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Consistent rounding when calculating the MP4 audio length.

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This commit is contained in:
Tsuda Kageyu 2015-11-19 18:24:20 +09:00
parent f310b1810d
commit 1cc3e4cc57
2 changed files with 2 additions and 2 deletions
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2
taglib/mp4/mp4properties.cpp
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@ -187,7 +187,7 @@ MP4::Properties::read(File *file, Atoms *atoms)
length = data.toUInt(24U);
}
if(unit > 0 && length > 0)
d->length = static_cast<int>(length * 1000.0 / unit);
d->length = static_cast<int>(length * 1000.0 / unit + 0.5);
MP4::Atom *atom = trak->find("mdia", "minf", "stbl", "stsd");
if(!atom) {

2
tests/test_mp4.cpp
View File

@ -40,7 +40,7 @@ public:
CPPUNIT_ASSERT(f.audioProperties());
CPPUNIT_ASSERT_EQUAL(3, f.audioProperties()->length());
CPPUNIT_ASSERT_EQUAL(3, f.audioProperties()->lengthInSeconds());
CPPUNIT_ASSERT_EQUAL(3707, f.audioProperties()->lengthInMilliseconds());
CPPUNIT_ASSERT_EQUAL(3708, f.audioProperties()->lengthInMilliseconds());
CPPUNIT_ASSERT_EQUAL(3, f.audioProperties()->bitrate());
CPPUNIT_ASSERT_EQUAL(2, f.audioProperties()->channels());
CPPUNIT_ASSERT_EQUAL(44100, f.audioProperties()->sampleRate());