--- /dev/null
+/*\r
+ * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium\r
+ * Copyright (c) 2002-2007, Professor Benoit Macq\r
+ * Copyright (c) 2001-2003, David Janssens\r
+ * Copyright (c) 2002-2003, Yannick Verschueren\r
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe\r
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team\r
+ * Copyright (c) 2006-2007, Parvatha Elangovan\r
+ * Copyright (c) 2007, Patrick Piscaglia (Telemis)\r
+ * All rights reserved.\r
+ *\r
+ * Redistribution and use in source and binary forms, with or without\r
+ * modification, are permitted provided that the following conditions\r
+ * are met:\r
+ * 1. Redistributions of source code must retain the above copyright\r
+ * notice, this list of conditions and the following disclaimer.\r
+ * 2. Redistributions in binary form must reproduce the above copyright\r
+ * notice, this list of conditions and the following disclaimer in the\r
+ * documentation and/or other materials provided with the distribution.\r
+ *\r
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'\r
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE\r
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
+ * POSSIBILITY OF SUCH DAMAGE.\r
+ */\r
+#include <stdio.h>\r
+#include <string.h>\r
+#include <stdlib.h>\r
+#include <jni.h>\r
+#include <math.h>\r
+\r
+#include "openjpeg.h"\r
+#include "opj_getopt.h"\r
+#include "convert.h"\r
+#include "dirent.h"\r
+#include "org_openJpeg_OpenJPEGJavaDecoder.h"\r
+\r
+#ifndef _WIN32\r
+#define stricmp strcasecmp\r
+#define strnicmp strncasecmp\r
+#endif\r
+\r
+#include "format_defs.h"\r
+\r
+typedef struct callback_variables {\r
+ JNIEnv *env;\r
+ /** 'jclass' object used to call a Java method from the C */\r
+ jobject *jobj;\r
+ /** 'jclass' object used to call a Java method from the C */\r
+ jmethodID message_mid;\r
+ jmethodID error_mid;\r
+} callback_variables_t;\r
+\r
+typedef struct dircnt{\r
+ /** Buffer for holding images read from Directory*/\r
+ char *filename_buf;\r
+ /** Pointer to the buffer*/\r
+ char **filename;\r
+}dircnt_t;\r
+\r
+\r
+typedef struct img_folder{\r
+ /** The directory path of the folder containing input images*/\r
+ char *imgdirpath;\r
+ /** Output format*/\r
+ char *out_format;\r
+ /** Enable option*/\r
+ char set_imgdir;\r
+ /** Enable Cod Format for output*/\r
+ char set_out_format;\r
+\r
+}img_fol_t;\r
+\r
+\r
+void decode_help_display() {\r
+ fprintf(stdout,"HELP\n----\n\n");\r
+ fprintf(stdout,"- the -h option displays this help information on screen\n\n");\r
+\r
+/* UniPG>> */\r
+ fprintf(stdout,"List of parameters for the JPEG 2000 "\r
+#ifdef USE_JPWL\r
+ "+ JPWL "\r
+#endif /* USE_JPWL */\r
+ "decoder:\n");\r
+/* <<UniPG */\r
+ fprintf(stdout,"\n");\r
+ fprintf(stdout,"\n");\r
+ fprintf(stdout," -ImgDir \n");\r
+ fprintf(stdout," Image file Directory path \n");\r
+ fprintf(stdout," -OutFor \n");\r
+ fprintf(stdout," REQUIRED only if -ImgDir is used\n");\r
+ fprintf(stdout," Need to specify only format without filename <BMP> \n");\r
+ fprintf(stdout," Currently accepts PGM, PPM, PNM, PGX, BMP format\n");\r
+ fprintf(stdout," -i <compressed file>\n");\r
+ fprintf(stdout," REQUIRED only if an Input image directory not specified\n");\r
+ fprintf(stdout," Currently accepts J2K-files, JP2-files and JPT-files. The file type\n");\r
+ fprintf(stdout," is identified based on its suffix.\n");\r
+ fprintf(stdout," -o <decompressed file>\n");\r
+ fprintf(stdout," REQUIRED\n");\r
