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.
29 \brief MXF index segment objects
33 const ui32_t kl_length = ASDCP::SMPTE_UL_LENGTH + ASDCP::MXF_BER_LENGTH;
37 ASDCP::MXF::IndexTableSegment::IndexTableSegment(const Dictionary*& d) :
38 InterchangeObject(d), m_Dict(d),
39 IndexStartPosition(0), IndexDuration(0), EditUnitByteCount(0),
40 IndexSID(129), BodySID(1), SliceCount(0), PosTableCount(0)
45 ASDCP::MXF::IndexTableSegment::~IndexTableSegment()
51 ASDCP::MXF::IndexTableSegment::InitFromTLVSet(TLVReader& TLVSet)
53 Result_t result = InterchangeObject::InitFromTLVSet(TLVSet);
54 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(IndexTableSegmentBase, IndexEditRate));
55 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi64(OBJ_READ_ARGS(IndexTableSegmentBase, IndexStartPosition));
56 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi64(OBJ_READ_ARGS(IndexTableSegmentBase, IndexDuration));
57 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(IndexTableSegmentBase, EditUnitByteCount));
58 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(IndexTableSegmentBase, IndexSID));
59 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(IndexTableSegmentBase, BodySID));
60 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi8(OBJ_READ_ARGS(IndexTableSegmentBase, SliceCount));
61 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi8(OBJ_READ_ARGS(IndexTableSegmentBase, PosTableCount));
62 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(IndexTableSegment, DeltaEntryArray));
63 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(IndexTableSegment, IndexEntryArray));
69 ASDCP::MXF::IndexTableSegment::WriteToTLVSet(TLVWriter& TLVSet)
71 Result_t result = InterchangeObject::WriteToTLVSet(TLVSet);
72 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(IndexTableSegmentBase, IndexEditRate));
73 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi64(OBJ_WRITE_ARGS(IndexTableSegmentBase, IndexStartPosition));
74 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi64(OBJ_WRITE_ARGS(IndexTableSegmentBase, IndexDuration));
75 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(IndexTableSegmentBase, EditUnitByteCount));
76 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(IndexTableSegmentBase, IndexSID));
77 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(IndexTableSegmentBase, BodySID));
78 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi8(OBJ_WRITE_ARGS(IndexTableSegmentBase, SliceCount));
79 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi8(OBJ_WRITE_ARGS(IndexTableSegmentBase, PosTableCount));
80 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(IndexTableSegment, DeltaEntryArray));
81 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(IndexTableSegment, IndexEntryArray));
87 ASDCP::MXF::IndexTableSegment::InitFromBuffer(const byte_t* p, ui32_t l)
89 m_Typeinfo = &(m_Dict->Type(MDD_IndexTableSegment));
90 return InterchangeObject::InitFromBuffer(p, l);
95 ASDCP::MXF::IndexTableSegment::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
97 m_Typeinfo = &(m_Dict->Type(MDD_IndexTableSegment));
98 return InterchangeObject::WriteToBuffer(Buffer);
103 ASDCP::MXF::IndexTableSegment::Dump(FILE* stream)
105 char identbuf[IdentBufferLen];
110 InterchangeObject::Dump(stream);
111 fprintf(stream, " IndexEditRate = %s\n", IndexEditRate.EncodeString(identbuf, IdentBufferLen));
