X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsmf_source.cc;h=9d332b5453d72534d1e2a9cf1cd0b4cf6dd1bc12;hb=c7ff67004a51ae3f0453531c3d64bd9876f1df3b;hp=5c420bf986d7ec37cd9216b6c8e3d492c686617a;hpb=5385e93cc0b7947d9265668fcb7bcb524589c8f5;p=ardour.git diff --git a/libs/ardour/smf_source.cc b/libs/ardour/smf_source.cc index 5c420bf986..9d332b5453 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 @@ -24,21 +24,25 @@ #include #include #include +#include -#include "pbd/mountpoint.h" -#include "pbd/pathscanner.h" +#include "pbd/file_utils.h" #include "pbd/stl_delete.h" #include "pbd/strsplit.h" +#include "pbd/gstdio_compat.h" #include +#include -#include "evoral/SMFReader.hpp" #include "evoral/Control.hpp" +#include "evoral/SMF.hpp" -#include "ardour/audioengine.h" -#include "ardour/event_type_map.h" +#include "ardour/debug.h" +#include "ardour/midi_channel_filter.h" #include "ardour/midi_model.h" #include "ardour/midi_ring_buffer.h" +#include "ardour/midi_state_tracker.h" +#include "ardour/parameter_types.h" #include "ardour/session.h" #include "ardour/smf_source.h" @@ -46,23 +50,77 @@ using namespace ARDOUR; using namespace Glib; +using namespace PBD; +using namespace Evoral; +using namespace std; /** Constructor used for new internal-to-session files. File cannot exist. */ -SMFSource::SMFSource (Session& s, const ustring& path, bool embedded, Source::Flag flags) +SMFSource::SMFSource (Session& s, const string& path, Source::Flag flags) : Source(s, DataType::MIDI, path, flags) - , MidiSource(s, path) - , FileSource(s, DataType::MIDI, path, embedded, flags) + , MidiSource(s, path, flags) + , FileSource(s, DataType::MIDI, path, string(), flags) , Evoral::SMF() + , _open (false) , _last_ev_time_beats(0.0) , _last_ev_time_frames(0) + , _smf_last_read_end (0) + , _smf_last_read_time (0) { - if (init(_name, false)) { + /* note that origin remains empty */ + + if (init (_path, false)) { + throw failed_constructor (); + } + + assert (!Glib::file_test (_path, Glib::FILE_TEST_EXISTS)); + existence_check (); + + _flags = Source::Flag (_flags | Empty); + + /* file is not opened until write */ + + if (flags & Writable) { + return; + } + + if (open (_path)) { + throw failed_constructor (); + } + + _open = true; +} + +/** Constructor used for external-to-session files. File must exist. */ +SMFSource::SMFSource (Session& s, const string& path) + : Source(s, DataType::MIDI, path, Source::Flag (0)) + , MidiSource(s, path, Source::Flag (0)) + , FileSource(s, DataType::MIDI, path, string(), Source::Flag (0)) + , Evoral::SMF() + , _open (false) + , _last_ev_time_beats(0.0) + , _last_ev_time_frames(0) + , _smf_last_read_end (0) + , _smf_last_read_time (0) +{ + /* note that origin remains empty */ + + if (init (_path, true)) { throw failed_constructor (); } - - if (create(path)) { + + assert (Glib::file_test (_path, Glib::FILE_TEST_EXISTS)); + existence_check (); + + if (_flags & Writable) { + /* file is not opened until write */ + return; + } + + if (open (_path)) { throw failed_constructor (); } + + _open = true; } /** Constructor used for existing internal-to-session files. */ @@ -70,39 +128,105 @@ SMFSource::SMFSource (Session& s, const XMLNode& node, bool must_exist) : Source(s, node) , MidiSource(s, node) , FileSource(s, node, must_exist) + , _open (false) , _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)) { - throw failed_constructor (); + + /* we expect the file to exist, but if no MIDI data was ever added + it will have been removed at last session close. so, we don't + require it to exist if it was marked Empty. + */ + + try { + + if (init (_path, true)) { + throw failed_constructor (); + } + + } catch (MissingSource& err) { + + if (_flags & Source::Empty) { + /* we don't care that the file was not found, because + it was empty. But FileSource::init() will have + failed to set our _path correctly, so we have to do + this ourselves. Use the first entry in the search + path for MIDI files, which is assumed to be the + correct "main" location. + */ + std::vector sdirs = s.source_search_path (DataType::MIDI); + _path = Glib::build_filename (sdirs.front(), _path); + /* This might be important, too */ + _file_is_new = true; + } else { + /* pass it on */ + throw; + } + } + + if (!