41 lines
1.1 KiB
Diff
41 lines
1.1 KiB
Diff
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Thanks to the sources below; this patch discovered via Gentoo.
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http://bugzilla.redhat.com/show_bug.cgi?id=1031734
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http://bugzilla.redhat.com/show_bug.cgi?id=1031749
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http://sourceforge.net/p/libjpeg-turbo/code/1090/
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--- libjpeg-turbo-1.3.0/jdmarker.c
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+++ libjpeg-turbo-1.3.0/jdmarker.c
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@@ -304,7 +304,7 @@
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/* Process a SOS marker */
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{
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INT32 length;
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- int i, ci, n, c, cc;
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+ int i, ci, n, c, cc, pi;
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jpeg_component_info * compptr;
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INPUT_VARS(cinfo);
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@@ -348,6 +348,13 @@
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TRACEMS3(cinfo, 1, JTRC_SOS_COMPONENT, cc,
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compptr->dc_tbl_no, compptr->ac_tbl_no);
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+
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+ /* This CSi (cc) should differ from the previous CSi */
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+ for (pi = 0; pi < i; pi++) {
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+ if (cinfo->cur_comp_info[pi] == compptr) {
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+ ERREXIT1(cinfo, JERR_BAD_COMPONENT_ID, cc);
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+ }
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+ }
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}
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/* Collect the additional scan parameters Ss, Se, Ah/Al. */
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@@ -465,6 +472,8 @@
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for (i = 0; i < count; i++)
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INPUT_BYTE(cinfo, huffval[i], return FALSE);
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+ MEMZERO(&huffval[count], (256 - count) * SIZEOF(UINT8));
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+
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length -= count;
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if (index & 0x10) { /* AC table definition */
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