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Bug: correct EAC3+AC3 core bitrate (#175)

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jcdr428 2020-02-04 22:27:20 +02:00 committed by GitHub
parent 2f20f31db3
commit 4ed401b946
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2 changed files with 10 additions and 7 deletions
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14
tsMuxer/ac3Codec.cpp
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@ -147,17 +147,17 @@ int AC3Codec::parseHeader(uint8_t* buf, uint8_t* end)
numblkscod = gbc.getBits(2);
m_sample_rate = ff_ac3_freqs[m_fscod];
}
m_bsmod = 0;
m_acmod = gbc.getBits(3);
m_lfeon = gbc.getBit();
m_channels = ff_ac3_channels[m_acmod] + m_lfeon;
int acmodExt = gbc.getBits(3);
int lfeonExt = gbc.getBit();
if (m_lfeon == 0)
m_lfeon = lfeonExt;
if (m_channels == 0) // no AC3 core
m_channels = ff_ac3_channels[acmodExt] + lfeonExt;
m_samples = eac3_blocks[numblkscod] * 256;
m_bit_rateExt = m_frame_size * (m_sample_rate)*8 / (m_samples);
m_bit_rate = 0;
gbc.skipBits(5); // skip bsid, already got it
m_bsidBase = m_bsid;
for (int i = 0; i < (m_acmod ? 1 : 2); i++)
for (int i = 0; i < (acmodExt ? 1 : 2); i++)
{
gbc.skipBits(5); // skip dialog normalization
if (gbc.getBit())

3
tsMuxer/ac3Codec.h
View File

@ -59,6 +59,9 @@ class AC3Codec
setTestMode(false);
m_frameDuration = false;
m_bit_rateExt = 0;
m_bit_rate = 0;
m_channels = 0;
m_lfeon = 0;
m_extChannelsExists = false;
m_bsid = m_bsidBase = 0;
m_dsurmod = 0;