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authorDavid Robillard <d@drobilla.net>2012-02-08 04:56:24 +0000
committerDavid Robillard <d@drobilla.net>2012-02-08 04:56:24 +0000
commited78bbe5ba12be1f9bcc736f14c51da6b4f639f3 (patch)
tree653a2dfe33f3923da45a38fc04ed2106f93528f3 /lv2/ns/ext/event
parentb617875c6f3ad439d25ae166da79df839ebfdc71 (diff)
downloadlv2-ed78bbe5ba12be1f9bcc736f14c51da6b4f639f3.tar.xz
Rearrange tree so top level can be used as an include path for standard style LV2 includes.
Diffstat (limited to 'lv2/ns/ext/event')
-rw-r--r--lv2/ns/ext/event/event-helpers.h246
-rw-r--r--lv2/ns/ext/event/event.h281
-rw-r--r--lv2/ns/ext/event/event.ttl224
l---------lv2/ns/ext/event/ext.pc.in1
-rw-r--r--lv2/ns/ext/event/manifest.ttl9
l---------lv2/ns/ext/event/waf1
l---------lv2/ns/ext/event/wscript1
7 files changed, 0 insertions, 763 deletions
diff --git a/lv2/ns/ext/event/event-helpers.h b/lv2/ns/ext/event/event-helpers.h
deleted file mode 100644
index 75ba14b..0000000
--- a/lv2/ns/ext/event/event-helpers.h
+++ /dev/null
@@ -1,246 +0,0 @@
-/* lv2_event_helpers.h - Helper functions for the LV2 events extension.
- *
- * Copyright (C) 2008-2009 David Robillard <http://drobilla.net>
- *
- * This header is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published
- * by the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This header is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
- * License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this header; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place, Suite 330, Boston, MA 01222-1307 USA
- */
-
-#ifndef LV2_EVENT_HELPERS_H
-#define LV2_EVENT_HELPERS_H
-
-#include <stdint.h>
-#include <stdbool.h>
-#include <string.h>
-#include <stdlib.h>
-#include <assert.h>
-#include "lv2/lv2plug.in/ns/ext/event/event.h"
-
-/** @file
- * Helper functions for the LV2 Event extension
- * <http://lv2plug.in/ns/ext/event>.
- *
- * These functions are provided for convenience only, use of them is not
- * required for supporting lv2ev (i.e. the events extension is defined by the
- * raw buffer format described in lv2_event.h and NOT by this API).
- *
- * Note that these functions are all static inline which basically means:
- * do not take the address of these functions. */
-
-
-/** Pad a size to 64 bits (for event sizes) */
-static inline uint16_t
-lv2_event_pad_size(uint16_t size)
-{
- return (size + 7) & (~7);
-}
-
-
-/** Initialize (empty, reset..) an existing event buffer.
- * The contents of buf are ignored entirely and overwritten, except capacity
- * which is unmodified. */
-static inline void
-lv2_event_buffer_reset(LV2_Event_Buffer* buf,
- uint16_t stamp_type,
- uint8_t *data)
-{
- buf->data = data;
- buf->header_size = sizeof(LV2_Event_Buffer);
- buf->stamp_type = stamp_type;
- buf->event_count = 0;
- buf->size = 0;
-}
-
-
-/** Allocate a new, empty event buffer. */
-static inline LV2_Event_Buffer*
-lv2_event_buffer_new(uint32_t capacity, uint16_t stamp_type)
-{
- const size_t size = sizeof(LV2_Event_Buffer) + capacity;
- LV2_Event_Buffer* buf = (LV2_Event_Buffer*)malloc(size);
- if (buf != NULL) {
- buf->capacity = capacity;
- lv2_event_buffer_reset(buf, stamp_type, (uint8_t *)(buf + 1));
- return buf;
- } else {
- return NULL;
- }
-}
-
-
-/** An iterator over an LV2_Event_Buffer.
- *
- * Multiple simultaneous read iterators over a single buffer is fine,
- * but changing the buffer invalidates all iterators (e.g. RW Lock). */
-typedef struct {
- LV2_Event_Buffer* buf;
- uint32_t offset;
-} LV2_Event_Iterator;
-
-
-/** Reset an iterator to point to the start of @a buf.
