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This commit is contained in:
choelzl
2022-04-07 18:46:57 +02:00
parent 88cb3426ad
commit 15e7120d6d
5316 changed files with 4563444 additions and 6 deletions
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20
cs440-acg/ext/openexr/OpenEXR/IlmImfFuzzTest/CMakeLists.txt Normal file
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# yue.nicholas@gmail.com
ADD_EXECUTABLE ( IlmImfFuzzTest
fuzzFile.cpp
main.cpp
testFuzzDeepTiles.cpp
testFuzzDeepScanLines.cpp
testFuzzScanLines.cpp
testFuzzTiles.cpp
)
TARGET_LINK_LIBRARIES ( IlmImfFuzzTest
IlmImf
Half
Iex${ILMBASE_LIBSUFFIX}
Imath${ILMBASE_LIBSUFFIX}
IlmThread${ILMBASE_LIBSUFFIX}
${PTHREAD_LIB} ${ZLIB_LIBRARIES})
ADD_TEST ( TestIlmImfFuzz IlmImfFuzzTest )

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cs440-acg/ext/openexr/OpenEXR/IlmImfFuzzTest/Makefile.am Normal file
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## Process this file with automake to produce Makefile.in
if BUILD_IMFFUZZTEST
check_PROGRAMS = IlmImfFuzzTest
endif
IlmImfFuzzTest_SOURCES = fuzzFile.cpp fuzzFile.h main.cpp tmpDir.h \
testFuzzScanLines.cpp testFuzzScanLines.h \
testFuzzDeepScanLines.cpp testFuzzDeepScanLines.h \
testFuzzDeepTiles.cpp testFuzzDeepTiles.h \
testFuzzTiles.cpp testFuzzTiles.h
INCLUDES = -I$(top_builddir) \
-I$(top_srcdir)/IlmImf \
-I$(top_srcdir)/config \
@ILMBASE_CXXFLAGS@
LDADD = -L$(top_builddir)/IlmImf \
@ILMBASE_LDFLAGS@ @ILMBASE_LIBS@ \
-lIlmImf -lz
if BUILD_IMFFUZZTEST
TESTS = IlmImfFuzzTest
endif
EXTRA_DIST = CMakeLists.txt

198
cs440-acg/ext/openexr/OpenEXR/IlmImfFuzzTest/fuzzFile.cpp Normal file
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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2007, 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 <fuzzFile.h>
#include <ImfRgbaFile.h>
#include <ImfArray.h>
#include <Iex.h>
#include <half.h>
#include <iostream>
#include <fstream>
// Handle the case when the custom namespace is not exposed
#include <OpenEXRConfig.h>
using namespace OPENEXR_IMF_INTERNAL_NAMESPACE;
using namespace std;
using namespace IMATH_NAMESPACE;
namespace {
Int64
lengthOfFile (const char fileName[])
{
ifstream ifs (fileName, ios_base::binary);
if (!ifs)
return 0;
ifs.seekg (0, ios_base::end);
return ifs.tellg();
}
void
fuzzFile (const char goodFile[],
const char brokenFile[],
Int64 offset,
Int64 windowSize,
Rand48 &random,
double fuzzAmount)
{
//
// Read the input file.
//
ifstream ifs (goodFile, ios_base::binary);
if (!ifs)
THROW_ERRNO ("Cannot open file " << goodFile << " (%T).");
ifs.seekg (0, ios_base::end);
Int64 fileLength = ifs.tellg();
ifs.seekg (0, ios_base::beg);
Array<char> data (fileLength);
ifs.read (data, fileLength);
if (!ifs)
THROW_ERRNO ("Cannot read file " << goodFile << " (%T)." << endl);
//
// Damage the contents of the file by overwriting some of the bytes
// in a window of size windowSize, starting at the specified offset.
//
for (Int64 i = offset; i < offset + windowSize; ++i)
{
if (random.nextf() < fuzzAmount)
data[i] = char (random.nexti());
}
//
// Save the damaged file contents in the output file.
//
ofstream ofs (brokenFile, ios_base::binary);
if (!ofs)
THROW_ERRNO ("Cannot open file " << brokenFile << " (%T)." << endl);
ofs.write (data, fileLength);
if (!ofs)
THROW_ERRNO ("Cannot write file " << brokenFile << " (%T)." << endl);
}
} // namespace
void
fuzzFile (const char goodFile[],
const char brokenFile[],
void (*readFile) (const char[]),
int nSlidingWindow,
int nFixedWindow,
Rand48 &random)
{
//
// We want to test how resilient the IlmImf library is with respect
// to malformed OpenEXR input files. In order to do this we damage
// a good input file by overwriting parts of it with random data.
// We then call function readFile() to try and read the damaged file.
// Provided the IlmImf library works as advertised, a try/catch(...)
// block in readFile() should be able to handle all errors that could
// possibly result from reading a broken OpenEXR file. We repeat
// this damage/read cycle many times, overwriting different parts
// of the file:
//
// First we slide a window along the file. The size of the window
// is fileSize*2/nSlidingWindow bytes. In each damage/read cycle
// we overwrite up to 10% of the bytes the window, try to read the
// file, and advance the window by fileSize/nSlidingWindow bytes.
//
// Next we overwrite up to 10% of the file's first 2048 bytes and
// try to read the file. We repeat this nFixedWindow times.
//
{
Int64 fileSize = lengthOfFile (goodFile);
Int64 windowSize = fileSize * 2 / nSlidingWindow;
Int64 lastWindowOffset = fileSize - windowSize;
cout << "sliding " << windowSize << "-byte window" << endl;
for (int i = 0; i < nSlidingWindow; ++i)
{
if (i % 100 == 0)
cout << i << "\r" << flush;
Int64 offset = lastWindowOffset * i / (nSlidingWindow - 1);
double fuzzAmount = random.nextf (0.0, 0.1);
fuzzFile (goodFile, brokenFile,
offset, windowSize,
random, fuzzAmount);
readFile (brokenFile);
}
cout << nSlidingWindow << endl;
}
{
Int64 windowSize = 2048;
cout << windowSize << "-byte window at start of file" << endl;
for (int i = 0; i < nFixedWindow; ++i)
{
if (i % 100 == 0)
cout << i << "\r" << flush;
double fuzzAmount = random.nextf (0.0, 0.1);
fuzzFile (goodFile, brokenFile,
0, windowSize,
random, fuzzAmount);
readFile (brokenFile);
}
cout << nFixedWindow << endl;
}
}

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cs440-acg/ext/openexr/OpenEXR/IlmImfFuzzTest/fuzzFile.h Normal file
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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2007, 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.
