diff --git a/sys/src/linux/mod.rs b/sys/src/linux/mod.rs
index d2d0f80a..fc529022 100644
--- a/sys/src/linux/mod.rs
+++ b/sys/src/linux/mod.rs
@@ -2,5 +2,6 @@
#[cfg_attr(target_arch = "x86_64", path = "x86_64.rs")]
#[cfg_attr(target_arch = "arm", path = "arm.rs")]
#[cfg_attr(target_arch = "aarch64", path = "aarch64.rs")]
+#[cfg_attr(target_arch = "riscv64", path = "riscv64.rs")]
mod unsupported;
pub use unsupported::*;
diff --git a/sys/src/linux/riscv64.rs b/sys/src/linux/riscv64.rs
new file mode 100644
index 00000000..651b04f9
--- /dev/null
+++ b/sys/src/linux/riscv64.rs
@@ -0,0 +1,2730 @@
+/* automatically generated by rust-bindgen */
+
+pub const LV2_ATOM_URI: &'static [u8; 30usize] = b"http://lv2plug.in/ns/ext/atom\0";
+pub const LV2_ATOM_PREFIX: &'static [u8; 31usize] = b"http://lv2plug.in/ns/ext/atom#\0";
+pub const LV2_ATOM__Atom: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/atom#Atom\0";
+pub const LV2_ATOM__AtomPort: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/atom#AtomPort\0";
+pub const LV2_ATOM__Blank: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/atom#Blank\0";
+pub const LV2_ATOM__Bool: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/atom#Bool\0";
+pub const LV2_ATOM__Chunk: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/atom#Chunk\0";
+pub const LV2_ATOM__Double: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/atom#Double\0";
+pub const LV2_ATOM__Event: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/atom#Event\0";
+pub const LV2_ATOM__Float: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/atom#Float\0";
+pub const LV2_ATOM__Int: &'static [u8; 34usize] = b"http://lv2plug.in/ns/ext/atom#Int\0";
+pub const LV2_ATOM__Literal: &'static [u8; 38usize] = b"http://lv2plug.in/ns/ext/atom#Literal\0";
+pub const LV2_ATOM__Long: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/atom#Long\0";
+pub const LV2_ATOM__Number: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/atom#Number\0";
+pub const LV2_ATOM__Object: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/atom#Object\0";
+pub const LV2_ATOM__Path: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/atom#Path\0";
+pub const LV2_ATOM__Property: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/atom#Property\0";
+pub const LV2_ATOM__Resource: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/atom#Resource\0";
+pub const LV2_ATOM__Sequence: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/atom#Sequence\0";
+pub const LV2_ATOM__Sound: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/atom#Sound\0";
+pub const LV2_ATOM__String: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/atom#String\0";
+pub const LV2_ATOM__Tuple: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/atom#Tuple\0";
+pub const LV2_ATOM__URI: &'static [u8; 34usize] = b"http://lv2plug.in/ns/ext/atom#URI\0";
+pub const LV2_ATOM__URID: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/atom#URID\0";
+pub const LV2_ATOM__Vector: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/atom#Vector\0";
+pub const LV2_ATOM__atomTransfer: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/ext/atom#atomTransfer\0";
+pub const LV2_ATOM__beatTime: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/atom#beatTime\0";
+pub const LV2_ATOM__bufferType: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/atom#bufferType\0";
+pub const LV2_ATOM__childType: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/ext/atom#childType\0";
+pub const LV2_ATOM__eventTransfer: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/ext/atom#eventTransfer\0";
+pub const LV2_ATOM__frameTime: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/ext/atom#frameTime\0";
+pub const LV2_ATOM__supports: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/atom#supports\0";
+pub const LV2_ATOM__timeUnit: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/atom#timeUnit\0";
+pub const LV2_ATOM_REFERENCE_TYPE: u32 = 0;
+pub const LV2_URID_URI: &'static [u8; 30usize] = b"http://lv2plug.in/ns/ext/urid\0";
+pub const LV2_URID_PREFIX: &'static [u8; 31usize] = b"http://lv2plug.in/ns/ext/urid#\0";
+pub const LV2_URID__map: &'static [u8; 34usize] = b"http://lv2plug.in/ns/ext/urid#map\0";
+pub const LV2_URID__unmap: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/urid#unmap\0";
+pub const LV2_URID_MAP_URI: &'static [u8; 34usize] = b"http://lv2plug.in/ns/ext/urid#map\0";
+pub const LV2_URID_UNMAP_URI: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/urid#unmap\0";
+pub const LV2_BUF_SIZE_URI: &'static [u8; 34usize] = b"http://lv2plug.in/ns/ext/buf-size\0";
+pub const LV2_BUF_SIZE_PREFIX: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/buf-size#\0";
+pub const LV2_BUF_SIZE__boundedBlockLength: &'static [u8; 53usize] =
+ b"http://lv2plug.in/ns/ext/buf-size#boundedBlockLength\0";
+pub const LV2_BUF_SIZE__fixedBlockLength: &'static [u8; 51usize] =
+ b"http://lv2plug.in/ns/ext/buf-size#fixedBlockLength\0";
+pub const LV2_BUF_SIZE__maxBlockLength: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/ext/buf-size#maxBlockLength\0";
+pub const LV2_BUF_SIZE__minBlockLength: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/ext/buf-size#minBlockLength\0";
+pub const LV2_BUF_SIZE__nominalBlockLength: &'static [u8; 53usize] =
+ b"http://lv2plug.in/ns/ext/buf-size#nominalBlockLength\0";
+pub const LV2_BUF_SIZE__powerOf2BlockLength: &'static [u8; 54usize] =
+ b"http://lv2plug.in/ns/ext/buf-size#powerOf2BlockLength\0";
+pub const LV2_BUF_SIZE__sequenceSize: &'static [u8; 47usize] =
+ b"http://lv2plug.in/ns/ext/buf-size#sequenceSize\0";
+pub const LV2_CORE_URI: &'static [u8; 29usize] = b"http://lv2plug.in/ns/lv2core\0";
+pub const LV2_CORE_PREFIX: &'static [u8; 30usize] = b"http://lv2plug.in/ns/lv2core#\0";
+pub const LV2_CORE__AllpassPlugin: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/lv2core#AllpassPlugin\0";
+pub const LV2_CORE__AmplifierPlugin: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/lv2core#AmplifierPlugin\0";
+pub const LV2_CORE__AnalyserPlugin: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/lv2core#AnalyserPlugin\0";
+pub const LV2_CORE__AudioPort: &'static [u8; 39usize] = b"http://lv2plug.in/ns/lv2core#AudioPort\0";
+pub const LV2_CORE__BandpassPlugin: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/lv2core#BandpassPlugin\0";
+pub const LV2_CORE__CVPort: &'static [u8; 36usize] = b"http://lv2plug.in/ns/lv2core#CVPort\0";
+pub const LV2_CORE__ChorusPlugin: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/lv2core#ChorusPlugin\0";
+pub const LV2_CORE__CombPlugin: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/lv2core#CombPlugin\0";
+pub const LV2_CORE__CompressorPlugin: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/lv2core#CompressorPlugin\0";
+pub const LV2_CORE__ConstantPlugin: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/lv2core#ConstantPlugin\0";
+pub const LV2_CORE__ControlPort: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/lv2core#ControlPort\0";
+pub const LV2_CORE__ConverterPlugin: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/lv2core#ConverterPlugin\0";
+pub const LV2_CORE__DelayPlugin: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/lv2core#DelayPlugin\0";
+pub const LV2_CORE__DistortionPlugin: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/lv2core#DistortionPlugin\0";
+pub const LV2_CORE__DynamicsPlugin: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/lv2core#DynamicsPlugin\0";
+pub const LV2_CORE__EQPlugin: &'static [u8; 38usize] = b"http://lv2plug.in/ns/lv2core#EQPlugin\0";
+pub const LV2_CORE__EnvelopePlugin: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/lv2core#EnvelopePlugin\0";
+pub const LV2_CORE__ExpanderPlugin: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/lv2core#ExpanderPlugin\0";
+pub const LV2_CORE__ExtensionData: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/lv2core#ExtensionData\0";
+pub const LV2_CORE__Feature: &'static [u8; 37usize] = b"http://lv2plug.in/ns/lv2core#Feature\0";
+pub const LV2_CORE__FilterPlugin: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/lv2core#FilterPlugin\0";
+pub const LV2_CORE__FlangerPlugin: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/lv2core#FlangerPlugin\0";
+pub const LV2_CORE__FunctionPlugin: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/lv2core#FunctionPlugin\0";
+pub const LV2_CORE__GatePlugin: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/lv2core#GatePlugin\0";
+pub const LV2_CORE__GeneratorPlugin: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/lv2core#GeneratorPlugin\0";
+pub const LV2_CORE__HighpassPlugin: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/lv2core#HighpassPlugin\0";
+pub const LV2_CORE__InputPort: &'static [u8; 39usize] = b"http://lv2plug.in/ns/lv2core#InputPort\0";
+pub const LV2_CORE__InstrumentPlugin: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/lv2core#InstrumentPlugin\0";
+pub const LV2_CORE__LimiterPlugin: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/lv2core#LimiterPlugin\0";
+pub const LV2_CORE__LowpassPlugin: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/lv2core#LowpassPlugin\0";
+pub const LV2_CORE__MixerPlugin: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/lv2core#MixerPlugin\0";
+pub const LV2_CORE__ModulatorPlugin: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/lv2core#ModulatorPlugin\0";
+pub const LV2_CORE__MultiEQPlugin: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/lv2core#MultiEQPlugin\0";
+pub const LV2_CORE__OscillatorPlugin: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/lv2core#OscillatorPlugin\0";
+pub const LV2_CORE__OutputPort: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/lv2core#OutputPort\0";
+pub const LV2_CORE__ParaEQPlugin: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/lv2core#ParaEQPlugin\0";
+pub const LV2_CORE__PhaserPlugin: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/lv2core#PhaserPlugin\0";
+pub const LV2_CORE__PitchPlugin: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/lv2core#PitchPlugin\0";
+pub const LV2_CORE__Plugin: &'static [u8; 36usize] = b"http://lv2plug.in/ns/lv2core#Plugin\0";
+pub const LV2_CORE__PluginBase: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/lv2core#PluginBase\0";
+pub const LV2_CORE__Point: &'static [u8; 35usize] = b"http://lv2plug.in/ns/lv2core#Point\0";
+pub const LV2_CORE__Port: &'static [u8; 34usize] = b"http://lv2plug.in/ns/lv2core#Port\0";
+pub const LV2_CORE__PortProperty: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/lv2core#PortProperty\0";
+pub const LV2_CORE__Resource: &'static [u8; 38usize] = b"http://lv2plug.in/ns/lv2core#Resource\0";
+pub const LV2_CORE__ReverbPlugin: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/lv2core#ReverbPlugin\0";
+pub const LV2_CORE__ScalePoint: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/lv2core#ScalePoint\0";
+pub const LV2_CORE__SimulatorPlugin: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/lv2core#SimulatorPlugin\0";
+pub const LV2_CORE__SpatialPlugin: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/lv2core#SpatialPlugin\0";
+pub const LV2_CORE__Specification: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/lv2core#Specification\0";
+pub const LV2_CORE__SpectralPlugin: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/lv2core#SpectralPlugin\0";
+pub const LV2_CORE__UtilityPlugin: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/lv2core#UtilityPlugin\0";
+pub const LV2_CORE__WaveshaperPlugin: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/lv2core#WaveshaperPlugin\0";
+pub const LV2_CORE__appliesTo: &'static [u8; 39usize] = b"http://lv2plug.in/ns/lv2core#appliesTo\0";
+pub const LV2_CORE__binary: &'static [u8; 36usize] = b"http://lv2plug.in/ns/lv2core#binary\0";
+pub const LV2_CORE__connectionOptional: &'static [u8; 48usize] =
+ b"http://lv2plug.in/ns/lv2core#connectionOptional\0";
+pub const LV2_CORE__control: &'static [u8; 37usize] = b"http://lv2plug.in/ns/lv2core#control\0";
+pub const LV2_CORE__default: &'static [u8; 37usize] = b"http://lv2plug.in/ns/lv2core#default\0";
+pub const LV2_CORE__designation: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/lv2core#designation\0";
+pub const LV2_CORE__documentation: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/lv2core#documentation\0";
+pub const LV2_CORE__enumeration: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/lv2core#enumeration\0";
+pub const LV2_CORE__extensionData: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/lv2core#extensionData\0";
+pub const LV2_CORE__freeWheeling: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/lv2core#freeWheeling\0";
+pub const LV2_CORE__hardRTCapable: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/lv2core#hardRTCapable\0";
+pub const LV2_CORE__inPlaceBroken: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/lv2core#inPlaceBroken\0";
+pub const LV2_CORE__index: &'static [u8; 35usize] = b"http://lv2plug.in/ns/lv2core#index\0";
+pub const LV2_CORE__integer: &'static [u8; 37usize] = b"http://lv2plug.in/ns/lv2core#integer\0";
+pub const LV2_CORE__isLive: &'static [u8; 36usize] = b"http://lv2plug.in/ns/lv2core#isLive\0";
+pub const LV2_CORE__latency: &'static [u8; 37usize] = b"http://lv2plug.in/ns/lv2core#latency\0";
+pub const LV2_CORE__maximum: &'static [u8; 37usize] = b"http://lv2plug.in/ns/lv2core#maximum\0";
+pub const LV2_CORE__microVersion: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/lv2core#microVersion\0";
+pub const LV2_CORE__minimum: &'static [u8; 37usize] = b"http://lv2plug.in/ns/lv2core#minimum\0";
+pub const LV2_CORE__minorVersion: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/lv2core#minorVersion\0";
+pub const LV2_CORE__name: &'static [u8; 34usize] = b"http://lv2plug.in/ns/lv2core#name\0";
+pub const LV2_CORE__optionalFeature: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/lv2core#optionalFeature\0";
+pub const LV2_CORE__port: &'static [u8; 34usize] = b"http://lv2plug.in/ns/lv2core#port\0";
+pub const LV2_CORE__portProperty: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/lv2core#portProperty\0";
+pub const LV2_CORE__project: &'static [u8; 37usize] = b"http://lv2plug.in/ns/lv2core#project\0";
+pub const LV2_CORE__prototype: &'static [u8; 39usize] = b"http://lv2plug.in/ns/lv2core#prototype\0";
+pub const LV2_CORE__reportsLatency: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/lv2core#reportsLatency\0";
+pub const LV2_CORE__requiredFeature: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/lv2core#requiredFeature\0";
+pub const LV2_CORE__sampleRate: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/lv2core#sampleRate\0";
+pub const LV2_CORE__scalePoint: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/lv2core#scalePoint\0";
+pub const LV2_CORE__symbol: &'static [u8; 36usize] = b"http://lv2plug.in/ns/lv2core#symbol\0";
+pub const LV2_CORE__toggled: &'static [u8; 37usize] = b"http://lv2plug.in/ns/lv2core#toggled\0";
+pub const LV2_DATA_ACCESS_URI: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/data-access\0";
+pub const LV2_DATA_ACCESS_PREFIX: &'static [u8; 38usize] =
+ b"http://lv2plug.in/ns/ext/data-access#\0";
+pub const LV2_DYN_MANIFEST_URI: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/dynmanifest\0";
+pub const LV2_DYN_MANIFEST_PREFIX: &'static [u8; 38usize] =
+ b"http://lv2plug.in/ns/ext/dynmanifest#\0";
+pub const LV2_EVENT_URI: &'static [u8; 31usize] = b"http://lv2plug.in/ns/ext/event\0";
+pub const LV2_EVENT_PREFIX: &'static [u8; 32usize] = b"http://lv2plug.in/ns/ext/event#\0";
+pub const LV2_EVENT__Event: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/event#Event\0";
+pub const LV2_EVENT__EventPort: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/event#EventPort\0";
+pub const LV2_EVENT__FrameStamp: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/ext/event#FrameStamp\0";
+pub const LV2_EVENT__TimeStamp: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/event#TimeStamp\0";
+pub const LV2_EVENT__generatesTimeStamp: &'static [u8; 50usize] =
+ b"http://lv2plug.in/ns/ext/event#generatesTimeStamp\0";
+pub const LV2_EVENT__generic: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/event#generic\0";
+pub const LV2_EVENT__inheritsEvent: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/ext/event#inheritsEvent\0";
+pub const LV2_EVENT__inheritsTimeStamp: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/ext/event#inheritsTimeStamp\0";
+pub const LV2_EVENT__supportsEvent: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/ext/event#supportsEvent\0";
+pub const LV2_EVENT__supportsTimeStamp: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/ext/event#supportsTimeStamp\0";
+pub const LV2_EVENT_AUDIO_STAMP: u32 = 0;
+pub const LV2_INSTANCE_ACCESS_URI: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/instance-access\0";
+pub const LV2_LOG_URI: &'static [u8; 29usize] = b"http://lv2plug.in/ns/ext/log\0";
+pub const LV2_LOG_PREFIX: &'static [u8; 30usize] = b"http://lv2plug.in/ns/ext/log#\0";
+pub const LV2_LOG__Entry: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/log#Entry\0";
+pub const LV2_LOG__Error: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/log#Error\0";
+pub const LV2_LOG__Note: &'static [u8; 34usize] = b"http://lv2plug.in/ns/ext/log#Note\0";
+pub const LV2_LOG__Trace: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/log#Trace\0";
+pub const LV2_LOG__Warning: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/log#Warning\0";
+pub const LV2_LOG__log: &'static [u8; 33usize] = b"http://lv2plug.in/ns/ext/log#log\0";
+pub const LV2_MIDI_URI: &'static [u8; 30usize] = b"http://lv2plug.in/ns/ext/midi\0";
+pub const LV2_MIDI_PREFIX: &'static [u8; 31usize] = b"http://lv2plug.in/ns/ext/midi#\0";
+pub const LV2_MIDI__ActiveSense: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/ext/midi#ActiveSense\0";
+pub const LV2_MIDI__Aftertouch: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/midi#Aftertouch\0";
+pub const LV2_MIDI__Bender: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/midi#Bender\0";
+pub const LV2_MIDI__ChannelPressure: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/ext/midi#ChannelPressure\0";
+pub const LV2_MIDI__Chunk: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/midi#Chunk\0";
+pub const LV2_MIDI__Clock: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/midi#Clock\0";
