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test_wav.cpp
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/***************************************************************************
copyright : (C) 2010 by Lukas Lalinsky
email : lukas@oxygene.sk
***************************************************************************/
/***************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License version *
* 2.1 as published by the Free Software Foundation. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA *
* 02110-1301 USA *
* *
* Alternatively, this file is available under the Mozilla Public *
* License Version 1.1. You may obtain a copy of the License at *
* http://www.mozilla.org/MPL/ *
***************************************************************************/
#include <string>
#include <cstdio>
#include "id3v2tag.h"
#include "infotag.h"
#include "tbytevectorlist.h"
#include "tbytevectorstream.h"
#include "tfilestream.h"
#include "tpropertymap.h"
#include "wavfile.h"
#include <cppunit/extensions/HelperMacros.h>
#include "plainfile.h"
#include "utils.h"
using namespace std;
using namespace TagLib;
class TestWAV : public CppUnit::TestFixture
{
CPPUNIT_TEST_SUITE(TestWAV);
CPPUNIT_TEST(testPCMProperties);
CPPUNIT_TEST(testALAWProperties);
CPPUNIT_TEST(testFloatProperties);
CPPUNIT_TEST(testFloatWithoutFactChunkProperties);
CPPUNIT_TEST(testZeroSizeDataChunk);
CPPUNIT_TEST(testID3v2Tag);
CPPUNIT_TEST(testSaveID3v23);
CPPUNIT_TEST(testInfoTag);
CPPUNIT_TEST(testStripTags);
CPPUNIT_TEST(testDuplicateTags);
CPPUNIT_TEST(testFuzzedFile1);
CPPUNIT_TEST(testFuzzedFile2);
CPPUNIT_TEST(testFileWithGarbageAppended);
CPPUNIT_TEST(testStripAndProperties);
CPPUNIT_TEST(testPCMWithFactChunk);
CPPUNIT_TEST(testWaveFormatExtensible);
CPPUNIT_TEST_SUITE_END();
public:
void testPCMProperties()
{
RIFF::WAV::File f(TEST_FILE_PATH_C("empty.wav"));
CPPUNIT_ASSERT(f.audioProperties());
CPPUNIT_ASSERT_EQUAL(3, f.audioProperties()->lengthInSeconds());
CPPUNIT_ASSERT_EQUAL(3675, f.audioProperties()->lengthInMilliseconds());
CPPUNIT_ASSERT_EQUAL(32, f.audioProperties()->bitrate());
CPPUNIT_ASSERT_EQUAL(2, f.audioProperties()->channels());
CPPUNIT_ASSERT_EQUAL(1000, f.audioProperties()->sampleRate());
CPPUNIT_ASSERT_EQUAL(16, f.audioProperties()->bitsPerSample());
CPPUNIT_ASSERT_EQUAL(3675U, f.audioProperties()->sampleFrames());
CPPUNIT_ASSERT_EQUAL(1, f.audioProperties()->format());
}
void testALAWProperties()
{
RIFF::WAV::File f(TEST_FILE_PATH_C("alaw.wav"));
CPPUNIT_ASSERT(f.audioProperties());
CPPUNIT_ASSERT_EQUAL(3, f.audioProperties()->lengthInSeconds());
CPPUNIT_ASSERT_EQUAL(3550, f.audioProperties()->lengthInMilliseconds());
CPPUNIT_ASSERT_EQUAL(128, f.audioProperties()->bitrate());
CPPUNIT_ASSERT_EQUAL(2, f.audioProperties()->channels());
CPPUNIT_ASSERT_EQUAL(8000, f.audioProperties()->sampleRate());
CPPUNIT_ASSERT_EQUAL(8, f.audioProperties()->bitsPerSample());
