X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fmidi_source.cc;h=18efd4e9ea1588052fcfc3f825ccdbc630faee91;hb=baa00942a20856cf332f547086ed5ebd2ff9078e;hp=1887b74302104db67fc2018d8bc3bb43f5d5994e;hpb=17ad0a0b61a887362ce07b1f8b59de003ddd9233;p=ardour.git diff --git a/libs/ardour/midi_source.cc b/libs/ardour/midi_source.cc index 1887b74302..18efd4e9ea 100644 --- a/libs/ardour/midi_source.cc +++ b/libs/ardour/midi_source.cc @@ -34,15 +34,22 @@ #include "pbd/pthread_utils.h" #include "pbd/basename.h" +#include "evoral/Control.hpp" +#include "evoral/EventSink.hpp" + #include "ardour/debug.h" +#include "ardour/file_source.h" +#include "ardour/midi_channel_filter.h" +#include "ardour/midi_cursor.h" #include "ardour/midi_model.h" -#include "ardour/midi_state_tracker.h" #include "ardour/midi_source.h" +#include "ardour/midi_state_tracker.h" #include "ardour/session.h" #include "ardour/session_directory.h" #include "ardour/source_factory.h" +#include "ardour/tempo.h" -#include "i18n.h" +#include "pbd/i18n.h" namespace ARDOUR { template class MidiRingBuffer; } @@ -50,14 +57,10 @@ using namespace std; using namespace ARDOUR; using namespace PBD; -PBD::Signal1 MidiSource::MidiSourceCreated; - MidiSource::MidiSource (Session& s, string name, Source::Flag flags) : Source(s, DataType::MIDI, name, flags) , _writing(false) - , _model_iter_valid(false) , _length_beats(0.0) - , _last_read_end(0) , _capture_length(0) , _capture_loop_length(0) { @@ -66,9 +69,7 @@ MidiSource::MidiSource (Session& s, string name, Source::Flag flags) MidiSource::MidiSource (Session& s, const XMLNode& node) : Source(s, node) , _writing(false) - , _model_iter_valid(false) , _length_beats(0.0) - , _last_read_end(0) , _capture_length(0) , _capture_loop_length(0) { @@ -77,9 +78,10 @@ MidiSource::MidiSource (Session& s, const XMLNode& node) } } - MidiSource::~MidiSource () { + /* invalidate any existing iterators */ + Invalidated (false); } XMLNode& @@ -88,19 +90,19 @@ MidiSource::get_state () XMLNode& node (Source::get_state()); if (_captured_for.length()) { - node.add_property ("captured-for", _captured_for); + node.set_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)); + child->set_property (X_("parameter"), EventTypeMap::instance().to_symbol (i->first)); + child->set_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)); + child->set_property (X_("parameter"), EventTypeMap::instance().to_symbol (i->first)); + child->set_property (X_("state"), enum_2_string (i->second)); } return node; @@ -109,49 +111,52 @@ MidiSource::get_state () int MidiSource::set_state (const XMLNode& node, int /*version*/) { - const XMLProperty* prop; - - if ((prop = node.property ("captured-for")) != 0) { - _captured_for = prop->value(); - } + node.get_property ("captured-for", _captured_for); + std::string str; 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) { + if (!(*i)->get_property (X_("parameter"), str)) { error << _("Missing parameter property on InterpolationStyle") << endmsg; return -1; } + Evoral::Parameter p = EventTypeMap::instance().from_symbol (str); + + switch (p.type()) { + case MidiCCAutomation: + case MidiPgmChangeAutomation: break; + case MidiChannelPressureAutomation: break; + case MidiNotePressureAutomation: break; + case MidiPitchBenderAutomation: break; + case MidiSystemExclusiveAutomation: + cerr << "Parameter \"" << str << "\" is system exclusive - no automation possible!\n"; + continue; + default: + cerr << "Parameter \"" << str << "\" found for MIDI source ... not legal; ignoring this parameter\n"; + continue; + } - Evoral::Parameter p = EventTypeMap::instance().new_parameter (prop->value()); - - if ((prop = (*i)->property (X_("style"))) == 0) { + if (!(*i)->get_property (X_("style"), str)) { error << _("Missing style property on InterpolationStyle") << endmsg; return -1; } - - Evoral::ControlList::InterpolationStyle s = static_cast (string_2_enum (prop->value(), s)); + Evoral::ControlList::InterpolationStyle s = + static_cast(string_2_enum (str, s)); set_interpolation_of (p, s); } else if ((*i)->name() == X_("AutomationState")) { - - XMLProperty* prop; - - if ((prop = (*i)->property (X_("parameter"))) == 0) { + if (!