145 lines
3.7 KiB
C
145 lines
3.7 KiB
C
/* Copyright (c) 2003-2004, François-Olivier Devaux
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* Copyright (c) 2003-2004, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
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* All rights reserved.
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*
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* All rights reserved.
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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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#include <openjpeg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "mj2.h"
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#include "mj2_convert.h"
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int ceildiv(int a, int b)
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{
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return (a + b - 1) / b;
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}
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int main(int argc, char **argv)
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{
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FILE *f;
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char *src, *src_name;
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char *dest, S1, S2, S3;
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int len;
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j2k_cp_t cp;
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mj2_movie_t mj2_movie;
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if (argc < 3) {
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fprintf(stderr,
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"usage: %s j2k-file image-file -reduce n (<- optional)\n",
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argv[0]);
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return 1;
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}
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f = fopen(argv[1], "rb");
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if (!f) {
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fprintf(stderr, "failed to open %s for reading\n", argv[1]);
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return 1;
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}
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dest = argv[2];
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cp.reduce_on = 0;
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cp.reduce_value = 0;
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/* OPTION REDUCE IS ACTIVE */
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if (argc == 5) {
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if (strcmp(argv[3], "-reduce")) {
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fprintf(stderr,
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"usage: options " "-reduce n"
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" where n is the factor of reduction [%s]\n", argv[3]);
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return 1;
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}
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cp.reduce_on = 1;
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sscanf(argv[4], "%d", &cp.reduce_value);
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}
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while (*dest) {
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dest++;
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}
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dest--;
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S3 = *dest;
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dest--;
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S2 = *dest;
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dest--;
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S1 = *dest;
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if (!((S1 == 'y' && S2 == 'u' && S3 == 'v')
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|| (S1 == 'Y' && S2 == 'U' && S3 == 'V'))) {
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fprintf(stderr,
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"!! Unrecognized format for outfile : %c%c%c [accept only *.yuv] !!\n",
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S1, S2, S3);
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fprintf(stderr,
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"usage: j2k-file image-file -reduce n (<- optional)\n\n");
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return 1;
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}
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fseek(f, 0, SEEK_END);
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len = ftell(f);
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fseek(f, 0, SEEK_SET);
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src = (char *) malloc(len);
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fread(src, 1, len, f);
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fclose(f);
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src_name = argv[1];
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while (*src_name) {
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src_name++;
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}
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src_name--;
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S3 = *src_name;
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src_name--;
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S2 = *src_name;
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src_name--;
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S1 = *src_name;
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/* MJ2 format */
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if ((S1 == 'm' && S2 == 'j' && S3 == '2')
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|| (S1 == 'M' && S2 == 'J' && S3 == '2')) {
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mj2_movie.num_stk = 0;
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mj2_movie.num_htk = 0;
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mj2_movie.num_vtk = 0;
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mj2_movie.mj2file = argv[1];
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if (mj2_decode(src, len, &mj2_movie, &cp, argv[2])) {
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fprintf(stderr, "mj2_to_frames: failed to decode image!\n");
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return 1;
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}
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mj2_memory_free(&mj2_movie);
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} else {
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fprintf(stderr,
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"mj2_to_frames : Unknown format image *.%c%c%c [only *.mj2]!! \n",
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S1, S2, S3);
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fprintf(stderr,
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"usage: j2k-file image-file -reduce n (<- optional)\n\n");
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return 1;
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}
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free(src);
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return 0;
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}
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