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-rw-r--r--lv2/lv2plug.in/ns/ext/atom/atom-helpers.h7
-rw-r--r--lv2/lv2plug.in/ns/ext/atom/atom.h9
-rw-r--r--lv2/lv2plug.in/ns/ext/atom/atom.ttl13
-rw-r--r--lv2/lv2plug.in/ns/ext/atom/forge.h291
4 files changed, 158 insertions, 162 deletions
diff --git a/lv2/lv2plug.in/ns/ext/atom/atom-helpers.h b/lv2/lv2plug.in/ns/ext/atom/atom-helpers.h
index ae2eb43..3bfad57 100644
--- a/lv2/lv2plug.in/ns/ext/atom/atom-helpers.h
+++ b/lv2/lv2plug.in/ns/ext/atom/atom-helpers.h
@@ -45,6 +45,13 @@ lv2_atom_pad_size(uint32_t size)
return (size + 7) & (~7);
}
+/** Return the total size of @p atom, including the header. */
+static inline uint32_t
+lv2_atom_total_size(const LV2_Atom* atom)
+{
+ return sizeof(LV2_Atom) + atom->size;
+}
+
/** Return true iff @p atom is null. */
static inline bool
lv2_atom_is_null(const LV2_Atom* atom)
diff --git a/lv2/lv2plug.in/ns/ext/atom/atom.h b/lv2/lv2plug.in/ns/ext/atom/atom.h
index 5c0b3fd..fd0279c 100644
--- a/lv2/lv2plug.in/ns/ext/atom/atom.h
+++ b/lv2/lv2plug.in/ns/ext/atom/atom.h
@@ -96,16 +96,11 @@ typedef struct {
/* Contents (a null-terminated UTF-8 string) follow here. */
} LV2_Atom_String;
-/** The header of an atom:Literal body. */
+/** The complete header of an atom:Literal. */
typedef struct {
+ LV2_Atom atom; /**< Atom header. */
uint32_t datatype; /**< The ID of the datatype of this literal. */
uint32_t lang; /**< The ID of the language of this literal. */
-} LV2_Atom_Literal_Head;
-
-/** The complete header of an atom:Literal. */
-typedef struct {
- LV2_Atom atom; /**< Atom header. */
- LV2_Atom_Literal_Head literal; /**< Literal body header. */
/* Contents (a null-terminated UTF-8 string) follow here. */
} LV2_Atom_Literal;
diff --git a/lv2/lv2plug.in/ns/ext/atom/atom.ttl b/lv2/lv2plug.in/ns/ext/atom/atom.ttl
index 4d87ce5..9a396bf 100644
--- a/lv2/lv2plug.in/ns/ext/atom/atom.ttl
+++ b/lv2/lv2plug.in/ns/ext/atom/atom.ttl
@@ -484,3 +484,16 @@ described like so:</p>
] .
</pre>
""" .
+
+atom:eventTransfer
+ a <http://lv2plug.in/ns/ext/pui#PortProtocol> ;
+ lv2:documentation """
+<p>Transfer of individual events. Useful as the
+<code>format</code> for a LV2_UI_Write_Function, or the
+<code>port_protocol</code> for LV2_PUI_Host_Descriptor::write_port().</p>
+
+<p>This protocol applies to ports which contain events, usually in an
+atom:Sequence. The host must transfer each individual event to the recipient.
+The format of the received data is an LV2_Atom, there is no timestamp
+header.</p>
+""" . \ No newline at end of file
diff --git a/lv2/lv2plug.in/ns/ext/atom/forge.h b/lv2/lv2plug.in/ns/ext/atom/forge.h
index 78c7873..65ab352 100644
--- a/lv2/lv2plug.in/ns/ext/atom/forge.h
+++ b/lv2/lv2plug.in/ns/ext/atom/forge.h
@@ -47,13 +47,22 @@ extern "C" {
# include <stdbool.h>
#endif
+typedef void* LV2_Atom_Forge_Sink_Handle;
+
+typedef uint32_t (*LV2_Atom_Forge_Sink)(LV2_Atom_Forge_Sink_Handle handle,
+ const void* buf,
+ uint32_t size);
+
/**
A "forge" for creating atoms by appending to a buffer.
