#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
+#include <time.h>
/* LV2 */
#include "lv2/lv2plug.in/ns/lv2core/lv2.h"
double SampleRateD;
void *synth;
+ bool xmas;
} RSynth;
/* main LV2 */
const char* bundle_path,
const LV2_Feature* const* features)
{
+ (void) descriptor; /* unused variable */
+ (void) bundle_path; /* unused variable */
+
if (rate < 8000) {
fprintf(stderr, "RSynth.lv2 error: unsupported sample-rate (must be > 8k)\n");
return NULL;
self->synth = synth_alloc();
synth_init(self->synth, rate);
+
+ struct tm date;
+ time_t now;
+ time(&now);
+ localtime_r(&now, &date);
+ if (getenv("ITSXMAS") || (date.tm_mon == 11 /*dec*/ && date.tm_mday == 25)) {
+ printf("reasonable synth.lv2 says: happy holidays!\n");
+ self->xmas = true;
+ }
+
return (LV2_Handle)self;
}
/* Process incoming MIDI events */
if (self->midiin) {
- LV2_Atom_Event const* ev = (LV2_Atom_Event const*) ((&(self->midiin)->body) + 1); // lv2_atom_sequence_begin
- while( (const uint8_t*)ev < ((const uint8_t*) &(self->midiin)->body + (self->midiin)->atom.size) ) {
+ LV2_Atom_Event const* ev = (LV2_Atom_Event const*)((&(self->midiin)->body) + 1); // lv2_atom_sequence_begin
+ while( // !lv2_atom_sequence_is_end
+ (const uint8_t*)ev < ((const uint8_t*) &(self->midiin)->body + (self->midiin)->atom.size)
+ )
+ {
if (ev->body.type == self->midi_MidiEvent) {
- if (written + BUFFER_SIZE_SAMPLES < ev->time.frames
- && ev->time.frames < n_samples) {
- /* first synthesize sound up until the message timestamp */
- written = synth_sound(self->synth, written, ev->time.frames, audio);
- }
- /* send midi message to synth */
- synth_parse_midi(self->synth, (const uint8_t*)(ev+1), ev->body.size);
+ if (written + BUFFER_SIZE_SAMPLES < ev->time.frames
+ && ev->time.frames < n_samples) {
+ /* first synthesize sound up until the message timestamp */
+ written = synth_sound(self->synth, written, ev->time.frames, audio);
+ }
+ /* send midi message to synth */
+ if (self->xmas) {
+ synth_parse_xmas(self->synth, (const uint8_t*)(ev+1), ev->body.size);
+ } else {
+ synth_parse_midi(self->synth, (const uint8_t*)(ev+1), ev->body.size);
+ }
}
- ev = (LV2_Atom_Event const*)((const uint8_t*)ev + sizeof(LV2_Atom_Event) + ((ev->body.size + 7) & ~7));
+ ev = (LV2_Atom_Event const*) // lv2_atom_sequence_next()
+ ((const uint8_t*)ev + sizeof(LV2_Atom_Event) + ((ev->body.size + 7) & ~7));
}
}
static const void*
extension_data(const char* uri)
{
+ (void) uri; /* unused variable */
return NULL;
}
LV2_SYMBOL_EXPORT
const LV2_Descriptor*
-lv2_descriptor(uint32_t index)
+lv2_descriptor(uint32_t idx)
{
- switch (index) {
+ switch (idx) {
case 0:
return &descriptor;
default:
}
}
-/* vi:set ts=8 sts=2 sw=2: */
+/* vi:set ts=8 sts=2 sw=2 et: */