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-rw-r--r--plugins/eg-midigate.lv2/meson.build42
-rw-r--r--plugins/eg-midigate.lv2/midigate.c266
l---------plugins/eg-midigate.lv2/waf1
-rw-r--r--plugins/eg-midigate.lv2/wscript49
4 files changed, 165 insertions, 193 deletions
diff --git a/plugins/eg-midigate.lv2/meson.build b/plugins/eg-midigate.lv2/meson.build
new file mode 100644
index 0000000..fc6010b
--- /dev/null
+++ b/plugins/eg-midigate.lv2/meson.build
@@ -0,0 +1,42 @@
+# 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
index 6c77828..b4861db 100644
--- a/plugins/eg-midigate.lv2/midigate.c
+++ b/plugins/eg-midigate.lv2/midigate.c
@@ -1,27 +1,14 @@
-/*
- Copyright 2013-2016 David Robillard <d@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.
-*/
-
-#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"
+// 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>
@@ -32,27 +19,27 @@
#define MIDIGATE_URI "http://lv2plug.in/plugins/eg-midigate"
typedef enum {
- MIDIGATE_CONTROL = 0,
- MIDIGATE_IN = 1,
- MIDIGATE_OUT = 2
+ MIDIGATE_CONTROL = 0,
+ MIDIGATE_IN = 1,
+ MIDIGATE_OUT = 2
} PortIndex;
typedef struct {
- // Port buffers
- const LV2_Atom_Sequence* control;
- const float* in;
- float* out;
+ // Port buffers
+ const LV2_Atom_Sequence* control;
+ const float* in;
+ float* out;
- // Features
- LV2_URID_Map* map;
- LV2_Log_Logger logger;
+ // Features
+ LV2_URID_Map* map;
+ LV2_Log_Logger logger;
- struct {
- LV2_URID midi_MidiEvent;
- } uris;
+ struct {
+ LV2_URID midi_MidiEvent;
+ } uris;
- unsigned n_active_notes;
- unsigned program; // 0 = normal, 1 = inverted
+ unsigned n_active_notes;
+ unsigned program; // 0 = normal, 1 = inverted
} Midigate;
static LV2_Handle
@@ -61,56 +48,57 @@ instantiate(const LV2_Descriptor* descriptor,
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
- const char* missing = lv2_features_query(
- features,
- LV2_LOG__log, &self->logger.log, false,
- LV2_URID__map, &self->map, true,
- NULL);
- 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;
+ 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)
+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;
- }
+ 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;
+ Midigate* self = (Midigate*)instance;
+ self->n_active_notes = 0;
+ self->program = 0;
}
/**
@@ -121,14 +109,13 @@ activate(LV2_Handle instance)
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));
- }
+ 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));
+ }
}
/**
@@ -156,40 +143,41 @@ write_output(Midigate* self, uint32_t offset, uint32_t len)
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) {
- if (ev->body.type == self->uris.midi_MidiEvent) {
- const uint8_t* const msg = (const uint8_t*)LV2_ATOM_BODY_CONST(ev);
- 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, ev->time.frames - offset);
- offset = (uint32_t)ev->time.frames;
- }
-
- write_output(self, offset, sample_count - offset);
+ 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);
}
/**
@@ -204,7 +192,7 @@ deactivate(LV2_Handle instance)
static void
cleanup(LV2_Handle instance)
{
- free(instance);
+ free(instance);
}
/**
@@ -213,28 +201,20 @@ cleanup(LV2_Handle instance)
static const void*
extension_data(const char* uri)
{
- return NULL;
+ return NULL;
}
-static const LV2_Descriptor descriptor = {
- MIDIGATE_URI,
- instantiate,
- connect_port,
- activate,
- run,
- deactivate,
- cleanup,
- extension_data
-};
-
-LV2_SYMBOL_EXPORT
-const LV2_Descriptor*
+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)
{
- switch (index) {
- case 0:
- return &descriptor;
- default:
- return NULL;
- }
+ return index == 0 ? &descriptor : NULL;
}
diff --git a/plugins/eg-midigate.lv2/waf b/plugins/eg-midigate.lv2/waf
deleted file mode 120000
index 59a1ac9..0000000
--- a/plugins/eg-midigate.lv2/waf
+++ /dev/null
@@ -1 +0,0 @@
-../../waf \ No newline at end of file
diff --git a/plugins/eg-midigate.lv2/wscript b/plugins/eg-midigate.lv2/wscript
deleted file mode 100644
index 5862721..0000000
--- a/plugins/eg-midigate.lv2/wscript
+++ /dev/null
@@ -1,49 +0,0 @@
-#!/usr/bin/env python
-from waflib.extras import autowaf as autowaf
-import re
-
-# Variables for 'waf dist'
-APPNAME = 'eg-midigate.lv2'
-VERSION = '1.0.0'
-
-# Mandatory variables
-top = '.'
-out = 'build'
-
-def options(opt):
- opt.load('compiler_c')
- opt.load('lv2')
- autowaf.set_options(opt)
-
-def configure(conf):
- conf.load('compiler_c', cache=True)
- conf.load('lv2', cache=True)
- conf.load('autowaf', cache=True)
-
- conf.check_pkg('lv2', uselib_store='LV2')
-
-def build(bld):
- bundle = 'eg-midigate.lv2'
-
- # Build manifest.ttl by substitution (for portable lib extension)
- bld(features = 'subst',
- source = 'manifest.ttl.in',
- target = 'lv2/%s/%s' % (bundle, 'manifest.ttl'),
- install_path = '${LV2DIR}/%s' % bundle,
- LIB_EXT = bld.env.LV2_LIB_EXT)
-
- # Copy other data files to build bundle (build/eg-midigate.lv2)
- for i in ['midigate.ttl']:
- bld(features = 'subst',
- is_copy = True,
- source = i,
- target = 'lv2/%s/%s' % (bundle, i),
- install_path = '${LV2DIR}/%s' % bundle)
-
- # Build plugin library
- obj = bld(features = 'c cshlib lv2lib',
- source = 'midigate.c',
- name = 'midigate',
- target = 'lv2/%s/midigate' % bundle,
- install_path = '${LV2DIR}/%s' % bundle,
- uselib = 'LV2')
generated by cgit v1.2.1 (git 2.18.0) at 2025-07-03 05:17:40 +0000