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[trunk] added option to force output bit depth in opj_decompress (fixes issue 283)

This commit is contained in:
Matthieu Darbois 2014-11-19 20:05:39 +00:00
parent ae1da37558
commit 3bc360fc9d
4 changed files with 384 additions and 60 deletions
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78
src/bin/jp2/convert.c
View File

@ -67,6 +67,84 @@ static int int_floorlog2(int a) {
return l;
}
/* Component precision scaling */
void clip_component(opj_image_comp_t* component, OPJ_UINT32 precision)
{
OPJ_SIZE_T i;
OPJ_SIZE_T len;
OPJ_UINT32 umax = (OPJ_UINT32)((OPJ_INT32)-1);
len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h;
if (precision < 32) {
umax = (1U << precision) - 1U;
}
if (component->sgnd) {
OPJ_INT32* l_data = component->data;
OPJ_INT32 max = (OPJ_INT32)(umax / 2U);
OPJ_INT32 min = -max - 1;
for (i = 0; i < len; ++i) {
if (l_data[i] > max) {
l_data[i] = max;
} else if (l_data[i] < min) {
l_data[i] = min;
}
}
} else {
OPJ_UINT32* l_data = (OPJ_UINT32*)component->data;
for (i = 0; i < len; ++i) {
if (l_data[i] > umax) {
l_data[i] = umax;
}
}
}
component->prec = precision;
}
/* Component precision scaling */
void scale_component(opj_image_comp_t* component, OPJ_UINT32 precision)
{
int shift;
OPJ_SIZE_T i;
OPJ_SIZE_T len;
if (component->prec == precision) {
return;
}
if (component->prec < precision) {
shift = precision - component->prec;
} else {
shift = component->prec - precision;
}
len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h;
if (component->sgnd) {
OPJ_INT32* l_data = component->data;
if (component->prec < precision) {
for (i = 0; i < len; ++i) {
l_data[i] <<= shift;
}
} else {
for (i = 0; i < len; ++i) {
l_data[i] >>= shift;
}
}
} else {
OPJ_UINT32* l_data = (OPJ_UINT32*)component->data;
if (component->prec < precision) {
for (i = 0; i < len; ++i) {
l_data[i] <<= shift;
}
} else {
for (i = 0; i < len; ++i) {
l_data[i] >>= shift;
}
}
}
component->prec = precision;
}
/* -->> -->> -->> -->>
TGA IMAGE FORMAT

5
src/bin/jp2/convert.h
View File

@ -65,6 +65,11 @@ typedef struct raw_cparameters {
/*@}*/
} raw_cparameters_t;
/* Component precision clipping */
void clip_component(opj_image_comp_t* component, OPJ_UINT32 precision);
/* Component precision scaling */
void scale_component(opj_image_comp_t* component, OPJ_UINT32 precision);
/* TGA conversion */
opj_image_t* tgatoimage(const char *filename, opj_cparameters_t *parameters);
int imagetotga(opj_image_t * image, const char *outfile);

360
src/bin/jp2/opj_decompress.c
View File

@ -93,72 +93,126 @@ typedef struct img_folder{
}img_fol_t;
typedef enum opj_prec_mode
{
OPJ_PREC_MODE_CLIP,
OPJ_PREC_MODE_SCALE
} opj_precision_mode;
typedef struct opj_prec
{
OPJ_UINT32 prec;
opj_precision_mode mode;
}opj_precision;
typedef struct opj_decompress_params
{
/** core library parameters */
opj_dparameters_t core;
/** input file name */
char infile[OPJ_PATH_LEN];
/** output file name */
char outfile[OPJ_PATH_LEN];
/** input file format 0: J2K, 1: JP2, 2: JPT */
int decod_format;
/** output file format 0: PGX, 1: PxM, 2: BMP */
int cod_format;
/** Decoding area left boundary */
OPJ_UINT32 DA_x0;
/** Decoding area right boundary */
OPJ_UINT32 DA_x1;
/** Decoding area up boundary */
OPJ_UINT32 DA_y0;
/** Decoding area bottom boundary */
OPJ_UINT32 DA_y1;
/** Verbose mode */
OPJ_BOOL m_verbose;
/** tile number ot the decoded tile*/
OPJ_UINT32 tile_index;
/** Nb of tile to decode */
OPJ_UINT32 nb_tile_to_decode;
opj_precision* precision;
OPJ_UINT32 nb_precision;
