X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsmf_source.cc;h=52377ee9154c74a5af959af2499ef4443b7201f4;hb=bc3e1a212250a67e53e86c972287a275834a967a;hp=5fd09ef1bb3f81da51e5f6f32b77697c122fa39a;hpb=72f2f6e47eba3d4bd8f68e4ca1d575d2506c275f;p=ardour.git diff --git a/libs/ardour/smf_source.cc b/libs/ardour/smf_source.cc index 5fd09ef1bb..52377ee915 100644 --- a/libs/ardour/smf_source.cc +++ b/libs/ardour/smf_source.cc @@ -1,6 +1,6 @@ /* - Copyright (C) 2006 Paul Davis - Written by Dave Robillard, 2006 + Copyright (C) 2006 Paul Davis + 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 @@ -25,71 +25,73 @@ #include #include -#include -#include -#include -#include +#include "pbd/mountpoint.h" +#include "pbd/pathscanner.h" +#include "pbd/stl_delete.h" +#include "pbd/strsplit.h" #include -#include -#include +#include "evoral/Control.hpp" -#include -#include -#include -#include -#include -#include -#include +#include "ardour/audioengine.h" +#include "ardour/event_type_map.h" +#include "ardour/midi_model.h" +#include "ardour/midi_ring_buffer.h" +#include "ardour/midi_state_tracker.h" +#include "ardour/session.h" +#include "ardour/smf_source.h" +#include "ardour/debug.h" #include "i18n.h" using namespace ARDOUR; - -string SMFSource::_search_path; +using namespace Glib; +using namespace PBD; /** Constructor used for new internal-to-session files. File cannot exist. */ -SMFSource::SMFSource(Session& s, std::string path, Flag flags) - : MidiSource(s, region_name_from_path(path, false)) +SMFSource::SMFSource (Session& s, const string& path, Source::Flag flags) + : Source(s, DataType::MIDI, path, flags) + , MidiSource(s, path, flags) + , FileSource(s, DataType::MIDI, path, string(), flags) , Evoral::SMF() - , _flags(flags) - , _allow_remove_if_empty(true) , _last_ev_time_beats(0.0) , _last_ev_time_frames(0) + , _smf_last_read_end (0) + , _smf_last_read_time (0) { - if (init(path, false)) { - throw failed_constructor (); - } - - if (create(path)) { + /* note that origin remains empty */ + + if (init(_path, false)) { throw failed_constructor (); } - assert(_name.find("/") == string::npos); + /* file is not opened until write */ } -/** Constructor used for existing internal-to-session files. File must exist. */ -SMFSource::SMFSource(Session& s, const XMLNode& node) - : MidiSource(s, node) - , _flags(Flag(Writable|CanRename)) - , _allow_remove_if_empty(true) +/** Constructor used for existing internal-to-session files. */ +SMFSource::SMFSource (Session& s, const XMLNode& node, bool must_exist) + : Source(s, node) + , MidiSource(s, node) + , FileSource(s, node, must_exist) , _last_ev_time_beats(0.0) , _last_ev_time_frames(0) + , _smf_last_read_end (0) + , _smf_last_read_time (0) { - if (set_state(node)) { + if (set_state(node, Stateful::loading_state_version)) { throw failed_constructor (); } - - if (init(_name, true)) { + + if (init(_path, true)) { throw failed_constructor (); } - + if (open(_path)) { throw failed_constructor (); } - - assert(_name.find("/") == string::npos); + + _open = true; } SMFSource::~SMFSource () @@ -99,43 +101,31 @@ SMFSource::~SMFSource () } } -bool -SMFSource::removable () const -{ - return (_flags & Removable) && ((_flags & RemoveAtDestroy) || - ((_flags & RemovableIfEmpty) && is_empty())); -} - int -SMFSource::init (string pathstr, bool must_exist) +SMFSource::open_for_write () { - bool is_new = false; - - if (!find (pathstr, must_exist, is_new)) { - cerr << "cannot find " << pathstr << " with me = " << must_exist << endl; - return -1; - } - - if (is_new && must_exist) { - return -1; - } - - assert(_name.find("/") == string::npos); - return 0; + if (create (_path)) { + return -1; + } + _open = true; + return 0; } /** All stamps in audio frames */ -nframes_t -SMFSource::read_unlocked (MidiRingBuffer& dst, nframes_t start, nframes_t dur, - nframes_t stamp_offset, nframes_t negative_stamp_offset) const +framecnt_t +SMFSource::read_unlocked (Evoral::EventSink& destination, framepos_t const source_start, + framepos_t start, framecnt_t duration, + MidiStateTracker* tracker) const { - //cerr << "SMF read_unlocked " << name() << " read " - //<< start << ", count=" << dur << ", offset=" << stamp_offset << endl; - - int ret; + int ret = 0; uint64_t time = 0; // in SMF ticks, 1 tick per _ppqn - _read_data_count = 0; + if (writable() && !