2 Copyright (c) 2011-2013, Robert Scheler, Heiko Sparenberg Fraunhofer IIS,
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions
10 1. Redistributions of source code must retain the above copyright
11 notice, this list of conditions and the following disclaimer.
12 2. Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in the
14 documentation and/or other materials provided with the distribution.
15 3. The name of the author may not be used to endorse or promote products
16 derived from this software without specific prior written permission.
18 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 /*! \file AS_02_JP2K.cpp
31 \brief AS-02 library, JPEG 2000 essence reader and writer implementation
34 #include "AS_02_internal.h"
39 using namespace ASDCP;
40 using namespace ASDCP::JP2K;
41 using Kumu::GenRandomValue;
43 //------------------------------------------------------------------------------------------
45 static std::string JP2K_PACKAGE_LABEL = "File Package: SMPTE ST 422 / ST 2067-5 frame wrapping of JPEG 2000 codestreams";
46 static std::string PICT_DEF_LABEL = "Image Track";
48 //------------------------------------------------------------------------------------------
50 // hidden, internal implementation of JPEG 2000 reader
53 class AS_02::JP2K::MXFReader::h__Reader : public AS_02::h__AS02Reader
55 ASDCP_NO_COPY_CONSTRUCT(h__Reader);
58 h__Reader(const Dictionary& d) :
59 AS_02::h__AS02Reader(d) {}
61 virtual ~h__Reader() {}
63 Result_t OpenRead(const std::string&);
64 Result_t ReadFrame(ui32_t, ASDCP::JP2K::FrameBuffer&, AESDecContext*, HMACContext*);
69 AS_02::JP2K::MXFReader::h__Reader::OpenRead(const std::string& filename)
71 Result_t result = OpenMXFRead(filename.c_str());
73 if( KM_SUCCESS(result) )
75 InterchangeObject* tmp_iobj = 0;
77 m_HeaderPart.GetMDObjectByType(OBJ_TYPE_ARGS(CDCIEssenceDescriptor), &tmp_iobj);
81 m_HeaderPart.GetMDObjectByType(OBJ_TYPE_ARGS(RGBAEssenceDescriptor), &tmp_iobj);
86 DefaultLogSink().Error("RGBAEssenceDescriptor nor CDCIEssenceDescriptor found.\n");
89 m_HeaderPart.GetMDObjectByType(OBJ_TYPE_ARGS(JPEG2000PictureSubDescriptor), &tmp_iobj);
93 DefaultLogSink().Error("JPEG2000PictureSubDescriptor not found.\n");
96 std::list<InterchangeObject*> ObjectList;
97 m_HeaderPart.GetMDObjectsByType(OBJ_TYPE_ARGS(Track), ObjectList);
99 if ( ObjectList.empty() )
101 DefaultLogSink().Error("MXF Metadata contains no Track Sets.\n");
102 return RESULT_AS02_FORMAT;
112 AS_02::JP2K::MXFReader::h__Reader::ReadFrame(ui32_t FrameNum, ASDCP::JP2K::FrameBuffer& FrameBuf,
113 ASDCP::AESDecContext* Ctx, ASDCP::HMACContext* HMAC)
115 if ( ! m_File.IsOpen() )
119 return ReadEKLVFrame(FrameNum, FrameBuf, m_Dict->ul(MDD_JPEG2000Essence), Ctx, HMAC);
122 //------------------------------------------------------------------------------------------
125 AS_02::JP2K::MXFReader::MXFReader()
127 m_Reader = new h__Reader(DefaultCompositeDict());
131 AS_02::JP2K::MXFReader::~MXFReader()
135 // Warning: direct manipulation of MXF structures can interfere
136 // with the normal operation of the wrapper. Caveat emptor!
138 ASDCP::MXF::OP1aHeader&
139 AS_02::JP2K::MXFReader::OP1aHeader()
141 if ( m_Reader.empty() )
143 assert(g_OP1aHeader);
144 return *g_OP1aHeader;
147 return m_Reader->m_HeaderPart;
150 // Warning: direct manipulation of MXF structures can interfere
151 // with the normal operation of the wrapper. Caveat emptor!
153 AS_02::MXF::AS02IndexReader&
154 AS_02::JP2K::MXFReader::AS02IndexReader()
156 if ( m_Reader.empty() )
158 assert(g_AS02IndexReader);
159 return *g_AS02IndexReader;
162 return m_Reader->m_IndexAccess;
165 // Warning: direct manipulation of MXF structures can interfere
166 // with the normal operation of the wrapper. Caveat emptor!
169 AS_02::JP2K::MXFReader::RIP()
171 if ( m_Reader.empty() )
177 return m_Reader->m_RIP;
180 // Open the file for reading. The file must exist. Returns error if the
181 // operation cannot be completed.