}opj_decompress_parameters;
/* -------------------------------------------------------------------------- */
/* Declarations */
int get_num_images(char *imgdirpath);
int load_images(dircnt_t *dirptr, char *imgdirpath);
int get_file_format(const char *filename);
char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_dparameters_t *parameters);
char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_decompress_parameters *parameters);
static int infile_format(const char *fname);
int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,img_fol_t *img_fol, char *indexfilename);
int parse_cmdline_decoder(int argc, char **argv, opj_decompress_parameters *parameters,img_fol_t *img_fol, char *indexfilename);
int parse_DA_values( char* inArg, unsigned int *DA_x0, unsigned int *DA_y0, unsigned int *DA_x1, unsigned int *DA_y1);
/* -------------------------------------------------------------------------- */
static void decode_help_display(void) {
fprintf(stdout,"\nThis is the opj_decompress utility from the OpenJPEG project.\n"
"It decompresses JPEG 2000 codestreams to various image formats.\n"
"It has been compiled against openjp2 library v%s.\n\n",opj_version());
fprintf(stdout,"\nThis is the opj_decompress utility from the OpenJPEG project.\n"
"It decompresses JPEG 2000 codestreams to various image formats.\n"
"It has been compiled against openjp2 library v%s.\n\n",opj_version());
fprintf(stdout,"Parameters:\n");
fprintf(stdout,"-----------\n");
fprintf(stdout,"\n");
fprintf(stdout," -ImgDir <directory> \n");
fprintf(stdout," Image file Directory path \n");
fprintf(stdout," -OutFor <PBM|PGM|PPM|PNM|PAM|PGX|PNG|BMP|TIF|RAW|RAWL|TGA>\n");
fprintf(stdout," REQUIRED only if -ImgDir is used\n");
fprintf(stdout," Output format for decompressed images.\n");
fprintf(stdout," -i <compressed file>\n");
fprintf(stdout," REQUIRED only if an Input image directory is not specified\n");
fprintf(stdout," Currently accepts J2K-files, JP2-files and JPT-files. The file type\n");
fprintf(stdout," is identified based on its suffix.\n");
fprintf(stdout," -o <decompressed file>\n");
fprintf(stdout," REQUIRED\n");
fprintf(stdout," Currently accepts formats specified above (see OutFor option)\n");
fprintf(stdout," Binary data is written to the file (not ascii). If a PGX\n");
fprintf(stdout," filename is given, there will be as many output files as there are\n");
fprintf(stdout," components: an indice starting from 0 will then be appended to the\n");
fprintf(stdout," output filename, just before the \"pgx\" extension. If a PGM filename\n");
fprintf(stdout," is given and there are more than one component, only the first component\n");
fprintf(stdout," will be written to the file.\n");
fprintf(stdout," -r <reduce factor>\n");
fprintf(stdout," Set the number of highest resolution levels to be discarded. The\n");
fprintf(stdout," image resolution is effectively divided by 2 to the power of the\n");
fprintf(stdout," number of discarded levels. The reduce factor is limited by the\n");
fprintf(stdout," smallest total number of decomposition levels among tiles.\n");
fprintf(stdout," -l <number of quality layers to decode>\n");
fprintf(stdout," Set the maximum number of quality layers to decode. If there are\n");
fprintf(stdout," less quality layers than the specified number, all the quality layers\n");
fprintf(stdout," are decoded.\n");
fprintf(stdout," -x \n");
fprintf(stdout," Create an index file *.Idx (-x index_name.Idx) \n");
fprintf(stdout," -d <x0,y0,x1,y1>\n");
fprintf(stdout," OPTIONAL\n");
fprintf(stdout," Decoding area\n");
