+ /* XXX july 2010: currently only store event ID's for notes, program changes and bank changes
+ */
+
+ uint8_t const c = buf[0] & 0xf0;
+ bool const store_id = (
+ c == MIDI_CMD_NOTE_ON ||
+ c == MIDI_CMD_NOTE_OFF ||
+ c == MIDI_CMD_PGM_CHANGE ||
+ (c == MIDI_CMD_CONTROL && (buf[1] == MIDI_CTL_MSB_BANK || buf[1] == MIDI_CTL_LSB_BANK))
+ );
+
+ if (store_id && note_id >= 0) {
+ int idlen;
+ int lenlen;
+ uint8_t idbuf[16];
+ uint8_t lenbuf[16];
+
+ event = smf_event_new ();
+ assert(event != NULL);
+
+ /* generate VLQ representation of note ID */
+ idlen = smf_format_vlq (idbuf, sizeof(idbuf), note_id);
+
+ /* generate VLQ representation of meta event length,
+ which is the idlen + 2 bytes (Evoral type ID plus Note ID type)
+ */
+
+ lenlen = smf_format_vlq (lenbuf, sizeof(lenbuf), idlen+2);
+
+ event->midi_buffer_length = 2 + lenlen + 2 + idlen;
+ /* this should be allocated by malloc(3) because libsmf will
+ call free(3) on it
+ */
+ event->midi_buffer = (uint8_t*) malloc (sizeof (uint8_t*) * event->midi_buffer_length);
+
+ event->midi_buffer[0] = 0xff; // Meta-event
+ event->midi_buffer[1] = 0x7f; // Sequencer-specific
+ memcpy (&event->midi_buffer[2], lenbuf, lenlen);
+ event->midi_buffer[2+lenlen] = 0x99; // Evoral type ID
+ event->midi_buffer[3+lenlen] = 0x1; // Evoral type Note ID
+ memcpy (&event->midi_buffer[4+lenlen], idbuf, idlen);
+
+ assert(_smf_track);
+ smf_track_add_event_delta_pulses(_smf_track, event, 0);
+ }
+
+ event = smf_event_new_from_pointer(buf, size);