//
///////////////////////////////////////////////////////////////////////////
#ifndef INCLUDED_FUZZ_FILE_H
#define INCLUDED_FUZZ_FILE_H
#include <ImathRandom.h>
void
fuzzFile (const char goodFile[],
const char brokenFile[],
void (*readFile) (const char[]),
int nSlidingWindow,
int nFixedWindow,
IMATH_NAMESPACE::Rand48 &random);
#endif

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cs440-acg/ext/openexr/OpenEXR/IlmImfFuzzTest/main.cpp Normal file
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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2007, 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 "ImfNamespace.h"
#include "testFuzzDeepScanLines.h"
#include "testFuzzDeepTiles.h"
#include "testFuzzScanLines.h"
#include "testFuzzTiles.h"
#include <stdlib.h>
#include <iostream>
#include <string.h>
#ifdef OPENEXR_IMF_HAVE_LINUX_PROCFS
#include <unistd.h>
#include <sstream>
#endif
#define TEST(x) if (argc < 2 || !strcmp (argv[1], #x)) x();
int
main (int argc, char *argv[])
{
TEST (testFuzzScanLines);
TEST (testFuzzTiles);
TEST (testFuzzDeepScanLines);
TEST (testFuzzDeepTiles);
#ifdef OPENEXR_IMF_HAVE_LINUX_PROCFS
//
// Allow the user to check for file descriptor leaks
//
std::cout << "open file descriptors:" << std::endl;
std::stringstream ss;
ss << "ls -lG /proc/" << getpid() << "/fd";
system (ss.str().c_str());
#endif
return 0;
}

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cs440-acg/ext/openexr/OpenEXR/IlmImfFuzzTest/testFuzzDeepScanLines.cpp Normal file
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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2013, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC and Weta Digital Ltd
//
// 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 "fuzzFile.h"
#include <ImfDeepScanLineOutputFile.h>
#include <ImfDeepScanLineInputFile.h>
#include <ImfDeepFrameBuffer.h>
#include <ImfPartType.h>
#include <ImfArray.h>
#include <ImfThreading.h>
#include <IlmThread.h>
#include <Iex.h>
#include <iostream>
#include <cassert>
#include <stdio.h>
#include <vector>
#include "tmpDir.h"
// Handle the case when the custom namespace is not exposed
#include <ImfNamespace.h>
#include <ImfChannelList.h>
#include <ImfMultiPartOutputFile.h>
#include <ImfDeepScanLineOutputPart.h>
#include <ImfMultiPartInputFile.h>
#include <ImfDeepScanLineInputPart.h>
namespace IMF = OPENEXR_IMF_NAMESPACE;
using namespace IMF;
using namespace std;
using namespace IMATH_NAMESPACE;
namespace
{
const int width = 90;
const int height = 80;
const int minX = 10;
const int minY = 11;
const Box2i dataWindow(V2i(minX, minY), V2i(minX + width - 1, minY + height - 1));
const Box2i displayWindow(V2i(0, 0), V2i(minX + width * 2, minY + height * 2));
Array2D<unsigned int> sampleCount;
void generateRandomFile(const char filename[], int channelCount,int parts , Compression compression)
{
cout << "generating file with " << parts << " parts and compression " << compression << flush;
vector<Header> headers(parts);
headers[0] = Header(displayWindow, dataWindow,
1,
IMATH_NAMESPACE::V2f (0, 0),
1,
INCREASING_Y,
compression);
for (int i = 0; i < channelCount; i++)
{
stringstream ss;
ss << i;
string str = ss.str();
headers[0].channels().insert(str, Channel(IMF::FLOAT));
}
headers[0].setType(DEEPSCANLINE);
headers[0].setName("bob");
for(int p=1;p<parts;p++)
{
headers[p]=headers[0];
ostringstream s;
s << p;
headers[p].setName(s.str());
}
Array<Array2D< void* > > data(channelCount);
for (int i = 0; i < channelCount; i++)
data[i].resizeErase(height, width);
sampleCount.resizeErase(height, width);
remove (filename);
MultiPartOutputFile file(filename,&headers[0],parts);
DeepFrameBuffer frameBuffer;
frameBuffer.insertSampleCountSlice (Slice (IMF::UINT, // type // 7
(char *) (&sampleCount[0][0]
- dataWindow.min.x
- dataWindow.min.y * width), // base // 8
sizeof (unsigned int) * 1, // xStride// 9
sizeof (unsigned int) * width)); // yStride// 10
for (int i = 0; i < channelCount; i++)
{
PixelType type = IMF::FLOAT;
stringstream ss;
ss << i;
string str = ss.str();
int sampleSize = sizeof (float);
int pointerSize = sizeof(char *);
frameBuffer.insert (str, // name // 6
DeepSlice (type, // type // 7
(char *) (&data[i][0][0]
- dataWindow.min.x
- dataWindow.min.y * width), // base // 8
pointerSize * 1, // xStride// 9
pointerSize * width, // yStride// 10
sampleSize)); // sampleStride
}
for(int p=0;p<parts;p++)
{
DeepScanLineOutputPart pt(file,p);
pt.setFrameBuffer(frameBuffer);
cout << "writing " << p << flush;
for (int i = 0; i < height; i++)
{
//
// Fill in data at the last minute.