_open) { + /* nothing to read since nothing has ben written */ + return duration; + } + + 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; @@ -145,91 +135,123 @@ SMFSource::read_unlocked (MidiRingBuffer& dst, nframes_t start, nfram size_t scratch_size = 0; // keep track of scratch to minimize reallocs - // FIXME: assumes tempo never changes after start - const Tempo& tempo = _session.tempo_map().tempo_at(_timeline_position); - const double frames_per_beat = tempo.frames_per_beat( - _session.engine().frame_rate(), - _session.tempo_map().meter_at(_timeline_position)); - - const uint64_t start_ticks = (uint64_t)((start / frames_per_beat) * ppqn()); + BeatsFramesConverter converter(_session.tempo_map(), source_start); + + const uint64_t start_ticks = (uint64_t)(converter.from(start) * ppqn()); + DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("SMF read_unlocked: start in ticks %1\n", start_ticks)); - if (_last_read_end == 0 || start != _last_read_end) { - cerr << "SMFSource::read_unlocked seeking to " << start << endl; + if (_smf_last_read_end == 0 || start != _smf_last_read_end) { + DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("SMF read_unlocked: seek to %1\n", start)); Evoral::SMF::seek_to_start(); while (time < start_ticks) { - ret = read_event(&ev_delta_t, &ev_size, &ev_buffer); + gint ignored; + + ret = read_event(&ev_delta_t, &ev_size, &ev_buffer, &ignored); if (ret == -1) { // EOF - _last_read_end = start + dur; - return dur; + _smf_last_read_end = start + duration; + return duration; } time += ev_delta_t; // accumulate delta time } + } else { + DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("SMF read_unlocked: set time to %1\n", _smf_last_read_time)); + time = _smf_last_read_time; } - - _last_read_end = start + dur; + + _smf_last_read_end = start + duration; while (true) { - ret = read_event(&ev_delta_t, &ev_size, &ev_buffer); + gint ignored; /* XXX don't ignore note id's ??*/ + + ret = read_event(&ev_delta_t, &ev_size, &ev_buffer, &ignored); if (ret == -1) { // EOF break; } - + time += ev_delta_t; // accumulate delta time + _smf_last_read_time = time; if (ret == 0) { // meta-event (skipped, just accumulate time) continue; } - + ev_type = EventTypeMap::instance().midi_event_type(ev_buffer[0]); + DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("SMF read_unlocked delta %1, time %2, buf[0] %3, type %4\n", + ev_delta_t, time, ev_buffer[0], ev_type)); + assert(time >= start_ticks); - const nframes_t ev_frame_time = (nframes_t)( - ((time / (double)ppqn()) * frames_per_beat)) + stamp_offset; - if (ev_frame_time < start + dur) { - dst.write(ev_frame_time - negative_stamp_offset, ev_type, ev_size, ev_buffer); + /* Note that we add on the source start time (in session frames) here so that ev_frame_time + is in session frames. + */ + const framepos_t ev_frame_time = converter.to(time / (double)ppqn()) + source_start; + + if (ev_frame_time < start + duration) { + destination.write (ev_frame_time, ev_type, ev_size, ev_buffer); + + if (tracker) { + if (ev_buffer[0] & MIDI_CMD_NOTE_ON) { + tracker->add (ev_buffer[1], ev_buffer[0] & 0xf); + } else if (ev_buffer[0] & MIDI_CMD_NOTE_OFF) { + tracker->remove (ev_buffer[1], ev_buffer[0] & 0xf); + } + } } else { break; } - _read_data_count += ev_size; - if (ev_size > scratch_size) { scratch_size = ev_size; } ev_size = scratch_size; // ensure read_event only allocates if necessary } - - return dur; + + return duration; } -/** All stamps in audio frames */ -nframes_t -SMFSource::write_unlocked (MidiRingBuffer& src, nframes_t dur) +/** Write data to this source from a MidiRingBuffer. + * @param source Buffer to read from. + * @param position This source's start position in session frames. + */ +framecnt_t +SMFSource::write_unlocked (MidiRingBuffer& source, framepos_t position, framecnt_t duration) { - _write_data_count = 0; - - nframes_t time; + if (!