From 16f205d886407d087fbaa5d00ff31e371f97cb51 Mon Sep 17 00:00:00 2001 From: Antonin Descampe Date: Wed, 13 Apr 2011 21:01:39 +0000 Subject: re-organization of openjpeg directories hierarchy : step 1 --- OPJViewer/source/imagjpeg2000.cpp | 1464 ------------------------------------- 1 file changed, 1464 deletions(-) delete mode 100644 OPJViewer/source/imagjpeg2000.cpp (limited to 'OPJViewer/source/imagjpeg2000.cpp') diff --git a/OPJViewer/source/imagjpeg2000.cpp b/OPJViewer/source/imagjpeg2000.cpp deleted file mode 100644 index 66e1146b..00000000 --- a/OPJViewer/source/imagjpeg2000.cpp +++ /dev/null @@ -1,1464 +0,0 @@ -/* - * Copyright (c) 2007, Digital Signal Processing Laboratory, Università degli studi di Perugia (UPG), Italy - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. 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. - * - * 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. - */ -///////////////////////////////////////////////////////////////////////////// -// Name: imagjpeg2000.cpp -// Purpose: wxImage JPEG 2000 family file format handler -// Author: Giuseppe Baruffa - based on imagjpeg.cpp, Vaclav Slavik -// RCS-ID: $Id: imagjpeg2000.cpp,v 0.00 2008/01/31 10:58:00 MW Exp $ -// Copyright: (c) Giuseppe Baruffa -// Licence: wxWindows licence -///////////////////////////////////////////////////////////////////////////// - -// For compilers that support precompilation, includes "wx.h". -#include "wx/wxprec.h" - -#ifdef __BORLANDC__ - #pragma hdrstop -#endif - -#if wxUSE_IMAGE && wxUSE_LIBOPENJPEG - -#include "imagjpeg2000.h" - -#ifndef WX_PRECOMP - #include "wx/log.h" - #include "wx/app.h" - #include "wx/intl.h" - #include "wx/bitmap.h" - #include "wx/module.h" -#endif - -#include "libopenjpeg/openjpeg.h" - -#include "wx/filefn.h" -#include "wx/wfstream.h" - -// ---------------------------------------------------------------------------- -// types -// ---------------------------------------------------------------------------- - - -//----------------------------------------------------------------------------- -// wxJPEG2000Handler -//----------------------------------------------------------------------------- - -IMPLEMENT_DYNAMIC_CLASS(wxJPEG2000Handler,wxImageHandler) - -#if wxUSE_STREAMS - -//------------- JPEG 2000 Data Source Manager - -#define J2K_CFMT 0 -#define JP2_CFMT 1 -#define JPT_CFMT 2 -#define MJ2_CFMT 3 -#define PXM_DFMT 0 -#define PGX_DFMT 1 -#define BMP_DFMT 2 -#define YUV_DFMT 3 - -#define MAX_MESSAGE_LEN 200 - -/* check file type */ -int -jpeg2000familytype(unsigned char *hdr, int hdr_len) -{ - // check length - if (hdr_len < 24) - return -1; - - // check format - if (hdr[0] == 0x00 && - hdr[1] == 0x00 && - hdr[2] == 0x00 && - hdr[3] == 0x0C && - hdr[4] == 0x6A && - hdr[5] == 0x50 && - hdr[6] == 0x20 && - hdr[7] == 0x20 && - hdr[20] == 0x6A && - hdr[21] == 0x70 && - hdr[22] == 0x32) - // JP2 file format - return JP2_CFMT; - else if (hdr[0] == 0x00 && - hdr[1] == 0x00 && - hdr[2] == 0x00 && - hdr[3] == 0x0C && - hdr[4] == 0x6A && - hdr[5] == 0x50 && - hdr[6] == 0x20 && - hdr[7] == 0x20 && - hdr[20] == 0x6D && - hdr[21] == 0x6A && - hdr[22] == 0x70 && - hdr[23] == 0x32) - // MJ2 file format - return MJ2_CFMT; - else if (hdr[0] == 0xFF && - hdr[1] == 0x4F) - // J2K file format - return J2K_CFMT; - else - // unknown format - return -1; - -} - -/* we have to use this to avoid GUI-noGUI threads crashing */ -void printevent(const char *msg) -{ -#ifndef __WXGTK__ - wxMutexGuiEnter(); -#endif /* __WXGTK__ */ - wxLogMessage(wxT("%s"), msg); -#ifndef __WXGTK__ - wxMutexGuiLeave(); -#endif /* __WXGTK__ */ -} - -/* sample error callback expecting a FILE* client object */ -void jpeg2000_error_callback(const char *msg, void *client_data) { - char mess[MAX_MESSAGE_LEN + 20]; - int message_len = strlen(msg); - - if (message_len > MAX_MESSAGE_LEN) - message_len = MAX_MESSAGE_LEN; - - if (msg[message_len - 1] == '\n') - message_len--; - - sprintf(mess, "[ERROR] %.*s", message_len, msg); - printevent(mess); -} - -/* sample warning callback expecting a FILE* client object */ -void jpeg2000_warning_callback(const char *msg, void *client_data) { - char mess[MAX_MESSAGE_LEN + 20]; - int message_len = strlen(msg); - - if (message_len > MAX_MESSAGE_LEN) - message_len = MAX_MESSAGE_LEN; - - if (msg[message_len - 1] == '\n') - message_len--; - - sprintf(mess, "[WARNING] %.*s", message_len, msg); - printevent(mess); -} - -/* sample debug callback expecting no client object */ -void jpeg2000_info_callback(const char *msg, void *client_data) { - char mess[MAX_MESSAGE_LEN + 20]; - int message_len = strlen(msg); - - if (message_len > MAX_MESSAGE_LEN) - message_len = MAX_MESSAGE_LEN; - - if (msg[message_len - 1] == '\n') - message_len--; - - sprintf(mess, "[INFO] %.