1450 lines
47 KiB
C++
1450 lines
47 KiB
C++
/*
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* Copyright (c) 2007, Digital Signal Processing Laboratory, Università degli studi di Perugia (UPG), Italy
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/////////////////////////////////////////////////////////////////////////////
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// Name: imagjpeg2000.cpp
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// Purpose: wxImage JPEG 2000 family file format handler
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// Author: Giuseppe Baruffa - based on imagjpeg.cpp, Vaclav Slavik
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// RCS-ID: $Id: imagjpeg2000.cpp,v 0.00 2008/01/31 10:58:00 MW Exp $
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// Copyright: (c) Giuseppe Baruffa
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#if wxUSE_IMAGE && wxUSE_LIBOPENJPEG
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#include "imagjpeg2000.h"
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#ifndef WX_PRECOMP
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#include "wx/log.h"
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#include "wx/app.h"
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#include "wx/intl.h"
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#include "wx/bitmap.h"
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#include "wx/module.h"
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#endif
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#include "libopenjpeg/openjpeg.h"
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#include "wx/filefn.h"
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#include "wx/wfstream.h"
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// ----------------------------------------------------------------------------
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// types
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// ----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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// wxJPEG2000Handler
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//-----------------------------------------------------------------------------
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IMPLEMENT_DYNAMIC_CLASS(wxJPEG2000Handler,wxImageHandler)
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#if wxUSE_STREAMS
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//------------- JPEG 2000 Data Source Manager
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#define J2K_CFMT 0
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#define JP2_CFMT 1
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#define JPT_CFMT 2
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#define MJ2_CFMT 3
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#define PXM_DFMT 0
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#define PGX_DFMT 1
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#define BMP_DFMT 2
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#define YUV_DFMT 3
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#define MAX_MESSAGE_LEN 200
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/* check file type */
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int
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jpeg2000familytype(unsigned char *hdr, int hdr_len)
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{
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// check length
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if (hdr_len < 24)
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return -1;
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// check format
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if (hdr[0] == 0x00 &&
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hdr[1] == 0x00 &&
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hdr[2] == 0x00 &&
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hdr[3] == 0x0C &&
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hdr[4] == 0x6A &&
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hdr[5] == 0x50 &&
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hdr[6] == 0x20 &&
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hdr[7] == 0x20 &&
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hdr[20] == 0x6A &&
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hdr[21] == 0x70 &&
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hdr[22] == 0x32)
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// JP2 file format
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return JP2_CFMT;
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else if (hdr[0] == 0x00 &&
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hdr[1] == 0x00 &&
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hdr[2] == 0x00 &&
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hdr[3] == 0x0C &&
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hdr[4] == 0x6A &&
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hdr[5] == 0x50 &&
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hdr[6] == 0x20 &&
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hdr[7] == 0x20 &&
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hdr[20] == 0x6D &&
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hdr[21] == 0x6A &&
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hdr[22] == 0x70 &&
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hdr[23] == 0x32)
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// MJ2 file format
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return MJ2_CFMT;
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else if (hdr[0] == 0xFF &&
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hdr[1] == 0x4F)
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// J2K file format
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return J2K_CFMT;
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else
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// unknown format
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return -1;
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}
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/* sample error callback expecting a FILE* client object */
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void jpeg2000_error_callback(const char *msg, void *client_data) {
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int message_len = strlen(msg) - 1;
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if (msg[message_len] != '\n')
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message_len = MAX_MESSAGE_LEN;
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#ifndef __WXGTK__
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wxMutexGuiEnter();
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#endif /* __WXGTK__ */
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wxLogMessage(wxT("[ERROR] %.*s"), message_len, msg);
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#ifndef __WXGTK__
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wxMutexGuiLeave();
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#endif /* __WXGTK__ */
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}
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/* sample warning callback expecting a FILE* client object */
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void jpeg2000_warning_callback(const char *msg, void *client_data) {
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int message_len = strlen(msg) - 1;
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if (msg[message_len] != '\n')
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message_len = MAX_MESSAGE_LEN;
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#ifndef __WXGTK__
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wxMutexGuiEnter();
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#endif /* __WXGTK__ */
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wxLogMessage(wxT("[WARNING] %.*s"), message_len, msg);
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#ifndef __WXGTK__
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wxMutexGuiLeave();
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#endif /* __WXGTK__ */
