/*
Copyright (C) 2006 Paul Davis
- Written by Dave Robillard, 2006
+ Author: David Robillard
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 "evoral/Control.hpp"
-#include "ardour/audioengine.h"
#include "ardour/event_type_map.h"
#include "ardour/midi_model.h"
#include "ardour/midi_ring_buffer.h"
throw failed_constructor ();
}
- if (create(path)) {
- throw failed_constructor ();
- }
+ /* file is not opened until write */
}
/** Constructor used for existing internal-to-session files. */
if (open(_path)) {
throw failed_constructor ();
}
+
+ _open = true;
}
SMFSource::~SMFSource ()
}
}
+int
+SMFSource::open_for_write ()
+{
+ if (create (_path)) {
+ return -1;
+ }
+ _open = true;
+ return 0;
+}
+
/** All stamps in audio frames */
framecnt_t
SMFSource::read_unlocked (Evoral::EventSink<framepos_t>& destination, framepos_t const source_start,
int ret = 0;
uint64_t time = 0; // in SMF ticks, 1 tick per _ppqn
- DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("SMF read_unlocked: start %1 duration %2\n", start, duration));
+ if (writable() && !_open) {
+ /* nothing to read since nothing has ben written */
+ return duration;
+ }
- _read_data_count = 0;
+ DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("SMF read_unlocked: start %1 duration %2\n", start, duration));
// Output parameters for read_event (which will allocate scratch in buffer as needed)
uint32_t ev_delta_t = 0;
break;
}
- _read_data_count += ev_size;
-
if (ev_size > scratch_size) {
scratch_size = ev_size;
}
framecnt_t
SMFSource::write_unlocked (MidiRingBuffer<framepos_t>& source, framepos_t position, framecnt_t duration)
{
- _write_data_count = 0;
+ if (!_writing) {
+ mark_streaming_write_started ();
+ }
framepos_t time;
Evoral::EventType type;
Evoral::MIDIEvent<framepos_t> ev;
+ // cerr << "SMFSource::write unlocked, begins writing from src buffer with _last_write_end = " << _last_write_end << " dur = " << duration << endl;
+
while (true) {
- bool ret = source.peek_time(&time);
- if (!ret || time > _last_write_end + duration) {
+ bool ret;
+
+ if (!(ret = source.peek ((uint8_t*)&time, sizeof (time)))) {
+ /* no more events to consider */
break;
}
- ret = source.read_prefix(&time, &type, &size);
- if (!ret) {
- cerr << "ERROR: Unable to read event prefix, corrupt MIDI ring buffer" << endl;
+ if ((duration != max_framecnt) && (time > (_last_write_end + duration))) {
+ DEBUG_TRACE (DEBUG::MidiIO, string_compose ("SMFSource::write_unlocked: dropping event @ %1 because it is later than %2 + %3\n",
+ time, _last_write_end, duration));
+ break;
+ }
+
+ if (!(ret = source.read_prefix (&time, &type, &size))) {
+ error << _("Unable to read event prefix, corrupt MIDI ring buffer") << endmsg;
break;
}
ret = source.read_contents(size, buf);
if (!ret) {
- cerr << "ERROR: Read time/size but not buffer, corrupt MIDI ring buffer" << endl;
+ error << _("Read time/size but not buffer, corrupt MIDI ring buffer") << endmsg;
break;
}
}
Evoral::SMF::flush();
- free(buf);
+ free (buf);
return duration;
}
if (ev.size() == 0) {
return;
}
-
- /* printf("SMFSource: %s - append_event_unlocked_beats ID = %d time = %lf, size = %u, data = ",
+
+ /*printf("SMFSource: %s - append_event_unlocked_beats ID = %d time = %lf, size = %u, data = ",
name().c_str(), ev.id(), ev.time(), ev.size());
- for (size_t i = 0; i < ev.size(); ++i) printf("%X ", ev.buffer()[i]); printf("\n");*/
+ for (size_t i = 0; i < ev.size(); ++i) printf("%X ", ev.buffer()[i]); printf("\n");*/
assert(ev.time() >= 0);
if (ev.time() < _last_ev_time_beats) {
Evoral::SMF::append_event_delta(delta_time_ticks, ev.size(), ev.buffer(), event_id);
_last_ev_time_beats = ev.time();
-
- _write_data_count += ev.size();
-
}
/** Append an event with a timestamp in frames (framepos_t) */
{
assert(_writing);
if (ev.size() == 0) {
+ cerr << "SMFSource: asked to append zero-size event\n";
return;
}
}
if (_model) {
- const Evoral::Event<double> beat_ev (ev.event_type(),
- ev_time_beats,
- ev.size(),
+ const Evoral::Event<double> beat_ev (ev.event_type(),
+ ev_time_beats,
+ ev.size(),
(uint8_t*)ev.buffer());
_model->append (beat_ev, event_id);
- }
+ }
_length_beats = max(_length_beats, ev_time_beats);
- const framepos_t delta_time_frames = ev.time() - _last_ev_time_frames;
- const double delta_time_beats = converter.from(delta_time_frames);
- const uint32_t delta_time_ticks = (uint32_t)(lrint(delta_time_beats * (double)ppqn()));
+ const Evoral::MusicalTime last_time_beats = converter.from (_last_ev_time_frames);