*s", message_len, msg); - printevent(mess); -} - -/* macro functions */ -/* From little endian to big endian, 2 and 4 bytes */ -#define BYTE_SWAP2(X) ((X & 0x00FF) << 8) | ((X & 0xFF00) >> 8) -#define BYTE_SWAP4(X) ((X & 0x000000FF) << 24) | ((X & 0x0000FF00) << 8) | ((X & 0x00FF0000) >> 8) | ((X & 0xFF000000) >> 24) - -#ifdef __WXGTK__ -#define BYTE_SWAP8(X) ((X & 0x00000000000000FFULL) << 56) | ((X & 0x000000000000FF00ULL) << 40) | \ - ((X & 0x0000000000FF0000ULL) << 24) | ((X & 0x00000000FF000000ULL) << 8) | \ - ((X & 0x000000FF00000000ULL) >> 8) | ((X & 0x0000FF0000000000ULL) >> 24) | \ - ((X & 0x00FF000000000000ULL) >> 40) | ((X & 0xFF00000000000000ULL) >> 56) -#else -#define BYTE_SWAP8(X) ((X & 0x00000000000000FF) << 56) | ((X & 0x000000000000FF00) << 40) | \ - ((X & 0x0000000000FF0000) << 24) | ((X & 0x00000000FF000000) << 8) | \ - ((X & 0x000000FF00000000) >> 8) | ((X & 0x0000FF0000000000) >> 24) | \ - ((X & 0x00FF000000000000) >> 40) | ((X & 0xFF00000000000000) >> 56) -#endif - -/* From codestream to int values */ -#define STREAM_TO_UINT32(C, P) (((unsigned long int) (C)[(P) + 0] << 24) + \ - ((unsigned long int) (C)[(P) + 1] << 16) + \ - ((unsigned long int) (C)[(P) + 2] << 8) + \ - ((unsigned long int) (C)[(P) + 3] << 0)) - -#define STREAM_TO_UINT16(C, P) (((unsigned long int) (C)[(P) + 0] << 8) + \ - ((unsigned long int) (C)[(P) + 1] << 0)) - -/* defines */ -#define SHORT_DESCR_LEN 32 -#define LONG_DESCR_LEN 256 - -/* enumeration for file formats */ -#define JPEG2000FILENUM 4 -typedef enum { - - JP2_FILE, - J2K_FILE, - MJ2_FILE, - UNK_FILE - -} jpeg2000filetype; - -/* enumeration for the box types */ -#define JPEG2000BOXNUM 23 -typedef enum { - - FILE_BOX, - JP_BOX, - FTYP_BOX, - JP2H_BOX, - IHDR_BOX, - COLR_BOX, - JP2C_BOX, - JP2I_BOX, - XML_BOX, - UUID_BOX, - UINF_BOX, - MOOV_BOX, - MVHD_BOX, - TRAK_BOX, - TKHD_BOX, - MDIA_BOX, - MINF_BOX, - STBL_BOX, - STSD_BOX, - MJP2_BOX, - MDAT_BOX, - ANY_BOX, - UNK_BOX - -} jpeg2000boxtype; - -/* jpeg2000 family box signatures */ -#define FILE_SIGN "" -#define JP_SIGN "jP\040\040" -#define FTYP_SIGN "ftyp" -#define JP2H_SIGN "jp2h" -#define IHDR_SIGN "ihdr" -#define COLR_SIGN "colr" -#define JP2C_SIGN "jp2c" -#define JP2I_SIGN "jp2i" -#define XML_SIGN "xml\040" -#define UUID_SIGN "uuid" -#define UINF_SIGN "uinf" -#define MOOV_SIGN "moov" -#define MVHD_SIGN "mvhd" -#define TRAK_SIGN "trak" -#define TKHD_SIGN "tkhd" -#define MDIA_SIGN "mdia" -#define MINF_SIGN "minf" -#define VMHD_SIGN "vmhd" -#define STBL_SIGN "stbl" -#define STSD_SIGN "stsd" -#define MJP2_SIGN "mjp2" -#define MDAT_SIGN "mdat" -#define ANY_SIGN "" -#define UNK_SIGN "" - -/* the box structure itself */ -struct jpeg2000boxdef { - - char value[5]; /* hexadecimal value/string*/ - char name[SHORT_DESCR_LEN]; /* short description */ - char descr[LONG_DESCR_LEN]; /* long description */ - int sbox; /* is it a superbox? */ - int req[JPEG2000FILENUM]; /* mandatory box */ - jpeg2000boxtype ins; /* contained in box... */ - -}; - -/* the possible boxes */ -struct jpeg2000boxdef jpeg2000box[] = -{ -/* sign */ {FILE_SIGN, -/* short */ "placeholder for nothing", -/* long */ "Nothing to say", -/* sbox */ 0, -/* req */ {1, 1, 1}, -/* ins */ FILE_BOX}, - -/* sign */ {JP_SIGN, -/* short */ "JPEG 2000 Signature box", -/* long */ "This box uniquely identifies the file as being part of the JPEG 2000 family of files", -/* sbox */ 0, -/* req */ {1, 1, 1}, -/* ins */ FILE_BOX}, - -/* sign */ {FTYP_SIGN, -/* short */ "File Type box", -/* long */ "This box specifies file type, version and compatibility information, including specifying if this file " - "is a conforming JP2 file or if it can be read by a conforming JP2 reader", -/* sbox */ 0, -/* req */ {1, 1, 1}, -/* ins */ FILE_BOX}, - -/* sign */ {JP2H_SIGN, -/* short */ "JP2 Header box", -/* long */ "This box contains a series of boxes that contain header-type information about the file", -/* sbox */ 1, -/* req */ {1, 1, 1}, -/* ins */ FILE_BOX}, - -/* sign */ {IHDR_SIGN, -/* short */ "Image Header box", -/* long */ "This box specifies the size of the image and other related fields", -/* sbox */ 0, -/* req */ {1, 1, 1}, -/* ins */ JP2H_BOX}, - -/* sign */ {COLR_SIGN, -/* short */ "Colour Specification box", -/* long */ "This box specifies the colourspace of the image", -/* sbox */ 0, -/* req */ {1, 1, 1}, -/* ins */ JP2H_BOX}, - -/* sign */ {JP2C_SIGN, -/* short */ "Contiguous Codestream box", -/* long */ "This box contains the codestream as defined by Annex A", -/* sbox */ 0, -/* req */ {1, 1, 1}, -/* ins */ FILE_BOX}, - -/* sign */ {JP2I_SIGN, -/* short */ "Intellectual Property box", -/* long */ "This box contains intellectual property information about the image", -/* sbox */ 0, -/* req */ {0, 0, 0}, -/* ins */ FILE_BOX}, - -/* sign */ {XML_SIGN, -/* short */ "XML box", -/* long */ "This box provides a tool by which vendors can add XML formatted information to a JP2 file", -/* sbox */ 0, -/* req */ {0, 0, 0}, -/* ins */ FILE_BOX}, - -/* sign */ {UUID_SIGN, -/* short */ "UUID box", -/* long */ "This box provides a tool by which vendors can add additional information to a file " - "without risking conflict with other vendors", -/* sbox */ 0, -/* req */ {0, 0, 0}, -/* ins */ FILE_BOX}, - -/* sign */ {UINF_SIGN, -/* short */ "UUID Info box", -/* long */ "This box provides a tool by which a vendor may provide access to additional information associated with a UUID", -/* sbox */ 0, -/* req */ {0, 0, 0}, -/* ins */ FILE_BOX}, - -/* sign */ {MOOV_SIGN, -/* short */ "Movie box", -/* long */ "This box contains the media data. In video tracks, this box would contain JPEG2000 video frames", -/* sbox */ 1, -/* req */ {1, 1, 1}, -/* ins */ FILE_BOX}, - -/* sign */ {MVHD_SIGN, -/* short */ "Movie Header box", -/* long */ "This box defines overall information which is media-independent, and relevant to the entire presentation " - "considered as a whole", -/* sbox */ 0, -/* req */ {1, 1, 1}, -/* ins */ MOOV_BOX}, - -/* sign */ {TRAK_SIGN, -/* short */ "Track box", -/* long */ "This is a container box for a single track of a presentation. A presentation may consist of one or more tracks", -/* sbox */ 1, -/* req */ {1, 1, 1}, -/* ins */ MOOV_BOX}, - -/* sign */ {TKHD_SIGN, -/* short */ "Track Header box", -/* long */ "This box specifies the characteristics of a single track. Exactly one Track Header Box is contained in a track", -/* sbox */ 0, -/* req */ {1, 1, 1}, -/* ins */ TRAK_BOX}, - -/* sign */ {MDIA_SIGN, -/* short */ "Media box", -/* long */ "The media declaration container contains all the objects which declare information about the media data " - "within a track", -/* sbox */ 1, -/* req */ {1, 1, 1}, -/* ins */ TRAK_BOX}, - -/* sign */ {MINF_SIGN, -/* short */ "Media Information box", -/* long */ "This box contains all the objects which declare characteristic information of the media in the track", -/* sbox */ 1, -/* req */ {1, 1, 1}, -/* ins */ MDIA_BOX}, - -/* sign */ {STBL_SIGN, -/* short */ "Sample Table box", -/* long */ "The sample table contains all the time and data indexing of the media samples in a track", -/* sbox */ 1, -/* req */ {1, 1, 1}, -/* ins */ MINF_BOX}, - -/* sign */ {STSD_SIGN, -/* short */ "Sample Description box", -/* long */ "The sample description table gives detailed information about the coding type used, and any initialization " - "information needed for that coding", -/* sbox */ 0, -/* req */ {1, 1, 1}, -/* ins */ MINF_BOX}, - -/* sign */ {MJP2_SIGN, -/* short */ "MJP2 Sample Description box", -/* long */ "The MJP2 sample description table gives detailed information about the coding type used, and any initialization " - "information needed for that coding", -/* sbox */ 0, -/* req */ {1, 1, 1}, -/* ins */ MINF_BOX}, - -/* sign */ {MDAT_SIGN, -/* short */ "Media Data box", -/* long */ "The meta-data for a presentation is stored in the single Movie Box which occurs at the top-level of a file", -/* sbox */ 1, -/* req */ {1, 1, 1}, -/* ins */ FILE_BOX}, - -/* sign */ {ANY_SIGN, -/* short */ "Any box", -/* long */ "All the existing boxes", -/* sbox */ 0, -/* req */ {0, 0, 0}, -/* ins */ FILE_BOX}, - -/* sign */ {UNK_SIGN, -/* short */ "Unknown Type box", -/* long */ "The signature is not recognised to be that of an existing box", -/* sbox */ 0, -/* req */ {0, 0, 0}, -/* ins */ ANY_BOX} - -}; - -/* declaration */ -int -jpeg2000_box_handler_function(jpeg2000boxtype boxtype, wxInputStream& stream, unsigned long int filepoint, - unsigned long int filelimit, int level, char *scansign, - unsigned long int *scanpoint); - -#ifdef __WXMSW__ -typedef unsigned __int64 int8byte; -#endif // __WXMSW__ - -#ifdef __WXGTK__ -typedef unsigned long long int8byte; -#endif // __WXGTK__ - -/* internal mini-search for a box signature */ -int -jpeg2000_file_parse(wxInputStream& stream, unsigned long int filepoint, unsigned long int filelimit, int level, - char *scansign, unsigned long int *scanpoint) -{ - unsigned long int LBox = 0x00000000; - char TBox[5] = "\0\0\0\0"; - int8byte XLBox = 0x0000000000000000; - unsigned long int box_length = 0; - int last_box = 0, box_num = 0; - int box_type = ANY_BOX; - unsigned char fourbytes[4]; - int box_number = 0; - - /* cycle all over the file */ - box_num = 0; - last_box = 0; - while (!last_box) { - - /* do not exceed file limit */ - if (filepoint >= filelimit) - return (0); - - /* seek on file */ - if (stream.SeekI(filepoint, wxFromStart) == wxInvalidOffset) - return (-1); - - /* read the mandatory LBox, 4 bytes */ - if (!stream.Read(fourbytes, 4)) { - wxLogError(wxT("Problem reading LBox from the file (file ended?)")); - return -1; - }; - LBox = STREAM_TO_UINT32(fourbytes, 0); - - /* read the mandatory TBox, 4 bytes */ - if (!stream.Read(TBox, 4)) { - wxLogError(wxT("Problem reading TBox from the file (file ended?)")); - return -1; - }; - - /* look if scansign is got */ - if ((scansign != NULL) && (memcmp(TBox, scansign, 4) == 0)) { - /* hack/exploit */ - // stop as soon as you find the level-th codebox - if (box_number == level) { - memcpy(scansign, " ", 4); - *scanpoint = filepoint; - return (0); - } else - box_number++; - - }; - - /* determine the box type */ - for (box_type = JP_BOX; box_type < UNK_BOX; box_type++) - if (memcmp(TBox, jpeg2000box[box_type].value, 