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Restore the FX channel lock to its former glory

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In the course of 32b7e04, I removed the channel lock from FxChannel because
I was under the impression that it was only needed to prevent crashes on
channel delete. However, at least two people experience crackling audio
after it was removed (#2708). Therefore, this commit reinstates it.
This commit is contained in:
Fastigium
2016-03-27 10:05:45 +02:00
parent 47b835febe
commit 4aa725b509
2 changed files with 4 additions and 0 deletions
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3
src/core/FxMixer.cpp
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@@ -68,6 +68,7 @@ FxChannel::FxChannel( int idx, Model * _parent ) :
m_soloModel( false, _parent ),
m_volumeModel( 1.0, 0.0, 2.0, 0.001, _parent ),
m_name(),
m_lock(),
m_channelIndex( idx ),
m_queued( false ),
m_dependenciesMet( 0 )
@@ -547,8 +548,10 @@ void FxMixer::mixToChannel( const sampleFrame * _buf, fx_ch_t _ch )
{
if( m_fxChannels[_ch]->m_muteModel.value() == false )
{
m_fxChannels[_ch]->m_lock.lock();
MixHelpers::add( m_fxChannels[_ch]->m_buffer, _buf, Engine::mixer()->framesPerPeriod() );
m_fxChannels[_ch]->m_hasInput = true;
m_fxChannels[_ch]->m_lock.unlock();
}
}