- * @return True if @a iter is valid, otherwise false (buffer is empty) */
-static inline bool
-lv2_event_begin(LV2_Event_Iterator* iter,
- LV2_Event_Buffer* buf)
-{
- iter->buf = buf;
- iter->offset = 0;
- return (buf->size > 0);
-}
-
-
-/** Check if @a iter is valid.
- * @return True if @a iter is valid, otherwise false (past end of buffer) */
-static inline bool
-lv2_event_is_valid(LV2_Event_Iterator* iter)
-{
- return (iter->offset < iter->buf->size);
-}
-
-
-/** Advance @a iter forward one event.
- * @a iter must be valid.
- * @return True if @a iter is valid, otherwise false (reached end of buffer) */
-static inline bool
-lv2_event_increment(LV2_Event_Iterator* iter)
-{
- assert(lv2_event_is_valid(iter));
-
- LV2_Event* const ev = (LV2_Event*)(
- (uint8_t*)iter->buf->data + iter->offset);
-
- iter->offset += lv2_event_pad_size(sizeof(LV2_Event) + ev->size);
-
- return true;
-}
-
-
-/** Dereference an event iterator (get the event currently pointed at).
- * @a iter must be valid.
- * @a data if non-NULL, will be set to point to the contents of the event
- * returned.
- * @return A Pointer to the event @a iter is currently pointing at, or NULL
- * if the end of the buffer is reached (in which case @a data is
- * also set to NULL). */
-static inline LV2_Event*
-lv2_event_get(LV2_Event_Iterator* iter,
- uint8_t** data)
-{
- assert(lv2_event_is_valid(iter));
-
- LV2_Event* const ev = (LV2_Event*)(
- (uint8_t*)iter->buf->data + iter->offset);
-
- if (data)
- *data = (uint8_t*)ev + sizeof(LV2_Event);
-
- return ev;
-}
-
-
-/** Write an event at @a iter.
- * The event (if any) pointed to by @a iter will be overwritten, and @a iter
- * incremented to point to the following event (i.e. several calls to this
- * function can be done in sequence without twiddling iter in-between).
- * @return True if event was written, otherwise false (buffer is full). */
-static inline bool
-lv2_event_write(LV2_Event_Iterator* iter,
- uint32_t frames,
- uint32_t subframes,
- uint16_t type,
- uint16_t size,
- const uint8_t* data)
-{
- if (iter->buf->capacity - iter->buf->size < sizeof(LV2_Event) + size)
- return false;
-
- LV2_Event* const ev = (LV2_Event*)(
- (uint8_t*)iter->buf->data + iter->offset);
-
- ev->frames = frames;
- ev->subframes = subframes;
- ev->type = type;
- ev->size = size;
- memcpy((uint8_t*)ev + sizeof(LV2_Event), data, size);
- ++iter->buf->event_count;
-
- size = lv2_event_pad_size(sizeof(LV2_Event) + size);
- iter->buf->size += size;
- iter->offset += size;
-
- return true;
-}
-
-
-/** Reserve space for an event in the buffer and return a pointer to
- the memory where the caller can write the event data, or NULL if there
- is not enough room in the buffer. */
-static inline uint8_t*
-lv2_event_reserve(LV2_Event_Iterator* iter,
- uint32_t frames,
- uint32_t subframes,
- uint16_t type,
- uint16_t size)
-{
- size = lv2_event_pad_size(size);
- if (iter->buf->capacity - iter->buf->size < sizeof(LV2_Event) + size)
- return NULL;
-
- LV2_Event* const ev = (LV2_Event*)((uint8_t*)iter->buf->data +
- iter->offset);
-
- ev->frames = frames;
- ev->subframes = subframes;
- ev->type = type;
- ev->size = size;
- ++iter->buf->event_count;
-
- size = lv2_event_pad_size(sizeof(LV2_Event) + size);
- iter->buf->size += size;
- iter->offset += size;
-
- return (uint8_t*)ev + sizeof(LV2_Event);
-}
-
-
-/** Write an event at @a iter.
- * The event (if any) pointed to by @a iter will be overwritten, and @a iter
- * incremented to point to the following event (i.e. several calls to this
- * function can be done in sequence without twiddling iter in-between).
