From 8670e438c91bcb9bce28b0419394aa1b6d6fea36 Mon Sep 17 00:00:00 2001
From: Tony Grosinger <tony@grosinger.net>
Date: Sun, 19 May 2013 18:14:37 -0700
Subject: [PATCH] Cleaned up options

---
 audio-shrink.py | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/audio-shrink.py b/audio-shrink.py
index 39858e2..9a9d5bb 100644
--- a/audio-shrink.py
+++ b/audio-shrink.py
@@ -1,24 +1,38 @@
 from optparse import OptionParser
-import os, shlex, subprocess
+import os
+import shlex
+import subprocess
+import sys
 
-parser = OptionParser()
-parser.add_option('-i', '--input', dest='fInput')
-parser.add_option('-o', '--output', dest='fOutput')
+
+usage = "usage: %prog -i <input dir> -o <output dir> [options]"
+parser = OptionParser(usage=usage)
+parser.add_option('-i', '--input', dest='fInput', help='Required, Directory to scan for media files')
+parser.add_option('-o', '--output', dest='fOutput', help='Required, Directory to output transcoded files')
+parser.add_option('-f', '--inputFormat', dest='inFormat', default='flac',
+                  help='Format of file to look for in input directory')
 (options, args) = parser.parse_args()
 
 inputDir = options.fInput
 outputDir = options.fOutput
 
+if len(inputDir) == 0 or len(outputDir) == 0:
+    parser.print_help()
+    sys.exit(1)
+
 if not outputDir.endswith("/"):
     outputDir += "/"
 
+
 def extractCurrentDirectory(dir):
     return dir.replace(inputDir, "").replace("/", "", 1)
 
+
 def replace_last(source_string, replace_what, replace_with):
     head, sep, tail = source_string.rpartition(replace_what)
     return head + replace_with + tail
 
+
 for root, dirs, files in os.walk(inputDir):
     os.chdir(root)
     root = extractCurrentDirectory(root)
@@ -28,8 +42,8 @@ for root, dirs, files in os.walk(inputDir):
         os.makedirs(outputDir + root)
 
     for name in files:
-        if name.endswith(".flac"):
+        if name.endswith(".%s" % options.inFormat):
             print("Transcoding File: %s" % name)
             output = replace_last((outputDir + root + "/" + name), "flac", "ogg")
-            command = shlex.split("ffmpeg -i \"%s\" -f ogg -c:a libvorbis -q 8 -map 0:0 \"%s\"" % (name, output))
+            command = shlex.split("ffmpeg -i \"%s\" -f ogg -c:a libvorbis -q 5 -map 0:0 \"%s\"" % (name, output))
             p = subprocess.call(command)