(_flags & Source::Empty)) { + assert (Glib::file_test (_path, Glib::FILE_TEST_EXISTS)); + existence_check (); + } else { + assert (_flags & Source::Writable); + /* file will be opened on write */ + return; } - - if (open(_path)) { + + if (open (_path)) { throw failed_constructor (); } + + _open = true; } SMFSource::~SMFSource () { if (removable()) { - unlink (_path.c_str()); + ::g_unlink (_path.c_str()); } } +int +SMFSource::open_for_write () +{ + if (create (_path)) { + return -1; + } + _open = true; + return 0; +} + +void +SMFSource::close () +{ + /* nothing to do: file descriptor is never kept open */ +} + /** All stamps in audio frames */ -nframes_t -SMFSource::read_unlocked (MidiRingBuffer& destination, sframes_t source_start, - sframes_t start, nframes_t duration, - sframes_t stamp_offset, sframes_t negative_stamp_offset) const +framecnt_t +SMFSource::read_unlocked (const Lock& lock, + Evoral::EventSink& destination, + framepos_t const source_start, + framepos_t start, + framecnt_t duration, + MidiStateTracker* tracker, + MidiChannelFilter* filter) const { 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; @@ -111,222 +235,284 @@ SMFSource::read_unlocked (MidiRingBuffer& destination, sframes_t sour uint8_t* ev_buffer = 0; size_t scratch_size = 0; // keep track of scratch to minimize reallocs - - BeatsFramesConverter converter(_session, source_start); - const uint64_t start_ticks = (uint64_t)(converter.from(start) * ppqn()); + BeatsFramesConverter converter(_session.tempo_map(), source_start); - if (_last_read_end == 0 || start != _last_read_end) { - cerr << "SMFSource::read_unlocked seeking to " << start << endl; + const uint64_t start_ticks = converter.from(start).to_ticks(); + DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("SMF read_unlocked: start in ticks %1\n", start_ticks)); + + 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 + duration; + _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 + duration; + + _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]); + + ev_type = midi_parameter_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 sframes_t ev_frame_time = converter.to(time / (double)ppqn()) + stamp_offset; + + /* 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(Evoral::Beats::ticks_at_rate(time, ppqn())) + source_start; if (ev_frame_time < start + duration) { - destination.write(ev_frame_time - negative_stamp_offset, ev_type, ev_size, ev_buffer); + if (!filter || !filter->filter(ev_buffer, ev_size)) { + destination.write (ev_frame_time, ev_type, ev_size, ev_buffer); + if (tracker) { + tracker->track(ev_buffer); + } + } } 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 duration; } -/** All stamps in audio frames */ -nframes_t -SMFSource::write_unlocked (MidiRingBuffer& source, sframes_t position, nframes_t duration) +framecnt_t +SMFSource::write_unlocked (const Lock& lock, + MidiRingBuffer& source, + framepos_t position, + framecnt_t cnt) { - _write_data_count = 0; - - nframes_t time; + if (!_writing) { + mark_streaming_write_started (lock); + } + + 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()) { + + if (_model && !_model->writing()) { _model->start_write(); } - Evoral::MIDIEvent ev; - + Evoral::MIDIEvent ev; while (true) { - bool ret = source.peek_time(&time); - g_debug ("time: %u, last_write_end: %lu, duration: %u", time, _last_write_end, duration); - if (!ret || time > _last_write_end + duration) { - if (!ret) g_debug ("peek failed"); - if (time > _last_write_end + duration) g_debug ("time: %u > last_write_end: %lu + duration: %u", time, _last_write_end, duration); - + /* Get the event time, in frames since session start but ignoring looping. */ + bool ret; + if (!