mirror of https://github.com/etlegacy/EasyGen.git
520 lines
16 KiB
C++
520 lines
16 KiB
C++
///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2011, Industrial Light & Magic, a division of Lucas
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// Digital Ltd. LLC
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Industrial Light & Magic nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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///////////////////////////////////////////////////////////////////////////
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#include "ImfMultiPartOutputFile.h"
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#include "ImfBoxAttribute.h"
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#include "ImfFloatAttribute.h"
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#include "ImfTimeCodeAttribute.h"
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#include "ImfChromaticitiesAttribute.h"
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#include "ImfOutputPartData.h"
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#include "ImfPartType.h"
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#include "ImfOutputFile.h"
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#include "ImfTiledOutputFile.h"
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#include "ImfThreading.h"
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#include "IlmThreadMutex.h"
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#include "ImfMisc.h"
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#include "ImfStdIO.h"
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#include "ImfDeepScanLineOutputFile.h"
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#include "ImfDeepTiledOutputFile.h"
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#include "ImfOutputStreamMutex.h"
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#include "ImfNamespace.h"
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#include <Iex.h>
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#include <set>
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OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_ENTER
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using IMATH_NAMESPACE::Box2i;
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using ILMTHREAD_NAMESPACE::Lock;
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using std::vector;
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using std::map;
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using std::set;
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struct MultiPartOutputFile::Data: public OutputStreamMutex
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{
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vector<OutputPartData*> parts; // Contains data to initialize Output files.
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bool deleteStream; // If we should delete the stream when destruction.
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int numThreads; // The number of threads.
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std::map<int, GenericOutputFile*> _outputFiles;
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std::vector<Header> _headers;
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void headerNameUniquenessCheck (const std::vector<Header> &headers);
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void writeHeadersToFile (const std::vector<Header> &headers);
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void writeChunkTableOffsets (std::vector<OutputPartData*> &parts);
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//-------------------------------------
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// ensure that _headers is valid: called by constructors
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//-------------------------------------
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void do_header_sanity_checks(bool overrideSharedAttributes);
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// ------------------------------------------------
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// Given a source header, we copy over all the 'shared attributes' to
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// the destination header and remove any conflicting ones.
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// ------------------------------------------------
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void overrideSharedAttributesValues (const Header & src,
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Header & dst);
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// ------------------------------------------------
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// Given a source header, we check the destination header for any
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// attributes that are part of the shared attribute set. For attributes
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// present in both we check the values. For attribute present in
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// destination but absent in source we return false.
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// For attributes present in src but missing from dst we return false
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// and add the attribute to dst.
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// We return false for all other cases.
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// If we return true then we also populate the conflictingAttributes
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// vector with the names of the attributes that failed the above.
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// ------------------------------------------------
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bool checkSharedAttributesValues (const Header & src,
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const Header & dst,
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std::vector<std::string> & conflictingAttributes) const;
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Data (bool deleteStream, int numThreads):
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OutputStreamMutex(),
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deleteStream (deleteStream),
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numThreads (numThreads)
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{
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}
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~Data()
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{
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if (deleteStream) delete os;
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for (size_t i = 0; i < parts.size(); i++)
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delete parts[i];
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}
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};
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void
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MultiPartOutputFile::Data::do_header_sanity_checks(bool overrideSharedAttributes)
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{
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size_t parts = _headers.size();
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if (parts == 0)
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throw IEX_NAMESPACE::ArgExc ("Empty header list.");
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bool isMultiPart = (parts > 1);
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//
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// Do part 0 checks first.
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//
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_headers[0].sanityCheck (_headers[0].hasTileDescription(), isMultiPart);
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if (isMultiPart)
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{
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// multipart files must contain a chunkCount attribute
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_headers[0].setChunkCount(getChunkOffsetTableSize(_headers[0],true));
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for (size_t i = 1; i < parts; i++)
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{
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if (_headers[i].hasType() == false)
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throw IEX_NAMESPACE::ArgExc ("Every header in a multipart file should have a type");
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_headers[i].setChunkCount(getChunkOffsetTableSize(_headers[i],true));
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_headers[i].sanityCheck (_headers[i].hasTileDescription(), isMultiPart);
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if (overrideSharedAttributes)
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overrideSharedAttributesValues(_headers[0],_headers[i]);
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else
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{
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std::vector<std::string> conflictingAttributes;
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bool valid =checkSharedAttributesValues (_headers[0],
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_headers[i],
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conflictingAttributes);
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if (valid)
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{
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string excMsg("Conflicting attributes found for header :: ");
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excMsg += _headers[i].name();
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for (size_t i=0; i<conflictingAttributes.size(); i++)
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excMsg += " '" + conflictingAttributes[i] + "' ";
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THROW (IEX_NAMESPACE::ArgExc, excMsg);
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}
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}
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}
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headerNameUniquenessCheck(_headers);
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}else{
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// add chunk count offset to single part data (if not an image)
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if (_headers[0].hasType() && isImage(_headers[0].type()) == false)
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{
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_headers[0].setChunkCount(getChunkOffsetTableSize(_headers[0],true));
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}
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}
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}
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MultiPartOutputFile::MultiPartOutputFile (const char fileName[],
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const Header * headers,
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int parts,
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bool overrideSharedAttributes,
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int numThreads)
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:
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_data (new Data (true, numThreads))
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{
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// grab headers
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_data->_headers.resize(parts);
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for(int i=0;i<parts;i++)
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{
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_data->_headers[i]=headers[i];
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}
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try
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{
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_data->do_header_sanity_checks(overrideSharedAttributes);
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//
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// Build parts and write headers and offset tables to file.
