/*
- Copyright (C) 2006 Paul Davis
+ Copyright (C) 2006 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
using namespace std;
MidiPort::MidiPort (const std::string& name, Flags flags)
- : Port (name, DataType::MIDI, flags)
+ : Port (name, DataType::MIDI, flags)
, _has_been_mixed_down (false)
+ , _resolve_in_process (false)
{
- // FIXME: size kludge (see BufferSet::ensure_buffers)
- // Jack needs to tell us this
- _buffer = new MidiBuffer (1024 * 32);
+ _buffer = new MidiBuffer (raw_buffer_size(0));
}
MidiPort::~MidiPort()
delete _buffer;
}
-
void
MidiPort::cycle_start (nframes_t nframes)
{
_buffer->clear ();
assert (_buffer->size () == 0);
-
+
if (sends_output ()) {
jack_midi_clear_buffer (jack_port_get_buffer (_jack_port, nframes));
}
void* jack_buffer = jack_port_get_buffer (_jack_port, nframes);
const nframes_t event_count = jack_midi_get_event_count(jack_buffer);
-
+
assert (event_count < _buffer->capacity());
/* suck all relevant MIDI events from the JACK MIDI port buffer
into our MidiBuffer
*/
-
+
nframes_t off = offset + _port_offset;
for (nframes_t i = 0; i < event_count; ++i) {
-
+
jack_midi_event_t ev;
jack_midi_event_get (&ev, jack_buffer, i);
-
+
+#if 0
+ if (ev.buffer[0] == 0xfe) {
+ /* throw away active sensing */
+ continue;
+ }
+#endif
if (ev.time > off && ev.time < off+nframes) {
_buffer->push_back (ev);
}
}
-
+
if (nframes) {
_has_been_mixed_down = true;
}
-
+
} else {
_buffer->silence (nframes);
}
-
+
if (nframes) {
_has_been_mixed_down = true;
}
return *_buffer;
}
-
+
void
-MidiPort::cycle_end (nframes_t nframes)
+MidiPort::cycle_end (nframes_t /*nframes*/)
{
_has_been_mixed_down = false;
}
}
void
-MidiPort::flush_buffers (nframes_t nframes, nframes_t offset)
+MidiPort::flush_buffers (nframes_t nframes, nframes64_t time, nframes_t offset)
{
if (sends_output ()) {
-
+
void* jack_buffer = jack_port_get_buffer (_jack_port, nframes);
+ // Feed the data through the MidiStateTracker
+ bool did_loop;
+
+ _midi_state_tracker.track (_buffer->begin(), _buffer->end(), did_loop);
+
+ if (did_loop || _resolve_in_process) {
+ /* add necessary note offs */
+ _midi_state_tracker.resolve_notes (*_buffer, time);
+ }
+
+ _resolve_in_process = false;
+
for (MidiBuffer::iterator i = _buffer->begin(); i != _buffer->end(); ++i) {
const Evoral::Event<nframes_t>& ev = *i;
assert(ev.time() < (nframes+offset+_port_offset));
if (ev.time() >= offset + _port_offset) {
- jack_midi_event_write (jack_buffer, (jack_nframes_t) ev.time(), ev.buffer(), ev.size());
- }
+ if (jack_midi_event_write (jack_buffer, (jack_nframes_t) ev.time(), ev.buffer(), ev.size()) != 0) {
+ cerr << "write failed, drop flushed note off on the floor, time " << ev.time() << " > " << offset << " + " << _port_offset
+ << endl;
+ }
+ } else {
+ cerr << "drop flushed note off on the floor, time " << ev.time() << " > " << offset << " + " << _port_offset
+ << endl;
+ }
}
}
}
+void
+MidiPort::transport_stopped ()
+{
+ _resolve_in_process = true;
+}
+
+size_t
+MidiPort::raw_buffer_size (nframes_t nframes) const
+{
+ return jack_midi_max_event_size(jack_port_get_buffer(_jack_port, nframes));
+}
+