+pub const LV2_MIDI__Continue: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/midi#Continue\0";
+pub const LV2_MIDI__Controller: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/midi#Controller\0";
+pub const LV2_MIDI__MidiEvent: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/ext/midi#MidiEvent\0";
+pub const LV2_MIDI__NoteOff: &'static [u8; 38usize] = b"http://lv2plug.in/ns/ext/midi#NoteOff\0";
+pub const LV2_MIDI__NoteOn: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/midi#NoteOn\0";
+pub const LV2_MIDI__ProgramChange: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/ext/midi#ProgramChange\0";
+pub const LV2_MIDI__QuarterFrame: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/ext/midi#QuarterFrame\0";
+pub const LV2_MIDI__Reset: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/midi#Reset\0";
+pub const LV2_MIDI__SongPosition: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/ext/midi#SongPosition\0";
+pub const LV2_MIDI__SongSelect: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/midi#SongSelect\0";
+pub const LV2_MIDI__Start: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/midi#Start\0";
+pub const LV2_MIDI__Stop: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/midi#Stop\0";
+pub const LV2_MIDI__SystemCommon: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/ext/midi#SystemCommon\0";
+pub const LV2_MIDI__SystemExclusive: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/ext/midi#SystemExclusive\0";
+pub const LV2_MIDI__SystemMessage: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/ext/midi#SystemMessage\0";
+pub const LV2_MIDI__SystemRealtime: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/ext/midi#SystemRealtime\0";
+pub const LV2_MIDI__Tick: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/midi#Tick\0";
+pub const LV2_MIDI__TuneRequest: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/ext/midi#TuneRequest\0";
+pub const LV2_MIDI__VoiceMessage: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/ext/midi#VoiceMessage\0";
+pub const LV2_MIDI__benderValue: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/ext/midi#benderValue\0";
+pub const LV2_MIDI__binding: &'static [u8; 38usize] = b"http://lv2plug.in/ns/ext/midi#binding\0";
+pub const LV2_MIDI__byteNumber: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/midi#byteNumber\0";
+pub const LV2_MIDI__channel: &'static [u8; 38usize] = b"http://lv2plug.in/ns/ext/midi#channel\0";
+pub const LV2_MIDI__chunk: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/midi#chunk\0";
+pub const LV2_MIDI__controllerNumber: &'static [u8; 47usize] =
+ b"http://lv2plug.in/ns/ext/midi#controllerNumber\0";
+pub const LV2_MIDI__controllerValue: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/ext/midi#controllerValue\0";
+pub const LV2_MIDI__noteNumber: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/midi#noteNumber\0";
+pub const LV2_MIDI__pressure: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/midi#pressure\0";
+pub const LV2_MIDI__programNumber: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/ext/midi#programNumber\0";
+pub const LV2_MIDI__property: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/midi#property\0";
+pub const LV2_MIDI__songNumber: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/midi#songNumber\0";
+pub const LV2_MIDI__songPosition: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/ext/midi#songPosition\0";
+pub const LV2_MIDI__status: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/midi#status\0";
+pub const LV2_MIDI__statusMask: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/midi#statusMask\0";
+pub const LV2_MIDI__velocity: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/midi#velocity\0";
+pub const LV2_MORPH_URI: &'static [u8; 31usize] = b"http://lv2plug.in/ns/ext/morph\0";
+pub const LV2_MORPH_PREFIX: &'static [u8; 32usize] = b"http://lv2plug.in/ns/ext/morph#\0";
+pub const LV2_MORPH__AutoMorphPort: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/ext/morph#AutoMorphPort\0";
+pub const LV2_MORPH__MorphPort: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/morph#MorphPort\0";
+pub const LV2_MORPH__interface: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/morph#interface\0";
+pub const LV2_MORPH__supportsType: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/ext/morph#supportsType\0";
+pub const LV2_MORPH__currentType: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/ext/morph#currentType\0";
+pub const LV2_OPTIONS_URI: &'static [u8; 33usize] = b"http://lv2plug.in/ns/ext/options\0";
+pub const LV2_OPTIONS_PREFIX: &'static [u8; 34usize] = b"http://lv2plug.in/ns/ext/options#\0";
+pub const LV2_OPTIONS__Option: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/ext/options#Option\0";
+pub const LV2_OPTIONS__interface: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/ext/options#interface\0";
+pub const LV2_OPTIONS__options: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/options#options\0";
+pub const LV2_OPTIONS__requiredOption: &'static [u8; 48usize] =
+ b"http://lv2plug.in/ns/ext/options#requiredOption\0";
+pub const LV2_OPTIONS__supportedOption: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/ext/options#supportedOption\0";
+pub const LV2_PARAMETERS_URI: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/parameters\0";
+pub const LV2_PARAMETERS_PREFIX: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/parameters#\0";
+pub const LV2_PARAMETERS__CompressorControls: &'static [u8; 55usize] =
+ b"http://lv2plug.in/ns/ext/parameters#CompressorControls\0";
+pub const LV2_PARAMETERS__ControlGroup: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/ext/parameters#ControlGroup\0";
+pub const LV2_PARAMETERS__EnvelopeControls: &'static [u8; 53usize] =
+ b"http://lv2plug.in/ns/ext/parameters#EnvelopeControls\0";
+pub const LV2_PARAMETERS__FilterControls: &'static [u8; 51usize] =
+ b"http://lv2plug.in/ns/ext/parameters#FilterControls\0";
+pub const LV2_PARAMETERS__OscillatorControls: &'static [u8; 55usize] =
+ b"http://lv2plug.in/ns/ext/parameters#OscillatorControls\0";
+pub const LV2_PARAMETERS__amplitude: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/ext/parameters#amplitude\0";
+pub const LV2_PARAMETERS__attack: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/ext/parameters#attack\0";
+pub const LV2_PARAMETERS__bypass: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/ext/parameters#bypass\0";
+pub const LV2_PARAMETERS__cutoffFrequency: &'static [u8; 52usize] =
+ b"http://lv2plug.in/ns/ext/parameters#cutoffFrequency\0";
+pub const LV2_PARAMETERS__decay: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/ext/parameters#decay\0";
+pub const LV2_PARAMETERS__delay: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/ext/parameters#delay\0";
+pub const LV2_PARAMETERS__dryLevel: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/ext/parameters#dryLevel\0";
+pub const LV2_PARAMETERS__frequency: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/ext/parameters#frequency\0";
+pub const LV2_PARAMETERS__gain: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/parameters#gain\0";
+pub const LV2_PARAMETERS__hold: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/parameters#hold\0";
+pub const LV2_PARAMETERS__pulseWidth: &'static [u8; 47usize] =
+ b"http://lv2plug.in/ns/ext/parameters#pulseWidth\0";
+pub const LV2_PARAMETERS__ratio: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/ext/parameters#ratio\0";
+pub const LV2_PARAMETERS__release: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/ext/parameters#release\0";
+pub const LV2_PARAMETERS__resonance: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/ext/parameters#resonance\0";
+pub const LV2_PARAMETERS__sampleRate: &'static [u8; 47usize] =
+ b"http://lv2plug.in/ns/ext/parameters#sampleRate\0";
+pub const LV2_PARAMETERS__sustain: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/ext/parameters#sustain\0";
+pub const LV2_PARAMETERS__threshold: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/ext/parameters#threshold\0";
+pub const LV2_PARAMETERS__waveform: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/ext/parameters#waveform\0";
+pub const LV2_PARAMETERS__wetDryRatio: &'static [u8; 48usize] =
+ b"http://lv2plug.in/ns/ext/parameters#wetDryRatio\0";
+pub const LV2_PARAMETERS__wetLevel: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/ext/parameters#wetLevel\0";
+pub const LV2_PATCH_URI: &'static [u8; 31usize] = b"http://lv2plug.in/ns/ext/patch\0";
+pub const LV2_PATCH_PREFIX: &'static [u8; 32usize] = b"http://lv2plug.in/ns/ext/patch#\0";
+pub const LV2_PATCH__Ack: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/patch#Ack\0";
+pub const LV2_PATCH__Delete: &'static [u8; 38usize] = b"http://lv2plug.in/ns/ext/patch#Delete\0";
+pub const LV2_PATCH__Copy: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/patch#Copy\0";
+pub const LV2_PATCH__Error: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/patch#Error\0";
+pub const LV2_PATCH__Get: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/patch#Get\0";
+pub const LV2_PATCH__Message: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/patch#Message\0";
+pub const LV2_PATCH__Move: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/patch#Move\0";
+pub const LV2_PATCH__Patch: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/patch#Patch\0";
+pub const LV2_PATCH__Post: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/patch#Post\0";
+pub const LV2_PATCH__Put: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/patch#Put\0";
+pub const LV2_PATCH__Request: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/patch#Request\0";
+pub const LV2_PATCH__Response: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/ext/patch#Response\0";
+pub const LV2_PATCH__Set: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/patch#Set\0";
+pub const LV2_PATCH__accept: &'static [u8; 38usize] = b"http://lv2plug.in/ns/ext/patch#accept\0";
+pub const LV2_PATCH__add: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/patch#add\0";
+pub const LV2_PATCH__body: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/patch#body\0";
+pub const LV2_PATCH__context: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/patch#context\0";
+pub const LV2_PATCH__destination: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/ext/patch#destination\0";
+pub const LV2_PATCH__property: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/ext/patch#property\0";
+pub const LV2_PATCH__readable: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/ext/patch#readable\0";
+pub const LV2_PATCH__remove: &'static [u8; 38usize] = b"http://lv2plug.in/ns/ext/patch#remove\0";
+pub const LV2_PATCH__request: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/patch#request\0";
+pub const LV2_PATCH__subject: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/patch#subject\0";
+pub const LV2_PATCH__sequenceNumber: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/ext/patch#sequenceNumber\0";
+pub const LV2_PATCH__value: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/patch#value\0";
+pub const LV2_PATCH__wildcard: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/ext/patch#wildcard\0";
+pub const LV2_PATCH__writable: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/ext/patch#writable\0";
+pub const LV2_PORT_GROUPS_URI: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/port-groups\0";
+pub const LV2_PORT_GROUPS_PREFIX: &'static [u8; 38usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#\0";
+pub const LV2_PORT_GROUPS__DiscreteGroup: &'static [u8; 51usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#DiscreteGroup\0";
+pub const LV2_PORT_GROUPS__Element: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#Element\0";
+pub const LV2_PORT_GROUPS__FivePointOneGroup: &'static [u8; 55usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#FivePointOneGroup\0";
+pub const LV2_PORT_GROUPS__FivePointZeroGroup: &'static [u8; 56usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#FivePointZeroGroup\0";
+pub const LV2_PORT_GROUPS__FourPointZeroGroup: &'static [u8; 56usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#FourPointZeroGroup\0";
+pub const LV2_PORT_GROUPS__Group: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#Group\0";
+pub const LV2_PORT_GROUPS__InputGroup: &'static [u8; 48usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#InputGroup\0";
+pub const LV2_PORT_GROUPS__MidSideGroup: &'static [u8; 50usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#MidSideGroup\0";
+pub const LV2_PORT_GROUPS__MonoGroup: &'static [u8; 47usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#MonoGroup\0";
+pub const LV2_PORT_GROUPS__OutputGroup: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#OutputGroup\0";
+pub const LV2_PORT_GROUPS__SevenPointOneGroup: &'static [u8; 56usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#SevenPointOneGroup\0";
+pub const LV2_PORT_GROUPS__SevenPointOneWideGroup: &'static [u8; 60usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#SevenPointOneWideGroup\0";
+pub const LV2_PORT_GROUPS__SixPointOneGroup: &'static [u8; 54usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#SixPointOneGroup\0";
+pub const LV2_PORT_GROUPS__StereoGroup: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#StereoGroup\0";
+pub const LV2_PORT_GROUPS__ThreePointZeroGroup: &'static [u8; 57usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#ThreePointZeroGroup\0";
+pub const LV2_PORT_GROUPS__center: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#center\0";
+pub const LV2_PORT_GROUPS__centerLeft: &'static [u8; 48usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#centerLeft\0";
+pub const LV2_PORT_GROUPS__centerRight: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#centerRight\0";
+pub const LV2_PORT_GROUPS__element: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#element\0";
+pub const LV2_PORT_GROUPS__group: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#group\0";
+pub const LV2_PORT_GROUPS__left: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#left\0";
+pub const LV2_PORT_GROUPS__lowFrequencyEffects: &'static [u8; 57usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#lowFrequencyEffects\0";
+pub const LV2_PORT_GROUPS__mainInput: &'static [u8; 47usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#mainInput\0";
+pub const LV2_PORT_GROUPS__mainOutput: &'static [u8; 48usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#mainOutput\0";
+pub const LV2_PORT_GROUPS__rearCenter: &'static [u8; 48usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#rearCenter\0";
+pub const LV2_PORT_GROUPS__rearLeft: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#rearLeft\0";
+pub const LV2_PORT_GROUPS__rearRight: &'static [u8; 47usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#rearRight\0";
+pub const LV2_PORT_GROUPS__right: &'static [u8; 43usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#right\0";
+pub const LV2_PORT_GROUPS__side: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#side\0";
+pub const LV2_PORT_GROUPS__sideChainOf: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#sideChainOf\0";
+pub const LV2_PORT_GROUPS__sideLeft: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#sideLeft\0";
+pub const LV2_PORT_GROUPS__sideRight: &'static [u8; 47usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#sideRight\0";
+pub const LV2_PORT_GROUPS__source: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#source\0";
+pub const LV2_PORT_GROUPS__subGroupOf: &'static [u8; 48usize] =
+ b"http://lv2plug.in/ns/ext/port-groups#subGroupOf\0";
+pub const LV2_PORT_PROPS_URI: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/port-props\0";
+pub const LV2_PORT_PROPS_PREFIX: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/port-props#\0";
+pub const LV2_PORT_PROPS__causesArtifacts: &'static [u8; 52usize] =
+ b"http://lv2plug.in/ns/ext/port-props#causesArtifacts\0";
+pub const LV2_PORT_PROPS__continuousCV: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/ext/port-props#continuousCV\0";
+pub const LV2_PORT_PROPS__discreteCV: &'static [u8; 47usize] =
+ b"http://lv2plug.in/ns/ext/port-props#discreteCV\0";
+pub const LV2_PORT_PROPS__displayPriority: &'static [u8; 52usize] =
+ b"http://lv2plug.in/ns/ext/port-props#displayPriority\0";
+pub const LV2_PORT_PROPS__expensive: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/ext/port-props#expensive\0";
+pub const LV2_PORT_PROPS__hasStrictBounds: &'static [u8; 52usize] =
+ b"http://lv2plug.in/ns/ext/port-props#hasStrictBounds\0";
+pub const LV2_PORT_PROPS__logarithmic: &'static [u8; 48usize] =
+ b"http://lv2plug.in/ns/ext/port-props#logarithmic\0";
+pub const LV2_PORT_PROPS__notAutomatic: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/ext/port-props#notAutomatic\0";
+pub const LV2_PORT_PROPS__notOnGUI: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/ext/port-props#notOnGUI\0";
+pub const LV2_PORT_PROPS__rangeSteps: &'static [u8; 47usize] =
+ b"http://lv2plug.in/ns/ext/port-props#rangeSteps\0";
+pub const LV2_PORT_PROPS__supportsStrictBounds: &'static [u8; 57usize] =
+ b"http://lv2plug.in/ns/ext/port-props#supportsStrictBounds\0";
+pub const LV2_PORT_PROPS__trigger: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/ext/port-props#trigger\0";
+pub const LV2_PRESETS_URI: &'static [u8; 33usize] = b"http://lv2plug.in/ns/ext/presets\0";
+pub const LV2_PRESETS_PREFIX: &'static [u8; 34usize] = b"http://lv2plug.in/ns/ext/presets#\0";
+pub const LV2_PRESETS__Bank: &'static [u8; 38usize] = b"http://lv2plug.in/ns/ext/presets#Bank\0";
+pub const LV2_PRESETS__Preset: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/ext/presets#Preset\0";
+pub const LV2_PRESETS__bank: &'static [u8; 38usize] = b"http://lv2plug.in/ns/ext/presets#bank\0";
+pub const LV2_PRESETS__preset: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/ext/presets#preset\0";
+pub const LV2_PRESETS__value: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/presets#value\0";
+pub const LV2_RESIZE_PORT_URI: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/resize-port\0";
+pub const LV2_RESIZE_PORT_PREFIX: &'static [u8; 38usize] =
+ b"http://lv2plug.in/ns/ext/resize-port#\0";
+pub const LV2_RESIZE_PORT__asLargeAs: &'static [u8; 47usize] =
+ b"http://lv2plug.in/ns/ext/resize-port#asLargeAs\0";
+pub const LV2_RESIZE_PORT__minimumSize: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/ext/resize-port#minimumSize\0";
