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Handle idempotent latency changes

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This commit is contained in:
Robbert van der Helm 2022-02-01 17:17:10 +01:00
parent e2e2c59d34
commit 473447179f
1 changed files with 8 additions and 5 deletions
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13
src/wrapper/vst3.rs
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@ -294,11 +294,14 @@ impl<P: Plugin> MainThreadExecutor<Task> for WrapperInner<'_, P> {
impl<P: Plugin> ProcessContext for WrapperInner<'_, P> {
fn set_latency_samples(&self, samples: u32) {
self.current_latency.store(samples, Ordering::SeqCst);
let task_posted = unsafe { self.event_loop.read().assume_init_ref() }.do_maybe_async(
Task::TriggerRestart(vst3_sys::vst::RestartFlags::kLatencyChanged as i32),
);
nih_debug_assert!(task_posted, "The task queue is full, dropping task...");
// Only trigger a restart if it's actually needed
let old_latency = self.current_latency.swap(samples, Ordering::SeqCst);
if old_latency != samples {
let task_posted = unsafe { self.event_loop.read().assume_init_ref() }.do_maybe_async(
Task::TriggerRestart(vst3_sys::vst::RestartFlags::kLatencyChanged as i32),
);
nih_debug_assert!(task_posted, "The task queue is full, dropping task...");
}
}
}