walkero
/
openjpeg
1
0
Fork 0
Code Issues Pull Requests Projects Releases 1 Wiki Activity

opj-v1-branch created

This commit is contained in:
Antonin Descampe 2011-07-10 18:36:17 +00:00
parent 0358177c3f
commit c85e1a10cf
2 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
CHANGES
View File

@ -5,6 +5,11 @@ What's New for OpenJPEG
! : changed
+ : added
_______ R812 : OPJ-V1-BRANCH created ______________________________
July 10, 2011
! [antonin] improved encoding speed in t1_encode_cblks (credit to Giuseppe Baruffa)
July 3, 2011
* [antonin] fixed bmptoimage (see http://groups.google.com/group/openjpeg/browse_thread/thread/33a24c5896bf6391)
* [antonin] fixed handling of "jp2->meth" value (Restricted ICC profile handling currently not implemented)

3
libopenjpeg/t1.c
View File

@ -1413,6 +1413,7 @@ void t1_encode_cblks(
for (bandno = 0; bandno < res->numbands; ++bandno) {
opj_tcd_band_t* restrict band = &res->bands[bandno];
int bandconst = 8192 * 8192 / ((int) floor(band->stepsize * 8192));
for (precno = 0; precno < res->pw * res->ph; ++precno) {
opj_tcd_precinct_t *prc = &band->precincts[precno];
@ -1463,7 +1464,7 @@ void t1_encode_cblks(
datap[(j * cblk_w) + i] =
fix_mul(
tmp,
8192 * 8192 / ((int) floor(band->stepsize * 8192))) >> (11 - T1_NMSEDEC_FRACBITS);
bandconst) >> (11 - T1_NMSEDEC_FRACBITS);
}
}
}