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-rw-r--r--plugins/eg-midigate.lv2/README.txt10
-rw-r--r--plugins/eg-midigate.lv2/manifest.ttl.in10
-rw-r--r--plugins/eg-midigate.lv2/meson.build42
-rw-r--r--plugins/eg-midigate.lv2/midigate.c220
-rw-r--r--plugins/eg-midigate.lv2/midigate.ttl56
5 files changed, 0 insertions, 338 deletions
diff --git a/plugins/eg-midigate.lv2/README.txt b/plugins/eg-midigate.lv2/README.txt
deleted file mode 100644
index 8f4a0f0..0000000
--- a/plugins/eg-midigate.lv2/README.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-== MIDI Gate ==
-
-This plugin demonstrates:
-
- * Receiving MIDI input
-
- * Processing audio based on MIDI events with sample accuracy
-
- * Supporting MIDI programs which the host can control/automate, or present a
- user interface for with human readable labels
diff --git a/plugins/eg-midigate.lv2/manifest.ttl.in b/plugins/eg-midigate.lv2/manifest.ttl.in
deleted file mode 100644
index d32f1dc..0000000
--- a/plugins/eg-midigate.lv2/manifest.ttl.in
+++ /dev/null
@@ -1,10 +0,0 @@
-# The manifest.ttl file follows the same template as the previous example.
-
-@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
-@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix ui: <http://lv2plug.in/ns/extensions/ui#> .
-
-<http://lv2plug.in/plugins/eg-midigate>
- a lv2:Plugin ;
- lv2:binary <midigate@LIB_EXT@> ;
- rdfs:seeAlso <midigate.ttl> .
diff --git a/plugins/eg-midigate.lv2/meson.build b/plugins/eg-midigate.lv2/meson.build
deleted file mode 100644
index fc6010b..0000000
--- a/plugins/eg-midigate.lv2/meson.build
+++ /dev/null
@@ -1,42 +0,0 @@
-# Copyright 2022 David Robillard <d@drobilla.net>
-# SPDX-License-Identifier: 0BSD OR ISC
-
-plugin_sources = files('midigate.c')
-bundle_name = 'eg-midigate.lv2'
-data_filenames = ['manifest.ttl.in', 'midigate.ttl']
-
-module = shared_library(
- 'midigate',
- plugin_sources,
- c_args: c_suppressions,
- dependencies: [lv2_dep, m_dep],
- gnu_symbol_visibility: 'hidden',
- implicit_include_directories: false,
- install: true,
- install_dir: lv2dir / bundle_name,
- name_prefix: '',
-)
-
-config = configuration_data(
- {
- 'LIB_EXT': '.' + module.full_path().split('.')[-1],
- },
-)
-
-foreach filename : data_filenames
- if filename.endswith('.in')
- configure_file(
- configuration: config,
- input: files(filename),
- install_dir: lv2dir / bundle_name,
- output: filename.substring(0, -3),
- )
- else
- configure_file(
- copy: true,
- input: files(filename),
- install_dir: lv2dir / bundle_name,
- output: filename,
- )
- endif
-endforeach
diff --git a/plugins/eg-midigate.lv2/midigate.c b/plugins/eg-midigate.lv2/midigate.c
deleted file mode 100644
index b4861db..0000000
--- a/plugins/eg-midigate.lv2/midigate.c
+++ /dev/null
@@ -1,220 +0,0 @@
-// Copyright 2013-2016 David Robillard <d@drobilla.net>
-// SPDX-License-Identifier: ISC
-
-#include <lv2/atom/atom.h>
-#include <lv2/atom/util.h>
-#include <lv2/core/lv2.h>
-#include <lv2/core/lv2_util.h>
-#include <lv2/log/log.h>
-#include <lv2/log/logger.h>
-#include <lv2/midi/midi.h>
-#include <lv2/urid/urid.h>
-
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define MIDIGATE_URI "http://lv2plug.in/plugins/eg-midigate"
-
-typedef enum {
- MIDIGATE_CONTROL = 0,
- MIDIGATE_IN = 1,
- MIDIGATE_OUT = 2
-} PortIndex;
-
-typedef struct {
- // Port buffers
- const LV2_Atom_Sequence* control;
- const float* in;
- float* out;
-
- // Features
- LV2_URID_Map* map;
- LV2_Log_Logger logger;
-
- struct {
- LV2_URID midi_MidiEvent;
- } uris;
-
- unsigned n_active_notes;
- unsigned program; // 0 = normal, 1 = inverted
-} Midigate;
-
-static LV2_Handle
-instantiate(const LV2_Descriptor* descriptor,
- double rate,
- const char* bundle_path,
- const LV2_Feature* const* features)
-{
