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-rw-r--r--plugins/eg06-fifths.lv2/fifths.c196
1 files changed, 0 insertions, 196 deletions
diff --git a/plugins/eg06-fifths.lv2/fifths.c b/plugins/eg06-fifths.lv2/fifths.c
deleted file mode 100644
index c7d12e1..0000000
--- a/plugins/eg06-fifths.lv2/fifths.c
+++ /dev/null
@@ -1,196 +0,0 @@
-/*
- LV2 Fifths Example Plugin
- Copyright 2014 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 <math.h>
-#include <stdlib.h>
-#include <string.h>
-#ifndef __cplusplus
-# include <stdbool.h>
-#endif
-
-#include <sndfile.h>
-
-#include "lv2/lv2plug.in/ns/ext/atom/util.h"
-#include "lv2/lv2plug.in/ns/ext/midi/midi.h"
-#include "lv2/lv2plug.in/ns/ext/patch/patch.h"
-#include "lv2/lv2plug.in/ns/ext/state/state.h"
-#include "lv2/lv2plug.in/ns/ext/urid/urid.h"
-#include "lv2/lv2plug.in/ns/lv2core/lv2.h"
-
-#include "./uris.h"
-
-enum {
- FIFTHS_IN = 0,
- FIFTHS_OUT = 1
-};
-
-typedef struct {
- // Features
- LV2_URID_Map* map;
-
- // 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*)malloc(sizeof(Fifths));
- if (!self) {
- return NULL;
- }
- memset(self, 0, sizeof(Fifths));
-
- // Get host features
- for (int i = 0; features[i]; ++i) {
- if (!strcmp(features[i]->URI, LV2_URID__map)) {
- self->map = (LV2_URID_Map*)features[i]->data;
- }
- }
- if (!self->map) {
- fprintf(stderr, "Missing feature urid:map\n");
- free(self);
- return NULL;
- }
-
- // Map URIs and initialise forge/logger
- 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;
- 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);
-
- const uint8_t note = msg[1];
- if (note <= 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)
-{
- switch (index) {
- case 0:
- return &descriptor;
- default:
- return NULL;
- }
-}