+ fprintf(stdout," Currently accepts PGM-files, PPM-files, PNM-files, PGX-files and\n");\r
+ fprintf(stdout," BMP-files. Binary data is written to the file (not ascii). If a PGX\n");\r
+ fprintf(stdout," filename is given, there will be as many output files as there are\n");\r
+ fprintf(stdout," components: an indice starting from 0 will then be appended to the\n");\r
+ fprintf(stdout," output filename, just before the \"pgx\" extension. If a PGM filename\n");\r
+ fprintf(stdout," is given and there are more than one component, only the first component\n");\r
+ fprintf(stdout," will be written to the file.\n");\r
+ fprintf(stdout," -r <reduce factor>\n");\r
+ fprintf(stdout," Set the number of highest resolution levels to be discarded. The\n");\r
+ fprintf(stdout," image resolution is effectively divided by 2 to the power of the\n");\r
+ fprintf(stdout," number of discarded levels. The reduce factor is limited by the\n");\r
+ fprintf(stdout," smallest total number of decomposition levels among tiles.\n");\r
+ fprintf(stdout," -l <number of quality layers to decode>\n");\r
+ fprintf(stdout," Set the maximum number of quality layers to decode. If there are\n");\r
+ fprintf(stdout," less quality layers than the specified number, all the quality layers\n");\r
+ fprintf(stdout," are decoded.\n");\r
+/* UniPG>> */\r
+#ifdef USE_JPWL\r
+ fprintf(stdout," -W <options>\n");\r
+ fprintf(stdout," Activates the JPWL correction capability, if the codestream complies.\n");\r
+ fprintf(stdout," Options can be a comma separated list of <param=val> tokens:\n");\r
+ fprintf(stdout," c, c=numcomps\n");\r
+ fprintf(stdout," numcomps is the number of expected components in the codestream\n");\r
+ fprintf(stdout," (search of first EPB rely upon this, default is %d)\n", JPWL_EXPECTED_COMPONENTS);\r
+#endif /* USE_JPWL */\r
+/* <<UniPG */\r
+ fprintf(stdout,"\n");\r
+}\r
+\r
+/* -------------------------------------------------------------------------- */\r
+\r
+int get_num_images(char *imgdirpath){\r
+ DIR *dir;\r
+ struct dirent* content; \r
+ int num_images = 0;\r
+\r
+ /*Reading the input images from given input directory*/\r
+\r
+ dir= opendir(imgdirpath);\r
+ if(!dir){\r
+ fprintf(stderr,"Could not open Folder %s\n",imgdirpath);\r
+ return 0;\r
+ }\r
+ \r
+ while((content=readdir(dir))!=NULL){\r
+ if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )\r
+ continue;\r
+ num_images++;\r
+ }\r
+ return num_images;\r
+}\r
+\r
+int load_images(dircnt_t *dirptr, char *imgdirpath){\r
+ DIR *dir;\r
+ struct dirent* content; \r
+ int i = 0;\r
+\r
+ /*Reading the input images from given input directory*/\r
+\r
+ dir= opendir(imgdirpath);\r
+ if(!dir){\r
+ fprintf(stderr,"Could not open Folder %s\n",imgdirpath);\r
+ return 1;\r
+ }else {\r
+ fprintf(stderr,"Folder opened successfully\n");\r
+ }\r
+ \r
+ while((content=readdir(dir))!=NULL){\r
+ if(strcmp(".",content->d_name)==0 || strcmp("..",content->d_name)==0 )\r
+ continue;\r
+\r
+ strcpy(dirptr->filename[i],content->d_name);\r
+ i++;\r
+ }\r
+ return 0; \r
+}\r
+\r
+int get_file_format(char *filename) {\r
+ unsigned int i;\r
+ static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp","tif", "raw", "tga", "j2k", "jp2", "jpt", "j2c" };\r
+ static const int format[] = { PGX_DFMT, PXM_DFMT, PXM_DFMT, PXM_DFMT, BMP_DFMT, TIF_DFMT, RAW_DFMT, TGA_DFMT, J2K_CFMT, JP2_CFMT, JPT_CFMT, J2K_CFMT };\r
+ char * ext = strrchr(filename, '.');\r
+ if (ext == NULL)\r
+ return -1;\r
+ ext++;\r
+ if(ext) {\r
+ for(i = 0; i < sizeof(format)/sizeof(*format); i++) {\r
