opencv/modules/imgcodecs/src/grfmt_jpeg2000.cpp
2019-03-14 21:43:24 +00:00

627 lines
19 KiB
C++

/*M///////////////////////////////////////////////////////////////////////////////////////
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#include "precomp.hpp"
#ifdef HAVE_JASPER
#include <opencv2/core/utils/configuration.private.hpp>
#include <opencv2/core/utils/logger.hpp>
#include "grfmt_jpeg2000.hpp"
#include "opencv2/imgproc.hpp"
#ifdef _WIN32
#define JAS_WIN_MSVC_BUILD 1
#ifdef __GNUC__
#define HAVE_STDINT_H 1
#endif
#endif
#undef VERSION
#include <jasper/jasper.h>
// FIXME bad hack
#undef uchar
#undef ulong
namespace cv
{
struct JasperInitializer
{
JasperInitializer() { jas_init(); }
~JasperInitializer() { jas_cleanup(); }
};
static JasperInitializer& _initJasper()
{
static JasperInitializer initialize_jasper;
return initialize_jasper;
}
static bool isJasperEnabled()
{
static const bool PARAM_ENABLE_JASPER = utils::getConfigurationParameterBool("OPENCV_IO_ENABLE_JASPER",
#ifdef OPENCV_IMGCODECS_FORCE_JASPER
true
#else
false
#endif
);
return PARAM_ENABLE_JASPER;
}
static JasperInitializer& initJasper()
{
if (isJasperEnabled())
{
return _initJasper();
}
else
{
const char* message = "imgcodecs: Jasper (JPEG-2000) codec is disabled. You can enable it via 'OPENCV_IO_ENABLE_JASPER' option. Refer for details and cautions here: https://github.com/opencv/opencv/issues/14058";
CV_LOG_WARNING(NULL, message);
CV_Error(Error::StsNotImplemented, message);
}
}
/////////////////////// Jpeg2KDecoder ///////////////////
Jpeg2KDecoder::Jpeg2KDecoder()
{
static const unsigned char signature_[12] = { 0, 0, 0, 0x0c, 'j', 'P', ' ', ' ', 13, 10, 0x87, 10};
m_signature = String((const char*)signature_, (const char*)signature_ + sizeof(signature_));
m_stream = 0;
m_image = 0;
}
Jpeg2KDecoder::~Jpeg2KDecoder()
{
}
ImageDecoder Jpeg2KDecoder::newDecoder() const
{
initJasper();
return makePtr<Jpeg2KDecoder>();
}
void Jpeg2KDecoder::close()
{
if( m_stream )
{
CV_Assert(isJasperEnabled());
jas_stream_close( (jas_stream_t*)m_stream );
m_stream = 0;
}
if( m_image )
{
CV_Assert(isJasperEnabled());
jas_image_destroy( (jas_image_t*)m_image );
m_image = 0;
}
}
bool Jpeg2KDecoder::readHeader()
{
CV_Assert(isJasperEnabled());
bool result = false;
close();
jas_stream_t* stream = jas_stream_fopen( m_filename.c_str(), "rb" );
m_stream = stream;
if( stream )
{
jas_image_t* image = jas_image_decode( stream, -1, 0 );
m_image = image;
if( image ) {
CV_Assert(0 == (jas_image_tlx(image)) && "not supported");
CV_Assert(0 == (jas_image_tly(image)) && "not supported");
m_width = jas_image_width( image );
m_height = jas_image_height( image );
int cntcmpts = 0; // count the known components
int numcmpts = jas_image_numcmpts( image );
int depth = 0;
for( int i = 0; i < numcmpts; i++ )
{
int depth_i = jas_image_cmptprec( image, i );
CV_Assert(depth == 0 || depth == depth_i); // component data type mismatch
depth = MAX(depth, depth_i);
if( jas_image_cmpttype( image, i ) > 2 )
continue;
int sgnd = jas_image_cmptsgnd(image, i);
int xstart = jas_image_cmpttlx(image, i);
int xend = jas_image_cmptbrx(image, i);
int xstep = jas_image_cmpthstep(image, i);
int ystart = jas_image_cmpttly(image, i);
int yend = jas_image_cmptbry(image, i);
int ystep = jas_image_cmptvstep(image, i);
CV_Assert(sgnd == 0 && "not supported");
CV_Assert(xstart == 0 && "not supported");
CV_Assert(ystart == 0 && "not supported");
CV_Assert(xstep == 1 && "not supported");
CV_Assert(ystep == 1 && "not supported");
CV_Assert(xend == m_width);
CV_Assert(yend == m_height);
cntcmpts++;
}
if( cntcmpts )
{
CV_Assert(depth == 8 || depth == 16);
CV_Assert(cntcmpts == 1 || cntcmpts == 3);
m_type = CV_MAKETYPE(depth <= 8 ? CV_8U : CV_16U, cntcmpts > 1 ? 3 : 1);
result = true;
}
}
}
if( !result )
close();
return result;
}
static void Jpeg2KDecoder_close(Jpeg2KDecoder* ptr)
{
ptr->close();
}
bool Jpeg2KDecoder::readData( Mat& img )
{
CV_Assert(isJasperEnabled());
Ptr<Jpeg2KDecoder> close_this(this, Jpeg2KDecoder_close);
bool result = false;
bool color = img.channels() > 1;
uchar* data = img.ptr();
size_t step = img.step;
jas_stream_t* stream = (jas_stream_t*)m_stream;
jas_image_t* image = (jas_image_t*)m_image;
#ifndef _WIN32
// At least on some Linux instances the
// system libjasper segfaults when
// converting color to grey.
