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[trunk] add ability in opj_compress to input subsampled images through 

'-F' (aka raw option). Let the user input raw images with 444, 422, 420
(etc) subsampling. To be used in conjunction with '-mct 0' option to
compress subsampled YCC images.
This commit is contained in:
Antonin Descampe 2014-03-26 14:26:49 +00:00
parent ee130e2306
commit f1d69068c7
3 changed files with 110 additions and 32 deletions
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30
src/bin/jp2/convert.c
View File

@ -2953,9 +2953,11 @@ static opj_image_t* rawtoimage_common(const char *filename, opj_cparameters_t *p
{
fprintf(stderr,"\nError: invalid raw image parameters\n");
fprintf(stderr,"Please use the Format option -F:\n");
fprintf(stderr,"-F rawWidth,rawHeight,rawComp,rawBitDepth,s/u (Signed/Unsigned)\n");
fprintf(stderr,"Example: -i lena.raw -o lena.j2k -F 512,512,3,8,u\n");
fprintf(stderr,"Aborting\n");
fprintf(stderr,"-F <width>,<height>,<ncomp>,<bitdepth>,{s,u}@<dx1>x<dy1>:...:<dxn>x<dyn>\n");
fprintf(stderr,"If subsampling is omitted, 1x1 is assumed for all components\n");
fprintf(stderr,"Example: -i image.raw -o image.j2k -F 512,512,3,8,u@1x1:2x2:2x2\n");
fprintf(stderr," for raw 512x512 image with 4:2:0 subsampling\n");
fprintf(stderr,"Aborting.\n");
return NULL;
}
@ -2966,7 +2968,17 @@ static opj_image_t* rawtoimage_common(const char *filename, opj_cparameters_t *p
return NULL;
}
numcomps = raw_cp->rawComp;
color_space = OPJ_CLRSPC_SRGB;
/* FIXME ADE at this point, tcp_mct has not been properly set in calling function */
if (numcomps == 0) {
color_space = OPJ_CLRSPC_GRAY;
} else if ((numcomps >= 3) && (parameters->tcp_mct == 0)) {
color_space = OPJ_CLRSPC_SYCC;
} else if ((numcomps >= 3) && (parameters->tcp_mct != 2)) {
color_space = OPJ_CLRSPC_SRGB;
} else {
color_space = OPJ_CLRSPC_UNKNOWN;
}
w = raw_cp->rawWidth;
h = raw_cp->rawHeight;
cmptparm = (opj_image_cmptparm_t*) malloc((size_t)numcomps * sizeof(opj_image_cmptparm_t));
@ -2977,8 +2989,8 @@ static opj_image_t* rawtoimage_common(const char *filename, opj_cparameters_t *p
cmptparm[i].prec = (OPJ_UINT32)raw_cp->rawBitDepth;
cmptparm[i].bpp = (OPJ_UINT32)raw_cp->rawBitDepth;
cmptparm[i].sgnd = (OPJ_UINT32)raw_cp->rawSigned;
cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
cmptparm[i].dx = (OPJ_UINT32)subsampling_dx * raw_cp->rawComps[i].dx;
cmptparm[i].dy = (OPJ_UINT32)subsampling_dy * raw_cp->rawComps[i].dy;
cmptparm[i].w = (OPJ_UINT32)w;
cmptparm[i].h = (OPJ_UINT32)h;
}
@ -2999,7 +3011,8 @@ static opj_image_t* rawtoimage_common(const char *filename, opj_cparameters_t *p
{
unsigned char value = 0;
for(compno = 0; compno < numcomps; compno++) {
for (i = 0; i < w * h; i++) {
int nloop = (w*h)/(raw_cp->rawComps[compno].dx*raw_cp->rawComps[compno].dx);
for (i = 0; i < nloop; i++) {
if (!fread(&value, 1, 1, f)) {
fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
return NULL;
@ -3012,7 +3025,8 @@ static opj_image_t* rawtoimage_common(const char *filename, opj_cparameters_t *p
{
unsigned short value;
for(compno = 0; compno < numcomps; compno++) {
for (i = 0; i < w * h; i++) {
int nloop = (w*h)/(raw_cp->rawComps[compno].dx*raw_cp->rawComps[compno].dx);
for (i = 0; i < nloop; i++) {
unsigned char temp1;
unsigned char temp2;
if (!fread(&temp1, 1, 1, f)) {

22
src/bin/jp2/convert.h
View File

@ -31,6 +31,16 @@
#ifndef __J2K_CONVERT_H
#define __J2K_CONVERT_H
/**@name RAW component encoding parameters */
/*@{*/
typedef struct raw_comp_cparameters {
/** subsampling in X direction */
int dx;
/** subsampling in Y direction */
int dy;
/*@}*/
} raw_comp_cparameters_t;
/**@name RAW image encoding parameters */
/*@{*/
typedef struct raw_cparameters {
@ -38,12 +48,14 @@ typedef struct raw_cparameters {
int rawWidth;
/** height of the raw image */
int rawHeight;
/** components of the raw image */
/** number of components of the raw image */
int rawComp;
/** bit depth of the raw image */
int rawBitDepth;
/** signed/unsigned raw image */
OPJ_BOOL rawSigned;
/** bit depth of the raw image */
int rawBitDepth;
/** signed/unsigned raw image */
OPJ_BOOL rawSigned;
/** raw components parameters */
raw_comp_cparameters_t *rawComps;
/*@}*/
} raw_cparameters_t;

