#include "opj_includes.h"
#include "mj2_convert.h"
-/* ----------------------- */
-/* */
-/* */
-/* Count the number of frames */
-/* in a YUV file */
-/* */
-/* ----------------------- */
+/* ----------------------- */
+/* */
+/* */
+/* Count the number of frames */
+/* in a YUV file */
+/* */
+/* ----------------------- */
unsigned int OPJ_CALLCONV yuv_num_frames(mj2_tk_t * tk, char *infile)
{
- unsigned int prec_size;
- long end_of_f, frame_size;
- FILE *f;
+ unsigned int prec_size;
+ long end_of_f, frame_size;
+ FILE *f;
- f = fopen(infile,"rb");
- if (!f) {
- fprintf(stderr, "failed to open %s for reading\n",infile);
- return 0;
- }
- prec_size = (tk->depth + 7)/8;/* bytes of precision */
-
- frame_size = (long) (tk->w * tk->h * (1.0 + (double) 2 / (double) (tk->CbCr_subsampling_dx * tk->CbCr_subsampling_dy))); /* Calculate frame size */
- frame_size *= prec_size;
-
- fseek(f, 0, SEEK_END);
- end_of_f = ftell(f); /* Calculate file size */
-
- if (end_of_f < frame_size) {
- fprintf(stderr,
- "YUV does not contains any frame of %d x %d size\n", tk->w,
- tk->h);
- return 0;
- }
- fclose(f);
-
- return (unsigned int)(end_of_f / frame_size);
+ f = fopen(infile, "rb");
+ if (!f) {
+ fprintf(stderr, "failed to open %s for reading\n", infile);
+ return 0;
+ }
+ prec_size = (tk->depth + 7) / 8; /* bytes of precision */
+
+ frame_size = (long)(tk->w * tk->h * (1.0 + (double) 2 / (double)(
+ tk->CbCr_subsampling_dx *
+ tk->CbCr_subsampling_dy))); /* Calculate frame size */
+ frame_size *= prec_size;
+
+ fseek(f, 0, SEEK_END);
+ end_of_f = ftell(f); /* Calculate file size */
+
+ if (end_of_f < frame_size) {
+ fprintf(stderr,
+ "YUV does not contains any frame of %d x %d size\n", tk->w,
+ tk->h);
+ return 0;
+ }
+ fclose(f);
+
+ return (unsigned int)(end_of_f / frame_size);
}
/* ----------------------- */
/* */
/* ----------------------- */
-opj_image_t * OPJ_CALLCONV mj2_image_create(mj2_tk_t * tk, opj_cparameters_t *parameters)
+opj_image_t * OPJ_CALLCONV mj2_image_create(mj2_tk_t * tk,
+ opj_cparameters_t *parameters)
{
- opj_image_cmptparm_t cmptparm[3];
- opj_image_t * img;
- int i;
- int numcomps = 3;
- int subsampling_dx = parameters->subsampling_dx;
- int subsampling_dy = parameters->subsampling_dy;
-
- /* initialize image components */
- memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
- for(i = 0; i < numcomps; i++) {
- cmptparm[i].prec = tk->depth;
- cmptparm[i].bpp = tk->depth;
- cmptparm[i].sgnd = 0;
- cmptparm[i].dx = i ? subsampling_dx * tk->CbCr_subsampling_dx : subsampling_dx;
- cmptparm[i].dy = i ? subsampling_dy * tk->CbCr_subsampling_dy : subsampling_dy;
- cmptparm[i].w = tk->w;
- cmptparm[i].h = tk->h;
- }
- /* create the image */
- img = opj_image_create(numcomps, cmptparm, CLRSPC_SRGB);
- return img;
+ opj_image_cmptparm_t cmptparm[3];
+ opj_image_t * img;
+ int i;
+ int numcomps = 3;
+ int subsampling_dx = parameters->subsampling_dx;
+ int subsampling_dy = parameters->subsampling_dy;
+
+ /* initialize image components */
+ memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
+ for (i = 0; i < numcomps; i++) {
+ cmptparm[i].prec = tk->depth;
+ cmptparm[i].bpp = tk->depth;
+ cmptparm[i].sgnd = 0;
+ cmptparm[i].dx = i ? subsampling_dx * tk->CbCr_subsampling_dx : subsampling_dx;
+ cmptparm[i].dy = i ? subsampling_dy * tk->CbCr_subsampling_dy : subsampling_dy;
+ cmptparm[i].w = tk->w;
+ cmptparm[i].h = tk->h;
+ }
+ /* create the image */
+ img = opj_image_create(numcomps, cmptparm, CLRSPC_SRGB);
+ return img;
}
