--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/openjpeg/src/lib/openjp2/openjpeg.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,1144 @@
+/*
+ * The copyright in this software is being made available under the 2-clauses
+ * BSD License, included below. This software may be subject to other third
+ * party and contributor rights, including patent rights, and no such rights
+ * are granted under this license.
+ *
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
+ * Copyright (c) 2012, CS Systemes d'Information, France
+ * 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.
+ */
+
+#ifdef _WIN32
+#include <windows.h>
+#endif /* _WIN32 */
+
+#include "opj_includes.h"
+
+
+/* ---------------------------------------------------------------------- */
+/* Functions to set the message handlers */
+
+OPJ_BOOL OPJ_CALLCONV opj_set_info_handler(opj_codec_t * p_codec,
+        opj_msg_callback p_callback,
+        void * p_user_data)
+{
+    opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+    if (! l_codec) {
+        return OPJ_FALSE;
+    }
+
+    l_codec->m_event_mgr.info_handler = p_callback;
+    l_codec->m_event_mgr.m_info_data = p_user_data;
+
+    return OPJ_TRUE;
+}
+
+OPJ_BOOL OPJ_CALLCONV opj_set_warning_handler(opj_codec_t * p_codec,
+        opj_msg_callback p_callback,
+        void * p_user_data)
+{
+    opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+    if (! l_codec) {
+        return OPJ_FALSE;
+    }
+
+    l_codec->m_event_mgr.warning_handler = p_callback;
+    l_codec->m_event_mgr.m_warning_data = p_user_data;
+
+    return OPJ_TRUE;
+}
+
+OPJ_BOOL OPJ_CALLCONV opj_set_error_handler(opj_codec_t * p_codec,
+        opj_msg_callback p_callback,
+        void * p_user_data)
+{
+    opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+    if (! l_codec) {
+        return OPJ_FALSE;
+    }
+
+    l_codec->m_event_mgr.error_handler = p_callback;
+    l_codec->m_event_mgr.m_error_data = p_user_data;
+
+    return OPJ_TRUE;
+}
+
+/* ---------------------------------------------------------------------- */
+
+static OPJ_SIZE_T opj_read_from_file(void * p_buffer, OPJ_SIZE_T p_nb_bytes,
+                                     void * p_user_data)
+{
+    FILE* p_file = (FILE*)p_user_data;
+    OPJ_SIZE_T l_nb_read = fread(p_buffer, 1, p_nb_bytes, (FILE*)p_file);
+    return l_nb_read ? l_nb_read : (OPJ_SIZE_T) - 1;
+}
+
+static OPJ_UINT64 opj_get_data_length_from_file(void * p_user_data)
+{
+    FILE* p_file = (FILE*)p_user_data;
+    OPJ_OFF_T file_length = 0;
+
+    OPJ_FSEEK(p_file, 0, SEEK_END);
+    file_length = (OPJ_OFF_T)OPJ_FTELL(p_file);
+    OPJ_FSEEK(p_file, 0, SEEK_SET);
+
+    return (OPJ_UINT64)file_length;
+}
+
+static OPJ_SIZE_T opj_write_from_file(void * p_buffer, OPJ_SIZE_T p_nb_bytes,
+                                      void * p_user_data)
+{
+    FILE* p_file = (FILE*)p_user_data;
+    return fwrite(p_buffer, 1, p_nb_bytes, p_file);
+}
+
+static OPJ_OFF_T opj_skip_from_file(OPJ_OFF_T p_nb_bytes, void * p_user_data)
+{
+    FILE* p_file = (FILE*)p_user_data;
+    if (OPJ_FSEEK(p_file, p_nb_bytes, SEEK_CUR)) {
+        return -1;
+    }
+
+    return p_nb_bytes;
+}
+
+static OPJ_BOOL opj_seek_from_file(OPJ_OFF_T p_nb_bytes, void * p_user_data)
+{
+    FILE* p_file = (FILE*)p_user_data;
+    if (OPJ_FSEEK(p_file, p_nb_bytes, SEEK_SET)) {
+        return OPJ_FALSE;
+    }
+
+    return OPJ_TRUE;
+}
+
+static void opj_close_from_file(void* p_user_data)
+{
+    FILE* p_file = (FILE*)p_user_data;
+    fclose(p_file);
+}
+
+/* ---------------------------------------------------------------------- */
+#ifdef _WIN32
+#ifndef OPJ_STATIC
+
+/* declaration to avoid warning: no previous prototype for 'DllMain' */
+BOOL APIENTRY
+DllMain(HINSTANCE hModule, DWORD ul_reason_for_call, LPVOID lpReserved);
+
+BOOL APIENTRY
+DllMain(HINSTANCE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
+{
+
+    OPJ_ARG_NOT_USED(lpReserved);
+    OPJ_ARG_NOT_USED(hModule);
+
+    switch (ul_reason_for_call) {
+    case DLL_PROCESS_ATTACH :
+        break;
+    case DLL_PROCESS_DETACH :
+        break;
+    case DLL_THREAD_ATTACH :
+    case DLL_THREAD_DETACH :
+        break;
+    }
+
+    return TRUE;
+}
+#endif /* OPJ_STATIC */
+#endif /* _WIN32 */
+
+/* ---------------------------------------------------------------------- */
+
+const char* OPJ_CALLCONV opj_version(void)
+{
+    return OPJ_PACKAGE_VERSION;
+}
+
+/* ---------------------------------------------------------------------- */
+/* DECOMPRESSION FUNCTIONS*/
+
+opj_codec_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT p_format)
+{
+    opj_codec_private_t *l_codec = 00;
+
+    l_codec = (opj_codec_private_t*) opj_calloc(1, sizeof(opj_codec_private_t));
