diff options
Diffstat (limited to 'plugins/eg-fifths.lv2')
| -rw-r--r-- | plugins/eg-fifths.lv2/README.txt | 3 | ||||
| -rw-r--r-- | plugins/eg-fifths.lv2/fifths.c | 167 | ||||
| -rw-r--r-- | plugins/eg-fifths.lv2/fifths.ttl | 30 | ||||
| -rw-r--r-- | plugins/eg-fifths.lv2/manifest.ttl.in | 8 | ||||
| -rw-r--r-- | plugins/eg-fifths.lv2/meson.build | 42 | ||||
| -rw-r--r-- | plugins/eg-fifths.lv2/uris.h | 40 |
6 files changed, 0 insertions, 290 deletions
diff --git a/plugins/eg-fifths.lv2/README.txt b/plugins/eg-fifths.lv2/README.txt deleted file mode 100644 index 2154321..0000000 --- a/plugins/eg-fifths.lv2/README.txt +++ /dev/null @@ -1,3 +0,0 @@ -== Fifths == - -This plugin demonstrates simple MIDI event reading and writing. diff --git a/plugins/eg-fifths.lv2/fifths.c b/plugins/eg-fifths.lv2/fifths.c deleted file mode 100644 index 22d5f8a..0000000 --- a/plugins/eg-fifths.lv2/fifths.c +++ /dev/null @@ -1,167 +0,0 @@ -// Copyright 2014-2016 David Robillard <d@drobilla.net> -// SPDX-License-Identifier: ISC - -#include "uris.h" - -#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> - -enum { FIFTHS_IN = 0, FIFTHS_OUT = 1 }; - -typedef struct { - // Features - LV2_URID_Map* map; - LV2_Log_Logger logger; - - // Ports - const LV2_Atom_Sequence* in_port; - LV2_Atom_Sequence* out_port; - - // URIs - FifthsURIs uris; -} Fifths; - -static void -connect_port(LV2_Handle instance, uint32_t port, void* data) -{ - Fifths* self = (Fifths*)instance; - switch (port) { - case FIFTHS_IN: - self->in_port = (const LV2_Atom_Sequence*)data; - break; - case FIFTHS_OUT: - self->out_port = (LV2_Atom_Sequence*)data; - break; - default: - break; - } -} - -static LV2_Handle -instantiate(const LV2_Descriptor* descriptor, - double rate, - const char* path, - const LV2_Feature* const* features) -{ - // Allocate and initialise instance structure. - Fifths* self = (Fifths*)calloc(1, sizeof(Fifths)); - 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; - } - - map_fifths_uris(self->map, &self->uris); - - return (LV2_Handle)self; -} - -static void -cleanup(LV2_Handle instance) -{ - free(instance); -} - -static void -run(LV2_Handle instance, uint32_t sample_count) -{ - Fifths* self = (Fifths*)instance; - const FifthsURIs* uris = &self->uris; - - // Struct for a 3 byte MIDI event, used for writing notes - typedef struct { - LV2_Atom_Event event; - uint8_t msg[3]; - } MIDINoteEvent; - - // Initially self->out_port contains a Chunk with size set to capacity - - // Get the capacity - const uint32_t out_capacity = self->out_port->atom.size; - - // Write an empty Sequence header to the output - lv2_atom_sequence_clear(self->out_port); - self->out_port->atom.type = self->in_port->atom.type; - - // Read incoming events - LV2_ATOM_SEQUENCE_FOREACH (self->in_port, ev) { - if (ev->body.type == uris->midi_Event) { - const uint8_t* const msg = (const uint8_t*)(ev + 1); - switch (lv2_midi_message_type(msg)) { - case LV2_MIDI_MSG_NOTE_ON: - case LV2_MIDI_MSG_NOTE_OFF: - // Forward note to output - lv2_atom_sequence_append_event(self->out_port, out_capacity, ev); - - if (msg[1] <= 127 - 7) { - // Make a note one 5th (7 semitones) higher than input - MIDINoteEvent fifth; - - // Could simply do fifth.event = *ev here instead... - fifth.event.time.frames = ev->time.frames; // Same time - fifth.event.body.type = ev->body.type; // Same type - fifth.event.body.size = ev->body.size; // Same size - - fifth.msg[0] = msg[0]; // Same status - fifth.msg[1] = msg[1] + 7; // Pitch up 7 semitones - fifth.msg[2] = msg[2]; // Same velocity - - // Write 5th event - lv2_atom_sequence_append_event( - self->out_port, out_capacity, &fifth.event); - } - break; - default: - // Forward all other MIDI events directly - lv2_atom_sequence_append_event(self->out_port, out_capacity, ev); - break; - } - } - } -} - -static const void* -extension_data(const char* uri) -{ - return NULL; -} - -static const LV2_Descriptor descriptor = {EG_FIFTHS_URI, - instantiate, - connect_port, - NULL, // activate, - run, - NULL, // 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-fifths.lv2/fifths.ttl b/plugins/eg-fifths.lv2/fifths.ttl deleted file mode 100644 index 7f58a33..0000000 --- a/plugins/eg-fifths.lv2/fifths.ttl +++ /dev/null @@ -1,30 +0,0 @@ -@prefix atom: <http://lv2plug.in/ns/ext/atom#> . -@prefix doap: <http://usefulinc.com/ns/doap#> . -@prefix lv2: <http://lv2plug.in/ns/lv2core#> . -@prefix urid: <http://lv2plug.in/ns/ext/urid#> . -@prefix midi: <http://lv2plug.in/ns/ext/midi#> . - -<http://lv2plug.in/plugins/eg-fifths> - a lv2:Plugin ; - doap:name "Example Fifths" ; - doap:license <http://opensource.org/licenses/isc> ; - lv2:project <http://lv2plug.in/ns/lv2> ; - lv2:requiredFeature urid:map ; - lv2:optionalFeature lv2:hardRTCapable ; - lv2:port [ - a lv2:InputPort , - atom:AtomPort ; - atom:bufferType atom:Sequence ; - atom:supports midi:MidiEvent ; - lv2:index 0 ; - lv2:symbol "in" ; - lv2:name "In" - ] , [ - a lv2:OutputPort , - atom:AtomPort ; - atom:bufferType atom:Sequence ; - atom:supports midi:MidiEvent ; - lv2:index 1 ; - lv2:symbol "out" ; - lv2:name "Out" - ] . diff --git a/plugins/eg-fifths.lv2/manifest.ttl.in b/plugins/eg-fifths.lv2/manifest.ttl.in deleted file mode 100644 index f87f2c1..0000000 --- a/plugins/eg-fifths.lv2/manifest.ttl.in +++ /dev/null @@ -1,8 +0,0 @@ -@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-fifths> - a lv2:Plugin ; - lv2:binary <fifths@LIB_EXT@> ; - rdfs:seeAlso <fifths.ttl> . diff --git a/plugins/eg-fifths.lv2/meson.build b/plugins/eg-fifths.lv2/meson.build deleted file mode 100644 index d0cbc6a..0000000 --- a/plugins/eg-fifths.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('fifths.c') -bundle_name = 'eg-fifths.lv2' -data_filenames = ['manifest.ttl.in', 'fifths.ttl'] - -module = shared_library( - 'fifths', - 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-fifths.lv2/uris.h b/plugins/eg-fifths.lv2/uris.h deleted file mode 100644 index f32a6bd..0000000 --- a/plugins/eg-fifths.lv2/uris.h +++ /dev/null @@ -1,40 +0,0 @@ -// Copyright 2014-2015 David Robillard <d@drobilla.net> -// SPDX-License-Identifier: ISC - -#ifndef FIFTHS_URIS_H -#define FIFTHS_URIS_H - -#include <lv2/atom/atom.h> -#include <lv2/midi/midi.h> -#include <lv2/patch/patch.h> -#include <lv2/urid/urid.h> - -#define EG_FIFTHS_URI "http://lv2plug.in/plugins/eg-fifths" - -typedef struct { - LV2_URID atom_Path; - LV2_URID atom_Resource; - LV2_URID atom_Sequence; - LV2_URID atom_URID; - LV2_URID atom_eventTransfer; - LV2_URID midi_Event; - LV2_URID patch_Set; - LV2_URID patch_property; - LV2_URID patch_value; -} FifthsURIs; - -static inline void -map_fifths_uris(LV2_URID_Map* map, FifthsURIs* uris) -{ - uris->atom_Path = map->map(map->handle, LV2_ATOM__Path); - uris->atom_Resource = map->map(map->handle, LV2_ATOM__Resource); - uris->atom_Sequence = map->map(map->handle, LV2_ATOM__Sequence); - uris->atom_URID = map->map(map->handle, LV2_ATOM__URID); - uris->atom_eventTransfer = map->map(map->handle, LV2_ATOM__eventTransfer); - uris->midi_Event = map->map(map->handle, LV2_MIDI__MidiEvent); - uris->patch_Set = map->map(map->handle, LV2_PATCH__Set); - uris->patch_property = map->map(map->handle, LV2_PATCH__property); - uris->patch_value = map->map(map->handle, LV2_PATCH__value); -} - -#endif // FIFTHS_URIS_H |