found a bug in tcd.c that was preventing to find the correct threshold in tcd_rateallocate.c for high-precision images. Applied a temporary patch but a better solution should be found.

2 files changed, 4 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 1d7fa42d..70b61563 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,6 +6,9 @@ What's New for OpenJPEG
 + : added
 
 August 21, 2008
+* [antonin] found a bug in tcd.c that was preventing to find the correct threshold in tcd_rateallocate.c for high-precision images. Applied a temporary patch but a better solution should be found.
+
+August 21, 2008
 * [antonin] fixed a bug in image_to_j2k.c that was preventing the 'r' option to work properly (everything was compressed lossless regardless of the specified rate).
 
 August 8, 2008
diff --git a/libopenjpeg/tcd.c b/libopenjpeg/tcd.c
index 01ee3950..7f154f4b 100644
--- a/libopenjpeg/tcd.c
+++ b/libopenjpeg/tcd.c
@@ -1094,7 +1094,7 @@ bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_codestre
 			opj_t2_t *t2 = t2_create(tcd->cinfo, tcd->image, cp);
 			double thresh = 0;
 
-			for (i = 0; i < 32; i++) {
+			for (i = 0; i < 128; i++) {
 				int l = 0;
 				double distoachieved = 0;	/* fixed_quality */
 				thresh = (lo + hi) / 2;