2 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
3 * Copyright (c) 2002-2014, Professor Benoit Macq
4 * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
29 #include "opj_includes.h"
30 #include "mj2_convert.h"
32 /* ----------------------- */
35 /* Count the number of frames */
38 /* ----------------------- */
40 unsigned int OPJ_CALLCONV yuv_num_frames(mj2_tk_t * tk, char *infile)
42 unsigned int prec_size;
43 long end_of_f, frame_size;
46 f = fopen(infile, "rb");
48 fprintf(stderr, "failed to open %s for reading\n", infile);
51 prec_size = (tk->depth + 7) / 8; /* bytes of precision */
53 frame_size = (long)(tk->w * tk->h * (1.0 + (double) 2 / (double)(
54 tk->CbCr_subsampling_dx *
55 tk->CbCr_subsampling_dy))); /* Calculate frame size */
56 frame_size *= prec_size;
58 fseek(f, 0, SEEK_END);
59 end_of_f = ftell(f); /* Calculate file size */
61 if (end_of_f < frame_size) {
63 "YUV does not contains any frame of %d x %d size\n", tk->w,
69 return (unsigned int)(end_of_f / frame_size);
72 /* ----------------------- */
77 /* ----------------------- */
79 opj_image_t * OPJ_CALLCONV mj2_image_create(mj2_tk_t * tk,
80 opj_cparameters_t *parameters)
82 opj_image_cmptparm_t cmptparm[3];
86 int subsampling_dx = parameters->subsampling_dx;
87 int subsampling_dy = parameters->subsampling_dy;
89 /* initialize image components */
90 memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
91 for (i = 0; i < numcomps; i++) {
92 cmptparm[i].prec = tk->depth;
93 cmptparm[i].bpp = tk->depth;
95 cmptparm[i].dx = i ? subsampling_dx * tk->CbCr_subsampling_dx : subsampling_dx;
96 cmptparm[i].dy = i ? subsampling_dy * tk->CbCr_subsampling_dy : subsampling_dy;
97 cmptparm[i].w = tk->w;
98 cmptparm[i].h = tk->h;
100 /* create the image */
101 img = opj_image_create(numcomps, cmptparm, CLRSPC_SRGB);
105 char OPJ_CALLCONV yuvtoimage(mj2_tk_t * tk, opj_image_t * img, int frame_num,
106 opj_cparameters_t *parameters, char* infile)
109 int offset, size, max, prec_bytes, is_16, v;
110 long end_of_f, position;
112 int subsampling_dx = parameters->subsampling_dx;
113 int subsampling_dy = parameters->subsampling_dy;
118 yuvfile = fopen(infile, "rb");
120 fprintf(stderr, "failed to open %s for readings\n", parameters->infile);
123 is_16 = (tk->depth > 8);
124 prec_bytes = (is_16 ? 2 : 1);
126 offset = (int)((double)(frame_num * tk->w * tk->h) * (1.0 +
127 1.0 * (double) 2 / (double)(tk->CbCr_subsampling_dx *
128 tk->CbCr_subsampling_dy)));
129 offset *= prec_bytes;
131 fseek(yuvfile, 0, SEEK_END);
132 end_of_f = ftell(yuvfile);
133 fseek(yuvfile, sizeof(unsigned char) * offset, SEEK_SET);
134 position = ftell(yuvfile);
135 if (position >= end_of_f) {
136 fprintf(stderr, "Cannot reach frame number %d in yuv file !!\n",
142 img->x0 = tk->Dim[0];
143 img->y0 = tk->Dim[1];
144 img->x1 = !tk->Dim[0] ? (tk->w - 1) * subsampling_dx + 1 : tk->Dim[0] +
145 (tk->w - 1) * subsampling_dx + 1;
146 img->y1 = !tk->Dim[1] ? (tk->h - 1) * subsampling_dy + 1 : tk->Dim[1] +
147 (tk->h - 1) * subsampling_dy + 1;
149 size = tk->w * tk->h * prec_bytes;
151 for (compno = 0; compno < numcomps; compno++) {
152 max = size / (img->comps[compno].dx * img->comps[compno].dy);
153 data = img->comps[compno].data;
155 for (i = 0; i < max && !feof(yuvfile); i++) {
157 fread(&uc, 1, 1, yuvfile);
161 fread(&uc, 1, 1, yuvfile);
174 /* ----------------------- */
179 /* ----------------------- */
182 opj_bool OPJ_CALLCONV imagetoyuv(opj_image_t * img, char *outfile)
186 int i, v, is_16, prec_bytes;
187 unsigned char buf[2];
189 if (img->numcomps == 3) {
190 if (img->comps[0].dx != img->comps[1].dx / 2
191 || img->comps[1].dx != img->comps[2].dx) {
193 "Error with the input image components size: cannot create yuv file)\n");
196 } else if (!(img->numcomps == 1)) {
198 "Error with the number of image components(must be one or three)\n");
202 f = fopen(outfile, "a+b");
204 fprintf(stderr, "failed to open %s for writing\n", outfile);
207 is_16 = (img->comps[0].prec > 8);
208 prec_bytes = (is_16 ? 2 : 1);
209 data = img->comps[0].data;
211 for (i = 0; i < (img->comps[0].w * img->comps[0].h); i++) {
213 buf[0] = (unsigned char)v;
216 buf[1] = (unsigned char)(v >> 8);
