/*
-Copyright (c) 2004-2012, John Hurst
+Copyright (c) 2004-2015, John Hurst
All rights reserved.
Redistribution and use in source and binary forms, with or without
static Kumu::Mutex sg_DefaultMDInitLock;
static bool sg_DefaultMDTypesInit = false;
-static const ASDCP::Dictionary *sg_dict;
+static const ASDCP::Dictionary *sg_dict = 0;
//
void
if ( ! sg_DefaultMDTypesInit )
{
sg_dict = &DefaultSMPTEDict();
- g_OPAtomHeader = new ASDCP::MXF::OPAtomHeader(sg_dict);
+ g_OP1aHeader = new ASDCP::MXF::OP1aHeader(sg_dict);
g_OPAtomIndexFooter = new ASDCP::MXF::OPAtomIndexFooter(sg_dict);
+ g_RIP = new ASDCP::MXF::RIP(sg_dict);
sg_DefaultMDTypesInit = true;
}
}
//
//
-ASDCP::h__ASDCPReader::h__ASDCPReader(const Dictionary& d) : MXF::TrackFileReader<OPAtomHeader, OPAtomIndexFooter>(d), m_BodyPart(m_Dict) {}
+ASDCP::h__ASDCPReader::h__ASDCPReader(const Dictionary& d) : MXF::TrackFileReader<OP1aHeader, OPAtomIndexFooter>(d), m_BodyPart(m_Dict) {}
ASDCP::h__ASDCPReader::~h__ASDCPReader() {}
// AS-DCP method of opening an MXF file for read
Result_t
-ASDCP::h__ASDCPReader::OpenMXFRead(const char* filename)
+ASDCP::h__ASDCPReader::OpenMXFRead(const std::string& filename)
{
- Result_t result = ASDCP::MXF::TrackFileReader<OPAtomHeader, OPAtomIndexFooter>::OpenMXFRead(filename);
+ Result_t result = ASDCP::MXF::TrackFileReader<OP1aHeader, OPAtomIndexFooter>::OpenMXFRead(filename);
if ( KM_SUCCESS(result) )
- {
- // if this is a three partition file, go to the body
- // partition and read the partition pack
- if ( m_HeaderPart.m_RIP.PairArray.size() > 2 )
- {
- Array<RIP::Pair>::iterator r_i = m_HeaderPart.m_RIP.PairArray.begin();
- r_i++;
- m_File.Seek((*r_i).ByteOffset);
- result = m_BodyPart.InitFromFile(m_File);
- }
- }
-
- if ( KM_SUCCESS(result) )
- m_HeaderPart.BodyOffset = m_File.Tell();
-
- return result;
-}
-
-//
-Result_t
-ASDCP::h__ASDCPReader::InitInfo()
-{
- Result_t result = ASDCP::MXF::TrackFileReader<OPAtomHeader, OPAtomIndexFooter>::InitInfo();
+ result = ASDCP::MXF::TrackFileReader<OP1aHeader, OPAtomIndexFooter>::InitInfo();
if( KM_SUCCESS(result) )
{
+ //
InterchangeObject* Object;
m_Info.LabelSetType = LS_MXF_UNKNOWN;
- if ( m_HeaderPart.OperationalPattern.ExactMatch(MXFInterop_OPAtom_Entry().ul) )
+ if ( m_HeaderPart.OperationalPattern.MatchExact(MXFInterop_OPAtom_Entry().ul) )
{
- m_Info.LabelSetType = LS_MXF_INTEROP;
+ m_Info.LabelSetType = LS_MXF_INTEROP;
}
- else if ( m_HeaderPart.OperationalPattern.ExactMatch(SMPTE_390_OPAtom_Entry().ul) )
+ else if ( m_HeaderPart.OperationalPattern.MatchExact(SMPTE_390_OPAtom_Entry().ul) )
{
m_Info.LabelSetType = LS_MXF_SMPTE;
}
- }
+ else
+ {
+ char strbuf[IdentBufferLen];
+ const MDDEntry* Entry = m_Dict->FindULExact(m_HeaderPart.OperationalPattern.Value());
- return result;
-}
+ if ( Entry == 0 )
+ {
+ DefaultLogSink().Warn("Operational pattern is not OP-Atom: %s\n",
+ m_HeaderPart.OperationalPattern.EncodeString(strbuf, IdentBufferLen));
+ }
+ else
+ {
+ DefaultLogSink().Warn("Operational pattern is not OP-Atom: %s\n", Entry->name);
+ }
+ }
-// AS-DCP method of populating the in-memory index
-Result_t
-ASDCP::h__ASDCPReader::InitMXFIndex()
-{
- if ( ! m_File.IsOpen() )
- return RESULT_INIT;
+ if ( m_RIP.PairArray.front().ByteOffset != 0 )
+ {
+ DefaultLogSink().Error("First Partition in RIP is not at offset 0.\n");
+ result = RESULT_FORMAT;
+ }
+
+ //
+ if ( m_RIP.PairArray.size() < 2 )
+ {
+ // OP-Atom states that there will be either two or three partitions:
+ // one closed header and one closed footer with an optional body
+ // SMPTE 429-5 files may have many partitions, see SMPTE ST 410.
