mirror of
https://github.com/opencv/opencv.git
synced 2024-12-16 02:19:12 +08:00
878af7ada8
3rdparty: update OpenEXR 2.3.0 (#14725) * openexr 2.2.1 * openexr 2.3.0 * openexr: build fixes * openexr: build dwa tables on-demand
784 lines
24 KiB
C++
784 lines
24 KiB
C++
///////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (c) 2011, Industrial Light & Magic, a division of Lucas
|
|
// Digital Ltd. LLC
|
|
//
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * 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.
|
|
// * Neither the name of Industrial Light & Magic nor the names of
|
|
// its contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "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 COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS 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.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "ImfMultiPartInputFile.h"
|
|
|
|
#include "ImfTimeCodeAttribute.h"
|
|
#include "ImfChromaticitiesAttribute.h"
|
|
#include "ImfBoxAttribute.h"
|
|
#include "ImfFloatAttribute.h"
|
|
#include "ImfStdIO.h"
|
|
#include "ImfTileOffsets.h"
|
|
#include "ImfMisc.h"
|
|
#include "ImfTiledMisc.h"
|
|
#include "ImfInputStreamMutex.h"
|
|
#include "ImfInputPartData.h"
|
|
#include "ImfPartType.h"
|
|
#include "ImfInputFile.h"
|
|
#include "ImfScanLineInputFile.h"
|
|
#include "ImfTiledInputFile.h"
|
|
#include "ImfDeepScanLineInputFile.h"
|
|
#include "ImfDeepTiledInputFile.h"
|
|
#include "ImfVersion.h"
|
|
|
|
#include <OpenEXRConfig.h>
|
|
#include <IlmThread.h>
|
|
#include <IlmThreadMutex.h>
|
|
|
|
#include <Iex.h>
|
|
#include <map>
|
|
#include <set>
|
|
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_ENTER
|
|
|
|
using ILMTHREAD_NAMESPACE::Mutex;
|
|
using ILMTHREAD_NAMESPACE::Lock;
|
|
using IMATH_NAMESPACE::Box2i;
|
|
|
|
using std::vector;
|
|
using std::map;
|
|
using std::set;
|
|
using std::string;
|
|
|
|
namespace
|
|
{
|
|
// Controls whether we error out in the event of shared attribute
|
|
// inconsistency in the input file
|
|
static const bool strictSharedAttribute = true;
|
|
}
|
|
|
|
struct MultiPartInputFile::Data: public InputStreamMutex
|
|
{
|
|
int version; // Version of this file.
|
|
bool deleteStream; // If we should delete the stream during destruction.
|
|
vector<InputPartData*> parts; // Data to initialize Output files.
|
|
int numThreads; // Number of threads
|
|
bool reconstructChunkOffsetTable; // If we should reconstruct
|
|
// the offset table if it's broken.
|
|
std::map<int,GenericInputFile*> _inputFiles;
|
|
std::vector<Header> _headers;
|
|
|
|
|
|
void chunkOffsetReconstruction(OPENEXR_IMF_INTERNAL_NAMESPACE::IStream& is, const std::vector<InputPartData*>& parts);
|
|
|
|
void readChunkOffsetTables(bool reconstructChunkOffsetTable);
|
|
|
|
bool checkSharedAttributesValues(const Header & src,
|
|
const Header & dst,
|
|
std::vector<std::string> & conflictingAttributes) const;
|
|
|
|
TileOffsets* createTileOffsets(const Header& header);
|
|
|
|
InputPartData* getPart(int partNumber);
|
|
|
|
Data (bool deleteStream, int numThreads, bool reconstructChunkOffsetTable):
|
|
InputStreamMutex(),
|
|
deleteStream (deleteStream),
|
|
numThreads (numThreads),
|
|
reconstructChunkOffsetTable(reconstructChunkOffsetTable)
|
|
{
|
|
}
|
|
|
|
~Data()
|
|
{
|
|
if (deleteStream) delete is;
|
|
|
|
for (size_t i = 0; i < parts.size(); i++)
|
|
delete parts[i];
|
|
}
|
|
|
|
template <class T>
|
|
T* createInputPartT(int partNumber)
|
|
{
|
|
|
|
}
|
|
};
|
|
|
|
MultiPartInputFile::MultiPartInputFile(const char fileName[],
|
|
int numThreads,
|
|
bool reconstructChunkOffsetTable):
|
|
_data(new Data(true, numThreads, reconstructChunkOffsetTable))
|
|
{
|
|
try
|
|
{
|
|
_data->is = new StdIFStream (fileName);
|
|
initialize();
|
|
}
|
|
catch (IEX_NAMESPACE::BaseExc &e)
|
|
{
|
|
delete _data;
|
|
|
|
REPLACE_EXC (e, "Cannot read image file "
|
|
"\"" << fileName << "\". " << e.what());
|
|
throw;
|
|
}
|
|
catch (...)