+ if(strnicmp(ext, extension[i], 3) == 0) {\r
+ return format[i];\r
+ }\r
+ }\r
+ }\r
+\r
+ return -1;\r
+}\r
+\r
+\r
+/* -------------------------------------------------------------------------- */\r
+\r
+int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,img_fol_t *img_fol) {\r
+ /* parse the command line */\r
+ int totlen;\r
+ opj_option_t long_option[]={\r
+ {"ImgDir",REQ_ARG, NULL ,'y'},\r
+ {"OutFor",REQ_ARG, NULL ,'O'},\r
+ };\r
+\r
+/* UniPG>> */\r
+ const char optlist[] = "i:o:r:l:hx:"\r
+\r
+#ifdef USE_JPWL\r
+ "W:"\r
+#endif /* USE_JPWL */\r
+ ;\r
+ /*for (i=0; i<argc; i++) {\r
+ printf("[%s]",argv[i]);\r
+ }\r
+ printf("\n");*/\r
+\r
+/* <<UniPG */\r
+ totlen=sizeof(long_option);\r
+ img_fol->set_out_format = 0;\r
+ reset_options_reading();\r
+\r
+ while (1) {\r
+ int c = opj_getopt_long(argc, argv,optlist,long_option,totlen);\r
+ if (c == -1)\r
+ break;\r
+ switch (c) {\r
+ case 'i': /* input file */\r
+ {\r
+ char *infile = opj_optarg;\r
+ parameters->decod_format = get_file_format(infile);\r
+ switch(parameters->decod_format) {\r
+ case J2K_CFMT:\r
+ case JP2_CFMT:\r
+ case JPT_CFMT:\r
+ break;\r
+ default:\r
+ fprintf(stderr, \r
+ "!! Unrecognized format for infile : %s [accept only *.j2k, *.jp2, *.jpc or *.jpt] !!\n\n", \r
+ infile);\r
+ return 1;\r
+ }\r
+ strncpy(parameters->infile, infile, sizeof(parameters->infile)-1);\r
+ }\r
+ break;\r
+ \r
+ /* ----------------------------------------------------- */\r
+\r
+ case 'o': /* output file */\r
+ {\r
+ char *outfile = opj_optarg;\r
+ parameters->cod_format = get_file_format(outfile);\r
+ switch(parameters->cod_format) {\r
+ case PGX_DFMT:\r
+ case PXM_DFMT:\r
+ case BMP_DFMT:\r
+ case TIF_DFMT:\r
+ case RAW_DFMT:\r
+ case TGA_DFMT:\r
+ break;\r
+ default:\r
+ fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!! \n", outfile);\r
+ return 1;\r
+ }\r
+ strncpy(parameters->outfile, outfile, sizeof(parameters->outfile)-1);\r
+ }\r
+ break;\r
+ \r
+ /* ----------------------------------------------------- */\r
+\r
+ case 'O': /* output format */\r
+ {\r
+ char outformat[50];\r
+ char *of = opj_optarg;\r
+ sprintf(outformat,".%s",of);\r
+ img_fol->set_out_format = 1;\r
+ parameters->cod_format = get_file_format(outformat);\r
+ switch(parameters->cod_format) {\r
+ case PGX_DFMT:\r
+ img_fol->out_format = "pgx";\r
+ break;\r
+ case PXM_DFMT:\r
+ img_fol->out_format = "ppm";\r
+ break;\r
+ case BMP_DFMT:\r
+ img_fol->out_format = "bmp";\r
+ break;\r
+ case TIF_DFMT:\r
+ img_fol->out_format = "tif";\r
+ break;\r
+ case RAW_DFMT:\r
+ img_fol->out_format = "raw";\r
+ break;\r
+ case TGA_DFMT:\r
+ img_fol->out_format = "raw";\r
+ break;\r
+ default:\r
+ fprintf(stderr, "Unknown output format image %s [only *.pnm, *.pgm, *.ppm, *.pgx, *.bmp, *.tif, *.raw or *.tga]!! \n", outformat);\r
+ return 1;\r
+ break;\r
+ }\r
+ }\r
+ break;\r
+\r
+ /* ----------------------------------------------------- */\r
+\r
+\r
+ case 'r': /* reduce option */\r
+ {\r
+ sscanf(opj_optarg, "%d", ¶meters->cp_reduce);\r
+ }\r
+ break;\r
+ \r
+ /* ----------------------------------------------------- */\r
+ \r
+\r
+ case 'l': /* layering option */\r
+ {\r
+ sscanf(opj_optarg, "%d", ¶meters->cp_layer);\r
+ }\r
+ break;\r
+ \r
+ /* ----------------------------------------------------- */\r
+\r
+ case 'h': /* display an help description */\r
+ decode_help_display();\r
+ return 1; \r
+\r
+ /* ------------------------------------------------------ */\r
+\r
+ case 'y': /* Image Directory path */\r
+ {\r