+pub const LV2_RESIZE_PORT__resize: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/ext/resize-port#resize\0";
+pub const LV2_STATE_URI: &'static [u8; 31usize] = b"http://lv2plug.in/ns/ext/state\0";
+pub const LV2_STATE_PREFIX: &'static [u8; 32usize] = b"http://lv2plug.in/ns/ext/state#\0";
+pub const LV2_STATE__State: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/state#State\0";
+pub const LV2_STATE__interface: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/state#interface\0";
+pub const LV2_STATE__loadDefaultState: &'static [u8; 48usize] =
+ b"http://lv2plug.in/ns/ext/state#loadDefaultState\0";
+pub const LV2_STATE__freePath: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/ext/state#freePath\0";
+pub const LV2_STATE__makePath: &'static [u8; 40usize] =
+ b"http://lv2plug.in/ns/ext/state#makePath\0";
+pub const LV2_STATE__mapPath: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/state#mapPath\0";
+pub const LV2_STATE__state: &'static [u8; 37usize] = b"http://lv2plug.in/ns/ext/state#state\0";
+pub const LV2_STATE__threadSafeRestore: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/ext/state#threadSafeRestore\0";
+pub const LV2_STATE__StateChanged: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/ext/state#StateChanged\0";
+pub const LV2_TIME_URI: &'static [u8; 30usize] = b"http://lv2plug.in/ns/ext/time\0";
+pub const LV2_TIME_PREFIX: &'static [u8; 31usize] = b"http://lv2plug.in/ns/ext/time#\0";
+pub const LV2_TIME__Time: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/time#Time\0";
+pub const LV2_TIME__Position: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/time#Position\0";
+pub const LV2_TIME__Rate: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/time#Rate\0";
+pub const LV2_TIME__position: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/time#position\0";
+pub const LV2_TIME__barBeat: &'static [u8; 38usize] = b"http://lv2plug.in/ns/ext/time#barBeat\0";
+pub const LV2_TIME__bar: &'static [u8; 34usize] = b"http://lv2plug.in/ns/ext/time#bar\0";
+pub const LV2_TIME__beat: &'static [u8; 35usize] = b"http://lv2plug.in/ns/ext/time#beat\0";
+pub const LV2_TIME__beatUnit: &'static [u8; 39usize] = b"http://lv2plug.in/ns/ext/time#beatUnit\0";
+pub const LV2_TIME__beatsPerBar: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/ext/time#beatsPerBar\0";
+pub const LV2_TIME__beatsPerMinute: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/ext/time#beatsPerMinute\0";
+pub const LV2_TIME__frame: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/time#frame\0";
+pub const LV2_TIME__framesPerSecond: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/ext/time#framesPerSecond\0";
+pub const LV2_TIME__speed: &'static [u8; 36usize] = b"http://lv2plug.in/ns/ext/time#speed\0";
+pub const LV2_UI_URI: &'static [u8; 35usize] = b"http://lv2plug.in/ns/extensions/ui\0";
+pub const LV2_UI_PREFIX: &'static [u8; 36usize] = b"http://lv2plug.in/ns/extensions/ui#\0";
+pub const LV2_UI__CocoaUI: &'static [u8; 43usize] = b"http://lv2plug.in/ns/extensions/ui#CocoaUI\0";
+pub const LV2_UI__Gtk3UI: &'static [u8; 42usize] = b"http://lv2plug.in/ns/extensions/ui#Gtk3UI\0";
+pub const LV2_UI__GtkUI: &'static [u8; 41usize] = b"http://lv2plug.in/ns/extensions/ui#GtkUI\0";
+pub const LV2_UI__PortNotification: &'static [u8; 52usize] =
+ b"http://lv2plug.in/ns/extensions/ui#PortNotification\0";
+pub const LV2_UI__PortProtocol: &'static [u8; 48usize] =
+ b"http://lv2plug.in/ns/extensions/ui#PortProtocol\0";
+pub const LV2_UI__Qt4UI: &'static [u8; 41usize] = b"http://lv2plug.in/ns/extensions/ui#Qt4UI\0";
+pub const LV2_UI__Qt5UI: &'static [u8; 41usize] = b"http://lv2plug.in/ns/extensions/ui#Qt5UI\0";
+pub const LV2_UI__UI: &'static [u8; 38usize] = b"http://lv2plug.in/ns/extensions/ui#UI\0";
+pub const LV2_UI__WindowsUI: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/extensions/ui#WindowsUI\0";
+pub const LV2_UI__X11UI: &'static [u8; 41usize] = b"http://lv2plug.in/ns/extensions/ui#X11UI\0";
+pub const LV2_UI__binary: &'static [u8; 42usize] = b"http://lv2plug.in/ns/extensions/ui#binary\0";
+pub const LV2_UI__fixedSize: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/extensions/ui#fixedSize\0";
+pub const LV2_UI__idleInterface: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/extensions/ui#idleInterface\0";
+pub const LV2_UI__noUserResize: &'static [u8; 48usize] =
+ b"http://lv2plug.in/ns/extensions/ui#noUserResize\0";
+pub const LV2_UI__notifyType: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/extensions/ui#notifyType\0";
+pub const LV2_UI__parent: &'static [u8; 42usize] = b"http://lv2plug.in/ns/extensions/ui#parent\0";
+pub const LV2_UI__plugin: &'static [u8; 42usize] = b"http://lv2plug.in/ns/extensions/ui#plugin\0";
+pub const LV2_UI__portIndex: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/extensions/ui#portIndex\0";
+pub const LV2_UI__portMap: &'static [u8; 43usize] = b"http://lv2plug.in/ns/extensions/ui#portMap\0";
+pub const LV2_UI__portNotification: &'static [u8; 52usize] =
+ b"http://lv2plug.in/ns/extensions/ui#portNotification\0";
+pub const LV2_UI__portSubscribe: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/extensions/ui#portSubscribe\0";
+pub const LV2_UI__protocol: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/extensions/ui#protocol\0";
+pub const LV2_UI__requestValue: &'static [u8; 48usize] =
+ b"http://lv2plug.in/ns/extensions/ui#requestValue\0";
+pub const LV2_UI__floatProtocol: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/extensions/ui#floatProtocol\0";
+pub const LV2_UI__peakProtocol: &'static [u8; 48usize] =
+ b"http://lv2plug.in/ns/extensions/ui#peakProtocol\0";
+pub const LV2_UI__resize: &'static [u8; 42usize] = b"http://lv2plug.in/ns/extensions/ui#resize\0";
+pub const LV2_UI__showInterface: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/extensions/ui#showInterface\0";
+pub const LV2_UI__touch: &'static [u8; 41usize] = b"http://lv2plug.in/ns/extensions/ui#touch\0";
+pub const LV2_UI__ui: &'static [u8; 38usize] = b"http://lv2plug.in/ns/extensions/ui#ui\0";
+pub const LV2_UI__updateRate: &'static [u8; 46usize] =
+ b"http://lv2plug.in/ns/extensions/ui#updateRate\0";
+pub const LV2_UI__windowTitle: &'static [u8; 47usize] =
+ b"http://lv2plug.in/ns/extensions/ui#windowTitle\0";
+pub const LV2_UI__scaleFactor: &'static [u8; 47usize] =
+ b"http://lv2plug.in/ns/extensions/ui#scaleFactor\0";
+pub const LV2_UI__foregroundColor: &'static [u8; 51usize] =
+ b"http://lv2plug.in/ns/extensions/ui#foregroundColor\0";
+pub const LV2_UI__backgroundColor: &'static [u8; 51usize] =
+ b"http://lv2plug.in/ns/extensions/ui#backgroundColor\0";
+pub const LV2_UNITS_URI: &'static [u8; 38usize] = b"http://lv2plug.in/ns/extensions/units\0";
+pub const LV2_UNITS_PREFIX: &'static [u8; 39usize] = b"http://lv2plug.in/ns/extensions/units#\0";
+pub const LV2_UNITS__Conversion: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/extensions/units#Conversion\0";
+pub const LV2_UNITS__Unit: &'static [u8; 43usize] = b"http://lv2plug.in/ns/extensions/units#Unit\0";
+pub const LV2_UNITS__bar: &'static [u8; 42usize] = b"http://lv2plug.in/ns/extensions/units#bar\0";
+pub const LV2_UNITS__beat: &'static [u8; 43usize] = b"http://lv2plug.in/ns/extensions/units#beat\0";
+pub const LV2_UNITS__bpm: &'static [u8; 42usize] = b"http://lv2plug.in/ns/extensions/units#bpm\0";
+pub const LV2_UNITS__cent: &'static [u8; 43usize] = b"http://lv2plug.in/ns/extensions/units#cent\0";
+pub const LV2_UNITS__cm: &'static [u8; 41usize] = b"http://lv2plug.in/ns/extensions/units#cm\0";
+pub const LV2_UNITS__coef: &'static [u8; 43usize] = b"http://lv2plug.in/ns/extensions/units#coef\0";
+pub const LV2_UNITS__conversion: &'static [u8; 49usize] =
+ b"http://lv2plug.in/ns/extensions/units#conversion\0";
+pub const LV2_UNITS__db: &'static [u8; 41usize] = b"http://lv2plug.in/ns/extensions/units#db\0";
+pub const LV2_UNITS__degree: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/extensions/units#degree\0";
+pub const LV2_UNITS__frame: &'static [u8; 44usize] =
+ b"http://lv2plug.in/ns/extensions/units#frame\0";
+pub const LV2_UNITS__hz: &'static [u8; 41usize] = b"http://lv2plug.in/ns/extensions/units#hz\0";
+pub const LV2_UNITS__inch: &'static [u8; 43usize] = b"http://lv2plug.in/ns/extensions/units#inch\0";
+pub const LV2_UNITS__khz: &'static [u8; 42usize] = b"http://lv2plug.in/ns/extensions/units#khz\0";
+pub const LV2_UNITS__km: &'static [u8; 41usize] = b"http://lv2plug.in/ns/extensions/units#km\0";
+pub const LV2_UNITS__m: &'static [u8; 40usize] = b"http://lv2plug.in/ns/extensions/units#m\0";
+pub const LV2_UNITS__mhz: &'static [u8; 42usize] = b"http://lv2plug.in/ns/extensions/units#mhz\0";
+pub const LV2_UNITS__midiNote: &'static [u8; 47usize] =
+ b"http://lv2plug.in/ns/extensions/units#midiNote\0";
+pub const LV2_UNITS__mile: &'static [u8; 43usize] = b"http://lv2plug.in/ns/extensions/units#mile\0";
+pub const LV2_UNITS__min: &'static [u8; 42usize] = b"http://lv2plug.in/ns/extensions/units#min\0";
+pub const LV2_UNITS__mm: &'static [u8; 41usize] = b"http://lv2plug.in/ns/extensions/units#mm\0";
+pub const LV2_UNITS__ms: &'static [u8; 41usize] = b"http://lv2plug.in/ns/extensions/units#ms\0";
+pub const LV2_UNITS__name: &'static [u8; 43usize] = b"http://lv2plug.in/ns/extensions/units#name\0";
+pub const LV2_UNITS__oct: &'static [u8; 42usize] = b"http://lv2plug.in/ns/extensions/units#oct\0";
+pub const LV2_UNITS__pc: &'static [u8; 41usize] = b"http://lv2plug.in/ns/extensions/units#pc\0";
+pub const LV2_UNITS__prefixConversion: &'static [u8; 55usize] =
+ b"http://lv2plug.in/ns/extensions/units#prefixConversion\0";
+pub const LV2_UNITS__render: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/extensions/units#render\0";
+pub const LV2_UNITS__s: &'static [u8; 40usize] = b"http://lv2plug.in/ns/extensions/units#s\0";
+pub const LV2_UNITS__semitone12TET: &'static [u8; 52usize] =
+ b"http://lv2plug.in/ns/extensions/units#semitone12TET\0";
+pub const LV2_UNITS__symbol: &'static [u8; 45usize] =
+ b"http://lv2plug.in/ns/extensions/units#symbol\0";
+pub const LV2_UNITS__unit: &'static [u8; 43usize] = b"http://lv2plug.in/ns/extensions/units#unit\0";
+pub const LV2_URI_MAP_URI: &'static [u8; 33usize] = b"http://lv2plug.in/ns/ext/uri-map\0";
+pub const LV2_URI_MAP_PREFIX: &'static [u8; 34usize] = b"http://lv2plug.in/ns/ext/uri-map#\0";
+pub const LV2_WORKER_URI: &'static [u8; 32usize] = b"http://lv2plug.in/ns/ext/worker\0";
+pub const LV2_WORKER_PREFIX: &'static [u8; 33usize] = b"http://lv2plug.in/ns/ext/worker#\0";
+pub const LV2_WORKER__interface: &'static [u8; 42usize] =
+ b"http://lv2plug.in/ns/ext/worker#interface\0";
+pub const LV2_WORKER__schedule: &'static [u8; 41usize] =
+ b"http://lv2plug.in/ns/ext/worker#schedule\0";
+pub type __uint8_t = ::std::os::raw::c_uchar;
+pub type __uint16_t = ::std::os::raw::c_ushort;
+pub type __int32_t = ::std::os::raw::c_int;
+pub type __uint32_t = ::std::os::raw::c_uint;
+pub type __int64_t = ::std::os::raw::c_long;
+#[doc = " The header of an atom:Atom."]
+#[repr(C, align(8))]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom {
+ #[doc = "< Size in bytes, not including type and size."]
+ pub size: u32,
+ #[doc = "< Type of this atom (mapped URI)."]
+ pub type_: u32,
+}
+#[doc = " An atom:Int or atom:Bool. May be cast to LV2_Atom."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Int {
+ #[doc = "< Atom header."]
+ pub atom: LV2_Atom,
+ #[doc = "< Integer value."]
+ pub body: i32,
+}
+#[doc = " An atom:Long. May be cast to LV2_Atom."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Long {
+ #[doc = "< Atom header."]
+ pub atom: LV2_Atom,
+ #[doc = "< Integer value."]
+ pub body: i64,
+}
+#[doc = " An atom:Float. May be cast to LV2_Atom."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Float {
+ #[doc = "< Atom header."]
+ pub atom: LV2_Atom,
+ #[doc = "< Floating point value."]
+ pub body: f32,
+}
+#[doc = " An atom:Double. May be cast to LV2_Atom."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Double {
+ #[doc = "< Atom header."]
+ pub atom: LV2_Atom,
+ #[doc = "< Floating point value."]
+ pub body: f64,
+}
+#[doc = " An atom:Bool. May be cast to LV2_Atom."]
+pub type LV2_Atom_Bool = LV2_Atom_Int;
+#[doc = " An atom:URID. May be cast to LV2_Atom."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_URID {
+ #[doc = "< Atom header."]
+ pub atom: LV2_Atom,
+ #[doc = "< URID."]
+ pub body: u32,
+}
+#[doc = " An atom:String. May be cast to LV2_Atom."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_String {
+ #[doc = "< Atom header."]
+ pub atom: LV2_Atom,
+}
+#[doc = " The body of an atom:Literal."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Literal_Body {
+ #[doc = "< Datatype URID."]
+ pub datatype: u32,
+ #[doc = "< Language URID."]
+ pub lang: u32,
+}
+#[doc = " An atom:Literal. May be cast to LV2_Atom."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Literal {
+ #[doc = "< Atom header."]
+ pub atom: LV2_Atom,
+ #[doc = "< Body."]
+ pub body: LV2_Atom_Literal_Body,
+}
+#[doc = " An atom:Tuple. May be cast to LV2_Atom."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Tuple {
+ #[doc = "< Atom header."]
+ pub atom: LV2_Atom,
+}
+#[doc = " The body of an atom:Vector."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Vector_Body {
+ #[doc = "< The size of each element in the vector."]
+ pub child_size: u32,
+ #[doc = "< The type of each element in the vector."]
+ pub child_type: u32,
+}
+#[doc = " An atom:Vector. May be cast to LV2_Atom."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Vector {
+ #[doc = "< Atom header."]
+ pub atom: LV2_Atom,
+ #[doc = "< Body."]
+ pub body: LV2_Atom_Vector_Body,
+}
+#[doc = " The body of an atom:Property (typically in an atom:Object)."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Property_Body {
+ #[doc = "< Key (predicate) (mapped URI)."]
+ pub key: u32,
+ #[doc = "< Context URID (may be, and generally is, 0)."]
+ pub context: u32,
+ #[doc = "< Value atom header."]
+ pub value: LV2_Atom,
+}
+#[doc = " An atom:Property. May be cast to LV2_Atom."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Property {
+ #[doc = "< Atom header."]
+ pub atom: LV2_Atom,
+ #[doc = "< Body."]
+ pub body: LV2_Atom_Property_Body,
+}
+#[doc = " The body of an atom:Object. May be cast to LV2_Atom."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Object_Body {
+ #[doc = "< URID, or 0 for blank."]
+ pub id: u32,
+ #[doc = "< Type URID (same as rdf:type, for fast dispatch)."]
+ pub otype: u32,
+}
+#[doc = " An atom:Object. May be cast to LV2_Atom."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Object {
+ #[doc = "< Atom header."]
+ pub atom: LV2_Atom,
+ #[doc = "< Body."]
+ pub body: LV2_Atom_Object_Body,
+}
+#[doc = " The header of an atom:Event. Note this type is NOT an LV2_Atom."]
+#[repr(C)]
+#[derive(Copy, Clone)]
+pub struct LV2_Atom_Event {
+ pub time: LV2_Atom_Event__bindgen_ty_1,
+ #[doc = "< Event body atom header."]
+ pub body: LV2_Atom,
+}
+#[doc = " Time stamp. Which type is valid is determined by context."]
+#[repr(C)]
+#[derive(Copy, Clone)]
+pub union LV2_Atom_Event__bindgen_ty_1 {
+ #[doc = "< Time in audio frames."]
+ pub frames: i64,
+ #[doc = "< Time in beats."]
+ pub beats: f64,
+ _bindgen_union_align: u64,
+}
+#[doc = "The body of an atom:Sequence (a sequence of events)."]
+#[doc = ""]
+#[doc = "The unit field is either a URID that described an appropriate time stamp"]
+#[doc = "type, or may be 0 where a default stamp type is known. For"]
+#[doc = "LV2_Descriptor::run(), the default stamp type is audio frames."]
+#[doc = ""]
+#[doc = "The contents of a sequence is a series of LV2_Atom_Event, each aligned"]
+#[doc = "to 64-bits, for example:"]
+#[doc = ""]
+#[doc = "| Event 1 (size 6) | Event 2"]
+#[doc = "| | | | | | | | |"]
+#[doc = "| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |"]
+#[doc = "|FRAMES |SUBFRMS|TYPE |SIZE |DATADATADATAPAD|FRAMES |SUBFRMS|..."]
+#[doc = "
"]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Sequence_Body {
+ #[doc = "< URID of unit of event time stamps."]
+ pub unit: u32,
+ #[doc = "< Currently unused."]
+ pub pad: u32,
+}
+#[doc = " An atom:Sequence."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Sequence {
+ #[doc = "< Atom header."]
+ pub atom: LV2_Atom,
+ #[doc = "< Body."]
+ pub body: LV2_Atom_Sequence_Body,
+}
+pub type va_list = __builtin_va_list;
+#[doc = " A single entry in an Object query."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Object_Query {
+ #[doc = "< Key to query (input set by user)"]
+ pub key: u32,
+ #[doc = "< Found value (output set by query function)"]
+ pub value: *mut *const LV2_Atom,
+}
+extern "C" {
+ pub static LV2_ATOM_OBJECT_QUERY_END: LV2_Atom_Object_Query;
+}
+#[doc = "Opaque pointer to host data for LV2_URID_Map."]
+pub type LV2_URID_Map_Handle = *mut ::std::os::raw::c_void;
+#[doc = "Opaque pointer to host data for LV2_URID_Unmap."]
+pub type LV2_URID_Unmap_Handle = *mut ::std::os::raw::c_void;
+#[doc = "URI mapped to an integer."]
+pub type LV2_URID = u32;
+#[doc = "URID Map Feature (LV2_URID__map)"]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_URID_Map {
+ #[doc = "Opaque pointer to host data."]
+ #[doc = ""]
+ #[doc = "This MUST be passed to map_uri() whenever it is called."]
+ #[doc = "Otherwise, it must not be interpreted in any way."]
+ pub handle: LV2_URID_Map_Handle,
+ #[doc = "Get the numeric ID of a URI."]
+ #[doc = ""]
+ #[doc = "If the ID does not already exist, it will be created."]
+ #[doc = ""]
+ #[doc = "This function is referentially transparent; any number of calls with the"]
+ #[doc = "same arguments is guaranteed to return the same value over the life of a"]
+ #[doc = "plugin instance. Note, however, that several URIs MAY resolve to the"]
+ #[doc = "same ID if the host considers those URIs equivalent."]
+ #[doc = ""]
+ #[doc = "This function is not necessarily very fast or RT-safe: plugins SHOULD"]
+ #[doc = "cache any IDs they might need in performance critical situations."]
+ #[doc = ""]
+ #[doc = "The return value 0 is reserved and indicates that an ID for that URI"]
+ #[doc = "could not be created for whatever reason. However, hosts SHOULD NOT"]
+ #[doc = "return 0 from this function in non-exceptional circumstances (i.e. the"]
+ #[doc = "URI map SHOULD be dynamic)."]
+ #[doc = ""]
+ #[doc = "@param handle Must be the callback_data member of this struct."]