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}
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/* sample debug callback expecting no client object */
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void jpeg2000_info_callback(const char *msg, void *client_data) {
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int message_len = strlen(msg) - 1;
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if (msg[message_len] != '\n')
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message_len = MAX_MESSAGE_LEN;
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#ifndef __WXGTK__
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wxMutexGuiEnter();
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#endif /* __WXGTK__ */
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wxLogMessage(wxT("[INFO] %.*s"), message_len, msg);
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#ifndef __WXGTK__
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wxMutexGuiLeave();
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#endif /* __WXGTK__ */
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}
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/* macro functions */
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/* From little endian to big endian, 2 and 4 bytes */
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#define BYTE_SWAP2(X) ((X & 0x00FF) << 8) | ((X & 0xFF00) >> 8)
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#define BYTE_SWAP4(X) ((X & 0x000000FF) << 24) | ((X & 0x0000FF00) << 8) | ((X & 0x00FF0000) >> 8) | ((X & 0xFF000000) >> 24)
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#ifdef __WXGTK__
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#define BYTE_SWAP8(X) ((X & 0x00000000000000FFULL) << 56) | ((X & 0x000000000000FF00ULL) << 40) | \
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((X & 0x0000000000FF0000ULL) << 24) | ((X & 0x00000000FF000000ULL) << 8) | \
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((X & 0x000000FF00000000ULL) >> 8) | ((X & 0x0000FF0000000000ULL) >> 24) | \
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((X & 0x00FF000000000000ULL) >> 40) | ((X & 0xFF00000000000000ULL) >> 56)
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#else
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#define BYTE_SWAP8(X) ((X & 0x00000000000000FF) << 56) | ((X & 0x000000000000FF00) << 40) | \
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((X & 0x0000000000FF0000) << 24) | ((X & 0x00000000FF000000) << 8) | \
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((X & 0x000000FF00000000) >> 8) | ((X & 0x0000FF0000000000) >> 24) | \
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((X & 0x00FF000000000000) >> 40) | ((X & 0xFF00000000000000) >> 56)
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#endif
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/* From codestream to int values */
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#define STREAM_TO_UINT32(C, P) (((unsigned long int) (C)[(P) + 0] << 24) + \
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((unsigned long int) (C)[(P) + 1] << 16) + \
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((unsigned long int) (C)[(P) + 2] << 8) + \
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((unsigned long int) (C)[(P) + 3] << 0))
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#define STREAM_TO_UINT16(C, P) (((unsigned long int) (C)[(P) + 0] << 8) + \
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((unsigned long int) (C)[(P) + 1] << 0))
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/* defines */
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#define SHORT_DESCR_LEN 32
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#define LONG_DESCR_LEN 256
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/* enumeration for file formats */
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#define JPEG2000FILENUM 4
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typedef enum {
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JP2_FILE,
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J2K_FILE,
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MJ2_FILE,
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UNK_FILE
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} jpeg2000filetype;
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/* enumeration for the box types */
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#define JPEG2000BOXNUM 23
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typedef enum {
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FILE_BOX,
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JP_BOX,
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FTYP_BOX,
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JP2H_BOX,
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IHDR_BOX,
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COLR_BOX,
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JP2C_BOX,
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JP2I_BOX,
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XML_BOX,
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UUID_BOX,
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UINF_BOX,
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MOOV_BOX,
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MVHD_BOX,
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TRAK_BOX,
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TKHD_BOX,
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MDIA_BOX,
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MINF_BOX,
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STBL_BOX,
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STSD_BOX,
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MJP2_BOX,
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MDAT_BOX,
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ANY_BOX,
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UNK_BOX
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} jpeg2000boxtype;
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/* jpeg2000 family box signatures */
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#define FILE_SIGN ""
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#define JP_SIGN "jP\040\040"
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#define FTYP_SIGN "ftyp"
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#define JP2H_SIGN "jp2h"
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#define IHDR_SIGN "ihdr"
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#define COLR_SIGN "colr"
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#define JP2C_SIGN "jp2c"
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#define JP2I_SIGN "jp2i"
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#define XML_SIGN "xml\040"
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#define UUID_SIGN "uuid"
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#define UINF_SIGN "uinf"
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#define MOOV_SIGN "moov"
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#define MVHD_SIGN "mvhd"
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#define TRAK_SIGN "trak"
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#define TKHD_SIGN "tkhd"
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#define MDIA_SIGN "mdia"
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#define MINF_SIGN "minf"
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#define VMHD_SIGN "vmhd"
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#define STBL_SIGN "stbl"
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#define STSD_SIGN "stsd"
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#define MJP2_SIGN "mjp2"
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#define MDAT_SIGN "mdat"
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#define ANY_SIGN ""
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#define UNK_SIGN ""
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/* the box structure itself */
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struct jpeg2000boxdef {
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char value[5]; /* hexadecimal value/string*/