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//
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_data->os = new StdOFStream (fileName);
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for (size_t i = 0; i < _data->_headers.size(); i++)
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_data->parts.push_back( new OutputPartData(_data, _data->_headers[i], i, numThreads, parts>1 ) );
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writeMagicNumberAndVersionField(*_data->os, &_data->_headers[0],_data->_headers.size());
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_data->writeHeadersToFile(_data->_headers);
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_data->writeChunkTableOffsets(_data->parts);
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}
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catch (IEX_NAMESPACE::BaseExc &e)
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{
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delete _data;
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REPLACE_EXC (e, "Cannot open image file "
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"\"" << fileName << "\". " << e);
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throw;
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}
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catch (...)
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{
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delete _data;
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throw;
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}
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}
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MultiPartOutputFile::MultiPartOutputFile(OStream& os,
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const Header* headers,
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int parts,
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bool overrideSharedAttributes,
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int numThreads):
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_data(new Data(false,numThreads))
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{
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// grab headers
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_data->_headers.resize(parts);
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_data->os=&os;
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for(int i=0;i<parts;i++)
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{
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_data->_headers[i]=headers[i];
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}
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try
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{
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_data->do_header_sanity_checks(overrideSharedAttributes);
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//
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// Build parts and write headers and offset tables to file.
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//
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for (size_t i = 0; i < _data->_headers.size(); i++)
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_data->parts.push_back( new OutputPartData(_data, _data->_headers[i], i, numThreads, parts>1 ) );
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writeMagicNumberAndVersionField(*_data->os, &_data->_headers[0],_data->_headers.size());
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_data->writeHeadersToFile(_data->_headers);
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_data->writeChunkTableOffsets(_data->parts);
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}
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catch (IEX_NAMESPACE::BaseExc &e)
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{
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delete _data;
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REPLACE_EXC (e, "Cannot open image stream "
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"\"" << os.fileName() << "\". " << e);
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throw;
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}
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catch (...)
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{
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delete _data;
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throw;
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}
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}
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const Header &
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MultiPartOutputFile::header(int n) const
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{
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if(n<0 || n>int(_data->_headers.size()))
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{
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throw IEX_NAMESPACE::ArgExc("MultiPartOutputFile::header called with invalid part number");
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}
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return _data->_headers[n];
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}
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int
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MultiPartOutputFile::parts() const
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{
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return _data->_headers.size();
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}
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MultiPartOutputFile::~MultiPartOutputFile ()
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{
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for (map<int, GenericOutputFile*>::iterator it = _data->_outputFiles.begin();
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it != _data->_outputFiles.end(); it++)
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{
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delete it->second;
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}
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delete _data;
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}
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template <class T>
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T*
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MultiPartOutputFile::getOutputPart(int partNumber)
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{
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Lock lock(*_data);
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if (_data->_outputFiles.find(partNumber) == _data->_outputFiles.end())
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{
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T* file = new T(_data->parts[partNumber]);
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_data->_outputFiles.insert(std::make_pair(partNumber, (GenericOutputFile*) file));
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return file;
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}
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else return (T*) _data->_outputFiles[partNumber];
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}
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// instance above function for all four types
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template OutputFile* MultiPartOutputFile::getOutputPart<OutputFile>(int);
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template TiledOutputFile * MultiPartOutputFile::getOutputPart<TiledOutputFile>(int);
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template DeepScanLineOutputFile * MultiPartOutputFile::getOutputPart<DeepScanLineOutputFile> (int);
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template DeepTiledOutputFile * MultiPartOutputFile::getOutputPart<DeepTiledOutputFile> (int);
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void
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MultiPartOutputFile::Data::overrideSharedAttributesValues(const Header & src, Header & dst)
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{
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//
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// Display Window
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//
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const Box2iAttribute * displayWindow =
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src.findTypedAttribute<Box2iAttribute> ("displayWindow");
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if (displayWindow)
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dst.insert ("displayWindow", *displayWindow);
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else
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dst.erase ("displayWindow");
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//
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// Pixel Aspect Ratio
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//
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const FloatAttribute * pixelAspectRatio =
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src.findTypedAttribute<FloatAttribute> ("pixelAspectRatio");
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if (pixelAspectRatio)
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dst.insert ("pixelAspectRatio", *pixelAspectRatio);
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else
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dst.erase ("pixelAspectRatio");
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//
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// Timecode
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//
