From 03b1303b1c7511fdd1a6b2f63d7c509e822a6a38 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Sun, 10 May 2015 09:33:40 +0000
Subject: splitfx: pass compression factor to sox(1)

This can be useful for speeding up splitfx during development,
as sox defaults to maximum compression with FLAC and that is
extremely slow.
---
 Documentation/dtas-splitfx.txt | 4 ++++
 bin/dtas-splitfx               | 1 +
 lib/dtas/splitfx.rb            | 6 +++++-
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/Documentation/dtas-splitfx.txt b/Documentation/dtas-splitfx.txt
index 27e6007..38c1cca 100644
--- a/Documentation/dtas-splitfx.txt
+++ b/Documentation/dtas-splitfx.txt
@@ -41,6 +41,10 @@ to use ecasound(1), too.
     (by default, an empty string) $OUTDIR environment variable
     in the output command.
 
+-C, \--compression FACTOR
+:    Set the compression factor passed to sox(1).  See soxformat(7)
+    for more information on how it works across different formats.
+
 # FILE FORMAT
 
 * infile - string, the pathname of the original audio file
diff --git a/bin/dtas-splitfx b/bin/dtas-splitfx
index b8fc6c8..edd7dd3 100755
--- a/bin/dtas-splitfx
+++ b/bin/dtas-splitfx
@@ -15,6 +15,7 @@ OptionParser.new('', 24, '  ') do |op|
   op.on('-s', '--quiet', '--silent') { |val| opts[:silent] = true }
   op.on('-D', '--no-dither') { |val| opts[:no_dither] = true }
   op.on('-O', '--outdir OUTDIR') { |val| opts[:outdir] = val }
+  op.on('-C', '--compression FACTOR') { |val| opts[:compression] = val }
   op.parse!(ARGV)
 end
 
diff --git a/lib/dtas/splitfx.rb b/lib/dtas/splitfx.rb
index 3f673ee..5b04854 100644
--- a/lib/dtas/splitfx.rb
+++ b/lib/dtas/splitfx.rb
@@ -56,6 +56,7 @@ class DTAS::SplitFX # :nodoc:
     @t2s = method(:t2s)
     @infile = nil
     @outdir = nil
+    @compression = nil
     @targets = {
       "flac-cdda" => {
         "command" => CMD,
@@ -196,7 +197,9 @@ class DTAS::SplitFX # :nodoc:
     end
     env["COMMENTS"] = "--comment-file=#{comments.path}"
     infile_env(env, @infile)
-    env["OUTFMT"] = xs(outfmt.to_sox_arg)
+    outarg = outfmt.to_sox_arg
+    outarg << "-C#@compression" if @compression
+    env["OUTFMT"] = xs(outarg)
     env["SUFFIX"] = outfmt.type
     env["OUTDIR"] = @outdir ? "#@outdir/".squeeze('/') : ''
     env.merge!(t.env)
@@ -329,6 +332,7 @@ class DTAS::SplitFX # :nodoc:
       require 'fileutils'
       FileUtils.mkpath(@outdir)
     end
+    @compression = opts[:compression]
 
     fails = []
     tracks = @tracks.dup
-- 
cgit v1.2.3-24-ge0c7