CPPUNIT_ASSERT_EQUAL(28400U, f.audioProperties()->sampleFrames());
CPPUNIT_ASSERT_EQUAL(6, f.audioProperties()->format());
}
void testFloatProperties()
{
RIFF::WAV::File f(TEST_FILE_PATH_C("float64.wav"));
CPPUNIT_ASSERT(f.audioProperties());
CPPUNIT_ASSERT_EQUAL(0, f.audioProperties()->lengthInSeconds());
CPPUNIT_ASSERT_EQUAL(97, f.audioProperties()->lengthInMilliseconds());
CPPUNIT_ASSERT_EQUAL(5645, f.audioProperties()->bitrate());
CPPUNIT_ASSERT_EQUAL(2, f.audioProperties()->channels());
CPPUNIT_ASSERT_EQUAL(44100, f.audioProperties()->sampleRate());
CPPUNIT_ASSERT_EQUAL(64, f.audioProperties()->bitsPerSample());
CPPUNIT_ASSERT_EQUAL(4281U, f.audioProperties()->sampleFrames());
CPPUNIT_ASSERT_EQUAL(3, f.audioProperties()->format());
}
void testFloatWithoutFactChunkProperties()
{
ByteVector wavData = PlainFile(TEST_FILE_PATH_C("float64.wav")).readAll();
CPPUNIT_ASSERT_EQUAL(ByteVector("fact"), wavData.mid(36, 4));
// Remove the fact chunk by renaming it to fakt
wavData[38] = 'k';
ByteVectorStream wavStream(wavData);
RIFF::WAV::File f(&wavStream);
CPPUNIT_ASSERT(f.audioProperties());
CPPUNIT_ASSERT_EQUAL(0, f.audioProperties()->lengthInSeconds());
CPPUNIT_ASSERT_EQUAL(97, f.audioProperties()->lengthInMilliseconds());
CPPUNIT_ASSERT_EQUAL(5645, f.audioProperties()->bitrate());
CPPUNIT_ASSERT_EQUAL(2, f.audioProperties()->channels());
CPPUNIT_ASSERT_EQUAL(44100, f.audioProperties()->sampleRate());
CPPUNIT_ASSERT_EQUAL(64, f.audioProperties()->bitsPerSample());
CPPUNIT_ASSERT_EQUAL(4281U, f.audioProperties()->sampleFrames());
CPPUNIT_ASSERT_EQUAL(3, f.audioProperties()->format());
}
void testZeroSizeDataChunk()
{
RIFF::WAV::File f(TEST_FILE_PATH_C("zero-size-chunk.wav"));
CPPUNIT_ASSERT(f.isValid());
}
void testID3v2Tag()
{
ScopedFileCopy copy("empty", ".wav");
string filename = copy.fileName();
{
RIFF::WAV::File f(filename.c_str());
CPPUNIT_ASSERT(f.isValid());
CPPUNIT_ASSERT(!f.hasID3v2Tag());
f.ID3v2Tag()->setTitle(L"Title");
f.ID3v2Tag()->setArtist(L"Artist");
f.save();
CPPUNIT_ASSERT(f.hasID3v2Tag());
}
{
RIFF::WAV::File f(filename.c_str());
CPPUNIT_ASSERT(f.isValid());
CPPUNIT_ASSERT(f.hasID3v2Tag());
CPPUNIT_ASSERT_EQUAL(String(L"Title"), f.ID3v2Tag()->title());
CPPUNIT_ASSERT_EQUAL(String(L"Artist"), f.ID3v2Tag()->artist());
f.ID3v2Tag()->setTitle(L"");
f.ID3v2Tag()->setArtist(L"");
f.save();
CPPUNIT_ASSERT(!f.hasID3v2Tag());
}
{
RIFF::WAV::File f(filename.c_str());
CPPUNIT_ASSERT(f.isValid());
CPPUNIT_ASSERT(!f.hasID3v2Tag());
CPPUNIT_ASSERT_EQUAL(String(L""), f.ID3v2Tag()->title());
CPPUNIT_ASSERT_EQUAL(String(L""), f.ID3v2Tag()->artist());
}
}
void testSaveID3v23()
{
ScopedFileCopy copy("empty", ".wav");
string newname = copy.fileName();
String xxx = ByteVector(254, 'X');
{
RIFF::WAV::File f(newname.c_str());
CPPUNIT_ASSERT_EQUAL(false, f.hasID3v2Tag());
f.tag()->setTitle(xxx);
f.tag()->setArtist("Artist A");