- Midigate* self = (Midigate*)calloc(1, sizeof(Midigate));
- if (!self) {
- return NULL;
- }
-
- // Scan host features for URID map
- // clang-format off
- const char* missing = lv2_features_query(
- features,
- LV2_LOG__log, &self->logger.log, false,
- LV2_URID__map, &self->map, true,
- NULL);
- // clang-format on
-
- lv2_log_logger_set_map(&self->logger, self->map);
- if (missing) {
- lv2_log_error(&self->logger, "Missing feature <%s>\n", missing);
- free(self);
- return NULL;
- }
-
- self->uris.midi_MidiEvent =
- self->map->map(self->map->handle, LV2_MIDI__MidiEvent);
-
- return (LV2_Handle)self;
-}
-
-static void
-connect_port(LV2_Handle instance, uint32_t port, void* data)
-{
- Midigate* self = (Midigate*)instance;
-
- switch ((PortIndex)port) {
- case MIDIGATE_CONTROL:
- self->control = (const LV2_Atom_Sequence*)data;
- break;
- case MIDIGATE_IN:
- self->in = (const float*)data;
- break;
- case MIDIGATE_OUT:
- self->out = (float*)data;
- break;
- }
-}
-
-static void
-activate(LV2_Handle instance)
-{
- Midigate* self = (Midigate*)instance;
- self->n_active_notes = 0;
- self->program = 0;
-}
-
-/**
- A function to write a chunk of output, to be called from run(). If the gate
- is high, then the input will be passed through for this chunk, otherwise
- silence is written.
-*/
-static void
-write_output(Midigate* self, uint32_t offset, uint32_t len)
-{
- const bool active = (self->program == 0) ? (self->n_active_notes > 0)
- : (self->n_active_notes == 0);
- if (active) {
- memcpy(self->out + offset, self->in + offset, len * sizeof(float));
- } else {
- memset(self->out + offset, 0, len * sizeof(float));
- }
-}
-
-/**
- This plugin works through the cycle in chunks starting at offset zero. The
- +offset+ represents the current time within this this cycle, so
- the output from 0 to +offset+ has already been written.
-
- MIDI events are read in a loop. In each iteration, the number of active
- notes (on note on and note off) or the program (on program change) is
- updated, then the output is written up until the current event time. Then
- +offset+ is updated and the next event is processed. After the loop the
- final chunk from the last event to the end of the cycle is emitted.
-
- There is currently no standard way to describe MIDI programs in LV2, so the
- host has no way of knowing that these programs exist and should be presented
- to the user. A future version of LV2 will address this shortcoming.
-
- This pattern of iterating over input events and writing output along the way
- is a common idiom for writing sample accurate output based on event input.
-
- Note that this simple example simply writes input or zero for each sample
- based on the gate. A serious implementation would need to envelope the
- transition to avoid aliasing.
-*/
-static void
-run(LV2_Handle instance, uint32_t sample_count)
-{
- Midigate* self = (Midigate*)instance;
- uint32_t offset = 0;
-
- LV2_ATOM_SEQUENCE_FOREACH (self->control, ev) {
- write_output(self, offset, (uint32_t)(ev->time.frames - offset));
- offset = (uint32_t)ev->time.frames;
-
- if (ev->body.type == self->uris.midi_MidiEvent) {
- const uint8_t* const msg = (const uint8_t*)(ev + 1);
- switch (lv2_midi_message_type(msg)) {
- case LV2_MIDI_MSG_NOTE_ON:
- ++self->n_active_notes;
- break;
- case LV2_MIDI_MSG_NOTE_OFF:
- if (self->n_active_notes > 0) {
- --self->n_active_notes;
- }
- break;
- case LV2_MIDI_MSG_CONTROLLER:
- if (msg[1] == LV2_MIDI_CTL_ALL_NOTES_OFF) {
- self->n_active_notes = 0;
- }
- break;
- case LV2_MIDI_MSG_PGM_CHANGE:
- if (msg[1] == 0 || msg[1] == 1) {
- self->program = msg[1];
- }
- break;
- default:
- break;
- }
- }
- }
-
- write_output(self, offset, sample_count - offset);
-}
-
-/**
- We have no resources to free on deactivation.
