--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DPF-Prymula-audioplugins/dpf/distrho/src/lv2/atom.h	Mon Oct 16 21:53:34 2023 +0200
@@ -0,0 +1,256 @@
+/*
+  Copyright 2008-2016 David Robillard <http://drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+/**
+   @defgroup atom Atom
+
+   A generic value container and several data types, see
+   <http://lv2plug.in/ns/ext/atom> for details.
+
+   @{
+*/
+
+#ifndef LV2_ATOM_H
+#define LV2_ATOM_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+#define LV2_ATOM_URI    "http://lv2plug.in/ns/ext/atom"  ///< http://lv2plug.in/ns/ext/atom
+#define LV2_ATOM_PREFIX LV2_ATOM_URI "#"                 ///< http://lv2plug.in/ns/ext/atom#
+
+#define LV2_ATOM__Atom          LV2_ATOM_PREFIX "Atom"           ///< http://lv2plug.in/ns/ext/atom#Atom
+#define LV2_ATOM__AtomPort      LV2_ATOM_PREFIX "AtomPort"       ///< http://lv2plug.in/ns/ext/atom#AtomPort
+#define LV2_ATOM__Blank         LV2_ATOM_PREFIX "Blank"          ///< http://lv2plug.in/ns/ext/atom#Blank
+#define LV2_ATOM__Bool          LV2_ATOM_PREFIX "Bool"           ///< http://lv2plug.in/ns/ext/atom#Bool
+#define LV2_ATOM__Chunk         LV2_ATOM_PREFIX "Chunk"          ///< http://lv2plug.in/ns/ext/atom#Chunk
+#define LV2_ATOM__Double        LV2_ATOM_PREFIX "Double"         ///< http://lv2plug.in/ns/ext/atom#Double
+#define LV2_ATOM__Event         LV2_ATOM_PREFIX "Event"          ///< http://lv2plug.in/ns/ext/atom#Event
+#define LV2_ATOM__Float         LV2_ATOM_PREFIX "Float"          ///< http://lv2plug.in/ns/ext/atom#Float
+#define LV2_ATOM__Int           LV2_ATOM_PREFIX "Int"            ///< http://lv2plug.in/ns/ext/atom#Int
+#define LV2_ATOM__Literal       LV2_ATOM_PREFIX "Literal"        ///< http://lv2plug.in/ns/ext/atom#Literal
+#define LV2_ATOM__Long          LV2_ATOM_PREFIX "Long"           ///< http://lv2plug.in/ns/ext/atom#Long
+#define LV2_ATOM__Number        LV2_ATOM_PREFIX "Number"         ///< http://lv2plug.in/ns/ext/atom#Number
+#define LV2_ATOM__Object        LV2_ATOM_PREFIX "Object"         ///< http://lv2plug.in/ns/ext/atom#Object
+#define LV2_ATOM__Path          LV2_ATOM_PREFIX "Path"           ///< http://lv2plug.in/ns/ext/atom#Path
+#define LV2_ATOM__Property      LV2_ATOM_PREFIX "Property"       ///< http://lv2plug.in/ns/ext/atom#Property
+#define LV2_ATOM__Resource      LV2_ATOM_PREFIX "Resource"       ///< http://lv2plug.in/ns/ext/atom#Resource
+#define LV2_ATOM__Sequence      LV2_ATOM_PREFIX "Sequence"       ///< http://lv2plug.in/ns/ext/atom#Sequence
+#define LV2_ATOM__Sound         LV2_ATOM_PREFIX "Sound"          ///< http://lv2plug.in/ns/ext/atom#Sound
+#define LV2_ATOM__String        LV2_ATOM_PREFIX "String"         ///< http://lv2plug.in/ns/ext/atom#String
+#define LV2_ATOM__Tuple         LV2_ATOM_PREFIX "Tuple"          ///< http://lv2plug.in/ns/ext/atom#Tuple
+#define LV2_ATOM__URI           LV2_ATOM_PREFIX "URI"            ///< http://lv2plug.in/ns/ext/atom#URI
+#define LV2_ATOM__URID          LV2_ATOM_PREFIX "URID"           ///< http://lv2plug.in/ns/ext/atom#URID
+#define LV2_ATOM__Vector        LV2_ATOM_PREFIX "Vector"         ///< http://lv2plug.in/ns/ext/atom#Vector
+#define LV2_ATOM__atomTransfer  LV2_ATOM_PREFIX "atomTransfer"   ///< http://lv2plug.in/ns/ext/atom#atomTransfer
+#define LV2_ATOM__beatTime      LV2_ATOM_PREFIX "beatTime"       ///< http://lv2plug.in/ns/ext/atom#beatTime