(ret = source.peek ((uint8_t*)&time, sizeof (time)))) { + /* Ring is empty, no more events. */ break; } - ret = source.read_prefix(&time, &type, &size); - if (!ret) { - cerr << "ERROR: Unable to read event prefix, corrupt MIDI ring buffer" << endl; + if ((cnt != max_framecnt) && + (time > position + _capture_length + cnt)) { + /* The diskstream doesn't want us to write everything, and this + event is past the end of this block, so we're done for now. */ break; } + /* Read the time, type, and size of the event. */ + if (!(ret = source.read_prefix (&time, &type, &size))) { + error << _("Unable to read event prefix, corrupt MIDI ring") << endmsg; + break; + } + + /* Enlarge body buffer if necessary now that we know the size. */ if (size > buf_capacity) { buf_capacity = size; buf = (uint8_t*)realloc(buf, size); } + /* Read the event body into buffer. */ ret = source.read_contents(size, buf); if (!ret) { - cerr << "ERROR: Read time/size but not buffer, corrupt MIDI ring buffer" << endl; + error << _("Event has time and size but no body, corrupt MIDI ring") << endmsg; + break; + } + + /* Convert event time from absolute to source relative. */ + if (time < position) { + error << _("Event time is before MIDI source position") << endmsg; break; } - - assert(time >= position); time -= position; - + ev.set(buf, size, time); - ev.set_event_type(EventTypeMap::instance().midi_event_type(ev.buffer()[0])); + ev.set_event_type(midi_parameter_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; continue; } - - append_event_unlocked_frames(ev, position); - } - if (_model) { - set_default_controls_interpolation(); + append_event_frames(lock, ev, position); } - Evoral::SMF::flush(); - free(buf); - - ViewDataRangeReady(position + _last_write_end, duration); /* EMIT SIGNAL */ + Evoral::SMF::flush (); + free (buf); - return duration; + return cnt; } - -/** Append an event with a timestamp in beats (double) */ +/** Append an event with a timestamp in beats */ void -SMFSource::append_event_unlocked_beats (const Evoral::Event& ev) +SMFSource::append_event_beats (const Glib::Threads::Mutex::Lock& lock, + const Evoral::Event& ev) { - if (ev.size() == 0) { + if (!_writing || 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");*/ - - assert(ev.time() >= 0); - if (ev.time() < _last_ev_time_beats) { - cerr << "SMFSource: Warning: Skipping event with non-monotonic time" << endl; - return; +#if 0 + printf("SMFSource: %s - append_event_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"); +#endif + + Evoral::Beats time = ev.time(); + if (time < _last_ev_time_beats) { + const Evoral::Beats difference = _last_ev_time_beats - time; + if (difference.to_double() / (double)ppqn() < 1.0) { + /* Close enough. This problem occurs because Sequence is not + actually ordered due to fuzzy time comparison. I'm pretty sure + this is inherently a bad idea which causes problems all over the + place, but tolerate it here for now anyway. */ + time = _last_ev_time_beats; + } else { + /* Out of order by more than a tick. */ + warning << string_compose(_("Skipping event with unordered beat time %1 < %2 (off by %3 beats, %4 ticks)"), + ev.time(), _last_ev_time_beats, difference, difference.to_double() / (double)ppqn()) + << endmsg; + return; + } } - - _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()); - _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, time); + + const Evoral::Beats delta_time_beats = time - _last_ev_time_beats; + const uint32_t delta_time_ticks = delta_time_beats.to_ticks(ppqn()); + + Evoral::SMF::append_event_delta(delta_time_ticks, ev.size(), ev.buffer(), event_id); + _last_ev_time_beats = time; + _flags = Source::Flag (_flags & ~Empty); } -/** 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, sframes_t position) +SMFSource::append_event_frames (const Glib::Threads::Mutex::Lock& lock, + const Evoral::Event& ev, + framepos_t position) { - if (ev.size() == 0) { + if (!