+ #[doc = "@param uri The URI to be mapped to an integer ID."]
+ pub map: ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2_URID_Map_Handle,
+ uri: *const ::std::os::raw::c_char,
+ ) -> LV2_URID,
+ >,
+}
+#[doc = "URI Unmap Feature (LV2_URID__unmap)"]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_URID_Unmap {
+ #[doc = "Opaque pointer to host data."]
+ #[doc = ""]
+ #[doc = "This MUST be passed to unmap() whenever it is called."]
+ #[doc = "Otherwise, it must not be interpreted in any way."]
+ pub handle: LV2_URID_Unmap_Handle,
+ #[doc = "Get the URI for a previously mapped numeric ID."]
+ #[doc = ""]
+ #[doc = "Returns NULL if `urid` is not yet mapped. Otherwise, the corresponding"]
+ #[doc = "URI is returned in a canonical form. This MAY not be the exact same"]
+ #[doc = "string that was originally passed to LV2_URID_Map::map(), but it MUST be"]
+ #[doc = "an identical URI according to the URI syntax specification (RFC3986). A"]
+ #[doc = "non-NULL return for a given `urid` will always be the same for the life"]
+ #[doc = "of the plugin. Plugins that intend to perform string comparison on"]
+ #[doc = "unmapped URIs SHOULD first canonicalise URI strings with a call to"]
+ #[doc = "map_uri() followed by a call to unmap_uri()."]
+ #[doc = ""]
+ #[doc = "@param handle Must be the callback_data member of this struct."]
+ #[doc = "@param urid The ID to be mapped back to the URI string."]
+ pub unmap: ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2_URID_Unmap_Handle,
+ urid: LV2_URID,
+ ) -> *const ::std::os::raw::c_char,
+ >,
+}
+#[doc = " Handle for LV2_Atom_Forge_Sink."]
+pub type LV2_Atom_Forge_Sink_Handle = *mut ::std::os::raw::c_void;
+#[doc = " A reference to a chunk of written output."]
+pub type LV2_Atom_Forge_Ref = isize;
+#[doc = " Sink function for writing output. See lv2_atom_forge_set_sink()."]
+pub type LV2_Atom_Forge_Sink = ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2_Atom_Forge_Sink_Handle,
+ buf: *const ::std::os::raw::c_void,
+ size: u32,
+ ) -> LV2_Atom_Forge_Ref,
+>;
+#[doc = " Function for resolving a reference. See lv2_atom_forge_set_sink()."]
+pub type LV2_Atom_Forge_Deref_Func = ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2_Atom_Forge_Sink_Handle,
+ ref_: LV2_Atom_Forge_Ref,
+ ) -> *mut LV2_Atom,
+>;
+#[doc = " A stack frame used for keeping track of nested Atom containers."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Forge_Frame {
+ pub parent: *mut LV2_Atom_Forge_Frame,
+ pub ref_: LV2_Atom_Forge_Ref,
+}
+#[doc = " A \"forge\" for creating atoms by appending to a buffer."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Atom_Forge {
+ pub buf: *mut u8,
+ pub offset: u32,
+ pub size: u32,
+ pub sink: LV2_Atom_Forge_Sink,
+ pub deref: LV2_Atom_Forge_Deref_Func,
+ pub handle: LV2_Atom_Forge_Sink_Handle,
+ pub stack: *mut LV2_Atom_Forge_Frame,
+ pub Blank: LV2_URID,
+ pub Bool: LV2_URID,
+ pub Chunk: LV2_URID,
+ pub Double: LV2_URID,
+ pub Float: LV2_URID,
+ pub Int: LV2_URID,
+ pub Long: LV2_URID,
+ pub Literal: LV2_URID,
+ pub Object: LV2_URID,
+ pub Path: LV2_URID,
+ pub Property: LV2_URID,
+ pub Resource: LV2_URID,
+ pub Sequence: LV2_URID,
+ pub String: LV2_URID,
+ pub Tuple: LV2_URID,
+ pub URI: LV2_URID,
+ pub URID: LV2_URID,
+ pub Vector: LV2_URID,
+}
+#[doc = "Plugin Instance Handle."]
+#[doc = ""]
+#[doc = "This is a handle for one particular instance of a plugin. It is valid to"]
+#[doc = "compare to NULL (or 0 for C++) but otherwise the host MUST NOT attempt to"]
+#[doc = "interpret it."]
+pub type LV2_Handle = *mut ::std::os::raw::c_void;
+#[doc = "Feature."]
+#[doc = ""]
+#[doc = "Features allow hosts to make additional functionality available to plugins"]
+#[doc = "without requiring modification to the LV2 API. Extensions may define new"]
+#[doc = "features and specify the `URI` and `data` to be used if necessary."]
+#[doc = "Some features, such as lv2:isLive, do not require the host to pass data."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Feature {
+ #[doc = "A globally unique, case-sensitive identifier (URI) for this feature."]
+ #[doc = ""]
+ #[doc = "This MUST be a valid URI string as defined by RFC 3986."]
+ pub URI: *const ::std::os::raw::c_char,
+ #[doc = "Pointer to arbitrary data."]
+ #[doc = ""]
+ #[doc = "The format of this data is defined by the extension which describes the"]
+ #[doc = "feature with the given `URI`."]
+ pub data: *mut ::std::os::raw::c_void,
+}
+#[doc = "Plugin Descriptor."]
+#[doc = ""]
+#[doc = "This structure provides the core functions necessary to instantiate and use"]
+#[doc = "a plugin."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Descriptor {
+ #[doc = "A globally unique, case-sensitive identifier for this plugin."]
+ #[doc = ""]
+ #[doc = "This MUST be a valid URI string as defined by RFC 3986. All plugins with"]
+ #[doc = "the same URI MUST be compatible to some degree, see"]
+ #[doc = "http://lv2plug.in/ns/lv2core for details."]
+ pub URI: *const ::std::os::raw::c_char,
+ #[doc = "Instantiate the plugin."]
+ #[doc = ""]
+ #[doc = "Note that instance initialisation should generally occur in activate()"]
+ #[doc = "rather than here. If a host calls instantiate(), it MUST call cleanup()"]
+ #[doc = "at some point in the future."]
+ #[doc = ""]
+ #[doc = "@param descriptor Descriptor of the plugin to instantiate."]
+ #[doc = ""]
+ #[doc = "@param sample_rate Sample rate, in Hz, for the new plugin instance."]
+ #[doc = ""]
+ #[doc = "@param bundle_path Path to the LV2 bundle which contains this plugin"]
+ #[doc = "binary. It MUST include the trailing directory separator so that simply"]
+ #[doc = "appending a filename will yield the path to that file in the bundle."]
+ #[doc = ""]
+ #[doc = "@param features A NULL terminated array of LV2_Feature structs which"]
+ #[doc = "represent the features the host supports. Plugins may refuse to"]
+ #[doc = "instantiate if required features are not found here. However, hosts MUST"]
+ #[doc = "NOT use this as a discovery mechanism: instead, use the RDF data to"]
+ #[doc = "determine which features are required and do not attempt to instantiate"]
+ #[doc = "unsupported plugins at all. This parameter MUST NOT be NULL, i.e. a host"]
+ #[doc = "that supports no features MUST pass a single element array containing"]
+ #[doc = "NULL."]
+ #[doc = ""]
+ #[doc = "@return A handle for the new plugin instance, or NULL if instantiation"]
+ #[doc = "has failed."]
+ pub instantiate: ::std::option::Option<
+ unsafe extern "C" fn(
+ descriptor: *const LV2_Descriptor,
+ sample_rate: f64,
+ bundle_path: *const ::std::os::raw::c_char,
+ features: *const *const LV2_Feature,
+ ) -> LV2_Handle,
+ >,
+ #[doc = "Connect a port on a plugin instance to a memory location."]
+ #[doc = ""]
+ #[doc = "Plugin writers should be aware that the host may elect to use the same"]
+ #[doc = "buffer for more than one port and even use the same buffer for both"]
+ #[doc = "input and output (see lv2:inPlaceBroken in lv2.ttl)."]
+ #[doc = ""]
+ #[doc = "If the plugin has the feature lv2:hardRTCapable then there are various"]
+ #[doc = "things that the plugin MUST NOT do within the connect_port() function;"]
+ #[doc = "see lv2core.ttl for details."]
+ #[doc = ""]
+ #[doc = "connect_port() MUST be called at least once for each port before run()"]
+ #[doc = "is called, unless that port is lv2:connectionOptional. The plugin must"]
+ #[doc = "pay careful attention to the block size passed to run() since the block"]
+ #[doc = "allocated may only just be large enough to contain the data, and is not"]
+ #[doc = "guaranteed to remain constant between run() calls."]
+ #[doc = ""]
+ #[doc = "connect_port() may be called more than once for a plugin instance to"]
+ #[doc = "allow the host to change the buffers that the plugin is reading or"]
+ #[doc = "writing. These calls may be made before or after activate() or"]
+ #[doc = "deactivate() calls."]
+ #[doc = ""]
+ #[doc = "@param instance Plugin instance containing the port."]
+ #[doc = ""]
+ #[doc = "@param port Index of the port to connect. The host MUST NOT try to"]
+ #[doc = "connect a port index that is not defined in the plugin's RDF data. If"]
+ #[doc = "it does, the plugin's behaviour is undefined (a crash is likely)."]
+ #[doc = ""]
+ #[doc = "@param data_location Pointer to data of the type defined by the port"]
+ #[doc = "type in the plugin's RDF data (for example, an array of float for an"]
+ #[doc = "lv2:AudioPort). This pointer must be stored by the plugin instance and"]
+ #[doc = "used to read/write data when run() is called. Data present at the time"]
+ #[doc = "of the connect_port() call MUST NOT be considered meaningful."]
+ pub connect_port: ::std::option::Option<
+ unsafe extern "C" fn(
+ instance: LV2_Handle,
+ port: u32,
+ data_location: *mut ::std::os::raw::c_void,
+ ),
+ >,
+ #[doc = "Initialise a plugin instance and activate it for use."]
+ #[doc = ""]
+ #[doc = "This is separated from instantiate() to aid real-time support and so"]
+ #[doc = "that hosts can reinitialise a plugin instance by calling deactivate()"]
+ #[doc = "and then activate(). In this case the plugin instance MUST reset all"]
+ #[doc = "state information dependent on the history of the plugin instance except"]
+ #[doc = "for any data locations provided by connect_port(). If there is nothing"]
+ #[doc = "for activate() to do then this field may be NULL."]
+ #[doc = ""]
+ #[doc = "When present, hosts MUST call this function once before run() is called"]
+ #[doc = "for the first time. This call SHOULD be made as close to the run() call"]
+ #[doc = "as possible and indicates to real-time plugins that they are now live,"]
+ #[doc = "however plugins MUST NOT rely on a prompt call to run() after"]
+ #[doc = "activate()."]
+ #[doc = ""]
+ #[doc = "The host MUST NOT call activate() again until deactivate() has been"]
+ #[doc = "called first. If a host calls activate(), it MUST call deactivate() at"]
+ #[doc = "some point in the future. Note that connect_port() may be called before"]
+ #[doc = "or after activate()."]
+ pub activate: ::std::option::Option,
+ #[doc = "Run a plugin instance for a block."]
+ #[doc = ""]
+ #[doc = "Note that if an activate() function exists then it must be called before"]
+ #[doc = "run(). If deactivate() is called for a plugin instance then run() may"]
+ #[doc = "not be called until activate() has been called again."]
+ #[doc = ""]
+ #[doc = "If the plugin has the feature lv2:hardRTCapable then there are various"]
+ #[doc = "things that the plugin MUST NOT do within the run() function (see"]
+ #[doc = "lv2core.ttl for details)."]
+ #[doc = ""]
+ #[doc = "As a special case, when `sample_count` is 0, the plugin should update"]
+ #[doc = "any output ports that represent a single instant in time (for example,"]
+ #[doc = "control ports, but not audio ports). This is particularly useful for"]
+ #[doc = "latent plugins, which should update their latency output port so hosts"]
+ #[doc = "can pre-roll plugins to compute latency. Plugins MUST NOT crash when"]
+ #[doc = "`sample_count` is 0."]
+ #[doc = ""]
+ #[doc = "@param instance Instance to be run."]
+ #[doc = ""]
+ #[doc = "@param sample_count The block size (in samples) for which the plugin"]
+ #[doc = "instance must run."]
+ pub run: ::std::option::Option,
+ #[doc = "Deactivate a plugin instance (counterpart to activate())."]
+ #[doc = ""]
+ #[doc = "Hosts MUST deactivate all activated instances after they have been run()"]
+ #[doc = "for the last time. This call SHOULD be made as close to the last run()"]
+ #[doc = "call as possible and indicates to real-time plugins that they are no"]
+ #[doc = "longer live, however plugins MUST NOT rely on prompt deactivation. If"]
+ #[doc = "there is nothing for deactivate() to do then this field may be NULL"]
+ #[doc = ""]
+ #[doc = "Deactivation is not similar to pausing since the plugin instance will be"]
+ #[doc = "reinitialised by activate(). However, deactivate() itself MUST NOT fully"]
+ #[doc = "reset plugin state. For example, the host may deactivate a plugin, then"]
+ #[doc = "store its state (using some extension to do so)."]
+ #[doc = ""]
+ #[doc = "Hosts MUST NOT call deactivate() unless activate() was previously"]
+ #[doc = "called. Note that connect_port() may be called before or after"]
+ #[doc = "deactivate()."]
+ pub deactivate: ::std::option::Option,
+ #[doc = "Clean up a plugin instance (counterpart to instantiate())."]
+ #[doc = ""]
+ #[doc = "Once an instance of a plugin has been finished with it must be deleted"]
+ #[doc = "using this function. The instance handle passed ceases to be valid after"]
+ #[doc = "this call."]
+ #[doc = ""]
+ #[doc = "If activate() was called for a plugin instance then a corresponding call"]
+ #[doc = "to deactivate() MUST be made before cleanup() is called. Hosts MUST NOT"]
+ #[doc = "call cleanup() unless instantiate() was previously called."]
+ pub cleanup: ::std::option::Option,
+ #[doc = "Return additional plugin data defined by some extenion."]
+ #[doc = ""]
+ #[doc = "A typical use of this facility is to return a struct containing function"]
+ #[doc = "pointers to extend the LV2_Descriptor API."]
+ #[doc = ""]
+ #[doc = "The actual type and meaning of the returned object MUST be specified"]
+ #[doc = "precisely by the extension. This function MUST return NULL for any"]
+ #[doc = "unsupported URI. If a plugin does not support any extension data, this"]
+ #[doc = "field may be NULL."]
+ #[doc = ""]
+ #[doc = "The host is never responsible for freeing the returned value."]
+ pub extension_data: ::std::option::Option<
+ unsafe extern "C" fn(uri: *const ::std::os::raw::c_char) -> *const ::std::os::raw::c_void,
+ >,
+}
+#[doc = "Type of the lv2_descriptor() function in a library (old discovery API)."]
+pub type LV2_Descriptor_Function =
+ ::std::option::Option *const LV2_Descriptor>;
+#[doc = "Handle for a library descriptor."]
+pub type LV2_Lib_Handle = *mut ::std::os::raw::c_void;
+#[doc = "Descriptor for a plugin library."]
+#[doc = ""]
+#[doc = "To access a plugin library, the host creates an LV2_Lib_Descriptor via the"]
+#[doc = "lv2_lib_descriptor() function in the shared object."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Lib_Descriptor {
+ #[doc = "Opaque library data which must be passed as the first parameter to all"]
+ #[doc = "the methods of this struct."]
+ pub handle: LV2_Lib_Handle,
+ #[doc = "The total size of this struct. This allows for this struct to be"]
+ #[doc = "expanded in the future if necessary. This MUST be set by the library to"]
+ #[doc = "sizeof(LV2_Lib_Descriptor). The host MUST NOT access any fields of this"]
+ #[doc = "struct beyond get_plugin() unless this field indicates they are present."]
+ pub size: u32,
+ #[doc = "Destroy this library descriptor and free all related resources."]
+ pub cleanup: ::std::option::Option,
+ #[doc = "Plugin accessor."]
+ #[doc = ""]
+ #[doc = "Plugins are accessed by index using values from 0 upwards. Out of range"]
+ #[doc = "indices MUST result in this function returning NULL, so the host can"]
+ #[doc = "enumerate plugins by increasing `index` until NULL is returned."]
+ pub get_plugin: ::std::option::Option<
+ unsafe extern "C" fn(handle: LV2_Lib_Handle, index: u32) -> *const LV2_Descriptor,
+ >,
+}
+#[doc = "Type of the lv2_lib_descriptor() function in an LV2 library."]
+pub type LV2_Lib_Descriptor_Function = ::std::option::Option<
+ unsafe extern "C" fn(
+ bundle_path: *const ::std::os::raw::c_char,
+ features: *const *const LV2_Feature,
+ ) -> *const LV2_Lib_Descriptor,
+>;
+#[doc = "The data field of the LV2_Feature for this extension."]
+#[doc = ""]
+#[doc = "To support this feature the host must pass an LV2_Feature struct to the"]
+#[doc = "instantiate method with URI \"http://lv2plug.in/ns/ext/data-access\""]
+#[doc = "and data pointed to an instance of this struct."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Extension_Data_Feature {
+ #[doc = "A pointer to a method the UI can call to get data (of a type specified"]
+ #[doc = "by some other extension) from the plugin."]
+ #[doc = ""]
+ #[doc = "This call never is never guaranteed to return anything, UIs should"]
+ #[doc = "degrade gracefully if direct access to the plugin data is not possible"]
+ #[doc = "(in which case this function will return NULL)."]
+ #[doc = ""]
+ #[doc = "This is for access to large data that can only possibly work if the UI"]
+ #[doc = "and plugin are running in the same process. For all other things, use"]
+ #[doc = "the normal LV2 UI communication system."]
+ pub data_access: ::std::option::Option<
+ unsafe extern "C" fn(uri: *const ::std::os::raw::c_char) -> *const ::std::os::raw::c_void,
+ >,
+}
+#[doc = "Dynamic manifest generator handle."]
+#[doc = ""]
+#[doc = "This handle indicates a particular status of a dynamic manifest generator."]
+#[doc = "The host MUST NOT attempt to interpret it and, unlikely LV2_Handle, it is"]
+#[doc = "NOT even valid to compare this to NULL. The dynamic manifest generator MAY"]
+#[doc = "use it to reference internal data."]
+pub type LV2_Dyn_Manifest_Handle = *mut ::std::os::raw::c_void;
+pub const LV2_EVENT_PPQN: u32 = 3136573440;
+#[doc = "An LV2 event (header only)."]
+#[doc = ""]
+#[doc = "LV2 events are generic time-stamped containers for any type of event."]
+#[doc = "The type field defines the format of a given event's contents."]
