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Take slot size into account when calculating MPEG audio frame size

This commit is contained in:
Martchus 2020-11-14 22:54:33 +01:00
parent 41184e704d
commit c583b3984f
1 changed files with 6 additions and 5 deletions
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11
mpegaudio/mpegaudioframe.cpp
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@ -196,12 +196,13 @@ std::uint32_t MpegAudioFrame::sampleCount() const
std::uint32_t MpegAudioFrame::size() const
{
switch (m_header & 0x60000u) {
case 0x60000u:
case 0x60000u: // layer 1
return static_cast<std::uint32_t>(
((static_cast<double>(bitrate()) * 1024.0 / 8.0) / static_cast<double>(samplingFrequency())) * static_cast<double>(sampleCount())
+ static_cast<double>(paddingSize()));
case 0x40000u:
case 0x20000u:
((static_cast<double>(bitrate()) * 1024.0 / 8.0) / static_cast<double>(samplingFrequency())) * static_cast<double>(sampleCount())
+ static_cast<double>(paddingSize()))
* 4;
case 0x40000u: // layer 2
case 0x20000u: // layer 3
return static_cast<std::uint32_t>(
((static_cast<double>(bitrate()) * 1024.0 / 8.0) / static_cast<double>(samplingFrequency())) * static_cast<double>(sampleCount())
+ static_cast<double>(paddingSize()));