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//
// Index.cpp
//
#include "MDD.h"
#include "MXF.h"
//
ASDCP::MXF::IndexTableSegment::IndexTableSegment() :
IndexStartPosition(0), IndexDuration(0), EditUnitByteCount(0),
IndexSID(0), BodySID(0), SliceCount(0), PosTableCount(0)
{
}
//
ASDCP::MXF::IndexTableSegment::~IndexTableSegment()
{
}
//
ASDCP::Result_t
ASDCP::MXF::IndexTableSegment::InitFromBuffer(const byte_t* p, ui32_t l)
{
ASDCP_TEST_NULL(p);
Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_IndexTableSegment].ul);
if ( ASDCP_SUCCESS(result) )
{
TLVReader MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
result = MemRDR.ReadObject(OBJ_READ_ARGS(InterchangeObject, InstanceUID));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadObject(OBJ_READ_ARGS(IndexTableSegmentBase, IndexEditRate));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadUi64(OBJ_READ_ARGS(IndexTableSegmentBase, IndexStartPosition));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadUi64(OBJ_READ_ARGS(IndexTableSegmentBase, IndexDuration));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadUi32(OBJ_READ_ARGS(IndexTableSegmentBase, EditUnitByteCount));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadUi32(OBJ_READ_ARGS(IndexTableSegmentBase, IndexSID));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadUi32(OBJ_READ_ARGS(IndexTableSegmentBase, BodySID));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadUi8(OBJ_READ_ARGS(IndexTableSegmentBase, SliceCount));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadUi8(OBJ_READ_ARGS(IndexTableSegmentBase, PosTableCount));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadObject(OBJ_READ_ARGS(IndexTableSegment, DeltaEntryArray));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadObject(OBJ_READ_ARGS(IndexTableSegment, IndexEntryArray));
}
if ( ASDCP_SUCCESS(result) )
{
Batch<IndexEntry>::iterator i;
ui32_t offset = 0;
for ( i = IndexEntryArray.begin(); i != IndexEntryArray.end(); i++ )
{
if ( (*i).Flags == 0x40 )
offset = 0;
(*i).KeyFrameOffset = offset++;
}
}
return result;
}
//
ASDCP::Result_t
ASDCP::MXF::IndexTableSegment::WriteToBuffer(ASDCP::FrameBuffer& Buffer)
{
return WriteKLToBuffer(Buffer, s_MDD_Table[MDDindex_IndexTableSegment].ul, 0);
#if 0
Result_t result = KLVPacket::InitFromBuffer(p, l, s_MDD_Table[MDDindex_IndexTableSegment].ul);
if ( ASDCP_SUCCESS(result) )
{
TLVWriter MemRDR(m_ValueStart, m_ValueLength, m_Lookup);
result = MemRDR.ReadObject(OBJ_READ_ARGS(InterchangeObject, InstanceUID));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadObject(OBJ_READ_ARGS(IndexTableSegmentBase, IndexEditRate));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadUi64(OBJ_READ_ARGS(IndexTableSegmentBase, IndexStartPosition));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadUi64(OBJ_READ_ARGS(IndexTableSegmentBase, IndexDuration));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadUi32(OBJ_READ_ARGS(IndexTableSegmentBase, EditUnitByteCount));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadUi32(OBJ_READ_ARGS(IndexTableSegmentBase, IndexSID));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadUi32(OBJ_READ_ARGS(IndexTableSegmentBase, BodySID));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadUi8(OBJ_READ_ARGS(IndexTableSegmentBase, SliceCount));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadUi8(OBJ_READ_ARGS(IndexTableSegmentBase, PosTableCount));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadObject(OBJ_READ_ARGS(IndexTableSegment, DeltaEntryArray));
if ( ASDCP_SUCCESS(result) ) result = MemRDR.ReadObject(OBJ_READ_ARGS(IndexTableSegment, IndexEntryArray));