+#[doc = ""]
+#[doc = "This struct defines the header of an LV2 event. An LV2 event is a single"]
+#[doc = "chunk of POD (plain old data), usually contained in a flat buffer (see"]
+#[doc = "LV2_EventBuffer below). Unless a required feature says otherwise, hosts may"]
+#[doc = "assume a deep copy of an LV2 event can be created safely using a simple:"]
+#[doc = ""]
+#[doc = "memcpy(ev_copy, ev, sizeof(LV2_Event) + ev->size); (or equivalent)"]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Event {
+ #[doc = "The frames portion of timestamp. The units used here can optionally be"]
+ #[doc = "set for a port (with the lv2ev:timeUnits property), otherwise this is"]
+ #[doc = "audio frames, corresponding to the sample_count parameter of the LV2 run"]
+ #[doc = "method (frame 0 is the first frame for that call to run)."]
+ pub frames: u32,
+ #[doc = "The sub-frames portion of timestamp. The units used here can optionally"]
+ #[doc = "be set for a port (with the lv2ev:timeUnits property), otherwise this is"]
+ #[doc = "1/(2^32) of an audio frame."]
+ pub subframes: u32,
+ #[doc = "The type of this event, as a number which represents some URI"]
+ #[doc = "defining an event type. This value MUST be some value previously"]
+ #[doc = "returned from a call to the uri_to_id function defined in the LV2"]
+ #[doc = "URI map extension (see lv2_uri_map.h)."]
+ #[doc = "There are special rules which must be followed depending on the type"]
+ #[doc = "of an event. If the plugin recognizes an event type, the definition"]
+ #[doc = "of that event type will describe how to interpret the event, and"]
+ #[doc = "any required behaviour. Otherwise, if the type is 0, this event is a"]
+ #[doc = "non-POD event and lv2_event_unref MUST be called if the event is"]
+ #[doc = "'dropped' (see above). Even if the plugin does not understand an event,"]
+ #[doc = "it may pass the event through to an output by simply copying (and NOT"]
+ #[doc = "calling lv2_event_unref). These rules are designed to allow for generic"]
+ #[doc = "event handling plugins and large non-POD events, but with minimal hassle"]
+ #[doc = "on simple plugins that \"don't care\" about these more advanced features."]
+ pub type_: u16,
+ #[doc = "The size of the data portion of this event in bytes, which immediately"]
+ #[doc = "follows. The header size (12 bytes) is not included in this value."]
+ pub size: u16,
+}
+#[doc = "A buffer of LV2 events (header only)."]
+#[doc = ""]
+#[doc = "Like events (which this contains) an event buffer is a single chunk of POD:"]
+#[doc = "the entire buffer (including contents) can be copied with a single memcpy."]
+#[doc = "The first contained event begins sizeof(LV2_EventBuffer) bytes after the"]
+#[doc = "start of this struct."]
+#[doc = ""]
+#[doc = "After this header, the buffer contains an event header (defined by struct"]
+#[doc = "LV2_Event), followed by that event's contents (padded to 64 bits), followed"]
+#[doc = "by another header, etc:"]
+#[doc = ""]
+#[doc = "| | | | | | |"]
+#[doc = "| | | | | | | | | | | | | | | | | | | | | | | | |"]
+#[doc = "|FRAMES |SUBFRMS|TYP|LEN|DATA..DATA..PAD|FRAMES | ..."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Event_Buffer {
+ #[doc = "The contents of the event buffer. This may or may not reside in the"]
+ #[doc = "same block of memory as this header, plugins must not assume either."]
+ #[doc = "The host guarantees this points to at least capacity bytes of allocated"]
+ #[doc = "memory (though only size bytes of that are valid events)."]
+ pub data: *mut u8,
+ #[doc = "The size of this event header in bytes (including everything)."]
+ #[doc = ""]
+ #[doc = "This is to allow for extending this header in the future without"]
+ #[doc = "breaking binary compatibility. Whenever this header is copied,"]
+ #[doc = "it MUST be done using this field (and NOT the sizeof this struct)."]
+ pub header_size: u16,
+ #[doc = "The type of the time stamps for events in this buffer."]
+ #[doc = "As a special exception, '0' always means audio frames and subframes"]
+ #[doc = "(1/UINT32_MAX'th of a frame) in the sample rate passed to instantiate."]
+ #[doc = ""]
+ #[doc = "INPUTS: The host must set this field to the numeric ID of some URI"]
+ #[doc = "defining the meaning of the frames/subframes fields of contained events"]
+ #[doc = "(obtained by the LV2 URI Map uri_to_id function with the URI of this"]
+ #[doc = "extension as the 'map' argument, see lv2_uri_map.h). The host must"]
+ #[doc = "never pass a plugin a buffer which uses a stamp type the plugin does not"]
+ #[doc = "'understand'. The value of this field must never change, except when"]
+ #[doc = "connect_port is called on the input port, at which time the host MUST"]
+ #[doc = "have set the stamp_type field to the value that will be used for all"]
+ #[doc = "subsequent run calls."]
+ #[doc = ""]
+ #[doc = "OUTPUTS: The plugin may set this to any value that has been returned"]
+ #[doc = "from uri_to_id with the URI of this extension for a 'map' argument."]
+ #[doc = "When connected to a buffer with connect_port, output ports MUST set this"]
+ #[doc = "field to the type of time stamp they will be writing. On any call to"]
+ #[doc = "connect_port on an event input port, the plugin may change this field on"]
+ #[doc = "any output port, it is the responsibility of the host to check if any of"]
+ #[doc = "these values have changed and act accordingly."]
+ pub stamp_type: u16,
+ #[doc = "The number of events in this buffer."]
+ #[doc = ""]
+ #[doc = "INPUTS: The host must set this field to the number of events contained"]
+ #[doc = "in the data buffer before calling run(). The plugin must not change"]
+ #[doc = "this field."]
+ #[doc = ""]
+ #[doc = "OUTPUTS: The plugin must set this field to the number of events it has"]
+ #[doc = "written to the buffer before returning from run(). Any initial value"]
+ #[doc = "should be ignored by the plugin."]
+ pub event_count: u32,
+ #[doc = "The size of the data buffer in bytes."]
+ #[doc = "This is set by the host and must not be changed by the plugin."]
+ #[doc = "The host is allowed to change this between run() calls."]
+ pub capacity: u32,
+ #[doc = "The size of the initial portion of the data buffer containing data."]
+ #[doc = ""]
+ #[doc = "INPUTS: The host must set this field to the number of bytes used"]
+ #[doc = "by all events it has written to the buffer (including headers)"]
+ #[doc = "before calling the plugin's run()."]
+ #[doc = "The plugin must not change this field."]
+ #[doc = ""]
+ #[doc = "OUTPUTS: The plugin must set this field to the number of bytes"]
+ #[doc = "used by all events it has written to the buffer (including headers)"]
+ #[doc = "before returning from run()."]
+ #[doc = "Any initial value should be ignored by the plugin."]
+ pub size: u32,
+}
+#[doc = "Opaque pointer to host data."]
+pub type LV2_Event_Callback_Data = *mut ::std::os::raw::c_void;
+#[doc = "Non-POD events feature."]
+#[doc = ""]
+#[doc = "To support this feature the host must pass an LV2_Feature struct to the"]
+#[doc = "plugin's instantiate method with URI \"http://lv2plug.in/ns/ext/event\""]
+#[doc = "and data pointed to an instance of this struct. Note this feature"]
+#[doc = "is not mandatory to support the event extension."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Event_Feature {
+ #[doc = "Opaque pointer to host data."]
+ #[doc = ""]
+ #[doc = "The plugin MUST pass this to any call to functions in this struct."]
+ #[doc = "Otherwise, it must not be interpreted in any way."]
+ pub callback_data: LV2_Event_Callback_Data,
+ #[doc = "Take a reference to a non-POD event."]
+ #[doc = ""]
+ #[doc = "If a plugin receives an event with type 0, it means the event is a"]
+ #[doc = "pointer to some object in memory and not a flat sequence of bytes"]
+ #[doc = "in the buffer. When receiving a non-POD event, the plugin already"]
+ #[doc = "has an implicit reference to the event. If the event is stored AND"]
+ #[doc = "passed to an output, lv2_event_ref MUST be called on that event."]
+ #[doc = "If the event is only stored OR passed through, this is not necessary"]
+ #[doc = "(as the plugin already has 1 implicit reference)."]
+ #[doc = ""]
+ #[doc = "@param event An event received at an input that will not be copied to"]
+ #[doc = "an output or stored in any way."]
+ #[doc = ""]
+ #[doc = "@param context The calling context. Like event types, this is a mapped"]
+ #[doc = "URI, see lv2_context.h. Simple plugin with just a run() method should"]
+ #[doc = "pass 0 here (the ID of the 'standard' LV2 run context). The host"]
+ #[doc = "guarantees that this function is realtime safe iff the context is"]
+ #[doc = "realtime safe."]
+ #[doc = ""]
+ #[doc = "PLUGINS THAT VIOLATE THESE RULES MAY CAUSE CRASHES AND MEMORY LEAKS."]
+ pub lv2_event_ref: ::std::option::Option<
+ unsafe extern "C" fn(callback_data: LV2_Event_Callback_Data, event: *mut LV2_Event) -> u32,
+ >,
+ #[doc = "Drop a reference to a non-POD event."]
+ #[doc = ""]
+ #[doc = "If a plugin receives an event with type 0, it means the event is a"]
+ #[doc = "pointer to some object in memory and not a flat sequence of bytes"]
+ #[doc = "in the buffer. If the plugin does not pass the event through to"]
+ #[doc = "an output or store it internally somehow, it MUST call this function"]
+ #[doc = "on the event (more information on using non-POD events below)."]
+ #[doc = ""]
+ #[doc = "@param event An event received at an input that will not be copied to an"]
+ #[doc = "output or stored in any way."]
+ #[doc = ""]
+ #[doc = "@param context The calling context. Like event types, this is a mapped"]
+ #[doc = "URI, see lv2_context.h. Simple plugin with just a run() method should"]
+ #[doc = "pass 0 here (the ID of the 'standard' LV2 run context). The host"]
+ #[doc = "guarantees that this function is realtime safe iff the context is"]
+ #[doc = "realtime safe."]
+ #[doc = ""]
+ #[doc = "PLUGINS THAT VIOLATE THESE RULES MAY CAUSE CRASHES AND MEMORY LEAKS."]
+ pub lv2_event_unref: ::std::option::Option<
+ unsafe extern "C" fn(callback_data: LV2_Event_Callback_Data, event: *mut LV2_Event) -> u32,
+ >,
+}
+#[doc = " An iterator over an LV2_Event_Buffer."]
+#[doc = ""]
+#[doc = " Multiple simultaneous read iterators over a single buffer is fine,"]
+#[doc = " but changing the buffer invalidates all iterators."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Event_Iterator {
+ pub buf: *mut LV2_Event_Buffer,
+ pub offset: u32,
+}
+#[doc = "Opaque data to host data for LV2_Log_Log."]
+pub type LV2_Log_Handle = *mut ::std::os::raw::c_void;
+#[doc = "Log feature (LV2_LOG__log)"]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Log_Log {
+ #[doc = "Opaque pointer to host data."]
+ #[doc = ""]
+ #[doc = "This MUST be passed to methods in this struct whenever they are called."]
+ #[doc = "Otherwise, it must not be interpreted in any way."]
+ pub handle: LV2_Log_Handle,
+ #[doc = "Log a message, passing format parameters directly."]
+ #[doc = ""]
+ #[doc = "The API of this function matches that of the standard C printf function,"]
+ #[doc = "except for the addition of the first two parameters. This function may"]
+ #[doc = "be called from any non-realtime context, or from any context if `type`"]
+ #[doc = "is @ref LV2_LOG__Trace."]
+ pub printf: ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2_Log_Handle,
+ type_: LV2_URID,
+ fmt: *const ::std::os::raw::c_char,
+ ...
+ ) -> ::std::os::raw::c_int,
+ >,
+ #[doc = "Log a message, passing format parameters in a va_list."]
+ #[doc = ""]
+ #[doc = "The API of this function matches that of the standard C vprintf"]
+ #[doc = "function, except for the addition of the first two parameters. This"]
+ #[doc = "function may be called from any non-realtime context, or from any"]
+ #[doc = "context if `type` is @ref LV2_LOG__Trace."]
+ pub vprintf: ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2_Log_Handle,
+ type_: LV2_URID,
+ fmt: *const ::std::os::raw::c_char,
+ ap: va_list,
+ ) -> ::std::os::raw::c_int,
+ >,
+}
+#[doc = "Logger convenience API state."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Log_Logger {
+ pub log: *mut LV2_Log_Log,
+ pub Error: LV2_URID,
+ pub Note: LV2_URID,
+ pub Trace: LV2_URID,
+ pub Warning: LV2_URID,
+}
+#[doc = "< Invalid Message"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_INVALID: LV2_Midi_Message_Type = 0;
+#[doc = "< Note Off"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_NOTE_OFF: LV2_Midi_Message_Type = 128;
+#[doc = "< Note On"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_NOTE_ON: LV2_Midi_Message_Type = 144;
+#[doc = "< Note Pressure"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_NOTE_PRESSURE: LV2_Midi_Message_Type = 160;
+#[doc = "< Controller"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_CONTROLLER: LV2_Midi_Message_Type = 176;
+#[doc = "< Program Change"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_PGM_CHANGE: LV2_Midi_Message_Type = 192;
+#[doc = "< Channel Pressure"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_CHANNEL_PRESSURE: LV2_Midi_Message_Type = 208;
+#[doc = "< Pitch Bender"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_BENDER: LV2_Midi_Message_Type = 224;
+#[doc = "< System Exclusive Begin"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_SYSTEM_EXCLUSIVE: LV2_Midi_Message_Type = 240;
+#[doc = "< MTC Quarter Frame"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_MTC_QUARTER: LV2_Midi_Message_Type = 241;
+#[doc = "< Song Position"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_SONG_POS: LV2_Midi_Message_Type = 242;
+#[doc = "< Song Select"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_SONG_SELECT: LV2_Midi_Message_Type = 243;
+#[doc = "< Tune Request"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_TUNE_REQUEST: LV2_Midi_Message_Type = 246;
+#[doc = "< Clock"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_CLOCK: LV2_Midi_Message_Type = 248;
+#[doc = "< Start"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_START: LV2_Midi_Message_Type = 250;
+#[doc = "< Continue"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_CONTINUE: LV2_Midi_Message_Type = 251;
+#[doc = "< Stop"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_STOP: LV2_Midi_Message_Type = 252;
+#[doc = "< Active Sensing"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_ACTIVE_SENSE: LV2_Midi_Message_Type = 254;
+#[doc = "< Reset"]
+pub const LV2_Midi_Message_Type_LV2_MIDI_MSG_RESET: LV2_Midi_Message_Type = 255;
+#[doc = "MIDI Message Type."]
+#[doc = ""]
+#[doc = "This includes both voice messages (which have a channel) and system messages"]
+#[doc = "(which do not), as well as a sentinel value for invalid messages. To get"]
+#[doc = "the type of a message suitable for use in a switch statement, use"]
+#[doc = "lv2_midi_get_type() on the status byte."]
