diff options
Diffstat (limited to 'src/h__02_Reader.cpp')
| -rw-r--r-- | src/h__02_Reader.cpp | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/src/h__02_Reader.cpp b/src/h__02_Reader.cpp index a433026..1a0de11 100644 --- a/src/h__02_Reader.cpp +++ b/src/h__02_Reader.cpp @@ -200,9 +200,11 @@ AS_02::MXF::AS02IndexReader::InitFromFile(const Kumu::FileReader& reader, const for ( ii = m_PacketList->m_List.begin(); ii != m_PacketList->m_List.end(); ++ii ) { - if ( (*ii)->IsA(OBJ_TYPE_ARGS(IndexTableSegment)) ) + IndexTableSegment *segment = dynamic_cast<IndexTableSegment*>(*ii); + + if ( segment != 0 ) { - m_Duration += static_cast<IndexTableSegment*>(*ii)->IndexDuration; + m_Duration += segment->IndexDuration; } } } @@ -263,10 +265,12 @@ AS_02::MXF::AS02IndexReader::InitFromBuffer(const byte_t* p, ui32_t l, const ui6 if ( KM_SUCCESS(result) ) { - if ( object->IsA(OBJ_TYPE_ARGS(IndexTableSegment)) ) + IndexTableSegment *segment = dynamic_cast<IndexTableSegment*>(object); + + if ( segment != 0 ) { - static_cast<IndexTableSegment*>(object)->RtFileOffset = essence_container_offset; - static_cast<IndexTableSegment*>(object)->RtEntryOffset = body_offset; + segment->RtFileOffset = essence_container_offset; + segment->RtEntryOffset = body_offset; m_PacketList->AddPacket(object); // takes ownership } else @@ -340,29 +344,30 @@ AS_02::MXF::AS02IndexReader::Lookup(ui32_t frame_num, ASDCP::MXF::IndexTableSegm std::list<InterchangeObject*>::iterator li; for ( li = m_PacketList->m_List.begin(); li != m_PacketList->m_List.end(); li++ ) { - if ( (*li)->IsA(OBJ_TYPE_ARGS(IndexTableSegment)) ) + IndexTableSegment *segment = dynamic_cast<IndexTableSegment*>(*li); + + if ( segment != 0 ) { - IndexTableSegment* Segment = static_cast<IndexTableSegment*>(*li); - ui64_t start_pos = Segment->IndexStartPosition; + ui64_t start_pos = segment->IndexStartPosition; - if ( Segment->EditUnitByteCount > 0 ) + if ( segment->EditUnitByteCount > 0 ) { if ( m_PacketList->m_List.size() > 1 ) DefaultLogSink().Error("Unexpected multiple IndexTableSegment in CBR file\n"); - if ( ! Segment->IndexEntryArray.empty() ) + if ( ! segment->IndexEntryArray.empty() ) DefaultLogSink().Error("Unexpected IndexEntryArray contents in CBR file\n"); - Entry.StreamOffset = ((ui64_t)frame_num * Segment->EditUnitByteCount) + Segment->RtFileOffset; + Entry.StreamOffset = ((ui64_t)frame_num * segment->EditUnitByteCount) + segment->RtFileOffset; return RESULT_OK; } else if ( (ui64_t)frame_num >= start_pos - && (ui64_t)frame_num < (start_pos + Segment->IndexDuration) ) + && (ui64_t)frame_num < (start_pos + segment->IndexDuration) ) { ui64_t tmp = frame_num - start_pos; assert(tmp <= 0xFFFFFFFFL); - Entry = Segment->IndexEntryArray[(ui32_t) tmp]; - Entry.StreamOffset = Entry.StreamOffset - Segment->RtEntryOffset + Segment->RtFileOffset; + Entry = segment->IndexEntryArray[(ui32_t) tmp]; + Entry.StreamOffset = Entry.StreamOffset - segment->RtEntryOffset + segment->RtFileOffset; return RESULT_OK; } } |