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Fixed issues with Reading and Writing TIF images in convert.c to avoid segmentation fault. 

Fixed issues relating to using user specified rates for CINEMA option for multiple images.
This commit is contained in:
Parvatha Elangovan 2007-09-18 13:07:29 +00:00
parent 55c4c14352
commit a6ba04cdf4
5 changed files with 258 additions and 79 deletions
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4
ChangeLog
View File

@ -5,6 +5,10 @@ What's New for OpenJPEG
! : changed
+ : added
September 18, 2007
* [Parvatha] Fixed issues with Reading and Writing TIF images in convert.c to avoid segmentation fault.
* [Parvatha] Fixed issues relating to using user specified rates for CINEMA option for multiple images.
September 17, 2007
* [FOD] Fixed issues with cstr_info when codestream has components with different number of resolutions.
! [FOD] OpenJPEG library interface modified to retain compatibility with version 1.2

225
codec/convert.c
View File

@ -1423,8 +1423,9 @@ typedef struct tiff_infoheader{
}tiff_infoheader_t;
int imagetotif(opj_image_t * image, const char *outfile) {
int width, height;
int bps,index;
int width, height, imgsize;
int bps,index,adjust = 0;
int last_i=0;
TIFF *tif;
tdata_t buf;
tstrip_t strip;
@ -1449,6 +1450,7 @@ int imagetotif(opj_image_t * image, const char *outfile) {
width = image->comps[0].w;
height = image->comps[0].h;
imgsize = image->comps[0].w * image->comps[0].h ;
bps = image->comps[0].prec;
/* Set tags */
TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width);
@ -1465,39 +1467,163 @@ int imagetotif(opj_image_t * image, const char *outfile) {
index=0;
strip_size=0;
strip_size=TIFFStripSize(tif);
adjust = image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0;
for (strip = 0; strip < TIFFNumberOfStrips(tif); strip++) {
unsigned char *dat8;
int i;
int i, ssize;
ssize = TIFFStripSize(tif);
dat8 = buf;
if (image->comps[0].prec == 8){
for (i=0; i<TIFFStripSize(tif); i+=3) { // 8 bits per pixel
dat8[i+0] = image->comps[0].data[index] ; // R
dat8[i+1] = image->comps[1].data[index] ; // G
dat8[i+2] = image->comps[2].data[index] ; // B
for (i=0; i<ssize-2; i+=3) { // 8 bits per pixel
int r = 0,g = 0,b = 0;
if(index < imgsize){
r = image->comps[0].data[index];
g = image->comps[1].data[index];
b = image->comps[2].data[index];
if (image->comps[0].sgnd){
r += adjust;
g += adjust;
b += adjust;
}
dat8[i+0] = r ; // R
dat8[i+1] = g ; // G
dat8[i+2] = b ; // B
index++;
last_i = i+3;
}else
break;
}
if(last_i < ssize){
for (i=last_i; i<ssize; i+=3) { // 8 bits per pixel
int r = 0,g = 0,b = 0;
if(index < imgsize){
r = image->comps[0].data[index];
g = image->comps[1].data[index];
b = image->comps[2].data[index];
