[trunk] JP3D: Fix issue with Z handling in packet iterator

diff --git a/src/lib/openjp3d/pi.c b/src/lib/openjp3d/pi.c
index 185d26209bb3829610bca4219790452dc5acf6b6..44c7c5292cf1b041267b785bd526fb16e4c8c626 100644 (file)
--- a/src/lib/openjp3d/pi.c
+++ b/src/lib/openjp3d/pi.c
@@ -358,13 +358,16 @@ static bool pi_next_cprl(opj_pi_iterator_t * pi) {
                comp = &pi->comps[pi->compno];
                pi->dx = 0;
                pi->dy = 0;
+               pi->dz = 0;
                for (resno = 0; resno < comp->numresolution[0]; resno++) {
-                       int dx, dy;
+                       int dx, dy, dz;
                        res = &comp->resolutions[resno];
                        dx = comp->dx * (1 << (res->pdx + comp->numresolution[0] - 1 - resno));
-                       dy = comp->dy * (1 << (res->pdy + comp->numresolution[0] - 1 - resno));
+                       dy = comp->dy * (1 << (res->pdy + comp->numresolution[1] - 1 - resno));
+                       dz = comp->dz * (1 << (res->pdz + comp->numresolution[2] - 1 - resno));
                        pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
                        pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
+                       pi->dz = !pi->dz ? dz : int_min(pi->dz, dz);
                }
        for (pi->z = pi->tz0; pi->z < pi->tz1; pi->z += pi->dz - (pi->z % pi->dz)) {
                for (pi->y = pi->ty0; pi->y < pi->ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
@@ -522,7 +525,7 @@ opj_pi_iterator_t *pi_create(opj_volume_t *volume, opj_cp_t *cp, int tileno) {
                                }
                                levelnox = comp->numresolution[0] - 1 - resno;
                                levelnoy = comp->numresolution[1] - 1 - resno;
-                levelnoz = comp->numresolution[2] - 1 - resno;
+        levelnoz = comp->numresolution[2] - 1 - resno;
                                if (levelnoz < 0) levelnoz = 0; 
                                diff = comp->numresolution[0] - comp->numresolution[2];