+ const Evoral::MusicalTime delta_time_beats = ev_time_beats - last_time_beats;
+ const uint32_t delta_time_ticks = (uint32_t)(lrint(delta_time_beats * (double)ppqn()));
Evoral::SMF::append_event_delta(delta_time_ticks, ev.size(), ev.buffer(), event_id);
_last_ev_time_frames = ev.time();
-
- _write_data_count += ev.size();
-
}
XMLNode&
}
void
-SMFSource::mark_streaming_midi_write_started (NoteMode mode, framepos_t start_frame)
+SMFSource::mark_streaming_midi_write_started (NoteMode mode)
{
- Glib::Mutex::Lock lm (_lock);
- MidiSource::mark_streaming_midi_write_started (mode, start_frame);
+ /* CALLER MUST HOLD LOCK */
+
+ if (!_open && open_for_write()) {
+ error << string_compose (_("cannot open MIDI file %1 for write"), _path) << endmsg;
+ /* XXX should probably throw or return something */
+ return;
+ }
+
+ MidiSource::mark_streaming_midi_write_started (mode);
Evoral::SMF::begin_write ();
_last_ev_time_beats = 0.0;
_last_ev_time_frames = 0;
void
SMFSource::mark_streaming_write_completed ()
+{
+ mark_midi_streaming_write_completed (Evoral::Sequence<Evoral::MusicalTime>::DeleteStuckNotes);
+}
+
+void
+SMFSource::mark_midi_streaming_write_completed (Evoral::Sequence<Evoral::MusicalTime>::StuckNoteOption stuck_notes_option, Evoral::MusicalTime when)
{
Glib::Mutex::Lock lm (_lock);
- MidiSource::mark_streaming_write_completed();
+ MidiSource::mark_midi_streaming_write_completed (stuck_notes_option, when);
if (!writable()) {
return;
if (_model) {
_model->set_edited(false);
}
-
+
Evoral::SMF::end_write ();
/* data in the file now, not removable */
- mark_nonremovable ();
+ mark_nonremovable ();
}
bool
SMFSource::safe_midi_file_extension (const string& file)
{
- return (file.rfind(".mid") != string::npos);
+ return (file.rfind(".mid") != string::npos) || (file.rfind (".MID") != string::npos);
}
void
_model->clear();
}
+ if (writable() && !_open) {
+ return;
+ }
+
_model->start_write();
Evoral::SMF::seek_to_start();
uint64_t time = 0; /* in SMF ticks */
Evoral::Event<double> ev;
- size_t scratch_size = 0; // keep track of scratch and minimize reallocs
+ uint32_t scratch_size = 0; // keep track of scratch and minimize reallocs
uint32_t delta_t = 0;
uint32_t size = 0;
while ((ret = read_event (&delta_t, &size, &buf, &event_id)) >= 0) {
time += delta_t;
-
+
if (ret == 0) {
/* meta-event : did we get an event ID ?
}
continue;
- }
-
- if (ret > 0) {
+ }
+
+ if (ret > 0) {
/* not a meta-event */
ev.set_event_type(EventTypeMap::instance().midi_event_type(buf[0]));
if (!have_event_id) {
- event_id = Evoral::next_event_id();
+ event_id = Evoral::next_event_id();
}
#ifndef NDEBUG
std::string ss;
-
+
for (uint32_t xx = 0; xx < size; ++xx) {
char b[8];
snprintf (b, sizeof (b), "0x%x ", buf[xx]);
DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("SMF %6 load model delta %1, time %2, size %3 buf %4, type %5\n",
delta_t, time, size, ss , ev.event_type(), name()));
#endif
-
+
_model->append (ev, event_id);
- if (ev.size() > scratch_size) {
- scratch_size = ev.size();
- }
-
- ev.size() = scratch_size; // ensure read_event only allocates if necessary
-
+ // Set size to max capacity to minimize allocs in read_event
+ scratch_size = std::max(size, scratch_size);
+ size = scratch_size;
+
_length_beats = max(_length_beats, ev.time());
}
/* event ID's must immediately precede the event they are for
*/
-
+
have_event_id = false;
}
- _model->end_write(false);
- _model->set_edited(false);
+ _model->end_write (Evoral::Sequence<Evoral::MusicalTime>::ResolveStuckNotes, _length_beats);
+ _model->set_edited (false);
_model_iter = _model->begin();
void
SMFSource::flush_midi ()
{
- if (!writable()) {
+ if (!writable() || (writable() && !_open)) {
return;
}
- Evoral::SMF::end_write();
+ Evoral::SMF::end_write ();
/* data in the file means its no longer removable */
- mark_nonremovable ();
+ mark_nonremovable ();
}
void
FileSource::set_path (p);
SMF::set_path (_path);
}
+
+/** Ensure that this source has some file on disk, even if it's just a SMF header */
+void
+SMFSource::ensure_disk_file ()
+{
+ if (_model) {
+ /* We have a model, so write it to disk; see MidiSource::session_saved
+ for an explanation of what we are doing here.
+ */
+ boost::shared_ptr<MidiModel> mm = _model;
+ _model.reset ();
+ mm->sync_to_source ();
+ _model = mm;
+ } else {
+ /* No model; if it's not already open, it's an empty source, so create
+ and open it for writing.
+ */
+ if (!_open) {
+ open_for_write ();
+ }
+
+ /* Flush, which will definitely put something on disk */
+ flush_midi ();
+ }
+}
+