_writing) { + mark_streaming_write_started (); + } + + framepos_t time; Evoral::EventType type; uint32_t size; size_t buf_capacity = 4; uint8_t* buf = (uint8_t*)malloc(buf_capacity); - + if (_model && ! _model->writing()) { _model->start_write(); } - Evoral::MIDIEvent ev(0, 0.0, 4, NULL, true); + Evoral::MIDIEvent ev; + + // cerr << "SMFSource::write unlocked, begins writing from src buffer with _last_write_end = " << _last_write_end << " dur = " << duration << endl; while (true) { - bool ret = src.peek_time(&time); - if (!ret || time - _timeline_position > _length + dur) { + bool ret; + + if (!(ret = source.peek ((uint8_t*)&time, sizeof (time)))) { + /* no more events to consider */ break; } - ret = src.read_prefix(&time, &type, &size); - if (!ret) { + 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; } @@ -238,159 +260,161 @@ SMFSource::write_unlocked (MidiRingBuffer& src, nframes_t dur) buf = (uint8_t*)realloc(buf, size); } - ret = src.read_contents(size, buf); + 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; } - - assert(time >= _timeline_position); - time -= _timeline_position; - + + /* convert from session time to time relative to the source start */ + assert(time >= position); + time -= position; + ev.set(buf, size, time); ev.set_event_type(EventTypeMap::instance().midi_event_type(ev.buffer()[0])); + ev.set_id (Evoral::next_event_id()); + if (!(ev.is_channel_event() || ev.is_smf_meta_event() || ev.is_sysex())) { - cerr << "SMFSource: WARNING: caller tried to write non SMF-Event of type " - << std::hex << int(ev.buffer()[0]) << endl; + /*cerr << "SMFSource: WARNING: caller tried to write non SMF-Event of type " + << std::hex << int(ev.buffer()[0]) << endl;*/ continue; } - - append_event_unlocked_frames(ev); - } - if (_model) { - set_default_controls_interpolation(); + append_event_unlocked_frames(ev, position); } Evoral::SMF::flush(); - free(buf); - - const nframes_t oldlen = _length; - update_length(oldlen, dur); + free (buf); - ViewDataRangeReady(_timeline_position + oldlen, dur); /* EMIT SIGNAL */ - - return dur; + return duration; } - + /** Append an event with a timestamp in beats (double) */ void -SMFSource::append_event_unlocked_beats(const Evoral::Event& ev) +SMFSource::append_event_unlocked_beats (const Evoral::Event& ev) { + assert(_writing); if (ev.size() == 0) { return; } - /*printf("SMFSource: %s - append_event_unlocked_beats time = %lf, size = %u, data = ", - name().c_str(), ev.time(), ev.size()); - for (size_t i = 0; i < ev.size(); ++i) printf("%X ", ev.buffer()[i]); printf("\n");*/ - + /*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");*/ + assert(ev.time() >= 0); if (ev.time() < _last_ev_time_beats) { cerr << "SMFSource: Warning: Skipping event with non-monotonic time" << endl; return; } - - const double delta_time_beats = ev.time() - _last_ev_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()); - _last_ev_time_beats = ev.time(); + Evoral::event_id_t event_id; - _write_data_count += ev.size(); + if (ev.id() < 0) { + event_id = Evoral::next_event_id(); + } else { + event_id = ev.id(); + } if (_model) { - _model->append(ev); + _model->append (ev, event_id); } + + _length_beats = max(_length_beats, ev.time()); + + const double delta_time_beats = ev.time() - _last_ev_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_beats = ev.time(); } -/** Append an event with a timestamp in frames (nframes_t) */ +/** Append an event with a timestamp in frames (framepos_t) */ void -SMFSource::append_event_unlocked_frames(const Evoral::Event& ev) +SMFSource::append_event_unlocked_frames (const Evoral::Event& ev, framepos_t position) { + assert(_writing); if (ev.size() == 0) { + cerr << "SMFSource: asked to append zero-size