fprintf(stdout," By default all the image is decoded.\n");
fprintf(stdout," -t <tile_number>\n");
fprintf(stdout," OPTIONAL\n");
fprintf(stdout," Set the tile number of the decoded tile. Follow the JPEG2000 convention from left-up to bottom-up\n");
fprintf(stdout," By default all tiles are decoded.\n");
fprintf(stdout,"\n");
fprintf(stdout,"Parameters:\n"
"-----------\n"
"\n"
" -ImgDir <directory> \n"
" Image file Directory path \n"
" -OutFor <PBM|PGM|PPM|PNM|PAM|PGX|PNG|BMP|TIF|RAW|RAWL|TGA>\n"
" REQUIRED only if -ImgDir is used\n"
" Output format for decompressed images.\n"
" -i <compressed file>\n"
" REQUIRED only if an Input image directory is not specified\n"
" Currently accepts J2K-files, JP2-files and JPT-files. The file type\n"
" is identified based on its suffix.\n"
" -o <decompressed file>\n"
" REQUIRED\n"
" Currently accepts formats specified above (see OutFor option)\n"
" Binary data is written to the file (not ascii). If a PGX\n"
" filename is given, there will be as many output files as there are\n"
" components: an indice starting from 0 will then be appended to the\n"
" output filename, just before the \"pgx\" extension. If a PGM filename\n"
" is given and there are more than one component, only the first component\n"
" will be written to the file.\n"
" -r <reduce factor>\n"
" Set the number of highest resolution levels to be discarded. The\n"
" image resolution is effectively divided by 2 to the power of the\n"
" number of discarded levels. The reduce factor is limited by the\n"
" smallest total number of decomposition levels among tiles.\n"
" -l <number of quality layers to decode>\n"
" Set the maximum number of quality layers to decode. If there are\n"
" less quality layers than the specified number, all the quality layers\n"
" are decoded.\n"
" -x \n"
" Create an index file *.Idx (-x index_name.Idx) \n"
" -d <x0,y0,x1,y1>\n"
" OPTIONAL\n"
" Decoding area\n"
" By default all the image is decoded.\n"
" -t <tile_number>\n"
" OPTIONAL\n"
" Set the tile number of the decoded tile. Follow the JPEG2000 convention from left-up to bottom-up\n"
" By default all tiles are decoded.\n"
" -p <comp 0 precision>[C|S][,<comp 1 precision>[C|S][,...]]\n"
" OPTIONAL\n"
" Force the precision (bit depth) of components.\n"
" There shall be at least 1 value. Theres no limit on the number of values (comma separated, last values ignored if too much values).\n"
" If there are less values than components, the last value is used for remaining components.\n"
" If 'C' is specified (default), values are clipped.\n"
" If 'S' is specified, values are scaled.\n"
" A 0 value can be specified (meaning original bit depth).\n"
"\n");
/* UniPG>> */
#ifdef USE_JPWL
fprintf(stdout," -W <options>\n");
fprintf(stdout," Activates the JPWL correction capability, if the codestream complies.\n");
fprintf(stdout," Options can be a comma separated list of <param=val> tokens:\n");
fprintf(stdout," c, c=numcomps\n");
fprintf(stdout," numcomps is the number of expected components in the codestream\n");
fprintf(stdout," (search of first EPB rely upon this, default is %d)\n", JPWL_EXPECTED_COMPONENTS);
fprintf(stdout," -W <options>\n"
" Activates the JPWL correction capability, if the codestream complies.\n"
" Options can be a comma separated list of <param=val> tokens:\n"
" c, c=numcomps\n"
" numcomps is the number of expected components in the codestream\n"
" (search of first EPB rely upon this, default is %d)\n", JPWL_EXPECTED_COMPONENTS);
#endif /* USE_JPWL */
/* <<UniPG */
fprintf(stdout,"\n");
