vst_audio_protocol/
processing.rs

1//! Shared processing configuration. Native bus indices are never collapsed.
2use crate::Bus;
3pub use vst_audio_ring::{
4    Event, EventBuffer, EventData, MAX_EVENTS, MAX_SYSEX_BYTES, SampleFormat, Transport,
5};
6
7#[derive(Clone, Debug, Eq, PartialEq)]
8pub struct BusConfiguration {
9    pub layout: Bus,
10    pub active: bool,
11}
12impl From<Bus> for BusConfiguration {
13    fn from(layout: Bus) -> Self {
14        Self {
15            layout,
16            active: true,
17        }
18    }
19}
20#[derive(Clone, Debug, Eq, PartialEq)]
21pub struct ProcessingSetup {
22    pub sample_rate: u32,
23    pub quantum: u32,
24    pub sample_format: SampleFormat,
25    pub offline: bool,
26    pub inputs: Vec<BusConfiguration>,
27    pub outputs: Vec<BusConfiguration>,
28}
29impl ProcessingSetup {
30    pub fn channels(buses: &[BusConfiguration]) -> u16 {
31        buses
32            .iter()
33            .filter(|b| b.active)
34            .map(|b| u32::from(b.layout.channels))
35            .sum::<u32>()
36            .min(u32::from(u16::MAX)) as u16
37    }
38    pub fn valid(&self) -> bool {
39        (1000..=1_000_000).contains(&self.sample_rate)
40            && (1..=65536).contains(&self.quantum)
41            && [&self.inputs, &self.outputs].iter().all(|buses| {
42                buses.len() <= 32
43                    && Self::channels(buses) <= 64
44                    && buses.iter().all(|b| {
45                        b.layout.channels <= 64
46                            && (b.layout.arrangement == 0
47                                || b.layout.arrangement.count_ones()
48                                    == u32::from(b.layout.channels))
49                    })
50            })
51    }
52}
53#[derive(Clone, Copy, Debug, Default, Eq, PartialEq)]
54pub struct Capabilities {
55    pub f64: bool,
56    pub input_event_buses: u16,
57    pub output_event_buses: u16,
58    pub editor: bool,
59    pub sysex: bool,
60    pub sample_accurate_parameters: bool,
61}
vst_audio_protocol/processing.rs

vst_audio_protocol/
processing.rs