*/
typedef struct {
uint8_t* buf;
- size_t offset;
- size_t size;
+ uint32_t offset;
+ uint32_t size;
+
+ LV2_Atom_Forge_Sink sink;
+ LV2_Atom_Forge_Sink_Handle handle;
LV2_URID Blank;
LV2_URID Bool;
@@ -80,6 +89,17 @@ lv2_atom_forge_set_buffer(LV2_Atom_Forge* forge, uint8_t* buf, size_t size)
forge->offset = 0;
}
+static inline void
+lv2_atom_forge_set_sink(LV2_Atom_Forge* forge,
+ LV2_Atom_Forge_Sink sink,
+ LV2_Atom_Forge_Sink_Handle handle)
+{
+ forge->buf = NULL;
+ forge->size = forge->offset = 0;
+ forge->sink = sink;
+ forge->handle = handle;
+}
+
/**
Initialise @c forge.
@@ -106,43 +126,43 @@ lv2_atom_forge_init(LV2_Atom_Forge* forge, LV2_URID_Map* map)
forge->Vector = map->map(map->handle, LV2_ATOM_URI "#Vector");
}
-/**
- Reserve @c size bytes in the output buffer (used internally).
- @return The start of the reserved memory, or NULL if out of space.
-*/
-static inline uint8_t*
-lv2_atom_forge_reserve(LV2_Atom_Forge* forge,
- LV2_Atom* parent,
- uint32_t size)
+static inline void*
+lv2_atom_forge_write_nopad(LV2_Atom_Forge* forge,
+ LV2_Atom* parent,
+ const void* data,
+ uint32_t size)
{
- uint8_t* const out = forge->buf + forge->offset;
- const uint32_t padded_size = lv2_atom_pad_size(size);
- if (forge->offset + padded_size > forge->size) {
+ uint8_t* const out = forge->buf + forge->offset;
+ if (forge->offset + size > forge->size) {
return NULL;
}
if (parent) {
- parent->size += padded_size;
+ parent->size += size;
}
- forge->offset += padded_size;
+ forge->offset += size;
+ memcpy(out, data, size);
return out;
}
-/**
- Write the header of an atom:Atom.
+static inline void
+lv2_atom_forge_pad(LV2_Atom_Forge* forge,
+ LV2_Atom* parent,
+ uint32_t written)
+{
+ const uint64_t pad = 0;
+ const uint32_t pad_size = lv2_atom_pad_size(written) - written;
+ lv2_atom_forge_write_nopad(forge, parent, &pad, pad_size);
+}
- Space for the complete atom will be reserved, but uninitialised.
-*/
-static inline LV2_Atom*
-lv2_atom_forge_atom_head(LV2_Atom_Forge* forge,
- LV2_Atom* parent,
- uint32_t type,
- uint32_t size)
+static inline void*
+lv2_atom_forge_write(LV2_Atom_Forge* forge,
+ LV2_Atom* parent,
+ const void* data,
+ uint32_t size)
{
- LV2_Atom* const out = (LV2_Atom*)lv2_atom_forge_reserve(
- forge, parent, size);
+ void* out = lv2_atom_forge_write_nopad(forge, parent, data, size);
if (out) {
- out->type = type;
- out->size = size - sizeof(LV2_Atom);
+ lv2_atom_forge_pad(forge, parent, size);
}
return out;
}
@@ -151,93 +171,71 @@ lv2_atom_forge_atom_head(LV2_Atom_Forge* forge,
static inline LV2_Atom_Int32*
lv2_atom_forge_int32(LV2_Atom_Forge* forge, LV2_Atom* parent, int32_t val)
{
- LV2_Atom_Int32* out = (LV2_Atom_Int32*)lv2_atom_forge_atom_head(
- forge, parent, forge->Int32, sizeof(LV2_Atom_Int32));
- if (out) {
- out->value = val;
- }
- return out;
+ const LV2_Atom_Int32 a = { { forge->Int32, sizeof(val) }, val };
+ return (LV2_Atom_Int32*)lv2_atom_forge_write(forge, parent, &a, sizeof(a));
}
/** Write an atom:Int64. */
static inline LV2_Atom_Int64*
lv2_atom_forge_int64(LV2_Atom_Forge* forge, LV2_Atom* parent, int64_t val)
{
