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Read ID3v2.3 genres with multiple references to ID3v1 genres (#988)

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As described in id3v2.3.0.txt (4.2.1, TCON), now multiple genres
are possible, e.g. "(51)(39)". Additionally, support the keywords
RX and CR.
This commit is contained in:
Urs Fleisch
2020-12-30 10:37:11 +01:00
parent 30d839538d
commit d602ae483e
2 changed files with 37 additions and 11 deletions
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26
tests/test_id3v2.cpp
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@ -101,6 +101,7 @@ class TestID3v2 : public CppUnit::TestFixture
CPPUNIT_TEST(testSaveUTF16Comment);
CPPUNIT_TEST(testUpdateGenre23_1);
CPPUNIT_TEST(testUpdateGenre23_2);
CPPUNIT_TEST(testUpdateGenre23_3);
CPPUNIT_TEST(testUpdateGenre24);
CPPUNIT_TEST(testUpdateDate22);
CPPUNIT_TEST(testDowngradeTo23);
@ -686,7 +687,7 @@ public:
// "Refinement" is different from the ID3v1 genre
ID3v2::FrameFactory *factory = ID3v2::FrameFactory::instance();
ByteVector data = ByteVector("TCON" // Frame ID
"\x00\x00\x00\x13" // Frame size
"\x00\x00\x00\x0d" // Frame size
"\x00\x00" // Frame flags
"\x00" // Encoding
"(4)Eurodisco", 23); // Text
@ -703,6 +704,29 @@ public:
CPPUNIT_ASSERT_EQUAL(String("Disco Eurodisco"), tag.genre());
}
void testUpdateGenre23_3()
{
// Multiple references and a refinement
ID3v2::FrameFactory *factory = ID3v2::FrameFactory::instance();
ByteVector data = ByteVector("TCON" // Frame ID
"\x00\x00\x00\x15" // Frame size
"\x00\x00" // Frame flags
"\x00" // Encoding
"(9)(138)Viking Metal", 31); // Text
ID3v2::Header header;
header.setMajorVersion(3);
ID3v2::TextIdentificationFrame *frame =
dynamic_cast<TagLib::ID3v2::TextIdentificationFrame*>(factory->createFrame(data, &header));
CPPUNIT_ASSERT_EQUAL(3U, frame->fieldList().size());
CPPUNIT_ASSERT_EQUAL(String("9"), frame->fieldList()[0]);
CPPUNIT_ASSERT_EQUAL(String("138"), frame->fieldList()[1]);
CPPUNIT_ASSERT_EQUAL(String("Viking Metal"), frame->fieldList()[2]);
ID3v2::Tag tag;
tag.addFrame(frame);
CPPUNIT_ASSERT_EQUAL(String("Metal Black Metal Viking Metal"), tag.genre());
}
void testUpdateGenre24()
{
ID3v2::FrameFactory *factory = ID3v2::FrameFactory::instance();