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const TimeCodeAttribute * timeCode =
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src.findTypedAttribute<TimeCodeAttribute> ("timecode");
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if (timeCode)
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dst.insert ("timecode", *timeCode);
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else
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dst.erase ("timecode");
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//
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// Chromaticities
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//
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const ChromaticitiesAttribute * chromaticities =
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src.findTypedAttribute<ChromaticitiesAttribute> ("chromaticities");
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if (chromaticities)
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dst.insert ("chromaticities", *chromaticities);
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else
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dst.erase ("chromaticities");
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}
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bool
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MultiPartOutputFile::Data::checkSharedAttributesValues(const Header & src,
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const Header & dst,
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vector<string> & conflictingAttributes) const
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{
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bool conflict = false;
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//
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// Display Window
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//
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if (src.displayWindow() != dst.displayWindow())
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{
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conflict = true;
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conflictingAttributes.push_back ("displayWindow");
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}
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//
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// Pixel Aspect Ratio
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//
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if (src.pixelAspectRatio() != dst.pixelAspectRatio())
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{
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conflict = true;
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conflictingAttributes.push_back ("pixelAspectRatio");
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}
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//
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// Timecode
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//
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const TimeCodeAttribute * srcTimeCode = src.findTypedAttribute<
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TimeCodeAttribute> (TimeCodeAttribute::staticTypeName());
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const TimeCodeAttribute * dstTimeCode = dst.findTypedAttribute<
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TimeCodeAttribute> (TimeCodeAttribute::staticTypeName());
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if (dstTimeCode)
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{
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if ((srcTimeCode && (srcTimeCode->value() != dstTimeCode->value())) ||
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(!srcTimeCode))
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{
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conflict = true;
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conflictingAttributes.push_back (TimeCodeAttribute::staticTypeName());
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}
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}
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//
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// Chromaticities
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//
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const ChromaticitiesAttribute * srcChrom = src.findTypedAttribute<
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ChromaticitiesAttribute> (ChromaticitiesAttribute::staticTypeName());
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const ChromaticitiesAttribute * dstChrom = dst.findTypedAttribute<
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ChromaticitiesAttribute> (ChromaticitiesAttribute::staticTypeName());
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if (dstChrom)
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{
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if ( (srcChrom && (srcChrom->value() != dstChrom->value())) ||
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(!srcChrom))
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{
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conflict = true;
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conflictingAttributes.push_back (ChromaticitiesAttribute::staticTypeName());
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}
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}
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return conflict;
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}
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void
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MultiPartOutputFile::Data::headerNameUniquenessCheck (const vector<Header> &headers)
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{
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set<string> names;
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for (size_t i = 0; i < headers.size(); i++)
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{
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if (names.find(headers[i].name()) != names.end())
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throw IEX_NAMESPACE::ArgExc ("Each part should have a unique name.");
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names.insert(headers[i].name());
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}
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}
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void
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MultiPartOutputFile::Data::writeHeadersToFile (const vector<Header> &headers)
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{
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for (size_t i = 0; i < headers.size(); i++)
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{
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// (TODO) consider deep files' preview images here.
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if (headers[i].type() == TILEDIMAGE)
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parts[i]->previewPosition = headers[i].writeTo(*os, true);
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else
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parts[i]->previewPosition = headers[i].writeTo(*os, false);
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}
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//
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// If a multipart file, write zero-length attribute name to mark the end of all headers.
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//
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if (headers.size() !=1)
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OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::write <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (*os, "");
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}
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void
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MultiPartOutputFile::Data::writeChunkTableOffsets (vector<OutputPartData*> &parts)
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{
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for (size_t i = 0; i < parts.size(); i++)
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{
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int chunkTableSize = getChunkOffsetTableSize(parts[i]->header,false);
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Int64 pos = os->tellp();
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if (pos == -1)
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IEX_NAMESPACE::throwErrnoExc ("Cannot determine current file position (%T).");
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parts[i]->chunkOffsetTablePosition = os->tellp();
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//
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// Fill in empty data for now. We'll write actual offsets during destruction.
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//
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for (int j = 0; j < chunkTableSize; j++)
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{
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Int64 empty = 0;
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OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::write <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (*os, empty);
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}
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}
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}
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OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_EXIT
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