if (image->comps[0].sgnd){
r += adjust;
g += adjust;
b += adjust;
}
dat8[i+0] = r ; // R
if(i+1 <ssize) dat8[i+1] = g ; else break;// G
if(i+2 <ssize) dat8[i+2] = b ; else break;// B
index++;
}else
break;
}
}
}else if (image->comps[0].prec == 12){
for (i=0; i<TIFFStripSize(tif); i+=9) { // 12 bits per pixel
dat8[i+0] = (image->comps[0].data[index]>>8)<<4 | (image->comps[0].data[index]>>4);
dat8[i+1] = (image->comps[0].data[index]<<4)|((image->comps[1].data[index]>>8)& 0x0f);
dat8[i+2] = (image->comps[1].data[index]);
dat8[i+3] = (image->comps[2].data[index]>>8)<<4 | (image->comps[2].data[index]>>4);
dat8[i+4] = (image->comps[2].data[index]<<4)|((image->comps[0].data[index+1]>>8)& 0x0f);
dat8[i+5] = (image->comps[0].data[index+1]);
dat8[i+6] = (image->comps[1].data[index+1]>>8)<<4 | (image->comps[1].data[index+1]>>4);
dat8[i+7] = (image->comps[1].data[index+1]<<4)|((image->comps[2].data[index+1]>>8)& 0x0f);
dat8[i+8] = (image->comps[2].data[index+1]);
for (i=0; i<ssize-8; i+=9) { // 12 bits per pixel
int r = 0,g = 0,b = 0;
int r1 = 0,g1 = 0,b1 = 0;
if((index < imgsize)&(index+1 < imgsize)){
r = image->comps[0].data[index];
g = image->comps[1].data[index];
b = image->comps[2].data[index];
r1 = image->comps[0].data[index+1];
g1 = image->comps[1].data[index+1];
b1 = image->comps[2].data[index+1];
if (image->comps[0].sgnd){
r += adjust;
g += adjust;
b += adjust;
r1 += adjust;
g1 += adjust;
b1 += adjust;
}
dat8[i+0] = (r >> 4);
dat8[i+1] = ((r & 0x0f) << 4 )|((g >> 8)& 0x0f);
dat8[i+2] = g ;
dat8[i+3] = (b >> 4);
dat8[i+4] = ((b & 0x0f) << 4 )|((r1 >> 8)& 0x0f);
dat8[i+5] = r1;
dat8[i+6] = (g1 >> 4);
dat8[i+7] = ((g1 & 0x0f)<< 4 )|((b1 >> 8)& 0x0f);
dat8[i+8] = b1;
index+=2;
last_i = i+9;
}else
break;
}
if(last_i < ssize){
for (i= last_i; i<ssize; i+=9) { // 12 bits per pixel
int r = 0,g = 0,b = 0;
int r1 = 0,g1 = 0,b1 = 0;
if((index < imgsize)&(index+1 < imgsize)){
r = image->comps[0].data[index];
g = image->comps[1].data[index];
b = image->comps[2].data[index];
r1 = image->comps[0].data[index+1];
g1 = image->comps[1].data[index+1];
b1 = image->comps[2].data[index+1];
if (image->comps[0].sgnd){
r += adjust;
g += adjust;
b += adjust;
r1 += adjust;
g1 += adjust;
b1 += adjust;
}
dat8[i+0] = (r >> 4);
if(i+1 <ssize) dat8[i+1] = ((r & 0x0f) << 4 )|((g >> 8)& 0x0f); else break;
if(i+2 <ssize) dat8[i+2] = g ; else break;
if(i+3 <ssize) dat8[i+3] = (b >> 4); else break;
if(i+4 <ssize) dat8[i+4] = ((b & 0x0f) << 4 )|((r1 >> 8)& 0x0f);else break;
if(i+5 <ssize) dat8[i+5] = r1; else break;
if(i+6 <ssize) dat8[i+6] = (g1 >> 4); else break;
if(i+7 <ssize) dat8[i+7] = ((g1 & 0x0f)<< 4 )|((b1 >> 8)& 0x0f);else break;
if(i+8 <ssize) dat8[i+8] = b1; else break;
index+=2;
}else
break;
}
}
}else if (image->comps[0].prec == 16){
for (i=0; i<TIFFStripSize(tif); i+=6) { // 16 bits per pixel
dat8[i+0] = image->comps[0].data[index];//LSB
dat8[i+1] = (image->comps[0].data[index]>> 8);//MSB
dat8[i+2] = image->comps[1].data[index];
dat8[i+3] = (image->comps[1].data[index]>> 8);
dat8[i+4] = image->comps[2].data[index];
dat8[i+5] = (image->comps[2].data[index]>> 8);
for (i=0 ; i<ssize-5 ; i+=6) { // 16 bits per pixel
int r = 0,g = 0,b = 0;
if(index < imgsize){
r = image->comps[0].data[index];
g = image->comps[1].data[index];
b = image->comps[2].data[index];
if (image->comps[0].sgnd){
r += adjust;
g += adjust;
b += adjust;
}
dat8[i+0] = r;//LSB
dat8[i+1] = (r >> 8);//MSB
dat8[i+2] = g;
dat8[i+3] = (g >> 8);
dat8[i+4] = b;
dat8[i+5] = (b >> 8);
index++;
last_i = i+6;
}else
break;
}
if(last_i < ssize){
for (i=0 ; i<ssize ; i+=6) { // 16 bits per pixel
int r = 0,g = 0,b = 0;
if(index < imgsize){
r = image->comps[0].data[index];
g = image->comps[1].data[index];
b = image->comps[2].data[index];
if (image->comps[0].sgnd){
r += adjust;
g += adjust;
b += adjust;
}
dat8[i+0] = r;//LSB
if(i+1 <ssize) dat8[i+1] = (r >> 8);else break;//MSB
if(i+2 <ssize) dat8[i+2] = g; else break;
if(i+3 <ssize) dat8[i+3] = (g >> 8);else break;
if(i+4 <ssize) dat8[i+4] = b; else break;
if(i+5 <ssize) dat8[i+5] = (b >> 8);else break;
index++;
}else
break;
}
}
}else{
fprintf(stderr,"Bits=%d, Only 8,12,16 bits implemented\n",image->comps[0].prec);
@ -1544,20 +1670,37 @@ int imagetotif(opj_image_t * image, const char *outfile) {
dat8 = buf;
if (image->comps[0].prec == 8){
for (i=0; i<TIFFStripSize(tif); i+=1) { // 8 bits per pixel
dat8[i+0] = image->comps[0].data[index] ;
int r = 0;
r = image->comps[0].data[index];
if (image->comps[0].sgnd){
r += adjust;
}
dat8[i+0] = r;
index++;
}
}else if (image->comps[0].prec == 12){
for (i = 0; i<TIFFStripSize(tif); i+=3) { // 12 bits per pixel
dat8[i+0] = (image->comps[0].data[index]>>8)<<4 | (image->comps[0].data[index]>>4);
dat8[i+1] = (image->comps[0].data[index]<<4)|((image->comps[0].data[index+1]>>8)& 0x0f);
dat8[i+2] = (image->comps[0].data[index+1]);
int r = 0, r1 = 0;
r = image->comps[0].data[index];
r1 = image->comps[0].data[index+1];
if (image->comps[0].sgnd){
r += adjust;
r1 += adjust;
}
dat8[i+0] = (r >> 4);
dat8[i+1] = ((r & 0x0f) << 4 )|((r1 >> 8)& 0x0f);
dat8[i+2] = r1 ;
index+=2;
}
}else if (image->comps[0].prec == 16){
for (i=0; i<TIFFStripSize(tif); i+=2) { // 16 bits per pixel
dat8[i+0] = image->comps[0].data[index];
dat8[i+1] = (image->comps[0].data[index]>> 8);
int r = 0;
r = image->comps[0].data[index];
if (image->comps[0].sgnd){
r += adjust;
}
dat8[i+0] = r;
dat8[i+1] = r >> 8;
index++;
}
}else{
