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Handle hosts providing zero output channels

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This commit is contained in:
Robbert van der Helm 2022-04-27 16:51:47 +02:00
parent afde489bbf
commit 21e28fdca2
1 changed files with 6 additions and 2 deletions
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8
src/wrapper/vst3/wrapper.rs
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@ -975,8 +975,12 @@ impl<P: Vst3Plugin> IAudioProcessor for Wrapper<P> {
let num_output_channels = (*data.outputs).num_channels as usize;
nih_debug_assert_eq!(num_output_channels, output_slices.len());
for (output_channel_idx, output_channel_slice) in
output_slices.iter_mut().enumerate()
// In case the host does provide fewer output channels than we expect, we
// should still try to handle that gracefully
for (output_channel_idx, output_channel_slice) in output_slices
.iter_mut()
.take(num_output_channels)
.enumerate()
{
// If `P::SAMPLE_ACCURATE_AUTOMATION` is set, then we may be iterating
// over the buffer in smaller sections.