From 93ff56a7a27a166ce92307c470d4f54c3c28aa53 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Sun, 17 May 2015 02:00:47 +0000
Subject: dtas-splitfx: support --trim argument

It can often be useful to expose only part of a track for quick
inspection.  This lets us do that.
---
 lib/dtas/splitfx.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'lib')

diff --git a/lib/dtas/splitfx.rb b/lib/dtas/splitfx.rb
index e4997cc..b657179 100644
--- a/lib/dtas/splitfx.rb
+++ b/lib/dtas/splitfx.rb
@@ -16,6 +16,14 @@ class DTAS::SplitFX # :nodoc:
   include DTAS::XS
   attr_reader :infile, :env
 
+  class UTrim
+    attr_reader :env, :comments
+    def initialize(trim_arg, env, comments)
+      @env = env.merge("TRIMFX" => "trim #{trim_arg}")
+      @comments = comments.merge('TRACKNUMBER' => '000')
+    end
+  end
+
   class Skip < Struct.new(:tbeg) # :nodoc:
     def commit(_)
       # noop
@@ -353,6 +361,7 @@ class DTAS::SplitFX # :nodoc:
     @compression = opts[:compression]
     @rate = opts[:rate]
     @bits = opts[:bits]
+    trim = opts[:trim] and @tracks = [ UTrim.new(trim, @env, @comments) ]
 
     fails = []
     tracks = @tracks.dup
-- 
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