//
for (int j = 0; j < width; j++)
{
sampleCount[i][j] = rand() % 4 + 1;
for (int k = 0; k < channelCount; k++)
{
data[k][i][j] = new float[sampleCount[i][j]];
for (int l = 0; l < sampleCount[i][j]; l++)
{
((float*)data[k][i][j])[l] = (i * width + j) % 2049;
}
}
}
}
pt.writePixels(height);
}
}
void readFile(const char filename[])
{
//single part interface to read file
try{
DeepScanLineInputFile file(filename, 8);
const Header& fileHeader = file.header();
int channelCount=0;
for(ChannelList::ConstIterator i=fileHeader.channels().begin();i!=fileHeader.channels().end();++i,++channelCount);
Array2D<unsigned int> localSampleCount;
localSampleCount.resizeErase(height, width);
Array<Array2D< void* > > data(channelCount);
for (int i = 0; i < channelCount; i++)
data[i].resizeErase(height, width);
DeepFrameBuffer frameBuffer;
frameBuffer.insertSampleCountSlice (Slice (IMF::UINT, // type // 7
(char *) (&localSampleCount[0][0]
- dataWindow.min.x
- dataWindow.min.y * width), // base // 8)
sizeof (unsigned int) * 1, // xStride// 9
sizeof (unsigned int) * width)); // yStride// 10
vector<int> read_channel(channelCount);
for (int i = 0; i < channelCount; i++)
{
PixelType type = IMF::FLOAT;
stringstream ss;
ss << i;
string str = ss.str();
int sampleSize = sizeof (float);
int pointerSize = sizeof (char *);
frameBuffer.insert (str,
DeepSlice (type,
(char *) (&data[i][0][0]
- dataWindow.min.x
- dataWindow.min.y * width), // base // 8)
pointerSize * 1, // xStride// 9
pointerSize * width, // yStride// 10
sampleSize)); // sampleStride
}
file.setFrameBuffer(frameBuffer);
file.readPixelSampleCounts(dataWindow.min.y, dataWindow.max.y);
for (int i = 0; i < dataWindow.max.y - dataWindow.min.y + 1; i++)
{
int y = i + dataWindow.min.y;
for (int j = 0; j < width; j++)
{
for (int k = 0; k < channelCount; k++)
{
data[k][i][j] = new float[localSampleCount[i][j]];
}
}
}
try{
file.readPixels(dataWindow.min.y, dataWindow.max.y);
}catch(...)
{
// if readPixels excepts we must clean up
}
for (int i = 0; i < height; i++)
for (int j = 0; j < width; j++)
for (int k = 0; k < channelCount; k++)
{
delete[] (float*) data[k][i][j];
}
}catch(std::exception & e)
{
/* ... yeah, that's likely to happen a lot ... */
}
try{
MultiPartInputFile file(filename, 8);
for(int p=0;p<file.parts();p++)
{
DeepScanLineInputPart inpart(file,p);
const Header& fileHeader = inpart.header();
int channelCount=0;
for(ChannelList::ConstIterator i=fileHeader.channels().begin();i!=fileHeader.channels().end();++i,++channelCount);
Array2D<unsigned int> localSampleCount;
localSampleCount.resizeErase(height, width);
Array<Array2D< void* > > data(channelCount);
for (int i = 0; i < channelCount; i++)
data[i].resizeErase(height, width);
DeepFrameBuffer frameBuffer;
frameBuffer.insertSampleCountSlice (Slice (IMF::UINT, // type // 7
(char *) (&localSampleCount[0][0]
- dataWindow.min.x
- dataWindow.min.y * width), // base // 8)
sizeof (unsigned int) * 1, // xStride// 9
sizeof (unsigned int) * width)); // yStride// 10
vector<int> read_channel(channelCount);
for (int i = 0; i < channelCount; i++)
{
PixelType type = IMF::FLOAT;
stringstream ss;
ss << i;
string str = ss.str();
int sampleSize = sizeof (float);
int pointerSize = sizeof (char *);
frameBuffer.insert (str,
DeepSlice (type,
(char *) (&data[i][0][0]
- dataWindow.min.x
- dataWindow.min.y * width), // base // 8)
pointerSize * 1, // xStride// 9
pointerSize * width, // yStride// 10
sampleSize)); // sampleStride
}
inpart.setFrameBuffer(frameBuffer);
inpart.readPixelSampleCounts(dataWindow.min.y, dataWindow.max.y);
for (int i = 0; i < dataWindow.max.y - dataWindow.min.y + 1; i++)
{
int y = i + dataWindow.min.y;
for (int j = 0; j < width; j++)
{
for (int k = 0; k < channelCount; k++)
{
data[k][i][j] = new float[localSampleCount[i][j]];
}
}
}
try{
inpart.readPixels(dataWindow.min.y, dataWindow.max.y);
}catch(...)
{
}
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{
for (int k = 0; k < channelCount; k++)
{
delete[] (float*) data[k][i][j];
}
}
}
}
}catch(...)
{
// nothing
}
}
void
fuzzDeepScanLines (int numThreads, Rand48 &random)
{
if (ILMTHREAD_NAMESPACE::supportsThreads())
{
setGlobalThreadCount (numThreads);
cout << "\nnumber of threads: " << globalThreadCount() << endl;
}
Header::setMaxImageSize (10000, 10000);
const char *goodFile = IMF_TMP_DIR "imf_test_deep_scanline_file_fuzz_good.exr";
const char *brokenFile = IMF_TMP_DIR "imf_test_deep_scanline_file_fuzz_broken.exr";
// read file if it already exists: allows re-testing reading of broken file
readFile(brokenFile);
for(int parts=1 ; parts < 3 ; parts++)
{
for(int comp_method=0;comp_method<2;comp_method++)
{
generateRandomFile(goodFile,8,parts,comp_method==0 ? NO_COMPRESSION : ZIPS_COMPRESSION);
fuzzFile (goodFile, brokenFile, readFile, 5000, 3000, random);
}
}
remove (goodFile);
remove (brokenFile);
}
} // namespace
void
testFuzzDeepScanLines ()
{
try
{
cout << "Testing deep scanline-based files "
"with randomly inserted errors" << endl;
Rand48 random (1);
fuzzDeepScanLines (0, random);
if (ILMTHREAD_NAMESPACE::supportsThreads())
fuzzDeepScanLines (2, random);
cout << "ok\n" << endl;
}
catch (const std::exception &e)
{
cerr << "ERROR -- caught exception: " << e.what() << endl;
assert (false);
}
}

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cs440-acg/ext/openexr/OpenEXR/IlmImfFuzzTest/testFuzzDeepScanLines.h Normal file
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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2013, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC and Weta Digital Ltd
//
// 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.
