[trunk] rework code to avoid a warning. this also remove a division and prefer bit-shift

2014-03-03 16:02:16 +00:00 · 2014-03-03 16:02:16 +00:00 · 765c4ab4f4
parent 24eca792ff
commit 765c4ab4f4
1 changed files with 5 additions and 0 deletions
--- a/src/lib/openjp2/t2.c
+++ b/src/lib/openjp2/t2.c
@ -547,8 +547,13 @@ OPJ_BOOL opj_t2_encode_packet(  OPJ_UINT32 tileno,
                c[1] = 145;
                c[2] = 0;
                c[3] = 4;
+#if 0
                c[4] = (tile->packno % 65536) / 256;
                c[5] = (tile->packno % 65536) % 256;
+#else
+                c[4] = (tile->packno >> 8) & 0xff; /* packno is uint32_t */
+                c[5] = tile->packno & 0xff;
+#endif
                c += 6;
                length -= 6;
        }