event\n"; return; } - /*printf("SMFSource: %s - append_event_unlocked_frames time = %u, size = %u, data = ", - name().c_str(), ev.time(), ev.size()); - for (size_t i=0; i < ev.size(); ++i) printf("%X ", ev.buffer()[i]); printf("\n");*/ - - assert(ev.time() >= 0); + /* printf("SMFSource: %s - append_event_unlocked_frames ID = %d time = %u, 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");*/ + if (ev.time() < _last_ev_time_frames) { cerr << "SMFSource: Warning: Skipping event with non-monotonic time" << endl; return; } - - // FIXME: assumes tempo never changes after start - const Tempo& tempo = _session.tempo_map().tempo_at(_timeline_position); - const double frames_per_beat = tempo.frames_per_beat( - _session.engine().frame_rate(), - _session.tempo_map().meter_at(_timeline_position)); - uint32_t delta_time = (uint32_t)((ev.time() - _last_ev_time_frames) - / frames_per_beat * (double)ppqn()); + BeatsFramesConverter converter(_session.tempo_map(), position); + const double ev_time_beats = converter.from(ev.time()); + Evoral::event_id_t event_id; - Evoral::SMF::append_event_delta(delta_time, ev.size(), ev.buffer()); - _last_ev_time_frames = ev.time(); - - _write_data_count += ev.size(); + if (ev.id() < 0) { + event_id = Evoral::next_event_id(); + } else { + event_id = ev.id(); + } if (_model) { - double beat_time = ev.time() / frames_per_beat; - const Evoral::Event beat_ev( - ev.event_type(), beat_time, ev.size(), (uint8_t*)ev.buffer()); - _model->append(beat_ev); + const Evoral::Event 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 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(); +} XMLNode& SMFSource::get_state () { - XMLNode& root (MidiSource::get_state()); - char buf[16]; - snprintf (buf, sizeof (buf), "0x%x", (int)_flags); - root.add_property ("flags", buf); - return root; + XMLNode& node = MidiSource::get_state(); + node.add_property (X_("origin"), _origin); + return node; } int -SMFSource::set_state (const XMLNode& node) +SMFSource::set_state (const XMLNode& node, int version) { - const XMLProperty* prop; - - if (MidiSource::set_state (node)) { + if (Source::set_state (node, version)) { return -1; } - if ((prop = node.property (X_("flags"))) != 0) { - int ival; - sscanf (prop->value().c_str(), "0x%x", &ival); - _flags = Flag (ival); - } else { - _flags = Flag (0); + if (MidiSource::set_state (node, version)) { + return -1; } - assert(_name.find("/") == string::npos); + if (FileSource::set_state (node, version)) { + return -1; + } return 0; } void -SMFSource::mark_for_remove () +SMFSource::mark_streaming_midi_write_started (NoteMode mode) { - if (!writable()) { - return; - } - _flags = Flag (_flags | RemoveAtDestroy); -} + /* CALLER MUST HOLD LOCK */ -void -SMFSource::mark_streaming_midi_write_started (NoteMode mode, nframes_t start_frame) -{ - MidiSource::mark_streaming_midi_write_started (mode, start_frame); + 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; @@ -399,310 +423,186 @@ SMFSource::mark_streaming_midi_write_started (NoteMode mode, nframes_t start_fra void SMFSource::mark_streaming_write_completed () { - MidiSource::mark_streaming_write_completed(); - - if (!writable()) { - return; - } - - _model->set_edited(false); - Evoral::SMF::end_write (); + mark_midi_streaming_write_completed (Evoral::Sequence::DeleteStuckNotes); } void -SMFSource::mark_take (string id) +SMFSource::mark_midi_streaming_write_completed (Evoral::Sequence::StuckNoteOption stuck_notes_option, Evoral::MusicalTime when) { - if (writable()) { - _take_id = id; - } -} + Glib::Mutex::Lock lm (_lock); + MidiSource::mark_midi_streaming_write_completed (stuck_notes_option, when); -int -SMFSource::move_to_trash (const string trash_dir_name) -{ if (!writable()) { - return -1; + return; } - /* don't move the file across filesystems, just stick it in the - trash_dir_name directory on whichever filesystem it was already on - */ - - Glib::ustring newpath; - newpath = Glib::path_get_dirname (_path); - newpath = Glib::path_get_dirname (newpath); - - newpath += string("/") + trash_dir_name + "/"; - newpath += Glib::path_get_basename (_path); - - /* the new path already exists, try versioning */ - if (access (newpath.c_str(), F_OK) == 0) { - char buf[PATH_MAX+1]; - int version = 1; - string newpath_v; - - snprintf (buf, sizeof (buf), "%s.