From 6ff8eac7847187656d2ef93bd0f3025c9c7d332e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Lalinsk=C3=BD?= <lalinsky@gmail.com>
Date: Fri, 12 Oct 2012 20:30:57 +0200
Subject: [PATCH] Add support for Opus files (needs dev version of Mutagen)

http://tickets.musicbrainz.org/browse/PICARD-289
---
 picard/formats/__init__.py |  4 ++++
 picard/formats/vorbis.py   | 15 +++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/picard/formats/__init__.py b/picard/formats/__init__.py
index 0a1ef0399..6ac9915f4 100644
--- a/picard/formats/__init__.py
+++ b/picard/formats/__init__.py
@@ -164,11 +164,15 @@ from picard.formats.vorbis import (
     OggSpeexFile,
     OggVorbisFile,
     OggAudioFile,
+    OggOpusFile,
+    with_opus,
     )
 register_format(FLACFile)
 register_format(OggFLACFile)
 register_format(OggSpeexFile)
 register_format(OggVorbisFile)
+if with_opus:
+    register_format(OggOpusFile)
 register_format(OggAudioFile)
 
 try:
diff --git a/picard/formats/vorbis.py b/picard/formats/vorbis.py
index 88746d71d..c436a73b3 100644
--- a/picard/formats/vorbis.py
+++ b/picard/formats/vorbis.py
@@ -24,6 +24,12 @@ import mutagen.oggflac
 import mutagen.oggspeex
 import mutagen.oggtheora
 import mutagen.oggvorbis
+try:
+    from mutagen.oggopus import OggOpus
+    with_opus = True
+except ImportError:
+    OggOpus = None
+    with_opus = False
 from picard.file import File
 from picard.metadata import Metadata
 from picard.util import encode_filename, sanitize_date
@@ -203,6 +209,15 @@ class OggVorbisFile(VCommentFile):
         super(OggVorbisFile, self)._info(metadata, file)
         metadata['~format'] = self.NAME
 
+class OggOpusFile(VCommentFile):
+    """Ogg Opus file."""
+    EXTENSIONS = [".opus"]
+    NAME = "Ogg Opus"
+    _File = OggOpus
+    def _info(self, metadata, file):
+        super(OggOpusFile, self)._info(metadata, file)
+        metadata['~format'] = self.NAME
+
 def OggAudioFile(filename):
     """Generic Ogg audio file."""
     options = [OggFLACFile, OggSpeexFile, OggVorbisFile]