4) == 0) - break; - - /* read the optional XLBox, 8 bytes */ - if (LBox == 1) { - - if (!stream.Read(&XLBox, 8)) { - wxLogError(wxT("Problem reading XLBox from the file (file ended?)")); - return -1; - }; - box_length = (unsigned long int) BYTE_SWAP8(XLBox); - - } else if (LBox == 0x00000000) { - - /* last box in file */ - last_box = 1; - box_length = filelimit - filepoint; - - } else - - box_length = LBox; - - - /* go deep in the box */ - jpeg2000_box_handler_function((jpeg2000boxtype) box_type, - stream, (LBox == 1) ? (filepoint + 16) : (filepoint + 8), - filepoint + box_length, level, scansign, scanpoint); - - /* if it's a superbox go inside it */ - if (jpeg2000box[box_type].sbox) - jpeg2000_file_parse(stream, (LBox == 1) ? (filepoint + 16) : (filepoint + 8), filepoint + box_length, - level, scansign, scanpoint); - - /* increment box number and filepoint*/ - box_num++; - filepoint += box_length; - - }; - - /* all good */ - return (0); -} - -// search first contiguos codestream box in an mj2 file -unsigned long int -searchjpeg2000c(wxInputStream& stream, unsigned long int fsize, int number) -{ - char scansign[] = "jp2c"; - unsigned long int scanpoint = 0L; - - wxLogMessage(wxT("Searching jp2c box... ")); - - /* do the parsing */ - if (jpeg2000_file_parse(stream, 0, fsize, number, scansign, &scanpoint) < 0) - wxLogMessage(wxT("Unrecoverable error during JPEG 2000 box parsing: stopping")); - - if (strcmp(scansign, " ")) - wxLogMessage(wxT("Box not found")); - else { - - wxLogMessage(wxString::Format(wxT("Box found at byte %d"), scanpoint)); - - }; - - return (scanpoint); -} - -// search the jp2h box in the file -unsigned long int -searchjpeg2000headerbox(wxInputStream& stream, unsigned long int fsize) -{ - char scansign[] = "jp2h"; - unsigned long int scanpoint = 0L; - - wxLogMessage(wxT("Searching jp2h box... ")); - - /* do the parsing */ - if (jpeg2000_file_parse(stream, 0, fsize, 0, scansign, &scanpoint) < 0) - wxLogMessage(wxT("Unrecoverable error during JPEG 2000 box parsing: stopping")); - - if (strcmp(scansign, " ")) - wxLogMessage(wxT("Box not found")); - else - wxLogMessage(wxString::Format(wxT("Box found at byte %d"), scanpoint)); - - return (scanpoint); -} - -/* handling functions */ -#define ITEM_PER_ROW 10 - -/* Box handler function */ -int -jpeg2000_box_handler_function(jpeg2000boxtype boxtype, wxInputStream& stream, unsigned long int filepoint, - unsigned long int filelimit, int level, - char *scansign, unsigned long int *scanpoint) -{ - switch (boxtype) { - - /* Sample Description box */ - case (STSD_BOX): - jpeg2000_file_parse(stream, filepoint + 8, filelimit, level, scansign, scanpoint); - break; - - /* MJP2 Sample Description box */ - case (MJP2_BOX): - jpeg2000_file_parse(stream, filepoint + 78, filelimit, level, scansign, scanpoint); - break; - - /* not yet implemented */ - default: - break; - - }; - - return (0); -} - -// the jP and ftyp parts of the header -#define jpeg2000headSIZE 32 -unsigned char jpeg2000head[jpeg2000headSIZE] = { - 0x00, 0x00, 0x00, 0x0C, 'j', 'P', ' ', ' ', - 0x0D, 0x0A, 0x87, 0x0A, 0x00, 0x00, 0x00, 0x14, - 'f', 't', 'y', 'p', 'j', 'p', '2', ' ', - 0x00, 0x00, 0x00, 0x00, 'j', 'p', '2', ' ' -}; - -///////////////////////////////////////////////// -///////////////////////////////////////////////// - -// load the jpeg2000 file format -bool wxJPEG2000Handler::LoadFile(wxImage *image, wxInputStream& stream, bool verbose, int index) -{ - opj_dparameters_t parameters; /* decompression parameters */ - opj_event_mgr_t event_mgr; /* event manager */ - opj_image_t *opjimage = NULL; - unsigned char *src = NULL; - unsigned char *ptr; - int file_length, jp2c_point, jp2h_point; - unsigned long int jp2hboxlen, jp2cboxlen; - opj_codestream_info_t cstr_info; /* Codestream information structure */ - unsigned char hdr[24]; - int jpfamform; - - // destroy the image - image->Destroy(); - - /* read the beginning of the file to check the type */ - if (!stream.Read(hdr, WXSIZEOF(hdr))) - return false; - if ((jpfamform = jpeg2000familytype(hdr, WXSIZEOF(hdr))) < 0) - return false; - stream.SeekI(0, wxFromStart); - - /* handle to a decompressor */ - opj_dinfo_t* dinfo = NULL; - opj_cio_t *cio = NULL; - - /* configure the event callbacks */ - memset(&event_mgr, 0, sizeof(opj_event_mgr_t)); - event_mgr.error_handler = jpeg2000_error_callback; - event_mgr.warning_handler = jpeg2000_warning_callback; - event_mgr.info_handler = jpeg2000_info_callback; - - /* set decoding parameters to default values */ - opj_set_default_decoder_parameters(¶meters); - - /* prepare parameters */ - strncpy(parameters.infile, "", sizeof(parameters.infile) - 1); - strncpy(parameters.outfile, "", sizeof(parameters.outfile) - 1); - parameters.decod_format = jpfamform; - parameters.cod_format = BMP_DFMT; - if (m_reducefactor) - parameters.cp_reduce = m_reducefactor; - if (m_qualitylayers) - parameters.cp_layer = m_qualitylayers; - /*if (n_components) - parameters. = n_components;*/ - - /* JPWL