-char OPJ_CALLCONV yuvtoimage(mj2_tk_t * tk, opj_image_t * img, int frame_num, opj_cparameters_t *parameters, char* infile)
+char OPJ_CALLCONV yuvtoimage(mj2_tk_t * tk, opj_image_t * img, int frame_num,
+ opj_cparameters_t *parameters, char* infile)
{
- int i, compno;
- int offset, size, max, prec_bytes, is_16, v;
- long end_of_f, position;
- int numcomps = 3;
- int subsampling_dx = parameters->subsampling_dx;
- int subsampling_dy = parameters->subsampling_dy;
- FILE *yuvfile;
- int *data;
- unsigned char uc;
-
- yuvfile = fopen(infile,"rb");
- if (!yuvfile) {
- fprintf(stderr, "failed to open %s for readings\n",parameters->infile);
- return 1;
- }
- is_16 = (tk->depth > 8);
- prec_bytes = (is_16?2:1);
-
- offset = (int) ((double) (frame_num * tk->w * tk->h) * (1.0 +
- 1.0 * (double) 2 / (double) (tk->CbCr_subsampling_dx * tk->CbCr_subsampling_dy)));
- offset *= prec_bytes;
-
- fseek(yuvfile, 0, SEEK_END);
- end_of_f = ftell(yuvfile);
- fseek(yuvfile, sizeof(unsigned char) * offset, SEEK_SET);
- position = ftell(yuvfile);
- if (position >= end_of_f) {
- fprintf(stderr, "Cannot reach frame number %d in yuv file !!\n",
- frame_num);
- fclose(yuvfile);
- return 1;
- }
-
- img->x0 = tk->Dim[0];
- img->y0 = tk->Dim[1];
- img->x1 = !tk->Dim[0] ? (tk->w - 1) * subsampling_dx + 1 : tk->Dim[0] +
- (tk->w - 1) * subsampling_dx + 1;
- img->y1 = !tk->Dim[1] ? (tk->h - 1) * subsampling_dy + 1 : tk->Dim[1] +
- (tk->h - 1) * subsampling_dy + 1;
-
- size = tk->w * tk->h * prec_bytes;
-
- for(compno = 0; compno < numcomps; compno++)
- {
- max = size/(img->comps[compno].dx * img->comps[compno].dy);
- data = img->comps[compno].data;
-
- for (i = 0; i < max && !feof(yuvfile); i++)
- {
- v = 0;
- fread(&uc, 1, 1, yuvfile);
- v = uc;
-
- if(is_16)
- {
- fread(&uc, 1, 1, yuvfile);
- v |= (uc<<8);
- }
- *data++ = v;
- }
- }
- fclose(yuvfile);
-
- return 0;
+ int i, compno;
+ int offset, size, max, prec_bytes, is_16, v;
+ long end_of_f, position;
+ int numcomps = 3;
+ int subsampling_dx = parameters->subsampling_dx;
+ int subsampling_dy = parameters->subsampling_dy;
+ FILE *yuvfile;
+ int *data;
+ unsigned char uc;
+
+ yuvfile = fopen(infile, "rb");
+ if (!yuvfile) {
+ fprintf(stderr, "failed to open %s for readings\n", parameters->infile);
+ return 1;
+ }
+ is_16 = (tk->depth > 8);
+ prec_bytes = (is_16 ? 2 : 1);
+
+ offset = (int)((double)(frame_num * tk->w * tk->h) * (1.0 +
+ 1.0 * (double) 2 / (double)(tk->CbCr_subsampling_dx *
+ tk->CbCr_subsampling_dy)));
+ offset *= prec_bytes;
+
+ fseek(yuvfile, 0, SEEK_END);
+ end_of_f = ftell(yuvfile);
+ fseek(yuvfile, sizeof(unsigned char) * offset, SEEK_SET);
+ position = ftell(yuvfile);
+ if (position >= end_of_f) {
+ fprintf(stderr, "Cannot reach frame number %d in yuv file !!\n",
+ frame_num);
+ fclose(yuvfile);
+ return 1;
+ }
+
+ img->x0 = tk->Dim[0];
+ img->y0 = tk->Dim[1];
+ img->x1 = !tk->Dim[0] ? (tk->w - 1) * subsampling_dx + 1 : tk->Dim[0] +
+ (tk->w - 1) * subsampling_dx + 1;
+ img->y1 = !tk->Dim[1] ? (tk->h - 1) * subsampling_dy + 1 : tk->Dim[1] +
+ (tk->h - 1) * subsampling_dy + 1;
+
+ size = tk->w * tk->h * prec_bytes;
+
+ for (compno = 0; compno < numcomps; compno++) {
+ max = size / (img->comps[compno].dx * img->comps[compno].dy);
+ data = img->comps[compno].data;
+
+ for (i = 0; i < max && !feof(yuvfile); i++) {
+ v = 0;
+ fread(&uc, 1, 1, yuvfile);
+ v = uc;
+
+ if (is_16) {
+ fread(&uc, 1, 1, yuvfile);
+ v |= (uc << 8);
+ }
+ *data++ = v;
+ }
+ }
+ fclose(yuvfile);
+
+ return 0;
}
