#include <iomanip>
#include <algorithm>
-#include <pbd/xml++.h>
-#include <pbd/pthread_utils.h>
-#include <pbd/basename.h>
-
-#include <ardour/midi_source.h>
-#include <ardour/midi_ring_buffer.h>
-#include <ardour/session.h>
-#include <ardour/session_directory.h>
-#include <ardour/source_factory.h>
+#include <glibmm/fileutils.h>
+
+#include "pbd/xml++.h"
+#include "pbd/pthread_utils.h"
+#include "pbd/basename.h"
+
+#include "ardour/audioengine.h"
+#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/session.h"
+#include "ardour/session_directory.h"
+#include "ardour/source_factory.h"
+#include "ardour/tempo.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
-sigc::signal<void,MidiSource *> MidiSource::MidiSourceCreated;
-
-MidiSource::MidiSource (Session& s, string name)
- : Source (s, name, DataType::MIDI)
- , _timeline_position(0)
- , _model(new MidiModel(s))
- , _writing (false)
+PBD::Signal1<void,MidiSource*> MidiSource::MidiSourceCreated;
+
+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)
{
- _read_data_count = 0;
- _write_data_count = 0;
}
-MidiSource::MidiSource (Session& s, const XMLNode& node)
- : Source (s, node)
- , _timeline_position(0)
- , _model(new MidiModel(s))
- , _writing (false)
+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)
{
_read_data_count = 0;
_write_data_count = 0;
- if (set_state (node)) {
+ if (set_state (node, Stateful::loading_state_version)) {
throw failed_constructor();
}
}
+
MidiSource::~MidiSource ()
{
}
node.add_property ("captured-for", _captured_for);
}
+ for (InterpolationStyleMap::const_iterator i = _interpolation_style.begin(); i != _interpolation_style.end(); ++i) {
+ XMLNode* child = node.add_child (X_("InterpolationStyle"));
+ child->add_property (X_("parameter"), EventTypeMap::instance().to_symbol (i->first));
+ child->add_property (X_("style"), enum_2_string (i->second));
+ }
+
+ for (AutomationStateMap::const_iterator i = _automation_state.begin(); i != _automation_state.end(); ++i) {
+ XMLNode* child = node.add_child (X_("AutomationState"));
+ child->add_property (X_("parameter"), EventTypeMap::instance().to_symbol (i->first));
+ child->add_property (X_("state"), enum_2_string (i->second));
+ }
+
return node;
}
int
-MidiSource::set_state (const XMLNode& node)
+MidiSource::set_state (const XMLNode& node, int /*version*/)
{
const XMLProperty* prop;
- Source::set_state (node);
-
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());
+
+ 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));
+ set_interpolation_of (p, s);
+
+ } else if ((*i)->name() == X_("AutomationState")) {
+
+ XMLProperty* prop;
+
+ 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());
+
+ 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);
+ }
+ }
+
return 0;
}
-nframes_t
-MidiSource::read (MidiRingBuffer& dst, nframes_t start, nframes_t cnt, nframes_t stamp_offset) const
+bool
+MidiSource::empty () const
+{
+ return _length_beats == 0;
+}
+
+framecnt_t
+MidiSource::length (framepos_t pos) const
+{
+ if (_length_beats == 0) {
+ return 0;
+ }
+
+ BeatsFramesConverter converter(_session.tempo_map(), pos);
+ return converter.to(_length_beats);
+}
+
+void
+MidiSource::update_length (framepos_t /*pos*/, framecnt_t /*cnt*/)
+{
+ // You're not the boss of me!
+}
+
+void
+MidiSource::invalidate ()
+{
+ _model_iter_valid = false;
+ _model_iter.invalidate();
+}
+
+/** @param filtered A set of parameters whose MIDI messages will not be returned */
+framecnt_t
+MidiSource::midi_read (Evoral::EventSink<framepos_t>& dst, framepos_t source_start,
+ framepos_t start, framecnt_t cnt,
+ MidiStateTracker* tracker,
+ std::set<Evoral::Parameter> const & filtered) const
{
Glib::Mutex::Lock lm (_lock);
+
+ BeatsFramesConverter converter(_session.tempo_map(), source_start);
+
if (_model) {
- /*const size_t n_events = */_model->read(dst, start, cnt, stamp_offset);
- //cout << "Read " << n_events << " events from model." << endl;
+ Evoral::Sequence<double>::const_iterator& i = _model_iter;
+
+ // If the cached iterator is invalid, search for the first event past start
+ 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;
+ }
+ }
+ _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
+ for (; i != _model->end(); ++i) {
+ 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 */
+ dst.write (time_frames + source_start, i->event_type(), i->size(), i->buffer());
+
+ 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());
+ }
+ }
+ } else {
+ break;
+ }
+ }
return cnt;
} else {
- return read_unlocked (dst, start, cnt, stamp_offset);
+ return read_unlocked (dst, source_start, start, cnt, tracker);
}
}
-nframes_t
-MidiSource::write (MidiRingBuffer& dst, nframes_t cnt)
+/** Write data from a MidiRingBuffer to this source.
+ * @param source Source to read from.
+ * @param source_start This source's start position in session frames.
+ */
+framecnt_t
+MidiSource::midi_write (MidiRingBuffer<framepos_t>& source, framepos_t source_start, framecnt_t duration)
{
Glib::Mutex::Lock lm (_lock);
- return write_unlocked (dst, cnt);
-}
-
-bool
-MidiSource::file_changed (string path)
-{
- struct stat stat_file;
-
- int e1 = stat (path.c_str(), &stat_file);
-
- return ( !e1 );
+ const framecnt_t ret = write_unlocked (source, source_start, duration);
+ _last_write_end += duration;
+ return ret;
}
void
-MidiSource::mark_streaming_midi_write_started (NoteMode mode, nframes_t start_frame)
+MidiSource::mark_streaming_midi_write_started (NoteMode mode, framepos_t start_frame)
{
- set_timeline_position(start_frame); // why do I have a feeling this can break somehow...
