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More robust checks for invalid MPEG frame headers. (again)

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Tsuda Kageyu
2015-12-22 14:54:07 +09:00
parent ac361c7692
commit 081d6eaf76
6 changed files with 70 additions and 23 deletions
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tests/data/invalid-frames.mp3
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tests/data/invalid-frames2.mp3 Normal file
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31
tests/test_mpeg.cpp
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@ -22,7 +22,8 @@ class TestMPEG : public CppUnit::TestFixture
CPPUNIT_TEST(testAudioPropertiesXingHeaderVBR);
CPPUNIT_TEST(testAudioPropertiesVBRIHeader);
CPPUNIT_TEST(testAudioPropertiesNoVBRHeaders);
CPPUNIT_TEST(testSkipInvalidFrames);
CPPUNIT_TEST(testSkipInvalidFrames1);
CPPUNIT_TEST(testSkipInvalidFrames2);
CPPUNIT_TEST(testVersion2DurationWithXingHeader);
CPPUNIT_TEST(testSaveID3v24);
CPPUNIT_TEST(testSaveID3v24WrongParam);
@ -93,35 +94,43 @@ public:
CPPUNIT_ASSERT(!f.audioProperties()->xingHeader());
long last = f.lastFrameOffset();
f.seek(last);
MPEG::Header lastHeader(f.readBlock(4));
MPEG::Header lastHeader(&f, last);
while (!lastHeader.isValid()) {
last = f.previousFrameOffset(last);
f.seek(last);
lastHeader = MPEG::Header(f.readBlock(4));
lastHeader = MPEG::Header(&f, last);
}
CPPUNIT_ASSERT_EQUAL(28213L, last);
CPPUNIT_ASSERT_EQUAL(28004L, last);
CPPUNIT_ASSERT_EQUAL(209, lastHeader.frameLength());
}
void testSkipInvalidFrames()
void testSkipInvalidFrames1()
{
MPEG::File f(TEST_FILE_PATH_C("invalid-frames.mp3"));
CPPUNIT_ASSERT(f.audioProperties());
CPPUNIT_ASSERT_EQUAL(0, f.audioProperties()->length());
CPPUNIT_ASSERT_EQUAL(0, f.audioProperties()->lengthInSeconds());
CPPUNIT_ASSERT_EQUAL(393, f.audioProperties()->lengthInMilliseconds());
CPPUNIT_ASSERT_EQUAL(392, f.audioProperties()->lengthInMilliseconds());
CPPUNIT_ASSERT_EQUAL(160, f.audioProperties()->bitrate());
CPPUNIT_ASSERT_EQUAL(2, f.audioProperties()->channels());
CPPUNIT_ASSERT_EQUAL(44100, f.audioProperties()->sampleRate());
CPPUNIT_ASSERT(!f.audioProperties()->xingHeader());
}
void testSkipInvalidFrames2()
{
MPEG::File f(TEST_FILE_PATH_C("invalid-frames2.mp3"));
CPPUNIT_ASSERT(f.audioProperties());
CPPUNIT_ASSERT_EQUAL(0, f.audioProperties()->length());
CPPUNIT_ASSERT_EQUAL(0, f.audioProperties()->lengthInSeconds());
CPPUNIT_ASSERT_EQUAL(314, f.audioProperties()->lengthInMilliseconds());
CPPUNIT_ASSERT_EQUAL(192, f.audioProperties()->bitrate());
CPPUNIT_ASSERT_EQUAL(2, f.audioProperties()->channels());
CPPUNIT_ASSERT_EQUAL(44100, f.audioProperties()->sampleRate());
CPPUNIT_ASSERT(!f.audioProperties()->xingHeader());
}
void testVersion2DurationWithXingHeader()
{
MPEG::File f(TEST_FILE_PATH_C("mpeg2.mp3"));