X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsmf_source.cc;h=f48fc301f71cd7d77de994c964814a8b91e29d06;hb=7d96960b162d25da87c388a3083775e8770bba56;hp=ab0c290191bbfa94f2fb20a5e3301652d777c8d6;hpb=458c588e2c7dfe7c0e62647fb5e0d0c06cdf8f04;p=ardour.git diff --git a/libs/ardour/smf_source.cc b/libs/ardour/smf_source.cc index ab0c290191..f48fc301f7 100644 --- a/libs/ardour/smf_source.cc +++ b/libs/ardour/smf_source.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2006 Paul Davis + Copyright (C) 2006 Paul Davis Written by Dave Robillard, 2006 This program is free software; you can redistribute it and/or modify @@ -25,70 +25,72 @@ #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/SMFReader.hpp" +#include "evoral/Control.hpp" -#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 "i18n.h" using namespace ARDOUR; - -string SMFSource::_search_path; +using namespace Glib; /** 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 ustring& path, Source::Flag flags) + : Source(s, DataType::MIDI, path, flags) + , MidiSource(s, path) + , FileSource(s, DataType::MIDI, path, 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) { - if (init(path, false)) { + if (init(_path, false)) { throw failed_constructor (); } - + if (create(path)) { throw failed_constructor (); } - assert(_name.find("/") == string::npos); + load_model(true, true); // FIXME } -/** 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) { - 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); + + load_model(true, true); // FIXME } SMFSource::~SMFSource () @@ -98,40 +100,14 @@ SMFSource::~SMFSource () } } -bool -SMFSource::removable () const -{ - return (_flags & Removable) && ((_flags & RemoveAtDestroy) || - ((_flags & RemovableIfEmpty) && is_empty())); -} - -int -SMFSource::init (string pathstr, bool must_exist) -{ - 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; -} - /** 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 +SMFSource::read_unlocked (Evoral::EventSink& destination, sframes_t source_start, + sframes_t start, nframes_t duration, + sframes_t stamp_offset, sframes_t negative_stamp_offset, + 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; @@ -144,42 +120,66 @@ SMFSource::read_unlocked (MidiRingBuffer& dst, nframes_t start, nfram size_t scratch_size = 0; // keep track of scratch to minimize reallocs - 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 = (uint64_t)(converter.from(start) * ppqn()); + + if (_smf_last_read_end == 0 || start != _smf_last_read_end) { + //cerr << "SMFSource::read_unlocked seeking to " << start << endl; Evoral::SMF::seek_to_start(); while (time < start_ticks) { ret = read_event(&ev_delta_t, &ev_size, &ev_buffer); 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 } } - - _last_read_end = start + dur; + + _smf_last_read_end = start + duration; while (true) { ret = read_event(&ev_delta_t, &ev_size, &ev_buffer); if (ret == -1) { // EOF break; } - + time += ev_delta_t; // accumulate delta time if (ret == 0) { // meta-event (skipped, just accumulate time) continue; } - + ev_type = EventTypeMap::instance().midi_event_type(ev_buffer[0]); - assert(time >= start_ticks); - const nframes_t ev_frame_time = _converter.to(time / (double)ppqn()) + stamp_offset; +#if 0 + cerr << "+++ SMF source read " + << " delta = " << ev_delta_t + << " time = " << time + << " buf[0] " << hex << (int) ev_buffer[0] << dec + << " type = " << ev_type; +#endif - if (ev_frame_time < start + dur) { - dst.write(ev_frame_time - negative_stamp_offset, ev_type, ev_size, ev_buffer); + assert(time >= start_ticks); + const sframes_t ev_frame_time = converter.to(time / (double)ppqn()) + stamp_offset; + +#if 0 + cerr << " frames = " << ev_frame_time + << " w/offset = " << ev_frame_time - negative_stamp_offset + << endl; +#endif + + if (ev_frame_time < start + duration) { + destination.write(ev_frame_time - negative_stamp_offset, 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; } @@ -191,37 +191,38 @@ SMFSource::read_unlocked (MidiRingBuffer& dst, nframes_t start, nfram } 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) +SMFSource::write_unlocked (MidiRingBuffer& source, sframes_t position, nframes_t duration) { _write_data_count = 0; - + nframes_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; while (true) { - bool ret = src.peek_time(&time); - if (!ret || time - _timeline_position > _length + dur) { + bool ret = source.peek_time(&time); + if (!ret || time > _last_write_end + duration) { break; } - ret = src.read_prefix(&time, &type, &size); + ret = source.read_prefix(&time, &type, &size); if (!ret) { + cerr << "ERROR: Unable to read event prefix, corrupt MIDI ring buffer" << endl; break; } @@ -230,24 +231,24 @@ 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; break; } - - assert(time >= _timeline_position); - time -= _timeline_position; - + + assert(time >= position); + time -= position; + ev.set(buf, size, time); ev.set_event_type(EventTypeMap::instance().midi_event_type(ev.buffer()[0])); 