+ img_fol->imgdirpath = (char*)malloc(strlen(opj_optarg) + 1);\r
+ strcpy(img_fol->imgdirpath,opj_optarg);\r
+ img_fol->set_imgdir=1;\r
+ }\r
+ break;\r
+ /* ----------------------------------------------------- */\r
+/* UniPG>> */\r
+#ifdef USE_JPWL\r
+ \r
+ case 'W': /* activate JPWL correction */\r
+ {\r
+ char *token = NULL;\r
+\r
+ token = strtok(opj_optarg, ",");\r
+ while(token != NULL) {\r
+\r
+ /* search expected number of components */\r
+ if (*token == 'c') {\r
+\r
+ static int compno;\r
+\r
+ compno = JPWL_EXPECTED_COMPONENTS; /* predefined no. of components */\r
+\r
+ if(sscanf(token, "c=%d", &compno) == 1) {\r
+ /* Specified */\r
+ if ((compno < 1) || (compno > 256)) {\r
+ fprintf(stderr, "ERROR -> invalid number of components c = %d\n", compno);\r
+ return 1;\r
+ }\r
+ parameters->jpwl_exp_comps = compno;\r
+\r
+ } else if (!strcmp(token, "c")) {\r
+ /* default */\r
+ parameters->jpwl_exp_comps = compno; /* auto for default size */\r
+\r
+ } else {\r
+ fprintf(stderr, "ERROR -> invalid components specified = %s\n", token);\r
+ return 1;\r
+ };\r
+ }\r
+\r
+ /* search maximum number of tiles */\r
+ if (*token == 't') {\r
+\r
+ static int tileno;\r
+\r
+ tileno = JPWL_MAXIMUM_TILES; /* maximum no. of tiles */\r
+\r
+ if(sscanf(token, "t=%d", &tileno) == 1) {\r
+ /* Specified */\r
+ if ((tileno < 1) || (tileno > JPWL_MAXIMUM_TILES)) {\r
+ fprintf(stderr, "ERROR -> invalid number of tiles t = %d\n", tileno);\r
+ return 1;\r
+ }\r
+ parameters->jpwl_max_tiles = tileno;\r
+\r
+ } else if (!strcmp(token, "t")) {\r
+ /* default */\r
+ parameters->jpwl_max_tiles = tileno; /* auto for default size */\r
+\r
+ } else {\r
+ fprintf(stderr, "ERROR -> invalid tiles specified = %s\n", token);\r
+ return 1;\r
+ };\r
+ }\r
+\r
+ /* next token or bust */\r
+ token = strtok(NULL, ",");\r
+ };\r
+ parameters->jpwl_correct = true;\r
+ fprintf(stdout, "JPWL correction capability activated\n");\r
+ fprintf(stdout, "- expecting %d components\n", parameters->jpwl_exp_comps);\r
+ }\r
+ break; \r
+#endif /* USE_JPWL */\r
+/* <<UniPG */ \r
+\r
+ /* ----------------------------------------------------- */\r
+ \r
+ default:\r
+ fprintf(stderr,"WARNING -> this option is not valid \"-%c %s\"\n",c, opj_optarg);\r
+ break;\r
+ }\r
+ }\r
+\r
+ /* No check for possible errors before the -i and -o options are of course not mandatory*/\r
+\r
+ return 0;\r
+}\r
+\r
+/* -------------------------------------------------------------------------- */\r
+\r
+/**\r
+error callback returning the message to Java andexpecting a callback_variables_t client object\r
+*/\r
+void error_callback(const char *msg, void *client_data) {\r
+ callback_variables_t* vars = (callback_variables_t*) client_data;\r
+ JNIEnv *env = vars->env;\r
+ jstring jbuffer;\r
+\r
+ jbuffer = (*env)->NewStringUTF(env, msg);\r
+ (*env)->ExceptionClear(env);\r
+ (*env)->CallVoidMethod(env, *(vars->jobj), vars->error_mid, jbuffer);\r
+\r
+ if ((*env)->ExceptionOccurred(env)) {\r
+ fprintf(stderr,"C: Exception during call back method\n");\r
+ (*env)->ExceptionDescribe(env);\r
+ (*env)->ExceptionClear(env);\r
+ }\r
+ (*env)->DeleteLocalRef(env, jbuffer);\r
+}\r
+/**\r
+warning callback returning the message to Java andexpecting a callback_variables_t client object\r
+*/\r
+void warning_callback(const char *msg, void *client_data) {\r
+ callback_variables_t* vars = (callback_variables_t*) client_data;\r
+ JNIEnv *env = vars->env;\r
+ jstring jbuffer;\r
+\r
+ jbuffer = (*env)->NewStringUTF(env, msg);\r