only */ -#ifdef USE_JPWL - parameters.jpwl_exp_comps = m_expcomps; - parameters.jpwl_max_tiles = m_maxtiles; - parameters.jpwl_correct = m_enablejpwl; -#endif /* USE_JPWL */ - - /* get a decoder handle */ - if (jpfamform == JP2_CFMT || jpfamform == MJ2_CFMT) - dinfo = opj_create_decompress(CODEC_JP2); - else if (jpfamform == J2K_CFMT) - dinfo = opj_create_decompress(CODEC_J2K); - else - return false; - - /* find length of the stream */ - stream.SeekI(0, wxFromEnd); - file_length = (int) stream.TellI(); - - /* it's a movie */ - if (jpfamform == MJ2_CFMT) { - /* search for the first codestream box and the movie header box */ - jp2c_point = searchjpeg2000c(stream, file_length, m_framenum); - jp2h_point = searchjpeg2000headerbox(stream, file_length); - - // read the jp2h box and store it - stream.SeekI(jp2h_point, wxFromStart); - stream.Read(&jp2hboxlen, sizeof(unsigned long int)); - jp2hboxlen = BYTE_SWAP4(jp2hboxlen); - - // read the jp2c box and store it - stream.SeekI(jp2c_point, wxFromStart); - stream.Read(&jp2cboxlen, sizeof(unsigned long int)); - jp2cboxlen = BYTE_SWAP4(jp2cboxlen); - - // malloc memory source - src = (unsigned char *) malloc(jpeg2000headSIZE + jp2hboxlen + jp2cboxlen); - - // copy the jP and ftyp - memcpy(src, jpeg2000head, jpeg2000headSIZE); - - // copy the jp2h - stream.SeekI(jp2h_point, wxFromStart); - stream.Read(&src[jpeg2000headSIZE], jp2hboxlen); - - // copy the jp2c - stream.SeekI(jp2c_point, wxFromStart); - stream.Read(&src[jpeg2000headSIZE + jp2hboxlen], jp2cboxlen); - } else if (jpfamform == JP2_CFMT || jpfamform == J2K_CFMT) { - /* It's a plain image */ - /* get data */ - stream.SeekI(0, wxFromStart); - src = (unsigned char *) malloc(file_length); - stream.Read(src, file_length); - } else - return false; - - /* catch events using our callbacks and give a local context */ - opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr); - - /* setup the decoder decoding parameters using user parameters */ - opj_setup_decoder(dinfo, ¶meters); - - /* open a byte stream */ - if (jpfamform == MJ2_CFMT) - cio = opj_cio_open((opj_common_ptr)dinfo, src, jpeg2000headSIZE + jp2hboxlen + jp2cboxlen); - else if (jpfamform == JP2_CFMT || jpfamform == J2K_CFMT) - cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length); - else { - free(src); - return false; - } - - /* decode the stream and fill the image structure */ - opjimage = opj_decode_with_info(dinfo, cio, &cstr_info); - if (!opjimage) { - wxMutexGuiEnter(); - wxLogError(wxT("JPEG 2000 failed to decode image!")); - wxMutexGuiLeave(); - opj_destroy_decompress(dinfo); - opj_cio_close(cio); - free(src); - return false; - } - - /* close the byte stream */ - opj_cio_close(cio); - - /* - - - At this point, we have the structure "opjimage" that is filled with decompressed - data, as processed by the OpenJPEG decompression engine - - - We need to fill the class "image" with the proper pixel sample values - - */ - { - int shiftbpp; - int c, tempcomps; - - // check components number - if (m_components > opjimage->numcomps) - m_components = opjimage->numcomps; - - // check image depth (only on the first one, for now) - if (m_components) - shiftbpp = opjimage->comps[m_components - 1].prec - 8; - else - shiftbpp = opjimage->comps[0].prec - 8; - - // prepare image size - if (m_components) - image->Create(opjimage->comps[m_components - 1].w, opjimage->comps[m_components - 1].h, true); - else - image->Create(opjimage->comps[0].w, opjimage->comps[0].h, true); - - // access image raw data - image->SetMask(false); - ptr = image->GetData(); - - // workaround for components different from 1 or 3 - if ((opjimage->numcomps != 1) && (opjimage->numcomps != 3)) { -#ifndef __WXGTK__ - wxMutexGuiEnter(); -#endif /* __WXGTK__ */ - wxLogMessage(wxT("JPEG2000: weird number of components")); -#ifndef __WXGTK__ - wxMutexGuiLeave(); -#endif /* __WXGTK__ */ - tempcomps = 1; - } else - tempcomps = opjimage->numcomps; - - // workaround for subsampled components - for (c = 1; c < tempcomps; c++) { - if ((opjimage->comps[c].w != opjimage->comps[c - 1].w) || (opjimage->comps[c].h != opjimage->comps[c - 1].h)) { - tempcomps = 1; - break; - } - } - - // workaround for different precision components - for (c = 1; c < tempcomps; c++) { - if (opjimage->comps[c].bpp != opjimage->comps[c - 1].bpp) { - tempcomps = 1; - break; - } - } - - // only one component selected - if (m_components) - tempcomps = 1; - - // RGB color picture - if (tempcomps == 3) { - int row, col; - int *r = opjimage->comps[0].data; - int *g = opjimage->comps[1].data; - int *b = opjimage->comps[2].data; - if (shiftbpp > 0) { - for (row = 0; row < opjimage->comps[0].h; row++) { - for (col = 0; col < opjimage->comps[0].w; col++) { - - *(ptr++) = (*(r++)) >> shiftbpp; - *(ptr++) = (*(g++)) >> shiftbpp; - *(ptr++) = (*(b++)) >> shiftbpp; - - } - } - - } else if (shiftbpp < 0) { - for (row = 0; row < opjimage->comps[0].h; row++) { - for (col = 0; col < opjimage->comps[0].w; col++) { - - *(ptr++) = (*(r++)) << -shiftbpp; - *(ptr++) = (*(g++)) << -shiftbpp; - *(ptr++) = (*(b++)) << -shiftbpp; - - } - } - - } else { - for (row = 0; row < opjimage->comps[0].h; row++) { - for (col = 0; col < opjimage->comps[0].w; col++) { - - *(ptr++) = *(r++); - *(ptr++) = *(g++); - *(ptr++) = *(b++); - - } - } - } - } - - // B/W picture - if (tempcomps == 1) { - int row, col; - int selcomp; - - if (m_components) - selcomp = m_components - 1; - else - selcomp = 0; - - int *y = opjimage->comps[selcomp].data; - if (shiftbpp > 0) { - for (row = 0; row < opjimage->comps[selcomp].h; row++) { - for (col = 0; col < opjimage->comps[selcomp].w; col++) { - - *(ptr++) = (*(y)) >> shiftbpp; - *(ptr++) = (*(y)) >> shiftbpp; - *(ptr++) = (*(y++)) >> shiftbpp; - - } - } - } else if (shiftbpp < 0) { - for (row = 0; row < opjimage->comps[selcomp].h; row++) { - for (col = 0; col < opjimage->comps[selcomp].w; col++) { - - *(ptr++) = (*(y)) << -shiftbpp; - *(ptr++) = (*(y)) << -shiftbpp; - *(ptr++) = (*(y++)) << -shiftbpp; - - } - } - } else { - for (row = 0; row < opjimage->comps[selcomp].h; row++) { - for (col = 0; col < opjimage->comps[selcomp].w; col++) { - - *(ptr++) = *(y); - *(ptr++) = *(y); - *(ptr++) = *(y++); - - } - } - } - } - - - } - - wxMutexGuiEnter(); - wxLogMessage(wxT("JPEG 2000 image loaded.")); - wxMutexGuiLeave(); - - /* close openjpeg structs */ - opj_destroy_decompress(dinfo); - opj_image_destroy(opjimage); - free(src); - - if (!image->Ok()) - return false; - else - return true; - -} - -#define CINEMA_24_CS 1302083 /* Codestream length for 24fps */ -#define CINEMA_48_CS 651041 /* Codestream length for 48fps */ -#define COMP_24_CS 1041666 /* Maximum size per color component for 2K & 4K @ 24fps */ -#define COMP_48_CS 520833 /* Maximum size per color component for 2K @ 48fps */ - -// save the j2k codestream -bool wxJPEG2000Handler::SaveFile( wxImage *wimage, wxOutputStream& stream, bool verbose ) -{ - opj_cparameters_t parameters; /* compression parameters */ - opj_event_mgr_t event_mgr; /* event manager */ - opj_image_t *oimage = NULL; - opj_image_cmptparm_t *cmptparm; - opj_cio_t *cio = NULL; - opj_codestream_info_t cstr_info; - int codestream_length; - bool bSuccess; - int i; - char indexfilename[OPJ_PATH_LEN] = ""; /* index file name */ - - /* - configure the event callbacks (not required) - setting of each callback is optionnal - */ - memset(&event_mgr, 0, sizeof(opj_event_mgr_t)); - event_mgr.error_handler = jpeg2000_error_callback; - event_mgr.warning_handler = jpeg2000_warning_callback; - event_mgr.info_handler = jpeg2000_info_callback; - - /* set encoding parameters to default values */ - opj_set_default_encoder_parameters(¶meters); - - /* load parameters */ - parameters.cp_cinema = OFF; - - /* subsampling */ - if (sscanf(m_subsampling.ToAscii(), "%d,%d", &(parameters.subsampling_dx), &(parameters.subsampling_dy)) != 2) { - wxLogError(wxT("Wrong sub-sampling encoder setting: dx,dy")); - return false; - } - - /* compression rates */ - if ((m_rates != wxT("")) && (!m_enablequality)) { - const char *s1 = m_rates.ToAscii(); - wxLogMessage(wxT("rates %s"), s1); - while (sscanf(s1, "%f", &(parameters.tcp_rates[parameters.tcp_numlayers])) == 1) { - parameters.tcp_numlayers++; - while (*s1 && *s1 != ',') { - s1++; - } - if (!*s1) - break; - s1++; - } - wxLogMessage(wxT("%d layers"), parameters.tcp_numlayers); - parameters.cp_disto_alloc = 1; - } - - /* image quality, dB */ - if ((m_quality != wxT("")) && (m_enablequality)) { - const char *s2 = m_quality.ToAscii(); - wxLogMessage(wxT("qualities %s"), s2); - while (sscanf(s2, "%f", ¶meters.tcp_distoratio[parameters.tcp_numlayers]) == 1) { - parameters.tcp_numlayers++; - while (*s2 && *s2 != ',') { - s2++; - } - if (!*s2) - break; - s2++; - } - wxLogMessage(wxT("%d layers"), parameters.tcp_numlayers); - parameters.cp_fixed_quality = 1; - } - - /* image origin */ - if (sscanf(m_origin.ToAscii(), "%d,%d", ¶meters.image_offset_x0, ¶meters.image_offset_y0) != 2) { - wxLogError(wxT("bad coordinate of the image origin: x0,y0")); - return false; - } - - /* Create comment for codestream */ - if(m_enablecomm) { - parameters.cp_comment = (char *) malloc(strlen(m_comment.ToAscii()) + 1); - if(parameters.cp_comment) { - strcpy(parameters.cp_comment, m_comment.ToAscii()); - } - } else { - parameters.cp_comment = NULL; - } - - /* indexing file */ - if (m_enableidx) { - strncpy(indexfilename, m_index.ToAscii(), OPJ_PATH_LEN); - wxLogMessage(wxT("index file is %s"), indexfilename); - } - - /* if no rate entered, lossless by default */ - if (parameters.tcp_numlayers == 0) { - parameters.tcp_rates[0] = 0; /* MOD antonin : losslessbug */ - parameters.tcp_numlayers++; - parameters.cp_disto_alloc = 1; - } - - /* irreversible transform */ - parameters.irreversible = (m_irreversible == true) ? 