(*i)->get_property (X_("parameter"), str)) { error << _("Missing parameter property on AutomationState") << endmsg; return -1; } + Evoral::Parameter p = EventTypeMap::instance().from_symbol (str); - Evoral::Parameter p = EventTypeMap::instance().new_parameter (prop->value()); - - if ((prop = (*i)->property (X_("state"))) == 0) { + if (!(*i)->get_property (X_("state"), str)) { error << _("Missing state property on AutomationState") << endmsg; return -1; } - - AutoState s = static_cast (string_2_enum (prop->value(), s)); + AutoState s = static_cast(string_2_enum (str, s)); set_automation_state_of (p, s); } } @@ -162,110 +167,157 @@ MidiSource::set_state (const XMLNode& node, int /*version*/) bool MidiSource::empty () const { - return _length_beats == 0; + return !_length_beats; } -framecnt_t -MidiSource::length (framepos_t pos) const +samplecnt_t +MidiSource::length (samplepos_t pos) const { - if (_length_beats == 0) { + if (!_length_beats) { return 0; } - BeatsFramesConverter converter(_session.tempo_map(), pos); + BeatsSamplesConverter converter(_session.tempo_map(), pos); return converter.to(_length_beats); } void -MidiSource::update_length (framecnt_t) +MidiSource::update_length (samplecnt_t) { // You're not the boss of me! } void -MidiSource::invalidate () +MidiSource::invalidate (const Lock& lock) { - _model_iter_valid = false; - _model_iter.invalidate(); + Invalidated(_session.transport_rolling()); } -/** @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 +samplecnt_t +MidiSource::midi_read (const Lock& lm, + Evoral::EventSink& dst, + samplepos_t source_start, + samplepos_t start, + samplecnt_t cnt, + Evoral::Range* loop_range, + MidiCursor& cursor, + MidiStateTracker* tracker, + MidiChannelFilter* filter, + const std::set& filtered, + const double pos_beats, + const double start_beats) const { - Glib::Threads::Mutex::Lock lm (_lock); + BeatsSamplesConverter converter(_session.tempo_map(), source_start); - BeatsFramesConverter converter(_session.tempo_map(), source_start); + const double start_qn = pos_beats - start_beats; - DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("MidiSource::midi-read() %5 sstart %1 start %2 cnt %3 tracker %4\n", - source_start, start, cnt, tracker, name())); + DEBUG_TRACE (DEBUG::MidiSourceIO, + string_compose ("MidiSource::midi_read() %5 sstart %1 start %2 cnt %3 tracker %4\n", + source_start, start, cnt, tracker, name())); + + if (!_model) { + return read_unlocked (lm, dst, source_start, start, cnt, loop_range, tracker, filter); + } + + // Find appropriate model iterator + Evoral::Sequence::const_iterator& i = cursor.iter; + const bool linear_read = cursor.last_read_end != 0 && start == cursor.last_read_end; + if (!linear_read || !i.valid()) { + /* Cached iterator is invalid, search for the first event past start. + Note that multiple tracks can use a MidiSource simultaneously, so + all playback state must be in parameters (the cursor) and must not + be cached in the source of model itself. + See http://tracker.ardour.org/view.php?id=6541 + */ + cursor.connect(Invalidated); + cursor.iter = _model->begin(converter.from(start), false, filtered, &cursor.active_notes); + cursor.active_notes.clear(); + } + + cursor.last_read_end = start + cnt; + + // Copy events in [start, start + cnt) into dst + for (; i != _model->end(); ++i) { + + // Offset by source start to convert event time to session time + + samplepos_t time_samples = _session.tempo_map().sample_at_quarter_note (i->time().to_double() + start_qn); + + if (time_samples < start + source_start) { + /* event too early */ + + continue; + + } else if (time_samples >= start + cnt + source_start) { + + DEBUG_TRACE (DEBUG::MidiSourceIO, + string_compose ("%1: reached end with event @ %2 vs. %3\n", + _name, time_samples, start+cnt)); + break; - if (_model) { - Evoral::Sequence::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) { - DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("***\tstop iterator search @ %1\n", i->time())); - break; - } - } - _model_iter_valid = true; } else { - DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("*** %1 use cachediterator 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()); - - DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("%1: