decoder/ogg_codec: convert to C++

Makefile.am

@@ -561,7 +561,7 @@ endif
 if HAVE_XIPH
 libdecoder_plugins_a_SOURCES += \
 	src/decoder/XiphTags.c src/decoder/XiphTags.h \
-	src/decoder/ogg_codec.c src/decoder/ogg_codec.h
+	src/decoder/OggCodec.cxx src/decoder/OggCodec.hxx
 endif
 
 if ENABLE_VORBIS_DECODER

src/decoder/FLACDecoderPlugin.cxx

@@ -21,10 +21,7 @@
 #include "FLACDecoderPlugin.h"
 #include "FLACCommon.hxx"
 #include "FLACMetaData.hxx"
-
-extern "C" {
-#include "ogg_codec.h"
-}
+#include "OggCodec.hxx"
 
 #include <glib.h>
 

src/decoder/ogg_codec.c → src/decoder/OggCodec.cxx

 /*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
  * http://www.musicpd.org
  *
  * This program is free software; you can redistribute it and/or modify
@@ -22,7 +22,7 @@
  */
 
 #include "config.h"
-#include "ogg_codec.h"
+#include "OggCodec.hxx"
 
 enum ogg_codec
 ogg_codec_detect(struct decoder *decoder, struct input_stream *is)

src/decoder/ogg_codec.h → src/decoder/OggCodec.hxx

 /*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
  * http://www.musicpd.org
  *
  * This program is free software; you can redistribute it and/or modify
@@ -21,8 +21,8 @@
  * Common functions used for Ogg data streams (Ogg-Vorbis and OggFLAC)
  */
 
-#ifndef MPD_OGG_CODEC_H
-#define MPD_OGG_CODEC_H
+#ifndef MPD_OGG_CODEC_HXX
+#define MPD_OGG_CODEC_HXX
 
 #include "decoder_api.h"
 

src/decoder/OpusDecoderPlugin.cxx

@@ -23,11 +23,7 @@
 #include "OpusTags.hxx"
 #include "OggUtil.hxx"
 #include "decoder_api.h"
-
-extern "C" {
-#include "ogg_codec.h"
-}
-
+#include "OggCodec.hxx"
 #include "audio_check.h"
 #include "tag_handler.h"
 

src/decoder/VorbisDecoderPlugin.cxx

@@ -21,9 +21,9 @@
 #include "VorbisDecoderPlugin.h"
 #include "VorbisComments.hxx"
 #include "decoder_api.h"
+#include "OggCodec.hxx"
 
 extern "C" {
-#include "ogg_codec.h"
 #include "audio_check.h"
 #include "uri.h"
 }