[PATCH] splitfx: pass compression factor to sox(1)

[Eric Wong]

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