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); + + append_event_unlocked_frames(ev, position); } if (_model) { @@ -257,33 +258,33 @@ SMFSource::write_unlocked (MidiRingBuffer& src, nframes_t dur) Evoral::SMF::flush(); free(buf); - const nframes_t oldlen = _length; - update_length(oldlen, dur); + ViewDataRangeReady(position + _last_write_end, duration); /* EMIT SIGNAL */ - 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()); + 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; } - + + _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()); @@ -299,24 +300,28 @@ SMFSource::append_event_unlocked_beats(const Evoral::Event& ev) /** Append an event with a timestamp in frames (nframes_t) */ void -SMFSource::append_event_unlocked_frames(const Evoral::Event& ev) +SMFSource::append_event_unlocked_frames (const Evoral::Event& ev, sframes_t position) { + assert(_writing); if (ev.size() == 0) { return; } /*printf("SMFSource: %s - append_event_unlocked_frames time = %u, size = %u, data = ", - name().c_str(), ev.time(), ev.size()); + 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_frames) { cerr << "SMFSource: Warning: Skipping event with non-monotonic time" << endl; return; } - - const nframes_t delta_time_frames = ev.time() - _last_ev_time_frames; - const double delta_time_beats = _converter.from(delta_time_frames); + + BeatsFramesConverter converter(_session.tempo_map(), 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()); @@ -325,58 +330,41 @@ SMFSource::append_event_unlocked_frames(const Evoral::Event& ev) _write_data_count += ev.size(); if (_model) { - const double ev_time_beats = _converter.from(ev.time()); + 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); } } - 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; + return MidiSource::get_state(); } 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 () -{ - if (!writable()) { - return; - } - _flags = Flag (_flags | RemoveAtDestroy); -} - -void -SMFSource::mark_streaming_midi_write_started (NoteMode mode, nframes_t start_frame) +SMFSource::mark_streaming_midi_write_started (NoteMode mode, sframes_t start_frame) { + Glib::Mutex::Lock lm (_lock); MidiSource::mark_streaming_midi_write_started (mode, start_frame); Evoral::SMF::begin_write (); _last_ev_time_beats = 0.0; @@ -386,230 +374,33 @@ SMFSource::mark_streaming_midi_write_started (NoteMode mode, nframes_t start_fra void SMFSource::mark_streaming_write_completed () { + Glib::Mutex::Lock lm (_lock); MidiSource::mark_streaming_write_completed(); if (!writable()) { return; } - + _model->set_edited(false); Evoral::SMF::end_write (); } -void -SMFSource::mark_take (string id) -{ - if (writable()) { - _take_id = id; - } -} - -int -SMFSource::move_to_trash (const string trash_dir_name) -{ - if (!writable()) { - return -1; - } - - /* 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 (::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)); - - return 0; -} - bool -SMFSource::safe_file_extension(const Glib::ustring& file) +SMFSource::safe_midi_file_extension (const Glib::ustring& file) { return (file.rfind(".mid") != Glib::ustring::npos); } -// FIXME: Merge this with audiofilesource somehow (make a generic filesource?) -bool -SMFSource::find (string pathstr, bool must_exist, bool& isnew) -{ - 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; -} - -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; @@ -617,10 +408,10 @@ SMFSource::load_model(bool lock, bool force_reload) if (! _model) { _model = boost::shared_ptr(new MidiModel(this)); - cerr << _name << " loaded new model " << _model.get() << endl; + //cerr << _name << " loaded new model " << _model.get() << endl; } else { - cerr << _name << " reloading model " << _model.get() - << " (" << _model->n_notes() << " notes)" <n_notes() << " notes)" << endl;*/ _model->clear(); } @@ -629,9 +420,9 @@ SMFSource::load_model(bool lock, bool force_reload) uint64_t time = 0; /* in SMF ticks */ Evoral::Event ev; - + size_t scratch_size = 0; // keep track of scratch and minimize reallocs - + uint32_t delta_t = 0; uint32_t size = 0; uint8_t* buf = NULL; @@ -639,7 +430,7 @@ SMFSource::load_model(bool lock, bool force_reload) 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); @@ -649,10 +440,12 @@ SMFSource::load_model(bool lock, bool force_reload) scratch_size = ev.size(); } 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); @@ -661,34 +454,27 @@ SMFSource::load_model(bool lock, bool force_reload) free(buf); } -#define LINEAR_INTERPOLATION_MODE_WORKS_PROPERLY 0 - void -SMFSource::set_default_controls_interpolation() +SMFSource::set_default_controls_interpolation () { // 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 } } void -SMFSource::destroy_model() +SMFSource::destroy_model () { //cerr << _name << " destroying model " << _model.get() << endl; _model.reset(); } void -SMFSource::flush_midi() +SMFSource::flush_midi () { Evoral::SMF::end_write(); }