//
///////////////////////////////////////////////////////////////////////////
void testFuzzDeepScanLines ();

524
cs440-acg/ext/openexr/OpenEXR/IlmImfFuzzTest/testFuzzDeepTiles.cpp Normal file
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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2013, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC and Weta Digital Ltd
//
// 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 "fuzzFile.h"
#include <ImfDeepTiledOutputFile.h>
#include <ImfDeepTiledInputFile.h>
#include <ImfDeepFrameBuffer.h>
#include <ImfPartType.h>
#include <ImfArray.h>
#include <ImfThreading.h>
#include <IlmThread.h>
#include <Iex.h>
#include <iostream>
#include <cassert>
#include <stdio.h>
#include <vector>
#include <sstream>
#include "tmpDir.h"
// Handle the case when the custom namespace is not exposed
#include <ImfNamespace.h>
#include <ImfChannelList.h>
#include <ImfMultiPartInputFile.h>
#include <ImfMultiPartOutputFile.h>
#include <ImfDeepTiledOutputPart.h>
#include <ImfDeepTiledInputPart.h>
namespace IMF = OPENEXR_IMF_NAMESPACE;
using namespace IMF;
using namespace std;
using namespace IMATH_NAMESPACE;
namespace
{
const int width = 127;
const int height = 46;
const int minX = 10;
const int minY = 11;
const Box2i dataWindow(V2i(minX, minY), V2i(minX + width - 1, minY + height - 1));
const Box2i displayWindow(V2i(0, 0), V2i(minX + width * 2, minY + height * 2));
Array2D< Array2D<unsigned int> > sampleCountWhole;
Header header;
void generateRandomFile(const char filename[], int channelCount, int parts , Compression compression)
{
vector<Header> headers(parts);
cout << "generating " << flush;
headers[0] = Header(displayWindow, dataWindow,
1,
IMATH_NAMESPACE::V2f (0, 0),
1,
INCREASING_Y,
compression
);
cout << "compression " << compression << " " << flush;
for (int i = 0; i < channelCount; i++)
{
ostringstream ss;
ss << i;
string str = ss.str();
headers[0].channels().insert(str, Channel(IMF::FLOAT));
}
headers[0].setType(DEEPTILE);
headers[0].setTileDescription( TileDescription(rand() % width + 1, rand() % height + 1, RIPMAP_LEVELS));
headers[0].setName("bob");
for(int p=1;p<parts;p++)
{
headers[p]=headers[0];
ostringstream s;
s << p;
headers[p].setName(s.str());
}
Array<Array2D< void* > > data(channelCount);
for (int i = 0; i < channelCount; i++)
{
data[i].resizeErase(height, width);
}
Array2D<unsigned int> sampleCount;
sampleCount.resizeErase(height, width);
remove (filename);
MultiPartOutputFile file(filename, &headers[0], parts);
DeepTiledOutputPart part(file,0);
cout << "tileSizeX " << part.tileXSize() << " tileSizeY " << part.tileYSize() << " ";
sampleCountWhole.resizeErase(part.numYLevels(), part.numXLevels());
for (int i = 0; i < sampleCountWhole.height(); i++)
{
for (int j = 0; j < sampleCountWhole.width(); j++)
{
sampleCountWhole[i][j].resizeErase(height, width);
}
}
DeepFrameBuffer frameBuffer;
int memOffset = dataWindow.min.x + dataWindow.min.y * width;
frameBuffer.insertSampleCountSlice (Slice (IMF::UINT,
(char *) (&sampleCount[0][0] - memOffset),
sizeof (unsigned int) * 1,
sizeof (unsigned int) * width) );
for (int i = 0; i < channelCount; i++)
{
stringstream ss;
ss << i;
string str = ss.str();
int sampleSize = sizeof (float);
int pointerSize = sizeof (char *);
frameBuffer.insert (str,
DeepSlice (IMF::FLOAT,
(char *) (&data[i][0][0] - memOffset),
pointerSize * 1,
pointerSize * width,
sampleSize));
}
for(int part=0;part<parts;part++)
{
DeepTiledOutputPart p(file,part);
p.setFrameBuffer(frameBuffer);
cout << "writing " << flush;
for (int ly = 0; ly < p.numYLevels(); ly++)
{
for (int lx = 0; lx < p.numXLevels(); lx++)
{
Box2i dataWindowL = p.dataWindowForLevel(lx, ly);
for (int j = 0; j < p.numYTiles(ly); j++)
{
for (int i = 0; i < p.numXTiles(lx); i++)
{
Box2i box = p.dataWindowForTile(i, j, lx, ly);
for (int y = box.min.y; y <= box.max.y; y++)
{
for (int x = box.min.x; x <= box.max.x; x++)
{
int dwy = y - dataWindowL.min.y;
int dwx = x - dataWindowL.min.x;
sampleCount[dwy][dwx] = rand() % 5 + 1;
sampleCountWhole[ly][lx][dwy][dwx] = sampleCount[dwy][dwx];
for (int k = 0; k < channelCount; k++)
{
data[k][dwy][dwx] = new float[sampleCount[dwy][dwx]];
for (int l = 0; l < sampleCount[dwy][dwx]; l++)
{
((float*)data[k][dwy][dwx])[l] = (dwy * width + dwx) % 2049;
}
}
}
}
}
}
p.writeTiles(0, p.numXTiles(lx) - 1, 0, p.numYTiles(ly) - 1, lx, ly);
for(int k=0;k<data.size();k++)
{
for(int y=0;y<data[k].height();y++)
{
for(int x=0;x<data[k].width();x++)
{
delete data[k][y][x];
data[k][y][x]=0;
}
}
}
}// next level
}//next level
}//next part
}
void readFile(const char filename[])
{
try
{
DeepTiledInputFile file(filename, 8);
const Header& fileHeader = file.header();
Array2D<unsigned int> localSampleCount;
Box2i dataWindow = fileHeader.dataWindow();
int height = dataWindow.size().y+1;
int width = dataWindow.size().x+1;
localSampleCount.resizeErase(height, width);
int channelCount=0;
for(ChannelList::ConstIterator i=fileHeader.channels().begin();i!=fileHeader.channels().end();++i, channelCount++);
Array<Array2D< void* > > data(channelCount);
for (int i = 0; i < channelCount; i++)
{
data[i].resizeErase(height, width);
}
DeepFrameBuffer frameBuffer;
int memOffset = dataWindow.min.x + dataWindow.min.y * width;
frameBuffer.insertSampleCountSlice (Slice (IMF::UINT,
(char *) (&localSampleCount[0][0] - memOffset),
sizeof (unsigned int) * 1,
sizeof (unsigned int) * width)
);
for (int i = 0; i < channelCount; i++)
{
stringstream ss;
ss << i;
string str = ss.str();
int sampleSize = sizeof (float);
int pointerSize = sizeof (char *);
frameBuffer.insert (str,
DeepSlice (IMF::FLOAT,
(char *) (&data[i][0][0] - memOffset),
pointerSize * 1,
pointerSize * width,
sampleSize) );
}
file.setFrameBuffer(frameBuffer);
for (int ly = 0; ly < file.numYLevels(); ly++)
{
for (int lx = 0; lx < file.numXLevels(); lx++)
{
Box2i dataWindowL = file.dataWindowForLevel(lx, ly);
file.readPixelSampleCounts(0, file.numXTiles(lx) - 1, 0, file.numYTiles(ly) - 1, lx, ly);
for (int i = 0; i < file.numYTiles(ly); i++)
{
for (int j = 0; j < file.numXTiles(lx); j++)
{
Box2i box = file.dataWindowForTile(j, i, lx, ly);
for (int y = box.min.y; y <= box.max.y; y++)
for (int x = box.min.x; x <= box.max.x; x++)
{
int dwy = y - dataWindowL.min.y;
int dwx = x - dataWindowL.min.x;
for (int k = 0; k < channelCount; k++)
{
data[k][dwy][dwx] = new float[localSampleCount[dwy][dwx]];
}
}
}
}
try{
file.readTiles(0, file.numXTiles(lx) - 1, 0, file.numYTiles(ly) - 1, lx, ly);
}catch(...)
