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Read properties more efficiently

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This commit is contained in:
Stephen F. Booth
2013-11-29 08:27:48 -05:00
parent caf705958e
commit 733b537c63
1 changed files with 8 additions and 8 deletions
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16
taglib/dsf/dsfproperties.cpp
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@ -135,14 +135,14 @@ int DSF::AudioProperties::blockSizePerChannel() const
void DSF::AudioProperties::read(const ByteVector &data)
{
d->formatVersion = data.mid(0, 4).toUInt32LE(0);
d->formatID = data.mid(4, 4).toUInt32LE(0);
d->channelType = data.mid(8, 4).toUInt32LE(0);
d->channelNum = data.mid(12, 4).toUInt32LE(0);
d->samplingFrequency = data.mid(16, 4).toUInt32LE(0);
d->bitsPerSample = data.mid(20, 4).toUInt32LE(0);
d->sampleCount = data.mid(24, 8).toInt64LE(0);
d->blockSizePerChannel = data.mid(32, 4).toUInt32LE(0);
d->formatVersion = data.toUInt32LE(0);
d->formatID = data.toUInt32LE(4);
d->channelType = data.toUInt32LE(8);
d->channelNum = data.toUInt32LE(12);
d->samplingFrequency = data.toUInt32LE(16);
d->bitsPerSample = data.toUInt32LE(20);
d->sampleCount = data.toInt64LE(24);
d->blockSizePerChannel = data.toUInt32LE(32);
d->bitrate = (d->samplingFrequency * d->bitsPerSample * d->channelNum) / 1000.0;
d->length = d->samplingFrequency > 0 ? d->sampleCount / d->samplingFrequency : 0;