1 : 0; - - /* resolutions */ - parameters.numresolution = m_resolutions; - - /* codeblocks size */ - if (m_cbsize != wxT("")) { - int cblockw_init = 0, cblockh_init = 0; - sscanf(m_cbsize.ToAscii(), "%d,%d", &cblockw_init, &cblockh_init); - if (cblockw_init * cblockh_init > 4096 || cblockw_init > 1024 || cblockw_init < 4 || cblockh_init > 1024 || cblockh_init < 4) { - wxLogError(wxT("!! Size of code_block error !! Restrictions:\n width*height<=4096\n 4<=width,height<= 1024")); - return false; - } - parameters.cblockw_init = cblockw_init; - parameters.cblockh_init = cblockh_init; - } - - /* precincts size */ - if (m_prsize != wxT("")) { - char sep; - int res_spec = 0; - char *s = (char *) m_prsize.c_str(); - do { - sep = 0; - sscanf(s, "[%d,%d]%c", ¶meters.prcw_init[res_spec], ¶meters.prch_init[res_spec], &sep); - parameters.csty |= 0x01; - res_spec++; - s = strpbrk(s, "]") + 2; - } while (sep == ','); - parameters.res_spec = res_spec; - } - - /* tiles */ - if (m_tsize != wxT("")) { - sscanf(m_tsize.ToAscii(), "%d,%d", ¶meters.cp_tdx, ¶meters.cp_tdy); - parameters.tile_size_on = true; - } - - /* tile origin */ - if (sscanf(m_torigin.ToAscii(), "%d,%d", ¶meters.cp_tx0, ¶meters.cp_ty0) != 2) { - wxLogError(wxT("tile offset setting error: X0,Y0")); - return false; - } - - /* use SOP */ - if (m_enablesop) - parameters.csty |= 0x02; - - /* use EPH */ - if (m_enableeph) - parameters.csty |= 0x04; - - /* multiple component transform */ - if (m_multicomp) - parameters.tcp_mct = 1; - else - parameters.tcp_mct = 0; - - /* mode switch */ - parameters.mode = (m_enablebypass ? 1 : 0) + (m_enablereset ? 2 : 0) - + (m_enablerestart ? 4 : 0) + (m_enablevsc ? 8 : 0) - + (m_enableerterm ? 16 : 0) + (m_enablesegmark ? 32 : 0); - - /* progression order */ - switch (m_progression) { - - /* LRCP */ - case 0: - parameters.prog_order = LRCP; - break; - - /* RLCP */ - case 1: - parameters.prog_order = RLCP; - break; - - /* RPCL */ - case 2: - parameters.prog_order = RPCL; - break; - - /* PCRL */ - case 3: - parameters.prog_order = PCRL; - break; - - /* CPRL */ - case 4: - parameters.prog_order = CPRL; - break; - - /* DCI2K24 */ - case 5: - parameters.cp_cinema = CINEMA2K_24; - parameters.cp_rsiz = CINEMA2K; - break; - - /* DCI2K48 */ - case 6: - parameters.cp_cinema = CINEMA2K_48; - parameters.cp_rsiz = CINEMA2K; - break; - - /* DCI4K */ - case 7: - parameters.cp_cinema = CINEMA4K_24; - parameters.cp_rsiz = CINEMA4K; - break; - - default: - break; - } - - /* check cinema */ - if (parameters.cp_cinema) { - - /* set up */ - parameters.tile_size_on = false; - parameters.cp_tdx=1; - parameters.cp_tdy=1; - - /*Tile part*/ - parameters.tp_flag = 'C'; - parameters.tp_on = 1; - - /*Tile and Image shall be at (0,0)*/ - parameters.cp_tx0 = 0; - parameters.cp_ty0 = 0; - parameters.image_offset_x0 = 0; - parameters.image_offset_y0 = 0; - - /*Codeblock size= 32*32*/ - parameters.cblockw_init = 32; - parameters.cblockh_init = 32; - parameters.csty |= 0x01; - - /*The progression order shall be CPRL*/ - parameters.prog_order = CPRL; - - /* No ROI */ - parameters.roi_compno = -1; - - parameters.subsampling_dx = 1; - parameters.subsampling_dy = 1; - - /* 9-7 transform */ - parameters.irreversible = 1; - - } - - /* convert wx image into opj image */ - cmptparm = (opj_image_cmptparm_t*) malloc(3 * sizeof(opj_image_cmptparm_t)); - - /* initialize opj image components */ - memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t)); - for(i = 0; i < 3; i++) { - cmptparm[i].prec = 8; - cmptparm[i].bpp = 8; - cmptparm[i].sgnd = false; - cmptparm[i].dx = parameters.subsampling_dx; - cmptparm[i].dy = parameters.subsampling_dy; - cmptparm[i].w = wimage->GetWidth(); - cmptparm[i].h = wimage->GetHeight(); - } - - /* create the image */ - oimage = opj_image_create(3, &cmptparm[0], CLRSPC_SRGB); - if(!oimage) { - if (cmptparm) - free(cmptparm); - return false; - } - - /* set image offset and reference grid */ - oimage->x0 = parameters.image_offset_x0; - oimage->y0 = parameters.image_offset_y0; - oimage->x1 = parameters.image_offset_x0 + (wimage->GetWidth() - 1) * 1 + 1; - oimage->y1 = parameters.image_offset_y0 + (wimage->GetHeight() - 1) * 1 + 1; - - /* load image data */ - unsigned char *value = wimage->GetData(); - int area = wimage->GetWidth() * wimage->GetHeight(); - for (i = 0; i < area; i++) { - oimage->comps[0].data[i] = *(value++); - oimage->comps[1].data[i] = *(value++); - oimage->comps[2].data[i] = *(value++); - } - - /* check cinema again */ - if (parameters.cp_cinema) { - int i; - float temp_rate; - opj_poc_t *POC = NULL; - - switch (parameters.cp_cinema) { - - case CINEMA2K_24: - case CINEMA2K_48: - if (parameters.numresolution > 6) { - parameters.numresolution = 6; - } - if (!((oimage->comps[0].w == 2048) | (oimage->comps[0].h == 1080))) { - wxLogWarning(wxT("Image coordinates %d x %d is not 2K compliant. JPEG Digital Cinema Profile-3 " - "(2K profile) compliance requires that at least one of coordinates match 2048 x 1080"), - oimage->comps[0].w, oimage->comps[0].h); - parameters.cp_rsiz = STD_RSIZ; - } - break; - - case CINEMA4K_24: - if (parameters.numresolution < 1) { - parameters.numresolution = 1; - } else if (parameters.numresolution > 7) { - parameters.numresolution = 7; - } - if (!