f.save(RIFF::WAV::File::AllTags, File::StripOthers, ID3v2::v3);
CPPUNIT_ASSERT_EQUAL(true, f.hasID3v2Tag());
}
{
RIFF::WAV::File f2(newname.c_str());
CPPUNIT_ASSERT_EQUAL(static_cast<unsigned int>(3), f2.ID3v2Tag()->header()->majorVersion());
CPPUNIT_ASSERT_EQUAL(String("Artist A"), f2.tag()->artist());
CPPUNIT_ASSERT_EQUAL(xxx, f2.tag()->title());
}
}
void testInfoTag()
{
ScopedFileCopy copy("empty", ".wav");
string filename = copy.fileName();
{
RIFF::WAV::File f(filename.c_str());
CPPUNIT_ASSERT(f.isValid());
CPPUNIT_ASSERT(!f.hasInfoTag());
f.InfoTag()->setTitle(L"Title");
f.InfoTag()->setArtist(L"Artist");
f.save();
CPPUNIT_ASSERT(f.hasInfoTag());
}
{
RIFF::WAV::File f(filename.c_str());
CPPUNIT_ASSERT(f.isValid());
CPPUNIT_ASSERT(f.hasInfoTag());
CPPUNIT_ASSERT_EQUAL(String(L"Title"), f.InfoTag()->title());
CPPUNIT_ASSERT_EQUAL(String(L"Artist"), f.InfoTag()->artist());
f.InfoTag()->setTitle(L"");
f.InfoTag()->setArtist(L"");
f.save();
CPPUNIT_ASSERT(!f.hasInfoTag());
}
{
RIFF::WAV::File f(filename.c_str());
CPPUNIT_ASSERT(f.isValid());
CPPUNIT_ASSERT(!f.hasInfoTag());
CPPUNIT_ASSERT_EQUAL(String(L""), f.InfoTag()->title());
CPPUNIT_ASSERT_EQUAL(String(L""), f.InfoTag()->artist());
}
}
void testStripTags()
{
ScopedFileCopy copy("empty", ".wav");
string filename = copy.fileName();
{
RIFF::WAV::File f(filename.c_str());
f.ID3v2Tag()->setTitle("test title");
f.InfoTag()->setTitle("test title");
f.save();
}
{
RIFF::WAV::File f(filename.c_str());
CPPUNIT_ASSERT(f.hasID3v2Tag());
CPPUNIT_ASSERT(f.hasInfoTag());
f.save(RIFF::WAV::File::ID3v2, File::StripOthers);
}
{
RIFF::WAV::File f(filename.c_str());
CPPUNIT_ASSERT(f.hasID3v2Tag());
CPPUNIT_ASSERT(!f.hasInfoTag());
f.ID3v2Tag()->setTitle("test title");
f.InfoTag()->setTitle("test title");
f.save();
}
{
RIFF::WAV::File f(filename.c_str());
CPPUNIT_ASSERT(f.hasID3v2Tag());
CPPUNIT_ASSERT(f.hasInfoTag());
f.save(RIFF::WAV::File::Info, File::StripOthers);
}
{
RIFF::WAV::File f(filename.c_str());
CPPUNIT_ASSERT(!f.hasID3v2Tag());
CPPUNIT_ASSERT(f.hasInfoTag());
}
}
void testDuplicateTags()
{
ScopedFileCopy copy("duplicate_tags", ".wav");
RIFF::WAV::File f(copy.fileName().c_str());
CPPUNIT_ASSERT_EQUAL(static_cast<offset_t>(17052), f.length());
// duplicate_tags.wav has duplicate ID3v2/INFO tags.
// title() returns "Title2" if can't skip the second tag.
CPPUNIT_ASSERT(f.hasID3v2Tag());
CPPUNIT_ASSERT_EQUAL(String("Title1"), f.ID3v2Tag()->title());
CPPUNIT_ASSERT(f.hasInfoTag());
CPPUNIT_ASSERT_EQUAL(String("Title1"), f.InfoTag()->title());
f.save();
CPPUNIT_ASSERT_EQUAL(static_cast<offset_t>(15898), f.length());
CPPUNIT_ASSERT_EQUAL(static_cast<offset_t>(-1), f.find("Title2"));
}
void testFuzzedFile1()
{
RIFF::WAV::File f1(TEST_FILE_PATH_C("infloop.wav"));
CPPUNIT_ASSERT(f1.isValid());
// The file has problems:
// Chunk 'ISTt' has invalid size (larger than the file size).
// Its properties can nevertheless be read.
