Merge pull request #1121 from rouault/fix_tnsot_zero

Fix regression in reading files with TNsot == 0 (refs #1120)

src/lib/openjp2/j2k.c

@@ -4094,7 +4094,12 @@ static OPJ_BOOL opj_j2k_merge_ppt(opj_tcp_t *p_tcp, opj_event_mgr_t * p_manager)
     /* preconditions */
     assert(p_tcp != 00);
     assert(p_manager != 00);
-    assert(p_tcp->ppt_buffer == NULL);
+
+    if (p_tcp->ppt_buffer != NULL) {
+        opj_event_msg(p_manager, EVT_ERROR,
+                      "opj_j2k_merge_ppt() has already been called\n");
+        return OPJ_FALSE;
+    }
 
     if (p_tcp->ppt == 0U) {
         return OPJ_TRUE;
@@ -8845,8 +8850,11 @@ OPJ_BOOL opj_j2k_read_tile_header(opj_j2k_t * p_j2k,
 
     /* Current marker is the EOC marker ?*/
     if (l_current_marker == J2K_MS_EOC) {
+        if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC) {
+            p_j2k->m_current_tile_number = 0;
             p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
         }
+    }
 
     /* FIXME DOC ???*/
     if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {

tests/nonregression/md5refs.txt

@@ -317,3 +317,4 @@ fbfcf662b6f7549574b2885490fbcf12  file1.jp2-c0-d10_20_30_40.tif
 fa7382fd8b2e788b28b807e200dd95b9  file1.jp2-c0-t0.tif
 ac8f6ab3acc9c692ed7c41bd62a0e1e8  file1.jp2-c0-t0-r1.tif
 f31bcb01c771f829054cdb013575e86a  issue1043.png
+62bc654c830efddf1b23d6e208447dab  tnsot_zero.png

tests/nonregression/test_suite.ctest.in

@@ -625,3 +625,8 @@ opj_decompress -i @INPUT_CONF_PATH@/file1.jp2 -o @TEMP_PATH@/file1.jp2-c0-t0-r1.
 !opj_decompress -i @INPUT_CONF_PATH@/file1.jp2 -o @TEMP_PATH@/file1.jp2-c10.tif -c 10
 
 opj_decompress -i @INPUT_NR_PATH@/db11217111510058.jp2 -o @TEMP_PATH@/issue1043.png
+
+opj_decompress -i @INPUT_NR_PATH@/tnsot_zero.jp2 -o @TEMP_PATH@/tnsot_zero.png
+
+# try to decompress file with repeated PPT marker
+!opj_decompress -i @INPUT_NR_PATH@/oss-fuzz2785.jp2 -o @TEMP_PATH@/oss-fuzz2785.png

tools/travis-ci/knownfailures-Ubuntu12.04-gcc4.6.3-i386-Release-3rdP.txt

@@ -45,3 +45,4 @@ NR-DEC-kodak_2layers_lrcp.j2c-31-decode-md5
 NR-DEC-kodak_2layers_lrcp.j2c-32-decode-md5
 NR-DEC-issue135.j2k-68-decode-md5
 NR-DEC-db11217111510058.jp2-306-decode-md5
+NR-DEC-tnsot_zero.jp2-307-decode-md5

tools/travis-ci/knownfailures-Ubuntu12.04-gcc4.6.4-i386-Release-3rdP.txt

@@ -45,3 +45,4 @@ NR-DEC-kodak_2layers_lrcp.j2c-31-decode-md5
 NR-DEC-kodak_2layers_lrcp.j2c-32-decode-md5
 NR-DEC-issue135.j2k-68-decode-md5
 NR-DEC-db11217111510058.jp2-306-decode-md5
+NR-DEC-tnsot_zero.jp2-307-decode-md5

tools/travis-ci/knownfailures-Ubuntu14.04-gcc4.8.4-i386-Release-3rdP.txt

@@ -45,3 +45,4 @@ NR-DEC-kodak_2layers_lrcp.j2c-31-decode-md5
 NR-DEC-kodak_2layers_lrcp.j2c-32-decode-md5
 NR-DEC-issue135.j2k-68-decode-md5
 NR-DEC-db11217111510058.jp2-306-decode-md5
+NR-DEC-tnsot_zero.jp2-307-decode-md5

tools/travis-ci/knownfailures-windows-vs2010-x86-Release-3rdP.txt

@@ -43,3 +43,4 @@ NR-DEC-kodak_2layers_lrcp.j2c-31-decode-md5
 NR-DEC-kodak_2layers_lrcp.j2c-32-decode-md5
 NR-DEC-issue135.j2k-68-decode-md5
 NR-DEC-db11217111510058.jp2-306-decode-md5
+NR-DEC-tnsot_zero.jp2-307-decode-md5