// We do this conversion manually at the end.
Mat clr;
if (CV_MAT_CN(img.type()) < CV_MAT_CN(this->type()))
{
clr.create(img.size().height, img.size().width, this->type());
color = true;
data = clr.ptr();
step = (int)clr.step;
}
#endif
if( stream && image )
{
bool convert;
int colorspace;
if( color )
{
convert = (jas_image_clrspc( image ) != JAS_CLRSPC_SRGB);
colorspace = JAS_CLRSPC_SRGB;
}
else
{
convert = (jas_clrspc_fam( jas_image_clrspc( image ) ) != JAS_CLRSPC_FAM_GRAY);
colorspace = JAS_CLRSPC_SGRAY; // TODO GENGRAY or SGRAY? (GENGRAY fails on Win.)
}
// convert to the desired colorspace
if( convert )
{
jas_cmprof_t *clrprof = jas_cmprof_createfromclrspc( colorspace );
if( clrprof )
{
jas_image_t *_img = jas_image_chclrspc( image, clrprof, JAS_CMXFORM_INTENT_RELCLR );
if( _img )
{
jas_image_destroy( image );
m_image = image = _img;
result = true;
}
else
{
jas_cmprof_destroy(clrprof);
CV_Error(Error::StsError, "JPEG 2000 LOADER ERROR: cannot convert colorspace");
}
jas_cmprof_destroy( clrprof );
}
else
{
CV_Error(Error::StsError, "JPEG 2000 LOADER ERROR: unable to create colorspace");
}
}
else
result = true;
if( result )
{
int ncmpts;
int cmptlut[3];
if( color )
{
cmptlut[0] = jas_image_getcmptbytype( image, JAS_IMAGE_CT_RGB_B );
cmptlut[1] = jas_image_getcmptbytype( image, JAS_IMAGE_CT_RGB_G );
cmptlut[2] = jas_image_getcmptbytype( image, JAS_IMAGE_CT_RGB_R );
if( cmptlut[0] < 0 || cmptlut[1] < 0 || cmptlut[2] < 0 )
result = false;
ncmpts = 3;
}
else
{
cmptlut[0] = jas_image_getcmptbytype( image, JAS_IMAGE_CT_GRAY_Y );
if( cmptlut[0] < 0 )
result = false;
ncmpts = 1;
}
if( result )
{
for( int i = 0; i < ncmpts; i++ )
{
int maxval = 1 << jas_image_cmptprec( image, cmptlut[i] );
int offset = jas_image_cmptsgnd( image, cmptlut[i] ) ? maxval / 2 : 0;
int yend = jas_image_cmptbry( image, cmptlut[i] );
int ystep = jas_image_cmptvstep( image, cmptlut[i] );
int xend = jas_image_cmptbrx( image, cmptlut[i] );
int xstep = jas_image_cmpthstep( image, cmptlut[i] );
jas_matrix_t *buffer = jas_matrix_create( yend / ystep, xend / xstep );
if( buffer )
{
if( !jas_image_readcmpt( image, cmptlut[i], 0, 0, xend / xstep, yend / ystep, buffer ))
{
if( img.depth() == CV_8U )
result = readComponent8u( data + i, buffer, validateToInt(step), cmptlut[i], maxval, offset, ncmpts );
else
result = readComponent16u( ((unsigned short *)data) + i, buffer, validateToInt(step / 2), cmptlut[i], maxval, offset, ncmpts );
if( !result )
{
jas_matrix_destroy( buffer );
CV_Error(Error::StsError, "JPEG2000 LOADER ERROR: failed to read component");
}
}
jas_matrix_destroy( buffer );
}
}
}
}
else
{
CV_Error(Error::StsError, "JPEG2000 LOADER ERROR: colorspace conversion failed");
}
}
CV_Assert(result == true);
#ifndef _WIN32
if (!clr.empty())
{
cv::cvtColor(clr, img, COLOR_BGR2GRAY);
}
#endif
return result;
}
bool Jpeg2KDecoder::readComponent8u( uchar *data, void *_buffer,
int step, int cmpt,
int maxval, int offset, int ncmpts )
{
CV_Assert(isJasperEnabled());
jas_matrix_t* buffer = (jas_matrix_t*)_buffer;
jas_image_t* image = (jas_image_t*)m_image;
int xstart = jas_image_cmpttlx( image, cmpt );