+    if (!l_codec) {
+        return 00;
+    }
+
+    l_codec->is_decompressor = 1;
+
+    switch (p_format) {
+    case OPJ_CODEC_J2K:
+        l_codec->opj_dump_codec = (void (*)(void*, OPJ_INT32, FILE*)) j2k_dump;
+
+        l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*)(
+                                           void*)) j2k_get_cstr_info;
+
+        l_codec->opj_get_codec_index = (opj_codestream_index_t* (*)(
+                                            void*)) j2k_get_cstr_index;
+
+        l_codec->m_codec_data.m_decompression.opj_decode =
+            (OPJ_BOOL(*)(void *,
+                         struct opj_stream_private *,
+                         opj_image_t*, struct opj_event_mgr *)) opj_j2k_decode;
+
+        l_codec->m_codec_data.m_decompression.opj_end_decompress =
+            (OPJ_BOOL(*)(void *,
+                         struct opj_stream_private *,
+                         struct opj_event_mgr *)) opj_j2k_end_decompress;
+
+        l_codec->m_codec_data.m_decompression.opj_read_header =
+            (OPJ_BOOL(*)(struct opj_stream_private *,
+                         void *,
+                         opj_image_t **,
+                         struct opj_event_mgr *)) opj_j2k_read_header;
+
+        l_codec->m_codec_data.m_decompression.opj_destroy =
+            (void (*)(void *))opj_j2k_destroy;
+
+        l_codec->m_codec_data.m_decompression.opj_setup_decoder =
+            (void (*)(void *, opj_dparameters_t *)) opj_j2k_setup_decoder;
+
+        l_codec->m_codec_data.m_decompression.opj_decoder_set_strict_mode =
+            (void (*)(void *, OPJ_BOOL)) opj_j2k_decoder_set_strict_mode;
+
+
+        l_codec->m_codec_data.m_decompression.opj_read_tile_header =
+            (OPJ_BOOL(*)(void *,
+                         OPJ_UINT32*,
+                         OPJ_UINT32*,
+                         OPJ_INT32*, OPJ_INT32*,
+                         OPJ_INT32*, OPJ_INT32*,
+                         OPJ_UINT32*,
+                         OPJ_BOOL*,
+                         struct opj_stream_private *,
+                         struct opj_event_mgr *)) opj_j2k_read_tile_header;
+
+        l_codec->m_codec_data.m_decompression.opj_decode_tile_data =
+            (OPJ_BOOL(*)(void *,
+                         OPJ_UINT32,
+                         OPJ_BYTE*,
+                         OPJ_UINT32,
+                         struct opj_stream_private *,
+                         struct opj_event_mgr *)) opj_j2k_decode_tile;
+
+        l_codec->m_codec_data.m_decompression.opj_set_decode_area =
+            (OPJ_BOOL(*)(void *,
+                         opj_image_t*,
+                         OPJ_INT32, OPJ_INT32, OPJ_INT32, OPJ_INT32,
+                         struct opj_event_mgr *)) opj_j2k_set_decode_area;
+
+        l_codec->m_codec_data.m_decompression.opj_get_decoded_tile =
+            (OPJ_BOOL(*)(void *p_codec,
+                         opj_stream_private_t *p_cio,
+                         opj_image_t *p_image,
+                         struct opj_event_mgr * p_manager,
+                         OPJ_UINT32 tile_index)) opj_j2k_get_tile;
+
+        l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor =
+            (OPJ_BOOL(*)(void * p_codec,
+                         OPJ_UINT32 res_factor,
+                         struct opj_event_mgr * p_manager)) opj_j2k_set_decoded_resolution_factor;
+
+        l_codec->m_codec_data.m_decompression.opj_set_decoded_components =
+            (OPJ_BOOL(*)(void * p_codec,
+                         OPJ_UINT32 numcomps,
+                         const OPJ_UINT32 * comps_indices,
+                         struct opj_event_mgr * p_manager)) opj_j2k_set_decoded_components;
+
+        l_codec->opj_set_threads =
+            (OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_j2k_set_threads;
+
+        l_codec->m_codec = opj_j2k_create_decompress();
+
+        if (! l_codec->m_codec) {
+            opj_free(l_codec);
+            return NULL;
+        }
+
+        break;
+
+    case OPJ_CODEC_JP2:
+        /* get a JP2 decoder handle */
+        l_codec->opj_dump_codec = (void (*)(void*, OPJ_INT32, FILE*)) jp2_dump;
+
+        l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*)(
+                                           void*)) jp2_get_cstr_info;
+
+        l_codec->opj_get_codec_index = (opj_codestream_index_t* (*)(
+                                            void*)) jp2_get_cstr_index;
+
+        l_codec->m_codec_data.m_decompression.opj_decode =
+            (OPJ_BOOL(*)(void *,
+                         struct opj_stream_private *,
+                         opj_image_t*,
+                         struct opj_event_mgr *)) opj_jp2_decode;
