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test_mp4.cpp
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#include <string>
#include <stdio.h>
#include <tag.h>
#include <mp4tag.h>
#include <tbytevectorlist.h>
#include <tpropertymap.h>
#include <mp4atom.h>
#include <mp4file.h>
#include <cppunit/extensions/HelperMacros.h>
#include "utils.h"
using namespace std;
using namespace TagLib;
class TestMP4 : public CppUnit::TestFixture
{
CPPUNIT_TEST_SUITE(TestMP4);
CPPUNIT_TEST(testPropertiesAAC);
CPPUNIT_TEST(testPropertiesALAC);
CPPUNIT_TEST(testFreeForm);
CPPUNIT_TEST(testCheckValid);
CPPUNIT_TEST(testUpdateStco);
CPPUNIT_TEST(testSaveExisingWhenIlstIsLast);
CPPUNIT_TEST(test64BitAtom);
CPPUNIT_TEST(testGnre);
CPPUNIT_TEST(testCovrRead);
CPPUNIT_TEST(testCovrWrite);
CPPUNIT_TEST(testCovrRead2);
CPPUNIT_TEST(testProperties);
CPPUNIT_TEST_SUITE_END();
public:
void testPropertiesAAC()
{
MP4::File f(TEST_FILE_PATH_C("has-tags.m4a"));
CPPUNIT_ASSERT_EQUAL(3, f.audioProperties()->length());
CPPUNIT_ASSERT_EQUAL(3, f.audioProperties()->bitrate());
CPPUNIT_ASSERT_EQUAL(2, f.audioProperties()->channels());
CPPUNIT_ASSERT_EQUAL(44100, f.audioProperties()->sampleRate());
CPPUNIT_ASSERT_EQUAL(16, ((MP4::Properties *)f.audioProperties())->bitsPerSample());
CPPUNIT_ASSERT_EQUAL(MP4::Properties::AAC, ((MP4::Properties *)f.audioProperties())->codec());
}
void testPropertiesALAC()
{
MP4::File f(TEST_FILE_PATH_C("empty_alac.m4a"));
CPPUNIT_ASSERT_EQUAL(3, f.audioProperties()->length());
CPPUNIT_ASSERT_EQUAL(2, f.audioProperties()->bitrate());
CPPUNIT_ASSERT_EQUAL(2, f.audioProperties()->channels());
CPPUNIT_ASSERT_EQUAL(44100, f.audioProperties()->sampleRate());
CPPUNIT_ASSERT_EQUAL(16, ((MP4::Properties *)f.audioProperties())->bitsPerSample());
CPPUNIT_ASSERT_EQUAL(MP4::Properties::ALAC, ((MP4::Properties *)f.audioProperties())->codec());
}
void testCheckValid()
{
MP4::File f(TEST_FILE_PATH_C("empty.aiff"));
CPPUNIT_ASSERT(!f.isValid());
MP4::File f2(TEST_FILE_PATH_C("has-tags.m4a"));
CPPUNIT_ASSERT(f2.isValid());
}
void testUpdateStco()
{
ScopedFileCopy copy("no-tags", ".3g2");
string filename = copy.fileName();
MP4::File *f = new MP4::File(filename.c_str());
f->tag()->setArtist(ByteVector(3000, 'x'));
ByteVectorList data1;
{
MP4::Atoms a(f);
MP4::Atom *stco = a.find("moov")->findall("stco", true)[0];
f->seek(stco->offset + 12);
ByteVector data = f->readBlock(stco->length - 12);
unsigned int count = data.mid(0, 4).toUInt();
int pos = 4;
while (count--) {
unsigned int offset = data.mid(pos, 4).toUInt();
f->seek(offset);
data1.append(f->readBlock(20));
pos += 4;
}
}
f->save();
delete f;
f = new MP4::File(filename.c_str());
{
MP4::Atoms a(f);
MP4::Atom *stco = a.find("moov")->findall("stco", true)[0];
f->seek(stco->offset + 12);
ByteVector data = f->readBlock(stco->length - 12);
unsigned int count = data.mid(0, 4).toUInt();
int pos = 4, i = 0;
while (count--) {
unsigned int offset = data.mid(pos, 4).toUInt();
f->seek(offset);
CPPUNIT_ASSERT_EQUAL(data1[i], f->readBlock(20));
pos += 4;
i++;
}
}
delete f;
}
void testFreeForm()
{
ScopedFileCopy copy("has-tags", ".m4a");
string filename = copy.fileName();
MP4::File *f = new MP4::File(filename.c_str());
CPPUNIT_ASSERT(f->tag()->itemListMap().contains("----:com.apple.iTunes:iTunNORM"));
f->tag()->itemListMap()["----:org.kde.TagLib:Foo"] = StringList("Bar");
f->save();
delete f;
f = new MP4::File(filename.c_str());
CPPUNIT_ASSERT(f->tag()->itemListMap().contains("----:org.kde.TagLib:Foo"));
CPPUNIT_ASSERT_EQUAL(String("Bar"), f->tag()->itemListMap()["----:org.kde.TagLib:Foo"].toStringList()[0]);
f->save();
delete f;
}
void testSaveExisingWhenIlstIsLast()
{
ScopedFileCopy copy("ilst-is-last", ".m4a");
string filename = copy.fileName();
