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Enables the decoding of JP2 files

This commit is contained in:
Francois-Olivier Devaux 2004-07-07 07:35:34 +00:00
parent a41ed768c9
commit da88349b22
1 changed files with 17 additions and 6 deletions
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23
codec/j2k_to_image.c
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@ -31,7 +31,6 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
//#include <unistd.h>
int ceildiv(int a, int b) int ceildiv(int a, int b)
{ {
@ -50,6 +49,7 @@ int main(int argc, char **argv)
int w, wr, wrr, h, hr, hrr, max; int w, wr, wrr, h, hr, hrr, max;
int i, image_type = -1, compno, pad; int i, image_type = -1, compno, pad;
int adjust; int adjust;
jp2_struct_t * jp2_struct;
if (argc < 3) { if (argc < 3) {
fprintf(stderr, fprintf(stderr,
@ -135,20 +135,31 @@ int main(int argc, char **argv)
src_name--; src_name--;
S1 = *src_name; S1 = *src_name;
if (S1 == 'j' && S2 == '2' && S3 == 'k') { /* J2K format */
if ((S1 == 'j' && S2 == '2' && S3 == 'k') || (S1 == 'J' && S2 == '2' && S3 == 'K')) {
if (!j2k_decode(src, len, &img, &cp, option)) { if (!j2k_decode(src, len, &img, &cp, option)) {
fprintf(stderr, "j2k_to_image: failed to decode image!\n"); fprintf(stderr, "j2k_to_image: failed to decode image!\n");
return 1; return 1;
} }
} else { }
if (S1 == 'j' && S2 == 'p' && S3 == 't') { /* JP2 format */
else if ((S1 == 'j' && S2 == 'p' && S3 == '2') || (S1 == 'J' && S2 == 'P' && S3 == '2')) {
jp2_struct = (jp2_struct_t *) malloc(sizeof(jp2_struct_t));
if (jp2_decode(src,len,jp2_struct,&cp, option)) {
fprintf(stderr, "j2k_to_image: failed to decode image!\n");
return 1;
}
img = jp2_struct->image;
}
/* JPT format */
else if ((S1 == 'j' && S2 == 'p' && S3 == 't') || (S1 == 'J' && S2 == 'P' && S3 == 'T')){
if (!j2k_decode_jpt_stream(src, len, &img, &cp)) { if (!j2k_decode_jpt_stream(src, len, &img, &cp)) {
fprintf(stderr, "j2k_to_image: failed to decode image!\n"); fprintf(stderr, "j2k_to_image: failed to decode image!\n");
return 1; return 1;
} }
} else { else {
fprintf(stderr, fprintf(stderr,
"j2k_to_image : Unknown format image *.%c%c%c [only *.j2k or *.jpt]!! \n", "j2k_to_image : Unknown format image *.%c%c%c [only *.j2k, *.jp2 or *.jpt]!! \n",
S1, S2, S3); S1, S2, S3);
return 1; return 1;
} }