183 AS_02::JP2K::MXFReader::OpenRead(const std::string& filename) const
185 return m_Reader->OpenRead(filename);
190 AS_02::JP2K::MXFReader::Close() const
192 if ( m_Reader && m_Reader->m_File.IsOpen() )
203 AS_02::JP2K::MXFReader::ReadFrame(ui32_t FrameNum, ASDCP::JP2K::FrameBuffer& FrameBuf,
204 ASDCP::AESDecContext* Ctx, ASDCP::HMACContext* HMAC) const
206 if ( m_Reader && m_Reader->m_File.IsOpen() )
207 return m_Reader->ReadFrame(FrameNum, FrameBuf, Ctx, HMAC);
212 // Fill the struct with the values from the file's header.
213 // Returns RESULT_INIT if the file is not open.
215 AS_02::JP2K::MXFReader::FillWriterInfo(WriterInfo& Info) const
217 if ( m_Reader && m_Reader->m_File.IsOpen() )
219 Info = m_Reader->m_Info;
227 //------------------------------------------------------------------------------------------
230 class AS_02::JP2K::MXFWriter::h__Writer : public AS_02::h__AS02WriterFrame
232 ASDCP_NO_COPY_CONSTRUCT(h__Writer);
235 JPEG2000PictureSubDescriptor* m_EssenceSubDescriptor;
238 byte_t m_EssenceUL[SMPTE_UL_LENGTH];
240 h__Writer(const Dictionary& d) : h__AS02WriterFrame(d), m_EssenceSubDescriptor(0) {
241 memset(m_EssenceUL, 0, SMPTE_UL_LENGTH);
244 virtual ~h__Writer(){}
246 Result_t OpenWrite(const std::string&, ASDCP::MXF::FileDescriptor* essence_descriptor,
247 ASDCP::MXF::InterchangeObject_list_t& essence_sub_descriptor_list,
248 const AS_02::IndexStrategy_t& IndexStrategy,
249 const ui32_t& PartitionSpace, const ui32_t& HeaderSize);
250 Result_t SetSourceStream(const std::string& label, const ASDCP::Rational& edit_rate);
251 Result_t WriteFrame(const ASDCP::JP2K::FrameBuffer&, ASDCP::AESEncContext*, ASDCP::HMACContext*);
256 // Open the file for writing. The file must not exist. Returns error if
257 // the operation cannot be completed.
259 AS_02::JP2K::MXFWriter::h__Writer::OpenWrite(const std::string& filename,
260 ASDCP::MXF::FileDescriptor* essence_descriptor,
261 ASDCP::MXF::InterchangeObject_list_t& essence_sub_descriptor_list,
262 const AS_02::IndexStrategy_t& IndexStrategy,
263 const ui32_t& PartitionSpace_sec, const ui32_t& HeaderSize)
265 if ( ! m_State.Test_BEGIN() )
270 if ( m_IndexStrategy != AS_02::IS_FOLLOW )
272 DefaultLogSink().Error("Only strategy IS_FOLLOW is supported at this time.\n");
273 return Kumu::RESULT_NOTIMPL;
276 Result_t result = m_File.OpenWrite(filename.c_str());
278 if ( KM_SUCCESS(result) )
280 m_IndexStrategy = IndexStrategy;
281 m_PartitionSpace = PartitionSpace_sec; // later converted to edit units by SetSourceStream()
282 m_HeaderSize = HeaderSize;
284 if ( essence_descriptor->GetUL() != UL(m_Dict->ul(MDD_RGBAEssenceDescriptor))
285 && essence_descriptor->GetUL() != UL(m_Dict->ul(MDD_CDCIEssenceDescriptor)) )
287 DefaultLogSink().Error("Essence descriptor is not a RGBAEssenceDescriptor or CDCIEssenceDescriptor.\n");
288 essence_descriptor->Dump();
289 return RESULT_AS02_FORMAT;
292 m_EssenceDescriptor = essence_descriptor;
294 ASDCP::MXF::InterchangeObject_list_t::iterator i;
295 for ( i = essence_sub_descriptor_list.begin(); i != essence_sub_descriptor_list.end(); ++i )
297 if ( (*i)->GetUL() != UL(m_Dict->ul(MDD_JPEG2000PictureSubDescriptor)) )
299 DefaultLogSink().Error("Essence sub-descriptor is not a JPEG2000PictureSubDescriptor.\n");
303 m_EssenceSubDescriptorList.push_back(*i);
304 GenRandomValue((*i)->InstanceUID);
305 m_EssenceDescriptor->SubDescriptors.push_back((*i)->InstanceUID);
306 *i = 0; // parent will only free the ones we don't keep
309 result = m_State.Goto_INIT();
315 // Automatically sets the MXF file's metadata from the first jpeg codestream stream.