+#define LV2_ATOM__bufferType    LV2_ATOM_PREFIX "bufferType"     ///< http://lv2plug.in/ns/ext/atom#bufferType
+#define LV2_ATOM__childType     LV2_ATOM_PREFIX "childType"      ///< http://lv2plug.in/ns/ext/atom#childType
+#define LV2_ATOM__eventTransfer LV2_ATOM_PREFIX "eventTransfer"  ///< http://lv2plug.in/ns/ext/atom#eventTransfer
+#define LV2_ATOM__frameTime     LV2_ATOM_PREFIX "frameTime"      ///< http://lv2plug.in/ns/ext/atom#frameTime
+#define LV2_ATOM__supports      LV2_ATOM_PREFIX "supports"       ///< http://lv2plug.in/ns/ext/atom#supports
+#define LV2_ATOM__timeUnit      LV2_ATOM_PREFIX "timeUnit"       ///< http://lv2plug.in/ns/ext/atom#timeUnit
+
+#define LV2_ATOM_REFERENCE_TYPE 0  ///< The special type for a reference atom
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** @cond */
+/** This expression will fail to compile if double does not fit in 64 bits. */
+typedef char lv2_atom_assert_double_fits_in_64_bits[
+	((sizeof(double) <= sizeof(uint64_t)) * 2) - 1];
+/** @endcond */
+
+/**
+   Return a pointer to the contents of an Atom.  The "contents" of an atom
+   is the data past the complete type-specific header.
+   @param type The type of the atom, e.g. LV2_Atom_String.
+   @param atom A variable-sized atom.
+*/
+#define LV2_ATOM_CONTENTS(type, atom) \
+	((uint8_t*)(atom) + sizeof(type))
+
+/**
+   Const version of LV2_ATOM_CONTENTS.
+*/
+#define LV2_ATOM_CONTENTS_CONST(type, atom) \
+	((const uint8_t*)(atom) + sizeof(type))
+
+/**
+   Return a pointer to the body of an Atom.  The "body" of an atom is the
+   data just past the LV2_Atom head (i.e. the same offset for all types).
+*/
+#define LV2_ATOM_BODY(atom) LV2_ATOM_CONTENTS(LV2_Atom, atom)
+
+/**
+   Const version of LV2_ATOM_BODY.
+*/
+#define LV2_ATOM_BODY_CONST(atom) LV2_ATOM_CONTENTS_CONST(LV2_Atom, atom)
+
+/** The header of an atom:Atom. */
+typedef struct {
+	uint32_t size;  /**< Size in bytes, not including type and size. */
+	uint32_t type;  /**< Type of this atom (mapped URI). */
+} LV2_Atom;
+
+/** An atom:Int or atom:Bool.  May be cast to LV2_Atom. */
+typedef struct {
+	LV2_Atom atom;  /**< Atom header. */
+	int32_t  body;  /**< Integer value. */
+} LV2_Atom_Int;
+
+/** An atom:Long.  May be cast to LV2_Atom. */
+typedef struct {
+	LV2_Atom atom;  /**< Atom header. */
+	int64_t  body;  /**< Integer value. */
+} LV2_Atom_Long;
+
+/** An atom:Float.  May be cast to LV2_Atom. */
+typedef struct {
+	LV2_Atom atom;  /**< Atom header. */
+	float    body;  /**< Floating point value. */
+} LV2_Atom_Float;
+
+/** An atom:Double.  May be cast to LV2_Atom. */
+typedef struct {
+	LV2_Atom atom;  /**< Atom header. */
+	double   body;  /**< Floating point value. */
+} LV2_Atom_Double;
+
+/** An atom:Bool.  May be cast to LV2_Atom. */
+typedef LV2_Atom_Int LV2_Atom_Bool;
+
+/** An atom:URID.  May be cast to LV2_Atom. */
+typedef struct {
+	LV2_Atom atom;  /**< Atom header. */
+	uint32_t body;  /**< URID. */
+} LV2_Atom_URID;
+
+/** An atom:String.  May be cast to LV2_Atom. */
+typedef struct {
+	LV2_Atom atom;  /**< Atom header. */
+	/* Contents (a null-terminated UTF-8 string) follow here. */
+} LV2_Atom_String;
+
+/** The body of an atom:Literal. */
+typedef struct {
+	uint32_t datatype;  /**< Datatype URID. */
+	uint32_t lang;      /**< Language URID. */
+	/* Contents (a null-terminated UTF-8 string) follow here. */