+pub type LV2_Midi_Message_Type = u32;
+#[doc = "< Bank Selection"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MSB_BANK: LV2_Midi_Controller = 0;
+#[doc = "< Modulation"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MSB_MODWHEEL: LV2_Midi_Controller = 1;
+#[doc = "< Breath"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MSB_BREATH: LV2_Midi_Controller = 2;
+#[doc = "< Foot"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MSB_FOOT: LV2_Midi_Controller = 4;
+#[doc = "< Portamento Time"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MSB_PORTAMENTO_TIME: LV2_Midi_Controller = 5;
+#[doc = "< Data Entry"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MSB_DATA_ENTRY: LV2_Midi_Controller = 6;
+#[doc = "< Main Volume"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MSB_MAIN_VOLUME: LV2_Midi_Controller = 7;
+#[doc = "< Balance"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MSB_BALANCE: LV2_Midi_Controller = 8;
+#[doc = "< Panpot"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MSB_PAN: LV2_Midi_Controller = 10;
+#[doc = "< Expression"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MSB_EXPRESSION: LV2_Midi_Controller = 11;
+#[doc = "< Effect1"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MSB_EFFECT1: LV2_Midi_Controller = 12;
+#[doc = "< Effect2"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MSB_EFFECT2: LV2_Midi_Controller = 13;
+#[doc = "< General Purpose 1"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MSB_GENERAL_PURPOSE1: LV2_Midi_Controller = 16;
+#[doc = "< General Purpose 2"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MSB_GENERAL_PURPOSE2: LV2_Midi_Controller = 17;
+#[doc = "< General Purpose 3"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MSB_GENERAL_PURPOSE3: LV2_Midi_Controller = 18;
+#[doc = "< General Purpose 4"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MSB_GENERAL_PURPOSE4: LV2_Midi_Controller = 19;
+#[doc = "< Bank Selection"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LSB_BANK: LV2_Midi_Controller = 32;
+#[doc = "< Modulation"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LSB_MODWHEEL: LV2_Midi_Controller = 33;
+#[doc = "< Breath"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LSB_BREATH: LV2_Midi_Controller = 34;
+#[doc = "< Foot"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LSB_FOOT: LV2_Midi_Controller = 36;
+#[doc = "< Portamento Time"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LSB_PORTAMENTO_TIME: LV2_Midi_Controller = 37;
+#[doc = "< Data Entry"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LSB_DATA_ENTRY: LV2_Midi_Controller = 38;
+#[doc = "< Main Volume"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LSB_MAIN_VOLUME: LV2_Midi_Controller = 39;
+#[doc = "< Balance"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LSB_BALANCE: LV2_Midi_Controller = 40;
+#[doc = "< Panpot"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LSB_PAN: LV2_Midi_Controller = 42;
+#[doc = "< Expression"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LSB_EXPRESSION: LV2_Midi_Controller = 43;
+#[doc = "< Effect1"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LSB_EFFECT1: LV2_Midi_Controller = 44;
+#[doc = "< Effect2"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LSB_EFFECT2: LV2_Midi_Controller = 45;
+#[doc = "< General Purpose 1"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LSB_GENERAL_PURPOSE1: LV2_Midi_Controller = 48;
+#[doc = "< General Purpose 2"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LSB_GENERAL_PURPOSE2: LV2_Midi_Controller = 49;
+#[doc = "< General Purpose 3"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LSB_GENERAL_PURPOSE3: LV2_Midi_Controller = 50;
+#[doc = "< General Purpose 4"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LSB_GENERAL_PURPOSE4: LV2_Midi_Controller = 51;
+#[doc = "< Sustain Pedal"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_SUSTAIN: LV2_Midi_Controller = 64;
+#[doc = "< Portamento"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_PORTAMENTO: LV2_Midi_Controller = 65;
+#[doc = "< Sostenuto"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_SOSTENUTO: LV2_Midi_Controller = 66;
+#[doc = "< Soft Pedal"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_SOFT_PEDAL: LV2_Midi_Controller = 67;
+#[doc = "< Legato Foot Switch"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LEGATO_FOOTSWITCH: LV2_Midi_Controller = 68;
+#[doc = "< Hold2"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_HOLD2: LV2_Midi_Controller = 69;
+#[doc = "< SC1 Sound Variation"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_SC1_SOUND_VARIATION: LV2_Midi_Controller = 70;
+#[doc = "< SC2 Timbre"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_SC2_TIMBRE: LV2_Midi_Controller = 71;
+#[doc = "< SC3 Release Time"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_SC3_RELEASE_TIME: LV2_Midi_Controller = 72;
+#[doc = "< SC4 Attack Time"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_SC4_ATTACK_TIME: LV2_Midi_Controller = 73;
+#[doc = "< SC5 Brightness"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_SC5_BRIGHTNESS: LV2_Midi_Controller = 74;
+#[doc = "< SC6"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_SC6: LV2_Midi_Controller = 75;
+#[doc = "< SC7"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_SC7: LV2_Midi_Controller = 76;
+#[doc = "< SC8"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_SC8: LV2_Midi_Controller = 77;
+#[doc = "< SC9"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_SC9: LV2_Midi_Controller = 78;
+#[doc = "< SC10"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_SC10: LV2_Midi_Controller = 79;
+#[doc = "< General Purpose 5"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_GENERAL_PURPOSE5: LV2_Midi_Controller = 80;
+#[doc = "< General Purpose 6"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_GENERAL_PURPOSE6: LV2_Midi_Controller = 81;
+#[doc = "< General Purpose 7"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_GENERAL_PURPOSE7: LV2_Midi_Controller = 82;
+#[doc = "< General Purpose 8"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_GENERAL_PURPOSE8: LV2_Midi_Controller = 83;
+#[doc = "< Portamento Control"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_PORTAMENTO_CONTROL: LV2_Midi_Controller = 84;
+#[doc = "< E1 Reverb Depth"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_E1_REVERB_DEPTH: LV2_Midi_Controller = 91;
+#[doc = "< E2 Tremolo Depth"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_E2_TREMOLO_DEPTH: LV2_Midi_Controller = 92;
+#[doc = "< E3 Chorus Depth"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_E3_CHORUS_DEPTH: LV2_Midi_Controller = 93;
+#[doc = "< E4 Detune Depth"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_E4_DETUNE_DEPTH: LV2_Midi_Controller = 94;
+#[doc = "< E5 Phaser Depth"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_E5_PHASER_DEPTH: LV2_Midi_Controller = 95;
+#[doc = "< Data Increment"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_DATA_INCREMENT: LV2_Midi_Controller = 96;
+#[doc = "< Data Decrement"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_DATA_DECREMENT: LV2_Midi_Controller = 97;
+#[doc = "< Non-registered Parameter Number"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_NRPN_LSB: LV2_Midi_Controller = 98;
+#[doc = "< Non-registered Parameter Number"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_NRPN_MSB: LV2_Midi_Controller = 99;
+#[doc = "< Registered Parameter Number"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_RPN_LSB: LV2_Midi_Controller = 100;
+#[doc = "< Registered Parameter Number"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_RPN_MSB: LV2_Midi_Controller = 101;
+#[doc = "< All Sounds Off"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_ALL_SOUNDS_OFF: LV2_Midi_Controller = 120;
+#[doc = "< Reset Controllers"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_RESET_CONTROLLERS: LV2_Midi_Controller = 121;
+#[doc = "< Local Control Switch"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_LOCAL_CONTROL_SWITCH: LV2_Midi_Controller = 122;
+#[doc = "< All Notes Off"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_ALL_NOTES_OFF: LV2_Midi_Controller = 123;
+#[doc = "< Omni Off"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_OMNI_OFF: LV2_Midi_Controller = 124;
+#[doc = "< Omni On"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_OMNI_ON: LV2_Midi_Controller = 125;
+#[doc = "< Mono1"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MONO1: LV2_Midi_Controller = 126;
+#[doc = "< Mono2"]
+pub const LV2_Midi_Controller_LV2_MIDI_CTL_MONO2: LV2_Midi_Controller = 127;
+#[doc = "Standard MIDI Controller Numbers."]
+pub type LV2_Midi_Controller = u32;
+#[doc = "This option applies to the instance itself. The subject must be"]
+#[doc = "ignored."]
+pub const LV2_Options_Context_LV2_OPTIONS_INSTANCE: LV2_Options_Context = 0;
+#[doc = "This option applies to some named resource. The subject is a URI mapped"]
+#[doc = "to an integer (a LV2_URID, like the key)"]
+pub const LV2_Options_Context_LV2_OPTIONS_RESOURCE: LV2_Options_Context = 1;
+#[doc = "This option applies to some blank node. The subject is a blank node"]
+#[doc = "identifier, which is valid only within the current local scope."]
+pub const LV2_Options_Context_LV2_OPTIONS_BLANK: LV2_Options_Context = 2;
+#[doc = "This option applies to a port on the instance. The subject is the"]
+#[doc = "port's index."]
+pub const LV2_Options_Context_LV2_OPTIONS_PORT: LV2_Options_Context = 3;
+#[doc = "The context of an Option, which defines the subject it applies to."]
+pub type LV2_Options_Context = u32;
+#[doc = "An option."]
+#[doc = ""]
+#[doc = "This is a property with a subject, also known as a triple or statement."]
+#[doc = ""]
+#[doc = "This struct is useful anywhere a statement needs to be passed where no"]
+#[doc = "memory ownership issues are present (since the value is a const pointer)."]
+#[doc = ""]
+#[doc = "Options can be passed to an instance via the feature LV2_OPTIONS__options"]
+#[doc = "with data pointed to an array of options terminated by a zeroed option, or"]
+#[doc = "accessed/manipulated using LV2_Options_Interface."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Options_Option {
+ #[doc = "< Context (type of subject)."]
+ pub context: LV2_Options_Context,
+ #[doc = "< Subject."]
+ pub subject: u32,
+ #[doc = "< Key (property)."]
+ pub key: LV2_URID,
+ #[doc = "< Size of value in bytes."]
+ pub size: u32,
+ #[doc = "< Type of value (datatype)."]
+ pub type_: LV2_URID,
+ #[doc = "< Pointer to value (object)."]
+ pub value: *const ::std::os::raw::c_void,
+}
+#[doc = "< Completed successfully."]
+pub const LV2_Options_Status_LV2_OPTIONS_SUCCESS: LV2_Options_Status = 0;
+#[doc = "< Unknown error."]
+pub const LV2_Options_Status_LV2_OPTIONS_ERR_UNKNOWN: LV2_Options_Status = 1;
+#[doc = "< Invalid/unsupported subject."]
+pub const LV2_Options_Status_LV2_OPTIONS_ERR_BAD_SUBJECT: LV2_Options_Status = 2;
+#[doc = "< Invalid/unsupported key."]
+pub const LV2_Options_Status_LV2_OPTIONS_ERR_BAD_KEY: LV2_Options_Status = 4;
+#[doc = "< Invalid/unsupported value."]
+pub const LV2_Options_Status_LV2_OPTIONS_ERR_BAD_VALUE: LV2_Options_Status = 8;
+#[doc = " A status code for option functions."]
+pub type LV2_Options_Status = u32;
+#[doc = "Interface for dynamically setting options (LV2_OPTIONS__interface)."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Options_Interface {
+ #[doc = "Get the given options."]
+ #[doc = ""]
+ #[doc = "Each element of the passed options array MUST have type, subject, and"]
+ #[doc = "key set. All other fields (size, type, value) MUST be initialised to"]
+ #[doc = "zero, and are set to the option value if such an option is found."]
+ #[doc = ""]
+ #[doc = "This function is in the \"instantiation\" LV2 threading class, so no other"]
+ #[doc = "instance functions may be called concurrently."]
+ #[doc = ""]
+ #[doc = "@return Bitwise OR of LV2_Options_Status values."]
+ pub get: ::std::option::Option<
+ unsafe extern "C" fn(instance: LV2_Handle, options: *mut LV2_Options_Option) -> u32,
+ >,
+ #[doc = "Set the given options."]
+ #[doc = ""]
+ #[doc = "This function is in the \"instantiation\" LV2 threading class, so no other"]
+ #[doc = "instance functions may be called concurrently."]
+ #[doc = ""]
+ #[doc = "@return Bitwise OR of LV2_Options_Status values."]
+ pub set: ::std::option::Option<
+ unsafe extern "C" fn(instance: LV2_Handle, options: *const LV2_Options_Option) -> u32,
+ >,
+}
+#[doc = "< Completed successfully."]
+pub const LV2_Resize_Port_Status_LV2_RESIZE_PORT_SUCCESS: LV2_Resize_Port_Status = 0;
+#[doc = "< Unknown error."]
+pub const LV2_Resize_Port_Status_LV2_RESIZE_PORT_ERR_UNKNOWN: LV2_Resize_Port_Status = 1;
+#[doc = "< Insufficient space."]
+pub const LV2_Resize_Port_Status_LV2_RESIZE_PORT_ERR_NO_SPACE: LV2_Resize_Port_Status = 2;
+#[doc = " A status code for state functions."]
+pub type LV2_Resize_Port_Status = u32;
+#[doc = " Opaque data for resize method."]
+pub type LV2_Resize_Port_Feature_Data = *mut ::std::os::raw::c_void;
+#[doc = " Host feature to allow plugins to resize their port buffers."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Resize_Port_Resize {
+ #[doc = " Opaque data for resize method."]
+ pub data: LV2_Resize_Port_Feature_Data,
+ #[doc = "Resize a port buffer to at least `size` bytes."]
+ #[doc = ""]
+ #[doc = "This function MAY return an error, in which case the port buffer was not"]
+ #[doc = "resized and the port is still connected to the same location. Plugins"]
+ #[doc = "MUST gracefully handle this situation."]
+ #[doc = ""]
+ #[doc = "This function is in the audio threading class."]
+ #[doc = ""]
+ #[doc = "The host MUST preserve the contents of the port buffer when resizing."]
+ #[doc = ""]
+ #[doc = "Plugins MAY resize a port many times in a single run callback. Hosts"]
+ #[doc = "SHOULD make this as inexpensive as possible."]
+ pub resize: ::std::option::Option<
+ unsafe extern "C" fn(
+ data: LV2_Resize_Port_Feature_Data,
+ index: u32,
+ size: usize,
+ ) -> LV2_Resize_Port_Status,
+ >,
+}
+pub type LV2_State_Handle = *mut ::std::os::raw::c_void;
+pub type LV2_State_Free_Path_Handle = *mut ::std::os::raw::c_void;
+pub type LV2_State_Map_Path_Handle = *mut ::std::os::raw::c_void;
+pub type LV2_State_Make_Path_Handle = *mut ::std::os::raw::c_void;
+impl LV2_State_Flags {
+ #[doc = "Plain Old Data."]
+ #[doc = ""]
+ #[doc = "Values with this flag contain no pointers or references to other areas"]
+ #[doc = "of memory. It is safe to copy POD values with a simple memcpy and store"]
+ #[doc = "them for the duration of the process. A POD value is not necessarily"]
+ #[doc = "safe to trasmit between processes or machines (for example, filenames"]
+ #[doc = "are POD), see LV2_STATE_IS_PORTABLE for details."]
+ #[doc = ""]
+ #[doc = "Implementations MUST NOT attempt to copy or serialise a non-POD value if"]
+ #[doc = "they do not understand its type (and thus know how to correctly do so)."]
+ pub const LV2_STATE_IS_POD: LV2_State_Flags = LV2_State_Flags(1);
+}
+impl LV2_State_Flags {
+ #[doc = "Portable (architecture independent) data."]
+ #[doc = ""]
+ #[doc = "Values with this flag are in a format that is usable on any"]
+ #[doc = "architecture. A portable value saved on one machine can be restored on"]
+ #[doc = "another machine regardless of architecture. The format of portable"]
+ #[doc = "values MUST NOT depend on architecture-specific properties like"]
+ #[doc = "endianness or alignment. Portable values MUST NOT contain filenames."]
+ pub const LV2_STATE_IS_PORTABLE: LV2_State_Flags = LV2_State_Flags(2);
+}
+impl LV2_State_Flags {
+ #[doc = "Native data."]
+ #[doc = ""]
+ #[doc = "This flag is used by the host to indicate that the saved data is only"]
+ #[doc = "going to be used locally in the currently running process (for things"]
+ #[doc = "like instance duplication or snapshots), so the plugin should use the"]
+ #[doc = "most efficient representation possible and not worry about serialisation"]
+ #[doc = "and portability."]
+ pub const LV2_STATE_IS_NATIVE: LV2_State_Flags = LV2_State_Flags(4);
+}
+impl ::std::ops::BitOr for LV2_State_Flags {
+ type Output = Self;
+ #[inline]
+ fn bitor(self, other: Self) -> Self {
+ LV2_State_Flags(self.0 | other.0)
+ }
+}
+impl ::std::ops::BitOrAssign for LV2_State_Flags {
+ #[inline]
+ fn bitor_assign(&mut self, rhs: LV2_State_Flags) {
+ self.0 |= rhs.0;
+ }
+}
+impl ::std::ops::BitAnd for LV2_State_Flags {
+ type Output = Self;
+ #[inline]
+ fn bitand(self, other: Self) -> Self {
+ LV2_State_Flags(self.0 & other.0)
+ }
+}
+impl ::std::ops::BitAndAssign for LV2_State_Flags {
+ #[inline]
+ fn bitand_assign(&mut self, rhs: LV2_State_Flags) {
+ self.0 &= rhs.0;
+ }
+}
+#[repr(transparent)]
+#[doc = "Flags describing value characteristics."]
+#[doc = ""]
+#[doc = "These flags are used along with the value's type URI to determine how to"]
+#[doc = "(de-)serialise the value data, or whether it is even possible to do so."]
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct LV2_State_Flags(pub u32);
+#[doc = "< Completed successfully."]
+pub const LV2_State_Status_LV2_STATE_SUCCESS: LV2_State_Status = 0;
+#[doc = "< Unknown error."]
+pub const LV2_State_Status_LV2_STATE_ERR_UNKNOWN: LV2_State_Status = 1;
+#[doc = "< Failed due to unsupported type."]
+pub const LV2_State_Status_LV2_STATE_ERR_BAD_TYPE: LV2_State_Status = 2;
+#[doc = "< Failed due to unsupported flags."]
+pub const LV2_State_Status_LV2_STATE_ERR_BAD_FLAGS: LV2_State_Status = 3;
+#[doc = "< Failed due to missing features."]
+pub const LV2_State_Status_LV2_STATE_ERR_NO_FEATURE: LV2_State_Status = 4;
+#[doc = "< Failed due to missing property."]
+pub const LV2_State_Status_LV2_STATE_ERR_NO_PROPERTY: LV2_State_Status = 5;
+#[doc = "< Failed due to insufficient space."]
+pub const LV2_State_Status_LV2_STATE_ERR_NO_SPACE: LV2_State_Status = 6;
+#[doc = " A status code for state functions."]
+pub type LV2_State_Status = u32;
+#[doc = "A host-provided function to store a property."]
+#[doc = "@param handle Must be the handle passed to LV2_State_Interface.save()."]
+#[doc = "@param key The key to store `value` under (URID)."]
+#[doc = "@param value Pointer to the value to be stored."]
+#[doc = "@param size The size of `value` in bytes."]
+#[doc = "@param type The type of `value` (URID)."]
+#[doc = "@param flags LV2_State_Flags for `value`."]
+#[doc = "@return 0 on success, otherwise a non-zero error code."]
+#[doc = ""]
+#[doc = "The host passes a callback of this type to LV2_State_Interface.save(). This"]
+#[doc = "callback is called repeatedly by the plugin to store all the properties that"]
+#[doc = "describe its current state."]
+#[doc = ""]
+#[doc = "DO NOT INVENT NONSENSE URI SCHEMES FOR THE KEY. Best is to use keys from"]
+#[doc = "existing vocabularies. If nothing appropriate is available, use http URIs"]
+#[doc = "that point to somewhere you can host documents so documentation can be made"]
+#[doc = "resolvable (typically a child of the plugin or project URI). If this is not"]
+#[doc = "possible, invent a URN scheme, e.g. urn:myproj:whatever. The plugin MUST"]
+#[doc = "NOT pass an invalid URI key."]
+#[doc = ""]
+#[doc = "The host MAY fail to store a property for whatever reason, but SHOULD"]
+#[doc = "store any property that is LV2_STATE_IS_POD and LV2_STATE_IS_PORTABLE."]
+#[doc = "Implementations SHOULD use the types from the LV2 Atom extension"]
+#[doc = "(http://lv2plug.in/ns/ext/atom) wherever possible. The plugin SHOULD"]
+#[doc = "attempt to fall-back and avoid the error if possible."]
+#[doc = ""]
+#[doc = "Note that `size` MUST be > 0, and `value` MUST point to a valid region of"]
+#[doc = "memory `size` bytes long (this is required to make restore unambiguous)."]
+#[doc = ""]
+#[doc = "The plugin MUST NOT attempt to use this function outside of the"]
+#[doc = "LV2_State_Interface.restore() context."]
+pub type LV2_State_Store_Function = ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2_State_Handle,
+ key: u32,
+ value: *const ::std::os::raw::c_void,
+ size: usize,
+ type_: u32,
+ flags: u32,
+ ) -> LV2_State_Status,
+>;
+#[doc = "A host-provided function to retrieve a property."]
+#[doc = "@param handle Must be the handle passed to LV2_State_Interface.restore()."]
+#[doc = "@param key The key of the property to retrieve (URID)."]
+#[doc = "@param size (Output) If non-NULL, set to the size of the restored value."]
+#[doc = "@param type (Output) If non-NULL, set to the type of the restored value."]
+#[doc = "@param flags (Output) If non-NULL, set to the flags for the restored value."]
+#[doc = "@return A pointer to the restored value (object), or NULL if no value"]
+#[doc = "has been stored under `key`."]
+#[doc = ""]
+#[doc = "A callback of this type is passed by the host to"]
+#[doc = "LV2_State_Interface.restore(). This callback is called repeatedly by the"]
+#[doc = "plugin to retrieve any properties it requires to restore its state."]
+#[doc = ""]
+#[doc = "The returned value MUST remain valid until LV2_State_Interface.restore()"]
+#[doc = "returns. The plugin MUST NOT attempt to use this function, or any value"]
+#[doc = "returned from it, outside of the LV2_State_Interface.restore() context."]
+pub type LV2_State_Retrieve_Function = ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2_State_Handle,
+ key: u32,
+ size: *mut usize,
+ type_: *mut u32,
+ flags: *mut u32,
+ ) -> *const ::std::os::raw::c_void,
+>;
+#[doc = "LV2 Plugin State Interface."]
