2 Copyright (c) 2005-2009, 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;
112 class UMID : public Kumu::Identifier<SMPTE_UMID_LENGTH>
116 UMID(const UMID& rhs) : Kumu::Identifier<SMPTE_UMID_LENGTH>(rhs) {}
117 UMID(const byte_t* value) : Kumu::Identifier<SMPTE_UMID_LENGTH>(value) {}
120 void MakeUMID(int Type);
121 void MakeUMID(int Type, const UUID& ID);
122 const char* EncodeString(char* str_buf, ui32_t buf_len) const;
125 const byte_t nil_UMID[SMPTE_UMID_LENGTH] = {0};
126 const UMID NilUMID(nil_UMID);
131 byte_t ul[SMPTE_UL_LENGTH];
140 std::map<ASDCP::UL, ui32_t> m_md_lookup;
141 std::map<ui32_t, ASDCP::UL> m_md_rev_lookup;
142 MDDEntry m_MDD_Table[(ui32_t)ASDCP::MDD_Max];
144 ASDCP_NO_COPY_CONSTRUCT(Dictionary);
150 bool operator==(const Dictionary& rhs) const { return this == &rhs; }
153 bool AddEntry(const MDDEntry& Entry, ui32_t index);
154 bool DeleteEntry(ui32_t index);
156 const MDDEntry* FindUL(const byte_t*) const;
157 const MDDEntry& Type(MDD_t type_id) const;
159 inline const byte_t* ul(MDD_t type_id) const {
160 return Type(type_id).ul;
163 void Dump(FILE* = 0) const;
167 const Dictionary& DefaultSMPTEDict();
168 const Dictionary& DefaultInteropDict();
169 const Dictionary& DefaultCompositeDict();
176 virtual ~IPrimerLookup() {}
177 virtual void ClearTagList() = 0;
178 virtual Result_t InsertTag(const MDDEntry& Entry, ASDCP::TagValue& Tag) = 0;
179 virtual Result_t TagForKey(const ASDCP::UL& Key, ASDCP::TagValue& Tag) = 0;
185 ASDCP_NO_COPY_CONSTRUCT(KLVPacket);
188 const byte_t* m_KeyStart;
190 const byte_t* m_ValueStart;
191 ui32_t m_ValueLength;
194 KLVPacket() : m_KeyStart(0), m_KLLength(0), m_ValueStart(0), m_ValueLength(0) {}
195 virtual ~KLVPacket() {}
197 ui32_t PacketLength() {
198 return m_KLLength + m_ValueLength;
201 virtual bool HasUL(const byte_t*);
202 virtual Result_t InitFromBuffer(const byte_t*, ui32_t);
203 virtual Result_t InitFromBuffer(const byte_t*, ui32_t, const UL& label);
204 virtual Result_t WriteKLToBuffer(ASDCP::FrameBuffer&, const UL& label, ui32_t length);
205 virtual void Dump(FILE*, const Dictionary& Dict, bool show_value);
209 class KLVFilePacket : public KLVPacket
211 ASDCP_NO_COPY_CONSTRUCT(KLVFilePacket);
214 ASDCP::FrameBuffer m_Buffer;
218 virtual ~KLVFilePacket() {}
220 virtual Result_t InitFromFile(const Kumu::FileReader&);
221 virtual Result_t InitFromFile(const Kumu::FileReader&, const UL& label);
222 virtual Result_t WriteKLToFile(Kumu::FileWriter& Writer, const UL& label, ui32_t length);