+
+        l_codec->m_codec_data.m_decompression.opj_end_decompress =
+            (OPJ_BOOL(*)(void *,
+                         struct opj_stream_private *,
+                         struct opj_event_mgr *)) opj_jp2_end_decompress;
+
+        l_codec->m_codec_data.m_decompression.opj_read_header =
+            (OPJ_BOOL(*)(struct opj_stream_private *,
+                         void *,
+                         opj_image_t **,
+                         struct opj_event_mgr *)) opj_jp2_read_header;
+
+        l_codec->m_codec_data.m_decompression.opj_read_tile_header =
+            (OPJ_BOOL(*)(void *,
+                         OPJ_UINT32*,
+                         OPJ_UINT32*,
+                         OPJ_INT32*,
+                         OPJ_INT32*,
+                         OPJ_INT32 *,
+                         OPJ_INT32 *,
+                         OPJ_UINT32 *,
+                         OPJ_BOOL *,
+                         struct opj_stream_private *,
+                         struct opj_event_mgr *)) opj_jp2_read_tile_header;
+
+        l_codec->m_codec_data.m_decompression.opj_decode_tile_data =
+            (OPJ_BOOL(*)(void *,
+                         OPJ_UINT32, OPJ_BYTE*, OPJ_UINT32,
+                         struct opj_stream_private *,
+                         struct opj_event_mgr *)) opj_jp2_decode_tile;
+
+        l_codec->m_codec_data.m_decompression.opj_destroy = (void (*)(
+                    void *))opj_jp2_destroy;
+
+        l_codec->m_codec_data.m_decompression.opj_setup_decoder =
+            (void (*)(void *, opj_dparameters_t *)) opj_jp2_setup_decoder;
+
+        l_codec->m_codec_data.m_decompression.opj_decoder_set_strict_mode =
+            (void (*)(void *, OPJ_BOOL)) opj_jp2_decoder_set_strict_mode;
+
+        l_codec->m_codec_data.m_decompression.opj_set_decode_area =
+            (OPJ_BOOL(*)(void *,
+                         opj_image_t*,
+                         OPJ_INT32, OPJ_INT32, OPJ_INT32, OPJ_INT32,
+                         struct opj_event_mgr *)) opj_jp2_set_decode_area;
+
+        l_codec->m_codec_data.m_decompression.opj_get_decoded_tile =
+            (OPJ_BOOL(*)(void *p_codec,
+                         opj_stream_private_t *p_cio,
+                         opj_image_t *p_image,
+                         struct opj_event_mgr * p_manager,
+                         OPJ_UINT32 tile_index)) opj_jp2_get_tile;
+
+        l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor =
+            (OPJ_BOOL(*)(void * p_codec,
+                         OPJ_UINT32 res_factor,
+                         opj_event_mgr_t * p_manager)) opj_jp2_set_decoded_resolution_factor;
+
+        l_codec->m_codec_data.m_decompression.opj_set_decoded_components =
+            (OPJ_BOOL(*)(void * p_codec,
+                         OPJ_UINT32 numcomps,
+                         const OPJ_UINT32 * comps_indices,
+                         struct opj_event_mgr * p_manager)) opj_jp2_set_decoded_components;
+
+        l_codec->opj_set_threads =
+            (OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_jp2_set_threads;
+
+        l_codec->m_codec = opj_jp2_create(OPJ_TRUE);
+
+        if (! l_codec->m_codec) {
+            opj_free(l_codec);
+            return 00;
+        }
+
+        break;
+    case OPJ_CODEC_UNKNOWN:
+    case OPJ_CODEC_JPT:
+    default:
+        opj_free(l_codec);
+        return 00;
+    }
+
+    opj_set_default_event_handler(&(l_codec->m_event_mgr));
+    return (opj_codec_t*) l_codec;
+}
+
+void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t
+        *parameters)
+{
+    if (parameters) {
+        memset(parameters, 0, sizeof(opj_dparameters_t));
+        /* default decoding parameters */
+        parameters->cp_layer = 0;
+        parameters->cp_reduce = 0;
+
+        parameters->decod_format = -1;
+        parameters->cod_format = -1;
+        parameters->flags = 0;
+        /* UniPG>> */
+#ifdef USE_JPWL
+        parameters->jpwl_correct = OPJ_FALSE;
+        parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
+        parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
+#endif /* USE_JPWL */
+        /* <<UniPG */
+    }
+}
+
+
+OPJ_BOOL OPJ_CALLCONV opj_codec_set_threads(opj_codec_t *p_codec,
+        int num_threads)
+{
+    if (p_codec && (num_threads >= 0)) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+
+        return l_codec->opj_set_threads(l_codec->m_codec, (OPJ_UINT32)num_threads);
+    }
+    return OPJ_FALSE;
+}
+
+OPJ_BOOL OPJ_CALLCONV opj_setup_decoder(opj_codec_t *p_codec,
+                                        opj_dparameters_t *parameters
+                                       )
+{