- LV2_Atom_Int64* out = (LV2_Atom_Int64*)lv2_atom_forge_atom_head(
- forge, parent, forge->Int64, sizeof(LV2_Atom_Int64));
- if (out) {
- out->value = val;
- }
- return out;
+ const LV2_Atom_Int64 a = { { forge->Int64, sizeof(val) }, val };
+ return (LV2_Atom_Int64*)lv2_atom_forge_write(forge, parent, &a, sizeof(a));
}
/** Write an atom:Float. */
static inline LV2_Atom_Float*
lv2_atom_forge_float(LV2_Atom_Forge* forge, LV2_Atom* parent, float val)
{
- LV2_Atom_Float* out = (LV2_Atom_Float*)lv2_atom_forge_atom_head(
- forge, parent, forge->Float, sizeof(LV2_Atom_Float));
- if (out) {
- out->value = val;
- }
- return out;
+ const LV2_Atom_Float a = { { forge->Float, sizeof(val) }, val };
+ return (LV2_Atom_Float*)lv2_atom_forge_write(forge, parent, &a, sizeof(a));
}
/** Write an atom:Double. */
static inline LV2_Atom_Double*
lv2_atom_forge_double(LV2_Atom_Forge* forge, LV2_Atom* parent, double val)
{
- LV2_Atom_Double* out = (LV2_Atom_Double*)lv2_atom_forge_atom_head(
- forge, parent, forge->Double, sizeof(LV2_Atom_Double));
- if (out) {
- out->value = val;
- }
- return out;
+ const LV2_Atom_Double a = { { forge->Double, sizeof(val) }, val };
+ return (LV2_Atom_Double*)lv2_atom_forge_write(
+ forge, parent, &a, sizeof(a));
}
/** Write an atom:Bool. */
static inline LV2_Atom_Bool*
lv2_atom_forge_bool(LV2_Atom_Forge* forge, LV2_Atom* parent, bool val)
{
- LV2_Atom_Bool* out = (LV2_Atom_Bool*)lv2_atom_forge_atom_head(
- forge, parent, forge->Bool, sizeof(LV2_Atom_Bool));
- if (out) {
- out->value = val ? 1 : 0;
- }
- return out;
+ const LV2_Atom_Bool a = { { forge->Bool, sizeof(val) }, val };
+ return (LV2_Atom_Bool*)lv2_atom_forge_write(forge, parent, &a, sizeof(a));
}
/** Write an atom:URID. */
static inline LV2_Atom_URID*
lv2_atom_forge_urid(LV2_Atom_Forge* forge, LV2_Atom* parent, LV2_URID id)
{
- LV2_Atom_URID* out = (LV2_Atom_URID*)lv2_atom_forge_reserve(
- forge, parent, sizeof(LV2_Atom_URID));
- if (out) {
- out->atom.type = forge->URID;
- out->atom.size = sizeof(uint32_t);
- out->id = id;
- }
- return out;
+ const LV2_Atom_URID a = { { forge->Int32, sizeof(id) }, id };
+ return (LV2_Atom_URID*)lv2_atom_forge_write(forge, parent, &a, sizeof(a));
}
-/** Write an atom:String. */
+/** Write an atom:String. Note that @p str need not be NULL terminated. */
static inline LV2_Atom_String*
lv2_atom_forge_string(LV2_Atom_Forge* forge,
LV2_Atom* parent,
const uint8_t* str,
size_t len)
{
- LV2_Atom_String* out = (LV2_Atom_String*)lv2_atom_forge_reserve(
- forge, parent, sizeof(LV2_Atom_String) + len + 1);
- if (out) {
- out->atom.type = forge->String;
- out->atom.size = len + 1;
- assert(LV2_ATOM_CONTENTS(LV2_Atom_String, out) == LV2_ATOM_BODY(out));
- uint8_t* buf = LV2_ATOM_CONTENTS(LV2_Atom_String, out);
- memcpy(buf, str, len);
- buf[len] = '\0';
+ const LV2_Atom_String a = { { forge->String, len + 1 } };
+ LV2_Atom_String* out = (LV2_Atom_String*)
+ lv2_atom_forge_write_nopad(forge, parent, &a, sizeof(a));
+ if (!out) {
+ return NULL;
+ }
+ if (!lv2_atom_forge_write_nopad(forge, parent, str, len)
+ || !lv2_atom_forge_write_nopad(forge, parent, "", 1)) {
+ out->atom.type = 0;
+ out->atom.size = 0;
