Implement the CLAP latency extension

This commit is contained in:
Robbert van der Helm
2022-09-26 18:26:42 +02:00
parent 3e0cd725a3
commit c7ea37309d
16 changed files with 171 additions and 5 deletions
+11
View File
@@ -29,6 +29,8 @@ namespace fs = ghc::filesystem;
ClapPluginExtensions::ClapPluginExtensions(const clap_plugin& plugin) noexcept
: audio_ports(static_cast<const clap_plugin_audio_ports_t*>(
plugin.get_extension(&plugin, CLAP_EXT_AUDIO_PORTS))),
latency(static_cast<const clap_plugin_latency_t*>(
plugin.get_extension(&plugin, CLAP_EXT_LATENCY))),
note_ports(static_cast<const clap_plugin_note_ports_t*>(
plugin.get_extension(&plugin, CLAP_EXT_NOTE_PORTS))),
params(static_cast<const clap_plugin_params_t*>(
@@ -42,6 +44,7 @@ clap::plugin::SupportedPluginExtensions ClapPluginExtensions::supported()
const noexcept {
return clap::plugin::SupportedPluginExtensions{
.supports_audio_ports = audio_ports != nullptr,
.supports_latency = latency != nullptr,
.supports_note_ports = note_ports != nullptr,
.supports_params = params != nullptr,
.supports_tail = tail != nullptr};
@@ -342,6 +345,14 @@ void ClapBridge::run() {
.result = std::nullopt};
}
},
[&](clap::ext::latency::plugin::Get& request)
-> clap::ext::latency::plugin::Get::Response {
const auto& [instance, _] = get_instance(request.instance_id);
// We'll ignore the main thread requirement for simple lookups
// to avoid the synchronisation costs in hot code paths
return instance.extensions.latency->get(instance.plugin.get());
},
[&](const clap::ext::note_ports::plugin::Count& request)
-> clap::ext::note_ports::plugin::Count::Response {
const auto& [instance, _] = get_instance(request.instance_id);