|
|
{
|
|
delete _data;
|
|
throw;
|
|
}
|
|
}
|
|
|
|
MultiPartInputFile::MultiPartInputFile (OPENEXR_IMF_INTERNAL_NAMESPACE::IStream& is,
|
|
int numThreads,
|
|
bool reconstructChunkOffsetTable):
|
|
_data(new Data(false, numThreads, reconstructChunkOffsetTable))
|
|
{
|
|
try
|
|
{
|
|
_data->is = &is;
|
|
initialize();
|
|
}
|
|
catch (IEX_NAMESPACE::BaseExc &e)
|
|
{
|
|
delete _data;
|
|
|
|
REPLACE_EXC (e, "Cannot read image file "
|
|
"\"" << is.fileName() << "\". " << e.what());
|
|
throw;
|
|
}
|
|
catch (...)
|
|
{
|
|
delete _data;
|
|
throw;
|
|
}
|
|
}
|
|
|
|
template<class T>
|
|
T*
|
|
MultiPartInputFile::getInputPart(int partNumber)
|
|
{
|
|
Lock lock(*_data);
|
|
if (_data->_inputFiles.find(partNumber) == _data->_inputFiles.end())
|
|
{
|
|
T* file = new T(_data->getPart(partNumber));
|
|
_data->_inputFiles.insert(std::make_pair(partNumber, (GenericInputFile*) file));
|
|
return file;
|
|
}
|
|
else return (T*) _data->_inputFiles[partNumber];
|
|
}
|
|
|
|
|
|
template InputFile* MultiPartInputFile::getInputPart<InputFile>(int);
|
|
template TiledInputFile* MultiPartInputFile::getInputPart<TiledInputFile>(int);
|
|
template DeepScanLineInputFile* MultiPartInputFile::getInputPart<DeepScanLineInputFile>(int);
|
|
template DeepTiledInputFile* MultiPartInputFile::getInputPart<DeepTiledInputFile>(int);
|
|
|
|
InputPartData*
|
|
MultiPartInputFile::getPart(int partNumber)
|
|
{
|
|
return _data->getPart(partNumber);
|
|
}
|
|
|
|
|
|
|
|
const Header &
|
|
MultiPartInputFile::header(int n) const
|
|
{
|
|
return _data->_headers[n];
|
|
}
|
|
|
|
|
|
|
|
MultiPartInputFile::~MultiPartInputFile()
|
|
{
|
|
for (map<int, GenericInputFile*>::iterator it = _data->_inputFiles.begin();
|
|
it != _data->_inputFiles.end(); it++)
|
|
{
|
|
delete it->second;
|
|
}
|
|
|
|
delete _data;
|
|
}
|
|
|
|
|
|
bool
|
|
MultiPartInputFile::Data::checkSharedAttributesValues(const Header & src,
|
|
const Header & dst,
|
|
vector<string> & conflictingAttributes) const
|
|
{
|
|
conflictingAttributes.clear();
|
|
|
|
bool conflict = false;
|
|
|
|
//
|
|
// Display Window
|
|
//
|
|
if (src.displayWindow() != dst.displayWindow())
|
|
{
|
|
conflict = true;
|
|
conflictingAttributes.push_back ("displayWindow");
|
|
}
|
|
|
|
|
|
//
|
|
// Pixel Aspect Ratio
|
|
//
|
|
if (src.pixelAspectRatio() != dst.pixelAspectRatio())
|
|
{
|
|
conflict = true;
|
|
conflictingAttributes.push_back ("pixelAspectRatio");
|
|
}
|
|
|
|
|
|
//
|
|
// Timecode
|
|
//
|
|
const TimeCodeAttribute * srcTimeCode = src.findTypedAttribute<
|
|
TimeCodeAttribute> (TimeCodeAttribute::staticTypeName());
|
|
const TimeCodeAttribute * dstTimeCode = dst.findTypedAttribute<
|
|
TimeCodeAttribute> (TimeCodeAttribute::staticTypeName());
|
|
|
|
if (dstTimeCode)
|
|
{
|
|
if ( (srcTimeCode && (srcTimeCode->value() != dstTimeCode->value())) ||
|
|
(!srcTimeCode))
|
|
{
|
|
conflict = true;
|
|
conflictingAttributes.push_back (TimeCodeAttribute::staticTypeName());
|
|
}
|
|
}
|
|
|
|
//
|
|
