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Completely reword the audio IO layout system

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Instead of a VST3-style polling function to test if a plugin supports a
certain layout, the plugin now explicitly enumerates the supported
layouts. This aligns better with non-VST3 plugin formats.
This commit is contained in:
Robbert van der Helm
2023-02-20 16:57:32 +01:00
parent 36c48157db
commit e8fd18ab80
32 changed files with 972 additions and 838 deletions
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22
plugins/examples/sine/src/lib.rs
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@@ -105,8 +105,19 @@ impl Plugin for Sine {
const VERSION: &'static str = env!("CARGO_PKG_VERSION");
const DEFAULT_INPUT_CHANNELS: u32 = 0;
const DEFAULT_OUTPUT_CHANNELS: u32 = 2;
const AUDIO_IO_LAYOUTS: &'static [AudioIOLayout] = &[
AudioIOLayout {
// This is also the default and can be omitted here
main_input_channels: None,
main_output_channels: NonZeroU32::new(2),
..AudioIOLayout::const_default()
},
AudioIOLayout {
main_input_channels: None,
main_output_channels: NonZeroU32::new(1),
..AudioIOLayout::const_default()
},
];
const MIDI_INPUT: MidiConfig = MidiConfig::Basic;
const SAMPLE_ACCURATE_AUTOMATION: bool = true;
@@ -118,14 +129,9 @@ impl Plugin for Sine {
self.params.clone()
}
fn accepts_bus_config(&self, config: &BusConfig) -> bool {
// This can output to any number of channels, but it doesn't take any audio inputs
config.num_input_channels == 0 && config.num_output_channels > 0
}
fn initialize(
&mut self,
_bus_config: &BusConfig,
_audio_io_layout: &AudioIOLayout,
buffer_config: &BufferConfig,
_context: &mut impl InitContext<Self>,
) -> bool {