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allow 22-kHz SBR

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This commit is contained in:
Christian R. Helmrich
2021-07-30 23:00:00 +02:00
parent 057bb87e64
commit e72c4b1dcb
3 changed files with 254 additions and 6 deletions
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9
src/lib/bitStreamWriter.cpp
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@ -883,7 +883,14 @@ unsigned BitStreamWriter::createAudioConfig (const char samplingFrequencyIndex,
bitCount += 13; // incl. SbrDfltHeader following hereafter
m_auBitStream.write (15 - (sbrRatioShiftValue / 4), 4); // bs_start_freq
m_auBitStream.write (sf, 4); // 16193 @ 44.1, 18375 @ 48, 22500 @ 64 kHz
m_auBitStream.write ( 0, 2); // fix dflt_header_extra* = 0
if (loudnessInfo >> 30)
{
m_auBitStream.write (2, 2);// set dflt_header_extra1 = 1
m_auBitStream.write (2 + (loudnessInfo >> 31), 2);
m_auBitStream.write (4 | ((loudnessInfo >> 29) & 2), 3);
bitCount += 5;
}
else m_auBitStream.write (0, 2); // dflt_header_extra* = 0
if (elementType[el] == ID_USAC_CPE)
{