- Note that the next call to activate will re-initialise the state, namely
- self->n_active_notes, so there is no need to do so here.
-*/
-static void
-deactivate(LV2_Handle instance)
-{}
-
-static void
-cleanup(LV2_Handle instance)
-{
- free(instance);
-}
-
-/**
- This plugin also has no extension data to return.
-*/
-static const void*
-extension_data(const char* uri)
-{
- return NULL;
-}
-
-static const LV2_Descriptor descriptor = {MIDIGATE_URI,
- instantiate,
- connect_port,
- activate,
- run,
- deactivate,
- cleanup,
- extension_data};
-
-LV2_SYMBOL_EXPORT const LV2_Descriptor*
-lv2_descriptor(uint32_t index)
-{
- return index == 0 ? &descriptor : NULL;
-}
diff --git a/plugins/eg-midigate.lv2/midigate.ttl b/plugins/eg-midigate.lv2/midigate.ttl
deleted file mode 100644
index e14a329..0000000
--- a/plugins/eg-midigate.lv2/midigate.ttl
+++ /dev/null
@@ -1,56 +0,0 @@
-# The same set of namespace prefixes with two additions for LV2 extensions this
-# plugin uses: atom and urid.
-
-@prefix atom: <http://lv2plug.in/ns/ext/atom#> .
-@prefix doap: <http://usefulinc.com/ns/doap#> .
-@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
-@prefix midi: <http://lv2plug.in/ns/ext/midi#> .
-@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix urid: <http://lv2plug.in/ns/ext/urid#> .
-
-<http://lv2plug.in/plugins/eg-midigate>
- a lv2:Plugin ;
- doap:name "Example MIDI Gate" ;
- doap:license <http://opensource.org/licenses/isc> ;
- lv2:project <http://lv2plug.in/ns/lv2> ;
- lv2:requiredFeature urid:map ;
- lv2:optionalFeature lv2:hardRTCapable ;
-# This plugin has three ports. There is an audio input and output as before,
-# as well as a new AtomPort. An AtomPort buffer contains an Atom, which is a
-# generic container for any type of data. In this case, we want to receive
-# MIDI events, so the (mandatory) +atom:bufferType+ is atom:Sequence, which is
-# a series of events with time stamps.
-#
-# Events themselves are also generic and can contain any type of data, but in
-# this case we are only interested in MIDI events. The (optional)
-# +atom:supports+ property describes which event types are supported. Though
-# not required, this information should always be given so the host knows what
-# types of event it can expect the plugin to understand.
-#
-# The (optional) +lv2:designation+ of this port is +lv2:control+, which
-# indicates that this is the "main" control port where the host should send
-# events it expects to configure the plugin, in this case changing the MIDI
-# program. This is necessary since it is possible to have several MIDI input
-# ports, though typically it is best to have one.
- lv2:port [
- a lv2:InputPort ,
- atom:AtomPort ;
- atom:bufferType atom:Sequence ;
- atom:supports midi:MidiEvent ;
- lv2:designation lv2:control ;
- lv2:index 0 ;
- lv2:symbol "control" ;
- lv2:name "Control"
- ] , [
- a lv2:AudioPort ,
- lv2:InputPort ;
- lv2:index 1 ;
- lv2:symbol "in" ;
- lv2:name "In"
- ] , [
- a lv2:AudioPort ,
- lv2:OutputPort ;
- lv2:index 2 ;
- lv2:symbol "out" ;
- lv2:name "Out"
- ] .
generated by cgit v1.2.1 (git 2.18.0) at 2025-11-14 17:45:55 +0000