// Chromaticities
|
|
//
|
|
const ChromaticitiesAttribute * srcChrom = src.findTypedAttribute<
|
|
ChromaticitiesAttribute> (ChromaticitiesAttribute::staticTypeName());
|
|
const ChromaticitiesAttribute * dstChrom = dst.findTypedAttribute<
|
|
ChromaticitiesAttribute> (ChromaticitiesAttribute::staticTypeName());
|
|
|
|
if (dstChrom)
|
|
{
|
|
if ( (srcChrom && (srcChrom->value() != dstChrom->value())) ||
|
|
(!srcChrom))
|
|
{
|
|
conflict = true;
|
|
conflictingAttributes.push_back (ChromaticitiesAttribute::staticTypeName());
|
|
}
|
|
}
|
|
|
|
|
|
return conflict;
|
|
}
|
|
|
|
|
|
void
|
|
MultiPartInputFile::initialize()
|
|
{
|
|
readMagicNumberAndVersionField(*_data->is, _data->version);
|
|
|
|
bool multipart = isMultiPart(_data->version);
|
|
bool tiled = isTiled(_data->version);
|
|
|
|
//
|
|
// Multipart files don't have and shouldn't have the tiled bit set.
|
|
//
|
|
|
|
if (tiled && multipart)
|
|
throw IEX_NAMESPACE::InputExc ("Multipart files cannot have the tiled bit set");
|
|
|
|
|
|
int pos = 0;
|
|
while (true)
|
|
{
|
|
Header header;
|
|
header.readFrom(*_data->is, _data->version);
|
|
|
|
//
|
|
// If we read nothing then we stop reading.
|
|
//
|
|
|
|
if (header.readsNothing())
|
|
{
|
|
pos++;
|
|
break;
|
|
}
|
|
|
|
_data->_headers.push_back(header);
|
|
|
|
if(multipart == false)
|
|
break;
|
|
}
|
|
|
|
//
|
|
// Perform usual check on headers.
|
|
//
|
|
|
|
for (size_t i = 0; i < _data->_headers.size(); i++)
|
|
{
|
|
//
|
|
// Silently invent a type if the file is a single part regular image.
|
|
//
|
|
|
|
if( _data->_headers[i].hasType() == false )
|
|
{
|
|
if(multipart)
|
|
|
|
throw IEX_NAMESPACE::ArgExc ("Every header in a multipart file should have a type");
|
|
|
|
_data->_headers[i].setType(tiled ? TILEDIMAGE : SCANLINEIMAGE);
|
|
}
|
|
else
|
|
{
|
|
|
|
//
|
|
// Silently fix the header type if it's wrong
|
|
// (happens when a regular Image file written by EXR_2.0 is rewritten by an older library,
|
|
// so doesn't effect deep image types)
|
|
//
|
|
|
|
if(!multipart && !isNonImage(_data->version))
|
|
{
|
|
_data->_headers[i].setType(tiled ? TILEDIMAGE : SCANLINEIMAGE);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
if( _data->_headers[i].hasName() == false )
|
|
{
|
|
if(multipart)
|
|
throw IEX_NAMESPACE::ArgExc ("Every header in a multipart file should have a name");
|
|
}
|
|
|
|
if (isTiled(_data->_headers[i].type()))
|
|
_data->_headers[i].sanityCheck(true, multipart);
|
|
else
|
|
_data->_headers[i].sanityCheck(false, multipart);
|
|
}
|
|
|
|
//
|
|
// Check name uniqueness.
|
|
//
|
|
|
|
if (multipart)
|
|
{
|
|
set<string> names;
|
|
for (size_t i = 0; i < _data->_headers.size(); i++)
|
|
{
|
|
|
|
if (names.find(_data->_headers[i].name()) != names.end())
|
|
{
|
|
throw IEX_NAMESPACE::InputExc ("Header name " + _data->_headers[i].name() +
|
|
" is not a unique name.");
|
|
}
|
|
names.insert(_data->_headers[i].name());
|
|
}
|
|
}
|
|
|
|
//
|
|
// Check shared attributes compliance.