+    if (p_codec && parameters) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+
+        if (! l_codec->is_decompressor) {
+            opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
+                          "Codec provided to the opj_setup_decoder function is not a decompressor handler.\n");
+            return OPJ_FALSE;
+        }
+
+        l_codec->m_codec_data.m_decompression.opj_setup_decoder(l_codec->m_codec,
+                parameters);
+        return OPJ_TRUE;
+    }
+    return OPJ_FALSE;
+}
+
+OPJ_BOOL OPJ_CALLCONV opj_decoder_set_strict_mode(opj_codec_t *p_codec,
+        OPJ_BOOL strict)
+{
+    if (p_codec) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+
+        if (! l_codec->is_decompressor) {
+            opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
+                          "Codec provided to the opj_decoder_set_strict_mode function is not a decompressor handler.\n");
+            return OPJ_FALSE;
+        }
+
+        l_codec->m_codec_data.m_decompression.opj_decoder_set_strict_mode(
+            l_codec->m_codec,
+            strict);
+        return OPJ_TRUE;
+    }
+    return OPJ_FALSE;
+}
+
+OPJ_BOOL OPJ_CALLCONV opj_read_header(opj_stream_t *p_stream,
+                                      opj_codec_t *p_codec,
+                                      opj_image_t **p_image)
+{
+    if (p_codec && p_stream) {
+        opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
+        opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream;
+
+        if (! l_codec->is_decompressor) {
+            opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
+                          "Codec provided to the opj_read_header function is not a decompressor handler.\n");
+            return OPJ_FALSE;
+        }
+
+        return l_codec->m_codec_data.m_decompression.opj_read_header(l_stream,
+                l_codec->m_codec,
+                p_image,
+                &(l_codec->m_event_mgr));
+    }
+
+    return OPJ_FALSE;
+}
+
+
+OPJ_BOOL OPJ_CALLCONV opj_set_decoded_components(opj_codec_t *p_codec,
+        OPJ_UINT32 numcomps,
+        const OPJ_UINT32* comps_indices,
+        OPJ_BOOL apply_color_transforms)
+{
+    if (p_codec) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+
+        if (! l_codec->is_decompressor) {
+            opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
+                          "Codec provided to the opj_set_decoded_components function is not a decompressor handler.\n");
+            return OPJ_FALSE;
+        }
+
+        if (apply_color_transforms) {
+            opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
+                          "apply_color_transforms = OPJ_TRUE is not supported.\n");
+            return OPJ_FALSE;
+        }
+
+        return  l_codec->m_codec_data.m_decompression.opj_set_decoded_components(
+                    l_codec->m_codec,
+                    numcomps,
+                    comps_indices,
+                    &(l_codec->m_event_mgr));
+    }
+    return OPJ_FALSE;
+}
+
+OPJ_BOOL OPJ_CALLCONV opj_decode(opj_codec_t *p_codec,
+                                 opj_stream_t *p_stream,
+                                 opj_image_t* p_image)
+{
+    if (p_codec && p_stream) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+        opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
+
+        if (! l_codec->is_decompressor) {
+            return OPJ_FALSE;
+        }
+
+        return l_codec->m_codec_data.m_decompression.opj_decode(l_codec->m_codec,
+                l_stream,
+                p_image,
+                &(l_codec->m_event_mgr));
+    }
+
+    return OPJ_FALSE;
+}
+
+OPJ_BOOL OPJ_CALLCONV opj_set_decode_area(opj_codec_t *p_codec,
+        opj_image_t* p_image,
+        OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
+        OPJ_INT32 p_end_x, OPJ_INT32 p_end_y
+                                         )
+{
+    if (p_codec) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+
+        if (! l_codec->is_decompressor) {
+            return OPJ_FALSE;
+        }
+
+        return  l_codec->m_codec_data.m_decompression.opj_set_decode_area(
+                    l_codec->m_codec,
+                    p_image,
+                    p_start_x, p_start_y,
+                    p_end_x, p_end_y,
+                    &(l_codec->m_event_mgr));
+    }
+    return OPJ_FALSE;
+}
+
+OPJ_BOOL OPJ_CALLCONV opj_read_tile_header(opj_codec_t *p_codec,
+        opj_stream_t * p_stream,
+        OPJ_UINT32 * p_tile_index,
+        OPJ_UINT32 * p_data_size,
+        OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
+        OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
+        OPJ_UINT32 * p_nb_comps,