_writing || ev.size() == 0) { 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");*/ - + // printf("SMFSource: %s - append_event_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; + warning << string_compose(_("Skipping event with unordered frame time %1 < %2"), + ev.time(), _last_ev_time_frames) + << endmsg; return; } - - BeatsFramesConverter converter(_session, position); - - _length_beats = max(_length_beats, converter.from(ev.time())); - - const sframes_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())); - Evoral::SMF::append_event_delta(delta_time_ticks, ev.size(), ev.buffer()); - _last_ev_time_frames = ev.time(); + BeatsFramesConverter converter(_session.tempo_map(), position); + const Evoral::Beats ev_time_beats = converter.from(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) { - const double ev_time_beats = converter.from(ev.time()); - const Evoral::Event beat_ev( - ev.event_type(), ev_time_beats, ev.size(), (uint8_t*)ev.buffer()); - _model->append(beat_ev); + const Evoral::Event beat_ev (ev.event_type(), + ev_time_beats, + ev.size(), + const_cast(ev.buffer())); + _model->append (beat_ev, event_id); } + + _length_beats = max(_length_beats, ev_time_beats); + + const Evoral::Beats last_time_beats = converter.from (_last_ev_time_frames); + const Evoral::Beats delta_time_beats = ev_time_beats - last_time_beats; + const uint32_t delta_time_ticks = delta_time_beats.to_ticks(ppqn()); + + Evoral::SMF::append_event_delta(delta_time_ticks, ev.size(), ev.buffer(), event_id); + _last_ev_time_frames = ev.time(); + _flags = Source::Flag (_flags & ~Empty); } XMLNode& SMFSource::get_state () { - return MidiSource::get_state(); + 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) { - if (Source::set_state (node)) { + if (Source::set_state (node, version)) { return -1; } - if (MidiSource::set_state (node)) { + if (MidiSource::set_state (node, version)) { return -1; } - - if (FileSource::set_state (node)) { + + if (FileSource::set_state (node, version)) { return -1; } @@ -334,125 +520,272 @@ SMFSource::set_state (const XMLNode& node) } void -SMFSource::mark_streaming_midi_write_started (NoteMode mode, sframes_t start_frame) +SMFSource::mark_streaming_midi_write_started (const Lock& lock, NoteMode mode) { - 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 (lock, mode); Evoral::SMF::begin_write (); - _last_ev_time_beats = 0.0; + _last_ev_time_beats = Evoral::Beats(); _last_ev_time_frames = 0; } void -SMFSource::mark_streaming_write_completed () +SMFSource::mark_streaming_write_completed (const Lock& lock) { - MidiSource::mark_streaming_write_completed(); + mark_midi_streaming_write_completed (lock, Evoral::Sequence::DeleteStuckNotes); +} + +void +SMFSource::mark_midi_streaming_write_completed (const Lock& lm, Evoral::Sequence::StuckNoteOption stuck_notes_option, Evoral::Beats when) +{ + MidiSource::mark_midi_streaming_write_completed (lm, stuck_notes_option, when); if (!writable()) { + warning << string_compose ("attempt to write to unwritable SMF file %1", _path) << endmsg; return; } - - _model->set_edited(false); - Evoral::SMF::end_write (); + + if (_model) { + _model->set_edited(false); + } + + Evoral::SMF::end_write (_path); + + /* data in the file now, not removable */ + + mark_nonremovable (); } bool -SMFSource::safe_midi_file_extension (const Glib::ustring& file) +SMFSource::valid_midi_file (const string& file) { - return (file.rfind(".mid") != Glib::ustring::npos); + if (safe_midi_file_extension (file) ) { + return (SMF::test (file) ); + } + return false; +} + +bool +SMFSource::safe_midi_file_extension (const string& file) +{ + static regex_t compiled_pattern; + static bool compile = true; + const int nmatches = 2; + regmatch_t matches[nmatches]; + + if (Glib::file_test (file, Glib::FILE_TEST_EXISTS)) { + if (!Glib::file_test (file, Glib::FILE_TEST_IS_REGULAR)) { + /* exists but is not a regular file */ + return false; + } + } + + if (compile && regcomp (&compiled_pattern, "\\.[mM][iI][dD][iI]?