}
return result;
#endif
}
//
void
ASDCP::MXF::IndexTableSegment::Dump(FILE* stream)
{
char identbuf[IdentBufferLen];
if ( stream == 0 )
stream = stderr;
KLVPacket::Dump(stream, false);
fprintf(stream, " InstanceUID = %s\n", InstanceUID.ToString(identbuf));
fprintf(stream, " IndexEditRate = %s\n", IndexEditRate.ToString(identbuf));
fprintf(stream, " IndexStartPosition = %s\n", i64sz(IndexStartPosition, identbuf));
fprintf(stream, " IndexDuration = %s\n", i64sz(IndexDuration, identbuf));
fprintf(stream, " EditUnitByteCount = %lu\n", EditUnitByteCount);
fprintf(stream, " IndexSID = %lu\n", IndexSID);
fprintf(stream, " BodySID = %lu\n", BodySID);
fprintf(stream, " SliceCount = %hu\n", SliceCount);
fprintf(stream, " PosTableCount = %hu\n", PosTableCount);
fprintf(stream, " DeltaEntryArray:\n"); DeltaEntryArray.Dump(stream);
fprintf(stream, " IndexEntryArray:\n"); IndexEntryArray.Dump(stream);
fputs("==========================================================================\n", stream);
}
//
const char*
ASDCP::MXF::IndexTableSegment::DeltaEntry::ToString(char* str_buf) const
{
sprintf(str_buf, "%3i %-3hu %-3lu", PosTableIndex, Slice, ElementData);
return str_buf;
}
//
ASDCP::Result_t
ASDCP::MXF::IndexTableSegment::DeltaEntry::ReadFrom(ASDCP::MemIOReader& Reader)
{
Result_t result = Reader.ReadUi8((ui8_t*)&PosTableIndex);
if ( ASDCP_SUCCESS(result) ) result = Reader.ReadUi8(&Slice);
if ( ASDCP_SUCCESS(result) ) result = Reader.ReadUi32BE(&ElementData);
return result;
}
//
ASDCP::Result_t
ASDCP::MXF::IndexTableSegment::DeltaEntry::WriteTo(ASDCP::MemIOWriter& Writer)
{
Result_t result = Writer.WriteUi8((ui8_t)PosTableIndex);
if ( ASDCP_SUCCESS(result) ) result = Writer.WriteUi8(Slice);
if ( ASDCP_SUCCESS(result) ) result = Writer.WriteUi32BE(ElementData);
return result;
}
// Flags:
// Bit 7: Random Access
// Bit 6: Sequence Header
// Bit 5: forward prediction flag
// Bit 4: backward prediction flag
// e.g.
// 00== I frame (no prediction)
// 10== P frame(forward prediction from previous frame)
// 01== B frame (backward prediction from future frame)
// 11== B frame (forward & backward prediction)
// Bits 0-3: reserved [RP210 Flags to indicate coding of elements in this edit unit]
//
const char*
ASDCP::MXF::IndexTableSegment::IndexEntry::ToString(char* str_buf) const
{
char intbuf[IntBufferLen];
char txt_flags[6];
txt_flags[5] = 0;
txt_flags[0] = ( (Flags & 0x80) != 0 ) ? 'r' : ' ';
txt_flags[1] = ( (Flags & 0x40) != 0 ) ? 's' : ' ';
txt_flags[2] = ( (Flags & 0x20) != 0 ) ? 'f' : ' ';
txt_flags[3] = ( (Flags & 0x10) != 0 ) ? 'b' : ' ';
txt_flags[4] = ( (Flags & 0x0f) == 3 ) ? 'B' : ( (Flags & 0x0f) == 2 ) ? 'P' : 'I';
sprintf(str_buf, "%3i %-3hu %s %s",
TemporalOffset, KeyFrameOffset, txt_flags,
i64sz(StreamOffset, intbuf));
return str_buf;
}
//
ASDCP::Result_t
ASDCP::MXF::IndexTableSegment::IndexEntry::ReadFrom(ASDCP::MemIOReader& Reader)
{
Result_t result = Reader.ReadUi8((ui8_t*)&TemporalOffset);
if ( ASDCP_SUCCESS(result) ) result = Reader.ReadUi8((ui8_t*)&KeyFrameOffset);
if ( ASDCP_SUCCESS(result) ) result = Reader.ReadUi8(&Flags);
if ( ASDCP_SUCCESS(result) ) result = Reader.ReadUi64BE(&StreamOffset);
return result;
}
//
ASDCP::Result_t
ASDCP::MXF::IndexTableSegment::IndexEntry::WriteTo(ASDCP::MemIOWriter& Writer)
{
Result_t result = Writer.WriteUi8((ui8_t)TemporalOffset);
if ( ASDCP_SUCCESS(result) ) result = Writer.WriteUi8((ui8_t)KeyFrameOffset);
if ( ASDCP_SUCCESS(result) ) result = Writer.WriteUi8(Flags);
if ( ASDCP_SUCCESS(result) ) result = Writer.WriteUi64BE(StreamOffset);
return result;
}
//
// end Index.cpp
//
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