void testCovrWrite()
{
ScopedFileCopy copy("has-tags", ".m4a");
string filename = copy.fileName();
MP4::File *f = new MP4::File(filename.c_str());
CPPUNIT_ASSERT(f->tag()->contains("covr"));
MP4::CoverArtList l = f->tag()->item("covr").toCoverArtList();
l.append(MP4::CoverArt(MP4::CoverArt::PNG, "foo"));
f->tag()->setItem("covr", l);
f->save();
delete f;
f = new MP4::File(filename.c_str());
CPPUNIT_ASSERT(f->tag()->contains("covr"));
l = f->tag()->item("covr").toCoverArtList();
CPPUNIT_ASSERT_EQUAL(TagLib::uint(3), l.size());
CPPUNIT_ASSERT_EQUAL(MP4::CoverArt::PNG, l[0].format());
CPPUNIT_ASSERT_EQUAL(TagLib::uint(79), l[0].data().size());
CPPUNIT_ASSERT_EQUAL(MP4::CoverArt::JPEG, l[1].format());
CPPUNIT_ASSERT_EQUAL(TagLib::uint(287), l[1].data().size());
CPPUNIT_ASSERT_EQUAL(MP4::CoverArt::PNG, l[2].format());
CPPUNIT_ASSERT_EQUAL(TagLib::uint(3), l[2].data().size());
delete f;
}
void
MP4::Tag::parseCovr(const MP4::Atom *atom)
{
MP4::CoverArtList value;
ByteVector data = d->file->readBlock(atom->length - 8);
unsigned int pos = 0;
while(pos < data.size()) {
const int length = static_cast<int>(data.toUInt(pos));
if(length < 12) {
debug("MP4: Too short atom");
break;;
}
const ByteVector name = data.mid(pos + 4, 4);
const int flags = static_cast<int>(data.toUInt(pos + 8));
if(name != "data") {
debug("MP4: Unexpected atom \"" + name + "\", expecting \"data\"");
break;
}
if(flags == TypeJPEG || flags == TypePNG || flags == TypeBMP ||
flags == TypeGIF || flags == TypeImplicit) {
value.append(MP4::CoverArt(MP4::CoverArt::Format(flags),
data.mid(pos + 16, length - 16)));
}
else {
debug("MP4: Unknown covr format " + String::number(flags));
}
pos += length;
}
if(value.size() > 0)
addItem(atom->name, value);
}
void testCovrWrite()
{
string filename = copyFile("has-tags", ".m4a");
MP4::File *f = new MP4::File(filename.c_str());
CPPUNIT_ASSERT(f->tag()->itemListMap().contains("covr"));
MP4::CoverArtList l = f->tag()->itemListMap()["covr"].toCoverArtList();
l.append(MP4::CoverArt(MP4::CoverArt::PNG, "foo"));
f->tag()->itemListMap()["covr"] = l;
f->save();
delete f;
f = new MP4::File(filename.c_str());
CPPUNIT_ASSERT(f->tag()->itemListMap().contains("covr"));
l = f->tag()->itemListMap()["covr"].toCoverArtList();
CPPUNIT_ASSERT_EQUAL(TagLib::uint(3), l.size());
CPPUNIT_ASSERT_EQUAL(MP4::CoverArt::PNG, l[0].format());
CPPUNIT_ASSERT_EQUAL(TagLib::uint(79), l[0].data().size());
CPPUNIT_ASSERT_EQUAL(MP4::CoverArt::JPEG, l[1].format());
CPPUNIT_ASSERT_EQUAL(TagLib::uint(287), l[1].data().size());
CPPUNIT_ASSERT_EQUAL(MP4::CoverArt::PNG, l[2].format());
CPPUNIT_ASSERT_EQUAL(TagLib::uint(3), l[2].data().size());
delete f;
deleteFile(filename);
}
ByteVector
MP4::Tag::renderCovr(const ByteVector &name, const MP4::Item &item) const
{
ByteVector data;
MP4::CoverArtList value = item.toCoverArtList();
for(unsigned int i = 0; i < value.size(); i++) {
data.append(renderAtom("data", ByteVector::fromUInt(value[i].format()) +
