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Merge pull request #2323 from stuart8c:issue2601_2.4_fix_16bit_tiff_reading_on_big_endian_host

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Roman Donchenko 2014-02-14 15:37:09 +04:00 committed by OpenCV Buildbot
commit fa272c43c2
5 changed files with 68 additions and 19 deletions
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12
3rdparty/libtiff/tif_config.h.cmakein vendored
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@ -54,7 +54,7 @@
/* Native cpu byte order: 1 if big-endian (Motorola) or 0 if little-endian
(Intel) */
#define HOST_BIGENDIAN 0
#define HOST_BIGENDIAN @WORDS_BIGENDIAN@
/* Set the native cpu bit order (FILLORDER_LSB2MSB or FILLORDER_MSB2LSB) */
#define HOST_FILLORDER FILLORDER_LSB2MSB
@ -156,15 +156,7 @@
/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
significant byte first (like Motorola and SPARC, unlike Intel). */
#if defined AC_APPLE_UNIVERSAL_BUILD
# if defined __BIG_ENDIAN__
# define WORDS_BIGENDIAN 1
# endif
#else
# ifndef WORDS_BIGENDIAN
/* # undef WORDS_BIGENDIAN */
# endif
#endif
#cmakedefine WORDS_BIGENDIAN 1
/* Support Deflate compression */
#define ZIP_SUPPORT 1

6
CMakeLists.txt
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@ -444,6 +444,12 @@ endif()
include(cmake/OpenCVPCHSupport.cmake)
include(cmake/OpenCVModule.cmake)
# ----------------------------------------------------------------------------
# Detect endianness of build platform
# ----------------------------------------------------------------------------
include(TestBigEndian)
test_big_endian(WORDS_BIGENDIAN)
# ----------------------------------------------------------------------------
# Detect 3rd-party libraries
# ----------------------------------------------------------------------------

2
cmake/templates/cvconfig.h.in
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@ -161,6 +161,6 @@
/* Xine video library */
#cmakedefine HAVE_XINE
/* Define to 1 if your processor stores words with the most significant byte
/* Define if your processor stores words with the most significant byte
first (like Motorola and SPARC, unlike Intel and VAX). */
#cmakedefine WORDS_BIGENDIAN

15
modules/highgui/src/grfmt_tiff.cpp
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@ -111,18 +111,21 @@ bool TiffDecoder::readHeader()
bool result = false;
close();
TIFF* tif = TIFFOpen( m_filename.c_str(), "rb" );
// TIFFOpen() mode flags are different to fopen(). A 'b' in mode "rb" has no effect when reading.
// http://www.remotesensing.org/libtiff/man/TIFFOpen.3tiff.html
TIFF* tif = TIFFOpen( m_filename.c_str(), "r" );
if( tif )
{
int wdth = 0, hght = 0, photometric = 0;
uint32 wdth = 0, hght = 0;
uint16 photometric = 0;
m_tif = tif;
if( TIFFGetField( tif, TIFFTAG_IMAGEWIDTH, &wdth ) &&
TIFFGetField( tif, TIFFTAG_IMAGELENGTH, &hght ) &&
TIFFGetField( tif, TIFFTAG_PHOTOMETRIC, &photometric ))
{
int bpp=8, ncn = photometric > 1 ? 3 : 1;
uint16 bpp=8, ncn = photometric > 1 ? 3 : 1;
TIFFGetField( tif, TIFFTAG_BITSPERSAMPLE, &bpp );
TIFFGetField( tif, TIFFTAG_SAMPLESPERPIXEL, &ncn );
@ -175,12 +178,12 @@ bool TiffDecoder::readData( Mat& img )
if( m_tif && m_width && m_height )
{
TIFF* tif = (TIFF*)m_tif;
int tile_width0 = m_width, tile_height0 = 0;
uint32 tile_width0 = m_width, tile_height0 = 0;
int x, y, i;
int is_tiled = TIFFIsTiled(tif);
int photometric;
uint16 photometric;
TIFFGetField( tif, TIFFTAG_PHOTOMETRIC, &photometric );
int bpp = 8, ncn = photometric > 1 ? 3 : 1;
uint16 bpp = 8, ncn = photometric > 1 ? 3 : 1;
TIFFGetField( tif, TIFFTAG_BITSPERSAMPLE, &bpp );
TIFFGetField( tif, TIFFTAG_SAMPLESPERPIXEL, &ncn );
const int bitsPerByte = 8;

