/*
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 <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
-#include <poll.h>
#include <float.h>
#include <cerrno>
#include <ctime>
#include <algorithm>
#include <glibmm/fileutils.h>
+#include <glibmm/miscutils.h>
#include "pbd/xml++.h"
#include "pbd/pthread_utils.h"
#include "pbd/basename.h"
-#include "ardour/audioengine.h"
+#include "evoral/Control.hpp"
+#include "evoral/EventSink.hpp"
+
#include "ardour/debug.h"
#include "ardour/midi_model.h"
-#include "ardour/midi_ring_buffer.h"
#include "ardour/midi_state_tracker.h"
#include "ardour/midi_source.h"
+#include "ardour/file_source.h"
#include "ardour/session.h"
#include "ardour/session_directory.h"
#include "ardour/source_factory.h"
-#include "ardour/tempo.h"
#include "i18n.h"
+namespace ARDOUR { template <typename T> class MidiRingBuffer; }
+
using namespace std;
using namespace ARDOUR;
using namespace PBD;
MidiSource::MidiSource (Session& s, string name, Source::Flag flags)
: Source(s, DataType::MIDI, name, flags)
- , _read_data_count(0)
- , _write_data_count(0)
, _writing(false)
, _model_iter_valid(false)
, _length_beats(0.0)
, _last_read_end(0)
- , _last_write_end(0)
+ , _capture_length(0)
+ , _capture_loop_length(0)
{
}
MidiSource::MidiSource (Session& s, const XMLNode& node)
: Source(s, node)
- , _read_data_count(0)
- , _write_data_count(0)
, _writing(false)
, _model_iter_valid(false)
, _length_beats(0.0)
, _last_read_end(0)
- , _last_write_end(0)
+ , _capture_length(0)
+ , _capture_loop_length(0)
{
- _read_data_count = 0;
- _write_data_count = 0;
-
if (set_state (node, Stateful::loading_state_version)) {
throw failed_constructor();
}
}
-
MidiSource::~MidiSource ()
{
}
MidiSource::set_state (const XMLNode& node, int /*version*/)
{
const XMLProperty* prop;
-
if ((prop = node.property ("captured-for")) != 0) {
_captured_for = prop->value();
}
XMLNodeList children = node.children ();
for (XMLNodeConstIterator i = children.begin(); i != children.end(); ++i) {
if ((*i)->name() == X_("InterpolationStyle")) {
- XMLProperty* prop;
-
if ((prop = (*i)->property (X_("parameter"))) == 0) {
error << _("Missing parameter property on InterpolationStyle") << endmsg;
return -1;
}
-
- Evoral::Parameter p = EventTypeMap::instance().new_parameter (prop->value());
+ Evoral::Parameter p = EventTypeMap::instance().from_symbol (prop->value());
if ((prop = (*i)->property (X_("style"))) == 0) {
error << _("Missing style property on InterpolationStyle") << endmsg;
return -1;
}
-
- Evoral::ControlList::InterpolationStyle s = static_cast<Evoral::ControlList::InterpolationStyle> (string_2_enum (prop->value(), s));
+ Evoral::ControlList::InterpolationStyle s = static_cast<Evoral::ControlList::InterpolationStyle>(
+ string_2_enum (prop->value(), s));
set_interpolation_of (p, s);
-
- } else if ((*i)->name() == X_("AutomationState")) {
-
- XMLProperty* prop;
+ } else if ((*i)->name() == X_("AutomationState")) {
if ((prop = (*i)->property (X_("parameter"))) == 0) {
error << _("Missing parameter property on AutomationState") << endmsg;
return -1;
}
-
- Evoral::Parameter p = EventTypeMap::instance().new_parameter (prop->value());
+ Evoral::Parameter p = EventTypeMap::instance().from_symbol (prop->value());
if ((prop = (*i)->property (X_("state"))) == 0) {
error << _("Missing state property on AutomationState") << endmsg;
return -1;
}
-
AutoState s = static_cast<AutoState> (string_2_enum (prop->value(), s));
set_automation_state_of (p, s);
}
bool
MidiSource::empty () const
{
- return _length_beats == 0;
+ return !_length_beats;
}
framecnt_t
MidiSource::length (framepos_t pos) const
{
- if (_length_beats == 0) {
- return 0;
- }
+ if (!_length_beats) {
+ return 0;
+ }
BeatsFramesConverter converter(_session.tempo_map(), pos);
return converter.to(_length_beats);
}
void
-MidiSource::update_length (sframes_t /*pos*/, sframes_t /*cnt*/)
+MidiSource::update_length (framecnt_t)
{
// You're not the boss of me!