+} LV2_Atom_Literal_Body;
+
+/** An atom:Literal.  May be cast to LV2_Atom. */
+typedef struct {
+	LV2_Atom              atom;  /**< Atom header. */
+	LV2_Atom_Literal_Body body;  /**< Body. */
+} LV2_Atom_Literal;
+
+/** An atom:Tuple.  May be cast to LV2_Atom. */
+typedef struct {
+	LV2_Atom atom;  /**< Atom header. */
+	/* Contents (a series of complete atoms) follow here. */
+} LV2_Atom_Tuple;
+
+/** The body of an atom:Vector. */
+typedef struct {
+	uint32_t child_size;  /**< The size of each element in the vector. */
+	uint32_t child_type;  /**< The type of each element in the vector. */
+	/* Contents (a series of packed atom bodies) follow here. */
+} LV2_Atom_Vector_Body;
+
+/** An atom:Vector.  May be cast to LV2_Atom. */
+typedef struct {
+	LV2_Atom             atom;  /**< Atom header. */
+	LV2_Atom_Vector_Body body;  /**< Body. */
+} LV2_Atom_Vector;
+
+/** The body of an atom:Property (e.g. in an atom:Object). */
+typedef struct {
+	uint32_t key;      /**< Key (predicate) (mapped URI). */
+	uint32_t context;  /**< Context URID (may be, and generally is, 0). */
+	LV2_Atom value;    /**< Value atom header. */
+	/* Value atom body follows here. */
+} LV2_Atom_Property_Body;
+
+/** An atom:Property.  May be cast to LV2_Atom. */
+typedef struct {
+	LV2_Atom               atom;  /**< Atom header. */
+	LV2_Atom_Property_Body body;  /**< Body. */
+} LV2_Atom_Property;
+
+/** The body of an atom:Object. May be cast to LV2_Atom. */
+typedef struct {
+	uint32_t id;     /**< URID, or 0 for blank. */
+	uint32_t otype;  /**< Type URID (same as rdf:type, for fast dispatch). */
+	/* Contents (a series of property bodies) follow here. */
+} LV2_Atom_Object_Body;
+
+/** An atom:Object.  May be cast to LV2_Atom. */
+typedef struct {
+	LV2_Atom             atom;  /**< Atom header. */
+	LV2_Atom_Object_Body body;  /**< Body. */
+} LV2_Atom_Object;
+
+/** The header of an atom:Event.  Note this type is NOT an LV2_Atom. */
+typedef struct {
+	/** Time stamp.  Which type is valid is determined by context. */
+	union {
+		int64_t frames;  /**< Time in audio frames. */
+		double  beats;   /**< Time in beats. */
+	} time;
+	LV2_Atom body;  /**< Event body atom header. */
+	/* Body atom contents follow here. */
+} LV2_Atom_Event;
+
+/**
+   The body of an atom:Sequence (a sequence of events).
+
+   The unit field is either a URID that described an appropriate time stamp
+   type, or may be 0 where a default stamp type is known.  For
+   LV2_Descriptor::run(), the default stamp type is audio frames.
+
+   The contents of a sequence is a series of LV2_Atom_Event, each aligned
+   to 64-bits, e.g.:
+   <pre>
+   | Event 1 (size 6)                              | Event 2
+   |       |       |       |       |       |       |       |       |
+   | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
+   |FRAMES |SUBFRMS|TYPE   |SIZE   |DATADATADATAPAD|FRAMES |SUBFRMS|...
+   </pre>
+*/
+typedef struct {
+	uint32_t unit;  /**< URID of unit of event time stamps. */
+	uint32_t pad;   /**< Currently unused. */
+	/* Contents (a series of events) follow here. */
+} LV2_Atom_Sequence_Body;
+
+/** An atom:Sequence. */
+typedef struct {
+	LV2_Atom               atom;  /**< Atom header. */
+	LV2_Atom_Sequence_Body body;  /**< Body. */
+} LV2_Atom_Sequence;
+
+/**
+   @}
+*/
+
+#ifdef __cplusplus
+}  /* extern "C" */
+#endif
+
+#endif  /* LV2_ATOM_H */