-void
-Port::jack_halted ()
-{
- _jack_client = 0;
- _jack_port = 0;
-}
-
-int
-Port::write(byte * msg, size_t msglen, timestamp_t timestamp)
-{
- int ret = 0;
-
- if (!sends_output()) {
- return ret;
- }
-
- if (!is_process_thread()) {
-
- Glib::Mutex::Lock lm (output_fifo_lock);
- RingBuffer< Evoral::Event<double> >::rw_vector vec = { { 0, 0 }, { 0, 0} };
-
- output_fifo.get_write_vector (&vec);
-
- if (vec.len[0] + vec.len[1] < 1) {
- error << "no space in FIFO for non-process thread MIDI write" << endmsg;
- return 0;
- }
-
- if (vec.len[0]) {
- if (!vec.buf[0]->owns_buffer()) {
- vec.buf[0]->set_buffer (0, 0, true);
- }
- vec.buf[0]->set (msg, msglen, timestamp);
- } else {
- if (!vec.buf[1]->owns_buffer()) {
- vec.buf[1]->set_buffer (0, 0, true);
- }
- vec.buf[1]->set (msg, msglen, timestamp);
- }
-
- output_fifo.increment_write_idx (1);
-
- ret = msglen;
-
- } else {
-
- // XXX This had to be temporarily commented out to make export work again
- if (!(timestamp < _nframes_this_cycle)) {
- std::cerr << "assertion timestamp < _nframes_this_cycle failed!" << std::endl;
- }
-
- if (_currently_in_cycle) {
- if (timestamp == 0) {
- timestamp = _last_write_timestamp;
- }
-
- if (jack_midi_event_write (jack_port_get_buffer (_jack_port, _nframes_this_cycle),
- timestamp, msg, msglen) == 0) {
- ret = msglen;
- _last_write_timestamp = timestamp;
-
- } else {
- ret = 0;
- cerr << "write of " << msglen << " failed, port holds "
- << jack_midi_get_event_count (jack_port_get_buffer (_jack_port, _nframes_this_cycle))
- << endl;
- }
- } else {
- cerr << "write to JACK midi port failed: not currently in a process cycle." << endl;
- }
- }
-
- if (ret > 0 && _parser) {
- // ardour doesn't care about this and neither should your app, probably
- // output_parser->raw_preparse (*output_parser, msg, ret);
- for (int i = 0; i < ret; i++) {
- _parser->scanner (msg[i]);
- }
- // ardour doesn't care about this and neither should your app, probably
- // output_parser->raw_postparse (*output_parser, msg, ret);
- }
-
- return ret;
-}
-
-void
-Port::flush (void* jack_port_buffer)
-{
- RingBuffer< Evoral::Event<double> >::rw_vector vec = { { 0, 0 }, { 0, 0 } };
- size_t written;
-
- output_fifo.get_read_vector (&vec);
-
- if (vec.len[0] + vec.len[1]) {
- // cerr << "Flush " << vec.len[0] + vec.len[1] << " events from non-process FIFO\n";
- }
-
- if (vec.len[0]) {
- Evoral::Event<double>* evp = vec.buf[0];
-
- for (size_t n = 0; n < vec.len[0]; ++n, ++evp) {
- jack_midi_event_write (jack_port_buffer,
- (timestamp_t) evp->time(), evp->buffer(), evp->size());
- }
- }
-
- if (vec.len[1]) {
- Evoral::Event<double>* evp = vec.buf[1];
-
- for (size_t n = 0; n < vec.len[1]; ++n, ++evp) {
- jack_midi_event_write (jack_port_buffer,
- (timestamp_t) evp->time(), evp->buffer(), evp->size());
- }
- }
-
- if ((written = vec.len[0] + vec.len[1]) != 0) {
- output_fifo.increment_read_idx (written);
- }
-}
-
-int
-Port::read (byte *, size_t)
-{
- if (!receives_input()) {
- return 0;
- }
-
- timestamp_t time;
- Evoral::EventType type;
- uint32_t size;
- byte buffer[input_fifo.capacity()];
-
- while (input_fifo.read (&time, &type, &size, buffer)) {
- _parser->set_timestamp (time);
- for (uint32_t i = 0; i < size; ++i) {
- _parser->scanner (buffer[i]);
- }
- }
-
- return 0;
-}
-
-int
-Port::create_port ()
-{
- _jack_port = jack_port_register(_jack_client, _tagname.c_str(), JACK_DEFAULT_MIDI_TYPE, _flags, 0);
- if (_jack_port) {
- jack_midi_clear_buffer (jack_port_get_buffer (_jack_port, jack_get_buffer_size (_jack_client)));
- }
-
- return _jack_port == 0 ? -1 : 0;
-}
-
-XMLNode&