/*
-Copyright (c) 2004-2007, John Hurst
+Copyright (c) 2004-2013, John Hurst
All rights reserved.
Redistribution and use in source and binary forms, with or without
//
// hidden, internal implementation of MPEG2 reader
-class ASDCP::MPEG2::MXFReader::h__Reader : public ASDCP::h__Reader
+class ASDCP::MPEG2::MXFReader::h__Reader : public ASDCP::h__ASDCPReader
{
ASDCP_NO_COPY_CONSTRUCT(h__Reader);
+ h__Reader();
public:
VideoDescriptor m_VDesc; // video parameter list
- h__Reader() {}
- ~h__Reader() {}
+ h__Reader(const Dictionary& d) : ASDCP::h__ASDCPReader(d) {}
+ virtual ~h__Reader() {}
Result_t OpenRead(const char*);
Result_t ReadFrame(ui32_t, FrameBuffer&, AESDecContext*, HMACContext*);
Result_t ReadFrameGOPStart(ui32_t, FrameBuffer&, AESDecContext*, HMACContext*);
Result_t FindFrameGOPStart(ui32_t, ui32_t&);
+ Result_t FrameType(ui32_t FrameNum, FrameType_t& type);
};
if( ASDCP_SUCCESS(result) )
{
- InterchangeObject* Object;
+ InterchangeObject* Object = 0;
+
if ( ASDCP_SUCCESS(m_HeaderPart.GetMDObjectByType(OBJ_TYPE_ARGS(MPEG2VideoDescriptor), &Object)) )
{
- assert(Object);
+ if ( Object == 0 )
+ {
+ DefaultLogSink().Error("MPEG2VideoDescriptor object not found.\n");
+ return RESULT_FORMAT;
+ }
+
result = MD_to_MPEG2_VDesc((MXF::MPEG2VideoDescriptor*)Object, m_VDesc);
}
}
- if( ASDCP_SUCCESS(result) )
- result = InitMXFIndex();
-
- if( ASDCP_SUCCESS(result) )
- result = InitInfo();
-
return result;
}
// look up frame index node
IndexTableSegment::IndexEntry TmpEntry;
- if ( ASDCP_FAILURE(m_FooterPart.Lookup(FrameNum, TmpEntry)) )
+ if ( ASDCP_FAILURE(m_IndexAccess.Lookup(FrameNum, TmpEntry)) )
{
DefaultLogSink().Error("Frame value out of range: %u\n", FrameNum);
return RESULT_RANGE;
return RESULT_OK;
}
+//
+ASDCP::Result_t
+ASDCP::MPEG2::MXFReader::h__Reader::FrameType(ui32_t FrameNum, FrameType_t& type)
+{
+ if ( ! m_File.IsOpen() )
+ return RESULT_INIT;
+
+ // look up frame index node
+ IndexTableSegment::IndexEntry TmpEntry;
+
+ if ( ASDCP_FAILURE(m_IndexAccess.Lookup(FrameNum, TmpEntry)) )
+ {
+ DefaultLogSink().Error("Frame value out of range: %u\n", FrameNum);
+ return RESULT_RANGE;
+ }
+
+ type = ( (TmpEntry.Flags & 0x0f) == 3 ) ? FRAME_B : ( (TmpEntry.Flags & 0x0f) == 2 ) ? FRAME_P : FRAME_I;
+ return RESULT_OK;
+}
+
//
//
ASDCP::MPEG2::MXFReader::h__Reader::ReadFrame(ui32_t FrameNum, FrameBuffer& FrameBuf,
AESDecContext* Ctx, HMACContext* HMAC)
{
+ assert(m_Dict);
if ( ! m_File.IsOpen() )
return RESULT_INIT;
- Result_t result = ReadEKLVFrame(FrameNum, FrameBuf, Dict::ul(MDD_MPEG2Essence), Ctx, HMAC);
+ Result_t result = ReadEKLVFrame(FrameNum, FrameBuf, m_Dict->ul(MDD_MPEG2Essence), Ctx, HMAC);
if ( ASDCP_FAILURE(result) )
return result;
IndexTableSegment::IndexEntry TmpEntry;
- m_FooterPart.Lookup(FrameNum, TmpEntry);
+ m_IndexAccess.Lookup(FrameNum, TmpEntry);
switch ( ( TmpEntry.Flags >> 4 ) & 0x03 )
{
ASDCP::MPEG2::MXFReader::MXFReader()
{
- m_Reader = new h__Reader;
+ m_Reader = new h__Reader(DefaultCompositeDict());
}
ASDCP::MPEG2::MXFReader::~MXFReader()
{
+ if ( m_Reader && m_Reader->m_File.IsOpen() )
+ m_Reader->Close();
+}
+
+// Warning: direct manipulation of MXF structures can interfere
+// with the normal operation of the wrapper. Caveat emptor!