+ set_timeline_position(start_frame);
if (_model) {
_model->set_note_mode(mode);
_model->start_write();
}
-
+
+ _last_write_end = start_frame;
_writing = true;
}
void
MidiSource::mark_streaming_write_started ()
{
- if (_model)
- _model->start_write();
-
- _writing = true;
+ NoteMode note_mode = _model ? _model->note_mode() : Sustained;
+ mark_streaming_midi_write_started(note_mode, _session.transport_frame());
}
void
MidiSource::mark_streaming_write_completed ()
{
- if (_model)
- _model->end_write(false); // FIXME: param?
+ if (_model) {
+ _model->end_write(false);
+ }
_writing = false;
}
+boost::shared_ptr<MidiSource>
+MidiSource::clone (Evoral::MusicalTime begin, Evoral::MusicalTime end)
+{
+ string newname = PBD::basename_nosuffix(_name.val());
+ string newpath;
+
+ /* get a new name for the MIDI file we're going to write to
+ */
+
+ do {
+
+ newname = bump_name_once (newname, '-');
+ /* XXX build path safely */
+ newpath = _session.session_directory().midi_path().to_string() +"/"+ newname + ".mid";
+
+ } 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, string(), false, _session.frame_rate()));
+
+ 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);
+ }
+
+ return newsrc;
+}
+
void
MidiSource::session_saved()
{
- flush_header();
- flush_footer();
+ /* this writes a copy of the data to disk.
+ XXX do we need to do this every time?
+ */
if (_model && _model->edited()) {
- string newname;
- const string basename = PBD::basename_nosuffix(_name);
- string::size_type last_dash = basename.find_last_of("-");
- if (last_dash == string::npos || last_dash == basename.find_first_of("-")) {
- newname = basename + "-1";
- } else {
- stringstream ss(basename.substr(last_dash+1));
- unsigned write_count = 0;
- ss >> write_count;
- cerr << "WRITE COUNT: " << write_count << endl;
- ++write_count; // start at 1
- ss.clear();
- ss << basename.substr(0, last_dash) << "-" << write_count;
- newname = ss.str();
- }
- string newpath = _session.session_directory().midi_path().to_string() +"/"+ newname + ".mid";
- boost::shared_ptr<MidiSource> newsrc = boost::dynamic_pointer_cast<MidiSource>(
- SourceFactory::createWritable(DataType::MIDI, _session, newpath, 1, 0, true));
- newsrc->set_timeline_position(_timeline_position);
- _model->write_to(newsrc);
+ // if the model is edited, write its contents into
+ // the current source file (overwiting previous contents.
+
+ /* 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 ();
+
+ /* flush model contents to disk
+ */
+
+ mm->sync_to_source ();
+
+ /* reacquire model */
+
+ _model = mm;
- newsrc->set_model(_model);
- _model.reset();
-
- newsrc->flush_header();
- newsrc->flush_footer();
-
- Switched.emit(newsrc);
+ } else {
+ flush_midi();
+ }
+}
+
+void
+MidiSource::set_note_mode(NoteMode mode)
+{
+ if (_model) {
+ _model->set_note_mode(mode);
+ }
+}
+
+void
+MidiSource::drop_model ()
+{
+ _model.reset();
+ ModelChanged (); /* EMIT SIGNAL */
+}
+
+void
+MidiSource::set_model (boost::shared_ptr<MidiModel> m)
+{
+ _model = m;
+ 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
+{
+ InterpolationStyleMap::const_iterator i = _interpolation_style.find (p);
+ if (i == _interpolation_style.end()) {
+ return EventTypeMap::instance().interpolation_of (p);
}
+
+ return i->second;
}
+AutoState
+MidiSource::automation_state_of (Evoral::Parameter p) const
+{
+ AutomationStateMap::const_iterator i = _automation_state.find (p);
+ if (i == _automation_state.end()) {
+ /* default to `play', otherwise if MIDI is recorded /
+ imported with controllers etc. they are by default
+ not played back, which is a little surprising.
+ */
+ return Play;
+ }
+
+ return i->second;
+}
+
+/** Set interpolation style to be used for a given parameter. This change will be
+ * propagated to anyone who needs to know.
+ */
+void
+MidiSource::set_interpolation_of (Evoral::Parameter p, Evoral::ControlList::InterpolationStyle s)
+{
+ 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);
+ } else {
+ _interpolation_style[p] = s;
+ }
+
+ InterpolationChanged (p, s); /* EMIT SIGNAL */
+}
+
+void
+MidiSource::set_automation_state_of (Evoral::Parameter p, AutoState s)
+{
+ 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);
+ } else {
+ _automation_state[p] = s;
+ }
+
+ AutomationStateChanged (p, s); /* EMIT SIGNAL */
+}
+
+void
+MidiSource::copy_interpolation_from (boost::shared_ptr<MidiSource> s)
+{
+ copy_interpolation_from (s.get ());
+}
+
+void
+MidiSource::copy_automation_state_from (boost::shared_ptr<MidiSource> s)
+{
+ copy_automation_state_from (s.get ());
+}
+
+void
+MidiSource::copy_interpolation_from (MidiSource* s)
+{
+ _interpolation_style = s->_interpolation_style;
+
+ /* XXX: should probably emit signals here */
+}
+
+void
+MidiSource::copy_automation_state_from (MidiSource* s)
+{
+ _automation_state = s->_automation_state;
+
+ /* XXX: should probably emit signals here */
+}
projects / ardour.git / blobdiff