opj_bool OPJ_CALLCONV imagetoyuv(opj_image_t * img, char *outfile)
{
- FILE *f;
- int *data;
- int i, v, is_16, prec_bytes;
- unsigned char buf[2];
-
- if (img->numcomps == 3) {
- if (img->comps[0].dx != img->comps[1].dx / 2
- || img->comps[1].dx != img->comps[2].dx) {
- fprintf(stderr,
- "Error with the input image components size: cannot create yuv file)\n");
- return OPJ_FALSE;
+ FILE *f;
+ int *data;
+ int i, v, is_16, prec_bytes;
+ unsigned char buf[2];
+
+ if (img->numcomps == 3) {
+ if (img->comps[0].dx != img->comps[1].dx / 2
+ || img->comps[1].dx != img->comps[2].dx) {
+ fprintf(stderr,
+ "Error with the input image components size: cannot create yuv file)\n");
+ return OPJ_FALSE;
+ }
+ } else if (!(img->numcomps == 1)) {
+ fprintf(stderr,
+ "Error with the number of image components(must be one or three)\n");
+ return OPJ_FALSE;
}
- } else if (!(img->numcomps == 1)) {
- fprintf(stderr,
- "Error with the number of image components(must be one or three)\n");
- return OPJ_FALSE;
- }
-
- f = fopen(outfile, "a+b");
- if (!f) {
- fprintf(stderr, "failed to open %s for writing\n", outfile);
- return OPJ_FALSE;
- }
- is_16 = (img->comps[0].prec > 8);
- prec_bytes = (is_16?2:1);
- data = img->comps[0].data;
-
- for (i = 0; i < (img->comps[0].w * img->comps[0].h); i++) {
- v = *data++;
- buf[0] = (unsigned char)v;
-
- if(is_16) buf[1] = (unsigned char)(v>>8);
-
- fwrite(buf, 1, prec_bytes, f);
- }
-
-
- if (img->numcomps == 3) {
- data = img->comps[1].data;
-
- for (i = 0; i < (img->comps[1].w * img->comps[1].h); i++) {
- v = *data++;
- buf[0] = (unsigned char)v;
-
- if(is_16) buf[1] = (unsigned char)(v>>8);
-
- fwrite(buf, 1, prec_bytes, f);
+
+ f = fopen(outfile, "a+b");
+ if (!f) {
+ fprintf(stderr, "failed to open %s for writing\n", outfile);
+ return OPJ_FALSE;
}
- data = img->comps[2].data;
-
- for (i = 0; i < (img->comps[2].w * img->comps[2].h); i++) {
- v = *data++;
- buf[0] = (unsigned char)v;
+ is_16 = (img->comps[0].prec > 8);
+ prec_bytes = (is_16 ? 2 : 1);
+ data = img->comps[0].data;
- if(is_16) buf[1] = (unsigned char)(v>>8);
+ for (i = 0; i < (img->comps[0].w * img->comps[0].h); i++) {
+ v = *data++;
+ buf[0] = (unsigned char)v;
- fwrite(buf, 1, prec_bytes, f);
- }
- } else if (img->numcomps == 1) {
-/* fake CbCr values */
- if(is_16)
- {
- buf[0] = 255;
- if(img->comps[0].prec == 10) buf[1] = 1;
- else
- if(img->comps[0].prec == 12) buf[1] = 3;
- else
- buf[1] = 125;
- }
- else buf[0] = 125;
-
- for (i = 0; i < (img->comps[0].w * img->comps[0].h * 0.25); i++) {
- fwrite(buf, 1, prec_bytes, f);
+ if (is_16) {
+ buf[1] = (unsigned char)(v >> 8);
+ }
+
+ fwrite(buf, 1, prec_bytes, f);
}
-
-
- for (i = 0; i < (img->comps[0].w * img->comps[0].h * 0.25); i++) {
- fwrite(buf, 1, prec_bytes, f);
+
+
+ if (img->numcomps == 3) {
+ data = img->comps[1].data;
+
+ for (i = 0; i < (img->comps[1].w * img->comps[1].h); i++) {
+ v = *data++;
+ buf[0] = (unsigned char)v;
+
+ if (is_16) {
+ buf[1] = (unsigned char)(v >> 8);
+ }
+
+ fwrite(buf, 1, prec_bytes, f);
+ }
+ data = img->comps[2].data;
+
+ for (i = 0; i < (img->comps[2].w * img->comps[2].h); i++) {
+ v = *data++;
+ buf[0] = (unsigned char)v;
+
+ if (is_16) {
+ buf[1] = (unsigned char)(v >> 8);
+ }
+
+ fwrite(buf, 1, prec_bytes, f);
+ }
+ } else if (img->numcomps == 1) {
+ /* fake CbCr values */
+ if (is_16) {
+ buf[0] = 255;
+ if (img->comps[0].prec == 10) {
+ buf[1] = 1;
+ } else if (img->comps[0].prec == 12) {
+ buf[1] = 3;
+ } else {
+ buf[1] = 125;
+ }
+ } else {
+ buf[0] = 125;
+ }
+