- * @return True if event was written, otherwise false (buffer is full). */
-static inline bool
-lv2_event_write_event(LV2_Event_Iterator* iter,
- const LV2_Event* ev,
- const uint8_t* data)
-{
- if (iter->buf->capacity - iter->buf->size < sizeof(LV2_Event) + ev->size)
- return false;
-
- LV2_Event* const write_ev = (LV2_Event*)(
- (uint8_t*)iter->buf->data + iter->offset);
-
- *write_ev = *ev;
- memcpy((uint8_t*)write_ev + sizeof(LV2_Event), data, ev->size);
- ++iter->buf->event_count;
-
- const uint16_t size = lv2_event_pad_size(sizeof(LV2_Event) + ev->size);
- iter->buf->size += size;
- iter->offset += size;
-
- return true;
-}
-
-#endif /* LV2_EVENT_HELPERS_H */
-
diff --git a/lv2/ns/ext/event/event.h b/lv2/ns/ext/event/event.h
deleted file mode 100644
index 2c340ba..0000000
--- a/lv2/ns/ext/event/event.h
+++ /dev/null
@@ -1,281 +0,0 @@
-/*
- LV2 Event Extension
- Copyright 2008-2011 David Robillard <http://drobilla.net>
- Copyright 2006-2007 Lars Luthman <lars.luthman@gmail.com>
-
- 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.
-*/
-
-#ifndef LV2_EVENT_H
-#define LV2_EVENT_H
-
-#define LV2_EVENT_URI "http://lv2plug.in/ns/ext/event"
-#define LV2_EVENT_AUDIO_STAMP 0
-
-#include <stdint.h>
-
-/**
- @file event.h
- C API for the LV2 Event extension <http://lv2plug.in/ns/ext/event>.
-
- This extension is a generic transport mechanism for time stamped events
- of any type (e.g. MIDI, OSC, ramps, etc). Each port can transport mixed
- events of any type; the type of events and timestamps are defined by a URI
- which is mapped to an integer by the host for performance reasons.
-
- This extension requires the host to support the LV2 URI Map extension.
- Any host which supports this extension MUST guarantee that any call to
- the LV2 URI Map uri_to_id function with the URI of this extension as the
- 'map' argument returns a value within the range of uint16_t.
-*/
-
-/**
- The best Pulses Per Quarter Note for tempo-based uint32_t timestamps.
- Equal to 2^12 * 5 * 7 * 9 * 11 * 13 * 17, which is evenly divisble
- by all integers from 1 through 18 inclusive, and powers of 2 up to 2^12.
-*/
-static const uint32_t LV2_EVENT_PPQN = 3136573440U;
-
-/**
- An LV2 event (header only).
-
- LV2 events are generic time-stamped containers for any type of event.
- The type field defines the format of a given event's contents.
-
- This struct defines the header of an LV2 event. An LV2 event is a single
- chunk of POD (plain old data), usually contained in a flat buffer (see
- LV2_EventBuffer below). Unless a required feature says otherwise, hosts may
- assume a deep copy of an LV2 event can be created safely using a simple:
-
- memcpy(ev_copy, ev, sizeof(LV2_Event) + ev->size); (or equivalent)
-*/
-typedef struct {
-
- /**
- The frames portion of timestamp. The units used here can optionally be
- set for a port (with the lv2ev:timeUnits property), otherwise this is
- audio frames, corresponding to the sample_count parameter of the LV2 run
- method (e.g. frame 0 is the first frame for that call to run).
- */
- uint32_t frames;
-
- /**
- The sub-frames portion of timestamp. The units used here can optionally
- be set for a port (with the lv2ev:timeUnits property), otherwise this is
- 1/(2^32) of an audio frame.
- */
- uint32_t subframes;
-
- /**
- The type of this event, as a number which represents some URI
- defining an event type. This value MUST be some value previously
- returned from a call to the uri_to_id function defined in the LV2
- URI map extension (see lv2_uri_map.h).
