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Keep track of the processing status

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This commit is contained in:
Robbert van der Helm 2022-03-03 17:03:52 +01:00
parent de4921c033
commit 8f92669a47
1 changed files with 15 additions and 4 deletions
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19
src/wrapper/clap/wrapper.rs
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@ -81,6 +81,7 @@ pub struct Wrapper<P: ClapPlugin> {
/// this handle for its closing behavior. /// this handle for its closing behavior.
editor_handle: RwLock<Option<Box<dyn Any + Send + Sync>>>, editor_handle: RwLock<Option<Box<dyn Any + Send + Sync>>>,
is_processing: AtomicBool,
/// The current IO configuration, modified through the `clap_plugin_audio_ports_config` /// The current IO configuration, modified through the `clap_plugin_audio_ports_config`
/// extension. /// extension.
current_bus_config: AtomicCell<BusConfig>, current_bus_config: AtomicCell<BusConfig>,
@ -270,6 +271,7 @@ impl<P: ClapPlugin> Wrapper<P> {
editor, editor,
editor_handle: RwLock::new(None), editor_handle: RwLock::new(None),
is_processing: AtomicBool::new(false),
current_bus_config: AtomicCell::new(BusConfig { current_bus_config: AtomicCell::new(BusConfig {
num_input_channels: P::DEFAULT_NUM_INPUTS, num_input_channels: P::DEFAULT_NUM_INPUTS,
num_output_channels: P::DEFAULT_NUM_OUTPUTS, num_output_channels: P::DEFAULT_NUM_OUTPUTS,
@ -614,13 +616,22 @@ impl<P: ClapPlugin> Wrapper<P> {
// We currently don't do anything here // We currently don't do anything here
} }
unsafe extern "C" fn start_processing(_plugin: *const clap_plugin) -> bool { unsafe extern "C" fn start_processing(plugin: *const clap_plugin) -> bool {
// We currently don't do anything here // We just need to keep track of our processing state so we can request a flush when
// updating parameters from the GUI while the processing loop isn't running
check_null_ptr!(false, plugin);
let wrapper = &*(plugin as *const Self);
wrapper.is_processing.store(true, Ordering::SeqCst);
true true
} }
unsafe extern "C" fn stop_processing(_plugin: *const clap_plugin) { unsafe extern "C" fn stop_processing(plugin: *const clap_plugin) {
// We currently don't do anything here check_null_ptr!((), plugin);
let wrapper = &*(plugin as *const Self);
wrapper.is_processing.store(false, Ordering::SeqCst);
} }
unsafe extern "C" fn process( unsafe extern "C" fn process(