added the ability to specify the rate as "float" (before : integer)

ChangeLog

@@ -5,6 +5,9 @@ What's New for OpenJPEG
 ! : changed
 + : added
 
+October 31, 2006
++ [Antonin] added the ability to specify the rate as "float" (before : integer)
+
 August 18, 2006
 * [Antonin] fixed a bug in j2k_to_image.c, that prevented the -l option to work correctly.
 

codec/image_to_j2k.c

@@ -272,7 +272,7 @@ int parse_cmdline_encoder(int argc, char **argv, opj_cparameters_t *parameters)
 			case 'r':			/* rates rates/distorsion */
 			{
 				char *s = optarg;
-				while (sscanf(s, "%d", &parameters->tcp_rates[parameters->tcp_numlayers]) == 1) {
+				while (sscanf(s, "%f", &parameters->tcp_rates[parameters->tcp_numlayers]) == 1) {
 					parameters->tcp_numlayers++;
 					while (*s && *s != ',') {
 						s++;

libopenjpeg/j2k.c

@@ -259,7 +259,7 @@ void j2k_dump_cp(FILE *fd, opj_image_t * img, opj_cp_t * cp) {
 		fprintf(fd, "    mct=%d\n", tcp->mct);
 		fprintf(fd, "    rates=");
 		for (layno = 0; layno < tcp->numlayers; layno++) {
-			fprintf(fd, "%d ", tcp->rates[layno]);
+			fprintf(fd, "%.1f ", tcp->rates[layno]);
 		}
 		fprintf(fd, "\n");
 		for (compno = 0; compno < img->numcomps; compno++) {

libopenjpeg/j2k.h

@@ -151,7 +151,7 @@ typedef struct opj_tcp {
 	/** multi-component transform identifier */
 	int mct;
 	/** rates of layers */
-	int rates[100];
+	float rates[100];
 	/** number of progression order changes */
 	int numpocs;
 	/** indicates if a POC marker has been used O:NO, 1:YES */

libopenjpeg/openjpeg.h

@@ -216,7 +216,7 @@ typedef struct opj_cparameters {
 	/** number of layers */
 	int tcp_numlayers;
 	/** rates of layers */
-	int tcp_rates[100];
+	float tcp_rates[100];
 	/** different psnr for successive layers */
 	float tcp_distoratio[100];
 	/** number of resolutions */

libopenjpeg/tcd.c

@@ -149,11 +149,11 @@ void tcd_malloc_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int c
 		/* Modification of the RATE >> */
 		for (j = 0; j < tcp->numlayers; j++) {
 			tcp->rates[j] = tcp->rates[j] ? 
-				int_ceildiv(tile->numcomps 
+				((float) (tile->numcomps 
 					* (tile->x1 - tile->x0) 
 					* (tile->y1 - tile->y0) 
-					* image->comps[0].prec, 
+					* image->comps[0].prec))/ 
-					(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) 
+					(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy) + 34
 					: 0;
 
 			if (tcp->rates[j]) {
@@ -394,12 +394,12 @@ void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp, int cur
 		/* Modification of the RATE >> */
 		for (j = 0; j < tcp->numlayers; j++) {
 			tcp->rates[j] = tcp->rates[j] ? 
-				int_ceildiv(tile->numcomps 
+						((float) (tile->numcomps 
-				* (tile->x1 - tile->x0) 
+								* (tile->x1 - tile->x0) 
-				* (tile->y1 - tile->y0) 
+								* (tile->y1 - tile->y0) 
-				* image->comps[0].prec, 
+								* image->comps[0].prec))/ 
-				(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy)) 
+						(tcp->rates[j] * 8 * image->comps[0].dx * image->comps[0].dy) 
-				: 0;
+						: 0;
 
 			if (tcp->rates[j]) {
 				if (j && tcp->rates[j] < tcp->rates[j - 1] + 10) {
@@ -1020,7 +1020,7 @@ bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_image_in
 		double hi = max;
 		int success = 0;
 		/* TODO: remove maxlen */
-		int maxlen = tcd_tcp->rates[layno] ? int_min(tcd_tcp->rates[layno], len) : len;
+		int maxlen = tcd_tcp->rates[layno] ? (tcd_tcp->rates[layno] < len ? tcd_tcp->rates[layno] : len) : len;
 		double goodthresh = 0;
 		int i;
 		double distotarget;		/* fixed_quality */