@ -166,6 +220,111 @@ static void decode_help_display(void) {
/* -------------------------------------------------------------------------- */
static OPJ_BOOL parse_precision(const char* option, opj_decompress_parameters* parameters)
{
const char* l_remaining = option;
OPJ_BOOL l_result = OPJ_TRUE;
/* reset */
if (parameters->precision) {
free(parameters->precision);
parameters->precision = NULL;
}
parameters->nb_precision = 0U;
for(;;)
{
OPJ_UINT32 prec;
char mode;
char comma;
int count;
count = sscanf(l_remaining, "%d%c%c", &prec, &mode, &comma);
if (count == 1) {
mode = 'C';
count++;
}
if ((count == 2) || (mode==',')) {
if (mode==',') {
mode = 'C';
}
comma=',';
count = 3;
}
if (count == 3) {
if (prec > 32U) {
fprintf(stderr,"Invalid precision %d in precision option %s\n", prec, option);
l_result = OPJ_FALSE;
break;
}
if ((mode != 'C') && (mode != 'S')) {
fprintf(stderr,"Invalid precision mode %c in precision option %s\n", mode, option);
l_result = OPJ_FALSE;
break;
}
if (comma != ',') {
fprintf(stderr,"Invalid character %c in precision option %s\n", comma, option);
l_result = OPJ_FALSE;
break;
}
if (parameters->precision == NULL) {
/* first one */
parameters->precision = malloc(sizeof(opj_precision));
if (parameters->precision == NULL) {
fprintf(stderr,"Could not allocate memory for precision option\n");
l_result = OPJ_FALSE;
break;
}
} else {
OPJ_UINT32 l_new_size = parameters->nb_precision + 1U;
opj_precision* l_new;
if (l_new_size == 0U) {
fprintf(stderr,"Could not allocate memory for precision option\n");
l_result = OPJ_FALSE;
break;
}
l_new = realloc(parameters->precision, l_new_size * sizeof(opj_precision));
if (l_new == NULL) {
fprintf(stderr,"Could not allocate memory for precision option\n");
l_result = OPJ_FALSE;
break;
}
parameters->precision = l_new;
}
parameters->precision[parameters->nb_precision].prec = prec;
switch (mode) {
case 'C':
parameters->precision[parameters->nb_precision].mode = OPJ_PREC_MODE_CLIP;
break;
case 'S':
parameters->precision[parameters->nb_precision].mode = OPJ_PREC_MODE_SCALE;
break;
default:
break;
}
parameters->nb_precision++;
l_remaining = strchr(l_remaining, ',');
if (l_remaining == NULL) {
break;
}
l_remaining += 1;
} else {
fprintf(stderr,"Could not parse precision option %s\n", option);
l_result = OPJ_FALSE;
break;
}
}
return l_result;
}
/* -------------------------------------------------------------------------- */
int get_num_images(char *imgdirpath){
DIR *dir;
struct dirent* content;
@ -234,7 +393,7 @@ int get_file_format(const char *filename) {
}
/* -------------------------------------------------------------------------- */
char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_dparameters_t *parameters){
char get_next_file(int imageno,dircnt_t *dirptr,img_fol_t *img_fol, opj_decompress_parameters *parameters){
char image_filename[OPJ_PATH_LEN], infilename[OPJ_PATH_LEN],outfilename[OPJ_PATH_LEN],temp_ofname[OPJ_PATH_LEN];
char *temp_p, temp1[OPJ_PATH_LEN]="";
@ -320,7 +479,7 @@ static int infile_format(const char *fname)
* Parse the command line
*/
/* -------------------------------------------------------------------------- */
int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,img_fol_t *img_fol, char *indexfilename) {
int parse_cmdline_decoder(int argc, char **argv, opj_decompress_parameters *parameters,img_fol_t *img_fol, char *indexfilename) {
/* parse the command line */
int totlen, c;
opj_option_t long_option[]={
@ -328,7 +487,7 @@ int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,i
{"OutFor",REQ_ARG, NULL ,'O'}
};