+//
+ASDCP::MXF::OP1aHeader&
+ASDCP::MPEG2::MXFReader::OP1aHeader()
+{
+ if ( m_Reader.empty() )
+ {
+ assert(g_OP1aHeader);
+ return *g_OP1aHeader;
+ }
+
+ return m_Reader->m_HeaderPart;
+}
+
+// Warning: direct manipulation of MXF structures can interfere
+// with the normal operation of the wrapper. Caveat emptor!
+//
+ASDCP::MXF::OPAtomIndexFooter&
+ASDCP::MPEG2::MXFReader::OPAtomIndexFooter()
+{
+ if ( m_Reader.empty() )
+ {
+ assert(g_OPAtomIndexFooter);
+ return *g_OPAtomIndexFooter;
+ }
+
+ return m_Reader->m_IndexAccess;
+}
+
+// Warning: direct manipulation of MXF structures can interfere
+// with the normal operation of the wrapper. Caveat emptor!
+//
+ASDCP::MXF::RIP&
+ASDCP::MPEG2::MXFReader::RIP()
+{
+ if ( m_Reader.empty() )
+ {
+ assert(g_RIP);
+ return *g_RIP;
+ }
+
+ return m_Reader->m_RIP;
}
// Open the file for reading. The file must exist. Returns error if the
}
+//
+ASDCP::Result_t
+ASDCP::MPEG2::MXFReader::LocateFrame(ui32_t FrameNum, Kumu::fpos_t& streamOffset, i8_t& temporalOffset, i8_t& keyFrameOffset) const
+{
+ return m_Reader->LocateFrame(FrameNum, streamOffset, temporalOffset, keyFrameOffset);
+}
+
//
ASDCP::Result_t
ASDCP::MPEG2::MXFReader::ReadFrameGOPStart(ui32_t FrameNum, FrameBuffer& FrameBuf,
ASDCP::MPEG2::MXFReader::DumpIndex(FILE* stream) const
{
if ( m_Reader->m_File.IsOpen() )
- m_Reader->m_FooterPart.Dump(stream);
+ m_Reader->m_IndexAccess.Dump(stream);
+}
+
+//
+ASDCP::Result_t
+ASDCP::MPEG2::MXFReader::Close() const
+{
+ if ( m_Reader && m_Reader->m_File.IsOpen() )
+ {
+ m_Reader->Close();
+ return RESULT_OK;
+ }
+
+ return RESULT_INIT;
+}
+
+//
+ASDCP::Result_t
+ASDCP::MPEG2::MXFReader::FrameType(ui32_t FrameNum, FrameType_t& type) const
+{
+ if ( ! m_Reader )
+ return RESULT_INIT;
+
+ return m_Reader->FrameType(FrameNum, type);
}
//------------------------------------------------------------------------------------------
//
-class ASDCP::MPEG2::MXFWriter::h__Writer : public ASDCP::h__Writer
+class ASDCP::MPEG2::MXFWriter::h__Writer : public ASDCP::h__ASDCPWriter
{
+ ASDCP_NO_COPY_CONSTRUCT(h__Writer);
+ h__Writer();
+
public:
VideoDescriptor m_VDesc;
ui32_t m_GOPOffset;
byte_t m_EssenceUL[SMPTE_UL_LENGTH];
- ASDCP_NO_COPY_CONSTRUCT(h__Writer);
-
- h__Writer() : m_GOPOffset(0) {
+ h__Writer(const Dictionary& d) : ASDCP::h__ASDCPWriter(d), m_GOPOffset(0) {
memset(m_EssenceUL, 0, SMPTE_UL_LENGTH);
}
- ~h__Writer(){}
+ virtual ~h__Writer(){}
Result_t OpenWrite(const char*, ui32_t HeaderSize);
Result_t SetSourceStream(const VideoDescriptor&);
if ( ASDCP_SUCCESS(result) )
{
m_HeaderSize = HeaderSize;
- m_EssenceDescriptor = new MPEG2VideoDescriptor;
+ m_EssenceDescriptor = new MPEG2VideoDescriptor(m_Dict);
