/*
- 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
#include <cassert>
#include <iostream>
-#include <ardour/midi_port.h>
-#include <ardour/data_type.h>
+#include "ardour/midi_port.h"
+#include "ardour/data_type.h"
using namespace ARDOUR;
using namespace std;
-MidiPort::MidiPort (const std::string& name, Flags flags, bool ext, nframes_t capacity)
- : Port (name, DataType::MIDI, flags, ext)
+MidiPort::MidiPort (const std::string& name, Flags 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 (capacity * 32);
+ _buffer = new MidiBuffer (raw_buffer_size(0));
}
MidiPort::~MidiPort()
delete _buffer;
}
-
void
-MidiPort::cycle_start (nframes_t nframes, nframes_t offset)
+MidiPort::cycle_start (nframes_t nframes)
{
- if (external ()) {
- _buffer->clear ();
- assert (_buffer->size () == 0);
+ _buffer->clear ();
+ assert (_buffer->size () == 0);
- if (sends_output ()) {
- jack_midi_clear_buffer (jack_port_get_buffer (_jack_port, nframes));
- }
+ if (sends_output ()) {
+ jack_midi_clear_buffer (jack_port_get_buffer (_jack_port, nframes));
}
}
MidiPort::get_midi_buffer (nframes_t nframes, nframes_t offset)
{
if (_has_been_mixed_down) {
- return *_buffer;
+ return *_buffer;
}
if (receives_input ()) {
-
- if (external ()) {
-
- 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());
+ void* jack_buffer = jack_port_get_buffer (_jack_port, nframes);
+ const nframes_t event_count = jack_midi_get_event_count(jack_buffer);
- jack_midi_event_t ev;
+ assert (event_count < _buffer->capacity());
- for (nframes_t i = 0; i < event_count; ++i) {
+ /* suck all relevant MIDI events from the JACK MIDI port buffer
+ into our MidiBuffer
+ */
- jack_midi_event_get (&ev, jack_buffer, i);
+ nframes_t off = offset + _port_offset;
- // i guess this should do but i leave it off to test the rest first.
- //if (ev.time > offset && ev.time < offset+nframes)
- _buffer->push_back (ev);
- }
+ for (nframes_t i = 0; i < event_count; ++i) {
- if (nframes) {
- _has_been_mixed_down = true;
- }
+ jack_midi_event_t ev;
- if (!_connections.empty()) {
- mixdown (nframes, offset, false);
- }
+ jack_midi_event_get (&ev, jack_buffer, i);
- } else {
-
- if (_connections.empty()) {
- _buffer->silence (nframes, offset);
- } else {
- mixdown (nframes, offset, true);
+ if (ev.time > off && ev.time < off+nframes) {
+ _buffer->push_back (ev);
}
}
+ if (nframes) {
+ _has_been_mixed_down = true;
+ }
+
} else {
- _buffer->silence (nframes, offset);
+ _buffer->silence (nframes);
}
-
+
if (nframes) {
_has_been_mixed_down = true;
}
return *_buffer;
}
-
+
void
-MidiPort::cycle_end (nframes_t nframes, nframes_t offset)
+MidiPort::cycle_end (nframes_t /*nframes*/)
{
-#if 0
-
- if (external () && sends_output ()) {
- /* FIXME: offset */
-
- // We're an output - copy events from source buffer to Jack buffer
-
- void* jack_buffer = jack_port_get_buffer (_jack_port, nframes);
-
- jack_midi_clear_buffer (jack_buffer);
-
- for (MidiBuffer::iterator i = _buffer->begin(); i != _buffer->end(); ++i) {
- const Evoral::Event& ev = *i;
-
- // event times should be frames, relative to cycle start
- assert(ev.time() >= 0);
- assert(ev.time() < nframes);
- jack_midi_event_write (jack_buffer, (jack_nframes_t) ev.time(), ev.buffer(), ev.size());
- }
- }
-#endif
+ _has_been_mixed_down = false;
+}
+void
+MidiPort::cycle_split ()
+{
_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)
{
- /* FIXME: offset */
-
- if (external () && sends_output ()) {
-
+ 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<double>& ev = *i;
- // event times should be frames, relative to cycle start
- assert(ev.time() >= 0);
- assert(ev.time() < (nframes+offset));
- if (ev.time() >= offset) {
+ const Evoral::Event<nframes_t>& ev = *i;
+
+ // event times are in frames, relative to cycle start
+
+ // XXX split cycle start or cycle start?
+
+ 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());
}
}
}
void
-MidiPort::mixdown (nframes_t cnt, nframes_t offset, bool first_overwrite)
+MidiPort::transport_stopped ()
{
- set<Port*>::const_iterator p = _connections.begin();
-
- if (first_overwrite) {
- _buffer->read_from ((dynamic_cast<MidiPort*>(*p))->get_midi_buffer (cnt, offset), cnt, offset);
- ++p;
- }
-
- // XXX DAVE: this is just a guess
+ _resolve_in_process = true;
+}
- for (; p != _connections.end(); ++p) {
- _buffer->merge (*_buffer, (dynamic_cast<MidiPort*>(*p))->get_midi_buffer (cnt, offset));
- }
+size_t
+MidiPort::raw_buffer_size (nframes_t nframes) const
+{
+ return jack_midi_max_event_size(jack_port_get_buffer(_jack_port, nframes));
}
projects / ardour.git / blobdiff