}
void
-MidiSource::invalidate ()
+MidiSource::invalidate (const Lock& lock)
{
_model_iter_valid = false;
_model_iter.invalidate();
}
-/** @param filtered A set of parameters whose MIDI messages will not be returned */
-nframes_t
-MidiSource::midi_read (Evoral::EventSink<nframes_t>& dst, sframes_t source_start,
- sframes_t start, nframes_t cnt,
- MidiStateTracker* tracker,
- std::set<Evoral::Parameter> const & filtered) const
+framecnt_t
+MidiSource::midi_read (const Lock& lm,
+ Evoral::EventSink<framepos_t>& dst,
+ framepos_t source_start,
+ framepos_t start,
+ framecnt_t cnt,
+ MidiStateTracker* tracker,
+ const std::set<Evoral::Parameter>& filtered) const
{
- Glib::Mutex::Lock lm (_lock);
-
BeatsFramesConverter converter(_session.tempo_map(), source_start);
- if (_model) {
- Evoral::Sequence<double>::const_iterator& i = _model_iter;
+ DEBUG_TRACE (DEBUG::MidiSourceIO,
+ string_compose ("MidiSource::midi_read() %5 sstart %1 start %2 cnt %3 tracker %4\n",
+ source_start, start, cnt, tracker, name()));
- // If the cached iterator is invalid, search for the first event past start
+ if (_model) {
+ // Find appropriate model iterator
+ Evoral::Sequence<Evoral::MusicalTime>::const_iterator& i = _model_iter;
if (_last_read_end == 0 || start != _last_read_end || !_model_iter_valid) {
- DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("*** %1 search for relevant iterator for %1 / %2\n", _name, source_start, start));
- for (i = _model->begin(0, false, filtered); i != _model->end(); ++i) {
- if (converter.to(i->time()) >= start) {
- break;
- }
- }
+ // Cached iterator is invalid, search for the first event past start
+ i = _model->begin(converter.from(start), false, filtered);
_model_iter_valid = true;
- } else {
- DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("*** %1 use cached iterator for %1 / %2\n", _name, source_start, start));
}
_last_read_end = start + cnt;
- // Read events up to end
+ // Copy events in [start, start + cnt) into dst
for (; i != _model->end(); ++i) {
- const sframes_t time_frames = converter.to(i->time());
+ const framecnt_t time_frames = converter.to(i->time());
if (time_frames < start + cnt) {
- /* convert event times to session frames by adding on the source start position in session frames */
+ // Offset by source start to convert event time to session time
dst.write (time_frames + source_start, i->event_type(), i->size(), i->buffer());
+ DEBUG_TRACE (DEBUG::MidiSourceIO,
+ string_compose ("%1: add event @ %2 type %3 size %4\n",
+ _name, time_frames + source_start, i->event_type(), i->size()));
+
if (tracker) {
- Evoral::MIDIEvent<Evoral::MusicalTime>& ev (*(Evoral::MIDIEvent<Evoral::MusicalTime>*) (&(*i)));
- if (ev.is_note_on()) {
- DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("\t%1 add note on %2 @ %3 velocity %4\n", _name, ev.note(), time_frames, (int) ev.velocity()));
- tracker->add (ev.note(), ev.channel());
- } else if (ev.is_note_off()) {
- DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("\t%1 add note off %2 @ %3\n", _name, ev.note(), time_frames));
- tracker->remove (ev.note(), ev.channel());
- }
+ tracker->track (*i);
}
} else {
+ DEBUG_TRACE (DEBUG::MidiSourceIO,
+ string_compose ("%1: reached end with event @ %2 vs. %3\n",
+ _name, time_frames, start+cnt));
break;
}
}
return cnt;
} else {
- return read_unlocked (dst, source_start, start, cnt, tracker);
+ return read_unlocked (lm, dst, source_start, start, cnt, tracker);
}
}
-nframes_t
-MidiSource::midi_write (MidiRingBuffer<nframes_t>& source, sframes_t source_start, nframes_t duration)
+framecnt_t
+MidiSource::midi_write (const Lock& lm,
+ MidiRingBuffer<framepos_t>& source,
+ framepos_t source_start,
+ framecnt_t cnt)
{
- Glib::Mutex::Lock lm (_lock);
- const nframes_t ret = write_unlocked (source, source_start, duration);
- _last_write_end += duration;
+ const framecnt_t ret = write_unlocked (lm, source, source_start, cnt);
+
+ if (cnt == max_framecnt) {
+ _last_read_end = 0;
+ invalidate(lm);
+ } else {
+ _capture_length += cnt;
+ }
+
return ret;
}
void
-MidiSource::mark_streaming_midi_write_started (NoteMode mode, sframes_t start_frame)
+MidiSource::mark_streaming_midi_write_started (const Lock& lock, NoteMode mode)
{
- set_timeline_position(start_frame);
-
if (_model) {