+#[doc = ""]
+#[doc = "When the plugin's extension_data is called with argument"]
+#[doc = "LV2_STATE__interface, the plugin MUST return an LV2_State_Interface"]
+#[doc = "structure, which remains valid for the lifetime of the plugin."]
+#[doc = ""]
+#[doc = "The host can use the contained function pointers to save and restore the"]
+#[doc = "state of a plugin instance at any time, provided the threading restrictions"]
+#[doc = "of the functions are met."]
+#[doc = ""]
+#[doc = "Stored data is only guaranteed to be compatible between instances of plugins"]
+#[doc = "with the same URI (i.e. if a change to a plugin would cause a fatal error"]
+#[doc = "when restoring state saved by a previous version of that plugin, the plugin"]
+#[doc = "URI MUST change just as it must when ports change incompatibly). Plugin"]
+#[doc = "authors should consider this possibility, and always store sensible data"]
+#[doc = "with meaningful types to avoid such problems in the future."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_State_Interface {
+ #[doc = "Save plugin state using a host-provided `store` callback."]
+ #[doc = ""]
+ #[doc = "@param instance The instance handle of the plugin."]
+ #[doc = "@param store The host-provided store callback."]
+ #[doc = "@param handle An opaque pointer to host data which MUST be passed as the"]
+ #[doc = "handle parameter to `store` if it is called."]
+ #[doc = "@param flags Flags describing desired properties of this save. These"]
+ #[doc = "flags may be used to determine the most appropriate values to store."]
+ #[doc = "@param features Extensible parameter for passing any additional"]
+ #[doc = "features to be used for this save."]
+ #[doc = ""]
+ #[doc = "The plugin is expected to store everything necessary to completely"]
+ #[doc = "restore its state later. Plugins SHOULD store simple POD data whenever"]
+ #[doc = "possible, and consider the possibility of state being restored much"]
+ #[doc = "later on a different machine."]
+ #[doc = ""]
+ #[doc = "The `handle` pointer and `store` function MUST NOT be used"]
+ #[doc = "beyond the scope of save()."]
+ #[doc = ""]
+ #[doc = "This function has its own special threading class: it may not be called"]
+ #[doc = "concurrently with any \"Instantiation\" function, but it may be called"]
+ #[doc = "concurrently with functions in any other class, unless the definition of"]
+ #[doc = "that class prohibits it (for example, it may not be called concurrently"]
+ #[doc = "with a \"Discovery\" function, but it may be called concurrently with an"]
+ #[doc = "\"Audio\" function. The plugin is responsible for any locking or"]
+ #[doc = "lock-free techniques necessary to make this possible."]
+ #[doc = ""]
+ #[doc = "Note that in the simple case where state is only modified by restore(),"]
+ #[doc = "there are no synchronization issues since save() is never called"]
+ #[doc = "concurrently with restore() (though run() may read it during a save)."]
+ #[doc = ""]
+ #[doc = "Plugins that dynamically modify state while running, however, must take"]
+ #[doc = "care to do so in such a way that a concurrent call to save() will save a"]
+ #[doc = "consistent representation of plugin state for a single instant in time."]
+ pub save: ::std::option::Option<
+ unsafe extern "C" fn(
+ instance: LV2_Handle,
+ store: LV2_State_Store_Function,
+ handle: LV2_State_Handle,
+ flags: u32,
+ features: *const *const LV2_Feature,
+ ) -> LV2_State_Status,
+ >,
+ #[doc = "Restore plugin state using a host-provided `retrieve` callback."]
+ #[doc = ""]
+ #[doc = "@param instance The instance handle of the plugin."]
+ #[doc = "@param retrieve The host-provided retrieve callback."]
+ #[doc = "@param handle An opaque pointer to host data which MUST be passed as the"]
+ #[doc = "handle parameter to `retrieve` if it is called."]
+ #[doc = "@param flags Currently unused."]
+ #[doc = "@param features Extensible parameter for passing any additional"]
+ #[doc = "features to be used for this restore."]
+ #[doc = ""]
+ #[doc = "The plugin MAY assume a restored value was set by a previous call to"]
+ #[doc = "LV2_State_Interface.save() by a plugin with the same URI."]
+ #[doc = ""]
+ #[doc = "The plugin MUST gracefully fall back to a default value when a value can"]
+ #[doc = "not be retrieved. This allows the host to reset the plugin state with"]
+ #[doc = "an empty map."]
+ #[doc = ""]
+ #[doc = "The `handle` pointer and `store` function MUST NOT be used"]
+ #[doc = "beyond the scope of restore()."]
+ #[doc = ""]
+ #[doc = "This function is in the \"Instantiation\" threading class as defined by"]
+ #[doc = "LV2. This means it MUST NOT be called concurrently with any other"]
+ #[doc = "function on the same plugin instance."]
+ pub restore: ::std::option::Option<
+ unsafe extern "C" fn(
+ instance: LV2_Handle,
+ retrieve: LV2_State_Retrieve_Function,
+ handle: LV2_State_Handle,
+ flags: u32,
+ features: *const *const LV2_Feature,
+ ) -> LV2_State_Status,
+ >,
+}
+#[doc = "Feature data for state:mapPath (@ref LV2_STATE__mapPath)."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_State_Map_Path {
+ #[doc = "Opaque host data."]
+ pub handle: LV2_State_Map_Path_Handle,
+ #[doc = "Map an absolute path to an abstract path for use in plugin state."]
+ #[doc = "@param handle MUST be the `handle` member of this struct."]
+ #[doc = "@param absolute_path The absolute path of a file."]
+ #[doc = "@return An abstract path suitable for use in plugin state."]
+ #[doc = ""]
+ #[doc = "The plugin MUST use this function to map any paths that will be stored"]
+ #[doc = "in plugin state. The returned value is an abstract path which MAY not"]
+ #[doc = "be an actual file system path; absolute_path() MUST be used to map"]
+ #[doc = "it to an actual path in order to use the file."]
+ #[doc = ""]
+ #[doc = "Plugins MUST NOT make any assumptions about abstract paths except that"]
+ #[doc = "they can be mapped back to the absolute path of the \"same\" file (though"]
+ #[doc = "not necessarily the same original path) using absolute_path()."]
+ #[doc = ""]
+ #[doc = "This function may only be called within the context of"]
+ #[doc = "LV2_State_Interface methods. The caller must free the returned value"]
+ #[doc = "with LV2_State_Free_Path.free_path()."]
+ pub abstract_path: ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2_State_Map_Path_Handle,
+ absolute_path: *const ::std::os::raw::c_char,
+ ) -> *mut ::std::os::raw::c_char,
+ >,
+ #[doc = "Map an abstract path from plugin state to an absolute path."]
+ #[doc = "@param handle MUST be the `handle` member of this struct."]
+ #[doc = "@param abstract_path An abstract path (typically from plugin state)."]
+ #[doc = "@return An absolute file system path."]
+ #[doc = ""]
+ #[doc = "The plugin MUST use this function in order to actually open or otherwise"]
+ #[doc = "use any paths loaded from plugin state."]
+ #[doc = ""]
+ #[doc = "This function may only be called within the context of"]
+ #[doc = "LV2_State_Interface methods. The caller must free the returned value"]
+ #[doc = "with LV2_State_Free_Path.free_path()."]
+ pub absolute_path: ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2_State_Map_Path_Handle,
+ abstract_path: *const ::std::os::raw::c_char,
+ ) -> *mut ::std::os::raw::c_char,
+ >,
+}
+#[doc = "Feature data for state:makePath (@ref LV2_STATE__makePath)."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_State_Make_Path {
+ #[doc = "Opaque host data."]
+ pub handle: LV2_State_Make_Path_Handle,
+ #[doc = "Return a path the plugin may use to create a new file."]
+ #[doc = "@param handle MUST be the `handle` member of this struct."]
+ #[doc = "@param path The path of the new file within a namespace unique to this"]
+ #[doc = "plugin instance."]
+ #[doc = "@return The absolute path to use for the new file."]
+ #[doc = ""]
+ #[doc = "This function can be used by plugins to create files and directories,"]
+ #[doc = "either at state saving time (if this feature is passed to"]
+ #[doc = "LV2_State_Interface.save()) or any time (if this feature is passed to"]
+ #[doc = "LV2_Descriptor.instantiate())."]
+ #[doc = ""]
+ #[doc = "The host MUST do whatever is necessary for the plugin to be able to"]
+ #[doc = "create a file at the returned path (for example, using fopen()),"]
+ #[doc = "including creating any leading directories."]
+ #[doc = ""]
+ #[doc = "If this function is passed to LV2_Descriptor.instantiate(), it may be"]
+ #[doc = "called from any non-realtime context. If it is passed to"]
+ #[doc = "LV2_State_Interface.save(), it may only be called within the dynamic"]
+ #[doc = "scope of that function call."]
+ #[doc = ""]
+ #[doc = "The caller must free the returned value with"]
+ #[doc = "LV2_State_Free_Path.free_path()."]
+ pub path: ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2_State_Make_Path_Handle,
+ path: *const ::std::os::raw::c_char,
+ ) -> *mut ::std::os::raw::c_char,
+ >,
+}
+#[doc = "Feature data for state:freePath (@ref LV2_STATE__freePath)."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_State_Free_Path {
+ #[doc = "Opaque host data."]
+ pub handle: LV2_State_Free_Path_Handle,
+ #[doc = "Free a path returned by a state feature."]
+ #[doc = ""]
+ #[doc = "@param handle MUST be the `handle` member of this struct."]
+ #[doc = "@param path The path previously returned by a state feature."]
+ #[doc = ""]
+ #[doc = "This function can be used by plugins to free paths allocated by the host"]
+ #[doc = "and returned by state features (LV2_State_Map_Path.abstract_path(),"]
+ #[doc = "LV2_State_Map_Path.absolute_path(), and LV2_State_Make_Path.path())."]
+ pub free_path: ::std::option::Option<
+ unsafe extern "C" fn(handle: LV2_State_Free_Path_Handle, path: *mut ::std::os::raw::c_char),
+ >,
+}
+#[doc = "A pointer to some widget or other type of UI handle."]
+#[doc = ""]
+#[doc = "The actual type is defined by the type of the UI."]
+pub type LV2UI_Widget = *mut ::std::os::raw::c_void;
+#[doc = "A pointer to UI instance internals."]
+#[doc = ""]
+#[doc = "The host may compare this to NULL, but otherwise MUST NOT interpret it."]
+pub type LV2UI_Handle = *mut ::std::os::raw::c_void;
+#[doc = "A pointer to a controller provided by the host."]
+#[doc = ""]
+#[doc = "The UI may compare this to NULL, but otherwise MUST NOT interpret it."]
+pub type LV2UI_Controller = *mut ::std::os::raw::c_void;
+#[doc = "A pointer to opaque data for a feature."]
+pub type LV2UI_Feature_Handle = *mut ::std::os::raw::c_void;
+#[doc = "A host-provided function that sends data to a plugin's input ports."]
+#[doc = ""]
+#[doc = "@param controller The opaque controller pointer passed to"]
+#[doc = "LV2UI_Descriptor::instantiate()."]
+#[doc = ""]
+#[doc = "@param port_index Index of the port to update."]
+#[doc = ""]
+#[doc = "@param buffer Buffer containing `buffer_size` bytes of data."]
+#[doc = ""]
+#[doc = "@param buffer_size Size of `buffer` in bytes."]
+#[doc = ""]
+#[doc = "@param port_protocol Either 0 or the URID for a ui:PortProtocol. If 0, the"]
+#[doc = "protocol is implicitly ui:floatProtocol, the port MUST be an lv2:ControlPort"]
+#[doc = "input, `buffer` MUST point to a single float value, and `buffer_size` MUST"]
+#[doc = "be sizeof(float). The UI SHOULD NOT use a protocol not supported by the"]
+#[doc = "host, but the host MUST gracefully ignore any protocol it does not"]
+#[doc = "understand."]
+pub type LV2UI_Write_Function = ::std::option::Option<
+ unsafe extern "C" fn(
+ controller: LV2UI_Controller,
+ port_index: u32,
+ buffer_size: u32,
+ port_protocol: u32,
+ buffer: *const ::std::os::raw::c_void,
+ ),
+>;
+#[doc = "A plugin UI."]
+#[doc = ""]
+#[doc = "A pointer to an object of this type is returned by the lv2ui_descriptor()"]
+#[doc = "function."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2UI_Descriptor {
+ #[doc = "The URI for this UI (not for the plugin it controls)."]
+ pub URI: *const ::std::os::raw::c_char,
+ #[doc = "Create a new UI and return a handle to it. This function works"]
+ #[doc = "similarly to LV2_Descriptor::instantiate()."]
+ #[doc = ""]
+ #[doc = "@param descriptor The descriptor for the UI to instantiate."]
+ #[doc = ""]
+ #[doc = "@param plugin_uri The URI of the plugin that this UI will control."]
+ #[doc = ""]
+ #[doc = "@param bundle_path The path to the bundle containing this UI, including"]
+ #[doc = "the trailing directory separator."]
+ #[doc = ""]
+ #[doc = "@param write_function A function that the UI can use to send data to the"]
+ #[doc = "plugin's input ports."]
+ #[doc = ""]
+ #[doc = "@param controller A handle for the UI instance to be passed as the"]
+ #[doc = "first parameter of UI methods."]
+ #[doc = ""]
+ #[doc = "@param widget (output) widget pointer. The UI points this at its main"]
+ #[doc = "widget, which has the type defined by the UI type in the data file."]
+ #[doc = ""]
+ #[doc = "@param features An array of LV2_Feature pointers. The host must pass"]
+ #[doc = "all feature URIs that it and the UI supports and any additional data, as"]
+ #[doc = "in LV2_Descriptor::instantiate(). Note that UI features and plugin"]
+ #[doc = "features are not necessarily the same."]
+ #[doc = ""]
+ pub instantiate: ::std::option::Option<
+ unsafe extern "C" fn(
+ descriptor: *const LV2UI_Descriptor,
+ plugin_uri: *const ::std::os::raw::c_char,
+ bundle_path: *const ::std::os::raw::c_char,
+ write_function: LV2UI_Write_Function,
+ controller: LV2UI_Controller,
+ widget: *mut LV2UI_Widget,
+ features: *const *const LV2_Feature,
+ ) -> LV2UI_Handle,
+ >,
+ #[doc = "Destroy the UI. The host must not try to access the widget after"]
+ #[doc = "calling this function."]
+ pub cleanup: ::std::option::Option,
+ #[doc = "Tell the UI that something interesting has happened at a plugin port."]
+ #[doc = ""]
+ #[doc = "What is \"interesting\" and how it is written to `buffer` is defined by"]
+ #[doc = "`format`, which has the same meaning as in LV2UI_Write_Function()."]
+ #[doc = "Format 0 is a special case for lv2:ControlPort, where this function"]
+ #[doc = "should be called when the port value changes (but not necessarily for"]
+ #[doc = "every change), `buffer_size` must be sizeof(float), and `buffer`"]
+ #[doc = "points to a single IEEE-754 float."]
+ #[doc = ""]
+ #[doc = "By default, the host should only call this function for lv2:ControlPort"]
+ #[doc = "inputs. However, the UI can request updates for other ports statically"]
+ #[doc = "with ui:portNotification or dynamicaly with ui:portSubscribe."]
+ #[doc = ""]
+ #[doc = "The UI MUST NOT retain any reference to `buffer` after this function"]
+ #[doc = "returns, it is only valid for the duration of the call."]
+ #[doc = ""]
+ #[doc = "This member may be NULL if the UI is not interested in any port events."]
+ pub port_event: ::std::option::Option<
+ unsafe extern "C" fn(
+ ui: LV2UI_Handle,
+ port_index: u32,
+ buffer_size: u32,
+ format: u32,
+ buffer: *const ::std::os::raw::c_void,
+ ),
+ >,
+ #[doc = "Return a data structure associated with an extension URI, typically an"]
+ #[doc = "interface struct with additional function pointers"]
+ #[doc = ""]
+ #[doc = "This member may be set to NULL if the UI is not interested in supporting"]
+ #[doc = "any extensions. This is similar to LV2_Descriptor::extension_data()."]
+ #[doc = ""]
+ pub extension_data: ::std::option::Option<
+ unsafe extern "C" fn(uri: *const ::std::os::raw::c_char) -> *const ::std::os::raw::c_void,
+ >,
+}
+#[doc = "Feature/interface for resizable UIs (LV2_UI__resize)."]
+#[doc = ""]
+#[doc = "This structure is used in two ways: as a feature passed by the host via"]
+#[doc = "LV2UI_Descriptor::instantiate(), or as an interface provided by a UI via"]
+#[doc = "LV2UI_Descriptor::extension_data())."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2UI_Resize {
+ #[doc = "Pointer to opaque data which must be passed to ui_resize()."]
+ pub handle: LV2UI_Feature_Handle,
+ #[doc = "Request/advertise a size change."]
+ #[doc = ""]
+ #[doc = "When provided by the host, the UI may call this function to inform the"]
+ #[doc = "host about the size of the UI."]
+ #[doc = ""]
+ #[doc = "When provided by the UI, the host may call this function to notify the"]
+ #[doc = "UI that it should change its size accordingly. In this case, the host"]
+ #[doc = "must pass the LV2UI_Handle to provide access to the UI instance."]
+ #[doc = ""]
+ #[doc = "@return 0 on success."]
+ pub ui_resize: ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2UI_Feature_Handle,
+ width: ::std::os::raw::c_int,
+ height: ::std::os::raw::c_int,
+ ) -> ::std::os::raw::c_int,
+ >,
+}
+#[doc = "Feature to map port symbols to UIs."]
+#[doc = ""]
+#[doc = "This can be used by the UI to get the index for a port with the given"]
+#[doc = "symbol. This makes it possible to implement and distribute a UI separately"]
+#[doc = "from the plugin (since symbol, unlike index, is a stable port identifier)."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2UI_Port_Map {
+ #[doc = "Pointer to opaque data which must be passed to port_index()."]
+ pub handle: LV2UI_Feature_Handle,
+ #[doc = "Get the index for the port with the given `symbol`."]
+ #[doc = ""]
+ #[doc = "@return The index of the port, or LV2UI_INVALID_PORT_INDEX if no such"]
+ #[doc = "port is found."]
+ pub port_index: ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2UI_Feature_Handle,
+ symbol: *const ::std::os::raw::c_char,
+ ) -> u32,
+ >,
+}
+#[doc = "Feature to subscribe to port updates (LV2_UI__portSubscribe)."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2UI_Port_Subscribe {
+ #[doc = "Pointer to opaque data which must be passed to subscribe() and"]
+ #[doc = "unsubscribe()."]
+ pub handle: LV2UI_Feature_Handle,
+ #[doc = "Subscribe to updates for a port."]
+ #[doc = ""]
+ #[doc = "This means that the host will call the UI's port_event() function when"]
+ #[doc = "the port value changes (as defined by protocol)."]
