2 Copyright (c) 2005-2018, John Hurst
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions
8 1. Redistributions of source code must retain the above copyright
9 notice, this list of conditions and the following disclaimer.
10 2. Redistributions in binary form must reproduce the above copyright
11 notice, this list of conditions and the following disclaimer in the
12 documentation and/or other materials provided with the distribution.
13 3. The name of the author may not be used to endorse or promote products
14 derived from this software without specific prior written permission.
16 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 #include <KM_fileio.h>
44 const ui32_t MXF_BER_LENGTH = 4;
45 const ui32_t MXF_TAG_LENGTH = 2;
46 const ui32_t SMPTE_UL_LENGTH = 16;
47 const ui32_t SMPTE_UMID_LENGTH = 32;
48 const byte_t SMPTE_UL_START[4] = { 0x06, 0x0e, 0x2b, 0x34 };
50 #ifndef MAX_KLV_PACKET_LENGTH
51 const ui32_t MAX_KLV_PACKET_LENGTH = 1024*1024*64;
54 const ui32_t IdentBufferLen = 128;
55 const ui32_t IntBufferLen = 64;
57 inline const char* i64sz(i64_t i, char* buf)
61 snprintf(buf, IntBufferLen, "%I64d", i);
63 snprintf(buf, IntBufferLen, "%lld", i);
68 inline const char* ui64sz(ui64_t i, char* buf)
72 snprintf(buf, IntBufferLen, "%I64u", i);
74 snprintf(buf, IntBufferLen, "%llu", i);
84 inline bool operator<(const TagValue& rhs) const {
85 if ( a < rhs.a ) return true;
86 if ( a == rhs.a && b < rhs.b ) return true;
90 inline bool operator==(const TagValue& rhs) const {
91 if ( a != rhs.a ) return false;
92 if ( b != rhs.b ) return false;
100 class UL : public Kumu::Identifier<SMPTE_UL_LENGTH>
104 UL(const UL& rhs) : Kumu::Identifier<SMPTE_UL_LENGTH>(rhs) {}
105 UL(const byte_t* value) : Kumu::Identifier<SMPTE_UL_LENGTH>(value) {}
108 const char* EncodeString(char* str_buf, ui32_t buf_len) const;
109 bool operator==(const UL& rhs) const;
110 bool MatchIgnoreStream(const UL& rhs) const;
111 bool MatchExact(const UL& rhs) const;
115 class UMID : public Kumu::Identifier<SMPTE_UMID_LENGTH>
119 UMID(const UMID& rhs) : Kumu::Identifier<SMPTE_UMID_LENGTH>(rhs) {}
120 UMID(const byte_t* value) : Kumu::Identifier<SMPTE_UMID_LENGTH>(value) {}
123 void MakeUMID(int Type);
124 void MakeUMID(int Type, const UUID& ID);
125 const char* EncodeString(char* str_buf, ui32_t buf_len) const;
128 const byte_t nil_UMID[SMPTE_UMID_LENGTH] = {0};
129 const UMID NilUMID(nil_UMID);
134 byte_t ul[SMPTE_UL_LENGTH];
140 const MDDEntry& MXFInterop_OPAtom_Entry();
141 const MDDEntry& SMPTE_390_OPAtom_Entry();
146 std::map<ASDCP::UL, ui32_t> m_md_lookup;
147 std::map<std::string, ui32_t> m_md_sym_lookup;
148 std::map<ui32_t, ASDCP::UL> m_md_rev_lookup;
150 ASDCP_NO_COPY_CONSTRUCT(Dictionary);
153 MDDEntry m_MDD_Table[(ui32_t)ASDCP::MDD_Max];
159 bool AddEntry(const MDDEntry& Entry, ui32_t index);
160 bool DeleteEntry(ui32_t index);
162 const MDDEntry* FindULAnyVersion(const byte_t*) const;
163 const MDDEntry* FindULExact(const byte_t*) const;
164 const MDDEntry* FindSymbol(const std::string&) const;
165 const MDDEntry& Type(MDD_t type_id) const;
166 MDDEntry& MutableType(MDD_t type_id);
168 inline const byte_t* ul(MDD_t type_id) const {
169 return Type(type_id).ul;
172 void Dump(FILE* = 0) const;
176 const Dictionary& AtmosSMPTEDict();
177 const Dictionary& DefaultSMPTEDict();
178 const Dictionary& DefaultInteropDict();
179 const Dictionary& DefaultCompositeDict();
181 void default_md_object_init();
187 virtual ~IPrimerLookup() {}
188 virtual void ClearTagList() = 0;
189 virtual Result_t InsertTag(const MDDEntry& Entry, ASDCP::TagValue& Tag) = 0;
190 virtual Result_t TagForKey(const ASDCP::UL& Key, ASDCP::TagValue& Tag) = 0;
196 ASDCP_NO_COPY_CONSTRUCT(KLVPacket);
199 const byte_t* m_KeyStart;
201 const byte_t* m_ValueStart;
202 ui64_t m_ValueLength;
206 KLVPacket() : m_KeyStart(0), m_KLLength(0), m_ValueStart(0), m_ValueLength(0) {}
207 virtual ~KLVPacket() {}
209 inline ui64_t PacketLength() {
210 return m_KLLength + m_ValueLength;
213 inline ui64_t ValueLength() {
214 return m_ValueLength;
217 inline ui32_t KLLength() {
222 virtual bool SetUL(const UL&);
223 virtual bool HasUL(const byte_t*);
224 virtual Result_t InitFromBuffer(const byte_t*, ui32_t);
225 virtual Result_t InitFromBuffer(const byte_t*, ui32_t, const UL& label);
226 virtual Result_t WriteKLToBuffer(ASDCP::FrameBuffer&, const UL& label, ui32_t length);
228 virtual Result_t WriteKLToBuffer(ASDCP::FrameBuffer& fb, ui32_t length)
230 if ( ! m_UL.HasValue() )
235 return WriteKLToBuffer(fb, m_UL, length);
238 virtual void Dump(FILE*, const Dictionary& Dict, bool show_value);
242 class KLVFilePacket : public KLVPacket
244 ASDCP_NO_COPY_CONSTRUCT(KLVFilePacket);
247 ASDCP::FrameBuffer m_Buffer;
250 virtual ~KLVFilePacket() {}
252 virtual Result_t InitFromFile(const Kumu::FileReader&);
253 virtual Result_t InitFromFile(const Kumu::FileReader&, const UL& label);
254 virtual Result_t WriteKLToFile(Kumu::FileWriter& Writer, const UL& label, ui32_t length);