121 lines
4.1 KiB
C++
121 lines
4.1 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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* 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 <vector>
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#include "CalypDefs.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 std::unique_ptr<CalypStreamHandlerIf> Create() { return std::make_unique<X>(); } \
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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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virtual ~CalypStreamHandlerIf() {}
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virtual bool openHandler( std::string strFilename, bool bInput ) = 0;
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virtual void closeHandler() = 0;
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virtual bool configureBuffer( const CalypFrame& pcFrame ) = 0;
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virtual bool seek( std::uint64_t iFrameNum ) = 0;
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virtual bool read( CalypFrame& pcFrame ) = 0;
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virtual bool write( const CalypFrame& pcFrame ) = 0;
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virtual void calculateFrameNumber(){};
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std::string getFormatName()
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{
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return m_strFormatName;
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}
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std::string getCodecName()
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{
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return m_strCodecName;
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}
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protected:
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CalypStreamHandlerIf() = default;
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CalypStreamHandlerIf( bool supportsFormats )
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: m_bSupportsFormat{ supportsFormats }
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{
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}
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const char* m_pchHandlerName{ "" };
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const bool m_bSupportsFormat{ false };
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std::string m_strFormatName;
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std::string m_strCodecName;
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bool m_bIsInput{ true };
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bool m_bNative{ true };
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std::string m_cFilename;
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unsigned int m_uiWidth{ 0 };
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unsigned int m_uiHeight{ 0 };
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int m_iPixelFormat{ -1 };
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unsigned int m_uiBitsPerPixel{ 8 };
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int m_iEndianness{ CLP_INVALID_ENDIANESS };
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double m_dFrameRate{ 30 };
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std::uint64_t m_uiCurrFrameFileIdx{ 0 };
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std::uint64_t m_uiTotalNumberFrames{ 0 };
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std::vector<ClpByte> m_pStreamBuffer;
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std::uint64_t m_uiNBytesPerFrame{ 0 };
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bool m_isEOF{ false };
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};
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#endif // __CALYPSTREAMHANDLERIF_H__
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