Don't overwrite fields that already exist

We can have multiple fields in the Vorbis Comment (e.g. two artist names),
but TagUnion only takes the first one, so it will effectively strip the
extra fields.

https://bugs.kde.org/show_bug.cgi?id=268854

diff --git a/taglib/flac/flacfile.cpp b/taglib/flac/flacfile.cpp
index c8cc1fb85710d398dce82bf9e233e16c530758b7..f882ae7bda6e119c8f57340bdfe5f051fcbb7d04 100644 (file)
--- a/taglib/flac/flacfile.cpp
+++ b/taglib/flac/flacfile.cpp
@@ -149,7 +149,7 @@ bool FLAC::File::save()
 
   // Create new vorbis comments
 
-  Tag::duplicate(&d->tag, xiphComment(true), true);
+  Tag::duplicate(&d->tag, xiphComment(true), false);
 
   d->xiphCommentData = xiphComment()->render(false);
 

diff --git a/tests/test_flac.cpp b/tests/test_flac.cpp
index ba3d99da889cdc5131490161b8cfbc1d289041bd..4b54a7cafdd7451be1d57767451ea09e768be58c 100644 (file)
--- a/tests/test_flac.cpp
+++ b/tests/test_flac.cpp
@@ -5,6 +5,7 @@
 #include <tstringlist.h>
 #include <tbytevectorlist.h>
 #include <flacfile.h>
+#include <xiphcomment.h>
 #include "utils.h"
 
 using namespace std;
@@ -20,6 +21,7 @@ class TestFLAC : public CppUnit::TestFixture
   CPPUNIT_TEST(testReplacePicture);
   CPPUNIT_TEST(testRemoveAllPictures);
   CPPUNIT_TEST(testRepeatedSave);
+  CPPUNIT_TEST(testSaveMultipleValues);
   CPPUNIT_TEST_SUITE_END();
 
 public:
@@ -186,6 +188,26 @@ public:
     CPPUNIT_ASSERT_EQUAL(String("NEW TITLE 2"), tag->title());
   }
 
+  void testSaveMultipleValues()
+  {
+    ScopedFileCopy copy("silence-44-s", ".flac", false);
+    string newname = copy.fileName();
+
+    FLAC::File *f = new FLAC::File(newname.c_str());
+    Ogg::XiphComment* c = f->xiphComment(true);
+    c->addField("ARTIST", "artist 1", true);
+    c->addField("ARTIST", "artist 2", false);
+    f->save();
+    delete f;
+
+    f = new FLAC::File(newname.c_str());
+    c = f->xiphComment(true);
+    Ogg::FieldListMap m = c->fieldListMap();
+    CPPUNIT_ASSERT_EQUAL(TagLib::uint(2), m["ARTIST"].size());
+    CPPUNIT_ASSERT_EQUAL(String("artist 1"), m["ARTIST"][0]);
+    CPPUNIT_ASSERT_EQUAL(String("artist 2"), m["ARTIST"][1]);
+  }
+
 };
 
 CPPUNIT_TEST_SUITE_REGISTRATION(TestFLAC);