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#ifndef __FLV_Handler_hpp__
#define __FLV_Handler_hpp__ 1
// =================================================================================================
// Copyright Adobe
// Copyright 2020 Adobe
// All Rights Reserved
//
// NOTICE: Adobe permits you to use, modify, and distribute this file in accordance with the terms
// of the Adobe license agreement accompanying it.
// =================================================================================================
#include "public/include/XMP_Environment.h" // ! XMP_Environment.h must be the first included header.
#include "public/include/XMP_Const.h"
#include "public/include/XMP_IO.hpp"
#include "XMPFiles/source/XMPFiles_Impl.hpp"
#include "source/XMPFiles_IO.hpp"
// ================================================================================================
/// \file FLV_Handler.hpp
/// \brief File format handler for FLV.
///
/// This header ...
///
// ================================================================================================
extern XMPFileHandler * FLV_MetaHandlerCTor ( XMPFiles * parent );
extern bool FLV_CheckFormat ( XMP_FileFormat format,
XMP_StringPtr filePath,
XMP_IO* fileRef,
XMPFiles * parent );
static const XMP_OptionBits kFLV_HandlerFlags = ( kXMPFiles_CanInjectXMP |
kXMPFiles_CanExpand |
kXMPFiles_CanRewrite |
kXMPFiles_PrefersInPlace |
kXMPFiles_CanReconcile |
kXMPFiles_AllowsOnlyXMP |
kXMPFiles_ReturnsRawPacket |
kXMPFiles_AllowsSafeUpdate |
kXMPFiles_CanNotifyProgress
);
class FLV_MetaHandler : public XMPFileHandler
{
public:
void CacheFileData();
void ProcessXMP();
void UpdateFile ( bool doSafeUpdate );
void WriteTempFile ( XMP_IO* tempRef );
FLV_MetaHandler ( XMPFiles * _parent );
virtual ~FLV_MetaHandler();
private:
FLV_MetaHandler() : flvHeaderLen(0), longXMP(false),
xmpTagPos(0), omdTagPos(0), xmpTagLen(0), omdTagLen(0) {}; // Hidden on purpose.
void ExtractLiveXML();
void MakeLegacyDigest ( std::string * digestStr );
XMP_Uns32 flvHeaderLen;
bool longXMP; // True if the stored XMP is a long string (4 byte length).
XMP_Uns64 xmpTagPos, omdTagPos; // The file offset and length of onXMP and onMetaData tags.
XMP_Uns32 xmpTagLen, omdTagLen; // Zero if the tag is not present.
std::string onXMP, onMetaData; // ! Actually contains structured binary data.
}; // FLV_MetaHandler
// =================================================================================================
#endif // __FLV_Handler_hpp__
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