+ return NULL;
}
+ lv2_atom_forge_pad(forge, parent, len + 1);
return out;
}
@@ -250,41 +248,46 @@ lv2_atom_forge_literal(LV2_Atom_Forge* forge,
uint32_t datatype,
uint32_t lang)
{
- LV2_Atom_Literal* out = (LV2_Atom_Literal*)lv2_atom_forge_reserve(
- forge, parent, sizeof(LV2_Atom_Literal) + len + 1);
- if (out) {
- out->atom.type = forge->Literal;
- out->atom.size = sizeof(LV2_Atom_Literal_Head) + len + 1;
- out->literal.datatype = datatype;
- out->literal.lang = lang;
- uint8_t* buf = LV2_ATOM_CONTENTS(LV2_Atom_Literal, out);
- memcpy(buf, str, len);
- buf[len] = '\0';
+ const LV2_Atom_Literal a = {
+ { forge->Literal,
+ sizeof(LV2_Atom_Literal) - sizeof(LV2_Atom) + len + 1 },
+ datatype,
+ lang
+ };
+ LV2_Atom_Literal* out = (LV2_Atom_Literal*)
+ lv2_atom_forge_write_nopad(forge, parent, &a, sizeof(a));
+ if (!out) {
+ return NULL;
+ }
+ if (!lv2_atom_forge_write_nopad(forge, parent, str, len)
+ || !lv2_atom_forge_write_nopad(forge, parent, "", 1)) {
+ out->atom.type = 0;
+ out->atom.size = 0;
+ return NULL;
}
+ lv2_atom_forge_pad(forge, parent, len + 1);
return out;
}
-/** Write an atom:Vector header and reserve space for the body. */
+/** Write an atom:Vector header, but not the vector body. */
static inline LV2_Atom_Vector*
-lv2_atom_forge_reserve_vector(LV2_Atom_Forge* forge,
- LV2_Atom* parent,
- uint32_t elem_count,
- uint32_t elem_type,
- uint32_t elem_size)
+lv2_atom_forge_vector_head(LV2_Atom_Forge* forge,
+ LV2_Atom* parent,
+ uint32_t elem_count,
+ uint32_t elem_type,
+ uint32_t elem_size)
{
- const size_t size = sizeof(LV2_Atom_Vector) + (elem_size * elem_count);
- LV2_Atom_Vector* out = (LV2_Atom_Vector*)lv2_atom_forge_reserve(
- forge, parent, size);
- if (out) {
- out->atom.type = forge->Vector;
- out->atom.size = size - sizeof(LV2_Atom);
- out->elem_count = elem_count;
- out->elem_type = elem_type;
- }
- return out;
+ const size_t size = sizeof(LV2_Atom_Vector) + (elem_size * elem_count);
+ const LV2_Atom_Vector a = {
+ { forge->Vector, size - sizeof(LV2_Atom) },
+ elem_count,
+ elem_type
+ };
+ return (LV2_Atom_Vector*)lv2_atom_forge_write(
+ forge, parent, &a, sizeof(a));
}
-/** Write an atom:Vector. */
+/** Write a complete atom:Vector. */
static inline LV2_Atom_Vector*
lv2_atom_forge_vector(LV2_Atom_Forge* forge,
LV2_Atom* parent,
@@ -293,11 +296,10 @@ lv2_atom_forge_vector(LV2_Atom_Forge* forge,
uint32_t elem_size,
void* elems)
{
- LV2_Atom_Vector* out = lv2_atom_forge_reserve_vector(
+ LV2_Atom_Vector* out = lv2_atom_forge_vector_head(
forge, parent, elem_count, elem_type, elem_size);
if (out) {
- uint8_t* buf = LV2_ATOM_CONTENTS(LV2_Atom_Vector, out);
- memcpy(buf, elems, elem_size * elem_count);
+ lv2_atom_forge_write(forge, parent, elems, elem_size * elem_count);
}
return out;
}
@@ -321,8 +323,8 @@ static inline LV2_Atom_Tuple*
lv2_atom_forge_tuple(LV2_Atom_Forge* forge,
LV2_Atom* parent)
{
- return (LV2_Atom_Tuple*)lv2_atom_forge_atom_head(
- forge, parent, forge->Tuple, sizeof(LV2_Atom));
+ const LV2_Atom_Tuple a = { { forge->Tuple, 0 } };
+ return (LV2_Atom_Tuple*)lv2_atom_forge_write(forge, parent, &a, sizeof(a));
}
/**
