From 74ad26edc2cf0d8aa8d5d485d708de1a34aa75c0 Mon Sep 17 00:00:00 2001
From: Jon Bergli Heier <snakebite@jvnv.net>
Date: Sun, 14 Aug 2011 21:59:35 +0200
Subject: Some recoding work, added ogg encoder.

---
 app.py       |  6 ++++--
 config.py    | 22 ++++++++++++++--------
 directory.py |  2 +-
 recode.py    | 36 +++++++++++++++++++-----------------
 4 files changed, 38 insertions(+), 28 deletions(-)

diff --git a/app.py b/app.py
index e70283c..c2ef0a3 100755
--- a/app.py
+++ b/app.py
@@ -65,7 +65,8 @@ class Application(object):
 		f = File(path)
 		# see json_play()
 		if not os.path.splitext(path)[1] in ('.mp3', '.ogg'):
-			decoder, encoder = ('ffmpeg',)*2
+			decoder = 'ffmpeg'
+			encoder = config.get('encoder')
 			f.start_recode(decoder, encoder)
 
 		start_response('200 OK', [('Content-Type', 'text/plain')])
@@ -80,7 +81,8 @@ class Application(object):
 		# TODO: replace this with some sane logic
 		if not os.path.splitext(path)[1] in ('.mp3', '.ogg'):
 			cache_path = f.get_cache_path()
-			decoder, encoder = ('ffmpeg',)*2
+			decoder = 'ffmpeg'
+			encoder = config.get('encoder')
 			if not os.path.exists(cache_path):
 				f.start_recode(decoder, encoder, environ['sessionid'])
 			else:
diff --git a/config.py b/config.py
index 88826cb..7fd35ad 100644
--- a/config.py
+++ b/config.py
@@ -1,19 +1,25 @@
 try:
-	from configparser import ConfigParser
+	from configparser import ConfigParser, NoOptionError
 except ImportError:
-	from ConfigParser import ConfigParser
+	from ConfigParser import ConfigParser, NoOptionError
 
 class Config(object):
-	def __init__(self, filename = 'config'):
-		self.config_section = 'foo'
+	config_section = 'foo'
 
+	def __init__(self, filename = 'config'):
 		self.config = ConfigParser()
 		self.config.read(filename)
 
-	def get(self, key):
-		return self.config.get(self.config_section, key)
+	def get(self, key, section = config_section, default = None):
+		try:
+			return self.config.get(section, key)
+		except NoOptionError:
+			if default != None:
+				return default
+			else:
+				raise
 
-	def getint(self, key):
-		return self.config.getint(self.config_section, key)
+	def getint(self, key, section = config_section):
+		return self.config.getint(section, key)
 
 config = Config()
diff --git a/directory.py b/directory.py
index 5a0c318..6860155 100644
--- a/directory.py
+++ b/directory.py
@@ -86,7 +86,7 @@ class File(DirectoryEntry):
 
 	def get_cache_path(self):
 		cache_path = os.path.join(config.get('cache_dir'), self.path)
-		cache_path = os.path.splitext(cache_path)[0] + '.mp3'
+		cache_path = os.path.splitext(cache_path)[0] + '.ogg'
 		return cache_path
 
 	def get_cache_file(self):
diff --git a/recode.py b/recode.py
index 6caa2a9..8b3ebb0 100644
--- a/recode.py
+++ b/recode.py
@@ -1,4 +1,5 @@
-import subprocess, tempfile, threading
+import subprocess, tempfile, threading, os
+from config import config
 
 decoders = {}
 encoders = {}
@@ -29,21 +30,22 @@ class Codec(object):
 
 # end of metastuff
 
-class FFmpeg(Codec):
+class FFmpeg(Decoder):
 	decoder_name = 'ffmpeg'
-	encoder_name = 'ffmpeg'
 
 	def decode(self, source, dest, *args):
-		ret = subprocess.call((x.format(infile = source, outfile = dest) for x in 'ffmpeg -loglevel quiet -i {infile} -y {outfile}'.split()))
-		print 'decoding returned', ret
+		cmd = (x.format(infile = source, outfile = dest) for x in 'ffmpeg -loglevel quiet -i {infile} -y {outfile}'.split())
+		p = subprocess.Popen(cmd, stderr = subprocess.PIPE, close_fds = True)
+		p.stderr.close()
+		p.wait()
 
-	def encode(self, source, dest, *args):
-		ret = subprocess.call((x.format(infile = source, outfile = dest) for x in 'ffmpeg -loglevel quiet -i {infile} -y {outfile}'.split()))
-		print 'encoding returned', ret
+class Ogg(Encoder):
+	encoder_name = 'ogg'
 
-	def recode(self, source, dest, *args):
-		ret = subprocess.call((x.format(infile = source, outfile = dest) for x in 'ffmpeg -loglevel quiet -i {infile} -y {outfile}'.split()))
-		print 'recoding returned', ret
+	def encode(self, source, dest, *args):
+		options = config.get('options', 'encoder/ogg', '')
+		cmd = ['oggenc', '-Q'] + options.split() + [source, '-o', dest]
+		subprocess.call(cmd)
 
 class Recoder(object):
 	def __init__(self, decoder, encoder):
@@ -56,12 +58,12 @@ class Recoder(object):
 			print self.decoder
 			self.decoder.recode(source, dest)
 		else:
-			temp = tempfile.NamedTemporaryFile(mode = 'wb', prefix = 'foo', suffix = os.path.splitext(dest)[1], delete = True)
-			print 'decoding'
-			self.decoder.decode(source, temp.name)
-			print 'encoding'
-			self.encoder.encode(temp.name, dest)
-			temp.close()
+			with tempfile.NamedTemporaryFile(mode = 'wb', prefix = 'foo', suffix = '.wav', delete = True) as temp:
+				print 'temp file:', temp.name
+				print 'decoding'
+				self.decoder.decode(source, temp.name)
+				print 'encoding'
+				self.encoder.encode(temp.name, dest)
 
 class RecodeThread(threading.Thread):
 	lock = threading.Lock()
-- 
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