+ (*env)->ExceptionClear(env);\r
+ (*env)->CallVoidMethod(env, *(vars->jobj), vars->message_mid, jbuffer);\r
+ \r
+ if ((*env)->ExceptionOccurred(env)) {\r
+ fprintf(stderr,"C: Exception during call back method\n");\r
+ (*env)->ExceptionDescribe(env);\r
+ (*env)->ExceptionClear(env);\r
+ }\r
+ (*env)->DeleteLocalRef(env, jbuffer);\r
+}\r
+/**\r
+information callback returning the message to Java andexpecting a callback_variables_t client object\r
+*/\r
+void info_callback(const char *msg, void *client_data) {\r
+ callback_variables_t* vars = (callback_variables_t*) client_data;\r
+ JNIEnv *env = vars->env;\r
+ jstring jbuffer;\r
+\r
+ jbuffer = (*env)->NewStringUTF(env, msg);\r
+ (*env)->ExceptionClear(env);\r
+ (*env)->CallVoidMethod(env, *(vars->jobj), vars->message_mid, jbuffer);\r
+\r
+ if ((*env)->ExceptionOccurred(env)) {\r
+ fprintf(stderr,"C: Exception during call back method\n");\r
+ (*env)->ExceptionDescribe(env);\r
+ (*env)->ExceptionClear(env);\r
+ }\r
+ (*env)->DeleteLocalRef(env, jbuffer);\r
+}\r
+\r
+\r
+/* --------------------------------------------------------------------------\r
+ -------------------- MAIN METHOD, CALLED BY JAVA -----------------------*/\r
+JNIEXPORT jint JNICALL Java_org_openJpeg_OpenJPEGJavaDecoder_internalDecodeJ2KtoImage(JNIEnv *env, jobject obj, jobjectArray javaParameters) {\r
+ int argc; /* To simulate the command line parameters (taken from the javaParameters variable) and be able to re-use the */\r
+ char **argv; /* 'parse_cmdline_decoder' method taken from the j2k_to_image project */\r
+ opj_dparameters_t parameters; /* decompression parameters */\r
+ img_fol_t img_fol;\r
+ opj_event_mgr_t event_mgr; /* event manager */\r
+ opj_image_t *image = NULL;\r
+ FILE *fsrc = NULL;\r
+ unsigned char *src = NULL;\r
+ int file_length;\r
+ int num_images;\r
+ int i,j,imageno;\r
+ opj_dinfo_t* dinfo = NULL; /* handle to a decompressor */\r
+ opj_cio_t *cio = NULL;\r
+ int w,h;\r
+ long min_value, max_value;\r
+ short tempS; unsigned char tempUC, tempUC1, tempUC2;\r
+ // ==> Access variables to the Java member variables\r
+ jsize arraySize;\r
+ jclass cls;\r
+ jobject object;\r
+ jboolean isCopy;\r
+ jfieldID fid;\r
+ jbyteArray jba;\r
+ jshortArray jsa;\r
+ jintArray jia;\r
+ jbyte *jbBody, *ptrBBody;\r
+ jshort *jsBody, *ptrSBody;\r
+ jint *jiBody, *ptrIBody;\r
+ callback_variables_t msgErrorCallback_vars;\r
+ // <=== access variable to Java member variables */\r
+ int *ptr, *ptr1, *ptr2; // <== To transfer the decoded image to Java\r
+\r
+ /* configure the event callbacks */\r
+ memset(&event_mgr, 0, sizeof(opj_event_mgr_t)); \r
+ event_mgr.error_handler = error_callback;\r
+ event_mgr.warning_handler = warning_callback;\r
+ event_mgr.info_handler = info_callback;\r
+\r
+ // JNI reference to the calling class\r
+ cls = (*env)->GetObjectClass(env, obj);\r
+\r
+ // Pointers to be able to call a Java method for all the info and error messages\r
+ msgErrorCallback_vars.env = env;\r
+ msgErrorCallback_vars.jobj = &obj;\r
+ msgErrorCallback_vars.message_mid = (*env)->GetMethodID(env, cls, "logMessage", "(Ljava/lang/String;)V");\r
+ msgErrorCallback_vars.error_mid = (*env)->GetMethodID(env, cls, "logError", "(Ljava/lang/String;)V");\r
+\r
+ // Get the String[] containing the parameters, and converts it into a char** to simulate command line arguments.\r
+ arraySize = (*env)->GetArrayLength(env, javaParameters);\r
+ argc = (int) arraySize +1;\r
+ argv = malloc(argc*sizeof(char*));\r
+ argv[0] = "ProgramName.exe"; // The program name: useless\r