+        OPJ_BOOL * p_should_go_on)
+{
+    if (p_codec && p_stream && p_data_size && p_tile_index) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+        opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
+
+        if (! l_codec->is_decompressor) {
+            return OPJ_FALSE;
+        }
+
+        return l_codec->m_codec_data.m_decompression.opj_read_tile_header(
+                   l_codec->m_codec,
+                   p_tile_index,
+                   p_data_size,
+                   p_tile_x0, p_tile_y0,
+                   p_tile_x1, p_tile_y1,
+                   p_nb_comps,
+                   p_should_go_on,
+                   l_stream,
+                   &(l_codec->m_event_mgr));
+    }
+    return OPJ_FALSE;
+}
+
+OPJ_BOOL OPJ_CALLCONV opj_decode_tile_data(opj_codec_t *p_codec,
+        OPJ_UINT32 p_tile_index,
+        OPJ_BYTE * p_data,
+        OPJ_UINT32 p_data_size,
+        opj_stream_t *p_stream
+                                          )
+{
+    if (p_codec && p_data && p_stream) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+        opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
+
+        if (! l_codec->is_decompressor) {
+            return OPJ_FALSE;
+        }
+
+        return l_codec->m_codec_data.m_decompression.opj_decode_tile_data(
+                   l_codec->m_codec,
+                   p_tile_index,
+                   p_data,
+                   p_data_size,
+                   l_stream,
+                   &(l_codec->m_event_mgr));
+    }
+    return OPJ_FALSE;
+}
+
+OPJ_BOOL OPJ_CALLCONV opj_get_decoded_tile(opj_codec_t *p_codec,
+        opj_stream_t *p_stream,
+        opj_image_t *p_image,
+        OPJ_UINT32 tile_index)
+{
+    if (p_codec && p_stream) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+        opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
+
+        if (! l_codec->is_decompressor) {
+            return OPJ_FALSE;
+        }
+
+        return l_codec->m_codec_data.m_decompression.opj_get_decoded_tile(
+                   l_codec->m_codec,
+                   l_stream,
+                   p_image,
+                   &(l_codec->m_event_mgr),
+                   tile_index);
+    }
+
+    return OPJ_FALSE;
+}
+
+OPJ_BOOL OPJ_CALLCONV opj_set_decoded_resolution_factor(opj_codec_t *p_codec,
+        OPJ_UINT32 res_factor)
+{
+    opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+
+    if (!l_codec) {
+        return OPJ_FALSE;
+    }
+
+    return l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor(
+               l_codec->m_codec,
+               res_factor,
+               &(l_codec->m_event_mgr));
+}
+
+/* ---------------------------------------------------------------------- */
+/* COMPRESSION FUNCTIONS*/
+
+opj_codec_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT p_format)
+{
+    opj_codec_private_t *l_codec = 00;
+
+    l_codec = (opj_codec_private_t*)opj_calloc(1, sizeof(opj_codec_private_t));
+    if (!l_codec) {
+        return 00;
+    }
+
+    l_codec->is_decompressor = 0;
+
+    switch (p_format) {
+    case OPJ_CODEC_J2K:
+        l_codec->m_codec_data.m_compression.opj_encode = (OPJ_BOOL(*)(void *,
+                struct opj_stream_private *,
+                struct opj_event_mgr *)) opj_j2k_encode;
+
+        l_codec->m_codec_data.m_compression.opj_end_compress = (OPJ_BOOL(*)(void *,
+                struct opj_stream_private *,
+                struct opj_event_mgr *)) opj_j2k_end_compress;
+
+        l_codec->m_codec_data.m_compression.opj_start_compress = (OPJ_BOOL(*)(void *,
+                struct opj_stream_private *,
+                struct opj_image *,
+                struct opj_event_mgr *)) opj_j2k_start_compress;
+
+        l_codec->m_codec_data.m_compression.opj_write_tile = (OPJ_BOOL(*)(void *,
+                OPJ_UINT32,
+                OPJ_BYTE*,
+                OPJ_UINT32,
+                struct opj_stream_private *,
+                struct opj_event_mgr *)) opj_j2k_write_tile;
+
+        l_codec->m_codec_data.m_compression.opj_destroy = (void (*)(
+                    void *)) opj_j2k_destroy;
+
+        l_codec->m_codec_data.m_compression.opj_setup_encoder = (OPJ_BOOL(*)(void *,
+                opj_cparameters_t *,
+                struct opj_image *,
+                struct opj_event_mgr *)) opj_j2k_setup_encoder;
+
+        l_codec->m_codec_data.m_compression.opj_encoder_set_extra_options = (OPJ_BOOL(
+                    *)(void *,
+                       const char* const*,
+                       struct opj_event_mgr *)) opj_j2k_encoder_set_extra_options;
+
+        l_codec->opj_set_threads =
+            (OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_j2k_set_threads;
+