const char optlist[] = "i:o:r:l:x:d:t:"
const char optlist[] = "i:o:r:l:x:d:t:p:"
/* UniPG>> */
#ifdef USE_JPWL
@ -448,7 +607,7 @@ int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,i
case 'r': /* reduce option */
{
sscanf(opj_optarg, "%ud", &parameters->cp_reduce);
sscanf(opj_optarg, "%ud", &(parameters->core.cp_reduce));
}
break;
@ -457,7 +616,7 @@ int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,i
case 'l': /* layering option */
{
sscanf(opj_optarg, "%ud", &parameters->cp_layer);
sscanf(opj_optarg, "%ud", &(parameters->core.cp_layer));
}
break;
@ -510,7 +669,18 @@ int parse_cmdline_decoder(int argc, char **argv, opj_dparameters_t *parameters,i
strncpy(indexfilename, index, OPJ_PATH_LEN);
}
break;
/* ----------------------------------------------------- */
case 'p': /* Force precision */
{
if (!parse_precision(opj_optarg, parameters))
{
return 1;
}
}
break;
/* ----------------------------------------------------- */
/* UniPG>> */
#ifdef USE_JPWL
@ -672,6 +842,30 @@ static void info_callback(const char *msg, void *client_data) {
fprintf(stdout, "[INFO] %s", msg);
}
static void set_default_parameters(opj_decompress_parameters* parameters)
{
if (parameters) {
memset(parameters, 0, sizeof(opj_decompress_parameters));
/* default decoding parameters (command line specific) */
parameters->decod_format = -1;
parameters->cod_format = -1;
/* default decoding parameters (core) */
opj_set_default_decoder_parameters(&(parameters->core));
}
}
static void destroy_parameters(opj_decompress_parameters* parameters)
{
if (parameters) {
if (parameters->precision) {
free(parameters->precision);
parameters->precision = NULL;
}
}
}
/* -------------------------------------------------------------------------- */
/**
* OPJ_DECOMPRESS MAIN
@ -679,7 +873,7 @@ static void info_callback(const char *msg, void *client_data) {
/* -------------------------------------------------------------------------- */
int main(int argc, char **argv)
{
opj_dparameters_t parameters; /* decompression parameters */
opj_decompress_parameters parameters; /* decompression parameters */
opj_image_t* image = NULL;
opj_stream_t *l_stream = NULL; /* Stream */
opj_codec_t* l_codec = NULL; /* Handle to a decompressor */
@ -693,7 +887,7 @@ int main(int argc, char **argv)
int failed = 0;
/* set decoding parameters to default values */
opj_set_default_decoder_parameters(&parameters);
set_default_parameters(&parameters);
/* FIXME Initialize indexfilename and img_fol */
*indexfilename = 0;
@ -703,6 +897,7 @@ int main(int argc, char **argv)
/* parse input and get user encoding parameters */
if(parse_cmdline_decoder(argc, argv, &parameters,&img_fol, indexfilename) == 1) {
destroy_parameters(&parameters);
return EXIT_FAILURE;
}
@ -717,6 +912,7 @@ int main(int argc, char **argv)
dirptr->filename = (char**) malloc((size_t)num_images*sizeof(char*));
if(!dirptr->filename_buf){
destroy_parameters(&parameters);
return EXIT_FAILURE;
}
for(it_image=0;it_image<num_images;it_image++){
@ -724,10 +920,12 @@ int main(int argc, char **argv)
}
}
if(load_images(dirptr,img_fol.imgdirpath)==1){
destroy_parameters(&parameters);
return EXIT_FAILURE;
}
if (num_images==0){
fprintf(stdout,"Folder is empty\n");
destroy_parameters(&parameters);
return EXIT_FAILURE;
}
}else{
@ -742,6 +940,7 @@ int main(int argc, char **argv)
if(img_fol.set_imgdir==1){
if (get_next_file(imageno, dirptr,&img_fol, &parameters)) {
fprintf(stderr,"skipping file...\n");
destroy_parameters(&parameters);
continue;
}
}
@ -752,6 +951,7 @@ int main(int argc, char **argv)
