From: Even Rouault <even.rouault@spatialys.com>
Date: Sat, 2 Sep 2017 07:10:53 +0000 (+0200)
Subject: Improve error message when specifying a too big cp_reduce parameter (#474)
X-Git-Tag: v2.3.0~41
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e5ab1682a1bf52c203b16720011d869901929ac9;p=openjpeg

Improve error message when specifying a too big cp_reduce parameter (#474)
---

diff --git a/src/lib/openjp2/j2k.c b/src/lib/openjp2/j2k.c
index 0056814e..353f1c9a 100644
--- a/src/lib/openjp2/j2k.c
+++ b/src/lib/openjp2/j2k.c
@@ -9684,9 +9684,10 @@ static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
     /* If user wants to remove more resolutions than the codestream contains, return error */
     if (l_cp->m_specific_param.m_dec.m_reduce >= l_tccp->numresolutions) {
         opj_event_msg(p_manager, EVT_ERROR,
-                      "Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
-                      "of resolutions of this component\nModify the cp_reduce parameter.\n\n",
-                      compno);
+                      "Error decoding component %d.\nThe number of resolutions "
+                      "to remove (%d) is greater or equal than the number "
+                      "of resolutions of this component (%d)\nModify the cp_reduce parameter.\n\n",
+                      compno, l_cp->m_specific_param.m_dec.m_reduce, l_tccp->numresolutions);
         p_j2k->m_specific_param.m_decoder.m_state |=
             0x8000;/* FIXME J2K_DEC_STATE_ERR;*/
         return OPJ_FALSE;