MP4::File *f = new MP4::File(filename.c_str());
CPPUNIT_ASSERT_EQUAL(String("82,164"), f->tag()->itemListMap()["----:com.apple.iTunes:replaygain_track_minmax"].toStringList()[0]);
CPPUNIT_ASSERT_EQUAL(String("Pearl Jam"), f->tag()->artist());
f->tag()->setComment("foo");
f->save();
delete f;
f = new MP4::File(filename.c_str());
CPPUNIT_ASSERT_EQUAL(String("82,164"), f->tag()->itemListMap()["----:com.apple.iTunes:replaygain_track_minmax"].toStringList()[0]);
CPPUNIT_ASSERT_EQUAL(String("Pearl Jam"), f->tag()->artist());
CPPUNIT_ASSERT_EQUAL(String("foo"), f->tag()->comment());
}
void test64BitAtom()
{
ScopedFileCopy copy("64bit", ".mp4");
string filename = copy.fileName();
MP4::File *f = new MP4::File(filename.c_str());
CPPUNIT_ASSERT_EQUAL(true, f->tag()->itemListMap()["cpil"].toBool());
MP4::Atoms *atoms = new MP4::Atoms(f);
MP4::Atom *moov = atoms->atoms[0];
CPPUNIT_ASSERT_EQUAL(long(77), moov->length);
f->tag()->itemListMap()["pgap"] = true;
f->save();
delete f;
f = new MP4::File(filename.c_str());
CPPUNIT_ASSERT_EQUAL(true, f->tag()->itemListMap()["cpil"].toBool());
CPPUNIT_ASSERT_EQUAL(true, f->tag()->itemListMap()["pgap"].toBool());
atoms = new MP4::Atoms(f);
moov = atoms->atoms[0];
// original size + 'pgap' size + padding
CPPUNIT_ASSERT_EQUAL(long(77 + 25 + 974), moov->length);
delete f;
}
void testGnre()
{
MP4::File *f = new MP4::File(TEST_FILE_PATH_C("gnre.m4a"));
CPPUNIT_ASSERT_EQUAL(TagLib::String("Ska"), f->tag()->genre());
delete f;
}
void testCovrRead()
{
MP4::File *f = new MP4::File(TEST_FILE_PATH_C("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());
delete f;
}
void testCovrWrite()
{
ScopedFileCopy copy("has-tags", ".m4a");
string filename = copy.fileName();
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;
}
void testCovrRead2()
{
MP4::File *f = new MP4::File(TEST_FILE_PATH_C("covr-junk.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());
delete f;
}
void testProperties()
{
MP4::File f(TEST_FILE_PATH_C("has-tags.m4a"));
PropertyMap tags = f.properties();
CPPUNIT_ASSERT_EQUAL(StringList("Test Artist"), tags["ARTIST"]);
tags["TRACKNUMBER"] = StringList("2/4");
tags["DISCNUMBER"] = StringList("3/5");
tags["BPM"] = StringList("123");
tags["ARTIST"] = StringList("Foo Bar");
tags["COMPILATION"] = StringList("1");
f.setProperties(tags);
tags = f.properties();
CPPUNIT_ASSERT(f.tag()->itemListMap().contains("trkn"));
CPPUNIT_ASSERT_EQUAL(2, f.tag()->itemListMap()["trkn"].toIntPair().first);
CPPUNIT_ASSERT_EQUAL(4, f.tag()->itemListMap()["trkn"].toIntPair().second);
CPPUNIT_ASSERT_EQUAL(StringList("2/4"), tags["TRACKNUMBER"]);
CPPUNIT_ASSERT(f.tag()->itemListMap().contains("disk"));
CPPUNIT_ASSERT_EQUAL(3, f.tag()->itemListMap()["disk"].toIntPair().first);
CPPUNIT_ASSERT_EQUAL(5, f.tag()->itemListMap()["disk"].toIntPair().second);
CPPUNIT_ASSERT_EQUAL(StringList("3/5"), tags["DISCNUMBER"]);
CPPUNIT_ASSERT(f.tag()->itemListMap().contains("tmpo"));
CPPUNIT_ASSERT_EQUAL(123, f.tag()->itemListMap()["tmpo"].toInt());
CPPUNIT_ASSERT_EQUAL(StringList("123"), tags["BPM"]);
CPPUNIT_ASSERT(f.tag()->itemListMap().contains("\251ART"));
CPPUNIT_ASSERT_EQUAL(StringList("Foo Bar"), f.tag()->itemListMap()["\251ART"].toStringList());
CPPUNIT_ASSERT_EQUAL(StringList("Foo Bar"), tags["ARTIST"]);
CPPUNIT_ASSERT(f.tag()->itemListMap().contains("cpil"));
CPPUNIT_ASSERT_EQUAL(true, f.tag()->itemListMap()["cpil"].toBool());
CPPUNIT_ASSERT_EQUAL(StringList("1"), tags["COMPILATION"]);
tags["COMPILATION"] = StringList("0");
f.setProperties(tags);
tags = f.properties();
CPPUNIT_ASSERT(f.tag()->itemListMap().contains("cpil"));
CPPUNIT_ASSERT_EQUAL(false, f.tag()->itemListMap()["cpil"].toBool());
CPPUNIT_ASSERT_EQUAL(StringList("0"), tags["COMPILATION"]);
}
};
CPPUNIT_TEST_SUITE_REGISTRATION(TestMP4);