about summary refs log tree commit homepage
path: root/lib/dtas/source/mp3.rb
diff options
context:
space:
mode:
authorEric Wong <normalperson@yhbt.net>2013-08-25 09:25:07 +0000
committerEric Wong <normalperson@yhbt.net>2013-08-25 09:29:46 +0000
commit68ffa097e187da663fa3f537b430428ea5e8de2e (patch)
treebe7d441b68ab8c77a7ebc062c129b5701bf2a5b1 /lib/dtas/source/mp3.rb
parent9cd8e2776edc246950d2c7ebdea833489efb1d1f (diff)
downloaddtas-68ffa097e187da663fa3f537b430428ea5e8de2e.tar.gz
We should've done this at the start, but we didn't.
Diffstat (limited to 'lib/dtas/source/mp3.rb')
-rw-r--r--lib/dtas/source/mp3.rb37
1 files changed, 0 insertions, 37 deletions
diff --git a/lib/dtas/source/mp3.rb b/lib/dtas/source/mp3.rb
deleted file mode 100644
index 7ceaf8a..0000000
--- a/lib/dtas/source/mp3.rb
+++ /dev/null
@@ -1,37 +0,0 @@
-# -*- encoding: binary -*-
-# Copyright (C) 2013, Eric Wong <normalperson@yhbt.net>
-# License: GPLv3 or later (https://www.gnu.org/licenses/gpl-3.0.txt)
-require_relative '../process'
-
-module DTAS::Source::Mp3 # :nodoc:
-  include DTAS::Process
-  # we use dBFS = 1.0 as scale (not 32768)
-  def __mp3gain_peak(str)
-    sprintf("%0.8g", str.to_f / 32768.0)
-  end
-
-  # massage mp3gain(1) output
-  def mp3gain_comments
-    tmp = {}
-    case @infile
-    when String
-      @infile =~ /\.mp[g23]\z/i or return
-      qx(%W(mp3gain -s c #@infile)).split(/\n/).each do |line|
-        case line
-        when /^Recommended "(Track|Album)" dB change:\s*(\S+)/
-          tmp["REPLAYGAIN_#{$1.upcase}_GAIN"] = $2
-        when /^Max PCM sample at current gain: (\S+)/
-          tmp["REPLAYGAIN_TRACK_PEAK"] = __mp3gain_peak($1)
-        when /^Max Album PCM sample at current gain: (\S+)/
-          tmp["REPLAYGAIN_ALBUM_PEAK"] = __mp3gain_peak($1)
-        end
-      end
-      tmp
-    else
-      raise TypeError, "unsupported type: #{@infile.inspect}"
-    end
-  rescue => e
-    $DEBUG and
-        warn("mp3gain(#{@infile.inspect}) failed: #{e.message} (#{e.class})")
-  end
-end