From 7e9c441d41ea0972641d1fb5ffddf2e11e46f23d Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Wed, 11 Mar 2015 22:17:23 +0100
Subject: demux_mkv: make matroska.pl script output deterministic

Work around the randomized Perl hashtables by sorting the elements.

Fixes #1673.
---
 TOOLS/matroska.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/TOOLS/matroska.pl b/TOOLS/matroska.pl
index 28ad1197c5..41e4f6aa81 100755
--- a/TOOLS/matroska.pl
+++ b/TOOLS/matroska.pl
@@ -64,7 +64,7 @@ sub generate_c_header {
 
         # Output a counter variable for each element
         # (presence/absence for scalars, item count for arrays)
-        for my $subel (values %{$el->{subelements}}) {
+        for my $subel (sort values %{$el->{subelements}}) {
             print "    int n_$subel->{fieldname};\n"
         }
         print "};\n";
-- 
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