%d", newpath.c_str(), version); - newpath_v = buf; - - while (access (newpath_v.c_str(), F_OK) == 0 && version < 999) { - snprintf (buf, sizeof (buf), "%s.%d", newpath.c_str(), ++version); - newpath_v = buf; - } - - if (version == 999) { - PBD::error << string_compose ( - _("there are already 1000 files with names like %1; versioning discontinued"), - newpath) << endmsg; - } else { - newpath = newpath_v; - } + if (_model) { + _model->set_edited(false); } - if (::rename (_path.c_str(), newpath.c_str()) != 0) { - PBD::error << string_compose ( - _("cannot rename midi file source from %1 to %2 (%3)"), - _path, newpath, strerror (errno)) << endmsg; - return -1; - } - - _path = newpath; - - /* file can not be removed twice, since the operation is not idempotent */ - _flags = Flag (_flags & ~(RemoveAtDestroy|Removable|RemovableIfEmpty)); + Evoral::SMF::end_write (); - return 0; -} + /* data in the file now, not removable */ -bool -SMFSource::safe_file_extension(const Glib::ustring& file) -{ - return (file.rfind(".mid") != Glib::ustring::npos); + mark_nonremovable (); } -// FIXME: Merge this with audiofilesource somehow (make a generic filesource?) bool -SMFSource::find (string pathstr, bool must_exist, bool& isnew) +SMFSource::safe_midi_file_extension (const string& file) { - bool ret = false; - - isnew = false; - - if (pathstr[0] != '/') { - - /* non-absolute pathname: find pathstr in search path */ - - vector dirs; - int cnt; - string fullpath; - string keeppath; - - if (_search_path.length() == 0) { - PBD::error << _("FileSource: search path not set") << endmsg; - goto out; - } - - split (_search_path, dirs, ':'); - - cnt = 0; - - for (vector::iterator i = dirs.begin(); i != dirs.end(); ++i) { - fullpath = *i; - if (fullpath[fullpath.length()-1] != '/') { - fullpath += '/'; - } - fullpath += pathstr; - - if (access (fullpath.c_str(), R_OK) == 0) { - keeppath = fullpath; - ++cnt; - } - } - - if (cnt > 1) { - - PBD::error << string_compose (_("FileSource: \"%1\" is ambigous when searching %2\n\t"), pathstr, _search_path) << endmsg; - goto out; - - } else if (cnt == 0) { - - if (must_exist) { - PBD::error << string_compose(_("Filesource: cannot find required file (%1): while searching %2"), pathstr, _search_path) << endmsg; - goto out; - } else { - isnew = true; - } - } - - _name = pathstr; - _path = keeppath; - ret = true; - - } else { - - /* external files and/or very very old style sessions include full paths */ - - _path = pathstr; - _name = pathstr.substr (pathstr.find_last_of ('/') + 1); - - if (access (_path.c_str(), R_OK) != 0) { - - /* file does not exist or we cannot read it */ - - if (must_exist) { - PBD::error << string_compose(_("Filesource: cannot find required file (%1): %2"), _path, strerror (errno)) << endmsg; - goto out; - } - - if (errno != ENOENT) { - PBD::error << string_compose(_("Filesource: cannot check for existing file (%1): %2"), _path, strerror (errno)) << endmsg; - goto out; - } - - /* a new file */ - - isnew = true; - ret = true; - - } else { - - /* already exists */ - - ret = true; - } - } - - out: - return ret; + return (file.rfind(".mid") != string::npos) || (file.rfind (".MID") != string::npos); } void -SMFSource::set_search_path (string p) -{ - _search_path = p; -} - - -void -SMFSource::set_allow_remove_if_empty (bool yn) -{ - if (writable()) { - _allow_remove_if_empty = yn; - } -} - -int -SMFSource::set_source_name (string newname, bool destructive) -{ - //Glib::Mutex::Lock lm (_lock); FIXME - string oldpath = _path; - string newpath = Session::change_midi_path_by_name (oldpath, _name, newname, destructive); - - if (newpath.empty()) { - PBD::error << string_compose (_("programming error: %1"), "cannot generate a changed midi path") << endmsg; - return -1; - } - - if (rename (oldpath.c_str(), newpath.c_str()) != 0) { - PBD::error << string_compose (_("cannot rename midi file for %1 to %2"), _name, newpath) << endmsg; - return -1; - } - - _name = Glib::path_get_basename (newpath); - _path = newpath; - - return 0; -} - -void -SMFSource::load_model(bool lock, bool force_reload) +SMFSource::load_model (bool lock, bool force_reload) { if (_writing) { return; } - - if (lock) { - Glib::Mutex::Lock lm (_lock); - } + + boost::shared_ptr lm; + if (lock) + lm = boost::shared_ptr(new Glib::Mutex::Lock(_lock)); if (_model && !force_reload) { return; } - if (! _model) { - _model = boost::shared_ptr(new MidiModel(this)); - cerr << _name << " loaded new model " << _model.get() << endl; + if (!_model) { + _model = boost::shared_ptr (new MidiModel (shared_from_this ())); } else { - cerr << _name << " reloading model " << _model.get() - << " (" << _model->n_notes() << " notes)" <clear(); } + if (writable() && !_open) { + return; + } + _model->start_write(); Evoral::SMF::seek_to_start(); uint64_t time = 0; /* in SMF ticks */ Evoral::Event 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; uint8_t* buf = NULL; int ret; - while ((ret = read_event(&delta_t, &size, &buf)) >= 0) { + gint event_id; + bool have_event_id = false; + + while ((ret = read_event (&delta_t, &size, &buf, &event_id)) >= 0) { + time += delta_t; - ev.set(buf, size, time / (double)ppqn()); - - if (ret > 0) { // didn't skip (meta) event - ev.set_event_type(EventTypeMap::instance().midi_event_type(buf[0])); - _model->append(ev); + + if (ret == 0) { + + /* meta-event : did we get an event ID ? + */ + + if (event_id >= 0) { + have_event_id = true; + } + + continue; } - if (ev.size() > scratch_size) { - scratch_size = ev.size(); + if (ret > 0) { + + /* not a meta-event */ + + ev.set (buf, size, time / (double)ppqn()); + ev.set_event_type(EventTypeMap::instance().midi_event_type(buf[0])); + + if (!have_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]); + ss += b; + } + + 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); + + // 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()); } - ev.size() = scratch_size; // ensure read_event only allocates if necessary + + /* event ID's must immediately precede the event they are for + */ + + have_event_id = false; } - set_default_controls_interpolation(); - - _model->end_write(false); - _model->set_edited(false); + _model->end_write (Evoral::Sequence::ResolveStuckNotes, _length_beats); + _model->set_edited (false); _model_iter = _model->begin(); free(buf); } -#define LINEAR_INTERPOLATION_MODE_WORKS_PROPERLY 0 +void +SMFSource::destroy_model () +{ + //cerr << _name << " destroying model " << _model.get() << endl; + _model.reset(); +} void -SMFSource::set_default_controls_interpolation() +SMFSource::flush_midi () { - // set interpolation style to defaults, can be changed by the GUI later - Evoral::ControlSet::Controls controls = _model->controls(); - for (Evoral::ControlSet::Controls::iterator c = controls.begin(); c != controls.end(); ++c) { - (*c).second->list()->set_interpolation( - // to be enabled when ControlList::rt_safe_earliest_event_linear_unlocked works properly - #if LINEAR_INTERPOLATION_MODE_WORKS_PROPERLY - EventTypeMap::instance().interpolation_of((*c).first)); - #else - Evoral::ControlList::Discrete); - #endif + if (!writable() || (writable() && !_open)) { + return; } -} + Evoral::SMF::end_write (); + /* data in the file means its no longer removable */ + mark_nonremovable (); +} void -SMFSource::destroy_model() +SMFSource::set_path (const string& p) { - //cerr << _name << " destroying model " << _model.get() << endl; - _model.reset(); + 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::flush_midi() +SMFSource::ensure_disk_file () { - Evoral::SMF::end_write(); + 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 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 (); + } }