RIFF::WAV::Properties* properties = f1.audioProperties();
CPPUNIT_ASSERT_EQUAL(1, properties->channels());
CPPUNIT_ASSERT_EQUAL(88, properties->bitrate());
CPPUNIT_ASSERT_EQUAL(8, properties->bitsPerSample());
CPPUNIT_ASSERT_EQUAL(11025, properties->sampleRate());
CPPUNIT_ASSERT(!f1.hasInfoTag());
CPPUNIT_ASSERT(!f1.hasID3v2Tag());
}
void testFuzzedFile2()
{
RIFF::WAV::File f2(TEST_FILE_PATH_C("segfault.wav"));
CPPUNIT_ASSERT(f2.isValid());
}
void testFileWithGarbageAppended()
{
ScopedFileCopy copy("empty", ".wav");
ByteVector contentsBeforeModification;
{
FileStream stream(copy.fileName().c_str());
stream.seek(0, IOStream::End);
const char garbage[] = "12345678";
stream.writeBlock(ByteVector(garbage, sizeof(garbage) - 1));
stream.seek(0);
contentsBeforeModification = stream.readBlock(stream.length());
}
{
RIFF::WAV::File f(copy.fileName().c_str());
CPPUNIT_ASSERT(f.isValid());
f.ID3v2Tag()->setTitle("ID3v2 Title");
f.InfoTag()->setTitle("INFO Title");
CPPUNIT_ASSERT(f.save());
}
{
RIFF::WAV::File f(copy.fileName().c_str());
f.strip();
}
{
FileStream stream(copy.fileName().c_str());
ByteVector contentsAfterModification = stream.readBlock(stream.length());
CPPUNIT_ASSERT_EQUAL(contentsBeforeModification, contentsAfterModification);
}
}
void testStripAndProperties()
{
ScopedFileCopy copy("empty", ".wav");
{
RIFF::WAV::File f(copy.fileName().c_str());
f.ID3v2Tag()->setTitle("ID3v2");
f.InfoTag()->setTitle("INFO");
f.save();
}
{
RIFF::WAV::File f(copy.fileName().c_str());
CPPUNIT_ASSERT_EQUAL(String("ID3v2"), f.properties()["TITLE"].front());
f.strip(RIFF::WAV::File::ID3v2);
CPPUNIT_ASSERT_EQUAL(String("INFO"), f.properties()["TITLE"].front());
f.strip(RIFF::WAV::File::Info);
CPPUNIT_ASSERT(f.properties().isEmpty());
}
}
void testPCMWithFactChunk()
{
RIFF::WAV::File f(TEST_FILE_PATH_C("pcm_with_fact_chunk.wav"));
CPPUNIT_ASSERT(f.audioProperties());
CPPUNIT_ASSERT_EQUAL(3, f.audioProperties()->lengthInSeconds());
CPPUNIT_ASSERT_EQUAL(3675, f.audioProperties()->lengthInMilliseconds());
CPPUNIT_ASSERT_EQUAL(32, f.audioProperties()->bitrate());
CPPUNIT_ASSERT_EQUAL(2, f.audioProperties()->channels());
CPPUNIT_ASSERT_EQUAL(1000, f.audioProperties()->sampleRate());
CPPUNIT_ASSERT_EQUAL(16, f.audioProperties()->bitsPerSample());
CPPUNIT_ASSERT_EQUAL(3675U, f.audioProperties()->sampleFrames());
CPPUNIT_ASSERT_EQUAL(1, f.audioProperties()->format());
}
void testWaveFormatExtensible()
{
RIFF::WAV::File f(TEST_FILE_PATH_C("uint8we.wav"));
CPPUNIT_ASSERT(f.audioProperties());
CPPUNIT_ASSERT_EQUAL(2, f.audioProperties()->lengthInSeconds());
CPPUNIT_ASSERT_EQUAL(2937, f.audioProperties()->lengthInMilliseconds());
CPPUNIT_ASSERT_EQUAL(128, f.audioProperties()->bitrate());
CPPUNIT_ASSERT_EQUAL(2, f.audioProperties()->channels());
CPPUNIT_ASSERT_EQUAL(8000, f.audioProperties()->sampleRate());
CPPUNIT_ASSERT_EQUAL(8, f.audioProperties()->bitsPerSample());
CPPUNIT_ASSERT_EQUAL(23493U, f.audioProperties()->sampleFrames());
CPPUNIT_ASSERT_EQUAL(1, f.audioProperties()->format());
}
};
CPPUNIT_TEST_SUITE_REGISTRATION(TestWAV);