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Diffstat (limited to 'asdcplib/src/h__Writer.cpp')
| -rwxr-xr-x | asdcplib/src/h__Writer.cpp | 711 |
1 files changed, 0 insertions, 711 deletions
diff --git a/asdcplib/src/h__Writer.cpp b/asdcplib/src/h__Writer.cpp deleted file mode 100755 index b24fa9c..0000000 --- a/asdcplib/src/h__Writer.cpp +++ /dev/null @@ -1,711 +0,0 @@ -/* -Copyright (c) 2004-2012, John Hurst -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: -1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. -2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. -3. The name of the author may not be used to endorse or promote products - derived from this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR -IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES -OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. -IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, -INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT -NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF -THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ -/*! \file h__Writer.cpp - \version $Id: h__Writer.cpp,v 1.51 2012/02/07 18:54:25 jhurst Exp $ - \brief MXF file writer base class -*/ - -#include "AS_DCP_internal.h" -#include "KLV.h" -#include <iostream> - -using std::cout; -using namespace ASDCP; -using namespace ASDCP::MXF; - -// a magic number identifying asdcplib -#ifndef ASDCP_BUILD_NUMBER -#define ASDCP_BUILD_NUMBER 0x6A68 -#endif - - -static std::vector<int> -version_split(const char* str) -{ - std::vector<int> result; - - const char* pstr = str; - const char* r = strchr(pstr, '.'); - - while ( r != 0 ) - { - assert(r >= pstr); - if ( r > pstr ) - result.push_back(atoi(pstr)); - - pstr = r + 1; - r = strchr(pstr, '.'); - } - - if( strlen(pstr) > 0 ) - result.push_back(atoi(pstr)); - - assert(result.size() == 3); - return result; -} - - -// -ASDCP::h__Writer::h__Writer(const Dictionary& d) : - m_Dict(&d), m_HeaderSize(0), m_HeaderPart(m_Dict), - m_BodyPart(m_Dict), m_FooterPart(m_Dict), m_EssenceStart(0), - m_EssenceDescriptor(0), m_FramesWritten(0), m_StreamOffset(0) -{ - default_md_object_init(); -} - -ASDCP::h__Writer::~h__Writer() -{ -} - -// -// add DMS CryptographicFramework entry to source package -void -AddDMScrypt(Partition& HeaderPart, SourcePackage& Package, - WriterInfo& Descr, const UL& WrappingUL, const Dictionary*& Dict) -{ - assert(Dict); - // Essence Track - StaticTrack* NewTrack = new StaticTrack(Dict); - HeaderPart.AddChildObject(NewTrack); - Package.Tracks.push_back(NewTrack->InstanceUID); - NewTrack->TrackName = "Descriptive Track"; - NewTrack->TrackID = 3; - - Sequence* Seq = new Sequence(Dict); - HeaderPart.AddChildObject(Seq); - NewTrack->Sequence = Seq->InstanceUID; - Seq->DataDefinition = UL(Dict->ul(MDD_DescriptiveMetaDataDef)); - - DMSegment* Segment = new DMSegment(Dict); - HeaderPart.AddChildObject(Segment); - Seq->StructuralComponents.push_back(Segment->InstanceUID); - Segment->EventComment = "AS-DCP KLV Encryption"; - - CryptographicFramework* CFW = new CryptographicFramework(Dict); - HeaderPart.AddChildObject(CFW); - Segment->DMFramework = CFW->InstanceUID; - - CryptographicContext* Context = new CryptographicContext(Dict); - HeaderPart.AddChildObject(Context); - CFW->ContextSR = Context->InstanceUID; - - Context->ContextID.Set(Descr.ContextID); - Context->SourceEssenceContainer = WrappingUL; // ?????? - Context->CipherAlgorithm.Set(Dict->ul(MDD_CipherAlgorithm_AES)); - Context->MICAlgorithm.Set( Descr.UsesHMAC ? Dict->ul(MDD_MICAlgorithm_HMAC_SHA1) : Dict->ul(MDD_MICAlgorithm_NONE) ); - Context->CryptographicKeyID.Set(Descr.CryptographicKeyID); -} - -// -void -ASDCP::h__Writer::InitHeader() -{ - assert(m_Dict); - assert(m_EssenceDescriptor); - - m_HeaderPart.m_Primer.ClearTagList(); - m_HeaderPart.m_Preface = new Preface(m_Dict); - m_HeaderPart.AddChildObject(m_HeaderPart.m_Preface); - - // Set the Operational Pattern label -- we're just starting and have no RIP or index, - // so we tell the world by using OP1a - m_HeaderPart.m_Preface->OperationalPattern = UL(m_Dict->ul(MDD_OP1a)); - m_HeaderPart.OperationalPattern = m_HeaderPart.m_Preface->OperationalPattern; - - // First RIP Entry - if ( m_Info.LabelSetType == LS_MXF_SMPTE ) - m_HeaderPart.m_RIP.PairArray.push_back(RIP::Pair(0, 0)); // 3-part, no essence in header - else - m_HeaderPart.m_RIP.PairArray.push_back(RIP::Pair(1, 0)); // 2-part, essence in header - - // - // Identification - // - Identification* Ident = new Identification(m_Dict); - m_HeaderPart.AddChildObject(Ident); - m_HeaderPart.m_Preface->Identifications.push_back(Ident->InstanceUID); - - Kumu::GenRandomValue(Ident->ThisGenerationUID); - Ident->CompanyName = m_Info.CompanyName.c_str(); - Ident->ProductName = m_Info.ProductName.c_str(); - Ident->VersionString = m_Info.ProductVersion.c_str(); - Ident->ProductUID.Set(m_Info.ProductUUID); - Ident->Platform = ASDCP_PLATFORM; - - std::vector<int> version = version_split(Version()); - - Ident->ToolkitVersion.Major = version[0]; - Ident->ToolkitVersion.Minor = version[1]; - Ident->ToolkitVersion.Patch = version[2]; - Ident->ToolkitVersion.Build = ASDCP_BUILD_NUMBER; - Ident->ToolkitVersion.Release = VersionType::RL_RELEASE; -} - -// -template <class ClipT> -struct TrackSet -{ - MXF::Track* Track; - MXF::Sequence* Sequence; - ClipT* Clip; - - TrackSet() : Track(0), Sequence(0), Clip(0) {} -}; - -// -template <class PackageT, class ClipT> -TrackSet<ClipT> -CreateTrackAndSequence(OPAtomHeader& Header, PackageT& Package, const std::string TrackName, - const MXF::Rational& EditRate, const UL& Definition, ui32_t TrackID, const Dictionary*& Dict) -{ - TrackSet<ClipT> NewTrack; - - NewTrack.Track = new Track(Dict); - Header.AddChildObject(NewTrack.Track); - NewTrack.Track->EditRate = EditRate; - Package.Tracks.push_back(NewTrack.Track->InstanceUID); - NewTrack.Track->TrackID = TrackID; - NewTrack.Track->TrackName = TrackName.c_str(); - - NewTrack.Sequence = new Sequence(Dict); - Header.AddChildObject(NewTrack.Sequence); - NewTrack.Track->Sequence = NewTrack.Sequence->InstanceUID; - NewTrack.Sequence->DataDefinition = Definition; - - return NewTrack; -} - -// -template <class PackageT> -TrackSet<TimecodeComponent> -CreateTimecodeTrack(OPAtomHeader& Header, PackageT& Package, - const MXF::Rational& EditRate, ui32_t TCFrameRate, ui64_t TCStart, const Dictionary*& Dict) -{ - assert(Dict); - UL TCUL(Dict->ul(MDD_TimecodeDataDef)); - - TrackSet<TimecodeComponent> NewTrack = CreateTrackAndSequence<PackageT, TimecodeComponent>(Header, Package, "Timecode Track", EditRate, TCUL, 1, Dict); - - NewTrack.Clip = new TimecodeComponent(Dict); - Header.AddChildObject(NewTrack.Clip); - NewTrack.Sequence->StructuralComponents.push_back(NewTrack.Clip->InstanceUID); - NewTrack.Clip->RoundedTimecodeBase = TCFrameRate; - NewTrack.Clip->StartTimecode = TCStart; - NewTrack.Clip->DataDefinition = TCUL; - - return NewTrack; -} - - -// -void -ASDCP::h__Writer::AddSourceClip(const MXF::Rational& EditRate, ui32_t TCFrameRate, - const std::string& TrackName, const UL& EssenceUL, - const UL& DataDefinition, const std::string& PackageLabel) -{ - // - ContentStorage* Storage = new ContentStorage(m_Dict); - m_HeaderPart.AddChildObject(Storage); - m_HeaderPart.m_Preface->ContentStorage = Storage->InstanceUID; - - EssenceContainerData* ECD = new EssenceContainerData(m_Dict); - m_HeaderPart.AddChildObject(ECD); - Storage->EssenceContainerData.push_back(ECD->InstanceUID); - ECD->IndexSID = 129; - ECD->BodySID = 1; - - UUID assetUUID(m_Info.AssetUUID); - UMID SourcePackageUMID, MaterialPackageUMID; - SourcePackageUMID.MakeUMID(0x0f, assetUUID); - MaterialPackageUMID.MakeUMID(0x0f); // unidentified essence - - // - // Material Package - // - m_MaterialPackage = new MaterialPackage(m_Dict); - m_MaterialPackage->Name = "AS-DCP Material Package"; - m_MaterialPackage->PackageUID = MaterialPackageUMID; - m_HeaderPart.AddChildObject(m_MaterialPackage); - Storage->Packages.push_back(m_MaterialPackage->InstanceUID); - - TrackSet<TimecodeComponent> MPTCTrack = - CreateTimecodeTrack<MaterialPackage>(m_HeaderPart, *m_MaterialPackage, - EditRate, TCFrameRate, 0, m_Dict); - m_DurationUpdateList.push_back(&(MPTCTrack.Sequence->Duration)); - m_DurationUpdateList.push_back(&(MPTCTrack.Clip->Duration)); - - TrackSet<SourceClip> MPTrack = - CreateTrackAndSequence<MaterialPackage, SourceClip>(m_HeaderPart, *m_MaterialPackage, - TrackName, EditRate, DataDefinition, - 2, m_Dict); - m_DurationUpdateList.push_back(&(MPTrack.Sequence->Duration)); - - MPTrack.Clip = new SourceClip(m_Dict); - m_HeaderPart.AddChildObject(MPTrack.Clip); - MPTrack.Sequence->StructuralComponents.push_back(MPTrack.Clip->InstanceUID); - MPTrack.Clip->DataDefinition = DataDefinition; - MPTrack.Clip->SourcePackageID = SourcePackageUMID; - MPTrack.Clip->SourceTrackID = 2; - m_DurationUpdateList.push_back(&(MPTrack.Clip->Duration)); - - - // - // File (Source) Package - // - m_FilePackage = new SourcePackage(m_Dict); - m_FilePackage->Name = PackageLabel.c_str(); - m_FilePackage->PackageUID = SourcePackageUMID; - ECD->LinkedPackageUID = SourcePackageUMID; - - m_HeaderPart.AddChildObject(m_FilePackage); - Storage->Packages.push_back(m_FilePackage->InstanceUID); - - TrackSet<TimecodeComponent> FPTCTrack = - CreateTimecodeTrack<SourcePackage>(m_HeaderPart, *m_FilePackage, - EditRate, TCFrameRate, - ui64_C(3600) * TCFrameRate, m_Dict); - m_DurationUpdateList.push_back(&(FPTCTrack.Sequence->Duration)); - m_DurationUpdateList.push_back(&(FPTCTrack.Clip->Duration)); - TrackSet<SourceClip> FPTrack = - CreateTrackAndSequence<SourcePackage, SourceClip>(m_HeaderPart, *m_FilePackage, - TrackName, EditRate, DataDefinition, - 