- There are special rules which must be followed depending on the type
- of an event. If the plugin recognizes an event type, the definition
- of that event type will describe how to interpret the event, and
- any required behaviour. Otherwise, if the type is 0, this event is a
- non-POD event and lv2_event_unref MUST be called if the event is
- 'dropped' (see above). Even if the plugin does not understand an event,
- it may pass the event through to an output by simply copying (and NOT
- calling lv2_event_unref). These rules are designed to allow for generic
- event handling plugins and large non-POD events, but with minimal hassle
- on simple plugins that "don't care" about these more advanced features.
- */
- uint16_t type;
-
- /**
- The size of the data portion of this event in bytes, which immediately
- follows. The header size (12 bytes) is not included in this value.
- */
- uint16_t size;
-
- /* size bytes of data follow here */
-
-} LV2_Event;
-
-
-/**
- A buffer of LV2 events (header only).
-
- Like events (which this contains) an event buffer is a single chunk of POD:
- the entire buffer (including contents) can be copied with a single memcpy.
- The first contained event begins sizeof(LV2_EventBuffer) bytes after the
- start of this struct.
-
- After this header, the buffer contains an event header (defined by struct
- LV2_Event), followed by that event's contents (padded to 64 bits), followed
- by another header, etc:
-
- | | | | | | |
- | | | | | | | | | | | | | | | | | | | | | | | | |
- |FRAMES |SUBFRMS|TYP|LEN|DATA..DATA..PAD|FRAMES | ...
-*/
-typedef struct {
-
- /**
- The contents of the event buffer. This may or may not reside in the
- same block of memory as this header, plugins must not assume either.
- The host guarantees this points to at least capacity bytes of allocated
- memory (though only size bytes of that are valid events).
- */
- uint8_t* data;
-
- /**
- The size of this event header in bytes (including everything).
-
- This is to allow for extending this header in the future without
- breaking binary compatibility. Whenever this header is copied,
- it MUST be done using this field (and NOT the sizeof this struct).
- */
- uint16_t header_size;
-
- /**
- The type of the time stamps for events in this buffer.
- As a special exception, '0' always means audio frames and subframes
- (1/UINT32_MAX'th of a frame) in the sample rate passed to instantiate.
-
- INPUTS: The host must set this field to the numeric ID of some URI
- defining the meaning of the frames/subframes fields of contained events
- (obtained by the LV2 URI Map uri_to_id function with the URI of this
- extension as the 'map' argument, see lv2_uri_map.h). The host must
- never pass a plugin a buffer which uses a stamp type the plugin does not
- 'understand'. The value of this field must never change, except when
- connect_port is called on the input port, at which time the host MUST
- have set the stamp_type field to the value that will be used for all
- subsequent run calls.
-
- OUTPUTS: The plugin may set this to any value that has been returned
- from uri_to_id with the URI of this extension for a 'map' argument.
- When connected to a buffer with connect_port, output ports MUST set this
- field to the type of time stamp they will be writing. On any call to
- connect_port on an event input port, the plugin may change this field on
- any output port, it is the responsibility of the host to check if any of
- these values have changed and act accordingly.
- */
- uint16_t stamp_type;
-
- /**
- The number of events in this buffer.
-
- INPUTS: The host must set this field to the number of events contained
- in the data buffer before calling run(). The plugin must not change
- this field.
-
- OUTPUTS: The plugin must set this field to the number of events it has
- written to the buffer before returning from run(). Any initial value
- should be ignored by the plugin.
- */
- uint32_t event_count;
-
- /**
- The size of the data buffer in bytes.
- This is set by the host and must not be changed by the plugin.
- The host is allowed to change this between run() calls.
- */
- uint32_t capacity;
-
- /**
- The size of the initial portion of the data buffer containing data.
-
- INPUTS: The host must set this field to the number of bytes used
- by all events it has written to the buffer (including headers)
- before calling the plugin's run().
- The plugin must not change this field.
-
- OUTPUTS: The plugin must set this field to the number of bytes
- used by all events it has written to the buffer (including headers)
- before returning from run().
- Any initial value should be ignored by the plugin.
- */
- uint32_t size;
-
-} LV2_Event_Buffer;
-
-
-/**
- Opaque pointer to host data.
-*/
-typedef void* LV2_Event_Callback_Data;
-
-
-/**
- Non-POD events feature.