add event @ %2 type %3 size = %4\n", - _name, time_frames + source_start, i->event_type(), i->size())); - - if (tracker) { - Evoral::MIDIEvent& ev (*(reinterpret_cast*> - (const_cast*> (&(*i))))); - if (ev.is_note_on()) { - DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("\t%1 track note on %2 @ %3 velocity %4\n", _name, (int) 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 track note off %2 @ %3\n", _name, (int) ev.note(), time_frames)); - tracker->remove (ev.note(), ev.channel()); - } + /* in range */ + + if (loop_range) { + time_samples = loop_range->squish (time_samples); + } + + const uint8_t status = i->buffer()[0]; + const bool is_channel_event = (0x80 <= (status & 0xF0)) && (status <= 0xE0); + if (filter && is_channel_event) { + /* Copy event so the filter can modify the channel. I'm not + sure if this is necessary here (channels are mapped later in + buffers anyway), but it preserves existing behaviour without + destroying events in the model during read. */ + Evoral::Event ev(*i, true); + if (!filter->filter(ev.buffer(), ev.size())) { + dst.write(time_samples, ev.event_type(), ev.size(), ev.buffer()); + } else { + DEBUG_TRACE (DEBUG::MidiSourceIO, + string_compose ("%1: filter event @ %2 type %3 size %4\n", + _name, time_samples, i->event_type(), i->size())); } } else { - DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("%1: reached end with event @ %2 vs. %3\n", - _name, time_frames, start+cnt)); - break; + dst.write (time_samples, i->event_type(), i->size(), i->buffer()); + } + +#ifndef NDEBUG + if (DEBUG_ENABLED(DEBUG::MidiSourceIO)) { + DEBUG_STR_DECL(a); + DEBUG_STR_APPEND(a, string_compose ("%1 added event @ %2 sz %3 within %4 .. %5 ", + _name, time_samples, i->size(), + start + source_start, start + cnt + source_start)); + for (size_t n=0; n < i->size(); ++n) { + DEBUG_STR_APPEND(a,hex); + DEBUG_STR_APPEND(a,"0x"); + DEBUG_STR_APPEND(a,(int)i->buffer()[n]); + DEBUG_STR_APPEND(a,' '); + } + DEBUG_STR_APPEND(a,'\n'); + DEBUG_TRACE (DEBUG::MidiSourceIO, DEBUG_STR(a).str()); + } +#endif + + if (tracker) { + tracker->track (*i); } } - return cnt; - } else { - return read_unlocked (dst, source_start, start, cnt, tracker); } + + return cnt; } -framecnt_t -MidiSource::midi_write (MidiRingBuffer& source, - framepos_t source_start, - framecnt_t cnt) +samplecnt_t +MidiSource::midi_write (const Lock& lm, + MidiRingBuffer& source, + samplepos_t source_start, + samplecnt_t cnt) { - Glib::Threads::Mutex::Lock lm (_lock); + const samplecnt_t ret = write_unlocked (lm, source, source_start, cnt); - const framecnt_t ret = write_unlocked (source, source_start, cnt); - - if (cnt == max_framecnt) { - _last_read_end = 0; + if (cnt == max_samplecnt) { + invalidate(lm); } else { _capture_length += cnt; } @@ -274,7 +326,7 @@ MidiSource::midi_write (MidiRingBuffer& source, } void -MidiSource::mark_streaming_midi_write_started (NoteMode mode) +MidiSource::mark_streaming_midi_write_started (const Lock& lock, NoteMode mode) { if (_model) { _model->set_note_mode (mode); @@ -285,12 +337,12 @@ MidiSource::mark_streaming_midi_write_started (NoteMode mode) } void -MidiSource::mark_write_starting_now (framecnt_t position, - framecnt_t capture_length, - framecnt_t loop_length) +MidiSource::mark_write_starting_now (samplecnt_t position, + samplecnt_t capture_length, + samplecnt_t loop_length) { /* I'm not sure if this is the best way to approach this, but - _capture_length needs to be set up with the transport frame + _capture_length needs to be set up with the transport sample when a record actually starts, as it is used by SMFSource::write_unlocked to decide whether incoming notes are within the correct time range. @@ -304,122 +356,130 @@ MidiSource::mark_write_starting_now (framecnt_t position, _capture_length = capture_length; _capture_loop_length = loop_length; - BeatsFramesConverter converter(_session.tempo_map(), position); + TempoMap& map (_session.tempo_map()); + BeatsSamplesConverter converter(map, position); _length_beats = converter.from(capture_length); } void -MidiSource::mark_streaming_write_started () +MidiSource::mark_streaming_write_started (const Lock& lock) { NoteMode