{
// catch exceptions thrown by readTiles, clean up anyway
}
for (int i = 0; i < file.levelHeight(ly); i++)
{
for (int j = 0; j < file.levelWidth(lx); j++)
{
for (int k = 0; k < channelCount; k++)
{
delete[] (float*) data[k][i][j];
}
}
}
}
}
}catch(std::exception & e)
{
/* expect to get exceptions*/
}
// test multipart inputfile interface
try
{
MultiPartInputFile file(filename, 8);
for(int p=0;p<file.parts();p++)
{
DeepTiledInputPart part(file,p);
const Header& fileHeader = part.header();
Array2D<unsigned int> localSampleCount;
Box2i dataWindow = fileHeader.dataWindow();
int height = dataWindow.size().y+1;
int width = dataWindow.size().x+1;
localSampleCount.resizeErase(height, width);
int channelCount=0;
for(ChannelList::ConstIterator i=fileHeader.channels().begin();i!=fileHeader.channels().end();++i, channelCount++);
Array<Array2D< void* > > data(channelCount);
for (int i = 0; i < channelCount; i++)
{
data[i].resizeErase(height, width);
}
DeepFrameBuffer frameBuffer;
int memOffset = dataWindow.min.x + dataWindow.min.y * width;
frameBuffer.insertSampleCountSlice (Slice (IMF::UINT,
(char *) (&localSampleCount[0][0] - memOffset),
sizeof (unsigned int) * 1,
sizeof (unsigned int) * width)
);
for (int i = 0; i < channelCount; i++)
{
stringstream ss;
ss << i;
string str = ss.str();
int sampleSize = sizeof (float);
int pointerSize = sizeof (char *);
frameBuffer.insert (str,
DeepSlice (IMF::FLOAT,
(char *) (&data[i][0][0] - memOffset),
pointerSize * 1,
pointerSize * width,
sampleSize) );
}
part.setFrameBuffer(frameBuffer);
for (int ly = 0; ly < part.numYLevels(); ly++)
{
for (int lx = 0; lx < part.numXLevels(); lx++)
{
Box2i dataWindowL = part.dataWindowForLevel(lx, ly);
part.readPixelSampleCounts(0, part.numXTiles(lx) - 1, 0, part.numYTiles(ly) - 1, lx, ly);
for (int i = 0; i < part.numYTiles(ly); i++)
{
for (int j = 0; j < part.numXTiles(lx); j++)
{
Box2i box = part.dataWindowForTile(j, i, lx, ly);
for (int y = box.min.y; y <= box.max.y; y++)
for (int x = box.min.x; x <= box.max.x; x++)
{
int dwy = y - dataWindowL.min.y;
int dwx = x - dataWindowL.min.x;
for (int k = 0; k < channelCount; k++)
{
data[k][dwy][dwx] = new float[localSampleCount[dwy][dwx]];
}
}
}
}
try{
part.readTiles(0, part.numXTiles(lx) - 1, 0, part.numYTiles(ly) - 1, lx, ly);
}catch(...)
{
}
for (int i = 0; i < part.levelHeight(ly); i++)
{
for (int j = 0; j < part.levelWidth(lx); j++)
{
for (int k = 0; k < channelCount; k++)
{
delete[] (float*) data[k][i][j];
}
}
}
}
}
}
}catch(std::exception & e)
{
/* expect to get exceptions*/
}
}
void
fuzzDeepTiles (int numThreads, Rand48 &random)
{
if (ILMTHREAD_NAMESPACE::supportsThreads())
{
setGlobalThreadCount (numThreads);
cout << "\nnumber of threads: " << globalThreadCount() << endl;
}
Header::setMaxImageSize (10000, 10000);
const char *goodFile = IMF_TMP_DIR "imf_test_deep_tile_file_fuzz_good.exr";
const char *brokenFile = IMF_TMP_DIR "imf_test_deel_tile_file_fuzz_broken.exr";
// read file if it already exists: allows re-testing reading of broken file
readFile(brokenFile);
for(int parts=1;parts<3;parts++)
{
for(int comp_method=0;comp_method<2;comp_method++)
{
generateRandomFile(goodFile,8,parts , comp_method==0 ? NO_COMPRESSION : ZIPS_COMPRESSION);
fuzzFile (goodFile, brokenFile, readFile, 5000, 3000, random);
}
}
remove (goodFile);
remove (brokenFile);
}
} // namespace
void
testFuzzDeepTiles ()
{
try
{
cout << "Testing deep tile-based files "
"with randomly inserted errors" << endl;
Rand48 random (1);
fuzzDeepTiles (0, random);
if (ILMTHREAD_NAMESPACE::supportsThreads())
fuzzDeepTiles (2, random);
cout << "ok\n" << endl;
}
catch (const std::exception &e)
{
cerr << "ERROR -- caught exception: " << e.what() << endl;
assert (false);
}
}

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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2013, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC and Weta Digital Ltd
//
// 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.