-
- To support this feature the host must pass an LV2_Feature struct to the
- plugin's instantiate method with URI "http://lv2plug.in/ns/ext/event"
- and data pointed to an instance of this struct. Note this feature
- is not mandatory to support the event extension.
-*/
-typedef struct {
-
- /**
- Opaque pointer to host data.
-
- The plugin MUST pass this to any call to functions in this struct.
- Otherwise, it must not be interpreted in any way.
- */
- LV2_Event_Callback_Data callback_data;
-
- /**
- Take a reference to a non-POD event.
-
- If a plugin receives an event with type 0, it means the event is a
- pointer to some object in memory and not a flat sequence of bytes
- in the buffer. When receiving a non-POD event, the plugin already
- has an implicit reference to the event. If the event is stored AND
- passed to an output, lv2_event_ref MUST be called on that event.
- If the event is only stored OR passed through, this is not necessary
- (as the plugin already has 1 implicit reference).
-
- @param event An event received at an input that will not be copied to
- an output or stored in any way.
-
- @param context The calling context. Like event types, this is a mapped
- URI, see lv2_context.h. Simple plugin with just a run() method should
- pass 0 here (the ID of the 'standard' LV2 run context). The host
- guarantees that this function is realtime safe iff @a context is
- realtime safe.
-
- PLUGINS THAT VIOLATE THESE RULES MAY CAUSE CRASHES AND MEMORY LEAKS.
- */
- uint32_t (*lv2_event_ref)(LV2_Event_Callback_Data callback_data,
- LV2_Event* event);
-
- /**
- Drop a reference to a non-POD event.
-
- If a plugin receives an event with type 0, it means the event is a
- pointer to some object in memory and not a flat sequence of bytes
- in the buffer. If the plugin does not pass the event through to
- an output or store it internally somehow, it MUST call this function
- on the event (more information on using non-POD events below).
-
- @param event An event received at an input that will not be copied to an
- output or stored in any way.
-
- @param context The calling context. Like event types, this is a mapped
- URI, see lv2_context.h. Simple plugin with just a run() method should
- pass 0 here (the ID of the 'standard' LV2 run context). The host
- guarantees that this function is realtime safe iff @a context is
- realtime safe.
-
- PLUGINS THAT VIOLATE THESE RULES MAY CAUSE CRASHES AND MEMORY LEAKS.
- */
- uint32_t (*lv2_event_unref)(LV2_Event_Callback_Data callback_data,
- LV2_Event* event);
-
-} LV2_Event_Feature;
-
-
-#endif /* LV2_EVENT_H */
diff --git a/lv2/ns/ext/event/event.ttl b/lv2/ns/ext/event/event.ttl
deleted file mode 100644
index 67285aa..0000000
--- a/lv2/ns/ext/event/event.ttl
+++ /dev/null
@@ -1,224 +0,0 @@
-# LV2 Event Extension
-# Copyright 2008-2011 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.
-
-@prefix dcs: <http://ontologi.es/doap-changeset#> .
-@prefix doap: <http://usefulinc.com/ns/doap#> .
-@prefix ev: <http://lv2plug.in/ns/ext/event#> .
-@prefix foaf: <http://xmlns.com/foaf/0.1/> .
-@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
-@prefix owl: <http://www.w3.org/2002/07/owl#> .
-@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
-@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-
-<http://drobilla.net/drobilla#me>
- a foaf:Person ;
- foaf:name "David Robillard" ;
- foaf:homepage <http://drobilla.net/> ;
- foaf:mbox <mailto:d@drobilla.net> ;
- rdfs:seeAlso <http://drobilla.net/drobilla> .
-
-_:larsl
- a foaf:Person ;
- foaf:name "Lars Luthman" .
-
-<http://lv2plug.in/ns/ext/event>
- a lv2:Specification ;
- doap:license <http://opensource.org/licenses/isc> ;
- doap:name "LV2 Event" ;
- doap:shortdesc "A port-based real-time generic event interface." ;
- rdfs:seeAlso <event-helpers.h> ;
- doap:release [
- doap:revision "1.4" ;
- doap:created "2011-11-21" ;
- doap:file-release <http://lv2plug.in/spec/lv2-event-1.4.tar.bz2> ;
- dcs:blame <http://drobilla.net/drobilla#me> ;
- dcs:changeset [
- dcs:item [
- rdfs:label "Update packaging."