+ j=0;\r
+ for (i=1; i<argc; i++) {\r
+ object = (*env)->GetObjectArrayElement(env, javaParameters, i-1);\r
+ argv[i] = (*env)->GetStringUTFChars(env, object, &isCopy);\r
+ }\r
+\r
+ /*printf("C: decoder params = ");\r
+ for (i=0; i<argc; i++) {\r
+ printf("[%s]",argv[i]);\r
+ }\r
+ printf("\n");*/\r
+\r
+ /* set decoding parameters to default values */\r
+ opj_set_default_decoder_parameters(¶meters);\r
+ parameters.decod_format = J2K_CFMT;\r
+\r
+ /* parse input and get user encoding parameters */\r
+ if(parse_cmdline_decoder(argc, argv, ¶meters,&img_fol) == 1) {\r
+ // Release the Java arguments array\r
+ for (i=1; i<argc; i++)\r
+ (*env)->ReleaseStringUTFChars(env, (*env)->GetObjectArrayElement(env, javaParameters, i-1), argv[i]);\r
+ return -1;\r
+ }\r
+ // Release the Java arguments array\r
+ for (i=1; i<argc; i++)\r
+ (*env)->ReleaseStringUTFChars(env, (*env)->GetObjectArrayElement(env, javaParameters, i-1), argv[i]);\r
+\r
+ num_images=1;\r
+\r
+ // Get additional information from the Java object variables\r
+ fid = (*env)->GetFieldID(env, cls,"skippedResolutions", "I");\r
+ parameters.cp_reduce = (short) (*env)->GetIntField(env, obj, fid);\r
+\r
+ /*Decoding image one by one*/\r
+ for(imageno = 0; imageno < num_images ; imageno++)\r
+ {\r
+ image = NULL;\r
+ fprintf(stderr,"\n");\r
+\r
+ /* read the input file and put it in memory into the 'src' object, if the -i option is given in JavaParameters.\r
+ Implemented for debug purpose. */\r
+ /* -------------------------------------------------------------- */\r
+ if (parameters.infile && parameters.infile[0]!='\0') {\r
+ //printf("C: opening [%s]\n", parameters.infile);\r
+ fsrc = fopen(parameters.infile, "rb");\r
+ if (!fsrc) {\r
+ fprintf(stderr, "ERROR -> failed to open %s for reading\n", parameters.infile);\r
+ return 1;\r
+ }\r
+ fseek(fsrc, 0, SEEK_END);\r
+ file_length = ftell(fsrc);\r
+ fseek(fsrc, 0, SEEK_SET);\r
+ src = (unsigned char *) malloc(file_length);\r
+ fread(src, 1, file_length, fsrc);\r
+ fclose(fsrc);\r
+ //printf("C: %d bytes read from file\n",file_length);\r
+ } else {\r
+ // Preparing the transfer of the codestream from Java to C\r
+ //printf("C: before transfering codestream\n");\r
+ fid = (*env)->GetFieldID(env, cls,"compressedStream", "[B");\r
+ jba = (*env)->GetObjectField(env, obj, fid);\r
+ file_length = (*env)->GetArrayLength(env, jba);\r
+ jbBody = (*env)->GetByteArrayElements(env, jba, &isCopy);\r
+ src = (unsigned char*)jbBody;\r
+ }\r
+\r
+ /* decode the code-stream */\r
+ /* ---------------------- */\r
+\r
+ switch(parameters.decod_format) {\r
+ case J2K_CFMT:\r
+ {\r
+ /* JPEG-2000 codestream */\r
+\r
+ /* get a decoder handle */\r
+ dinfo = opj_create_decompress(CODEC_J2K);\r
+\r
+ /* catch events using our callbacks and give a local context */\r
+ opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, &msgErrorCallback_vars);\r
+\r
+ /* setup the decoder decoding parameters using user parameters */\r
+ opj_setup_decoder(dinfo, ¶meters);\r
+\r
+ /* open a byte stream */\r
+ cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);\r
+\r
+ /* decode the stream and fill the image structure */\r
+ image = opj_decode(dinfo, cio);\r
+ if(!image) {\r
+ fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");\r
+ opj_destroy_decompress(dinfo);\r
+ opj_cio_close(cio);\r
+ return 1;\r
+ }\r
+\r
+ /* close the byte stream */\r
+ opj_cio_close(cio);\r
+ }\r
+ break;\r
+\r
+ case JP2_CFMT:\r
+ {\r
+ /* JPEG 2000 compressed image data */\r
