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Fully implement the CLAP params extension

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This commit is contained in:
Robbert van der Helm
2022-09-23 20:51:44 +02:00
parent 5732b45769
commit 0f58f3409b
12 changed files with 362 additions and 11 deletions
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src/wine-host/bridges/clap.cpp
+91 -2
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@@ -30,7 +30,9 @@ 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))),
note_ports(static_cast<const clap_plugin_note_ports_t*>(
plugin.get_extension(&plugin, CLAP_EXT_NOTE_PORTS))) {}
plugin.get_extension(&plugin, CLAP_EXT_NOTE_PORTS))),
params(static_cast<const clap_plugin_params_t*>(
plugin.get_extension(&plugin, CLAP_EXT_PARAMS))) {}
ClapPluginExtensions::ClapPluginExtensions() noexcept {}
@@ -38,7 +40,8 @@ clap::plugin::SupportedPluginExtensions ClapPluginExtensions::supported()
const noexcept {
return clap::plugin::SupportedPluginExtensions{
.supports_audio_ports = audio_ports != nullptr,
.supports_note_ports = note_ports != nullptr};
.supports_note_ports = note_ports != nullptr,
.supports_params = params != nullptr};
}
ClapPluginInstance::ClapPluginInstance(
@@ -362,6 +365,81 @@ void ClapBridge::run() {
.result = std::nullopt};
}
},
[&](const clap::ext::params::plugin::Count& request)
-> clap::ext::params::plugin::Count::Response {
const auto& [instance, _] = get_instance(request.instance_id);
// We'll ignore the main thread requirement for simple array
// lookups to avoid the synchronisation costs in code code paths
return instance.extensions.params->count(instance.plugin.get());
},
[&](const clap::ext::params::plugin::GetInfo& request)
-> clap::ext::params::plugin::GetInfo::Response {
const auto& [instance, _] = get_instance(request.instance_id);
// We'll ignore the main thread requirement for simple array
// lookups to avoid the synchronisation costs in code code paths
clap_param_info_t param_info{};
if (instance.extensions.params->get_info(instance.plugin.get(),
request.param_index,
&param_info)) {
return clap::ext::params::plugin::GetInfoResponse{
.result = param_info};
} else {
return clap::ext::params::plugin::GetInfoResponse{
.result = std::nullopt};
}
},
[&](const clap::ext::params::plugin::GetValue& request)
-> clap::ext::params::plugin::GetValue::Response {
const auto& [instance, _] = get_instance(request.instance_id);
// We'll ignore the main thread requirement for simple array
// lookups to avoid the synchronisation costs in code code paths
double value;
if (instance.extensions.params->get_value(
instance.plugin.get(), request.param_id, &value)) {
return clap::ext::params::plugin::GetValueResponse{
.result = value};
} else {
return clap::ext::params::plugin::GetValueResponse{
.result = std::nullopt};
}
},
[&](const clap::ext::params::plugin::ValueToText& request)
-> clap::ext::params::plugin::ValueToText::Response {
const auto& [instance, _] = get_instance(request.instance_id);
// We'll ignore the main thread requirement for simple array
// lookups to avoid the synchronisation costs in code code paths
std::array<char, 1024> display{0};
if (instance.extensions.params->value_to_text(
instance.plugin.get(), request.param_id, request.value,
display.data(), display.size())) {
return clap::ext::params::plugin::ValueToTextResponse{
.result = display.data()};
} else {
return clap::ext::params::plugin::ValueToTextResponse{
.result = std::nullopt};
}
},
[&](const clap::ext::params::plugin::TextToValue& request)
-> clap::ext::params::plugin::TextToValue::Response {
const auto& [instance, _] = get_instance(request.instance_id);
// We'll ignore the main thread requirement for simple array
// lookups to avoid the synchronisation costs in code code paths
double value;
if (instance.extensions.params->text_to_value(
instance.plugin.get(), request.param_id,
request.display.c_str(), &value)) {
return clap::ext::params::plugin::TextToValueResponse{
.result = value};
} else {
return clap::ext::params::plugin::TextToValueResponse{
.result = std::nullopt};
}
},
});
}
@@ -570,6 +648,17 @@ void ClapBridge::register_plugin_instance(
return Ack{};
},
[&](const clap::ext::params::plugin::Flush& request)
-> clap::ext::params::plugin::Flush::Response {
const auto& [instance, _] =
get_instance(request.instance_id);
// TODO: Implement this
// instance.extensions.params->flush(instance.plugin.get(),
// in, out);
return clap::ext::params::plugin::FlushResponse{};
},
});
});