ByteVector(4, '\0') + value[i].data()));
}
return renderAtom(name, data);
}
void testCovrRead()
{
MP4::File *f = new MP4::File("data/has-tags.m4a");
CPPUNIT_ASSERT(f->tag()->itemListMap().contains("covr"));
MP4::CoverArtList l = f->tag()->itemListMap()["covr"].toCoverArtList();
CPPUNIT_ASSERT_EQUAL(TagLib::uint(2), l.size());
CPPUNIT_ASSERT_EQUAL(MP4::CoverArt::PNG, l[0].format());
CPPUNIT_ASSERT_EQUAL(TagLib::uint(79), l[0].data().size());
CPPUNIT_ASSERT_EQUAL(MP4::CoverArt::JPEG, l[1].format());
CPPUNIT_ASSERT_EQUAL(TagLib::uint(287), l[1].data().size());
}
void testCovrRead2()
{
MP4::File *f = new MP4::File(TEST_FILE_PATH_C("covr-junk.m4a"));
CPPUNIT_ASSERT(f->tag()->contains("covr"));
MP4::CoverArtList l = f->tag()->item("covr").toCoverArtList();
CPPUNIT_ASSERT_EQUAL(TagLib::uint(2), l.size());
CPPUNIT_ASSERT_EQUAL(MP4::CoverArt::PNG, l[0].format());
CPPUNIT_ASSERT_EQUAL(TagLib::uint(79), l[0].data().size());
CPPUNIT_ASSERT_EQUAL(MP4::CoverArt::JPEG, l[1].format());
CPPUNIT_ASSERT_EQUAL(TagLib::uint(287), l[1].data().size());
delete f;
}
void
MP4::Tag::parseCovr(MP4::Atom *atom, TagLib::File *file)
{
MP4::CoverArtList value;
ByteVector data = file->readBlock(atom->length - 8);
unsigned int pos = 0;
while(pos < data.size()) {
int length = data.mid(pos, 4).toUInt();
ByteVector name = data.mid(pos + 4, 4);
int flags = data.mid(pos + 8, 4).toUInt();
if(name != "data") {
debug("MP4: Unexpected atom \"" + name + "\", expecting \"data\"");
return;
}
if(flags == MP4::CoverArt::PNG || flags == MP4::CoverArt::JPEG) {
value.append(MP4::CoverArt(MP4::CoverArt::Format(flags),
data.mid(pos + 16, length - 16)));
}
pos += length;
}
if(value.size() > 0)
d->items.insert(atom->name, value);
}
void
MP4::Tag::parseCovr(MP4::Atom *atom, TagLib::File *file)
{
MP4::CoverArtList value;
ByteVector data = file->readBlock(atom->length - 8);
unsigned int pos = 0;
while(pos < data.size()) {
int length = data.mid(pos, 4).toUInt();
ByteVector name = data.mid(pos + 4, 4);
int flags = data.mid(pos + 8, 4).toUInt();
if(name != "data") {
debug("MP4: Unexpected atom \"" + name + "\", expecting \"data\"");
break;
}
if (flags == 0) { //detect cover format when the cover format bytes are not set
ByteVector picHeader = data.mid(pos+16,9);
const char jpeg[] = {0xff, 0xd8, 0xff, 0xe0 };
const char jfif[] = {0x10, 0x4a, 0x46, 0x49, 0x46 };
const char png[] = {0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, 0x00 };
if ((memcmp(picHeader.data(), png, 9) == 0)) {
flags = MP4::CoverArt::PNG;
} else if ((memcmp(picHeader.data(), jpeg, 4) == 0)) {
flags = MP4::CoverArt::JPEG;
} else if ((memcmp(picHeader.data(), jfif, 5) == 0)) {
flags = MP4::CoverArt::JPEG;
}
}
if(flags == MP4::CoverArt::PNG || flags == MP4::CoverArt::JPEG || flags == 0) {
value.append(MP4::CoverArt(MP4::CoverArt::Format(flags),
data.mid(pos + 16, length - 16)));
}
pos += length;
}
if(value.size() > 0)
d->items.insert(atom->name, value);
}