//
///////////////////////////////////////////////////////////////////////////
void testFuzzDeepTiles ();

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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2007, 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 <ImfMultiPartOutputFile.h>
#include <ImfMultiPartInputFile.h>
#include <ImfPartType.h>
#include <ImfOutputPart.h>
#include <ImfInputPart.h>
#include <ImfRgbaFile.h>
#include <ImfArray.h>
#include <ImfThreading.h>
#include <IlmThread.h>
#include <Iex.h>
#include <iostream>
#include <cassert>
#include <stdio.h>
#include <vector>
#include "tmpDir.h"
#include "fuzzFile.h"
// Handle the case when the custom namespace is not exposed
#include <OpenEXRConfig.h>
#include <ImfChannelList.h>
using namespace OPENEXR_IMF_INTERNAL_NAMESPACE;
using namespace std;
using namespace IMATH_NAMESPACE;
namespace {
void
fillPixels (Array2D<Rgba> &pixels, int w, int h)
{
for (int y = 0; y < h; ++y)
{
for (int x = 0; x < w; ++x)
{
Rgba &p = pixels[y][x];
p.r = 0.5 + 0.5 * sin (0.1 * x + 0.1 * y);
p.g = 0.5 + 0.5 * sin (0.1 * x + 0.2 * y);
p.b = 0.5 + 0.5 * sin (0.1 * x + 0.3 * y);
p.a = (p.r + p.b + p.g) / 3.0;
}
}
}
void
writeImage (const char fileName[],
int width,
int height,
const Array2D<Rgba> &pixels,
int parts,
Compression comp)
{
//
// Save the image with the specified compression.
//
cout << parts << " parts with compression: " << comp << endl;
Header header (width, height);
header.compression() = comp;
if(parts==1)
{
RgbaOutputFile out (fileName, header, WRITE_RGBA);
out.setFrameBuffer (&pixels[0][0], 1, width);
out.writePixels (height);
}else{
header.setType(SCANLINEIMAGE);
header.channels().insert("R",Channel(HALF));
header.channels().insert("G",Channel(HALF));
header.channels().insert("B",Channel(HALF));
header.channels().insert("A",Channel(HALF));
vector<Header> headers(parts);
for(int i=0;i<parts;i++)
{
headers[i]=header;
ostringstream s;
s << i;
headers[i].setName(s.str());
}
MultiPartOutputFile out(fileName,&headers[0],parts);
FrameBuffer f;
f.insert("R",Slice(HALF,(char *) &(pixels[0][0].r),sizeof(Rgba),width*sizeof(Rgba)));
f.insert("G",Slice(HALF,(char *) &(pixels[0][0].g),sizeof(Rgba),width*sizeof(Rgba)));
f.insert("B",Slice(HALF,(char *) &(pixels[0][0].b),sizeof(Rgba),width*sizeof(Rgba)));
f.insert("A",Slice(HALF,(char *) &(pixels[0][0].a),sizeof(Rgba),width*sizeof(Rgba)));
for(int i=0;i<parts;i++)
{
OutputPart(out,i).setFrameBuffer(f);
OutputPart(out,i).writePixels(height);
}
}
}
void
readImage (const char fileName[])
{
//
// Try to read the specified file.
// Reading should either succeed or throw an exception,
// but it should not crash for any reason.
//
try
{
// first , test Rgba interface
RgbaInputFile in (fileName);
const Box2i &dw = in.dataWindow();
int w = dw.max.x - dw.min.x + 1;
int dx = dw.min.x;
if (w > (1 << 24))
return;
Array<Rgba> pixels (w);
in.setFrameBuffer (&pixels[-dx], 1, 0);
for (int y = dw.min.y; y <= dw.max.y; ++y)
in.readPixels (y);
}catch(...)
{
// expect exceptions
}
try{
// now test Multipart interface (even for single part files)
MultiPartInputFile file(fileName);
for(int p=0;p<file.parts();p++)
{
InputPart in(file,p);
const Box2i &dw = in.header().dataWindow();
int w = dw.max.x - dw.min.x + 1;
int dx = dw.min.x;
if (w > (1 << 24))
return;
Array<Rgba> pixels (w);
FrameBuffer i;
i.insert("R",Slice(HALF,(char *)&(pixels[-dx].r),sizeof(Rgba),0));
i.insert("G",Slice(HALF,(char *)&(pixels[-dx].g),sizeof(Rgba),0));
i.insert("B",Slice(HALF,(char *)&(pixels[-dx].b),sizeof(Rgba),0));
i.insert("A",Slice(HALF,(char *)&(pixels[-dx].a),sizeof(Rgba),0));
in.setFrameBuffer (i);
for (int y = dw.min.y; y <= dw.max.y; ++y)
in.readPixels (y);
}
}
catch (...)
{
// empty
}
}
void
fuzzScanLines (int numThreads, Rand48 &random)
{
if (ILMTHREAD_NAMESPACE::supportsThreads())
{
setGlobalThreadCount (numThreads);
cout << "\nnumber of threads: " << globalThreadCount() << endl;
}
Header::setMaxImageSize (10000, 10000);
const int W = 217;
const int H = 197;
Array2D<Rgba> pixels (H, W);
fillPixels (pixels, W, H);
const char *goodFile = IMF_TMP_DIR "imf_test_scanline_file_fuzz_good.exr";
const char *brokenFile = IMF_TMP_DIR "imf_test_scanline_file_fuzz_broken.exr";
// re-attempt to read broken file if it still remains on disk from previous aborted run
readImage(brokenFile);
for (int parts = 1 ; parts<4 ; ++parts)
{
for (int comp = 0; comp < NUM_COMPRESSION_METHODS; ++comp)
{
writeImage (goodFile, W, H, pixels, parts,Compression (comp));
fuzzFile (goodFile, brokenFile, readImage, 5000, 3000, random);
}
}
remove (goodFile);
remove (brokenFile);
}
} // namespace
void
testFuzzScanLines ()
{
try
{
cout << "Testing scanline-based files "
"with randomly inserted errors" << endl;
Rand48 random (1);
fuzzScanLines (0, random);
if (ILMTHREAD_NAMESPACE::supportsThreads())
fuzzScanLines (2, random);
cout << "ok\n" << endl;
}
catch (const std::exception &e)
{
cerr << "ERROR -- caught exception: " << e.what() << endl;
assert (false);
}
}

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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2007, 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.
