2 Copyright (c) 2005-2006, John Hurst
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions
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9 notice, this list of conditions and the following disclaimer.
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11 notice, this list of conditions and the following disclaimer in the
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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
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18 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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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() :
38 IndexStartPosition(0), IndexDuration(0), EditUnitByteCount(0),
39 IndexSID(129), BodySID(1), SliceCount(0), PosTableCount(0)
44 ASDCP::MXF::IndexTableSegment::~IndexTableSegment()
50 ASDCP::MXF::IndexTableSegment::InitFromTLVSet(TLVReader& TLVSet)
52 Result_t result = InterchangeObject::InitFromTLVSet(TLVSet);
53 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(IndexTableSegmentBase, IndexEditRate));
54 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi64(OBJ_READ_ARGS(IndexTableSegmentBase, IndexStartPosition));
55 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi64(OBJ_READ_ARGS(IndexTableSegmentBase, IndexDuration));
56 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(IndexTableSegmentBase, EditUnitByteCount));
57 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(IndexTableSegmentBase, IndexSID));
58 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(IndexTableSegmentBase, BodySID));
59 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi8(OBJ_READ_ARGS(IndexTableSegmentBase, SliceCount));
60 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi8(OBJ_READ_ARGS(IndexTableSegmentBase, PosTableCount));
61 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(IndexTableSegment, DeltaEntryArray));
62 if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(IndexTableSegment, IndexEntryArray));
68 ASDCP::MXF::IndexTableSegment::WriteToTLVSet(TLVWriter& TLVSet)
70 Result_t result = InterchangeObject::WriteToTLVSet(TLVSet);
71 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(IndexTableSegmentBase, IndexEditRate));
72 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi64(OBJ_WRITE_ARGS(IndexTableSegmentBase, IndexStartPosition));
73 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi64(OBJ_WRITE_ARGS(IndexTableSegmentBase, IndexDuration));
74 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(IndexTableSegmentBase, EditUnitByteCount));
75 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(IndexTableSegmentBase, IndexSID));
76 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(IndexTableSegmentBase, BodySID));
77 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi8(OBJ_WRITE_ARGS(IndexTableSegmentBase, SliceCount));
78 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi8(OBJ_WRITE_ARGS(IndexTableSegmentBase, PosTableCount));
79 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(IndexTableSegment, DeltaEntryArray));
80 if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(IndexTableSegment, IndexEntryArray));
86 ASDCP::MXF::IndexTableSegment::InitFromBuffer(const byte_t* p, ui32_t l)
88 m_Typeinfo = &Dict::Type(MDD_IndexTableSegment);
89 return InterchangeObject::InitFromBuffer(p, l);
94 ASDCP::MXF::IndexTableSegment::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
96 m_Typeinfo = &Dict::Type(MDD_IndexTableSegment);
97 return InterchangeObject::WriteToBuffer(Buffer);
102 ASDCP::MXF::IndexTableSegment::Dump(FILE* stream)
104 char identbuf[IdentBufferLen];
109 InterchangeObject::Dump(stream);
110 fprintf(stream, " IndexEditRate = %s\n", IndexEditRate.EncodeString(identbuf, IdentBufferLen));
111 fprintf(stream, " IndexStartPosition = %s\n", i64sz(IndexStartPosition, identbuf));
112 fprintf(stream, " IndexDuration = %s\n", i64sz(IndexDuration, identbuf));
113 fprintf(stream, " EditUnitByteCount = %u\n", EditUnitByteCount);
114 fprintf(stream, " IndexSID = %u\n", IndexSID);
115 fprintf(stream, " BodySID = %u\n", BodySID);
116 fprintf(stream, " SliceCount = %hu\n", SliceCount);
117 fprintf(stream, " PosTableCount = %hu\n", PosTableCount);
119 fprintf(stream, " DeltaEntryArray:\n"); DeltaEntryArray.Dump(stream);
121 if ( IndexEntryArray.size() < 100 )
123 fprintf(stream, " IndexEntryArray:\n");
124 IndexEntryArray.Dump(stream);
128 fprintf(stream, " IndexEntryArray: %lu entries\n", IndexEntryArray.size());
132 //------------------------------------------------------------------------------------------
137 ASDCP::MXF::IndexTableSegment::DeltaEntry::EncodeString(char* str_buf, ui32_t buf_len) const
139 snprintf(str_buf, buf_len, "%3d %-3hu %-3u", PosTableIndex, Slice, ElementData);
145 ASDCP::MXF::IndexTableSegment::DeltaEntry::Unarchive(Kumu::MemIOReader* Reader)
147 if ( ! Reader->ReadUi8((ui8_t*)&PosTableIndex) ) return false;
148 if ( ! Reader->ReadUi8(&Slice) ) return false;
149 if ( ! Reader->ReadUi32BE(&ElementData) ) return false;
155 ASDCP::MXF::IndexTableSegment::DeltaEntry::Archive(Kumu::MemIOWriter* Writer) const
157 if ( ! Writer->WriteUi8((ui8_t)PosTableIndex) ) return false;
158 if ( ! Writer->WriteUi8(Slice) ) return false;
159 if ( ! Writer->WriteUi32BE(ElementData) ) return false;
163 //------------------------------------------------------------------------------------------
167 // Bit 7: Random Access
168 // Bit 6: Sequence Header
169 // Bit 5: forward prediction flag
170 // Bit 4: backward prediction flag
172 // 00== I frame (no prediction)
173 // 10== P frame(forward prediction from previous frame)
174 // 01== B frame (backward prediction from future frame)
175 // 11== B frame (forward & backward prediction)
176 // Bits 0-3: reserved [RP210 Flags to indicate coding of elements in this edit unit]
180 ASDCP::MXF::IndexTableSegment::IndexEntry::EncodeString(char* str_buf, ui32_t buf_len) const
182 char intbuf[IntBufferLen];
185 txt_flags[0] = ( (Flags & 0x80) != 0 ) ? 'r' : ' ';
186 txt_flags[1] = ( (Flags & 0x40) != 0 ) ? 's' : ' ';
187 txt_flags[2] = ( (Flags & 0x20) != 0 ) ? 'f' : ' ';
188 txt_flags[3] = ( (Flags & 0x10) != 0 ) ? 'b' : ' ';
189 txt_flags[4] = ( (Flags & 0x0f) == 3 ) ? 'B' : ( (Flags & 0x0f) == 2 ) ? 'P' : 'I';
192 snprintf(str_buf, buf_len, "%3i %-3hu %s %s",
193 TemporalOffset, KeyFrameOffset, txt_flags,
194 i64sz(StreamOffset, intbuf));
201 ASDCP::MXF::IndexTableSegment::IndexEntry::Unarchive(Kumu::MemIOReader* Reader)
203 if ( ! Reader->ReadUi8((ui8_t*)&TemporalOffset) ) return false;
204 if ( ! Reader->ReadUi8((ui8_t*)&KeyFrameOffset) ) return false;
205 if ( ! Reader->ReadUi8(&Flags) ) return false;
206 if ( ! Reader->ReadUi64BE(&StreamOffset) ) return false;
212 ASDCP::MXF::IndexTableSegment::IndexEntry::Archive(Kumu::MemIOWriter* Writer) const
214 if ( ! Writer->WriteUi8((ui8_t)TemporalOffset) ) return false;
215 if ( ! Writer->WriteUi8((ui8_t)KeyFrameOffset) ) return false;
216 if ( ! Writer->WriteUi8(Flags) ) return false;
217 if ( ! Writer->WriteUi64BE(StreamOffset) ) return false;