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SPU: Always run, not only when enabled

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This commit is contained in:
Connor McLaughlin 2020-03-14 15:01:23 +10:00
parent c3cb6ef393
commit 90d6babfb0
1 changed files with 1 additions and 9 deletions
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10
src/core/spu.cpp
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@ -626,8 +626,6 @@ void SPU::IncrementCaptureBufferPosition()
void SPU::Execute(TickCount ticks)
{
DebugAssert(m_SPUCNT.enable || m_SPUCNT.cd_audio_enable);
u32 remaining_frames = static_cast<u32>((ticks + m_ticks_carry) / SYSCLK_TICKS_PER_SPU_TICK);
m_ticks_carry = (ticks + m_ticks_carry) % SYSCLK_TICKS_PER_SPU_TICK;
@ -697,19 +695,13 @@ void SPU::Execute(TickCount ticks)
void SPU::UpdateEventInterval()
{
if (!m_SPUCNT.enable && !m_SPUCNT.cd_audio_enable)
{
m_sample_event->Deactivate();
return;
}
// Don't generate more than the audio buffer since in a single slice, otherwise we'll both overflow the buffers when
// we do write it, and the audio thread will underflow since it won't have enough data it the game isn't messing with
// the SPU state.
const u32 max_slice_frames = m_system->GetHostInterface()->GetAudioStream()->GetBufferSize();
// TODO: Make this predict how long until the interrupt will be hit instead...
const u32 interval = m_SPUCNT.irq9_enable ? 1 : max_slice_frames;
const u32 interval = (m_SPUCNT.enable && m_SPUCNT.irq9_enable) ? 1 : max_slice_frames;
const TickCount interval_ticks = static_cast<TickCount>(interval) * SYSCLK_TICKS_PER_SPU_TICK;
if (m_sample_event->IsActive() && m_sample_event->GetInterval() == interval_ticks)
return;