ladspa.vapi

[CCode (cheader_filename = "ladspa.h,ladspa-vala.h", cprefix = "LADSPA_")]
namespace LADSPA
{
    public struct Data : float
    {
    }

    [CCode (cprefix = "LADSPA_PROPERTY_", cname = "int")]
    [Flags]
    public enum Properties
    {
        REALTIME,
        INPLACE_BROKEN,
        HARD_RT_CAPABLE;
    }

    [CCode (cprefix = "LADSPA_PORT_", cname = "int")]
    [Flags]
    public enum PortDescriptor
    {
        INPUT,
        OUTPUT,
        CONTROL,
        AUDIO;
    }

    [CCode (cprefix = "LADSPA_HINT_", cname = "int")]
    [Flags]
    public enum PortRangeHintDescriptor
    {
        BOUNDED_BELOW,
        BOUNDED_ABOVE,
        TOGGLED,
        SAMPLE_RATE,
        LOGARITHMIC,
        INTEGER,
        DEFAULT_MASK,
        DEFAULT_NONE,
        DEFAULT_MINIMUM,
        DEFAULT_LOW,
        DEFAULT_MIDDLE,
        DEFAULT_HIGH,
        DEFAULT_MAXIMUM,
        DEFAULT_0,
        DEFAULT_100,
        DEFAULT_440;
    }

    public struct PortRangeHint
    {
        [CCode (cname = "HintDescriptor")]
        public PortRangeHintDescriptor descriptor;
        [CCode (cname = "LowerBound")]
        public Data lower_bound;
        [CCode (cname = "UpperBound")]
        public Data upper_bound;

    }

    [Compact]
    [CCode (free_function = "ladspa_handle_dummy_free")]
    public class Handle
    {
    }

    [CCode (cname = "LADSPA_Instantiate_Function", has_target = false)]
    public delegate Handle? InstantiateFunc(Descriptor descriptor, ulong sample_rate);

    [CCode (cname = "LADSPA_Connect_Port_Function", has_target = false)]
    public delegate void ConnectPortFunc(Handle instance, ulong port, Data data_location);

    [CCode (cname = "LADSPA_Activate_Function", has_target = false)]
    public delegate void ActivateFunc(Handle instance);

    [CCode (cname = "LADSPA_Run_Function", has_target = false)]
    public delegate void RunFunc(Handle instance, ulong sample_count);

    [CCode (cname = "LADSPA_Run_Adding_Function", has_target = false)]
    public delegate void RunAddingFunc(Handle instance, ulong sample_count);

    [CCode (cname = "LADSPA_Set_Run_Adding_Gain_Function", has_target = false)]
    public delegate void SetRunAddingGainFunc(Handle instance, Data gain);

    [CCode (cname = "LADSPA_Deactivate_Function", has_target = false)]
    public delegate void DeactivateFunc(Handle instance);

    [CCode (cname = "LADSPA_Cleanup_Function", has_target = false)]
    public delegate void CleanupFunc(owned Handle instance);

    [Compact, Immutable]
    public class Descriptor
    {
        [CCode (cname = "UniqueID")]
        public ulong unique_id;
        [CCode (cname = "Label")]
        public unowned string label;
        [CCode (cname = "Properties")]
        public Properties properties;
        [CCode (cname = "Name")]
        public unowned string name;
        [CCode (cname = "Maker")]
        public unowned string maker;
        [CCode (cname = "Copyright")]
        public unowned string copyright;

        [CCode (cname = "PortDescriptors", array_length_cname = "PortCount", array_length_type = "unsigned long")]
        public PortDescriptor[] port_descriptors;

        [CCode (cname = "PortNames", array_length_cname = "PortCount", array_length_type = "unsigned long")]
        public unowned string[] port_names;

        [CCode (cname = "PortRangeHints", array_length_cname = "PortCount", array_length_type = "unsigned long")]
        public PortRangeHint[] port_range_hints;

        public InstantiateFunc? instantiate;
        public ConnectPortFunc? connect_port;
        public ActivateFunc? activate;
        public RunFunc? run;
        public RunAddingFunc? run_adding;
        public SetRunAddingGainFunc? set_run_adding_gain;
        public DeactivateFunc? deactivate;
        public CleanupFunc? cleanup;
    }

    public unowned Descriptor? descriptor(ulong index);

    [CCode (cname = "LADSPA_Descriptor_Function", has_target = false)]
    public delegate Descriptor? DescriptorFunc(ulong index);
}