+ DefaultLogSink().Warn("RIP entry count is less than 2: %u\n", m_RIP.PairArray.size());
+ }
+ else if ( m_RIP.PairArray.size() > 2 )
+ {
+ // if this is a three partition file, go to the body
+ // partition and read the partition pack
+ RIP::const_pair_iterator r_i = m_RIP.PairArray.begin();
+ r_i++;
+ m_File.Seek((*r_i).ByteOffset);
+ result = m_BodyPart.InitFromFile(m_File);
- Result_t result = m_File.Seek(m_HeaderPart.FooterPartition);
+ if( ASDCP_FAILURE(result) )
+ {
+ DefaultLogSink().Error("ASDCP::h__ASDCPReader::OpenMXFRead, m_BodyPart.InitFromFile failed\n");
+ }
+ }
+ }
- if ( ASDCP_SUCCESS(result) )
+ if ( KM_SUCCESS(result) )
{
- m_FooterPart.m_Lookup = &m_HeaderPart.m_Primer;
- result = m_FooterPart.InitFromFile(m_File);
- }
+ // this position will be at either
+ // a) the spot in the header partition where essence units appear, or
+ // b) right after the body partition header (where essence units appear)
+ m_HeaderPart.BodyOffset = m_File.Tell();
- if ( ASDCP_SUCCESS(result) )
- m_File.Seek(m_HeaderPart.BodyOffset);
+ result = m_File.Seek(m_HeaderPart.FooterPartition);
+ if ( ASDCP_SUCCESS(result) )
+ {
+ m_IndexAccess.m_Lookup = &m_HeaderPart.m_Primer;
+ result = m_IndexAccess.InitFromFile(m_File);
+ }
+ }
+
+ m_File.Seek(m_HeaderPart.BodyOffset);
return result;
}
-
// AS-DCP method of reading a plaintext or encrypted frame
Result_t
ASDCP::h__ASDCPReader::ReadEKLVFrame(ui32_t FrameNum, ASDCP::FrameBuffer& FrameBuf,
const byte_t* EssenceUL, AESDecContext* Ctx, HMACContext* HMAC)
{
- return ASDCP::MXF::TrackFileReader<OPAtomHeader, OPAtomIndexFooter>::ReadEKLVFrame(m_HeaderPart, FrameNum, FrameBuf,
+ return ASDCP::MXF::TrackFileReader<OP1aHeader, OPAtomIndexFooter>::ReadEKLVFrame(m_HeaderPart.BodyOffset, FrameNum, FrameBuf,
EssenceUL, Ctx, HMAC);
}
+Result_t
+ASDCP::h__ASDCPReader::LocateFrame(ui32_t FrameNum, Kumu::fpos_t& streamOffset,
+ i8_t& temporalOffset, i8_t& keyFrameOffset)
+{
+ return ASDCP::MXF::TrackFileReader<OP1aHeader, OPAtomIndexFooter>::LocateFrame(m_HeaderPart.BodyOffset, FrameNum,
+ streamOffset, temporalOffset, keyFrameOffset);
+}
+
//------------------------------------------------------------------------------------------
//
if ( ber_size < MXF_BER_LENGTH )
{
- DefaultLogSink().Error("BER size %d shorter than AS-DCP minimum %d.\n",
+ DefaultLogSink().Error("BER size %d shorter than AS-DCP/AS-02 minimum %d.\n",
ber_size, MXF_BER_LENGTH);
return RESULT_FORMAT;
}
return InitFromBuffer(m_KeyBuf, header_length);
}
+
+//------------------------------------------------------------------------------------------
+//
+
+
// base subroutine for reading a KLV packet, assumes file position is at the first byte of the packet
Result_t
-ASDCP::Read_EKLV_Packet(Kumu::FileReader& File, const ASDCP::Dictionary& Dict, const MXF::OPAtomHeader& HeaderPart,
+ASDCP::Read_EKLV_Packet(Kumu::FileReader& File, const ASDCP::Dictionary& Dict,
const ASDCP::WriterInfo& Info, Kumu::fpos_t& LastPosition, ASDCP::FrameBuffer& CtFrameBuf,
ui32_t FrameNum, ui32_t SequenceNum, ASDCP::FrameBuffer& FrameBuf,
const byte_t* EssenceUL, AESDecContext* Ctx, HMACContext* HMAC)
if ( ! UL(ess_p).MatchIgnoreStream(EssenceUL) ) // ignore the stream number
{
char strbuf[IntBufferLen];
- const MDDEntry* Entry = Dict.FindUL(Key.Value());
+ const MDDEntry* Entry = Dict.FindULAnyVersion(Key.Value());
+
if ( Entry == 0 )
- DefaultLogSink().Warn("Unexpected Essence UL found: %s.\n", Key.EncodeString(strbuf, IntBufferLen));
+ {
+ DefaultLogSink().Warn("Unexpected Essence UL found: %s.\n", Key.EncodeString(strbuf, IntBufferLen));
+ }
else
- DefaultLogSink().Warn("Unexpected Essence UL found: %s.\n", Entry->name);
+ {
+ DefaultLogSink().Warn("Unexpected Essence UL found: %s.\n", Entry->name);
+ }
+
return RESULT_FORMAT;
}
+
ess_p += SMPTE_UL_LENGTH;
// read SourceLength length
else
{
char strbuf[IntBufferLen];
- const MDDEntry* Entry = Dict.FindUL(Key.Value());
+ const MDDEntry* Entry = Dict.FindULAnyVersion(Key.Value());
+
if ( Entry == 0 )
- DefaultLogSink().Warn("Unexpected Essence UL found: %s.\n", Key.EncodeString(strbuf, IntBufferLen));
+ {
+ DefaultLogSink().Warn("Unexpected Essence UL found: %s.\n", Key.EncodeString(strbuf, IntBufferLen));
+ }
else
- DefaultLogSink().Warn("Unexpected Essence UL found: %s.\n", Entry->name);
+ {
+ DefaultLogSink().Warn("Unexpected Essence UL found: %s.\n", Entry->name);
+ }
return RESULT_FORMAT;
}