123 lines
4.1 KiB
C++
123 lines
4.1 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 CalypStreamHandlerIf.h
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* \brief Abstract class for stream handling
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*/
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#ifndef __CALYPSTREAMHANDLERIF_H__
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#define __CALYPSTREAMHANDLERIF_H__
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#include "CalypStream.h"
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#define INI_REGIST_CALYP_SUPPORTED_FMT \
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std::vector<CalypStreamFormat> formatsList; \
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CalypStreamFormat formatElem;
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#define END_REGIST_CALYP_SUPPORTED_FMT return formatsList;
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#define REGIST_CALYP_SUPPORTED_FMT( handler, name, ext ) \
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formatElem.formatName = name; \
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formatElem.formatExt = clpLowercase( ext ); \
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formatElem.formatFct = handler; \
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formatsList.push_back( formatElem )
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#define REGIST_CALYP_SUPPORTED_ABSTRACT_FMT( handler, name, pattern ) \
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formatElem.formatPattern = pattern; \
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REGIST_CALYP_SUPPORTED_FMT( handler, name, "" )
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#define APPEND_CALYP_SUPPORTED_FMT( class_name, fct ) \
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{ \
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std::vector<CalypStreamFormat> new_fmts = class_name::supported##fct##Formats(); \
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formatsList.insert( formatsList.end(), new_fmts.begin(), new_fmts.end() ); \
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}
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#define REGISTER_CALYP_STREAM_HANDLER( X ) \
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public: \
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static CalypStreamHandlerIf* Create() { return new X(); } \
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void Delete() { delete this; } \
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static std::vector<CalypStreamFormat> supportedReadFormats(); \
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static std::vector<CalypStreamFormat> supportedWriteFormats(); \
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// static int checkforSupportedFile( String, bool );
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/**
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* \class CalypStreamHandlerIf
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* \ingroup CalypStreamGrp
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* \brief Abstract class for stream handling
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*/
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class CalypStreamHandlerIf
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{
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friend class CalypStream;
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public:
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CalypStreamHandlerIf()
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: m_bIsInput( true )
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, m_bNative( true )
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, m_uiWidth( 0 )
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, m_uiHeight( 0 )
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, m_iPixelFormat( -1 )
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, m_uiBitsPerPixel( 8 )
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, m_iEndianness( -1 )
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, m_dFrameRate( 30 )
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, m_uiCurrFrameFileIdx( 0 )
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, m_uiTotalNumberFrames( 0 )
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, m_pStreamBuffer( NULL )
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, m_uiNBytesPerFrame( 0 )
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, m_isEOF( false )
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{
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}
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virtual ~CalypStreamHandlerIf() {}
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virtual void Delete() = 0;
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virtual bool openHandler( ClpString strFilename, bool bInput ) = 0;
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virtual void closeHandler() = 0;
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virtual bool configureBuffer( CalypFrame* pcFrame ) = 0;
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virtual bool seek( ClpULong iFrameNum ) = 0;
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virtual bool read( CalypFrame* pcFrame ) = 0;
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virtual bool write( CalypFrame* pcFrame ) = 0;
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virtual void calculateFrameNumber(){};
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ClpString getFormatName() { return m_strFormatName; }
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ClpString getCodecName() { return m_strCodecName; }
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protected:
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const char* m_pchHandlerName;
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ClpString m_strFormatName;
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ClpString m_strCodecName;
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bool m_bIsInput;
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bool m_bNative;
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ClpString m_cFilename;
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unsigned int m_uiWidth;
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unsigned int m_uiHeight;
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int m_iPixelFormat;
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unsigned int m_uiBitsPerPixel;
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int m_iEndianness;
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double m_dFrameRate;
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ClpULong m_uiCurrFrameFileIdx;
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ClpULong m_uiTotalNumberFrames;
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ClpByte* m_pStreamBuffer;
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ClpULong m_uiNBytesPerFrame;
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bool m_isEOF;
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};
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#endif // __CALYPSTREAMHANDLERIF_H__
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