int xend = jas_image_cmptbrx( image, cmpt );
int xstep = jas_image_cmpthstep( image, cmpt );
int xoffset = jas_image_tlx( image );
int ystart = jas_image_cmpttly( image, cmpt );
int yend = jas_image_cmptbry( image, cmpt );
int ystep = jas_image_cmptvstep( image, cmpt );
int yoffset = jas_image_tly( image );
int x, y, x1, y1, j;
int rshift = cvRound(std::log(maxval/256.)/std::log(2.));
int lshift = MAX(0, -rshift);
rshift = MAX(0, rshift);
int delta = (rshift > 0 ? 1 << (rshift - 1) : 0) + offset;
for( y = 0; y < yend - ystart; )
{
jas_seqent_t* pix_row = &jas_matrix_get( buffer, y / ystep, 0 );
uchar* dst = data + (y - yoffset) * step - xoffset;
if( xstep == 1 )
{
if( maxval == 256 && offset == 0 )
for( x = 0; x < xend - xstart; x++ )
{
int pix = pix_row[x];
dst[x*ncmpts] = cv::saturate_cast<uchar>(pix);
}
else
for( x = 0; x < xend - xstart; x++ )
{
int pix = ((pix_row[x] + delta) >> rshift) << lshift;
dst[x*ncmpts] = cv::saturate_cast<uchar>(pix);
}
}
else if( xstep == 2 && offset == 0 )
for( x = 0, j = 0; x < xend - xstart; x += 2, j++ )
{
int pix = ((pix_row[j] + delta) >> rshift) << lshift;
dst[x*ncmpts] = dst[(x+1)*ncmpts] = cv::saturate_cast<uchar>(pix);
}
else
for( x = 0, j = 0; x < xend - xstart; j++ )
{
int pix = ((pix_row[j] + delta) >> rshift) << lshift;
pix = cv::saturate_cast<uchar>(pix);
for( x1 = x + xstep; x < x1; x++ )
dst[x*ncmpts] = (uchar)pix;
}
y1 = y + ystep;
for( ++y; y < y1; y++, dst += step )
for( x = 0; x < xend - xstart; x++ )
dst[x*ncmpts + step] = dst[x*ncmpts];
}
return true;
}
bool Jpeg2KDecoder::readComponent16u( unsigned short *data, void *_buffer,
int step, int cmpt,
int maxval, int offset, int ncmpts )
{
CV_Assert(isJasperEnabled());
jas_matrix_t* buffer = (jas_matrix_t*)_buffer;
jas_image_t* image = (jas_image_t*)m_image;
int xstart = jas_image_cmpttlx( image, cmpt );
int xend = jas_image_cmptbrx( image, cmpt );
int xstep = jas_image_cmpthstep( image, cmpt );
int xoffset = jas_image_tlx( image );
int ystart = jas_image_cmpttly( image, cmpt );
int yend = jas_image_cmptbry( image, cmpt );
int ystep = jas_image_cmptvstep( image, cmpt );
int yoffset = jas_image_tly( image );
int x, y, x1, y1, j;
int rshift = cvRound(std::log(maxval/65536.)/std::log(2.));
int lshift = MAX(0, -rshift);
rshift = MAX(0, rshift);
int delta = (rshift > 0 ? 1 << (rshift - 1) : 0) + offset;
for( y = 0; y < yend - ystart; )
{
jas_seqent_t* pix_row = &jas_matrix_get( buffer, y / ystep, 0 );
ushort* dst = data + (y - yoffset) * step - xoffset;
if( xstep == 1 )
{
if( maxval == 65536 && offset == 0 )
for( x = 0; x < xend - xstart; x++ )
{
int pix = pix_row[x];
dst[x*ncmpts] = cv::saturate_cast<ushort>(pix);
}
else
for( x = 0; x < xend - xstart; x++ )
{
int pix = ((pix_row[x] + delta) >> rshift) << lshift;
dst[x*ncmpts] = cv::saturate_cast<ushort>(pix);
}
}
else if( xstep == 2 && offset == 0 )
for( x = 0, j = 0; x < xend - xstart; x += 2, j++ )
{
int pix = ((pix_row[j] + delta) >> rshift) << lshift;
dst[x*ncmpts] = dst[(x+1)*ncmpts] = cv::saturate_cast<ushort>(pix);
}
else
for( x = 0, j = 0; x < xend - xstart; j++ )
{
int pix = ((pix_row[j] + delta) >> rshift) << lshift;