- _model->set_note_mode(mode);
- _model->start_write();
+ _model->set_note_mode (mode);
+ _model->start_write ();
}
- _last_write_end = start_frame;
_writing = true;
}
void
-MidiSource::mark_streaming_write_started ()
+MidiSource::mark_write_starting_now (framecnt_t position,
+ framecnt_t capture_length,
+ framecnt_t loop_length)
+{
+ /* I'm not sure if this is the best way to approach this, but
+ _capture_length needs to be set up with the transport frame
+ when a record actually starts, as it is used by
+ SMFSource::write_unlocked to decide whether incoming notes
+ are within the correct time range.
+ mark_streaming_midi_write_started (perhaps a more logical
+ place to do this) is not called at exactly the time when
+ record starts, and I don't think it necessarily can be
+ because it is not RT-safe.
+ */
+
+ set_timeline_position(position);
+ _capture_length = capture_length;
+ _capture_loop_length = loop_length;
+
+ BeatsFramesConverter converter(_session.tempo_map(), position);
+ _length_beats = converter.from(capture_length);
+}
+
+void
+MidiSource::mark_streaming_write_started (const Lock& lock)
{
NoteMode note_mode = _model ? _model->note_mode() : Sustained;
- mark_streaming_midi_write_started(note_mode, _session.transport_frame());
+ mark_streaming_midi_write_started (lock, note_mode);
}
void
-MidiSource::mark_streaming_write_completed ()
+MidiSource::mark_midi_streaming_write_completed (const Lock& lock,
+ Evoral::Sequence<Evoral::MusicalTime>::StuckNoteOption option,
+ Evoral::MusicalTime end)
{
if (_model) {
- _model->end_write(false);
+ _model->end_write (option, end);
+
+ /* Make captured controls discrete to play back user input exactly. */
+ for (MidiModel::Controls::iterator i = _model->controls().begin(); i != _model->controls().end(); ++i) {
+ if (i->second->list()) {
+ i->second->list()->set_interpolation(Evoral::ControlList::Discrete);
+ _interpolation_style.insert(std::make_pair(i->second->parameter(), Evoral::ControlList::Discrete));
+ }
+ }
}
_writing = false;
}
-boost::shared_ptr<MidiSource>
-MidiSource::clone (Evoral::MusicalTime begin, Evoral::MusicalTime end)
+void
+MidiSource::mark_streaming_write_completed (const Lock& lock)
{
- string newname = PBD::basename_nosuffix(_name.val());
- string newpath;
-
- /* get a new name for the MIDI file we're going to write to
- */
-
- do {
+ mark_midi_streaming_write_completed (lock, Evoral::Sequence<Evoral::MusicalTime>::DeleteStuckNotes);
+}
- newname = bump_name_once (newname, '-');
- /* XXX build path safely */
- newpath = _session.session_directory().midi_path().to_string() +"/"+ newname + ".mid";
+int
+MidiSource::write_to (const Lock& lock, boost::shared_ptr<MidiSource> newsrc, Evoral::MusicalTime begin, Evoral::MusicalTime end)
+{
+ Lock newsrc_lock (newsrc->mutex ());
- } while (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS));
-
- boost::shared_ptr<MidiSource> newsrc = boost::dynamic_pointer_cast<MidiSource>(
- SourceFactory::createWritable(DataType::MIDI, _session,
- newpath, false, _session.frame_rate()));
-
- newsrc->set_timeline_position(_timeline_position);
+ newsrc->set_timeline_position (_timeline_position);
newsrc->copy_interpolation_from (this);
newsrc->copy_automation_state_from (this);
- if (_model) {
- if (begin == Evoral::MinMusicalTime && end == Evoral::MaxMusicalTime) {
- _model->write_to (newsrc);
- } else {
- _model->write_section_to (newsrc, begin, end);
- }
- } else {
- error << string_compose (_("programming error: %1"), X_("no model for MidiSource during ::clone()"));
- return boost::shared_ptr<MidiSource>();
- }
-
- newsrc->flush_midi();
-
- /* force a reload of the model if the range is partial */
-
- if (begin != Evoral::MinMusicalTime || end != Evoral::MaxMusicalTime) {
- newsrc->load_model (true, true);
- } else {
- newsrc->set_model (_model);
+ if (_model) {
+ if (begin == Evoral::MinMusicalTime && end == Evoral::MaxMusicalTime) {
+ _model->write_to (newsrc, newsrc_lock);
+ } else {
+ _model->write_section_to (newsrc, newsrc_lock, begin, end);
+ }
+ } else {
+ error << string_compose (_("programming error: %1"), X_("no model for MidiSource during ::clone()"));
+ return -1;
}
-
- return newsrc;
-}
-void
-MidiSource::session_saved()
-{
- /* this writes a copy of the data to disk.