|
|
//
|
|
|
|
if (multipart && strictSharedAttribute)
|
|
{
|
|
for (size_t i = 1; i < _data->_headers.size(); i++)
|
|
{
|
|
vector <string> attrs;
|
|
if (_data->checkSharedAttributesValues (_data->_headers[0], _data->_headers[i], attrs))
|
|
{
|
|
string attrNames;
|
|
for (size_t j=0; j<attrs.size(); j++)
|
|
attrNames += " " + attrs[j];
|
|
throw IEX_NAMESPACE::InputExc ("Header name " + _data->_headers[i].name() +
|
|
" has non-conforming shared attributes: "+
|
|
attrNames);
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Create InputParts and read chunk offset tables.
|
|
//
|
|
|
|
for (size_t i = 0; i < _data->_headers.size(); i++)
|
|
_data->parts.push_back(
|
|
new InputPartData(_data, _data->_headers[i], i, _data->numThreads, _data->version));
|
|
|
|
_data->readChunkOffsetTables(_data->reconstructChunkOffsetTable);
|
|
}
|
|
|
|
TileOffsets*
|
|
MultiPartInputFile::Data::createTileOffsets(const Header& header)
|
|
{
|
|
//
|
|
// Get the dataWindow information
|
|
//
|
|
|
|
const Box2i &dataWindow = header.dataWindow();
|
|
int minX = dataWindow.min.x;
|
|
int maxX = dataWindow.max.x;
|
|
int minY = dataWindow.min.y;
|
|
int maxY = dataWindow.max.y;
|
|
|
|
//
|
|
// Precompute level and tile information
|
|
//
|
|
|
|
int* numXTiles;
|
|
int* numYTiles;
|
|
int numXLevels, numYLevels;
|
|
TileDescription tileDesc = header.tileDescription();
|
|
precalculateTileInfo (tileDesc,
|
|
minX, maxX,
|
|
minY, maxY,
|
|
numXTiles, numYTiles,
|
|
numXLevels, numYLevels);
|
|
|
|
TileOffsets* tileOffsets = new TileOffsets (tileDesc.mode,
|
|
numXLevels,
|
|
numYLevels,
|
|
numXTiles,
|
|
numYTiles);
|
|
delete [] numXTiles;
|
|
delete [] numYTiles;
|
|
|
|
return tileOffsets;
|
|
}
|
|
|
|
|
|
void
|
|
MultiPartInputFile::Data::chunkOffsetReconstruction(OPENEXR_IMF_INTERNAL_NAMESPACE::IStream& is, const vector<InputPartData*>& parts)
|
|
{
|
|
//
|
|
// Reconstruct broken chunk offset tables. Stop once we received any exception.
|
|
//
|
|
|
|
Int64 position = is.tellg();
|
|
|
|
|
|
//
|
|
// check we understand all the parts available: if not, we cannot continue
|
|
// exceptions thrown here should trickle back up to the constructor
|
|
//
|
|
|
|
for (size_t i = 0; i < parts.size(); i++)
|
|
{
|
|
Header& header=parts[i]->header;
|
|
|
|
//
|
|
// do we have a valid type entry?
|
|
// we only need them for true multipart files or single part non-image (deep) files
|
|
//
|
|
if(!header.hasType() && (isMultiPart(version) || isNonImage(version)))
|
|
{
|
|
throw IEX_NAMESPACE::ArgExc("cannot reconstruct incomplete file: part with missing type");
|
|
}
|
|
if(!isSupportedType(header.type()))
|
|
{
|
|
throw IEX_NAMESPACE::ArgExc("cannot reconstruct incomplete file: part with unknown type "+header.type());
|
|
}
|
|
}
|
|
|
|
|
|
// how many chunks should we read? We should stop when we reach the end
|
|
size_t total_chunks = 0;
|
|
|
|
// for tiled-based parts, array of (pointers to) tileOffsets objects
|
|
// to create mapping between tile coordinates and chunk table indices
|
|
|
|
|
|
vector<TileOffsets*> tileOffsets(parts.size());
|
|
|
|
// for scanline-based parts, number of scanlines in each part
|
|
vector<int> rowsizes(parts.size());
|
|
|
|
for(size_t i = 0 ; i < parts.size() ; i++)
|
|
{
|
|
total_chunks += parts[i]->chunkOffsets.size();
|
|
if (isTiled(parts[i]->header.type()))
|
|
{
|
|
tileOffsets[i] = createTileOffsets(parts[i]->header);
|
|
}else{
|
|
tileOffsets[i] = NULL;
|
|
// (TODO) fix this so that it doesn't need to be revised for future compression types.
