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SPU: Consider partial ticks when generating pending samples

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Fixes hitches in opening FMV in Soul Blade (Europe).
This commit is contained in:
Connor McLaughlin 2021-01-20 12:05:05 +10:00
parent a927bfbe50
commit 3c012ec6ef
1 changed files with 15 additions and 1 deletions
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16
src/core/spu.cpp
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@ -1001,7 +1001,21 @@ void SPU::GeneratePendingSamples()
if (m_transfer_event->IsActive())
m_transfer_event->InvokeEarly();
m_tick_event->InvokeEarly();
const TickCount ticks_pending = m_tick_event->GetTicksSinceLastExecution();
TickCount frames_to_execute;
if (g_settings.cpu_overclock_active)
{
frames_to_execute = static_cast<u32>((static_cast<u64>(ticks_pending) * g_settings.cpu_overclock_denominator) +
static_cast<u32>(m_ticks_carry)) /
static_cast<u32>(m_cpu_tick_divider);
}
else
{
frames_to_execute = (m_tick_event->GetTicksSinceLastExecution() + m_ticks_carry) / SYSCLK_TICKS_PER_SPU_TICK;
}
const bool force_exec = (frames_to_execute > 0);
m_tick_event->InvokeEarly(force_exec);
}
bool SPU::StartDumpingAudio(const char* filename)