+++ /dev/null
-/*
-Copyright (c) 2005-2011, John Hurst
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-3. The name of the author may not be used to endorse or promote products
- derived from this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
-IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
-INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-/*! \file KLV.h
- \version $Id: KLV.h,v 1.29 2014/09/21 13:27:43 jhurst Exp $
- \brief KLV objects
-*/
-
-#ifndef _KLV_H_
-#define _KLV_H_
-
-#include <asdcp/KM_fileio.h>
-#include <asdcp/KM_memio.h>
-#include <asdcp/AS_DCP.h>
-#include "MDD.h"
-#include <map>
-
-
-namespace ASDCP
-{
- const ui32_t MXF_BER_LENGTH = 4;
- const ui32_t MXF_TAG_LENGTH = 2;
- const ui32_t SMPTE_UL_LENGTH = 16;
- const ui32_t SMPTE_UMID_LENGTH = 32;
- const byte_t SMPTE_UL_START[4] = { 0x06, 0x0e, 0x2b, 0x34 };
-
-#ifndef MAX_KLV_PACKET_LENGTH
- const ui32_t MAX_KLV_PACKET_LENGTH = 1024*1024*64;
-#endif
-
- const ui32_t IdentBufferLen = 128;
- const ui32_t IntBufferLen = 64;
-
-inline const char* i64sz(i64_t i, char* buf)
-{
- assert(buf);
-#ifdef WIN32
- snprintf(buf, IntBufferLen, "%I64d", i);
-#else
- snprintf(buf, IntBufferLen, "%lld", i);
-#endif
- return buf;
-}
-
-inline const char* ui64sz(ui64_t i, char* buf)
-{
- assert(buf);
-#ifdef WIN32
- snprintf(buf, IntBufferLen, "%I64u", i);
-#else
- snprintf(buf, IntBufferLen, "%llu", i);
-#endif
- return buf;
-}
-
- struct TagValue
- {
- byte_t a;
- byte_t b;
-
- inline bool operator<(const TagValue& rhs) const {
- if ( a < rhs.a ) return true;
- if ( a == rhs.a && b < rhs.b ) return true;
- return false;
- }
-
- inline bool operator==(const TagValue& rhs) const {
- if ( a != rhs.a ) return false;
- if ( b != rhs.b ) return false;
- return true;
- }
- };
-
- using Kumu::UUID;
-
- // Universal Label
- class UL : public Kumu::Identifier<SMPTE_UL_LENGTH>
- {
- public:
- UL() {}
- UL(const UL& rhs) : Kumu::Identifier<SMPTE_UL_LENGTH>(rhs) {}
- UL(const byte_t* value) : Kumu::Identifier<SMPTE_UL_LENGTH>(value) {}
- virtual ~UL() {}
-
- const char* EncodeString(char* str_buf, ui32_t buf_len) const;
- bool operator==(const UL& rhs) const;
- bool MatchIgnoreStream(const UL& rhs) const;
- bool ExactMatch(const UL& rhs) const;
- };
-
- // UMID
- class UMID : public Kumu::Identifier<SMPTE_UMID_LENGTH>
- {
- public:
- UMID() {}
- UMID(const UMID& rhs) : Kumu::Identifier<SMPTE_UMID_LENGTH>(rhs) {}
- UMID(const byte_t* value) : Kumu::Identifier<SMPTE_UMID_LENGTH>(value) {}
- virtual ~UMID() {}
-
- void MakeUMID(int Type);
- void MakeUMID(int Type, const UUID& ID);
- const char* EncodeString(char* str_buf, ui32_t buf_len) const;
- };
-
- const byte_t nil_UMID[SMPTE_UMID_LENGTH] = {0};
- const UMID NilUMID(nil_UMID);
-
- //
- struct MDDEntry
- {
- byte_t ul[SMPTE_UL_LENGTH];
- TagValue tag;
- bool optional;
