158 lines
4.0 KiB
C++
158 lines
4.0 KiB
C++
/* This file is a part of plaYUVer project
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* Copyright (C) 2014-2016 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 StreamHandlerOpenCV.cpp
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* \ingroup PlaYUVerLib
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* \brief Interface with opencv lib
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*/
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#include <cstdio>
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#include "StreamHandlerOpenCV.h"
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#include "PlaYUVerFrame.h"
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#include "PlaYUVerFramePixelFormats.h"
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#include "LibMemory.h"
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using cv::Mat;
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using cv::VideoCapture;
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std::vector<PlaYUVerSupportedFormat> StreamHandlerOpenCV::supportedReadFormats()
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{
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INI_REGIST_PLAYUVER_SUPPORTED_FMT;
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// REGIST_PLAYUVER_SUPPORTED_FMT( &StreamHandlerOpenCV::Create, "Portable Network Graphics", "png" );
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// REGIST_PLAYUVER_SUPPORTED_FMT( &StreamHandlerOpenCV::Create, "Device", "/dev/" );
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END_REGIST_PLAYUVER_SUPPORTED_FMT;
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}
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std::vector<PlaYUVerSupportedFormat> StreamHandlerOpenCV::supportedWriteFormats()
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{
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INI_REGIST_PLAYUVER_SUPPORTED_FMT;
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APPEND_PLAYUVER_SUPPORTED_FMT( StreamHandlerOpenCV, Read );
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REGIST_PLAYUVER_SUPPORTED_FMT( &StreamHandlerOpenCV::Create, "Portable PixMap ", "ppm" );
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REGIST_PLAYUVER_SUPPORTED_FMT( &StreamHandlerOpenCV::Create, "Joint Photographic Experts Group", "jpg" );
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REGIST_PLAYUVER_SUPPORTED_FMT( &StreamHandlerOpenCV::Create, "Windows Bitmap", "bmp" );
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END_REGIST_PLAYUVER_SUPPORTED_FMT;
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}
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StreamHandlerOpenCV::StreamHandlerOpenCV()
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{
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pcMat = NULL;
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pcVideoCapture = NULL;
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}
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Bool StreamHandlerOpenCV::openHandler( String strFilename, Bool bInput )
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{
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m_cFilename = strFilename;
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if( bInput )
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{
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/*
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* Special filename to handle webcam input
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*/
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if( m_cFilename.find( "/dev/video" ) != String::npos )
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{
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m_strFormatName = "DEV";
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m_strCodecName = "Raw Video";
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pcVideoCapture = new VideoCapture( 0 );
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m_uiWidth = pcVideoCapture->get( CV_CAP_PROP_FRAME_WIDTH );
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m_uiHeight = pcVideoCapture->get( CV_CAP_PROP_FRAME_HEIGHT );
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m_dFrameRate = 25;
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}
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else
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{
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m_strCodecName = m_strFormatName = uppercase (strFilename.substr( strFilename.find_last_of( "." ) + 1 ) );
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pcMat = new Mat( cv::imread( m_cFilename ) );
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m_uiWidth = pcMat->cols;
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m_uiHeight = pcMat->rows;
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m_dFrameRate = 1;
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}
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m_uiBitsPerPixel = 8;
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m_iPixelFormat = PlaYUVerFrame::findPixelFormat( "BGR24" );
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}
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return true;
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}
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Void StreamHandlerOpenCV::closeHandler()
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{
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if( pcVideoCapture )
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{
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pcVideoCapture->release();
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delete pcVideoCapture;
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pcVideoCapture = NULL;
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}
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if( pcMat )
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{
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delete pcMat;
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}
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}
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Bool StreamHandlerOpenCV::configureBuffer( PlaYUVerFrame* pcFrame )
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{
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return true;
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}
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UInt64 StreamHandlerOpenCV::calculateFrameNumber()
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{
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if( pcVideoCapture )
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{
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return 2;
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}
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return 1;
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}
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Bool StreamHandlerOpenCV::seek( UInt64 iFrameNum )
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{
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return true;
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}
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Bool StreamHandlerOpenCV::read( PlaYUVerFrame* pcFrame )
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{
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Bool bRet = false;
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if( pcVideoCapture )
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{
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Mat cvMat;
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bRet = pcVideoCapture->read( cvMat );
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if( bRet )
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pcFrame->fromCvMat( &cvMat );
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}
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if( pcMat )
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{
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pcFrame->fromCvMat( pcMat );
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bRet = true;
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}
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return bRet;
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}
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Bool StreamHandlerOpenCV::write( PlaYUVerFrame* pcFrame )
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{
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Bool bRet = false;
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cv::Mat* pcCvFrame = pcFrame->getCvMat();
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if( pcCvFrame )
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{
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bRet = cv::imwrite( m_cFilename, *pcCvFrame );
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delete pcCvFrame;
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}
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return bRet;
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}
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