l_stream = opj_stream_create_default_file_stream(parameters.infile,1);
if (!l_stream){
fprintf(stderr, "ERROR -> failed to create the stream from the file %s\n", parameters.infile);
destroy_parameters(&parameters);
return EXIT_FAILURE;
}
@ -779,6 +979,7 @@ int main(int argc, char **argv)
}
default:
fprintf(stderr, "skipping file..\n");
destroy_parameters(&parameters);
opj_stream_destroy(l_stream);
continue;
}
@ -789,8 +990,9 @@ int main(int argc, char **argv)
opj_set_error_handler(l_codec, error_callback,00);
/* Setup the decoder decoding parameters using user parameters */
if ( !opj_setup_decoder(l_codec, &parameters) ){
if ( !opj_setup_decoder(l_codec, &(parameters.core)) ){
fprintf(stderr, "ERROR -> opj_compress: failed to setup the decoder\n");
destroy_parameters(&parameters);
opj_stream_destroy(l_stream);
opj_destroy_codec(l_codec);
return EXIT_FAILURE;
@ -800,6 +1002,7 @@ int main(int argc, char **argv)
/* Read the main header of the codestream and if necessary the JP2 boxes*/
if(! opj_read_header(l_stream, l_codec, &image)){
fprintf(stderr, "ERROR -> opj_decompress: failed to read the header\n");
destroy_parameters(&parameters);
opj_stream_destroy(l_stream);
opj_destroy_codec(l_codec);
opj_image_destroy(image);
@ -811,6 +1014,7 @@ int main(int argc, char **argv)
if (!opj_set_decode_area(l_codec, image, (OPJ_INT32)parameters.DA_x0,
(OPJ_INT32)parameters.DA_y0, (OPJ_INT32)parameters.DA_x1, (OPJ_INT32)parameters.DA_y1)){
fprintf(stderr, "ERROR -> opj_decompress: failed to set the decoded area\n");
destroy_parameters(&parameters);
opj_stream_destroy(l_stream);
opj_destroy_codec(l_codec);
opj_image_destroy(image);
@ -820,6 +1024,7 @@ int main(int argc, char **argv)
/* Get the decoded image */
if (!(opj_decode(l_codec, l_stream, image) && opj_end_decompress(l_codec, l_stream))) {
fprintf(stderr,"ERROR -> opj_decompress: failed to decode image!\n");
destroy_parameters(&parameters);
opj_destroy_codec(l_codec);
opj_stream_destroy(l_stream);
opj_image_destroy(image);
@ -839,6 +1044,7 @@ int main(int argc, char **argv)
if (!opj_get_decoded_tile(l_codec, l_stream, image, parameters.tile_index)) {
fprintf(stderr, "ERROR -> opj_decompress: failed to decode tile!\n");
destroy_parameters(&parameters);
opj_destroy_codec(l_codec);
opj_stream_destroy(l_stream);
opj_image_destroy(image);
@ -868,6 +1074,39 @@ int main(int argc, char **argv)
free(image->icc_profile_buf);
image->icc_profile_buf = NULL; image->icc_profile_len = 0;
}
/* Force output precision */
/* ---------------------- */
if (parameters.precision != NULL)
{
OPJ_UINT32 compno;
for (compno = 0; compno < image->numcomps; ++compno)
{
OPJ_UINT32 precno = compno;
OPJ_UINT32 prec;
if (precno >= parameters.nb_precision) {
precno = parameters.nb_precision - 1U;
}
prec = parameters.precision[precno].prec;
if (prec == 0) {
prec = image->comps[compno].prec;
}
switch (parameters.precision[precno].mode) {
case OPJ_PREC_MODE_CLIP:
clip_component(&(image->comps[compno]), prec);
break;
case OPJ_PREC_MODE_SCALE:
scale_component(&(image->comps[compno]), prec);
break;
default:
break;
}
}
}
/* create output image */
/* ------------------- */
@ -974,6 +1213,7 @@ int main(int argc, char **argv)
if(failed) remove(parameters.outfile);
}
destroy_parameters(&parameters);
return failed ? EXIT_FAILURE : EXIT_SUCCESS;
}
/*end main*/

1
tests/conformance/CMakeLists.txt
View File

@ -439,6 +439,7 @@ foreach(numFileJP2 RANGE 1 9)
COMMAND opj_decompress
-i ${INPUT_CONF}/${filenameInput}
-o ${TEMP}/${filenameInput}.tif
-p 8S
)
add_test(NAME ETS-JP2-${filenameInput}-compare2ref