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char name[SHORT_DESCR_LEN]; /* short description */
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char descr[LONG_DESCR_LEN]; /* long description */
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int sbox; /* is it a superbox? */
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int req[JPEG2000FILENUM]; /* mandatory box */
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jpeg2000boxtype ins; /* contained in box... */
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};
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/* the possible boxes */
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struct jpeg2000boxdef jpeg2000box[] =
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{
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/* sign */ {FILE_SIGN,
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/* short */ "placeholder for nothing",
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/* long */ "Nothing to say",
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/* sbox */ 0,
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/* req */ {1, 1, 1},
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/* ins */ FILE_BOX},
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/* sign */ {JP_SIGN,
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/* short */ "JPEG 2000 Signature box",
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/* long */ "This box uniquely identifies the file as being part of the JPEG 2000 family of files",
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/* sbox */ 0,
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/* req */ {1, 1, 1},
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/* ins */ FILE_BOX},
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/* sign */ {FTYP_SIGN,
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/* short */ "File Type box",
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/* long */ "This box specifies file type, version and compatibility information, including specifying if this file "
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"is a conforming JP2 file or if it can be read by a conforming JP2 reader",
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/* sbox */ 0,
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/* req */ {1, 1, 1},
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/* ins */ FILE_BOX},
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/* sign */ {JP2H_SIGN,
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/* short */ "JP2 Header box",
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/* long */ "This box contains a series of boxes that contain header-type information about the file",
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/* sbox */ 1,
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/* req */ {1, 1, 1},
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/* ins */ FILE_BOX},
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/* sign */ {IHDR_SIGN,
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/* short */ "Image Header box",
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/* long */ "This box specifies the size of the image and other related fields",
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/* sbox */ 0,
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/* req */ {1, 1, 1},
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/* ins */ JP2H_BOX},
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/* sign */ {COLR_SIGN,
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/* short */ "Colour Specification box",
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/* long */ "This box specifies the colourspace of the image",
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/* sbox */ 0,
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/* req */ {1, 1, 1},
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/* ins */ JP2H_BOX},
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/* sign */ {JP2C_SIGN,
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/* short */ "Contiguous Codestream box",
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/* long */ "This box contains the codestream as defined by Annex A",
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/* sbox */ 0,
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/* req */ {1, 1, 1},
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/* ins */ FILE_BOX},
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/* sign */ {JP2I_SIGN,
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/* short */ "Intellectual Property box",
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/* long */ "This box contains intellectual property information about the image",
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/* sbox */ 0,
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/* req */ {0, 0, 0},
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/* ins */ FILE_BOX},
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/* sign */ {XML_SIGN,
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/* short */ "XML box",
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/* long */ "This box provides a tool by which vendors can add XML formatted information to a JP2 file",
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/* sbox */ 0,
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/* req */ {0, 0, 0},
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/* ins */ FILE_BOX},
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/* sign */ {UUID_SIGN,
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/* short */ "UUID box",
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/* long */ "This box provides a tool by which vendors can add additional information to a file "
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"without risking conflict with other vendors",
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/* sbox */ 0,
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/* req */ {0, 0, 0},
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/* ins */ FILE_BOX},
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/* sign */ {UINF_SIGN,
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/* short */ "UUID Info box",
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/* long */ "This box provides a tool by which a vendor may provide access to additional information associated with a UUID",
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/* sbox */ 0,
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/* req */ {0, 0, 0},
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/* ins */ FILE_BOX},
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/* sign */ {MOOV_SIGN,
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/* short */ "Movie box",
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/* long */ "This box contains the media data. In video tracks, this box would contain JPEG2000 video frames",
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/* sbox */ 1,
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/* req */ {1, 1, 1},
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/* ins */ FILE_BOX},
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/* sign */ {MVHD_SIGN,
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/* short */ "Movie Header box",
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/* long */ "This box defines overall information which is media-independent, and relevant to the entire presentation "
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"considered as a whole",
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/* sbox */ 0,
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/* req */ {1, 1, 1},
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/* ins */ MOOV_BOX},
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/* sign */ {TRAK_SIGN,
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/* short */ "Track box",
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/* long */ "This is a container box for a single track of a presentation. A presentation may consist of one or more tracks",
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/* sbox */ 1,
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/* req */ {1, 1, 1},
