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-rw-r--r--plugins/eg-fifths.lv2/fifths.c167
1 files changed, 0 insertions, 167 deletions
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;
-}