+ for (i = 0; i < (img->comps[0].w * img->comps[0].h * 0.25); i++) {
+ fwrite(buf, 1, prec_bytes, f);
+ }
+
+
+ for (i = 0; i < (img->comps[0].w * img->comps[0].h * 0.25); i++) {
+ fwrite(buf, 1, prec_bytes, f);
+ }
}
- }
- fclose(f);
- return OPJ_TRUE;
+ fclose(f);
+ return OPJ_TRUE;
}
/* ----------------------- */
/* */
/* ----------------------- */
-int OPJ_CALLCONV imagetobmp(opj_image_t * img, char *outfile) {
- int w,wr,h,hr,i,pad;
- FILE *f;
-
- if (img->numcomps == 3 && img->comps[0].dx == img->comps[1].dx
- && img->comps[1].dx == img->comps[2].dx
- && img->comps[0].dy == img->comps[1].dy
- && img->comps[1].dy == img->comps[2].dy
- && img->comps[0].prec == img->comps[1].prec
- && img->comps[1].prec == img->comps[2].prec) {
- /* -->> -->> -->> -->>
-
- 24 bits color
-
- <<-- <<-- <<-- <<-- */
-
- f = fopen(outfile, "wb");
- if (!f) {
- fprintf(stderr, "failed to open %s for writing\n", outfile);
- return 1;
- }
-
- w = img->comps[0].w;
- wr = int_ceildivpow2(img->comps[0].w, img->comps[0].factor);
-
- h = img->comps[0].h;
- hr = int_ceildivpow2(img->comps[0].h, img->comps[0].factor);
-
- fprintf(f, "BM");
-
- /* FILE HEADER */
- /* ------------- */
- fprintf(f, "%c%c%c%c",
- (unsigned char) (hr * wr * 3 + 3 * hr * (wr % 2) +
- 54) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54)
- >> 8) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54)
- >> 16) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54)
- >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
- ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff,
- ((54) >> 16) & 0xff, ((54) >> 24) & 0xff);
-
- /* INFO HEADER */
- /* ------------- */
- fprintf(f, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff,
- ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (unsigned char) ((wr) & 0xff),
- (unsigned char) ((wr) >> 8) & 0xff,
- (unsigned char) ((wr) >> 16) & 0xff,
- (unsigned char) ((wr) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (unsigned char) ((hr) & 0xff),
- (unsigned char) ((hr) >> 8) & 0xff,
- (unsigned char) ((hr) >> 16) & 0xff,
- (unsigned char) ((hr) >> 24) & 0xff);
- fprintf(f, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
- fprintf(f, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff);
- fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
- ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c",
- (unsigned char) (3 * hr * wr +
- 3 * hr * (wr % 2)) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >>
- 8) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >>
- 16) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >>
- 24) & 0xff);
- fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
- ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
- ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
- ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
- fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
- ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
-
- for (i = 0; i < wr * hr; i++) {
- unsigned char R, G, B;
- /* a modifier */
- /* R = img->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];*/
- R = img->comps[0].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
- /* G = img->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];*/
- G = img->comps[1].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
- /* B = img->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];*/
- B = img->comps[2].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
- fprintf(f, "%c%c%c", B, G, R);
-
- if ((i + 1) % wr == 0) {
