From 4324150b42ea7720629b74014401119754429b04 Mon Sep 17 00:00:00 2001
From: Qball Cow <qball@qballcow.nl>
Date: Sun, 30 Apr 2006 19:55:56 +0000
Subject: Added Disc #  metadata item based on bug 571 (added id3v2 support)

git-svn-id: https://svn.musicpd.org/mpd/trunk@4131 09075e82-0dd4-0310-85a5-a0d7c8717e4f
---
 src/inputPlugins/_flac_common.c     | 9 +++++++--
 src/inputPlugins/mp4_plugin.c       | 4 ++++
 src/inputPlugins/oggvorbis_plugin.c | 9 +++++++--
 src/tag.c                           | 7 ++++++-
 src/tag.h                           | 3 ++-
 5 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/src/inputPlugins/_flac_common.c b/src/inputPlugins/_flac_common.c
index f6a470ed2..79a3c38f2 100644
--- a/src/inputPlugins/_flac_common.c
+++ b/src/inputPlugins/_flac_common.c
@@ -106,14 +106,19 @@ static void flacParseReplayGain(const FLAC__StreamMetadata *block,
 /* tracknumber is used in VCs, MPD uses "track" ..., all the other
  * tag names match */
 static const char * VORBIS_COMMENT_TRACK_KEY = "tracknumber";
+static const char * VORBIS_COMMENT_DISC_KEY  = "discnumber";
 
 static unsigned int commentMatchesAddToTag(
 		const FLAC__StreamMetadata_VorbisComment_Entry * entry,
 		unsigned int itemType,
 		MpdTag ** tag)
 {
-	const char * str = (itemType == TAG_ITEM_TRACK) ?
-			VORBIS_COMMENT_TRACK_KEY : mpdTagItemKeys[itemType];
+	const char * str;
+	switch (itemType) {
+	case TAG_ITEM_TRACK: str = VORBIS_COMMENT_TRACK_KEY; break;
+	case TAG_ITEM_DISC:  str = VORBIS_COMMENT_DISC_KEY;  break;
+	default:             str = mpdTagItemKeys[itemType];
+	}
 	size_t slen = strlen(str);
 	int vlen = entry->length - slen - 1;
 
diff --git a/src/inputPlugins/mp4_plugin.c b/src/inputPlugins/mp4_plugin.c
index e41c054c0..3bfdb6ce7 100644
--- a/src/inputPlugins/mp4_plugin.c
+++ b/src/inputPlugins/mp4_plugin.c
@@ -385,6 +385,10 @@ MpdTag * mp4DataDup(char * file, int * mp4MetadataFound) {
 			addItemToMpdTag(ret, TAG_ITEM_TRACK, value);
 			*mp4MetadataFound = 1;
 		}
+		else if(0 == strcasecmp("disc", item)) { /* Is that the correct id? */
+			addItemToMpdTag(ret, TAG_ITEM_DISC, value);
+			*mp4MetadataFound = 1;
+		}
 		else if(0 == strcasecmp("genre", item)) {
 			addItemToMpdTag(ret, TAG_ITEM_GENRE, value);
 			*mp4MetadataFound = 1;
diff --git a/src/inputPlugins/oggvorbis_plugin.c b/src/inputPlugins/oggvorbis_plugin.c
index aa094856e..6881b9c41 100644
--- a/src/inputPlugins/oggvorbis_plugin.c
+++ b/src/inputPlugins/oggvorbis_plugin.c
@@ -155,12 +155,17 @@ void ogg_getReplayGainInfo(char ** comments, ReplayGainInfo ** infoPtr) {
 }
 
 static const char * VORBIS_COMMENT_TRACK_KEY = "tracknumber";
+static const char * VORBIS_COMMENT_DISC_KEY  = "discnumber";
 
 static inline unsigned int ogg_parseCommentAddToTag(char * comment,
 		unsigned int itemType, MpdTag ** tag)
 {
-	const char * needle = (itemType == TAG_ITEM_TRACK) ?
-			VORBIS_COMMENT_TRACK_KEY : mpdTagItemKeys[itemType];
+	const char * needle;
+	switch (itemType) {
+	case TAG_ITEM_TRACK: needle = VORBIS_COMMENT_TRACK_KEY; break;
+	case TAG_ITEM_DISC:  needle = VORBIS_COMMENT_DISC_KEY;  break;
+	default:             needle = mpdTagItemKeys[itemType];
+	}
 	unsigned int len = strlen(needle);
 	
 	if(strncasecmp(comment, needle, len) == 0 && *(comment+len) == '=') {
diff --git a/src/tag.c b/src/tag.c
index 0fa232345..4a716515b 100644
--- a/src/tag.c
+++ b/src/tag.c
@@ -46,6 +46,9 @@
 #ifndef ID3_FRAME_COMPOSER
 #define ID3_FRAME_COMPOSER "TCOM"
 #endif
+#ifndef ID3_FRAME_DISC
+#define ID3_FRAME_DISC "TPOS"
+#endif
 #endif
 
 char * mpdTagItemKeys[TAG_NUM_OF_ITEM_TYPES] =
@@ -59,7 +62,8 @@ char * mpdTagItemKeys[TAG_NUM_OF_ITEM_TYPES] =
 	"Date",
 	"Composer",
 	"Performer",
-	"Comment"
+	"Comment",
+	"Disc"
 };
 
 static mpd_sint8 ignoreTagItems[TAG_NUM_OF_ITEM_TYPES];
@@ -171,6 +175,7 @@ MpdTag * parseId3Tag(struct id3_tag * tag) {
 	ret = getID3Info(tag, ID3_FRAME_GENRE, TAG_ITEM_GENRE, ret);
 	ret = getID3Info(tag, ID3_FRAME_COMPOSER, TAG_ITEM_COMPOSER, ret);
 	ret = getID3Info(tag, ID3_FRAME_COMMENT, TAG_ITEM_COMMENT, ret);
+	ret = getID3Info(tag, ID3_FRAME_DISC, TAG_ITEM_DISC, ret);
 
 	return ret;
 }
diff --git a/src/tag.h b/src/tag.h
index 6720f818d..a27fa9778 100644
--- a/src/tag.h
+++ b/src/tag.h
@@ -44,8 +44,9 @@
 #define TAG_ITEM_COMPOSER	7
 #define TAG_ITEM_PERFORMER	8
 #define TAG_ITEM_COMMENT	9
+#define TAG_ITEM_DISC      10
 
-#define TAG_NUM_OF_ITEM_TYPES	10
+#define TAG_NUM_OF_ITEM_TYPES	11
 
 extern char * mpdTagItemKeys[];
 
-- 
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