- ]
- ]
- ] , [
- doap:revision "1.2" ;
- doap:created "2011-05-26" ;
- doap:file-release <http://lv2plug.in/spec/lv2-event-1.2.tar.bz2> ;
- dcs:blame <http://drobilla.net/drobilla#me> ;
- dcs:changeset [
- dcs:item [
- rdfs:label "Add build system (for installation)."
- ] , [
- rdfs:label "Convert documentation to HTML and use lv2:documentation."
- ] , [
- rdfs:label "Use lv2:Specification to be discovered as an extension."
- ]
- ]
- ] , [
- doap:revision "1.0" ;
- doap:created "2010-11-24" ;
- doap:file-release <http://lv2plug.in/spec/lv2-event-1.0.tar.gz> ;
- dcs:blame <http://drobilla.net/drobilla#me> ;
- dcs:changeset [
- dcs:item [
- rdfs:label "Initial release."
- ]
- ]
- ] ;
- doap:developer <http://drobilla.net/drobilla#me> ,
- _:larsl ;
- lv2:documentation """
-<p>This extension defines a generic time-stamped event port type, which can be
-used to create plugins that read and write real-time events, such as MIDI,
-OSC, or any other type of event payload. The type(s) of event supported by
-a port is defined in the data file for a plugin, for example:</p>
-<pre class="turtle-code">
-&lt;http://example.org/some-plugin&gt;
- lv2:port [
- a ev:EventPort, lv2:InputPort ;
- lv2:index 0 ;
- ev:supportsEvent &lt;http://lv2plug.in/ns/ext/midi#MidiEvent&gt; ;
- lv2:symbol "midi_input" ;
- lv2:name "MIDI input" ;
- ] .
-</pre>
-""" .
-
-ev:EventPort
- a rdfs:Class ;
- rdfs:label "Event port" ;
- rdfs:subClassOf lv2:Port ;
- rdfs:comment """
-Ports of this type will be connected to a struct of type LV2_Event_Buffer,
-defined in event.h. These ports contain a sequence of generic events
-(possibly several types mixed in a single stream), the specific types of
-which are defined by some URI in another LV2 extension.
-""" .
-
-ev:Event
- a rdfs:Class ;
- rdfs:label "LV2 event" ;
- rdfs:comment """
-A single generic time-stamped event.
-
-An ev:EventPort contains an LV2_Event_Buffer which contains a sequence
-of these events. The binary format of LV2 events is defined by the
-LV2_Event struct in event.h.
-
-Specific event types (e.g. MIDI, OSC) are defined by extensions, and should
-be rdfs:subClassOf this class.
-""" .
-
-ev:TimeStamp
- a rdfs:Class ;
- rdfs:label "LV2 event time stamp" ;
- rdfs:comment """
-The time stamp of an Event.
-
-This defines the meaning of the 'frames' and 'subframes' fields of an
-LV2_Event (both unsigned 32-bit integers).
-""" .
-
-ev:FrameStamp
- a rdfs:Class ;
- rdfs:subClassOf ev:TimeStamp ;
- rdfs:label "Audio frame time stamp" ;
- rdfs:comment """
-The default time stamp unit for an LV2 event: the frames field represents
-audio frames (in the sample rate passed to intantiate), and the subframes
-field is 1/UINT32_MAX of a frame.
-""" .
-
-ev:generic
- a lv2:PortProperty ;
- rdfs:label "Generic event port" ;
- rdfs:comment """
-Indicates that this port does something meaningful for any event type
-(e.g. event mixers, delays, serialisers, etc). If this property is set, hosts
-should consider the port suitable for any type of event. Otherwise, hosts
-should consider the port 'appropriate' only for the specific event types
-listed with :supportsEvent. Note that plugins must gracefully handle unknown
-event types whether or not this property is present.
-""" .
-
-ev:supportsEvent
- a rdf:Property ;
- rdfs:domain lv2:Port ;
- rdfs:range ev:Event ;
- rdfs:label "Supports event type" ;
- rdfs:comment """
-Indicates that this port supports or "understands" a certain event type.
