X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fmidi_source.cc;h=120ee29e8eff58a536cf2401f9dae4444bafcf7e;hb=73192bc1a7ea55fa1864dc3826845b15c00dd2ec;hp=2ece2f53cead56abe618e4777ea5d96555834350;hpb=acdc88f279760443dc7397290e9c4752af5b23c9;p=ardour.git diff --git a/libs/ardour/midi_source.cc b/libs/ardour/midi_source.cc index 2ece2f53ce..120ee29e8e 100644 --- a/libs/ardour/midi_source.cc +++ b/libs/ardour/midi_source.cc @@ -28,6 +28,8 @@ #include #include +#include + #include "pbd/xml++.h" #include "pbd/pthread_utils.h" #include "pbd/basename.h" @@ -49,7 +51,7 @@ using namespace std; using namespace ARDOUR; using namespace PBD; -sigc::signal MidiSource::MidiSourceCreated; +PBD::Signal1 MidiSource::MidiSourceCreated; MidiSource::MidiSource (Session& s, string name, Source::Flag flags) : Source(s, DataType::MIDI, name, flags) @@ -81,6 +83,7 @@ MidiSource::MidiSource (Session& s, const XMLNode& node) } } + MidiSource::~MidiSource () { } @@ -94,6 +97,18 @@ MidiSource::get_state () 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; } @@ -106,18 +121,69 @@ MidiSource::set_state (const XMLNode& node, int /*version*/) _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 (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 (string_2_enum (prop->value(), s)); + set_automation_state_of (p, s); + } + } + return 0; } -sframes_t -MidiSource::length (sframes_t pos) 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 (sframes_t /*pos*/, sframes_t /*cnt*/) +MidiSource::update_length (framepos_t /*pos*/, framecnt_t /*cnt*/) { // You're not the boss of me! } @@ -129,11 +195,12 @@ MidiSource::invalidate () _model_iter.invalidate(); } -nframes_t -MidiSource::midi_read (Evoral::EventSink& dst, sframes_t source_start, - sframes_t start, nframes_t cnt, - sframes_t stamp_offset, sframes_t negative_stamp_offset, - MidiStateTracker* tracker) const +/** @param filtered A set of parameters whose MIDI messages will not be returned */ +framecnt_t +MidiSource::midi_read (Evoral::EventSink& dst, framepos_t source_start, + framepos_t start, framecnt_t cnt, + MidiStateTracker* tracker, + std::set const & filtered) const { Glib::Mutex::Lock lm (_lock); @@ -145,7 +212,7 @@ MidiSource::midi_read (Evoral::EventSink& dst, sframes_t source_start // 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(); i != _model->end(); ++i) { + for (i = _model->begin(0, false, filtered); i != _model->end(); ++i) { if (converter.to(i->time()) >= start) { break; } @@ -159,14 +226,15 @@ MidiSource::midi_read (Evoral::EventSink& dst, sframes_t source_start // Read events up to end 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) { - dst.write(time_frames + stamp_offset - negative_stamp_offset, - i->event_type(), i->size(), i->buffer()); + /* 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& ev (*(Evoral::MIDIEvent*) (&(*i))); if (ev.is_note_on()) { - DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("\t%1 add note on %2 @ %3\n", _name, ev.note(), time_frames)); + 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)); @@ -179,21 +247,25 @@ MidiSource::midi_read (Evoral::EventSink& dst, sframes_t source_start } return cnt; } else { - return read_unlocked (dst, source_start, start, cnt, stamp_offset, negative_stamp_offset, tracker); + return read_unlocked (dst, source_start, start, cnt, tracker); } } -nframes_t -MidiSource::midi_write (MidiRingBuffer& source, sframes_t source_start, nframes_t duration) +/** 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& source, framepos_t source_start, framecnt_t duration) { Glib::Mutex::Lock lm (_lock); - const nframes_t ret = write_unlocked (source, source_start, duration); + 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, sframes_t start_frame) +MidiSource::mark_streaming_midi_write_started (NoteMode mode, framepos_t start_frame) { set_timeline_position(start_frame); @@ -223,45 +295,89 @@ MidiSource::mark_streaming_write_completed () _writing = false; } +boost::shared_ptr +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 newsrc = boost::dynamic_pointer_cast( + 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(); + } + + 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_midi(); + /* 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 newsrc = boost::dynamic_pointer_cast( - SourceFactory::createWritable(DataType::MIDI, _session, - newpath, false, _session.frame_rate())); - 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. - // cyclic dependency here, ugly :( - newsrc->set_model(_model); - _model->set_midi_source(newsrc.get()); + /* 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. + */ - newsrc->flush_midi(); + boost::shared_ptr mm = _model ; + _model.reset (); - Switched.emit(newsrc); - } + /* flush model contents to disk + */ + + mm->sync_to_source (); + + /* reacquire model */ + + _model = mm; + + } else { + flush_midi(); + } } void @@ -272,3 +388,108 @@ MidiSource::set_note_mode(NoteMode mode) } } +void +MidiSource::drop_model () +{ + _model.reset(); + ModelChanged (); /* EMIT SIGNAL */ +} + +void +MidiSource::set_model (boost::shared_ptr 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 s) +{ + copy_interpolation_from (s.get ()); +} + +void +MidiSource::copy_automation_state_from (boost::shared_ptr 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 */ +}