@@ -351,15 +353,12 @@ lv2_atom_forge_resource(LV2_Atom_Forge* forge,
LV2_URID id,
LV2_URID otype)
{
- LV2_Atom_Object* out = (LV2_Atom_Object*)lv2_atom_forge_reserve(
- forge, parent, sizeof(LV2_Atom_Object));
- if (out) {
- out->atom.type = forge->Resource;
- out->atom.size = sizeof(LV2_Atom_Object) - sizeof(LV2_Atom);
- out->id = id;
- out->type = otype;
- }
- return out;
+ const LV2_Atom_Object a = {
+ { forge->Resource, sizeof(LV2_Atom_Object) - sizeof(LV2_Atom) },
+ id,
+ otype
+ };
+ return (LV2_Atom_Object*)lv2_atom_forge_write(forge, parent, &a, sizeof(a));
}
/**
@@ -371,15 +370,12 @@ lv2_atom_forge_blank(LV2_Atom_Forge* forge,
uint32_t id,
LV2_URID otype)
{
- LV2_Atom_Object* out = (LV2_Atom_Object*)lv2_atom_forge_reserve(
- forge, parent, sizeof(LV2_Atom_Object));
- if (out) {
- out->atom.type = forge->Blank;
- out->atom.size = sizeof(LV2_Atom_Object) - sizeof(LV2_Atom);
- out->id = id;
- out->type = otype;
- }
- return out;
+ const LV2_Atom_Object a = {
+ { forge->Blank, sizeof(LV2_Atom_Object) - sizeof(LV2_Atom) },
+ id,
+ otype
+ };
+ return (LV2_Atom_Object*)lv2_atom_forge_write(forge, parent, &a, sizeof(a));
}
/**
@@ -392,13 +388,9 @@ lv2_atom_forge_property_head(LV2_Atom_Forge* forge,
LV2_URID key,
LV2_URID context)
{
- LV2_Atom_Property_Body* out = (LV2_Atom_Property_Body*)
- lv2_atom_forge_reserve(forge, parent, 2 * sizeof(uint32_t));
- if (out) {
- out->key = key;
- out->context = context;
- }
- return out;
+ const LV2_Atom_Property_Body a = { key, context, { 0, 0 } };
+ return (LV2_Atom_Property_Body*)lv2_atom_forge_write(
+ forge, parent, &a, 2 * sizeof(uint32_t));
}
/**
@@ -412,15 +404,13 @@ lv2_atom_forge_sequence_head(LV2_Atom_Forge* forge,
uint32_t capacity,
uint32_t unit)
{
- LV2_Atom_Sequence* out = (LV2_Atom_Sequence*)
- lv2_atom_forge_reserve(forge, parent, sizeof(LV2_Atom_Sequence));
- if (out) {
- out->atom.type = forge->Sequence;
- out->atom.size = sizeof(LV2_Atom_Sequence) - sizeof(LV2_Atom);
- out->unit = unit;
- out->pad = 0;
- }
- return out;
+ const LV2_Atom_Sequence a = {
+ { forge->Sequence, sizeof(LV2_Atom_Sequence) - sizeof(LV2_Atom) },
+ unit,
+ 0
+ };
+ return (LV2_Atom_Sequence*)lv2_atom_forge_write(
+ forge, parent, &a, sizeof(a));
}
/**
@@ -434,13 +424,8 @@ lv2_atom_forge_audio_time(LV2_Atom_Forge* forge,
uint32_t frames,
uint32_t subframes)
{
- LV2_Atom_Event* out = (LV2_Atom_Event*)
- lv2_atom_forge_reserve(forge, parent, 2 * sizeof(uint32_t));
- if (out) {
- out->time.audio.frames = frames;
- out->time.audio.subframes = subframes;
- }
- return out;
+ const LV2_Atom_Audio_Time a = { frames, subframes };
+ return (LV2_Atom_Event*)lv2_atom_forge_write(forge, parent, &a, sizeof(a));
}
/**
@@ -453,12 +438,8 @@ lv2_atom_forge_beat_time(LV2_Atom_Forge* forge,
LV2_Atom* parent,
double beats)
{
- LV2_Atom_Event* out = (LV2_Atom_Event*)
- lv2_atom_forge_reserve(forge, parent, sizeof(double));
- if (out) {
- out->time.beats = beats;
- }
- return out;
+ return (LV2_Atom_Event*)lv2_atom_forge_write(
+ forge, parent, &beats, sizeof(beats));
}
#ifdef __cplusplus
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-03 01:41:25 +0000