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Add a permit_alloc function

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Since assert_no_alloc also hides panic messages which can make debugging
more difficult:
https://github.com/Windfisch/rust-assert-no-alloc/issues/4
This commit is contained in:
Robbert van der Helm 2022-03-06 15:00:20 +01:00
parent 592a908132
commit 0fa394247f
1 changed files with 14 additions and 0 deletions
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14
src/util.rs
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@ -7,6 +7,20 @@ pub use stft::StftHelper;
pub const MINUS_INFINITY_DB: f32 = -100.0;
/// Temporarily allow allocations within `func` if NIH-plug was configured with the
/// `assert_process_allocs` feature.
#[cfg(all(debug_assertions, feature = "assert_process_allocs"))]
pub fn permit_alloc<T, F: FnOnce() -> T>(func: F) -> T {
assert_no_alloc::permit_alloc(func)
}
/// Temporarily allow allocations within `func` if NIH-plug was configured with the
/// `assert_process_allocs` feature.
#[cfg(not(all(debug_assertions, feature = "assert_process_allocs")))]
pub fn permit_alloc<T, F: FnOnce() -> T>(func: F) -> T {
func
}
/// Convert decibels to a voltage gain ratio, treating anything below -100 dB as minus infinity.
pub fn db_to_gain(dbs: f32) -> f32 {
if dbs > MINUS_INFINITY_DB {