From cc3c9383d0ba49363eded879f2bbef3f833df39c Mon Sep 17 00:00:00 2001
From: Alexey Yakovenko <wakeroid@gmail.com>
Date: Fri, 15 Jan 2010 22:19:21 +0100
Subject: better (?) charset detection for id3v2.4 tags

---
 junklib.c | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

(limited to 'junklib.c')

diff --git a/junklib.c b/junklib.c
index d821775c..d6e3c63e 100644
--- a/junklib.c
+++ b/junklib.c
@@ -316,12 +316,7 @@ convstr_id3v2_4 (const unsigned char* str, int sz) {
 
     // hack to add limited cp1251 recoding support
 
-    if (*str == 0) {
-        // iso8859-1
-        trace ("iso8859-1\n");
-        enc = "iso8859-1";
-    }
-    else if (*str == 3) {
+    if (*str == 3) {
         // utf8
         trace ("utf8\n");
         strncpy (out, str+1, 2047);
@@ -337,6 +332,14 @@ convstr_id3v2_4 (const unsigned char* str, int sz) {
         trace ("utf16be\n");
         enc = "UTF-16BE";
     }
+#if 0
+    // NOTE: some dumb taggers put non-iso8859-1 text with enc=0
+    else if (*str == 0) {
+        // iso8859-1
+        trace ("iso8859-1\n");
+        enc = "iso8859-1";
+    }
+#endif
     else {
         if (can_be_russian (&str[1])) {
             enc = "cp1251";
@@ -815,6 +818,10 @@ junk_read_id3v2 (playItem_t *it, DB_FILE *fp) {
             else if (version_major == 3) {
                 sz = (readptr[3] << 0) | (readptr[2] << 8) | (readptr[1] << 16) | (readptr[0] << 24);
             }
+            else {
+                trace ("unknown id3v2 version (2.%d.%d)\n", version_major, version_minor);
+                return -1;
+            }
             readptr += 4;
             trace ("got frame %s, size %d, pos %d, tagsize %d\n", frameid, sz, readptr-tag, size);
             if (readptr - tag >= size - sz) {
-- 
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