52
modules/highgui/test/test_grfmt.cpp
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@ -408,8 +408,8 @@ TEST(Highgui_Tiff, decode_tile16384x16384)
try
{
cv::imread(file3);
EXPECT_NO_THROW(cv::imread(file4));
cv::imread(file3, CV_LOAD_IMAGE_UNCHANGED);
EXPECT_NO_THROW(cv::imread(file4, CV_LOAD_IMAGE_UNCHANGED));
}
catch(const std::bad_alloc&)
{
@ -419,4 +419,52 @@ TEST(Highgui_Tiff, decode_tile16384x16384)
remove(file3.c_str());
remove(file4.c_str());
}
TEST(Highgui_Tiff, write_read_16bit_big_little_endian)
{
// see issue #2601 "16-bit Grayscale TIFF Load Failures Due to Buffer Underflow and Endianness"
// Setup data for two minimal 16-bit grayscale TIFF files in both endian formats
uchar tiff_sample_data[2][86] = { {
// Little endian
0x49, 0x49, 0x2a, 0x00, 0x0c, 0x00, 0x00, 0x00, 0xad, 0xde, 0xef, 0xbe, 0x06, 0x00, 0x00, 0x01,
0x03, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x01, 0x03, 0x00, 0x01, 0x00,
0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02, 0x01, 0x03, 0x00, 0x01, 0x00, 0x00, 0x00, 0x10, 0x00,
0x00, 0x00, 0x06, 0x01, 0x03, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x11, 0x01,
0x04, 0x00, 0x01, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x17, 0x01, 0x04, 0x00, 0x01, 0x00,
0x00, 0x00, 0x04, 0x00, 0x00, 0x00 }, {
// Big endian
0x4d, 0x4d, 0x00, 0x2a, 0x00, 0x00, 0x00, 0x0c, 0xde, 0xad, 0xbe, 0xef, 0x00, 0x06, 0x01, 0x00,
0x00, 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x00, 0x01, 0x01, 0x00, 0x03, 0x00, 0x00,
0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x01, 0x02, 0x00, 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x10,
0x00, 0x00, 0x01, 0x06, 0x00, 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x01, 0x11,
0x00, 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x08, 0x01, 0x17, 0x00, 0x04, 0x00, 0x00,
0x00, 0x01, 0x00, 0x00, 0x00, 0x04 }
};
// Test imread() for both a little endian TIFF and big endian TIFF
for (int i = 0; i < 2; i++)
{
string filename = cv::tempfile(".tiff");
// Write sample TIFF file
FILE* fp = fopen(filename.c_str(), "wb");
ASSERT_TRUE(fp != NULL);
ASSERT_EQ((size_t)1, fwrite(tiff_sample_data, 86, 1, fp));
fclose(fp);
Mat img = imread(filename, CV_LOAD_IMAGE_UNCHANGED);
EXPECT_EQ(1, img.rows);
EXPECT_EQ(2, img.cols);
EXPECT_EQ(CV_16U, img.type());
EXPECT_EQ(sizeof(ushort), img.elemSize());
EXPECT_EQ(1, img.channels());
EXPECT_EQ(0xDEAD, img.at<ushort>(0,0));
EXPECT_EQ(0xBEEF, img.at<ushort>(0,1));
remove(filename.c_str());
}
}
#endif