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/* ins */ MOOV_BOX},
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/* sign */ {TKHD_SIGN,
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/* short */ "Track Header box",
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/* long */ "This box specifies the characteristics of a single track. Exactly one Track Header Box is contained in a track",
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/* sbox */ 0,
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/* req */ {1, 1, 1},
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/* ins */ TRAK_BOX},
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/* sign */ {MDIA_SIGN,
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/* short */ "Media box",
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/* long */ "The media declaration container contains all the objects which declare information about the media data "
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"within a track",
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/* sbox */ 1,
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/* req */ {1, 1, 1},
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/* ins */ TRAK_BOX},
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/* sign */ {MINF_SIGN,
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/* short */ "Media Information box",
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/* long */ "This box contains all the objects which declare characteristic information of the media in the track",
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/* sbox */ 1,
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/* req */ {1, 1, 1},
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/* ins */ MDIA_BOX},
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/* sign */ {STBL_SIGN,
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/* short */ "Sample Table box",
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/* long */ "The sample table contains all the time and data indexing of the media samples in a track",
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/* sbox */ 1,
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/* req */ {1, 1, 1},
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/* ins */ MINF_BOX},
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/* sign */ {STSD_SIGN,
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/* short */ "Sample Description box",
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/* long */ "The sample description table gives detailed information about the coding type used, and any initialization "
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"information needed for that coding",
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/* sbox */ 0,
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/* req */ {1, 1, 1},
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/* ins */ MINF_BOX},
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/* sign */ {MJP2_SIGN,
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/* short */ "MJP2 Sample Description box",
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/* long */ "The MJP2 sample description table gives detailed information about the coding type used, and any initialization "
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"information needed for that coding",
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/* sbox */ 0,
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/* req */ {1, 1, 1},
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/* ins */ MINF_BOX},
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/* sign */ {MDAT_SIGN,
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/* short */ "Media Data box",
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/* long */ "The meta-data for a presentation is stored in the single Movie Box which occurs at the top-level of a file",
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/* sbox */ 1,
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/* req */ {1, 1, 1},
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/* ins */ FILE_BOX},
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/* sign */ {ANY_SIGN,
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/* short */ "Any box",
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/* long */ "All the existing boxes",
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/* sbox */ 0,
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/* req */ {0, 0, 0},
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/* ins */ FILE_BOX},
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/* sign */ {UNK_SIGN,
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/* short */ "Unknown Type box",
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/* long */ "The signature is not recognised to be that of an existing box",
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/* sbox */ 0,
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/* req */ {0, 0, 0},
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/* ins */ ANY_BOX}
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};
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/* declaration */
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int
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jpeg2000_box_handler_function(jpeg2000boxtype boxtype, wxInputStream& stream, unsigned long int filepoint,
|
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unsigned long int filelimit, int level, char *scansign,
|
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unsigned long int *scanpoint);
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#ifdef __WXMSW__
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typedef unsigned __int64 int8byte;
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#endif // __WXMSW__
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#ifdef __WXGTK__
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typedef unsigned long long int8byte;
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#endif // __WXGTK__
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|
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/* internal mini-search for a box signature */
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int
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jpeg2000_file_parse(wxInputStream& stream, unsigned long int filepoint, unsigned long int filelimit, int level,
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char *scansign, unsigned long int *scanpoint)
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{
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unsigned long int LBox = 0x00000000;
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char TBox[5] = "\0\0\0\0";
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int8byte XLBox = 0x0000000000000000;
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unsigned long int box_length = 0;
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int last_box = 0, box_num = 0;
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int box_type = ANY_BOX;
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unsigned char fourbytes[4];
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int box_number = 0;
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/* cycle all over the file */
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box_num = 0;
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last_box = 0;
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while (!last_box) {
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/* do not exceed file limit */
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if (filepoint >= filelimit)
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return (0);
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/* seek on file */
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if (stream.SeekI(filepoint, wxFromStart) == wxInvalidOffset)
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return (-1);
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|
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/* read the mandatory LBox, 4 bytes */
|
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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
|