result = m_State.Goto_INIT();
}
ASDCP::Result_t
ASDCP::MPEG2::MXFWriter::h__Writer::SetSourceStream(const VideoDescriptor& VDesc)
{
+ assert(m_Dict);
if ( ! m_State.Test_INIT() )
return RESULT_STATE;
m_VDesc = VDesc;
Result_t result = MPEG2_VDesc_to_MD(m_VDesc, (MPEG2VideoDescriptor*)m_EssenceDescriptor);
- if ( ASDCP_SUCCESS(result) )
- result = WriteMXFHeader(MPEG_PACKAGE_LABEL, UL(Dict::ul(MDD_MPEG2_VESWrapping)),
- PICT_DEF_LABEL, UL(Dict::ul(MDD_PictureDataDef)),
- m_VDesc.EditRate, 24 /* TCFrameRate */);
-
if ( ASDCP_SUCCESS(result) )
{
- memcpy(m_EssenceUL, Dict::ul(MDD_MPEG2Essence), SMPTE_UL_LENGTH);
+ memcpy(m_EssenceUL, m_Dict->ul(MDD_MPEG2Essence), SMPTE_UL_LENGTH);
m_EssenceUL[SMPTE_UL_LENGTH-1] = 1; // first (and only) essence container
result = m_State.Goto_READY();
}
+ if ( ASDCP_SUCCESS(result) )
+ {
+ result = WriteASDCPHeader(MPEG_PACKAGE_LABEL, UL(m_Dict->ul(MDD_MPEG2_VESWrapping)),
+ PICT_DEF_LABEL, UL(m_EssenceUL), UL(m_Dict->ul(MDD_PictureDataDef)),
+ m_VDesc.EditRate, derive_timecode_rate_from_edit_rate(m_VDesc.EditRate));
+ }
+
return result;
}
m_State.Goto_FINAL();
- return WriteMXFFooter();
+ return WriteASDCPFooter();
}
{
}
+// Warning: direct manipulation of MXF structures can interfere
+// with the normal operation of the wrapper. Caveat emptor!
+//
+ASDCP::MXF::OP1aHeader&
+ASDCP::MPEG2::MXFWriter::OP1aHeader()
+{
+ if ( m_Writer.empty() )
+ {
+ assert(g_OP1aHeader);
+ return *g_OP1aHeader;
+ }
+
+ return m_Writer->m_HeaderPart;
+}
+
+// Warning: direct manipulation of MXF structures can interfere
+// with the normal operation of the wrapper. Caveat emptor!
+//
+ASDCP::MXF::OPAtomIndexFooter&
+ASDCP::MPEG2::MXFWriter::OPAtomIndexFooter()
+{
+ if ( m_Writer.empty() )
+ {
+ assert(g_OPAtomIndexFooter);
+ return *g_OPAtomIndexFooter;
+ }
+
+ return m_Writer->m_FooterPart;
+}
+
+// Warning: direct manipulation of MXF structures can interfere
+// with the normal operation of the wrapper. Caveat emptor!
+//
+ASDCP::MXF::RIP&
+ASDCP::MPEG2::MXFWriter::RIP()
+{
+ if ( m_Writer.empty() )
+ {
+ assert(g_RIP);
+ return *g_RIP;
+ }
+
+ return m_Writer->m_RIP;
+}
// Open the file for writing. The file must not exist. Returns error if
// the operation cannot be completed.
ASDCP::MPEG2::MXFWriter::OpenWrite(const char* filename, const WriterInfo& Info,
const VideoDescriptor& VDesc, ui32_t HeaderSize)
{
- m_Writer = new h__Writer;
+ if ( Info.LabelSetType == LS_MXF_SMPTE )
+ m_Writer = new h__Writer(DefaultSMPTEDict());
+ else
+ m_Writer = new h__Writer(DefaultInteropDict());
+
m_Writer->m_Info = Info;
Result_t result = m_Writer->OpenWrite(filename, HeaderSize);
projects / asdcplib.git / blobdiff