//
///////////////////////////////////////////////////////////////////////////
void testFuzzScanLines ();

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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2007, 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 <tmpDir.h>
#include <fuzzFile.h>
#include <ImfTiledRgbaFile.h>
#include <ImfArray.h>
#include <ImfThreading.h>
#include <IlmThread.h>
#include <Iex.h>
#include <iostream>
#include <cassert>
#include <stdio.h>
#include <vector>
// Handle the case when the custom namespace is not exposed
#include <OpenEXRConfig.h>
#include <ImfPartType.h>
#include <ImfMultiPartOutputFile.h>
#include <ImfTiledOutputPart.h>
#include <ImfMultiPartInputFile.h>
#include <ImfTiledInputPart.h>
#include <ImfChannelList.h>
using namespace OPENEXR_IMF_INTERNAL_NAMESPACE;
using namespace std;
using namespace IMATH_NAMESPACE;
namespace {
void
fillPixels (Array2D<Rgba> &pixels, int w, int h)
{
for (int y = 0; y < h; ++y)
{
for (int x = 0; x < w; ++x)
{
Rgba &p = pixels[y][x];
p.r = 0.5 + 0.5 * sin (0.1 * x + 0.1 * y);
p.g = 0.5 + 0.5 * sin (0.1 * x + 0.2 * y);
p.b = 0.5 + 0.5 * sin (0.1 * x + 0.3 * y);
p.a = (p.r + p.b + p.g) / 3.0;
}
}
}
void
writeImageONE (const char fileName[],
int width, int height,
int xSize, int ySize,
int parts,
Compression comp)
{
cout << "levelMode 0" << ", compression " << comp << " parts " << parts << endl;
Header header (width, height);
header.lineOrder() = INCREASING_Y;
header.compression() = comp;
Array2D<Rgba> pixels (height, width);
fillPixels (pixels, width, height);
if(parts==1)
{
TiledRgbaOutputFile out (fileName, header, WRITE_RGBA,
xSize, ySize, ONE_LEVEL);
out.setFrameBuffer (&pixels[0][0], 1, width);
out.writeTiles (0, out.numXTiles() - 1, 0, out.numYTiles() - 1);
}else{
header.setTileDescription(TileDescription(xSize,ySize,ONE_LEVEL));
header.setType(TILEDIMAGE);
header.channels().insert("R",Channel(HALF));
header.channels().insert("G",Channel(HALF));
header.channels().insert("B",Channel(HALF));
header.channels().insert("A",Channel(HALF));
FrameBuffer f;
f.insert("R",Slice(HALF,(char *) &(pixels[0][0].r),sizeof(Rgba),width*sizeof(Rgba)));
f.insert("G",Slice(HALF,(char *) &(pixels[0][0].g),sizeof(Rgba),width*sizeof(Rgba)));
f.insert("B",Slice(HALF,(char *) &(pixels[0][0].b),sizeof(Rgba),width*sizeof(Rgba)));
f.insert("A",Slice(HALF,(char *) &(pixels[0][0].a),sizeof(Rgba),width*sizeof(Rgba)));
vector<Header> headers(parts);
for(int p=0;p<parts;p++)
{
headers[p]=header;
ostringstream o;
o << p;
headers[p].setName(o.str());
}
MultiPartOutputFile file(fileName,&headers[0],headers.size());
for(int p=0;p<parts;p++)
{
TiledOutputPart out(file,p);
out.setFrameBuffer(f);
out.writeTiles (0, out.numXTiles() - 1, 0, out.numYTiles() - 1);
}
}
}
void
readImageONE (const char fileName[])
{
//
// Try to read the specified one-level file, which may be damaged.
// Reading should either succeed or throw an exception, but it
// should not cause a crash.
//
// attempt TiledRgbaInputFile interface
try
{
TiledRgbaInputFile in (fileName);
const Box2i &dw = in.dataWindow();
int w = dw.max.x - dw.min.x + 1;
int h = dw.max.y - dw.min.y + 1;
int dwx = dw.min.x;
int dwy = dw.min.y;
Array2D<Rgba> pixels (h, w);
in.setFrameBuffer (&pixels[-dwy][-dwx], 1, w);
in.readTiles (0, in.numXTiles() - 1, 0, in.numYTiles() - 1);
}
catch (...)
{
// empty
}
try
{
// attempt MultiPart interface
MultiPartInputFile in(fileName);
for(int p=0;p<in.parts();p++)
{
TiledInputPart inpart(in,p);
const Box2i &dw = inpart.header().dataWindow();
int w = dw.max.x - dw.min.x + 1;
int h = dw.max.y - dw.min.y + 1;
int dwx = dw.min.x;
int dwy = dw.min.y;
Array2D<Rgba> pixels (h, w);
FrameBuffer i;
i.insert("R",Slice(HALF,(char *)&(pixels[-dwy][-dwx].r),sizeof(Rgba),w*sizeof(Rgba)));
i.insert("G",Slice(HALF,(char *)&(pixels[-dwy][-dwx].g),sizeof(Rgba),w*sizeof(Rgba)));
i.insert("B",Slice(HALF,(char *)&(pixels[-dwy][-dwx].b),sizeof(Rgba),w*sizeof(Rgba)));
i.insert("A",Slice(HALF,(char *)&(pixels[-dwy][-dwx].a),sizeof(Rgba),w*sizeof(Rgba)));
inpart.setFrameBuffer (i);
inpart.readTiles (0, inpart.numXTiles() - 1, 0, inpart.numYTiles() - 1);
}
}
catch (...)