+        l_codec->m_codec = opj_j2k_create_compress();
+        if (! l_codec->m_codec) {
+            opj_free(l_codec);
+            return 00;
+        }
+
+        break;
+
+    case OPJ_CODEC_JP2:
+        /* get a JP2 decoder handle */
+        l_codec->m_codec_data.m_compression.opj_encode = (OPJ_BOOL(*)(void *,
+                struct opj_stream_private *,
+                struct opj_event_mgr *)) opj_jp2_encode;
+
+        l_codec->m_codec_data.m_compression.opj_end_compress = (OPJ_BOOL(*)(void *,
+                struct opj_stream_private *,
+                struct opj_event_mgr *)) opj_jp2_end_compress;
+
+        l_codec->m_codec_data.m_compression.opj_start_compress = (OPJ_BOOL(*)(void *,
+                struct opj_stream_private *,
+                struct opj_image *,
+                struct opj_event_mgr *))  opj_jp2_start_compress;
+
+        l_codec->m_codec_data.m_compression.opj_write_tile = (OPJ_BOOL(*)(void *,
+                OPJ_UINT32,
+                OPJ_BYTE*,
+                OPJ_UINT32,
+                struct opj_stream_private *,
+                struct opj_event_mgr *)) opj_jp2_write_tile;
+
+        l_codec->m_codec_data.m_compression.opj_destroy = (void (*)(
+                    void *)) opj_jp2_destroy;
+
+        l_codec->m_codec_data.m_compression.opj_setup_encoder = (OPJ_BOOL(*)(void *,
+                opj_cparameters_t *,
+                struct opj_image *,
+                struct opj_event_mgr *)) opj_jp2_setup_encoder;
+
+        l_codec->m_codec_data.m_compression.opj_encoder_set_extra_options = (OPJ_BOOL(
+                    *)(void *,
+                       const char* const*,
+                       struct opj_event_mgr *)) opj_jp2_encoder_set_extra_options;
+
+        l_codec->opj_set_threads =
+            (OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_jp2_set_threads;
+
+        l_codec->m_codec = opj_jp2_create(OPJ_FALSE);
+        if (! l_codec->m_codec) {
+            opj_free(l_codec);
+            return 00;
+        }
+
+        break;
+
+    case OPJ_CODEC_UNKNOWN:
+    case OPJ_CODEC_JPT:
+    default:
+        opj_free(l_codec);
+        return 00;
+    }
+
+    opj_set_default_event_handler(&(l_codec->m_event_mgr));
+    return (opj_codec_t*) l_codec;
+}
+
+void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t
+        *parameters)
+{
+    if (parameters) {
+        memset(parameters, 0, sizeof(opj_cparameters_t));
+        /* default coding parameters */
+        parameters->cp_cinema = OPJ_OFF; /* DEPRECATED */
+        parameters->rsiz = OPJ_PROFILE_NONE;
+        parameters->max_comp_size = 0;
+        parameters->numresolution = OPJ_COMP_PARAM_DEFAULT_NUMRESOLUTION;
+        parameters->cp_rsiz = OPJ_STD_RSIZ; /* DEPRECATED */
+        parameters->cblockw_init = OPJ_COMP_PARAM_DEFAULT_CBLOCKW;
+        parameters->cblockh_init = OPJ_COMP_PARAM_DEFAULT_CBLOCKH;
+        parameters->prog_order = OPJ_COMP_PARAM_DEFAULT_PROG_ORDER;
+        parameters->roi_compno = -1;        /* no ROI */
+        parameters->subsampling_dx = 1;
+        parameters->subsampling_dy = 1;
+        parameters->tp_on = 0;
+        parameters->decod_format = -1;
+        parameters->cod_format = -1;
+        parameters->tcp_rates[0] = 0;
+        parameters->tcp_numlayers = 0;
+        parameters->cp_disto_alloc = 0;
+        parameters->cp_fixed_alloc = 0;
+        parameters->cp_fixed_quality = 0;
+        parameters->jpip_on = OPJ_FALSE;
+        /* UniPG>> */
+#ifdef USE_JPWL
+        parameters->jpwl_epc_on = OPJ_FALSE;
+        parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
+        {
+            int i;
+            for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
+                parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
+                parameters->jpwl_hprot_TPH[i] = 0; /* absent */
+            }
+        };
+        {
+            int i;
+            for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
+                parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
+                parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
+                parameters->jpwl_pprot[i] = 0; /* absent */
+            }
+        };
+        parameters->jpwl_sens_size = 0; /* 0 means no ESD */
+        parameters->jpwl_sens_addr = 0; /* 0 means auto */
+        parameters->jpwl_sens_range = 0; /* 0 means packet */
+        parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
+        {
+            int i;
+            for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
+                parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
+                parameters->jpwl_sens_TPH[i] = -1; /* absent */
+            }
