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-rw-r--r--lib/dtas/source/av_ff_common.rb6
-rw-r--r--lib/dtas/source/sox.rb6
2 files changed, 6 insertions, 6 deletions
diff --git a/lib/dtas/source/av_ff_common.rb b/lib/dtas/source/av_ff_common.rb
index 6f92762..5299fdb 100644
--- a/lib/dtas/source/av_ff_common.rb
+++ b/lib/dtas/source/av_ff_common.rb
@@ -1,4 +1,4 @@
-# Copyright (C) 2013-2020 all contributors <dtas-all@nongnu.org>
+# Copyright (C) all contributors <dtas-all@nongnu.org>
 # License: GPL-3.0+ <https://www.gnu.org/licenses/gpl-3.0.txt>
 # frozen_string_literal: true
 require_relative '../../dtas'
@@ -110,7 +110,7 @@ module DTAS::Source::AvFfCommon # :nodoc:
       f =~ /^duration=([\d\.]+)\s*$/nm and @duration = $1.to_f
       # TODO: multi-line/multi-value/repeated tags
       f.gsub!(/^TAG:([^=]+)=(.*)$/ni) { |_|
-        @comments[DTAS.dedupe_str($1.upcase)] = DTAS.dedupe_str($2)
+        @comments[$1.upcase] = -($2)
       }
     end
 
@@ -118,7 +118,7 @@ module DTAS::Source::AvFfCommon # :nodoc:
     s.scan(%r{^\[format\.tags\]\n(.*?)\n\n}m) do |_|
       f = $1.dup
       f.gsub!(/^([^=]+)=(.*)$/ni) { |_|
-        @comments[DTAS.dedupe_str($1.upcase)] = DTAS.dedupe_str($2)
+        @comments[$1.upcase] = -$2
       }
     end
     s.scan(%r{^\[format\]\n(.*?)\n\n}m) do |_|
diff --git a/lib/dtas/source/sox.rb b/lib/dtas/source/sox.rb
index 3a7fe7d..e38e23c 100644
--- a/lib/dtas/source/sox.rb
+++ b/lib/dtas/source/sox.rb
@@ -1,4 +1,4 @@
-# Copyright (C) 2013-2020 all contributors <dtas-all@nongnu.org>
+# Copyright (C) all contributors <dtas-all@nongnu.org>
 # License: GPL-3.0+ <https://www.gnu.org/licenses/gpl-3.0.txt>
 # frozen_string_literal: true
 # encoding: binary
@@ -56,14 +56,14 @@ class DTAS::Source::Sox # :nodoc:
         key = nil
         $1.split(/\n/n).each do |line|
           if line.sub!(/^([^=]+)=/ni, '')
-            key = DTAS.dedupe_str(DTAS.try_enc($1.upcase, enc))
+            key = DTAS.try_enc($1.upcase, enc)
           end
           (comments[key] ||= ''.b) << "#{line}\n" unless line.empty?
         end
         comments.each do |k,v|
           v.chomp!
           DTAS.try_enc(v, enc)
-          comments[k] = DTAS.dedupe_str(v)
+          comments[k] = v
         end
       end
       dst