|
|
switch(parts[i]->header.compression())
|
|
{
|
|
case DWAB_COMPRESSION :
|
|
rowsizes[i] = 256;
|
|
break;
|
|
case PIZ_COMPRESSION :
|
|
case B44_COMPRESSION :
|
|
case B44A_COMPRESSION :
|
|
case DWAA_COMPRESSION :
|
|
rowsizes[i]=32;
|
|
break;
|
|
case ZIP_COMPRESSION :
|
|
case PXR24_COMPRESSION :
|
|
rowsizes[i]=16;
|
|
break;
|
|
case ZIPS_COMPRESSION :
|
|
case RLE_COMPRESSION :
|
|
case NO_COMPRESSION :
|
|
rowsizes[i]=1;
|
|
break;
|
|
default :
|
|
throw(IEX_NAMESPACE::ArgExc("Unknown compression method in chunk offset reconstruction"));
|
|
}
|
|
}
|
|
}
|
|
|
|
try
|
|
{
|
|
|
|
//
|
|
//
|
|
//
|
|
|
|
Int64 chunk_start = position;
|
|
for (size_t i = 0; i < total_chunks ; i++)
|
|
{
|
|
//
|
|
// do we have a part number?
|
|
//
|
|
|
|
int partNumber = 0;
|
|
if(isMultiPart(version))
|
|
{
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::read <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (is, partNumber);
|
|
}
|
|
|
|
|
|
|
|
if(partNumber<0 || partNumber>int(parts.size()))
|
|
{
|
|
// bail here - bad part number
|
|
throw int();
|
|
}
|
|
|
|
Header& header = parts[partNumber]->header;
|
|
|
|
// size of chunk NOT including multipart field
|
|
|
|
Int64 size_of_chunk=0;
|
|
|
|
if (isTiled(header.type()))
|
|
{
|
|
//
|
|
//
|
|
//
|
|
int tilex,tiley,levelx,levely;
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::read <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (is, tilex);
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::read <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (is, tiley);
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::read <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (is, levelx);
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::read <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (is, levely);
|
|
|
|
//std::cout << "chunk_start for " << tilex <<',' << tiley << ',' << levelx << ' ' << levely << ':' << chunk_start << std::endl;
|
|
|
|
|
|
if(!tileOffsets[partNumber])
|
|
{
|
|
// this shouldn't actually happen - we should have allocated a valid
|
|
// tileOffsets for any part which isTiled
|
|
throw int();
|
|
|
|
}
|
|
|
|
if(!tileOffsets[partNumber]->isValidTile(tilex,tiley,levelx,levely))
|
|
{
|
|
//std::cout << "invalid tile : aborting\n";
|
|
throw int();
|
|
}
|
|
|
|
(*tileOffsets[partNumber])(tilex,tiley,levelx,levely)=chunk_start;
|
|
|
|
// compute chunk sizes - different procedure for deep tiles and regular
|
|
// ones
|
|
if(header.type()==DEEPTILE)
|
|
{
|
|
Int64 packed_offset;
|
|
Int64 packed_sample;
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::read <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (is, packed_offset);
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::read <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (is, packed_sample);
|
|
|
|
//add 40 byte header to packed sizes (tile coordinates, packed sizes, unpacked size)
|
|
size_of_chunk=packed_offset+packed_sample+40;
|
|
}
|
|
else
|
|
{
|
|
|
|
// regular image has 20 bytes of header, 4 byte chunksize;
|
|
int chunksize;
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::read <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (is, chunksize);
|
|
size_of_chunk=chunksize+20;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int y_coordinate;
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::read <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (is, y_coordinate);
|
|
|
|
y_coordinate -= header.dataWindow().min.y;
|
|
y_coordinate /= rowsizes[partNumber];
|
|
|
|
if(y_coordinate < 0 || y_coordinate >= int(parts[partNumber]->chunkOffsets.size()))
|
|
{
|
|
//std::cout << "aborting reconstruction: bad data " << y_coordinate << endl;
|
|
//bail to exception catcher: broken scanline
|
|
throw int();
|
|
}
|
|
|
|
parts[partNumber]->chunkOffsets[y_coordinate]=chunk_start;
|
|
//std::cout << "chunk_start for " << y_coordinate << ':' << chunk_start << std::endl;
|
|
|
|
if(header.type()==DEEPSCANLINE)
|
|
{
|
|
Int64 packed_offset;
|
|
Int64 packed_sample;
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::read <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (is, packed_offset);
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::read <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (is, packed_sample);
|
|
|
|
|
|
size_of_chunk=packed_offset+packed_sample+28;
|
|
}
|
|
else
|
|
{
|
|
int chunksize;
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::read <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (is, chunksize);
|
|
size_of_chunk=chunksize+8;
|
|
}
|
|
|
|
}
|
|
|
|
if(isMultiPart(version))
|
|
{
|
|
chunk_start+=4;
|
|
}
|
|
|
|
chunk_start+=size_of_chunk;
|
|
|
|
//std::cout << " next chunk +"<<size_of_chunk << " = " << chunk_start << std::endl;
|
|
|
|
is.seekg(chunk_start);
|
|
|
|
}
|
|
|
|
}
|
|
catch (...)