$", REG_EXTENDED)) { + return false; + } else { + compile = false; + } + + if (regexec (&compiled_pattern, file.c_str(), nmatches, matches, 0)) { + return false; + } + + return true; +} + +static bool compare_eventlist ( + const std::pair< Evoral::Event*, gint >& a, + const std::pair< Evoral::Event*, gint >& b) { + return ( a.first->time() < b.first->time() ); } void -SMFSource::load_model (bool lock, bool force_reload) +SMFSource::load_model (const Glib::Threads::Mutex::Lock& lock, bool force_reload) { if (_writing) { return; } - - if (lock) { - Glib::Mutex::Lock lm (_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(); } + invalidate(lock); + + 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 - + Evoral::Event ev; + + 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) { - 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); - } + gint event_id; + bool have_event_id; + + // TODO simplify event allocation + std::list< std::pair< Evoral::Event*, gint > > eventlist; + + for (unsigned i = 1; i <= num_tracks(); ++i) { + if (seek_to_track(i)) continue; + + time = 0; + have_event_id = false; + + while ((ret = read_event (&delta_t, &size, &buf, &event_id)) >= 0) { - if (ev.size() > scratch_size) { - scratch_size = ev.size(); + time += delta_t; + + if (ret == 0) { + /* meta-event : did we get an event ID ? */ + if (event_id >= 0) { + have_event_id = true; + } + continue; + } + + if (ret > 0) { + /* not a meta-event */ + + if (!have_event_id) { + event_id = Evoral::next_event_id(); + } + const uint32_t event_type = midi_parameter_type(buf[0]); + const Evoral::Beats event_time = Evoral::Beats::ticks_at_rate(time, ppqn()); +#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 %7 load model delta %1, time %2, size %3 buf %4, type %5 id %6\n", + delta_t, time, size, ss , event_type, event_id, name())); +#endif + + eventlist.push_back(make_pair ( + new Evoral::Event ( + event_type, event_time, + size, buf, true) + , 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, event_time); + } + + /* event ID's must immediately precede the event they are for */ + have_event_id = false; } - ev.size() = scratch_size; // ensure read_event only allocates if necessary - - _length_beats = max(_length_beats, ev.time()); } - set_default_controls_interpolation(); - - _model->end_write(false); - _model->set_edited(false); + eventlist.sort(compare_eventlist); - _model_iter = _model->begin(); + std::list< std::pair< Evoral::Event*, gint > >::iterator it; + for (it=eventlist.begin(); it!=eventlist.end(); ++it) { + _model->append (*it->first, it->second); + delete it->first; + } + + // cerr << "----SMF-SRC-----\n"; + // _playback_buf->dump (cerr); + // cerr << "----------------\n"; + + _model->end_write (Evoral::Sequence::ResolveStuckNotes, _length_beats); + _model->set_edited (false); + invalidate(lock); free(buf); } -#define LINEAR_INTERPOLATION_MODE_WORKS_PROPERLY 0 +void +SMFSource::destroy_model (const Glib::Threads::Mutex::Lock& lock) +{ + //cerr << _name << " destroying model " << _model.get() << endl; + _model.reset(); + invalidate(lock); +} void -SMFSource::set_default_controls_interpolation () +SMFSource::flush_midi (const Lock& lock) { - // 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() || _length_beats == 0.0) { + return; } + + ensure_disk_file (lock); + + Evoral::SMF::end_write (_path); + /* data in the file means its no longer removable */ + mark_nonremovable (); + + invalidate(lock); } +void +SMFSource::set_path (const string& p) +{ + FileSource::set_path (p); +} +/** Ensure that this source has some file on disk, even if it's just a SMF header */ void -SMFSource::destroy_model () +SMFSource::ensure_disk_file (const Lock& lock) { - //cerr << _name << " destroying model " << _model.get() << endl; - _model.reset(); + if (!writable()) { + return; + } + + 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 (lock); + _model = mm; + invalidate(lock); + } 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 (); + } + } } void -SMFSource::flush_midi () +SMFSource::prevent_deletion () { - Evoral::SMF::end_write(); + /* Unlike the audio case, the MIDI file remains mutable (because we can + edit MIDI data) + */ + + _flags = Flag (_flags & ~(Removable|RemovableIfEmpty|RemoveAtDestroy)); } +