+        };
+#endif /* USE_JPWL */
+        /* <<UniPG */
+    }
+}
+
+OPJ_BOOL OPJ_CALLCONV opj_setup_encoder(opj_codec_t *p_codec,
+                                        opj_cparameters_t *parameters,
+                                        opj_image_t *p_image)
+{
+    if (p_codec && parameters && p_image) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+
+        if (! l_codec->is_decompressor) {
+            return l_codec->m_codec_data.m_compression.opj_setup_encoder(l_codec->m_codec,
+                    parameters,
+                    p_image,
+                    &(l_codec->m_event_mgr));
+        }
+    }
+
+    return OPJ_FALSE;
+}
+
+/* ----------------------------------------------------------------------- */
+
+OPJ_BOOL OPJ_CALLCONV opj_encoder_set_extra_options(opj_codec_t *p_codec,
+        const char* const* options)
+{
+    if (p_codec) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+
+        if (! l_codec->is_decompressor) {
+            return l_codec->m_codec_data.m_compression.opj_encoder_set_extra_options(
+                       l_codec->m_codec,
+                       options,
+                       &(l_codec->m_event_mgr));
+        }
+    }
+
+    return OPJ_FALSE;
+}
+
+/* ----------------------------------------------------------------------- */
+
+OPJ_BOOL OPJ_CALLCONV opj_start_compress(opj_codec_t *p_codec,
+        opj_image_t * p_image,
+        opj_stream_t *p_stream)
+{
+    if (p_codec && p_stream) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+        opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
+
+        if (! l_codec->is_decompressor) {
+            return l_codec->m_codec_data.m_compression.opj_start_compress(l_codec->m_codec,
+                    l_stream,
+                    p_image,
+                    &(l_codec->m_event_mgr));
+        }
+    }
+
+    return OPJ_FALSE;
+}
+
+OPJ_BOOL OPJ_CALLCONV opj_encode(opj_codec_t *p_info, opj_stream_t *p_stream)
+{
+    if (p_info && p_stream) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_info;
+        opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
+
+        if (! l_codec->is_decompressor) {
+            return l_codec->m_codec_data.m_compression.opj_encode(l_codec->m_codec,
+                    l_stream,
+                    &(l_codec->m_event_mgr));
+        }
+    }
+
+    return OPJ_FALSE;
+
+}
+
+OPJ_BOOL OPJ_CALLCONV opj_end_compress(opj_codec_t *p_codec,
+                                       opj_stream_t *p_stream)
+{
+    if (p_codec && p_stream) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+        opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
+
+        if (! l_codec->is_decompressor) {
+            return l_codec->m_codec_data.m_compression.opj_end_compress(l_codec->m_codec,
+                    l_stream,
+                    &(l_codec->m_event_mgr));
+        }
+    }
+    return OPJ_FALSE;
+
+}
+
+OPJ_BOOL OPJ_CALLCONV opj_end_decompress(opj_codec_t *p_codec,
+        opj_stream_t *p_stream)
+{
+    if (p_codec && p_stream) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+        opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
+
+        if (! l_codec->is_decompressor) {
+            return OPJ_FALSE;
+        }
+
+        return l_codec->m_codec_data.m_decompression.opj_end_decompress(
+                   l_codec->m_codec,
+                   l_stream,
+                   &(l_codec->m_event_mgr));
+    }
+
+    return OPJ_FALSE;
+}
+
+OPJ_BOOL OPJ_CALLCONV opj_set_MCT(opj_cparameters_t *parameters,
+                                  OPJ_FLOAT32 * pEncodingMatrix,
+                                  OPJ_INT32 * p_dc_shift, OPJ_UINT32 pNbComp)
+{
+    OPJ_UINT32 l_matrix_size = pNbComp * pNbComp * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
+    OPJ_UINT32 l_dc_shift_size = pNbComp * (OPJ_UINT32)sizeof(OPJ_INT32);
+    OPJ_UINT32 l_mct_total_size = l_matrix_size + l_dc_shift_size;
+
+    /* add MCT capability */
+    if (OPJ_IS_PART2(parameters->rsiz)) {
+        parameters->rsiz |= OPJ_EXTENSION_MCT;
+    } else {
+        parameters->rsiz = ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_MCT));
+    }
+    parameters->irreversible = 1;
+
+    /* use array based MCT */
+    parameters->tcp_mct = 2;
+    parameters->mct_data = opj_malloc(l_mct_total_size);
+    if (! parameters->mct_data) {
+        return OPJ_FALSE;
+    }
+
+    memcpy(parameters->mct_data, pEncodingMatrix, l_matrix_size);
+    memcpy(((OPJ_BYTE *) parameters->mct_data) +  l_matrix_size, p_dc_shift,
+           l_dc_shift_size);
+
+    return OPJ_TRUE;
+}
+
+OPJ_BOOL OPJ_CALLCONV opj_write_tile(opj_codec_t *p_codec,
+                                     OPJ_UINT32 p_tile_index,