219 fwrite(buf, 1, prec_bytes, f);
223 if (img->numcomps == 3) {
224 data = img->comps[1].data;
226 for (i = 0; i < (img->comps[1].w * img->comps[1].h); i++) {
228 buf[0] = (unsigned char)v;
231 buf[1] = (unsigned char)(v >> 8);
234 fwrite(buf, 1, prec_bytes, f);
236 data = img->comps[2].data;
238 for (i = 0; i < (img->comps[2].w * img->comps[2].h); i++) {
240 buf[0] = (unsigned char)v;
243 buf[1] = (unsigned char)(v >> 8);
246 fwrite(buf, 1, prec_bytes, f);
248 } else if (img->numcomps == 1) {
249 /* fake CbCr values */
252 if (img->comps[0].prec == 10) {
254 } else if (img->comps[0].prec == 12) {
263 for (i = 0; i < (img->comps[0].w * img->comps[0].h * 0.25); i++) {
264 fwrite(buf, 1, prec_bytes, f);
268 for (i = 0; i < (img->comps[0].w * img->comps[0].h * 0.25); i++) {
269 fwrite(buf, 1, prec_bytes, f);
276 /* ----------------------- */
281 /* ----------------------- */
283 int OPJ_CALLCONV imagetobmp(opj_image_t * img, char *outfile)
285 int w, wr, h, hr, i, pad;
288 if (img->numcomps == 3 && img->comps[0].dx == img->comps[1].dx
289 && img->comps[1].dx == img->comps[2].dx
290 && img->comps[0].dy == img->comps[1].dy
291 && img->comps[1].dy == img->comps[2].dy
292 && img->comps[0].prec == img->comps[1].prec
293 && img->comps[1].prec == img->comps[2].prec) {
294 /* -->> -->> -->> -->>
298 <<-- <<-- <<-- <<-- */
300 f = fopen(outfile, "wb");
302 fprintf(stderr, "failed to open %s for writing\n", outfile);
307 wr = int_ceildivpow2(img->comps[0].w, img->comps[0].factor);
310 hr = int_ceildivpow2(img->comps[0].h, img->comps[0].factor);
316 fprintf(f, "%c%c%c%c",
317 (unsigned char)(hr * wr * 3 + 3 * hr * (wr % 2) +
319 (unsigned char)((hr * wr * 3 + 3 * hr * (wr % 2) + 54)
321 (unsigned char)((hr * wr * 3 + 3 * hr * (wr % 2) + 54)
323 (unsigned char)((hr * wr * 3 + 3 * hr * (wr % 2) + 54)
325 fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
326 ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
327 fprintf(f, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff,
328 ((54) >> 16) & 0xff, ((54) >> 24) & 0xff);
332 fprintf(f, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff,
333 ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
334 fprintf(f, "%c%c%c%c", (unsigned char)((wr) & 0xff),
335 (unsigned char)((wr) >> 8) & 0xff,
336 (unsigned char)((wr) >> 16) & 0xff,
337 (unsigned char)((wr) >> 24) & 0xff);
338 fprintf(f, "%c%c%c%c", (unsigned char)((hr) & 0xff),
339 (unsigned char)((hr) >> 8) & 0xff,
340 (unsigned char)((hr) >> 16) & 0xff,
341 (unsigned char)((hr) >> 24) & 0xff);
342 fprintf(f, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
343 fprintf(f, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff);
344 fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
345 ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
346 fprintf(f, "%c%c%c%c",
347 (unsigned char)(3 * hr * wr +
348 3 * hr * (wr % 2)) & 0xff,
349 (unsigned char)((hr * wr * 3 + 3 * hr * (wr % 2)) >>
351 (unsigned char)((hr * wr * 3 + 3 * hr * (wr % 2)) >>
353 (unsigned char)((hr * wr * 3 + 3 * hr * (wr % 2)) >>
355 fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
356 ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
357 fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
358 ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
359 fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
360 ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
361 fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
362 ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
364 for (i = 0; i < wr * hr; i++) {
365 unsigned char R, G, B;
367 /* R = img->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];*/
368 R = img->comps[0].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
369 /* G = img->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];*/
370 G = img->comps[1].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
371 /* B = img->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];*/
372 B = img->comps[2].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
373 fprintf(f, "%c%c%c", B, G, R);
375 if ((i + 1) % wr == 0) {
376 for (pad = (3 * wr) % 4 ? 4 - (3 * wr) % 4 : 0; pad > 0; pad--) { /* ADD */