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Put the no_alloc guard around entire process call

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This commit is contained in:
Robbert van der Helm 2022-02-06 15:24:18 +01:00
parent f644ae8df8
commit 3bd3696abe
1 changed files with 132 additions and 130 deletions
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24
src/wrapper/vst3.rs
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@ -1129,6 +1129,9 @@ impl<P: Plugin> IAudioProcessor for Wrapper<P> {
unsafe fn process(&self, data: *mut vst3_sys::vst::ProcessData) -> tresult {
check_null_ptr!(data);
// Panic on allocations if the `assert_process_allocs` feature has been enabled, and make
// sure that FTZ is set up correctly
process_wrapper(|| {
// We need to handle incoming automation first
let data = &*data;
let sample_rate = self
@ -1145,8 +1148,8 @@ impl<P: Plugin> IAudioProcessor for Wrapper<P> {
let param_hash = param_change_queue.get_parameter_id();
let num_changes = param_change_queue.get_point_count();
// TODO: Handle sample accurate parameter changes, possibly in a similar way to
// the smoothing
// TODO: Handle sample accurate parameter changes, possibly in a similar way
// to the smoothing
let mut sample_offset = 0i32;
let mut value = 0.0f64;
if num_changes > 0
@ -1235,7 +1238,9 @@ impl<P: Plugin> IAudioProcessor for Wrapper<P> {
{
let output_slices = output_buffer.as_raw_vec();
nih_debug_assert_eq!(num_output_channels, output_slices.len());
for (output_channel_idx, output_channel_slice) in output_slices.iter_mut().enumerate() {
for (output_channel_idx, output_channel_slice) in
output_slices.iter_mut().enumerate()
{
// SAFETY: These pointers may not be valid outside of this function even though
// their lifetime is equal to this structs. This is still safe because they are
// only dereferenced here later as part of this process function.
@ -1247,8 +1252,8 @@ impl<P: Plugin> IAudioProcessor for Wrapper<P> {
}
// Most hosts process data in place, in which case we don't need to do any copying
// ourselves. If the pointers do not alias, then we'll do the copy here and then the plugin
// can just do normal in place processing.
// ourselves. If the pointers do not alias, then we'll do the copy here and then the
// plugin can just do normal in place processing.
if !data.inputs.is_null() {
let num_input_channels = (*data.inputs).num_channels as usize;
nih_debug_assert!(
@ -1272,18 +1277,15 @@ impl<P: Plugin> IAudioProcessor for Wrapper<P> {
let mut plugin = self.inner.plugin.write();
let mut context = self.inner.make_process_context();
// Panic on allocations if the `assert_process_allocs` feature has been enabled, and make
// sure that FTZ is set up correctly
process_wrapper(
move || match plugin.process(&mut output_buffer, &mut context) {
match plugin.process(&mut output_buffer, &mut context) {
ProcessStatus::Error(err) => {
nih_debug_assert_failure!("Process error: {}", err);
kResultFalse
}
_ => kResultOk,
},
)
}
})
}
unsafe fn get_tail_samples(&self) -> u32 {