@ -1590,6 +1733,7 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
OPJ_COLOR_SPACE color_space;
opj_image_cmptparm_t cmptparm[3];
opj_image_t * image = NULL;
int imgsize;
tif = TIFFOpen(filename, "r");
@ -1649,6 +1793,7 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
strip_size=0;
strip_size=TIFFStripSize(tif);
index = 0;
imgsize = image->comps[0].w * image->comps[0].h ;
/* Read the Image components*/
for (strip = 0; strip < TIFFNumberOfStrips(tif); strip++) {
unsigned char *dat8;
@ -1658,6 +1803,7 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
if (Info.tiBps==12){
for (i=0; i<ssize; i+=9) { /*12 bits per pixel*/
if((index < imgsize)&(index+1 < imgsize)){
image->comps[0].data[index] = ( dat8[i+0]<<4 ) |(dat8[i+1]>>4);
image->comps[1].data[index] = ((dat8[i+1]& 0x0f)<< 8) | dat8[i+2];
image->comps[2].data[index] = ( dat8[i+3]<<4) |(dat8[i+4]>>4);
@ -1665,10 +1811,13 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
image->comps[1].data[index+1] = ( dat8[i+6] <<4) |(dat8[i+7]>>4);
image->comps[2].data[index+1] = ((dat8[i+7]& 0x0f)<< 8) | dat8[i+8];
index+=2;
}else
break;
}
}
else if( Info.tiBps==16){
for (i=0; i<ssize; i+=6) { /* 16 bits per pixel */
if(index < imgsize){
image->comps[0].data[index] = ( dat8[i+1] << 8 ) | dat8[i+0]; // R
image->comps[1].data[index] = ( dat8[i+3] << 8 ) | dat8[i+2]; // G
image->comps[2].data[index] = ( dat8[i+5] << 8 ) | dat8[i+4]; // B
@ -1678,10 +1827,13 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
image->comps[2].data[index] = (image->comps[2].data[index] + 0x08) >> 4 ;
}
index++;
}else
break;
}
}
else if ( Info.tiBps==8){
for (i=0; i<ssize; i+=3) { /* 8 bits per pixel */
if(index < imgsize){
image->comps[0].data[index] = dat8[i+0];// R
image->comps[1].data[index] = dat8[i+1];// G
image->comps[2].data[index] = dat8[i+2];// B
@ -1691,6 +1843,8 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
image->comps[2].data[index] = image->comps[2].data[index] << 4 ;
}
index++;
}else
break;
}
}
else{
@ -1744,21 +1898,30 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
if (Info.tiBps==12){
for (i=0; i<ssize; i+=3) { /* 12 bits per pixel*/
if(index < imgsize){
image->comps[0].data[index] = ( dat8[i+0]<<4 ) |(dat8[i+1]>>4) ;
image->comps[0].data[index] = ((dat8[i+1]& 0x0f)<< 8) | dat8[i+2];
image->comps[0].data[index+1] = ((dat8[i+1]& 0x0f)<< 8) | dat8[i+2];
index+=2;
}else
break;
}
}
else if( Info.tiBps==16){
for (i=0; i<ssize; i+=2) { /* 16 bits per pixel */
if(index < imgsize){
image->comps[0].data[index] = ( dat8[i+1] << 8 ) | dat8[i+0];
index++;
}else
break;
}
}
else if ( Info.tiBps==8){
for (i=0; i<ssize; i+=1) { /* 8 bits per pixel */
if(index < imgsize){
image->comps[0].data[index] = dat8[i+0];
index++;
}else
break;
}
}
else{