((oimage->comps[0].w == 4096) | (oimage->comps[0].h == 2160))) { - wxLogWarning(wxT("Image coordinates %d x %d is not 4K compliant. JPEG Digital Cinema Profile-4" - "(4K profile) compliance requires that at least one of coordinates match 4096 x 2160"), - oimage->comps[0].w, oimage->comps[0].h); - parameters.cp_rsiz = STD_RSIZ; - } - parameters.POC[0].tile = 1; - parameters.POC[0].resno0 = 0; - parameters.POC[0].compno0 = 0; - parameters.POC[0].layno1 = 1; - parameters.POC[0].resno1 = parameters.numresolution - 1; - parameters.POC[0].compno1 = 3; - parameters.POC[0].prg1 = CPRL; - parameters.POC[1].tile = 1; - parameters.POC[1].resno0 = parameters.numresolution - 1; - parameters.POC[1].compno0 = 0; - parameters.POC[1].layno1 = 1; - parameters.POC[1].resno1 = parameters.numresolution; - parameters.POC[1].compno1 = 3; - parameters.POC[1].prg1 = CPRL; - parameters.numpocs = 2; - break; - } - - switch (parameters.cp_cinema) { - case CINEMA2K_24: - case CINEMA4K_24: - for (i = 0 ; i < parameters.tcp_numlayers; i++) { - temp_rate = 0; - if (parameters.tcp_rates[i] == 0) { - parameters.tcp_rates[0] = ((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) / - (CINEMA_24_CS * 8 * oimage->comps[0].dx * oimage->comps[0].dy); - }else{ - temp_rate = ((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) / - (parameters.tcp_rates[i] * 8 * oimage->comps[0].dx * oimage->comps[0].dy); - if (temp_rate > CINEMA_24_CS ) { - parameters.tcp_rates[i]= ((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) / - (CINEMA_24_CS * 8 * oimage->comps[0].dx * oimage->comps[0].dy); - } else { - /* do nothing */ - } - } - } - parameters.max_comp_size = COMP_24_CS; - break; - - case CINEMA2K_48: - for (i = 0; i < parameters.tcp_numlayers; i++) { - temp_rate = 0 ; - if (parameters.tcp_rates[i] == 0) { - parameters.tcp_rates[0] = ((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) / - (CINEMA_48_CS * 8 * oimage->comps[0].dx * oimage->comps[0].dy); - }else{ - temp_rate =((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) / - (parameters.tcp_rates[i] * 8 * oimage->comps[0].dx * oimage->comps[0].dy); - if (temp_rate > CINEMA_48_CS ){ - parameters.tcp_rates[0]= ((float) (oimage->numcomps * oimage->comps[0].w * oimage->comps[0].h * oimage->comps[0].prec)) / - (CINEMA_48_CS * 8 * oimage->comps[0].dx * oimage->comps[0].dy); - }else{ - /* do nothing */ - } - } - } - parameters.max_comp_size = COMP_48_CS; - break; - } - - parameters.cp_disto_alloc = 1; - } - - /* get a J2K compressor handle */ - opj_cinfo_t* cinfo = opj_create_compress(CODEC_J2K); - - /* catch events using our callbacks and give a local context */ - opj_set_event_mgr((opj_common_ptr)cinfo, &event_mgr, stderr); - - /* setup the encoder parameters using the current image and user parameters */ - opj_setup_encoder(cinfo, ¶meters, oimage); - - /* open a byte stream for writing */ - /* allocate memory for all tiles */ - cio = opj_cio_open((opj_common_ptr)cinfo, NULL, 0); - - /* encode the image */ - bSuccess = opj_encode_with_info(cinfo, cio, oimage, &cstr_info); - if (!bSuccess) { - - opj_cio_close(cio); - opj_destroy_compress(cinfo); - opj_image_destroy(oimage); - if (cmptparm) - free(cmptparm); - if(parameters.cp_comment) - free(parameters.cp_comment); - if(parameters.cp_matrice) - free(parameters.cp_matrice); - -#ifndef __WXGTK__ - wxMutexGuiEnter(); -#endif /* __WXGTK__ */ - - wxLogError(wxT("failed to encode image")); - -#ifndef __WXGTK__ - wxMutexGuiLeave(); -#endif /* __WXGTK__ */ - - return false; - } - codestream_length = cio_tell(cio); - wxLogMessage(wxT("Codestream: %d bytes"), codestream_length); - - /* write the buffer to stream */ - stream.Write(cio->buffer, codestream_length); - - /* close and free the byte stream */ - opj_cio_close(cio); - - /* Write the index to disk */ - if (*indexfilename) { - if (write_index_file(&cstr_info, indexfilename)) { - wxLogError(wxT("Failed to output index file")); - } - } - - /* free remaining compression structures */ - opj_destroy_compress(cinfo); - - /* free image data */ - opj_image_destroy(oimage); - - if (cmptparm) - free(cmptparm); - if(parameters.cp_comment) - free(parameters.cp_comment); - if(parameters.cp_matrice) - free(parameters.cp_matrice); - -#ifndef __WXGTK__ - wxMutexGuiEnter(); -#endif /* __WXGTK__ */ - - wxLogMessage(wxT("J2K: Image encoded!")); - -#ifndef __WXGTK__ - wxMutexGuiLeave(); -#endif /* __WXGTK__ */ - - return true; -} - -#ifdef __VISUALC__ - #pragma warning(default:4611) -#endif /* VC++ */ - -// recognize the JPEG 2000 family starting box or the 0xFF4F JPEG 2000 SOC marker -bool wxJPEG2000Handler::DoCanRead(wxInputStream& stream) -{ - unsigned char hdr[24]; - int jpfamform; - - if ( !stream.Read(hdr, WXSIZEOF(hdr)) ) - return false; - - jpfamform = jpeg2000familytype(hdr, WXSIZEOF(hdr)); - - return ((jpfamform == JP2_CFMT) || (jpfamform == MJ2_CFMT) || (jpfamform == J2K_CFMT)); -} - -#endif // wxUSE_STREAMS - -#endif // wxUSE_LIBOPENJPEG -- cgit v1.2.3