317 AS_02::JP2K::MXFWriter::h__Writer::SetSourceStream(const std::string& label, const ASDCP::Rational& edit_rate)
320 if ( ! m_State.Test_INIT() )
325 memcpy(m_EssenceUL, m_Dict->ul(MDD_JPEG2000Essence), SMPTE_UL_LENGTH);
326 m_EssenceUL[SMPTE_UL_LENGTH-1] = 1; // first (and only) essence container
327 Result_t result = m_State.Goto_READY();
329 if ( KM_SUCCESS(result) )
331 result = WriteAS02Header(label, UL(m_Dict->ul(MDD_JPEG_2000WrappingFrame)),
332 PICT_DEF_LABEL, UL(m_EssenceUL), UL(m_Dict->ul(MDD_PictureDataDef)),
333 edit_rate, derive_timecode_rate_from_edit_rate(edit_rate));
335 if ( KM_SUCCESS(result) )
337 this->m_IndexWriter.SetPrimerLookup(&this->m_HeaderPart.m_Primer);
344 // Writes a frame of essence to the MXF file. If the optional AESEncContext
345 // argument is present, the essence is encrypted prior to writing.
346 // Fails if the file is not open, is finalized, or an operating system
350 AS_02::JP2K::MXFWriter::h__Writer::WriteFrame(const ASDCP::JP2K::FrameBuffer& FrameBuf,
351 AESEncContext* Ctx, HMACContext* HMAC)
353 if ( FrameBuf.Size() == 0 )
355 DefaultLogSink().Error("The frame buffer size is zero.\n");
359 Result_t result = RESULT_OK;
361 if ( m_State.Test_READY() )
363 result = m_State.Goto_RUNNING(); // first time through
366 if ( KM_SUCCESS(result) )
368 result = WriteEKLVPacket(FrameBuf, m_EssenceUL, Ctx, HMAC);
375 // Closes the MXF file, writing the index and other closing information.
378 AS_02::JP2K::MXFWriter::h__Writer::Finalize()
380 if ( ! m_State.Test_RUNNING() )
383 Result_t result = m_State.Goto_FINAL();
385 if ( KM_SUCCESS(result) )
387 result = WriteAS02Footer();
394 //------------------------------------------------------------------------------------------
398 AS_02::JP2K::MXFWriter::MXFWriter()
402 AS_02::JP2K::MXFWriter::~MXFWriter()
406 // Warning: direct manipulation of MXF structures can interfere
407 // with the normal operation of the wrapper. Caveat emptor!
409 ASDCP::MXF::OP1aHeader&
410 AS_02::JP2K::MXFWriter::OP1aHeader()
412 if ( m_Writer.empty() )
414 assert(g_OP1aHeader);
415 return *g_OP1aHeader;
418 return m_Writer->m_HeaderPart;
421 // Warning: direct manipulation of MXF structures can interfere
422 // with the normal operation of the wrapper. Caveat emptor!
425 AS_02::JP2K::MXFWriter::RIP()
427 if ( m_Writer.empty() )
433 return m_Writer->m_RIP;
436 // Open the file for writing. The file must not exist. Returns error if
437 // the operation cannot be completed.
439 AS_02::JP2K::MXFWriter::OpenWrite(const std::string& filename, const ASDCP::WriterInfo& Info,
440 ASDCP::MXF::FileDescriptor* essence_descriptor,
441 ASDCP::MXF::InterchangeObject_list_t& essence_sub_descriptor_list,
442 const ASDCP::Rational& edit_rate, const ui32_t& header_size,
443 const IndexStrategy_t& strategy, const ui32_t& partition_space)
445 if ( essence_descriptor == 0 )
447 DefaultLogSink().Error("Essence descriptor object required.\n");
451 m_Writer = new AS_02::JP2K::MXFWriter::h__Writer(DefaultSMPTEDict());
452 m_Writer->m_Info = Info;
454 Result_t result = m_Writer->OpenWrite(filename, essence_descriptor, essence_sub_descriptor_list,
455 strategy, partition_space, header_size);
457 if ( KM_SUCCESS(result) )
458 result = m_Writer->SetSourceStream(JP2K_PACKAGE_LABEL, edit_rate);
460 if ( KM_FAILURE(result) )
466 // Writes a frame of essence to the MXF file. If the optional AESEncContext
467 // argument is present, the essence is encrypted prior to writing.
468 // Fails if the file is not open, is finalized, or an operating system
471 AS_02::JP2K::MXFWriter::WriteFrame(const ASDCP::JP2K::FrameBuffer& FrameBuf, AESEncContext* Ctx, HMACContext* HMAC)
473 if ( m_Writer.empty() )
476 return m_Writer->WriteFrame(FrameBuf, Ctx, HMAC);
479 // Closes the MXF file, writing the index and other closing information.
481 AS_02::JP2K::MXFWriter::Finalize()
483 if ( m_Writer.empty() )
486 return m_Writer->Finalize();
491 // end AS_02_JP2K.cpp