+                                     OPJ_BYTE * p_data,
+                                     OPJ_UINT32 p_data_size,
+                                     opj_stream_t *p_stream)
+{
+    if (p_codec && p_stream && p_data) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+        opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
+
+        if (l_codec->is_decompressor) {
+            return OPJ_FALSE;
+        }
+
+        return l_codec->m_codec_data.m_compression.opj_write_tile(l_codec->m_codec,
+                p_tile_index,
+                p_data,
+                p_data_size,
+                l_stream,
+                &(l_codec->m_event_mgr));
+    }
+
+    return OPJ_FALSE;
+}
+
+/* ---------------------------------------------------------------------- */
+
+void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_codec)
+{
+    if (p_codec) {
+        opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+
+        if (l_codec->is_decompressor) {
+            l_codec->m_codec_data.m_decompression.opj_destroy(l_codec->m_codec);
+        } else {
+            l_codec->m_codec_data.m_compression.opj_destroy(l_codec->m_codec);
+        }
+
+        l_codec->m_codec = 00;
+        opj_free(l_codec);
+    }
+}
+
+/* ---------------------------------------------------------------------- */
+
+void OPJ_CALLCONV opj_dump_codec(opj_codec_t *p_codec,
+                                 OPJ_INT32 info_flag,
+                                 FILE* output_stream)
+{
+    if (p_codec) {
+        opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
+
+        l_codec->opj_dump_codec(l_codec->m_codec, info_flag, output_stream);
+        return;
+    }
+
+    /* TODO return error */
+    /* fprintf(stderr, "[ERROR] Input parameter of the dump_codec function are incorrect.\n"); */
+    return;
+}
+
+opj_codestream_info_v2_t* OPJ_CALLCONV opj_get_cstr_info(opj_codec_t *p_codec)
+{
+    if (p_codec) {
+        opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
+
+        return l_codec->opj_get_codec_info(l_codec->m_codec);
+    }
+
+    return NULL;
+}
+
+void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_v2_t **cstr_info)
+{
+    if (cstr_info) {
+
+        if ((*cstr_info)->m_default_tile_info.tccp_info) {
+            opj_free((*cstr_info)->m_default_tile_info.tccp_info);
+        }
+
+        if ((*cstr_info)->tile_info) {
+            /* FIXME not used for the moment*/
+        }
+
+        opj_free((*cstr_info));
+        (*cstr_info) = NULL;
+    }
+}
+
+opj_codestream_index_t * OPJ_CALLCONV opj_get_cstr_index(opj_codec_t *p_codec)
+{
+    if (p_codec) {
+        opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
+
+        return l_codec->opj_get_codec_index(l_codec->m_codec);
+    }
+
+    return NULL;
+}
+
+void OPJ_CALLCONV opj_destroy_cstr_index(opj_codestream_index_t **p_cstr_index)
+{
+    if (*p_cstr_index) {
+        j2k_destroy_cstr_index(*p_cstr_index);
+        (*p_cstr_index) = NULL;
+    }
+}
+
+opj_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream(
+    const char *fname, OPJ_BOOL p_is_read_stream)
+{
+    return opj_stream_create_file_stream(fname, OPJ_J2K_STREAM_CHUNK_SIZE,
+                                         p_is_read_stream);
+}
+
+opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream(
+    const char *fname,
+    OPJ_SIZE_T p_size,
+    OPJ_BOOL p_is_read_stream)
+{
+    opj_stream_t* l_stream = 00;
+    FILE *p_file;
+    const char *mode;
+
+    if (! fname) {
+        return NULL;
+    }
+
+    if (p_is_read_stream) {
+        mode = "rb";
+    } else {
+        mode = "wb";
+    }
+
+    p_file = fopen(fname, mode);
+
+    if (! p_file) {
+        return NULL;
+    }
+
+    l_stream = opj_stream_create(p_size, p_is_read_stream);
+    if (! l_stream) {
+        fclose(p_file);
+        return NULL;
+    }
+
+    opj_stream_set_user_data(l_stream, p_file, opj_close_from_file);
+    opj_stream_set_user_data_length(l_stream,
+                                    opj_get_data_length_from_file(p_file));
+    opj_stream_set_read_function(l_stream, opj_read_from_file);
+    opj_stream_set_write_function(l_stream,
+                                  (opj_stream_write_fn) opj_write_from_file);
+    opj_stream_set_skip_function(l_stream, opj_skip_from_file);
+    opj_stream_set_seek_function(l_stream, opj_seek_from_file);
+
+    return l_stream;
+}
+
+
+void* OPJ_CALLCONV opj_image_data_alloc(OPJ_SIZE_T size)
+{
+    void* ret = opj_aligned_malloc(size);
+    /* printf("opj_image_data_alloc %p\n", ret); */
+    return ret;
+}
+
+void OPJ_CALLCONV opj_image_data_free(void* ptr)
+{
+    /* printf("opj_image_data_free %p\n", ptr); */
+    opj_aligned_free(ptr);
+}