22
codec/image_to_j2k.c
View File

@ -80,6 +80,8 @@ typedef struct img_folder{
char set_imgdir;
/** Enable Cod Format for output*/
char set_out_format;
/** User specified rate stored in case of cinema option*/
float *rates;
}img_fol_t;
void encode_help_display() {
@ -482,7 +484,7 @@ void cinema_parameters(opj_cparameters_t *parameters){
}
void cinema_setup_encoder(opj_cparameters_t *parameters,opj_image_t *image){
void cinema_setup_encoder(opj_cparameters_t *parameters,opj_image_t *image, img_fol_t *img_fol){
int i;
float temp_rate;
opj_poc_t *POC = NULL;
@ -522,15 +524,17 @@ void cinema_setup_encoder(opj_cparameters_t *parameters,opj_image_t *image){
case CINEMA4K_24:
for(i=0 ; i<parameters->tcp_numlayers ; i++){
temp_rate = 0 ;
if (parameters->tcp_rates[i]== 0){
if (img_fol->rates[i]== 0){
parameters->tcp_rates[0]= ((float) (image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec))/
(CINEMA_24_CS * 8 * image->comps[0].dx * image->comps[0].dy);
}else{
temp_rate =((float) (image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec))/
(parameters->tcp_rates[i] * 8 * image->comps[0].dx * image->comps[0].dy);
(img_fol->rates[i] * 8 * image->comps[0].dx * image->comps[0].dy);
if (temp_rate > CINEMA_24_CS ){
parameters->tcp_rates[i]= ((float) (image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec))/
(CINEMA_24_CS * 8 * image->comps[0].dx * image->comps[0].dy);
}else{
parameters->tcp_rates[i]= img_fol->rates[i];
}
}
}
@ -540,15 +544,17 @@ void cinema_setup_encoder(opj_cparameters_t *parameters,opj_image_t *image){
case CINEMA2K_48:
for(i=0 ; i<parameters->tcp_numlayers ; i++){
temp_rate = 0 ;
if (parameters->tcp_rates[i]== 0){
if (img_fol->rates[i]== 0){
parameters->tcp_rates[0]= ((float) (image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec))/
(CINEMA_48_CS * 8 * image->comps[0].dx * image->comps[0].dy);
}else{
temp_rate =((float) (image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec))/
(parameters->tcp_rates[i] * 8 * image->comps[0].dx * image->comps[0].dy);
(img_fol->rates[i] * 8 * image->comps[0].dx * image->comps[0].dy);
if (temp_rate > CINEMA_48_CS ){
parameters->tcp_rates[0]= ((float) (image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec))/
(CINEMA_48_CS * 8 * image->comps[0].dx * image->comps[0].dy);
}else{
parameters->tcp_rates[i]= img_fol->rates[i];
}
}
}
@ -1766,6 +1772,10 @@ int main(int argc, char **argv) {
}
if (parameters.cp_cinema){
img_fol.rates = (float*)malloc(parameters.tcp_numlayers * sizeof(float));
for(i=0; i< parameters.tcp_numlayers; i++){
img_fol.rates[i] = parameters.tcp_rates[i];
}
cinema_parameters(&parameters);
}
@ -1894,7 +1904,7 @@ int main(int argc, char **argv) {
parameters.tcp_mct = image->numcomps == 3 ? 1 : 0;
if(parameters.cp_cinema){
cinema_setup_encoder(&parameters,image);
cinema_setup_encoder(&parameters,image,&img_fol);
}
/* encode the destination image */

3
libopenjpeg/t2.c
View File

@ -591,6 +591,7 @@ int t2_encode_packets(opj_t2_t* t2,int tileno, opj_tcd_tile_t *tile, int maxlaye
int poc;
opj_image_t *image = t2->image;
opj_cp_t *cp = t2->cp;
opj_tcp_t *tcp = &cp->tcps[tileno];
int pocno = cp->cinema == CINEMA4K_24? 2: 1;
int maxcomp = cp->max_comp_size > 0 ? image->numcomps : 1;
@ -645,7 +646,7 @@ int t2_encode_packets(opj_t2_t* t2,int tileno, opj_tcd_tile_t *tile, int maxlaye
if (!cstr_info->packno) {
info_PK->start_pos = info_TL->end_header + 1;
} else {
info_PK->start_pos = (cp->tp_on && info_PK->start_pos) ? info_PK->start_pos : info_TL->packet[cstr_info->packno - 1].end_pos + 1;
info_PK->start_pos = ((cp->tp_on | tcp->POC)&& info_PK->start_pos) ? info_PK->start_pos : info_TL->packet[cstr_info->packno - 1].end_pos + 1;
}
info_PK->end_pos = info_PK->start_pos + e - 1;
info_PK->end_ph_pos += info_PK->start_pos - 1; // End of packet header which now only represents the distance

5
libopenjpeg/tcd.c
View File

@ -1069,11 +1069,12 @@ bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_codestre
==> possible to have some lossy layers and the last layer for sure lossless */
if ( ((cp->disto_alloc==1) && (tcd_tcp->rates[layno]>0)) || ((cp->fixed_quality==1) && (tcd_tcp->distoratio[layno]>0))) {
opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);
double thresh = 0;
for (i = 0; i < 32; i++) {
double thresh = (lo + hi) / 2;
int l = 0;
double distoachieved = 0; /* fixed_quality */
thresh = (lo + hi) / 2;
tcd_makelayer(tcd, layno, thresh, 0);
@ -1117,7 +1118,7 @@ bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_codestre
}
}
success = 1;
goodthresh = stable_thresh;
goodthresh = stable_thresh == 0? thresh : stable_thresh;
t2_destroy(t2);
} else {
success = 1;