+\r
+ /* get a decoder handle */\r
+ dinfo = opj_create_decompress(CODEC_JP2);\r
+\r
+ /* catch events using our callbacks and give a local context */\r
+ opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, &msgErrorCallback_vars);\r
+\r
+ /* setup the decoder decoding parameters using the current image and user parameters */\r
+ opj_setup_decoder(dinfo, ¶meters);\r
+\r
+ /* open a byte stream */\r
+ cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);\r
+\r
+ /* decode the stream and fill the image structure */\r
+ image = opj_decode(dinfo, cio);\r
+ if(!image) {\r
+ fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");\r
+ opj_destroy_decompress(dinfo);\r
+ opj_cio_close(cio);\r
+ return 1;\r
+ }\r
+\r
+ /* close the byte stream */\r
+ opj_cio_close(cio);\r
+\r
+ }\r
+ break;\r
+\r
+ case JPT_CFMT:\r
+ {\r
+ /* JPEG 2000, JPIP */\r
+\r
+ /* get a decoder handle */\r
+ dinfo = opj_create_decompress(CODEC_JPT);\r
+\r
+ /* catch events using our callbacks and give a local context */\r
+ opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, &msgErrorCallback_vars);\r
+\r
+ /* setup the decoder decoding parameters using user parameters */\r
+ opj_setup_decoder(dinfo, ¶meters);\r
+\r
+ /* open a byte stream */\r
+ cio = opj_cio_open((opj_common_ptr)dinfo, src, file_length);\r
+\r
+ /* decode the stream and fill the image structure */\r
+ image = opj_decode(dinfo, cio);\r
+ if(!image) {\r
+ fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");\r
+ opj_destroy_decompress(dinfo);\r
+ opj_cio_close(cio);\r
+ return 1;\r
+ }\r
+\r
+ /* close the byte stream */\r
+ opj_cio_close(cio);\r
+ }\r
+ break;\r
+\r
+ default:\r
+ fprintf(stderr, "skipping file..\n");\r
+ continue;\r
+ }\r
+\r
+ /* free the memory containing the code-stream */\r
+ if (parameters.infile && parameters.infile[0]!='\0') {\r
+ free(src);\r
+ } else {\r
+ (*env)->ReleaseByteArrayElements(env, jba, jbBody, 0);\r
+ }\r
+ src = NULL;\r
+\r
+ /* create output image.\r
+ If the -o parameter is given in the JavaParameters, write the decoded version into a file.\r
+ Implemented for debug purpose. */\r
+ /* ---------------------------------- */\r
+ switch (parameters.cod_format) {\r
+ case PXM_DFMT: /* PNM PGM PPM */\r
+ if (imagetopnm(image, parameters.outfile)) {\r
+ fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);\r
+ }\r
+ else {\r
+ fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);\r
+ }\r
+ break;\r
+\r
+ case PGX_DFMT: /* PGX */\r
+ if(imagetopgx(image, parameters.outfile)){\r
+ fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);\r
+ }\r
+ else {\r
+ fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);\r
+ }\r
+ break;\r
+\r
+ case BMP_DFMT: /* BMP */\r
+ if(imagetobmp(image, parameters.outfile)){\r
+ fprintf(stdout,"Outfile %s not generated\n",parameters.outfile);\r
+ }\r
+ else {\r
+ fprintf(stdout,"Generated Outfile %s\n",parameters.outfile);\r
+ }\r
+ break;\r
+\r
+ }\r
+\r
+ // ========= Return the image to the Java structure ===============\r
+#ifdef CHECK_THRESHOLDS\r
+ printf("C: checking thresholds\n");\r
+#endif\r
+ // First compute the real with and height, in function of the resolutions decoded.\r
+ //wr = (image->comps[0].w + (1 << image->comps[0].factor) -1) >> image->comps[0].factor;\r
+ //hr = (image->comps[0].h + (1 << image->comps[0].factor) -1) >> image->comps[0].factor;\r
+ w = image->comps[0].w;\r
+ h = image->comps[0].h;\r
+\r
+ if (image->numcomps==3) { // 3 components color image\r
+ ptr = image->comps[0].data;\r