90
src/bin/jp2/opj_compress.c
View File

@ -209,7 +209,7 @@ static void encode_help_display(void) {
fprintf(stdout," -F rawWidth,rawHeight,rawComp,rawBitDepth,s/u (Signed/Unsigned)\n");
fprintf(stdout," Example: -i lena.raw -o lena.j2k -F 512,512,3,8,u\n");
fprintf(stdout,"\n");
fprintf(stdout,"-mct {0,1,2} : explicitely specifies if an Multiple Component Transform has to be used.\n");
fprintf(stdout,"-mct {0,1,2} : explicitely specifies if a Multiple Component Transform has to be used.\n");
fprintf(stdout," 0: no MCT ; 1: RGB->YCC conversion ; 2: custom MCT.\n");
fprintf(stdout," If custom MCT, \"-m\" option has to be used (see hereunder).\n");
fprintf(stdout," By default, RGB->YCC conversion is used if there are 3 components or more,\n");
@ -569,33 +569,84 @@ static int parse_cmdline_encoder(int argc, char **argv, opj_cparameters_t *param
case 'F': /* Raw image format parameters */
{
OPJ_BOOL wrong = OPJ_FALSE;
char *substr1;
char *substr2;
char *sep;
char signo;
char *s = opj_optarg;
if (sscanf(s, "%d,%d,%d,%d,%c", &raw_cp->rawWidth, &raw_cp->rawHeight, &raw_cp->rawComp, &raw_cp->rawBitDepth, &signo) == 5) {
int width,height,bitdepth,ncomp;
int len;
OPJ_BOOL raw_signed;
substr2 = strchr(opj_optarg,'@');
if (substr2 == NULL) {
len = (int) strlen(opj_optarg);
} else {
len = substr2 - opj_optarg;
substr2++; /* skip '@' character */
}
substr1 = (char*) malloc((len+1)*sizeof(char));
memcpy(substr1,opj_optarg,len);
substr1[len] = '\0';
if (sscanf(substr1, "%d,%d,%d,%d,%[su]", &width, &height, &ncomp, &bitdepth, &signo) == 5) {
if (signo == 's') {
raw_cp->rawSigned = OPJ_TRUE;
fprintf(stdout,"\nRaw file parameters: %d,%d,%d,%d Signed\n", raw_cp->rawWidth, raw_cp->rawHeight, raw_cp->rawComp, raw_cp->rawBitDepth);
raw_signed = OPJ_TRUE;
} else if (signo == 'u') {
raw_signed = OPJ_FALSE;
} else {
wrong = OPJ_TRUE;
}
else if (signo == 'u') {
raw_cp->rawSigned = OPJ_FALSE;
fprintf(stdout,"\nRaw file parameters: %d,%d,%d,%d Unsigned\n", raw_cp->rawWidth, raw_cp->rawHeight, raw_cp->rawComp, raw_cp->rawBitDepth);
}
else {
fprintf(stderr,"\nError: invalid raw image parameters: Unknown sign of raw file\n");
fprintf(stderr,"Please use the Format option -F:\n");
fprintf(stderr,"-F rawWidth,rawHeight,rawComp,rawBitDepth,s/u (Signed/Unsigned)\n");
fprintf(stderr,"Example: -i lena.raw -o lena.j2k -F 512,512,3,8,u\n");
fprintf(stderr,"Aborting\n");
} else {
wrong = OPJ_TRUE;
}
if (!wrong) {
int i;
int lastdx = 1;
int lastdy = 1;
raw_cp->rawWidth = width;
raw_cp->rawHeight = height;
raw_cp->rawComp = ncomp;
raw_cp->rawBitDepth = bitdepth;
raw_cp->rawSigned = raw_signed;
raw_cp->rawComps = (raw_comp_cparameters_t*) malloc(ncomp*sizeof(raw_comp_cparameters_t));
for (i = 0; i < ncomp && !wrong; i++) {
if (substr2 == NULL) {
raw_cp->rawComps[i].dx = lastdx;
raw_cp->rawComps[i].dy = lastdy;
} else {
int dx,dy;
sep = strchr(substr2,':');
if (sep == NULL) {
if (sscanf(substr2, "%dx%d", &dx, &dy) == 2) {
lastdx = dx;
lastdy = dy;
raw_cp->rawComps[i].dx = dx;
raw_cp->rawComps[i].dy = dy;
substr2 = NULL;
} else {
wrong = OPJ_TRUE;
}
} else {
if (sscanf(substr2, "%dx%d:%s", &dx, &dy, substr2) == 3) {
raw_cp->rawComps[i].dx = dx;
raw_cp->rawComps[i].dy = dy;
} else {
wrong = OPJ_TRUE;
}
}
}
}
}
else {
if (wrong) {
fprintf(stderr,"\nError: invalid raw image parameters\n");
fprintf(stderr,"Please use the Format option -F:\n");
fprintf(stderr,"-F rawWidth,rawHeight,rawComp,rawBitDepth,s/u (Signed/Unsigned)\n");
fprintf(stderr,"Example: -i lena.raw -o lena.j2k -F 512,512,3,8,u\n");
fprintf(stderr,"Aborting\n");
fprintf(stderr,"-F <width>,<height>,<ncomp>,<bitdepth>,{s,u}@<dx1>x<dy1>:...:<dxn>x<dyn>\n");
fprintf(stderr,"If subsampling is omitted, 1x1 is assumed for all components\n");
fprintf(stderr,"Example: -i image.raw -o image.j2k -F 512,512,3,8,u@1x1:2x2:2x2\n");
fprintf(stderr," for raw 512x512 image with 4:2:0 subsampling\n");
fprintf(stderr,"Aborting.\n");
return 1;
}
if (substr1 != NULL) free(substr1);
}
break;
@ -1749,6 +1800,7 @@ int main(int argc, char **argv) {
/* free user parameters structure */
if(parameters.cp_comment) free(parameters.cp_comment);
if(parameters.cp_matrice) free(parameters.cp_matrice);
if(raw_cp.rawComps) free(raw_cp.rawComps);
return 0;
}