2, m_Dict); - m_DurationUpdateList.push_back(&(FPTrack.Sequence->Duration)); - - // Consult ST 379:2004 Sec. 6.3, "Element to track relationship" to see where "12" comes from. - FPTrack.Track->TrackNumber = KM_i32_BE(Kumu::cp2i<ui32_t>((EssenceUL.Value() + 12))); - - FPTrack.Clip = new SourceClip(m_Dict); - m_HeaderPart.AddChildObject(FPTrack.Clip); - FPTrack.Sequence->StructuralComponents.push_back(FPTrack.Clip->InstanceUID); - FPTrack.Clip->DataDefinition = DataDefinition; - - // for now we do not allow setting this value, so all files will be 'original' - FPTrack.Clip->SourceTrackID = 0; - FPTrack.Clip->SourcePackageID = NilUMID; - m_DurationUpdateList.push_back(&(FPTrack.Clip->Duration)); - - m_EssenceDescriptor->LinkedTrackID = FPTrack.Track->TrackID; -} - -// -void -ASDCP::h__Writer::AddDMSegment(const MXF::Rational& EditRate, ui32_t TCFrameRate, - const std::string& TrackName, const UL& DataDefinition, - const std::string& PackageLabel) -{ - // - ContentStorage* Storage = new ContentStorage(m_Dict); - m_HeaderPart.AddChildObject(Storage); - m_HeaderPart.m_Preface->ContentStorage = Storage->InstanceUID; - - EssenceContainerData* ECD = new EssenceContainerData(m_Dict); - m_HeaderPart.AddChildObject(ECD); - Storage->EssenceContainerData.push_back(ECD->InstanceUID); - ECD->IndexSID = 129; - ECD->BodySID = 1; - - UUID assetUUID(m_Info.AssetUUID); - UMID SourcePackageUMID, MaterialPackageUMID; - SourcePackageUMID.MakeUMID(0x0f, assetUUID); - MaterialPackageUMID.MakeUMID(0x0f); // unidentified essence - - // - // Material Package - // - m_MaterialPackage = new MaterialPackage(m_Dict); - m_MaterialPackage->Name = "AS-DCP Material Package"; - m_MaterialPackage->PackageUID = MaterialPackageUMID; - m_HeaderPart.AddChildObject(m_MaterialPackage); - Storage->Packages.push_back(m_MaterialPackage->InstanceUID); - - TrackSet<TimecodeComponent> MPTCTrack = - CreateTimecodeTrack<MaterialPackage>(m_HeaderPart, *m_MaterialPackage, - EditRate, TCFrameRate, 0, m_Dict); - m_DurationUpdateList.push_back(&(MPTCTrack.Sequence->Duration)); - m_DurationUpdateList.push_back(&(MPTCTrack.Clip->Duration)); - - TrackSet<DMSegment> MPTrack = - CreateTrackAndSequence<MaterialPackage, DMSegment>(m_HeaderPart, *m_MaterialPackage, - TrackName, EditRate, DataDefinition, - 2, m_Dict); - m_DurationUpdateList.push_back(&(MPTrack.Sequence->Duration)); - - MPTrack.Clip = new DMSegment(m_Dict); - m_HeaderPart.AddChildObject(MPTrack.Clip); - MPTrack.Sequence->StructuralComponents.push_back(MPTrack.Clip->InstanceUID); - MPTrack.Clip->DataDefinition = DataDefinition; - // MPTrack.Clip->SourcePackageID = SourcePackageUMID; - // MPTrack.Clip->SourceTrackID = 2; - m_DurationUpdateList.push_back(&(MPTrack.Clip->Duration)); - - - // - // File (Source) Package - // - m_FilePackage = new SourcePackage(m_Dict); - m_FilePackage->Name = PackageLabel.c_str(); - m_FilePackage->PackageUID = SourcePackageUMID; - ECD->LinkedPackageUID = SourcePackageUMID; - - m_HeaderPart.AddChildObject(m_FilePackage); - Storage->Packages.push_back(m_FilePackage->InstanceUID); - - TrackSet<TimecodeComponent> FPTCTrack = - CreateTimecodeTrack<SourcePackage>(m_HeaderPart, *m_FilePackage, - EditRate, TCFrameRate, - ui64_C(3600) * TCFrameRate, m_Dict); - m_DurationUpdateList.push_back(&(FPTCTrack.Sequence->Duration)); - m_DurationUpdateList.push_back(&(FPTCTrack.Clip->Duration)); - - TrackSet<DMSegment> FPTrack = - CreateTrackAndSequence<SourcePackage, DMSegment>(m_HeaderPart, *m_FilePackage, - TrackName, EditRate, DataDefinition, - 2, m_Dict); - m_DurationUpdateList.push_back(&(FPTrack.Sequence->Duration)); - - FPTrack.Clip = new DMSegment(m_Dict); - m_HeaderPart.AddChildObject(FPTrack.Clip); - FPTrack.Sequence->StructuralComponents.push_back(FPTrack.Clip->InstanceUID); - FPTrack.Clip->DataDefinition = DataDefinition; - FPTrack.Clip->EventComment = "D-Cinema Timed Text"; - - m_DurationUpdateList.push_back(&(FPTrack.Clip->Duration)); - m_EssenceDescriptor->LinkedTrackID = FPTrack.Track->TrackID; -} - -// -void -ASDCP::h__Writer::AddEssenceDescriptor(const UL& WrappingUL) -{ - // - // Essence Descriptor - // - m_EssenceDescriptor->EssenceContainer = WrappingUL; - m_HeaderPart.m_Preface->PrimaryPackage = m_FilePackage->InstanceUID; - - // - // Essence Descriptors - // - assert(m_Dict); - UL GenericContainerUL(m_Dict->ul(MDD_GCMulti)); - m_HeaderPart.EssenceContainers.push_back(GenericContainerUL); - - if ( m_Info.EncryptedEssence ) - { - UL CryptEssenceUL(m_Dict->ul(MDD_EncryptedContainerLabel)); - m_HeaderPart.EssenceContainers.push_back(CryptEssenceUL); - m_HeaderPart.m_Preface->DMSchemes.push_back(UL(m_Dict->ul(MDD_CryptographicFrameworkLabel))); - AddDMScrypt(m_HeaderPart, *m_FilePackage, m_Info, WrappingUL, m_Dict); - } - else - { - m_HeaderPart.EssenceContainers.push_back(WrappingUL); - } - - m_HeaderPart.m_Preface->EssenceContainers = m_HeaderPart.EssenceContainers; - m_HeaderPart.AddChildObject(m_EssenceDescriptor); - - std::list<InterchangeObject*>::iterator sdli = m_EssenceSubDescriptorList.begin(); - for ( ; sdli != m_EssenceSubDescriptorList.end(); sdli++ ) - m_HeaderPart.AddChildObject(*sdli); - - m_FilePackage->Descriptor = m_EssenceDescriptor->InstanceUID; -} - -// -Result_t -ASDCP::h__Writer::CreateBodyPart(const MXF::Rational& EditRate, ui32_t BytesPerEditUnit) -{ - assert(m_Dict); - Result_t result = RESULT_OK; - - // create a body partition if we're writing proper 429-3/OP-Atom - if ( m_Info.LabelSetType == LS_MXF_SMPTE ) - { - // Body Partition - m_BodyPart.EssenceContainers = m_HeaderPart.EssenceContainers; - m_BodyPart.ThisPartition = m_File.Tell(); - m_BodyPart.BodySID = 1; - UL OPAtomUL(m_Dict->ul(MDD_OPAtom)); - m_BodyPart.OperationalPattern = OPAtomUL; - m_HeaderPart.m_RIP.PairArray.push_back(RIP::Pair(1, m_BodyPart.ThisPartition)); // Second RIP Entry - - UL BodyUL(m_Dict->ul(MDD_ClosedCompleteBodyPartition)); - result = m_BodyPart.WriteToFile(m_File, BodyUL); - } - else - { - m_HeaderPart.BodySID = 1; - } - - if ( ASDCP_SUCCESS(result) ) - { - // Index setup - Kumu::fpos_t ECoffset = m_File.Tell(); - m_FooterPart.IndexSID = 129; - - if ( BytesPerEditUnit == 0 ) - m_FooterPart.SetIndexParamsVBR(&m_HeaderPart.m_Primer, EditRate, ECoffset); - else - m_FooterPart.SetIndexParamsCBR(&m_HeaderPart.m_Primer, BytesPerEditUnit, EditRate); - } - - return result; -} - -// -Result_t -ASDCP::h__Writer::WriteMXFHeader(const std::string& PackageLabel, const UL& WrappingUL, - const std::string& TrackName, const UL& EssenceUL, const UL& DataDefinition, - const MXF::Rational& EditRate, ui32_t