- for (pad = (3 * wr) % 4 ? 4 - (3 * wr) % 4 : 0; pad > 0; pad--) /* ADD */
- fprintf(f, "%c", 0);
- }
+int OPJ_CALLCONV imagetobmp(opj_image_t * img, char *outfile)
+{
+ int w, wr, h, hr, i, pad;
+ FILE *f;
+
+ if (img->numcomps == 3 && img->comps[0].dx == img->comps[1].dx
+ && img->comps[1].dx == img->comps[2].dx
+ && img->comps[0].dy == img->comps[1].dy
+ && img->comps[1].dy == img->comps[2].dy
+ && img->comps[0].prec == img->comps[1].prec
+ && img->comps[1].prec == img->comps[2].prec) {
+ /* -->> -->> -->> -->>
+
+ 24 bits color
+
+ <<-- <<-- <<-- <<-- */
+
+ f = fopen(outfile, "wb");
+ if (!f) {
+ fprintf(stderr, "failed to open %s for writing\n", outfile);
+ return 1;
+ }
+
+ w = img->comps[0].w;
+ wr = int_ceildivpow2(img->comps[0].w, img->comps[0].factor);
+
+ h = img->comps[0].h;
+ hr = int_ceildivpow2(img->comps[0].h, img->comps[0].factor);
+
+ fprintf(f, "BM");
+
+ /* FILE HEADER */
+ /* ------------- */
+ fprintf(f, "%c%c%c%c",
+ (unsigned char)(hr * wr * 3 + 3 * hr * (wr % 2) +
+ 54) & 0xff,
+ (unsigned char)((hr * wr * 3 + 3 * hr * (wr % 2) + 54)
+ >> 8) & 0xff,
+ (unsigned char)((hr * wr * 3 + 3 * hr * (wr % 2) + 54)
+ >> 16) & 0xff,
+ (unsigned char)((hr * wr * 3 + 3 * hr * (wr % 2) + 54)
+ >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
+ ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff,
+ ((54) >> 16) & 0xff, ((54) >> 24) & 0xff);
+
+ /* INFO HEADER */
+ /* ------------- */
+ fprintf(f, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff,
+ ((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (unsigned char)((wr) & 0xff),
+ (unsigned char)((wr) >> 8) & 0xff,
+ (unsigned char)((wr) >> 16) & 0xff,
+ (unsigned char)((wr) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (unsigned char)((hr) & 0xff),
+ (unsigned char)((hr) >> 8) & 0xff,
+ (unsigned char)((hr) >> 16) & 0xff,
+ (unsigned char)((hr) >> 24) & 0xff);
+ fprintf(f, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
+ fprintf(f, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff);
+ fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
+ ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c",
+ (unsigned char)(3 * hr * wr +
+ 3 * hr * (wr % 2)) & 0xff,
+ (unsigned char)((hr * wr * 3 + 3 * hr * (wr % 2)) >>
+ 8) & 0xff,
+ (unsigned char)((hr * wr * 3 + 3 * hr * (wr % 2)) >>
+ 16) & 0xff,
+ (unsigned char)((hr * wr * 3 + 3 * hr * (wr % 2)) >>
+ 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
+ ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
+ ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
+ ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
+ fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
+ ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
+
+ for (i = 0; i < wr * hr; i++) {
+ unsigned char R, G, B;
+ /* a modifier */
+ /* R = img->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];*/
+ R = img->comps[0].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
+ /* G = img->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];*/
+ G = img->comps[1].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
+ /* B = img->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];*/
+ B = img->comps[2].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
+ fprintf(f, "%c%c%c", B, G, R);
+
+ if ((i + 1) % wr == 0) {
+ for (pad = (3 * wr) % 4 ? 4 - (3 * wr) % 4 : 0; pad > 0; pad--) { /* ADD */
+ fprintf(f, "%c", 0);
+ }
+ }
+ }
+ fclose(f);
}
- fclose(f);
- }
- return 0;
+ return 0;
}
projects / openjpeg.git / blobdiff