+ ptr1 = image->comps[1].data;\r
+ ptr2 = image->comps[2].data;\r
+#ifdef CHECK_THRESHOLDS \r
+ if (image->comps[0].sgnd) {\r
+ min_value = -128;\r
+ max_value = 127;\r
+ } else {\r
+ min_value = 0;\r
+ max_value = 255;\r
+ }\r
+#endif \r
+ // Get the pointer to the Java structure where the data must be copied\r
+ fid = (*env)->GetFieldID(env, cls,"image24", "[I");\r
+ jia = (*env)->GetObjectField(env, obj, fid);\r
+ jiBody = (*env)->GetIntArrayElements(env, jia, 0);\r
+ ptrIBody = jiBody;\r
+ printf("C: transfering image24: %d int to Java pointer=%d\n",image->numcomps*w*h, ptrIBody);\r
+\r
+ for (i=0; i<w*h; i++) {\r
+ tempUC = (unsigned char)(ptr[i]);\r
+ tempUC1 = (unsigned char)(ptr1[i]);\r
+ tempUC2 = (unsigned char)(ptr2[i]);\r
+#ifdef CHECK_THRESHOLDS\r
+ if (tempUC < min_value)\r
+ tempUC=min_value;\r
+ else if (tempUC > max_value)\r
+ tempUC=max_value;\r
+ if (tempUC1 < min_value)\r
+ tempUC1=min_value;\r
+ else if (tempUC1 > max_value)\r
+ tempUC1=max_value;\r
+ if (tempUC2 < min_value)\r
+ tempUC2=min_value;\r
+ else if (tempUC2 > max_value)\r
+ tempUC2=max_value;\r
+#endif\r
+ *(ptrIBody++) = (int) ( (tempUC2<<16) + (tempUC1<<8) + tempUC );\r
+ }\r
+ (*env)->ReleaseIntArrayElements(env, jia, jiBody, 0);\r
+\r
+ } else { // 1 component 8 or 16 bpp image\r
+ ptr = image->comps[0].data;\r
+ printf("C: before transfering a %d bpp image to java (length = %d)\n",image->comps[0].prec ,w*h);\r
+ if (image->comps[0].prec<=8) {\r
+ fid = (*env)->GetFieldID(env, cls,"image8", "[B");\r
+ jba = (*env)->GetObjectField(env, obj, fid);\r
+ jbBody = (*env)->GetByteArrayElements(env, jba, 0);\r
+ ptrBBody = jbBody;\r
+#ifdef CHECK_THRESHOLDS \r
+ if (image->comps[0].sgnd) {\r
+ min_value = -128;\r
+ max_value = 127;\r
+ } else {\r
+ min_value = 0;\r
+ max_value = 255;\r
+ }\r
+#endif \r
+ //printf("C: transfering %d shorts to Java image8 pointer = %d\n", wr*hr,ptrSBody);\r
+ for (i=0; i<w*h; i++) {\r
+ tempUC = (unsigned char) (ptr[i]);\r
+#ifdef CHECK_THRESHOLDS\r
+ if (tempUC<min_value)\r
+ tempUC = min_value;\r
+ else if (tempUC > max_value)\r
+ tempUC = max_value;\r
+#endif\r
+ *(ptrBBody++) = tempUC;\r
+ }\r
+ (*env)->ReleaseByteArrayElements(env, jba, jbBody, 0);\r
+ printf("C: image8 transfered to Java\n");\r
+ } else {\r
+ fid = (*env)->GetFieldID(env, cls,"image16", "[S");\r
+ jsa = (*env)->GetObjectField(env, obj, fid);\r
+ jsBody = (*env)->GetShortArrayElements(env, jsa, 0);\r
+ ptrSBody = jsBody;\r
+#ifdef CHECK_THRESHOLDS \r
+ if (image->comps[0].sgnd) {\r
+ min_value = -32768;\r
+ max_value = 32767;\r
+ } else {\r
+ min_value = 0;\r
+ max_value = 65535;\r
+ }\r
+ printf("C: minValue = %d, maxValue = %d\n", min_value, max_value);\r
+#endif \r
+ printf("C: transfering %d shorts to Java image16 pointer = %d\n", w*h,ptrSBody);\r
+ for (i=0; i<w*h; i++) {\r
+ tempS = (short) (ptr[i]);\r
+#ifdef CHECK_THRESHOLDS\r
+ if (tempS<min_value) {\r
+ printf("C: value %d truncated to %d\n", tempS, min_value);\r
+ tempS = min_value;\r
+ } else if (tempS > max_value) {\r
+ printf("C: value %d truncated to %d\n", tempS, max_value);\r
+ tempS = max_value;\r
+ }\r
+#endif\r
+ *(ptrSBody++) = tempS;\r
+ }\r
+ (*env)->ReleaseShortArrayElements(env, jsa, jsBody, 0);\r
+ printf("C: image16 completely filled\n");\r
+ }\r
+ } \r
+\r
+\r
+ /* free remaining structures */\r
+ if(dinfo) {\r
+ opj_destroy_decompress(dinfo);\r
+ }\r
+ /* free image data structure */\r
+ opj_image_destroy(image);\r
+\r
+ }\r
+ return 1; /* OK */\r
+}\r
+//end main\r
+\r