EventData: public QEvent
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{
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public:
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EventData() :
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QEvent( QEvent::User )
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{
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starting = false;
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success = false;
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histogram = 0;
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}
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bool starting;
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bool success;
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PlaYUVerFrameStatistics *histogram;
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};
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public:
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PlaYUVerFrameStatistics( uchar *data, uint width, uint height, int bitsPerChannel, Int pixel_format, QObject *parent = 0, Options options = CalcLumaWhenRGB );
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PlaYUVerFrameStatistics( const PlaYUVerFrame& playuver_frame, QObject *parent = 0, Options options = CalcLumaWhenRGB );
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~PlaYUVerFrameStatistics();
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void setup( Pel *data, uint width, uint height, int bitsPerChannel, Int pixel_format, QObject *parent = 0, Options options = CalcLumaWhenRGB );
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/** Method to stop threaded computations.*/
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void stopCalcHistogramValues( void );
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// Methods for to manipulate the histogram data.
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double getCount( int channel, int start, int end );
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double getMean( int channel, int start, int end );
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/**
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* @return Number of image pixels
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*/
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double getPixels();
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double getStdDev( int channel, int start, int end );
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double getValue( int channel, int bin );
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double getMaximum( int channel );
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/**
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* @return Number of histogram segments: 256 or 65536 for 8 or 16 bits per
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* sample.
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*/
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int getHistogramSegment( void );
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int getMedian( int channel, int start, int end );
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private:
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PlaYUVerFrameStatisticsPrivate *d;
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private:
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int getRealHistoChannel( int channel );
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void calcHistogramValues();
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void postProgress( bool starting, bool success );
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protected:
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virtual void run();
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};
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} // NAMESPACE
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#endif // __PLAYUVERFRAMESTATISTICS_H_
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