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Diffstat (limited to 'libs/distrho/src/lv2/atom.h')
| -rw-r--r-- | libs/distrho/src/lv2/atom.h | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/libs/distrho/src/lv2/atom.h b/libs/distrho/src/lv2/atom.h deleted file mode 100644 index 91c4fa3..0000000 --- a/libs/distrho/src/lv2/atom.h +++ /dev/null @@ -1,246 +0,0 @@ -/* - Copyright 2008-2012 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. -*/ - -/** - @file atom.h C header for the LV2 Atom extension - <http://lv2plug.in/ns/ext/atom>. -*/ - -#ifndef LV2_ATOM_H -#define LV2_ATOM_H - -#include <stdint.h> -#include <stddef.h> - -#define LV2_ATOM_URI "http://lv2plug.in/ns/ext/atom" -#define LV2_ATOM_PREFIX LV2_ATOM_URI "#" - -#define LV2_ATOM__Atom LV2_ATOM_PREFIX "Atom" -#define LV2_ATOM__AtomPort LV2_ATOM_PREFIX "AtomPort" -#define LV2_ATOM__Blank LV2_ATOM_PREFIX "Blank" -#define LV2_ATOM__Bool LV2_ATOM_PREFIX "Bool" -#define LV2_ATOM__Chunk LV2_ATOM_PREFIX "Chunk" -#define LV2_ATOM__Double LV2_ATOM_PREFIX "Double" -#define LV2_ATOM__Event LV2_ATOM_PREFIX "Event" -#define LV2_ATOM__Float LV2_ATOM_PREFIX "Float" -#define LV2_ATOM__Int LV2_ATOM_PREFIX "Int" -#define LV2_ATOM__Literal LV2_ATOM_PREFIX "Literal" -#define LV2_ATOM__Long LV2_ATOM_PREFIX "Long" -#define LV2_ATOM__Number LV2_ATOM_PREFIX "Number" -#define LV2_ATOM__Object LV2_ATOM_PREFIX "Object" -#define LV2_ATOM__Path LV2_ATOM_PREFIX "Path" -#define LV2_ATOM__Property LV2_ATOM_PREFIX "Property" -#define LV2_ATOM__Resource LV2_ATOM_PREFIX "Resource" -#define LV2_ATOM__Sequence LV2_ATOM_PREFIX "Sequence" -#define LV2_ATOM__Sound LV2_ATOM_PREFIX "Sound" -#define LV2_ATOM__String LV2_ATOM_PREFIX "String" -#define LV2_ATOM__Tuple LV2_ATOM_PREFIX "Tuple" -#define LV2_ATOM__URI LV2_ATOM_PREFIX "URI" -#define LV2_ATOM__URID LV2_ATOM_PREFIX "URID" -#define LV2_ATOM__Vector LV2_ATOM_PREFIX "Vector" -#define LV2_ATOM__atomTransfer LV2_ATOM_PREFIX "atomTransfer" -#define LV2_ATOM__beatTime LV2_ATOM_PREFIX "beatTime" -#define LV2_ATOM__bufferType LV2_ATOM_PREFIX "bufferType" -#define LV2_ATOM__childType LV2_ATOM_PREFIX "childType" -#define LV2_ATOM__eventTransfer LV2_ATOM_PREFIX "eventTransfer" -#define LV2_ATOM__frameTime LV2_ATOM_PREFIX "frameTime" -#define LV2_ATOM__supports LV2_ATOM_PREFIX "supports" -#define LV2_ATOM__timeUnit LV2_ATOM_PREFIX "timeUnit" - -#define LV2_ATOM_REFERENCE_TYPE 0 - -#ifdef __cplusplus -extern "C" { -#endif - -/** 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]; - -/** - 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 */ |