112 fprintf(stream, " IndexStartPosition = %s\n", i64sz(IndexStartPosition, identbuf));
113 fprintf(stream, " IndexDuration = %s\n", i64sz(IndexDuration, identbuf));
114 fprintf(stream, " EditUnitByteCount = %u\n", EditUnitByteCount);
115 fprintf(stream, " IndexSID = %u\n", IndexSID);
116 fprintf(stream, " BodySID = %u\n", BodySID);
117 fprintf(stream, " SliceCount = %hu\n", SliceCount);
118 fprintf(stream, " PosTableCount = %hu\n", PosTableCount);
120 fprintf(stream, " DeltaEntryArray:\n"); DeltaEntryArray.Dump(stream);
122 if ( IndexEntryArray.size() < 100 )
124 fprintf(stream, " IndexEntryArray:\n");
125 IndexEntryArray.Dump(stream);
129 fprintf(stream, " IndexEntryArray: %du entries\n", IndexEntryArray.size());
133 //------------------------------------------------------------------------------------------
138 ASDCP::MXF::IndexTableSegment::DeltaEntry::EncodeString(char* str_buf, ui32_t buf_len) const
140 snprintf(str_buf, buf_len, "%3d %-3hu %-3u", PosTableIndex, Slice, ElementData);
146 ASDCP::MXF::IndexTableSegment::DeltaEntry::Unarchive(Kumu::MemIOReader* Reader)
148 if ( ! Reader->ReadUi8((ui8_t*)&PosTableIndex) ) return false;
149 if ( ! Reader->ReadUi8(&Slice) ) return false;
150 if ( ! Reader->ReadUi32BE(&ElementData) ) return false;
156 ASDCP::MXF::IndexTableSegment::DeltaEntry::Archive(Kumu::MemIOWriter* Writer) const
158 if ( ! Writer->WriteUi8((ui8_t)PosTableIndex) ) return false;
159 if ( ! Writer->WriteUi8(Slice) ) return false;
160 if ( ! Writer->WriteUi32BE(ElementData) ) return false;
164 //------------------------------------------------------------------------------------------
168 // Bit 7: Random Access
169 // Bit 6: Sequence Header
170 // Bit 5: forward prediction flag
171 // Bit 4: backward prediction flag
173 // 00== I frame (no prediction)
174 // 10== P frame(forward prediction from previous frame)
175 // 01== B frame (backward prediction from future frame)
176 // 11== B frame (forward & backward prediction)
177 // Bits 0-3: reserved [RP210 Flags to indicate coding of elements in this edit unit]
181 ASDCP::MXF::IndexTableSegment::IndexEntry::EncodeString(char* str_buf, ui32_t buf_len) const
183 char intbuf[IntBufferLen];
186 txt_flags[0] = ( (Flags & 0x80) != 0 ) ? 'r' : ' ';
187 txt_flags[1] = ( (Flags & 0x40) != 0 ) ? 's' : ' ';
188 txt_flags[2] = ( (Flags & 0x20) != 0 ) ? 'f' : ' ';
189 txt_flags[3] = ( (Flags & 0x10) != 0 ) ? 'b' : ' ';
190 txt_flags[4] = ( (Flags & 0x0f) == 3 ) ? 'B' : ( (Flags & 0x0f) == 2 ) ? 'P' : 'I';
193 snprintf(str_buf, buf_len, "%3i %-3hu %s %s",
194 TemporalOffset, KeyFrameOffset, txt_flags,
195 i64sz(StreamOffset, intbuf));
202 ASDCP::MXF::IndexTableSegment::IndexEntry::Unarchive(Kumu::MemIOReader* Reader)
204 if ( ! Reader->ReadUi8((ui8_t*)&TemporalOffset) ) return false;
205 if ( ! Reader->ReadUi8((ui8_t*)&KeyFrameOffset) ) return false;
206 if ( ! Reader->ReadUi8(&Flags) ) return false;
207 if ( ! Reader->ReadUi64BE(&StreamOffset) ) return false;
213 ASDCP::MXF::IndexTableSegment::IndexEntry::Archive(Kumu::MemIOWriter* Writer) const
215 if ( ! Writer->WriteUi8((ui8_t)TemporalOffset) ) return false;
216 if ( ! Writer->WriteUi8((ui8_t)KeyFrameOffset) ) return false;
217 if ( ! Writer->WriteUi8(Flags) ) return false;
218 if ( ! Writer->WriteUi64BE(StreamOffset) ) return false;