|
|
{
|
|
//
|
|
// Suppress all exceptions. This functions is
|
|
// called only to reconstruct the line offset
|
|
// table for incomplete files, and exceptions
|
|
// are likely.
|
|
//
|
|
}
|
|
|
|
// copy tiled part data back to chunk offsets
|
|
|
|
for(size_t partNumber=0;partNumber<parts.size();partNumber++)
|
|
{
|
|
if(tileOffsets[partNumber])
|
|
{
|
|
size_t pos=0;
|
|
vector<vector<vector <Int64> > > offsets = tileOffsets[partNumber]->getOffsets();
|
|
for (size_t l = 0; l < offsets.size(); l++)
|
|
for (size_t y = 0; y < offsets[l].size(); y++)
|
|
for (size_t x = 0; x < offsets[l][y].size(); x++)
|
|
{
|
|
parts[ partNumber ]->chunkOffsets[pos] = offsets[l][y][x];
|
|
pos++;
|
|
}
|
|
delete tileOffsets[partNumber];
|
|
}
|
|
}
|
|
|
|
is.clear();
|
|
is.seekg (position);
|
|
}
|
|
|
|
InputPartData*
|
|
MultiPartInputFile::Data::getPart(int partNumber)
|
|
{
|
|
if (partNumber < 0 || partNumber >= (int) parts.size())
|
|
throw IEX_NAMESPACE::ArgExc ("Part number is not in valid range.");
|
|
return parts[partNumber];
|
|
}
|
|
|
|
|
|
|
|
void
|
|
MultiPartInputFile::Data::readChunkOffsetTables(bool reconstructChunkOffsetTable)
|
|
{
|
|
bool brokenPartsExist = false;
|
|
|
|
for (size_t i = 0; i < parts.size(); i++)
|
|
{
|
|
int chunkOffsetTableSize = getChunkOffsetTableSize(parts[i]->header,false);
|
|
parts[i]->chunkOffsets.resize(chunkOffsetTableSize);
|
|
|
|
for (int j = 0; j < chunkOffsetTableSize; j++)
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE::Xdr::read <OPENEXR_IMF_INTERNAL_NAMESPACE::StreamIO> (*is, parts[i]->chunkOffsets[j]);
|
|
|
|
//
|
|
// Check chunk offsets, reconstruct if broken.
|
|
// At first we assume the table is complete.
|
|
//
|
|
parts[i]->completed = true;
|
|
for (int j = 0; j < chunkOffsetTableSize; j++)
|
|
{
|
|
if (parts[i]->chunkOffsets[j] <= 0)
|
|
{
|
|
brokenPartsExist = true;
|
|
parts[i]->completed = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (brokenPartsExist && reconstructChunkOffsetTable)
|
|
chunkOffsetReconstruction(*is, parts);
|
|
}
|
|
|
|
int
|
|
MultiPartInputFile::version() const
|
|
{
|
|
return _data->version;
|
|
}
|
|
|
|
bool
|
|
MultiPartInputFile::partComplete(int part) const
|
|
{
|
|
return _data->parts[part]->completed;
|
|
}
|
|
|
|
int
|
|
MultiPartInputFile::parts() const
|
|
{
|
|
return int(_data->_headers.size());
|
|
}
|
|
|
|
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE_SOURCE_EXIT
|