+ #[doc = ""]
+ #[doc = "Calling this function with the same `port_index` and `port_protocol`"]
+ #[doc = "as an already active subscription has no effect."]
+ #[doc = ""]
+ #[doc = "@param handle The handle field of this struct."]
+ #[doc = "@param port_index The index of the port."]
+ #[doc = "@param port_protocol The URID of the ui:PortProtocol."]
+ #[doc = "@param features Features for this subscription."]
+ #[doc = "@return 0 on success."]
+ pub subscribe: ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2UI_Feature_Handle,
+ port_index: u32,
+ port_protocol: u32,
+ features: *const *const LV2_Feature,
+ ) -> u32,
+ >,
+ #[doc = "Unsubscribe from updates for a port."]
+ #[doc = ""]
+ #[doc = "This means that the host will cease calling calling port_event() when"]
+ #[doc = "the port value changes."]
+ #[doc = ""]
+ #[doc = "Calling this function with a `port_index` and `port_protocol` that"]
+ #[doc = "does not refer to an active port subscription has no effect."]
+ #[doc = ""]
+ #[doc = "@param handle The handle field of this struct."]
+ #[doc = "@param port_index The index of the port."]
+ #[doc = "@param port_protocol The URID of the ui:PortProtocol."]
+ #[doc = "@param features Features for this subscription."]
+ #[doc = "@return 0 on success."]
+ pub unsubscribe: ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2UI_Feature_Handle,
+ port_index: u32,
+ port_protocol: u32,
+ features: *const *const LV2_Feature,
+ ) -> u32,
+ >,
+}
+#[doc = "A feature to notify the host that the user has grabbed a UI control."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2UI_Touch {
+ #[doc = "Pointer to opaque data which must be passed to ui_resize()."]
+ pub handle: LV2UI_Feature_Handle,
+ #[doc = "Notify the host that a control has been grabbed or released."]
+ #[doc = ""]
+ #[doc = "The host should cease automating the port or otherwise manipulating the"]
+ #[doc = "port value until the control has been ungrabbed."]
+ #[doc = ""]
+ #[doc = "@param handle The handle field of this struct."]
+ #[doc = "@param port_index The index of the port associated with the control."]
+ #[doc = "@param grabbed If true, the control has been grabbed, otherwise the"]
+ #[doc = "control has been released."]
+ pub touch: ::std::option::Option<
+ unsafe extern "C" fn(handle: LV2UI_Feature_Handle, port_index: u32, grabbed: bool),
+ >,
+}
+#[doc = "Completed successfully."]
+#[doc = ""]
+#[doc = "The host will set the parameter later if the user choses a new value."]
+pub const LV2UI_Request_Value_Status_LV2UI_REQUEST_VALUE_SUCCESS: LV2UI_Request_Value_Status = 0;
+#[doc = "Parameter already being requested."]
+#[doc = ""]
+#[doc = "The host is already requesting a parameter from the user (for example, a"]
+#[doc = "dialog is visible), or the UI is otherwise busy and can not make this"]
+#[doc = "request."]
+pub const LV2UI_Request_Value_Status_LV2UI_REQUEST_VALUE_BUSY: LV2UI_Request_Value_Status = 1;
+#[doc = "Unknown parameter."]
+#[doc = ""]
+#[doc = "The host is not aware of this parameter, and is not able to set a new"]
+#[doc = "value for it."]
+pub const LV2UI_Request_Value_Status_LV2UI_REQUEST_VALUE_ERR_UNKNOWN: LV2UI_Request_Value_Status =
+ 2;
+#[doc = "Unsupported parameter."]
+#[doc = ""]
+#[doc = "The host knows about this parameter, but does not support requesting a"]
+#[doc = "new value for it from the user. This is likely because the host does"]
+#[doc = "not have UI support for choosing a value with the appropriate type."]
+pub const LV2UI_Request_Value_Status_LV2UI_REQUEST_VALUE_ERR_UNSUPPORTED:
+ LV2UI_Request_Value_Status = 3;
+#[doc = "A status code for LV2UI_Request_Value::request()."]
+pub type LV2UI_Request_Value_Status = u32;
+#[doc = "A feature to request a new parameter value from the host."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2UI_Request_Value {
+ #[doc = "Pointer to opaque data which must be passed to request()."]
+ pub handle: LV2UI_Feature_Handle,
+ #[doc = "Request a value for a parameter from the host."]
+ #[doc = ""]
+ #[doc = "This is mainly used by UIs to request values for complex parameters that"]
+ #[doc = "don't change often, such as file paths, but it may be used to request"]
+ #[doc = "any parameter value."]
+ #[doc = ""]
+ #[doc = "This function returns immediately, and the return value indicates"]
+ #[doc = "whether the host can fulfill the request. The host may notify the"]
+ #[doc = "plugin about the new parameter value, for example when a file is"]
+ #[doc = "selected by the user, via the usual mechanism. Typically, the host will"]
+ #[doc = "send a message to the plugin that sets the new parameter value, and the"]
+ #[doc = "plugin will notify the UI via a message as usual for any other parameter"]
+ #[doc = "change."]
+ #[doc = ""]
+ #[doc = "To provide an appropriate UI, the host can determine details about the"]
+ #[doc = "parameter from the plugin data as usual. The additional parameters of"]
+ #[doc = "this function provide support for more advanced use cases, but in the"]
+ #[doc = "simple common case, the plugin will simply pass the key of the desired"]
+ #[doc = "parameter and zero for everything else."]
+ #[doc = ""]
+ #[doc = "@param handle The handle field of this struct."]
+ #[doc = ""]
+ #[doc = "@param key The URID of the parameter."]
+ #[doc = ""]
+ #[doc = "@param type The optional type of the value to request. This can be used"]
+ #[doc = "to request a specific value type for parameters that support several."]
+ #[doc = "If non-zero, it must be the URID of an instance of rdfs:Class or"]
+ #[doc = "rdfs:Datatype."]
+ #[doc = ""]
+ #[doc = "@param features Additional features for this request, or NULL."]
+ #[doc = ""]
+ #[doc = "@return A status code which is 0 on success."]
+ pub request: ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2UI_Feature_Handle,
+ key: LV2_URID,
+ type_: LV2_URID,
+ features: *const *const LV2_Feature,
+ ) -> LV2UI_Request_Value_Status,
+ >,
+}
+#[doc = "UI Idle Interface (LV2_UI__idleInterface)"]
+#[doc = ""]
+#[doc = "UIs can provide this interface to have an idle() callback called by the host"]
+#[doc = "rapidly to update the UI."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2UI_Idle_Interface {
+ #[doc = "Run a single iteration of the UI's idle loop."]
+ #[doc = ""]
+ #[doc = "This will be called rapidly in the UI thread at a rate appropriate"]
+ #[doc = "for a toolkit main loop. There are no precise timing guarantees, but"]
+ #[doc = "the host should attempt to call idle() at a high enough rate for smooth"]
+ #[doc = "animation, at least 30Hz."]
+ #[doc = ""]
+ #[doc = "@return non-zero if the UI has been closed, in which case the host"]
+ #[doc = "should stop calling idle(), and can either completely destroy the UI, or"]
+ #[doc = "re-show it and resume calling idle()."]
+ pub idle:
+ ::std::option::Option ::std::os::raw::c_int>,
+}
+#[doc = "UI Show Interface (LV2_UI__showInterface)"]
+#[doc = ""]
+#[doc = "UIs can provide this interface to show and hide a window, which allows them"]
+#[doc = "to function in hosts unable to embed their widget. This allows any UI to"]
+#[doc = "provide a fallback for embedding that works in any host."]
+#[doc = ""]
+#[doc = "If used:"]
+#[doc = "- The host MUST use LV2UI_Idle_Interface to drive the UI."]
+#[doc = "- The UI MUST return non-zero from LV2UI_Idle_Interface::idle() when it has been closed."]
+#[doc = "- If idle() returns non-zero, the host MUST call hide() and stop calling"]
+#[doc = "idle(). It MAY later call show() then resume calling idle()."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2UI_Show_Interface {
+ #[doc = "Show a window for this UI."]
+ #[doc = ""]
+ #[doc = "The window title MAY have been passed by the host to"]
+ #[doc = "LV2UI_Descriptor::instantiate() as an LV2_Options_Option with key"]
+ #[doc = "LV2_UI__windowTitle."]
+ #[doc = ""]
+ #[doc = "@return 0 on success, or anything else to stop being called."]
+ pub show:
+ ::std::option::Option ::std::os::raw::c_int>,
+ #[doc = "Hide the window for this UI."]
+ #[doc = ""]
+ #[doc = "@return 0 on success, or anything else to stop being called."]
+ pub hide:
+ ::std::option::Option ::std::os::raw::c_int>,
+}
+#[doc = "Peak data for a slice of time, the update format for ui:peakProtocol."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2UI_Peak_Data {
+ #[doc = "The start of the measurement period. This is just a running counter"]
+ #[doc = "that is only meaningful in comparison to previous values and must not be"]
+ #[doc = "interpreted as an absolute time."]
+ pub period_start: u32,
+ #[doc = "The size of the measurement period, in the same units as period_start."]
+ pub period_size: u32,
+ #[doc = "The peak value for the measurement period. This should be the maximal"]
+ #[doc = "value for abs(sample) over all the samples in the period."]
+ pub peak: f32,
+}
+#[doc = "The type of the lv2ui_descriptor() function."]
+pub type LV2UI_DescriptorFunction =
+ ::std::option::Option *const LV2UI_Descriptor>;
+#[doc = "Opaque pointer to host data."]
+pub type LV2_URI_Map_Callback_Data = *mut ::std::os::raw::c_void;
+#[doc = "URI Map Feature."]
+#[doc = ""]
+#[doc = "To support this feature the host must pass an LV2_Feature struct to the"]
+#[doc = "plugin's instantiate method with URI \"http://lv2plug.in/ns/ext/uri-map\""]
+#[doc = "and data pointed to an instance of this struct."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_URI_Map_Feature {
+ #[doc = "Opaque pointer to host data."]
+ #[doc = ""]
+ #[doc = "The plugin MUST pass this to any call to functions in this struct."]
+ #[doc = "Otherwise, it must not be interpreted in any way."]
+ pub callback_data: LV2_URI_Map_Callback_Data,
+ #[doc = "Get the numeric ID of a URI from the host."]
+ #[doc = ""]
+ #[doc = "@param callback_data Must be the callback_data member of this struct."]
+ #[doc = "@param map The 'context' of this URI. Certain extensions may define a"]
+ #[doc = "URI that must be passed here with certain restrictions on the return"]
+ #[doc = "value (e.g. limited range). This value may be NULL if the plugin needs"]
+ #[doc = "an ID for a URI in general. Extensions SHOULD NOT define a context"]
+ #[doc = "unless there is a specific need to do so, e.g. to restrict the range of"]
+ #[doc = "the returned value."]
+ #[doc = "@param uri The URI to be mapped to an integer ID."]
+ #[doc = ""]
+ #[doc = "This function is referentially transparent; any number of calls with the"]
+ #[doc = "same arguments is guaranteed to return the same value over the life of a"]
+ #[doc = "plugin instance (though the same URI may return different values with a"]
+ #[doc = "different map parameter). However, this function is not necessarily very"]
+ #[doc = "fast: plugins SHOULD cache any IDs they might need in performance"]
+ #[doc = "critical situations."]
+ #[doc = ""]
+ #[doc = "The return value 0 is reserved and indicates that an ID for that URI"]
+ #[doc = "could not be created for whatever reason. Extensions MAY define more"]
+ #[doc = "precisely what this means in a certain context, but in general plugins"]
+ #[doc = "SHOULD handle this situation as gracefully as possible. However, hosts"]
+ #[doc = "SHOULD NOT return 0 from this function in non-exceptional circumstances"]
+ #[doc = "(e.g. the URI map SHOULD be dynamic). Hosts that statically support only"]
+ #[doc = "a fixed set of URIs should not expect plugins to function correctly."]
+ pub uri_to_id: ::std::option::Option<
+ unsafe extern "C" fn(
+ callback_data: LV2_URI_Map_Callback_Data,
+ map: *const ::std::os::raw::c_char,
+ uri: *const ::std::os::raw::c_char,
+ ) -> u32,
+ >,
+}
+#[doc = "< Completed successfully."]
+pub const LV2_Worker_Status_LV2_WORKER_SUCCESS: LV2_Worker_Status = 0;
+#[doc = "< Unknown error."]
+pub const LV2_Worker_Status_LV2_WORKER_ERR_UNKNOWN: LV2_Worker_Status = 1;
+#[doc = "< Failed due to lack of space."]
+pub const LV2_Worker_Status_LV2_WORKER_ERR_NO_SPACE: LV2_Worker_Status = 2;
+#[doc = "Status code for worker functions."]
+pub type LV2_Worker_Status = u32;
+#[doc = " Opaque handle for LV2_Worker_Interface::work()."]
+pub type LV2_Worker_Respond_Handle = *mut ::std::os::raw::c_void;
+#[doc = "A function to respond to run() from the worker method."]
+#[doc = ""]
+#[doc = "The `data` MUST be safe for the host to copy and later pass to"]
+#[doc = "work_response(), and the host MUST guarantee that it will be eventually"]
+#[doc = "passed to work_response() if this function returns LV2_WORKER_SUCCESS."]
+pub type LV2_Worker_Respond_Function = ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2_Worker_Respond_Handle,
+ size: u32,
+ data: *const ::std::os::raw::c_void,
+ ) -> LV2_Worker_Status,
+>;
+#[doc = "Plugin Worker Interface."]
+#[doc = ""]
+#[doc = "This is the interface provided by the plugin to implement a worker method."]
+#[doc = "The plugin's extension_data() method should return an LV2_Worker_Interface"]
+#[doc = "when called with LV2_WORKER__interface as its argument."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Worker_Interface {
+ #[doc = "The worker method. This is called by the host in a non-realtime context"]
+ #[doc = "as requested, possibly with an arbitrary message to handle."]
+ #[doc = ""]
+ #[doc = "A response can be sent to run() using `respond`. The plugin MUST NOT"]
+ #[doc = "make any assumptions about which thread calls this method, except that"]
+ #[doc = "there are no real-time requirements and only one call may be executed at"]
+ #[doc = "a time. That is, the host MAY call this method from any non-real-time"]
+ #[doc = "thread, but MUST NOT make concurrent calls to this method from several"]
+ #[doc = "threads."]
+ #[doc = ""]
+ #[doc = "@param instance The LV2 instance this is a method on."]
+ #[doc = "@param respond A function for sending a response to run()."]
+ #[doc = "@param handle Must be passed to `respond` if it is called."]
+ #[doc = "@param size The size of `data`."]
+ #[doc = "@param data Data from run(), or NULL."]
+ pub work: ::std::option::Option<
+ unsafe extern "C" fn(
+ instance: LV2_Handle,
+ respond: LV2_Worker_Respond_Function,
+ handle: LV2_Worker_Respond_Handle,
+ size: u32,
+ data: *const ::std::os::raw::c_void,
+ ) -> LV2_Worker_Status,
+ >,
+ #[doc = "Handle a response from the worker. This is called by the host in the"]
+ #[doc = "run() context when a response from the worker is ready."]
+ #[doc = ""]
+ #[doc = "@param instance The LV2 instance this is a method on."]
+ #[doc = "@param size The size of `body`."]
+ #[doc = "@param body Message body, or NULL."]
+ pub work_response: ::std::option::Option<
+ unsafe extern "C" fn(
+ instance: LV2_Handle,
+ size: u32,
+ body: *const ::std::os::raw::c_void,
+ ) -> LV2_Worker_Status,
+ >,
+ #[doc = "Called when all responses for this cycle have been delivered."]
+ #[doc = ""]
+ #[doc = "Since work_response() may be called after run() finished, this provides"]
+ #[doc = "a hook for code that must run after the cycle is completed."]
+ #[doc = ""]
+ #[doc = "This field may be NULL if the plugin has no use for it. Otherwise, the"]
+ #[doc = "host MUST call it after every run(), regardless of whether or not any"]
+ #[doc = "responses were sent that cycle."]
+ pub end_run:
+ ::std::option::Option LV2_Worker_Status>,
+}
+#[doc = " Opaque handle for LV2_Worker_Schedule."]
+pub type LV2_Worker_Schedule_Handle = *mut ::std::os::raw::c_void;
+#[doc = "Schedule Worker Host Feature."]
+#[doc = ""]
+#[doc = "The host passes this feature to provide a schedule_work() function, which"]
+#[doc = "the plugin can use to schedule a worker call from run()."]
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct LV2_Worker_Schedule {
+ #[doc = "Opaque host data."]
+ pub handle: LV2_Worker_Schedule_Handle,
+ #[doc = "Request from run() that the host call the worker."]
+ #[doc = ""]
+ #[doc = "This function is in the audio threading class. It should be called from"]
+ #[doc = "run() to request that the host call the work() method in a non-realtime"]
+ #[doc = "context with the given arguments."]
+ #[doc = ""]
+ #[doc = "This function is always safe to call from run(), but it is not"]
+ #[doc = "guaranteed that the worker is actually called from a different thread."]
+ #[doc = "In particular, when free-wheeling (for example, during offline"]
+ #[doc = "rendering), the worker may be executed immediately. This allows"]
+ #[doc = "single-threaded processing with sample accuracy and avoids timing"]
+ #[doc = "problems when run() is executing much faster or slower than real-time."]
+ #[doc = ""]
+ #[doc = "Plugins SHOULD be written in such a way that if the worker runs"]
+ #[doc = "immediately, and responses from the worker are delivered immediately,"]
+ #[doc = "the effect of the work takes place immediately with sample accuracy."]
+ #[doc = ""]
+ #[doc = "The `data` MUST be safe for the host to copy and later pass to work(),"]
+ #[doc = "and the host MUST guarantee that it will be eventually passed to work()"]
+ #[doc = "if this function returns LV2_WORKER_SUCCESS."]
+ #[doc = ""]
+ #[doc = "@param handle The handle field of this struct."]
+ #[doc = "@param size The size of `data`."]
+ #[doc = "@param data Message to pass to work(), or NULL."]
+ pub schedule_work: ::std::option::Option<
+ unsafe extern "C" fn(
+ handle: LV2_Worker_Schedule_Handle,
+ size: u32,
+ data: *const ::std::os::raw::c_void,
+ ) -> LV2_Worker_Status,
+ >,
+}
+pub type __builtin_va_list = __va_list;
+#[repr(C)]
+#[derive(Debug, Copy, Clone)]
+pub struct __va_list {
+ pub gp_offset: ::std::os::raw::c_uint,
+ pub fp_offset: ::std::os::raw::c_uint,
+ pub overflow_arg_area: *mut ::std::os::raw::c_void,
+ pub reg_save_area: *mut ::std::os::raw::c_void,
+}