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Implement the CLAP event filter extension

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This commit is contained in:
Robbert van der Helm 2022-03-15 22:08:29 +01:00
parent b95c833352
commit f53f6829f0
1 changed files with 33 additions and 6 deletions
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39
src/wrapper/clap/wrapper.rs
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@ -6,10 +6,10 @@ use atomic_float::AtomicF32;
use atomic_refcell::{AtomicRefCell, AtomicRefMut};
use clap_sys::events::{
clap_event_header, clap_event_note, clap_event_param_gesture, clap_event_param_value,
clap_input_events, clap_output_events, CLAP_CORE_EVENT_SPACE_ID, CLAP_EVENT_IS_LIVE,
CLAP_EVENT_MIDI, CLAP_EVENT_NOTE_EXPRESSION, CLAP_EVENT_NOTE_OFF, CLAP_EVENT_NOTE_ON,
CLAP_EVENT_PARAM_GESTURE_BEGIN, CLAP_EVENT_PARAM_GESTURE_END, CLAP_EVENT_PARAM_VALUE,
CLAP_TRANSPORT_HAS_BEATS_TIMELINE, CLAP_TRANSPORT_HAS_SECONDS_TIMELINE,
clap_event_type, clap_input_events, clap_output_events, CLAP_CORE_EVENT_SPACE_ID,
CLAP_EVENT_IS_LIVE, CLAP_EVENT_MIDI, CLAP_EVENT_NOTE_EXPRESSION, CLAP_EVENT_NOTE_OFF,
CLAP_EVENT_NOTE_ON, CLAP_EVENT_PARAM_GESTURE_BEGIN, CLAP_EVENT_PARAM_GESTURE_END,
CLAP_EVENT_PARAM_VALUE, CLAP_TRANSPORT_HAS_BEATS_TIMELINE, CLAP_TRANSPORT_HAS_SECONDS_TIMELINE,
CLAP_TRANSPORT_HAS_TEMPO, CLAP_TRANSPORT_HAS_TIME_SIGNATURE, CLAP_TRANSPORT_IS_LOOP_ACTIVE,
CLAP_TRANSPORT_IS_PLAYING, CLAP_TRANSPORT_IS_RECORDING, CLAP_TRANSPORT_IS_WITHIN_PRE_ROLL,
};
@ -20,6 +20,7 @@ use clap_sys::ext::audio_ports::{
use clap_sys::ext::audio_ports_config::{
clap_audio_ports_config, clap_plugin_audio_ports_config, CLAP_EXT_AUDIO_PORTS_CONFIG,
};
use clap_sys::ext::event_filter::{clap_plugin_event_filter, CLAP_EXT_EVENT_FILTER};
use clap_sys::ext::gui::{
clap_plugin_gui, clap_window, CLAP_EXT_GUI, CLAP_WINDOW_API_COCOA, CLAP_WINDOW_API_WIN32,
CLAP_WINDOW_API_X11,
@ -148,6 +149,8 @@ pub struct Wrapper<P: ClapPlugin> {
clap_plugin_audio_ports: clap_plugin_audio_ports,
clap_plugin_event_filter: clap_plugin_event_filter,
clap_plugin_gui: clap_plugin_gui,
clap_plugin_latency: clap_plugin_latency,
@ -365,6 +368,10 @@ impl<P: ClapPlugin> Wrapper<P> {
get: Self::ext_audio_ports_get,
},
clap_plugin_event_filter: clap_plugin_event_filter {
accepts: Self::ext_event_filter_accepts,
},
clap_plugin_gui: clap_plugin_gui {
is_api_supported: Self::ext_gui_is_api_supported,
create: Self::ext_gui_create,
@ -754,7 +761,6 @@ impl<P: ClapPlugin> Wrapper<P> {
) -> bool {
let raw_event = &*event;
match (raw_event.space_id, raw_event.type_) {
// TODO: Implement the event filter
(CLAP_CORE_EVENT_SPACE_ID, CLAP_EVENT_PARAM_VALUE) => {
let event = &*(event as *const clap_event_param_value);
self.update_plain_value_by_hash(
@ -1166,12 +1172,14 @@ impl<P: ClapPlugin> Wrapper<P> {
let id = CStr::from_ptr(id);
// TODO: Implement:
// - event_filter
// - note ports
// - tail
if id == CStr::from_ptr(CLAP_EXT_AUDIO_PORTS_CONFIG) {
&wrapper.clap_plugin_audio_ports_config as *const _ as *const c_void
} else if id == CStr::from_ptr(CLAP_EXT_AUDIO_PORTS) {
&wrapper.clap_plugin_audio_ports as *const _ as *const c_void
} else if id == CStr::from_ptr(CLAP_EXT_EVENT_FILTER) {
&wrapper.clap_plugin_event_filter as *const _ as *const c_void
} else if id == CStr::from_ptr(CLAP_EXT_GUI) && wrapper.editor.is_some() {
// Only report that we support this extension if the plugin has an editor
&wrapper.clap_plugin_gui as *const _ as *const c_void
@ -1374,6 +1382,25 @@ impl<P: ClapPlugin> Wrapper<P> {
}
}
unsafe extern "C" fn ext_event_filter_accepts(
_plugin: *const clap_plugin,
space_id: u16,
event_type: clap_event_type,
) -> bool {
match (space_id, event_type) {
(CLAP_CORE_EVENT_SPACE_ID, CLAP_EVENT_PARAM_VALUE) => true,
(CLAP_CORE_EVENT_SPACE_ID, CLAP_EVENT_NOTE_ON)
| (CLAP_CORE_EVENT_SPACE_ID, CLAP_EVENT_NOTE_OFF)
| (CLAP_CORE_EVENT_SPACE_ID, CLAP_EVENT_NOTE_EXPRESSION)
| (CLAP_CORE_EVENT_SPACE_ID, CLAP_EVENT_MIDI)
if P::ACCEPTS_MIDI =>
{
true
}
_ => false,
}
}
unsafe extern "C" fn ext_gui_is_api_supported(
_plugin: *const clap_plugin,
api: *const c_char,