-For input ports, this means the plugin understands and does something useful
-with events of this type. For output ports, this means the plugin may generate
-events of this type. If the plugin never actually generates events of this type,
-but might pass them through from an input, this property should not be set (use
-ev:inheritsEvent for that).
-Plugins with event input ports must always gracefully handle any type of event,
-even if it does not 'support' it. This property should always be set for
-event types the plugin understands/generates so hosts can discover plugins
-appropriate for a given scenario (e.g. plugins with a MIDI input).
-Hosts are not expected to consider event ports suitable for some type of
-event if the relevant :supportsEvent property is not set, unless the
-ev:generic property for that port is also set.
-""" .
-
-ev:inheritsEvent
- a rdf:Property ;
- rdfs:domain lv2:Port ;
- rdfs:range lv2:Port ;
- rdfs:label "Inherits event type" ;
- rdfs:comment """
-Indicates that this output port might pass through events that arrived at some
-other input port (or generate an event of the same type as events arriving at
-that input). The host must always check the stamp type of all outputs when
-connecting an input, but this property should be set whenever it applies.
-""" .
-
-ev:supportsTimeStamp
- a rdf:Property ;
- rdfs:domain lv2:Port ;
- rdfs:range ev:TimeStamp ;
- rdfs:label "Supports time stamp type" ;
- rdfs:comment """
-Indicates that this port supports or "understands" a certain time stamp type.
-Meaningful only for input ports, the host must never connect a port to an
-event buffer with a time stamp type that isn't supported by the port.
-""" .
-
-ev:generatesTimeStamp
- a rdf:Property ;
- rdfs:domain lv2:Port ;
- rdfs:range ev:TimeStamp ;
- rdfs:label "Outputs time stamp type" ;
- rdfs:comment """
-Indicates that this port may output a certain time stamp type, regardless of
-the time stamp type of any input ports. If the port outputs stamps based on
-what type inputs are connected to, this property should not be set (use the
-ev:inheritsTimeStamp property for that). Hosts MUST check the time_stamp value
-of any output port buffers after a call to connect_port on ANY event input
-port on the plugin. If the plugin changes the stamp_type field of an output
-event buffer during a call to run(), the plugin must call the
-stamp_type_changed function provided by the host in the LV2_Event_Feature
-struct, if it is non-NULL.
-""" .
-
-ev:inheritsTimeStamp
- a rdf:Property ;
- rdfs:domain lv2:Port ;
- rdfs:range lv2:Port ;
- rdfs:label "Inherits time stamp type" ;
- rdfs:comment """
-Indicates that this port follows the time stamp type of an input port.
-This property is not necessary, but it should be set for outputs that
-base their output type on an input port so the host can make more sense
-of the plugin and provide a more sensible interface.
-""" .
diff --git a/lv2/ns/ext/event/ext.pc.in b/lv2/ns/ext/event/ext.pc.in
deleted file mode 120000
index 82b50df..0000000
--- a/lv2/ns/ext/event/ext.pc.in
+++ /dev/null
@@ -1 +0,0 @@
-../../../../ext.pc.in \ No newline at end of file
diff --git a/lv2/ns/ext/event/manifest.ttl b/lv2/ns/ext/event/manifest.ttl
deleted file mode 100644
index fa12f94..0000000
--- a/lv2/ns/ext/event/manifest.ttl
+++ /dev/null
@@ -1,9 +0,0 @@
-@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
-@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-
-<http://lv2plug.in/ns/ext/event>
- a lv2:Specification ;
- lv2:minorVersion 1 ;
- lv2:microVersion 4 ;
- rdfs:seeAlso <event.ttl> .
-
diff --git a/lv2/ns/ext/event/waf b/lv2/ns/ext/event/waf
deleted file mode 120000
index b955110..0000000
--- a/lv2/ns/ext/event/waf
+++ /dev/null
@@ -1 +0,0 @@
-../../../../waf \ No newline at end of file
diff --git a/lv2/ns/ext/event/wscript b/lv2/ns/ext/event/wscript
deleted file mode 120000
index ec20a77..0000000
--- a/lv2/ns/ext/event/wscript
+++ /dev/null
@@ -1 +0,0 @@
-../../../../ext.wscript \ No newline at end of file