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LibAudio: Correctly output mono wav files

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Prevent two channels of data being written when the wav file is mono.
This commit is contained in:
Lee Hanken 2024-01-07 22:32:02 +00:00 committed by Andrew Kaster
parent aa245f9f18
commit 01930a7043
1 changed files with 6 additions and 4 deletions
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10
Userland/Libraries/LibAudio/WavWriter.cpp
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@ -50,9 +50,10 @@ ErrorOr<void> WavWriter::write_samples(ReadonlySpan<Sample> samples)
u8 left = static_cast<u8>((sample.left + 1) * scale);
u8 right = static_cast<u8>((sample.right + 1) * scale);
TRY(m_file->write_value(left));
TRY(m_file->write_value(right));
if (m_num_channels >= 2)
TRY(m_file->write_value(right));
}
m_data_sz += samples.size() * 2 * sizeof(u8);
m_data_sz += samples.size() * m_num_channels * sizeof(u8);
break;
}
case PcmSampleFormat::Int16: {
@ -61,9 +62,10 @@ ErrorOr<void> WavWriter::write_samples(ReadonlySpan<Sample> samples)
u16 left = AK::convert_between_host_and_little_endian(static_cast<i16>(sample.left * scale));
u16 right = AK::convert_between_host_and_little_endian(static_cast<i16>(sample.right * scale));
TRY(m_file->write_value(left));
TRY(m_file->write_value(right));
if (m_num_channels >= 2)
TRY(m_file->write_value(right));
}
m_data_sz += samples.size() * 2 * sizeof(u16);
m_data_sz += samples.size() * m_num_channels * sizeof(u16);
break;
}
default: