From 380a357b08be0451148adcd96ec32f1bb2e18a9a Mon Sep 17 00:00:00 2001 From: Mickael Savinaud Date: Thu, 17 Nov 2011 14:23:19 +0000 Subject: [PATCH] [trunk] WIP: clean j2k_dump and enhance j2k_dump with commit 1052 --- CHANGES | 1 + applications/codec/j2k_dump.c | 111 ++++++++++++++++++---------------- 2 files changed, 60 insertions(+), 52 deletions(-) diff --git a/CHANGES b/CHANGES index 2673c4ba..9eed0d55 100644 --- a/CHANGES +++ b/CHANGES @@ -6,6 +6,7 @@ What's New for OpenJPEG + : added November 17, 2011 ++ [mickael] WIP: clean j2k_dump and enhance j2k_dump with commit 1052. + [mickael] WIP: add a set decoded resolution factor function and update j2k_to_image help about decoded region. November 9, 2011 diff --git a/applications/codec/j2k_dump.c b/applications/codec/j2k_dump.c index 6d13bb11..86b1bc96 100644 --- a/applications/codec/j2k_dump.c +++ b/applications/codec/j2k_dump.c @@ -76,8 +76,9 @@ typedef struct img_folder{ /* Declarations */ int get_num_images(char *imgdirpath); int load_images(dircnt_t *dirptr, char *imgdirpath); -int get_file_format(char *filename); +int get_file_format(const char *filename); char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_dparameters_t *parameters); +static int infile_format(const char *fname); int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,img_fol_t *img_fol); int parse_DA_values( char* inArg, unsigned int *DA_x0, unsigned int *DA_y0, unsigned int *DA_x1, unsigned int *DA_y1); @@ -106,10 +107,6 @@ void decode_help_display(void) { fprintf(stdout," OPTIONAL\n"); fprintf(stdout," Output file where file info will be dump.\n"); fprintf(stdout," By default it will be in the stdout.\n"); - fprintf(stdout," -d \n"); /* FIXME WIP_MSD */ - fprintf(stdout," OPTIONAL\n"); - fprintf(stdout," Decoding area\n"); - fprintf(stdout," By default all tiles header are read.\n"); fprintf(stdout," -v "); /* FIXME WIP_MSD */ fprintf(stdout," OPTIONAL\n"); fprintf(stdout," Activate or not the verbose mode (display info and warning message)\n"); @@ -166,7 +163,7 @@ int load_images(dircnt_t *dirptr, char *imgdirpath){ } /* -------------------------------------------------------------------------- */ -int get_file_format(char *filename) { +int get_file_format(const char *filename) { unsigned int i; static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp","tif", "raw", "tga", "png", "j2k", "jp2", "jpt", "j2c", "jpc" }; static const int format[] = { PGX_DFMT, PXM_DFMT, PXM_DFMT, PXM_DFMT, BMP_DFMT, TIF_DFMT, RAW_DFMT, TGA_DFMT, PNG_DFMT, J2K_CFMT, JP2_CFMT, JPT_CFMT, J2K_CFMT, J2K_CFMT }; @@ -211,6 +208,60 @@ char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_dparamet return 0; } +/* -------------------------------------------------------------------------- */ +#define JP2_RFC3745_MAGIC "\x00\x00\x00\x0c\x6a\x50\x20\x20\x0d\x0a\x87\x0a" +#define JP2_MAGIC "\x0d\x0a\x87\x0a" +/* position 45: "\xff\x52" */ +#define J2K_CODESTREAM_MAGIC "\xff\x4f\xff\x51" + +static int infile_format(const char *fname) +{ + FILE *reader; + const char *s, *magic_s; + int ext_format, magic_format; + unsigned char buf[12]; + + reader = fopen(fname, "rb"); + + if (reader == NULL) + return -1; + + memset(buf, 0, 12); + unsigned int l_nb_read = fread(buf, 1, 12, reader); + fclose(reader); + if (l_nb_read != 12) + return -1; + + + + ext_format = get_file_format(fname); + + if (ext_format == JPT_CFMT) + return JPT_CFMT; + + if (memcmp(buf, JP2_RFC3745_MAGIC, 12) == 0 || memcmp(buf, JP2_MAGIC, 4) == 0) { + magic_format = JP2_CFMT; + magic_s = ".jp2"; + } + else if (memcmp(buf, J2K_CODESTREAM_MAGIC, 4) == 0) { + magic_format = J2K_CFMT; + magic_s = ".j2k or .jpc or .j2c"; + } + else + return -1; + + if (magic_format == ext_format) + return ext_format; + + s = fname + strlen(fname) - 4; + + fputs("\n===========================================\n", stderr); + fprintf(stderr, "The extension of this file is incorrect.\n" + "FOUND %s. SHOULD BE %s\n", s, magic_s); + fputs("===========================================\n", stderr); + + return magic_format; +} /* -------------------------------------------------------------------------- */ /** * Parse the command line @@ -221,7 +272,7 @@ int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,i opj_option_t long_option[]={ {"ImgDir",REQ_ARG, NULL ,'y'}, }; - const char optlist[] = "i:o:d:hv"; + const char optlist[] = "i:o:hv"; totlen=sizeof(long_option); img_fol->set_out_format = 0; @@ -233,7 +284,7 @@ int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,i case 'i': /* input file */ { char *infile = opj_optarg; - parameters->decod_format = get_file_format(infile); + parameters->decod_format = infile_format(infile); switch(parameters->decod_format) { case J2K_CFMT: break; @@ -276,19 +327,6 @@ int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,i } break; - /* ----------------------------------------------------- */ - - case 'd': /* Input decode ROI */ - { - int size_optarg = (int)strlen(opj_optarg) + 1; - char *ROI_values = (char*) malloc(size_optarg); - ROI_values[0] = '\0'; - strncpy(ROI_values, opj_optarg, strlen(opj_optarg)); - ROI_values[strlen(opj_optarg)] = '\0'; - /*printf("ROI_values = %s [%d / %d]\n", ROI_values, strlen(ROI_values), size_optarg ); */ - parse_DA_values( ROI_values, ¶meters->DA_x0, ¶meters->DA_y0, ¶meters->DA_x1, ¶meters->DA_y1); - } - break; /* ----------------------------------------------------- */ case 'v': /* Verbose mode */ @@ -330,37 +368,6 @@ int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,i return 0; } -/* -------------------------------------------------------------------------- */ -/** - * Parse decoding area input values - * separator = "," - */ -/* -------------------------------------------------------------------------- */ -int parse_DA_values( char* inArg, unsigned int *DA_x0, unsigned int *DA_y0, unsigned int *DA_x1, unsigned int *DA_y1) -{ - int it = 0; - int values[4]; - char delims[] = ","; - char *result = NULL; - result = strtok( inArg, delims ); - - while( (result != NULL) && (it < 4 ) ) { - values[it] = atoi(result); - result = strtok( NULL, delims ); - it++; - } - - if (it != 4) { - return EXIT_FAILURE; - } - else{ - *DA_x0 = values[0]; *DA_y0 = values[1]; - *DA_x1 = values[2]; *DA_y1 = values[3]; - return EXIT_SUCCESS; - } -} - - /* -------------------------------------------------------------------------- */ /** * J2K_DUMP MAIN