pix = cv::saturate_cast<ushort>(pix);
for( x1 = x + xstep; x < x1; x++ )
dst[x*ncmpts] = (ushort)pix;
}
y1 = y + ystep;
for( ++y; y < y1; y++, dst += step )
for( x = 0; x < xend - xstart; x++ )
dst[x*ncmpts + step] = dst[x*ncmpts];
}
return true;
}
/////////////////////// Jpeg2KEncoder ///////////////////
Jpeg2KEncoder::Jpeg2KEncoder()
{
m_description = "JPEG-2000 files (*.jp2)";
}
Jpeg2KEncoder::~Jpeg2KEncoder()
{
}
ImageEncoder Jpeg2KEncoder::newEncoder() const
{
initJasper();
return makePtr<Jpeg2KEncoder>();
}
bool Jpeg2KEncoder::isFormatSupported( int depth ) const
{
return depth == CV_8U || depth == CV_16U;
}
bool Jpeg2KEncoder::write( const Mat& _img, const std::vector<int>& )
{
CV_Assert(isJasperEnabled());
int width = _img.cols, height = _img.rows;
int depth = _img.depth(), channels = _img.channels();
depth = depth == CV_8U ? 8 : 16;
if( channels > 3 || channels < 1 )
return false;
jas_image_cmptparm_t component_info[3];
for( int i = 0; i < channels; i++ )
{
component_info[i].tlx = 0;
component_info[i].tly = 0;
component_info[i].hstep = 1;
component_info[i].vstep = 1;
component_info[i].width = width;
component_info[i].height = height;
component_info[i].prec = depth;
component_info[i].sgnd = 0;
}
jas_image_t *img = jas_image_create( channels, component_info, (channels == 1) ? JAS_CLRSPC_SGRAY : JAS_CLRSPC_SRGB );
if( !img )
return false;
if(channels == 1)
jas_image_setcmpttype( img, 0, JAS_IMAGE_CT_GRAY_Y );
else
{
jas_image_setcmpttype( img, 0, JAS_IMAGE_CT_RGB_B );
jas_image_setcmpttype( img, 1, JAS_IMAGE_CT_RGB_G );
jas_image_setcmpttype( img, 2, JAS_IMAGE_CT_RGB_R );
}
bool result;
if( depth == 8 )
result = writeComponent8u( img, _img );
else
result = writeComponent16u( img, _img );
if( result )
{
jas_stream_t *stream = jas_stream_fopen( m_filename.c_str(), "wb" );
if( stream )
{
result = !jas_image_encode( img, stream, jas_image_strtofmt( (char*)"jp2" ), (char*)"" );
jas_stream_close( stream );
}
}
jas_image_destroy( img );
return result;
}
bool Jpeg2KEncoder::writeComponent8u( void *__img, const Mat& _img )
{
CV_Assert(isJasperEnabled());
jas_image_t* img = (jas_image_t*)__img;
int w = _img.cols, h = _img.rows, ncmpts = _img.channels();
jas_matrix_t *row = jas_matrix_create( 1, w );
if(!row)
return false;
for( int y = 0; y < h; y++ )
{
const uchar* data = _img.ptr(y);
for( int i = 0; i < ncmpts; i++ )
{
for( int x = 0; x < w; x++)
jas_matrix_setv( row, x, data[x * ncmpts + i] );
jas_image_writecmpt( img, i, 0, y, w, 1, row );
}
}
jas_matrix_destroy( row );
return true;
}
bool Jpeg2KEncoder::writeComponent16u( void *__img, const Mat& _img )
{
CV_Assert(isJasperEnabled());
jas_image_t* img = (jas_image_t*)__img;
int w = _img.cols, h = _img.rows, ncmpts = _img.channels();
jas_matrix_t *row = jas_matrix_create( 1, w );
if(!row)
return false;
for( int y = 0; y < h; y++ )
{
const ushort* data = _img.ptr<ushort>(y);
for( int i = 0; i < ncmpts; i++ )
{
for( int x = 0; x < w; x++)
jas_matrix_setv( row, x, data[x * ncmpts + i] );
jas_image_writecmpt( img, i, 0, y, w, 1, row );
}
}
jas_matrix_destroy( row );
return true;
}
}
#endif
/* End of file. */