69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
/* This file is a part of Calyp project
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* Copyright (C) 2014-2021 by Joao Carreira (jfmcarreira@gmail.com)
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*
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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 testStreamReading.cpp
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* \brief Example of open and reading from a stream
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*/
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#include <chrono>
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#include <iostream>
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#include "CalypFrame.h"
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#include "CalypStream.h"
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int main( int argc, char* argv[] )
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{
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// Use auto keyword to avoid typing long
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// type definitions to get the timepoint
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// at this instant use function now()
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auto start = std::chrono::high_resolution_clock::now();
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double n = 0;
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CalypStream stream;
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stream.open( std::string( CALYP_TEST_DATA_DIR ) + std::string( "/Foreman.yuv" ), 352, 288, 0, 8, CLP_BIG_ENDIAN, 1, true );
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while( 1 )
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{
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CalypFrame* frame = stream.getCurrFrame();
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frame->fillRGBBuffer();
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n++;
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if( stream.setNextFrame() )
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break;
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stream.readNextFrame();
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}
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// After function call
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auto stop = std::chrono::high_resolution_clock::now();
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// Subtract stop and start timepoints and
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// cast it to required unit. Predefined units
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// are nanoseconds, microseconds, milliseconds,
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// seconds, minutes, hours. Use duration_cast()
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// function.
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auto duration = std::chrono::duration_cast<std::chrono::microseconds>( stop - start );
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// To get the value of duration use the count()
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// member function on the duration object
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std::cout << duration.count() / 1000.0 / n << std::endl;
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return 0;
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}
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