TCFrameRate, ui32_t BytesPerEditUnit) -{ - InitHeader(); - AddSourceClip(EditRate, TCFrameRate, TrackName, EssenceUL, DataDefinition, PackageLabel); - AddEssenceDescriptor(WrappingUL); - - Result_t result = m_HeaderPart.WriteToFile(m_File, m_HeaderSize); - - if ( KM_SUCCESS(result) ) - result = CreateBodyPart(EditRate, BytesPerEditUnit); - - return result; -} - - -// standard method of writing a plaintext or encrypted frame -Result_t -ASDCP::h__Writer::WriteEKLVPacket(const ASDCP::FrameBuffer& FrameBuf, const byte_t* EssenceUL, - AESEncContext* Ctx, HMACContext* HMAC, std::string* hash) -{ - Result_t result = RESULT_OK; - IntegrityPack IntPack; - - m_File.StartHashing(); - - byte_t overhead[128]; - Kumu::MemIOWriter Overhead(overhead, 128); - assert(m_Dict); - - if ( FrameBuf.Size() == 0 ) - { - DefaultLogSink().Error("Cannot write empty frame buffer\n"); - return RESULT_EMPTY_FB; - } - - if ( m_Info.EncryptedEssence ) - { - if ( ! Ctx ) - return RESULT_CRYPT_CTX; - - if ( m_Info.UsesHMAC && ! HMAC ) - return RESULT_HMAC_CTX; - - if ( FrameBuf.PlaintextOffset() > FrameBuf.Size() ) - return RESULT_LARGE_PTO; - - // encrypt the essence data (create encrypted source value) - result = EncryptFrameBuffer(FrameBuf, m_CtFrameBuf, Ctx); - - // create HMAC - if ( ASDCP_SUCCESS(result) && m_Info.UsesHMAC ) - result = IntPack.CalcValues(m_CtFrameBuf, m_Info.AssetUUID, m_FramesWritten + 1, HMAC); - - if ( ASDCP_SUCCESS(result) ) - { // write UL - Overhead.WriteRaw(m_Dict->ul(MDD_CryptEssence), SMPTE_UL_LENGTH); - - // construct encrypted triplet header - ui32_t ETLength = klv_cryptinfo_size + m_CtFrameBuf.Size(); - ui32_t BER_length = MXF_BER_LENGTH; - - if ( m_Info.UsesHMAC ) - ETLength += klv_intpack_size; - else - ETLength += (MXF_BER_LENGTH * 3); // for empty intpack - - if ( ETLength > 0x00ffffff ) // Need BER integer longer than MXF_BER_LENGTH bytes - { - BER_length = Kumu::get_BER_length_for_value(ETLength); - - // the packet is longer by the difference in expected vs. actual BER length - ETLength += BER_length - MXF_BER_LENGTH; - - if ( BER_length == 0 ) - result = RESULT_KLV_CODING; - } - - if ( ASDCP_SUCCESS(result) ) - { - if ( ! ( Overhead.WriteBER(ETLength, BER_length) // write encrypted triplet length - && Overhead.WriteBER(UUIDlen, MXF_BER_LENGTH) // write ContextID length - && Overhead.WriteRaw(m_Info.ContextID, UUIDlen) // write ContextID - && Overhead.WriteBER(sizeof(ui64_t), MXF_BER_LENGTH) // write PlaintextOffset length - && Overhead.WriteUi64BE(FrameBuf.PlaintextOffset()) // write PlaintextOffset - && Overhead.WriteBER(SMPTE_UL_LENGTH, MXF_BER_LENGTH) // write essence UL length - && Overhead.WriteRaw((byte_t*)EssenceUL, SMPTE_UL_LENGTH) // write the essence UL - && Overhead.WriteBER(sizeof(ui64_t), MXF_BER_LENGTH) // write SourceLength length - && Overhead.WriteUi64BE(FrameBuf.Size()) // write SourceLength - && Overhead.WriteBER(m_CtFrameBuf.Size(), BER_length) ) ) // write ESV length - { - result = RESULT_KLV_CODING; - } - } - - if ( ASDCP_SUCCESS(result) ) - result = m_File.Writev(Overhead.Data(), Overhead.Length()); - } - - if ( ASDCP_SUCCESS(result) ) - { - m_StreamOffset += Overhead.Length(); - // write encrypted source value - result = m_File.Writev((byte_t*)m_CtFrameBuf.RoData(), m_CtFrameBuf.Size()); - } - - if ( ASDCP_SUCCESS(result) ) - { - m_StreamOffset += m_CtFrameBuf.Size(); - - byte_t hmoverhead[512]; - Kumu::MemIOWriter HMACOverhead(hmoverhead, 512); - - // write the HMAC - if ( m_Info.UsesHMAC ) - { - HMACOverhead.WriteRaw(IntPack.Data, klv_intpack_size); - } - else - { // we still need the var-pack length values if the intpack is empty - for ( ui32_t i = 0; i < 3 ; i++ ) - HMACOverhead.WriteBER(0, MXF_BER_LENGTH); - } - - // write HMAC - result = m_File.Writev(HMACOverhead.Data(), HMACOverhead.Length()); - m_StreamOffset += HMACOverhead.Length(); - } - } - else - { - ui32_t BER_length = MXF_BER_LENGTH; - - if ( FrameBuf.Size() > 0x00ffffff ) // Need BER integer longer than MXF_BER_LENGTH bytes - { - BER_length = Kumu::get_BER_length_for_value(FrameBuf.Size()); - - if ( BER_length == 0 ) - result = RESULT_KLV_CODING; - } - - Overhead.WriteRaw((byte_t*)EssenceUL, SMPTE_UL_LENGTH); - Overhead.WriteBER(FrameBuf.Size(), BER_length); - - if ( ASDCP_SUCCESS(result) ) - result = m_File.Writev(Overhead.Data(), Overhead.Length()); - - if ( ASDCP_SUCCESS(result) ) - result = m_File.Writev((byte_t*)FrameBuf.RoData(), FrameBuf.Size()); - - if ( ASDCP_SUCCESS(result) ) - m_StreamOffset += Overhead.Length() + FrameBuf.Size(); - } - - if ( ASDCP_SUCCESS(result) ) - result = m_File.Writev(); - - if (hash) { - *hash = m_File.StopHashing(); - } - - return result; -} - -Result_t -ASDCP::h__Writer::FakeWriteEKLVPacket(int size) -{ - Result_t result = RESULT_OK; - - m_StreamOffset += size; - m_File.Seek(size, Kumu::SP_POS); - - return result; -} - - -// standard method of writing the header and footer of a completed MXF file -// -Result_t -ASDCP::h__Writer::WriteMXFFooter() -{ - // Set top-level file package correctly for OP-Atom - - // m_MPTCSequence->Duration = m_MPTimecode->Duration = m_MPClSequence->Duration = m_MPClip->Duration = - // m_FPTCSequence->Duration = m_FPTimecode->Duration = m_FPClSequence->Duration = m_FPClip->Duration = - - DurationElementList_t::iterator dli = m_DurationUpdateList.begin(); - - for (; dli != m_DurationUpdateList.end(); dli++ ) - **dli = m_FramesWritten; - - m_EssenceDescriptor->ContainerDuration = m_FramesWritten; - m_FooterPart.PreviousPartition = m_HeaderPart.m_RIP.PairArray.back().ByteOffset; - - Kumu::fpos_t here = m_File.Tell(); - m_HeaderPart.m_RIP.PairArray.push_back(RIP::Pair(0, here)); // Last RIP Entry - m_HeaderPart.FooterPartition = here; - - assert(m_Dict); - // re-label the partition - UL OPAtomUL(m_Dict->ul(MDD_OPAtom)); - m_HeaderPart.OperationalPattern = OPAtomUL; - m_HeaderPart.m_Preface->OperationalPattern = m_HeaderPart.OperationalPattern; - - m_FooterPart.OperationalPattern = m_HeaderPart.OperationalPattern; - m_FooterPart.EssenceContainers = m_HeaderPart.EssenceContainers; - m_FooterPart.FooterPartition = here; - m_FooterPart.ThisPartition = here; - - Result_t result = m_FooterPart.WriteToFile(m_File, m_FramesWritten); - - if ( ASDCP_SUCCESS(result) ) - result = m_HeaderPart.m_RIP.WriteToFile(m_File); - - if ( ASDCP_SUCCESS(result) ) - result = m_File.Seek(0); - - if ( ASDCP_SUCCESS(result) ) - result = m_HeaderPart.WriteToFile(m_File, m_HeaderSize); - - m_File.Close(); - return result; -} - -// -// end h__Writer.cpp -// |