- XXX do we need to do this every time?
- */
+ newsrc->flush_midi(newsrc_lock);
- if (_model && _model->edited()) {
+ /* force a reload of the model if the range is partial */
+ if (begin != Evoral::MinMusicalTime || end != Evoral::MaxMusicalTime) {
+ newsrc->load_model (newsrc_lock, true);
+ } else {
+ newsrc->set_model (newsrc_lock, _model);
+ }
+ /* this file is not removable (but since it is MIDI, it is mutable) */
- // if the model is edited, write its contents into
- // the current source file (overwiting previous contents.
+ boost::dynamic_pointer_cast<FileSource> (newsrc)->prevent_deletion ();
- /* temporarily drop our reference to the model so that
- as the model pushes its current state to us, we don't
- try to update it.
- */
+ return 0;
+}
- boost::shared_ptr<MidiModel> mm = _model ;
- _model.reset ();
+void
+MidiSource::session_saved()
+{
+ Lock lm (_lock);
+
+ /* this writes a copy of the data to disk.
+ XXX do we need to do this every time?
+ */
- /* flush model contents to disk
- */
+ if (_model && _model->edited()) {
+ /* The model is edited, write its contents into the current source
+ file (overwiting previous contents). */
- mm->sync_to_source ();
+ /* Temporarily drop our reference to the model so that as the model
+ pushes its current state to us, we don't try to update it. */
+ boost::shared_ptr<MidiModel> mm = _model;
+ _model.reset ();
- /* reacquire model */
+ /* Flush model contents to disk. */
+ mm->sync_to_source (lm);
- _model = mm;
+ /* Reacquire model. */
+ _model = mm;
- } else {
- flush_midi();
- }
+ } else {
+ flush_midi(lm);
+ }
}
void
-MidiSource::set_note_mode(NoteMode mode)
+MidiSource::set_note_mode(const Lock& lock, NoteMode mode)
{
if (_model) {
_model->set_note_mode(mode);
}
void
-MidiSource::drop_model ()
+MidiSource::drop_model (const Lock& lock)
{
- _model.reset();
+ _model.reset();
+ invalidate(lock);
ModelChanged (); /* EMIT SIGNAL */
}
void
-MidiSource::set_model (boost::shared_ptr<MidiModel> m)
+MidiSource::set_model (const Lock& lock, boost::shared_ptr<MidiModel> m)
{
_model = m;
+ invalidate(lock);
ModelChanged (); /* EMIT SIGNAL */
}
-/** @return Interpolation style that should be used for control parameter \a p */
Evoral::ControlList::InterpolationStyle
MidiSource::interpolation_of (Evoral::Parameter p) const
{
if (interpolation_of (p) == s) {
return;
}
-
+
if (EventTypeMap::instance().interpolation_of (p) == s) {
/* interpolation type is being set to the default, so we don't need a note in our map */
_interpolation_style.erase (p);
if (automation_state_of (p) == s) {
return;
}
-
+
if (s == Play) {
/* automation state is being set to the default, so we don't need a note in our map */
_automation_state.erase (p);