- const char* name;
- };
-
- const MDDEntry& MXFInterop_OPAtom_Entry();
- const MDDEntry& SMPTE_390_OPAtom_Entry();
-
- //
- class Dictionary
- {
- std::map<ASDCP::UL, ui32_t> m_md_lookup;
- std::map<std::string, ui32_t> m_md_sym_lookup;
- std::map<ui32_t, ASDCP::UL> m_md_rev_lookup;
-
- ASDCP_NO_COPY_CONSTRUCT(Dictionary);
-
- public:
- MDDEntry m_MDD_Table[(ui32_t)ASDCP::MDD_Max];
-
- Dictionary();
- ~Dictionary();
-
- void Init();
- bool AddEntry(const MDDEntry& Entry, ui32_t index);
- bool DeleteEntry(ui32_t index);
-
- const MDDEntry* FindUL(const byte_t*) const;
- const MDDEntry* FindSymbol(const std::string&) const;
- const MDDEntry& Type(MDD_t type_id) const;
-
- inline const byte_t* ul(MDD_t type_id) const {
- return Type(type_id).ul;
- }
-
- void Dump(FILE* = 0) const;
- };
-
-
- const Dictionary& DefaultSMPTEDict();
- const Dictionary& DefaultInteropDict();
- const Dictionary& DefaultCompositeDict();
-
- void default_md_object_init();
-
- //
- class IPrimerLookup
- {
- public:
- virtual ~IPrimerLookup() {}
- virtual void ClearTagList() = 0;
- virtual Result_t InsertTag(const MDDEntry& Entry, ASDCP::TagValue& Tag) = 0;
- virtual Result_t TagForKey(const ASDCP::UL& Key, ASDCP::TagValue& Tag) = 0;
- };
-
- //
- class KLVPacket
- {
- ASDCP_NO_COPY_CONSTRUCT(KLVPacket);
-
- protected:
- const byte_t* m_KeyStart;
- ui32_t m_KLLength;
- const byte_t* m_ValueStart;
- ui64_t m_ValueLength;
- UL m_UL;
-
- public:
- KLVPacket() : m_KeyStart(0), m_KLLength(0), m_ValueStart(0), m_ValueLength(0) {}
- virtual ~KLVPacket() {}
-
- inline ui64_t PacketLength() {
- return m_KLLength + m_ValueLength;
- }
-
- inline ui64_t ValueLength() {
- return m_ValueLength;
- }
-
- inline ui32_t KLLength() {
- return m_KLLength;
- }
-
- virtual UL GetUL();
- virtual bool SetUL(const UL&);
- virtual bool HasUL(const byte_t*);
- virtual Result_t InitFromBuffer(const byte_t*, ui32_t);
- virtual Result_t InitFromBuffer(const byte_t*, ui32_t, const UL& label);
- virtual Result_t WriteKLToBuffer(ASDCP::FrameBuffer&, const UL& label, ui32_t length);
-
- virtual Result_t WriteKLToBuffer(ASDCP::FrameBuffer& fb, ui32_t length)
- {
- if ( ! m_UL.HasValue() )
- {
- return RESULT_STATE;
- }
-
- return WriteKLToBuffer(fb, m_UL, length);
- }
-
- virtual void Dump(FILE*, const Dictionary& Dict, bool show_value);
- };
-
- //
- class KLVFilePacket : public KLVPacket
- {
- ASDCP_NO_COPY_CONSTRUCT(KLVFilePacket);
-
- public:
- ASDCP::FrameBuffer m_Buffer;
-
- KLVFilePacket() {}
- virtual ~KLVFilePacket() {}
-
- virtual Result_t InitFromFile(const Kumu::FileReader&);
- virtual Result_t InitFromFile(const Kumu::FileReader&, const UL& label);
- virtual Result_t WriteKLToFile(Kumu::FileWriter& Writer, const UL& label, ui32_t length);
- };
-
-} // namespace ASDCP
-
-#endif // _KLV_H_
-
-
-//
-// end KLV.h
-//
projects / asdcplib-cth.git / blobdiff