{
// empty
}
}
void
writeImageMIP (const char fileName[],
int width, int height,
int xSize, int ySize,
int parts, ///\todo support multipart MIP files
Compression comp)
{
cout << "levelMode 1" << ", compression " << comp << endl;
Header header (width, height);
header.lineOrder() = INCREASING_Y;
header.compression() = comp;
Array < Array2D<Rgba> > levels;
TiledRgbaOutputFile out (fileName, header, WRITE_RGBA,
xSize, ySize, MIPMAP_LEVELS, ROUND_DOWN);
int numLevels = out.numLevels();
levels.resizeErase (numLevels);
for (int level = 0; level < out.numLevels(); ++level)
{
int levelWidth = out.levelWidth(level);
int levelHeight = out.levelHeight(level);
levels[level].resizeErase(levelHeight, levelWidth);
fillPixels (levels[level], levelWidth, levelHeight);
out.setFrameBuffer (&(levels[level])[0][0], 1, levelWidth);
out.writeTiles (0, out.numXTiles(level) - 1,
0, out.numYTiles(level) - 1, level);
}
}
void
readImageMIP (const char fileName[])
{
//
// Try to read the specified mipmap file, which may be damaged.
// Reading should either succeed or throw an exception, but it
// should not cause a crash.
//
try
{
TiledRgbaInputFile in (fileName);
const Box2i &dw = in.dataWindow();
int dwx = dw.min.x;
int dwy = dw.min.y;
int numLevels = in.numLevels();
Array < Array2D<Rgba> > levels2 (numLevels);
for (int level = 0; level < numLevels; ++level)
{
int levelWidth = in.levelWidth(level);
int levelHeight = in.levelHeight(level);
levels2[level].resizeErase(levelHeight, levelWidth);
in.setFrameBuffer (&(levels2[level])[-dwy][-dwx], 1, levelWidth);
in.readTiles (0, in.numXTiles(level) - 1,
0, in.numYTiles(level) - 1, level);
}
}
catch (...)
{
// empty
}
}
void
writeImageRIP (const char fileName[],
int width, int height,
int xSize, int ySize,
int parts, ///\todo support multipart RIP files
Compression comp)
{
cout << "levelMode 2" << ", compression " << comp << endl;
Header header (width, height);
header.lineOrder() = INCREASING_Y;
header.compression() = comp;
Array2D < Array2D<Rgba> > levels;
TiledRgbaOutputFile out (fileName, header, WRITE_RGBA,
xSize, ySize, RIPMAP_LEVELS, ROUND_UP);
levels.resizeErase (out.numYLevels(), out.numXLevels());
for (int ylevel = 0; ylevel < out.numYLevels(); ++ylevel)
{
for (int xlevel = 0; xlevel < out.numXLevels(); ++xlevel)
{
int levelWidth = out.levelWidth(xlevel);
int levelHeight = out.levelHeight(ylevel);
levels[ylevel][xlevel].resizeErase(levelHeight, levelWidth);
fillPixels (levels[ylevel][xlevel], levelWidth, levelHeight);
out.setFrameBuffer (&(levels[ylevel][xlevel])[0][0], 1,
levelWidth);
out.writeTiles (0, out.numXTiles(xlevel) - 1,
0, out.numYTiles(ylevel) - 1, xlevel, ylevel);
}
}
}
void
readImageRIP (const char fileName[])
{
//
// Try to read the specified ripmap file, which may be damaged.
// Reading should either succeed or throw an exception, but it
// should not cause a crash.
//
try
{
TiledRgbaInputFile in (fileName);
const Box2i &dw = in.dataWindow();
int dwx = dw.min.x;
int dwy = dw.min.y;
int numXLevels = in.numXLevels();
int numYLevels = in.numYLevels();
Array2D < Array2D<Rgba> > levels2 (numYLevels, numXLevels);
for (int ylevel = 0; ylevel < numYLevels; ++ylevel)
{
for (int xlevel = 0; xlevel < numXLevels; ++xlevel)
{
int levelWidth = in.levelWidth(xlevel);
int levelHeight = in.levelHeight(ylevel);
levels2[ylevel][xlevel].resizeErase(levelHeight, levelWidth);
in.setFrameBuffer (&(levels2[ylevel][xlevel])[-dwy][-dwx], 1,
levelWidth);
in.readTiles (0, in.numXTiles(xlevel) - 1,
0, in.numYTiles(ylevel) - 1, xlevel, ylevel);
}
}
}
catch (...)
{
// empty
}
}
void
fuzzTiles (int numThreads, Rand48 &random)
{
if (ILMTHREAD_NAMESPACE::supportsThreads())
{
setGlobalThreadCount (numThreads);
cout << "\nnumber of threads: " << globalThreadCount() << endl;
}
Header::setMaxImageSize (10000, 10000);
Header::setMaxTileSize (10000, 10000);
const int W = 217;
const int H = 197;
const int TW = 64;
const int TH = 64;
const char *goodFile = IMF_TMP_DIR "imf_test_tile_file_fuzz_good.exr";
const char *brokenFile = IMF_TMP_DIR "imf_test_tile_file_fuzz_broken.exr";
for (int parts = 1 ; parts < 3 ; parts++)
{
for (int comp = 0; comp < NUM_COMPRESSION_METHODS; ++comp)
{
writeImageONE (goodFile, W, H, TW, TH, parts , Compression (comp));
fuzzFile (goodFile, brokenFile, readImageONE, 5000, 3000, random);
if(parts==1)
{
writeImageMIP (goodFile, W, H, TW, TH, parts , Compression (comp));
fuzzFile (goodFile, brokenFile, readImageMIP, 5000, 3000, random);
writeImageRIP (goodFile, W, H, TW, TH, parts , Compression (comp));
fuzzFile (goodFile, brokenFile, readImageRIP, 5000, 3000, random);
}
}
}
remove (goodFile);
remove (brokenFile);
}
} // namespace
void
testFuzzTiles ()
{
try
{
cout << "Testing tile-based files "
"with randomly inserted errors" << endl;
Rand48 random (5);
fuzzTiles (0, random);
if (ILMTHREAD_NAMESPACE::supportsThreads())
fuzzTiles (2, random);
cout << "ok\n" << endl;
}
catch (const std::exception &e)
{
cerr << "ERROR -- caught exception: " << e.what() << endl;
assert (false);
}
}

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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2007, 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.
//
///////////////////////////////////////////////////////////////////////////
void testFuzzTiles ();

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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2007, 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.
//
///////////////////////////////////////////////////////////////////////////
#if defined(_WIN32) || defined(_WIN64) || defined(__MWERKS__) || defined(__ANDROID__)
#define IMF_TMP_DIR ""
#else
#define IMF_TMP_DIR "/var/tmp/"
#endif