note_mode = _model ? _model->note_mode() : Sustained; - mark_streaming_midi_write_started (note_mode); + mark_streaming_midi_write_started (lock, note_mode); } void -MidiSource::mark_midi_streaming_write_completed (Evoral::Sequence::StuckNoteOption option, Evoral::MusicalTime end) +MidiSource::mark_midi_streaming_write_completed (const Lock& lock, + Evoral::Sequence::StuckNoteOption option, + Temporal::Beats end) { if (_model) { _model->end_write (option, end); + + /* Make captured controls discrete to play back user input exactly. */ + for (MidiModel::Controls::iterator i = _model->controls().begin(); i != _model->controls().end(); ++i) { + if (i->second->list()) { + i->second->list()->set_interpolation(Evoral::ControlList::Discrete); + _interpolation_style.insert(std::make_pair(i->second->parameter(), Evoral::ControlList::Discrete)); + } + } } + invalidate(lock); _writing = false; } void -MidiSource::mark_streaming_write_completed () +MidiSource::mark_streaming_write_completed (const Lock& lock) { - mark_midi_streaming_write_completed (Evoral::Sequence::DeleteStuckNotes); + mark_midi_streaming_write_completed (lock, Evoral::Sequence::DeleteStuckNotes); } -boost::shared_ptr -MidiSource::clone (const string& path, Evoral::MusicalTime begin, Evoral::MusicalTime end) +int +MidiSource::export_write_to (const Lock& lock, boost::shared_ptr newsrc, Temporal::Beats begin, Temporal::Beats end) { - string newname = PBD::basename_nosuffix(_name.val()); - string newpath; - - if (path.empty()) { - - /* get a new name for the MIDI file we're going to write to - */ - - do { - newname = bump_name_once (newname, '-'); - newpath = Glib::build_filename (_session.session_directory().midi_path(), newname + ".mid"); - - } while (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)); - } else { - /* caller must check for pre-existing file */ - newpath = path; + Lock newsrc_lock (newsrc->mutex ()); + + if (!_model) { + error << string_compose (_("programming error: %1"), X_("no model for MidiSource during export")); + return -1; } - boost::shared_ptr newsrc = boost::dynamic_pointer_cast( - SourceFactory::createWritable(DataType::MIDI, _session, - newpath, false, _session.frame_rate())); + _model->write_section_to (newsrc, newsrc_lock, begin, end, true); + + newsrc->flush_midi(newsrc_lock); + + return 0; +} + +int +MidiSource::write_to (const Lock& lock, boost::shared_ptr newsrc, Temporal::Beats begin, Temporal::Beats end) +{ + Lock newsrc_lock (newsrc->mutex ()); - newsrc->set_timeline_position(_timeline_position); + 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); + if (begin == Temporal::Beats() && end == std::numeric_limits::max()) { + _model->write_to (newsrc, newsrc_lock); } else { - _model->write_section_to (newsrc, begin, end); + _model->write_section_to (newsrc, newsrc_lock, begin, end); } } else { error << string_compose (_("programming error: %1"), X_("no model for MidiSource during ::clone()")); - return boost::shared_ptr(); + return -1; } - newsrc->flush_midi(); + newsrc->flush_midi(newsrc_lock); /* force a reload of the model if the range is partial */ - if (begin != Evoral::MinMusicalTime || end != Evoral::MaxMusicalTime) { - newsrc->load_model (true, true); + if (begin != Temporal::Beats() || end != std::numeric_limits::max()) { + newsrc->load_model (newsrc_lock, true); } else { - newsrc->set_model (_model); + newsrc->set_model (newsrc_lock, _model); } - return newsrc; + /* this file is not removable (but since it is MIDI, it is mutable) */ + + boost::dynamic_pointer_cast (newsrc)->prevent_deletion (); + + return 0; } void MidiSource::session_saved() { + Lock lm (_lock); + /* this writes a copy of the data to disk. XXX do we need to do this every time? */ if (_model && _model->edited()) { - - // 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. - */ + /* 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 mm = _model; _model.reset (); - /* flush model contents to disk - */ - - mm->sync_to_source (); - - /* reacquire model */ + /* Flush model contents to disk. */ + mm->sync_to_source (lm); + /* Reacquire model. */ _model = mm; } else { - flush_midi(); + flush_midi(lm); } } void -MidiSource::set_note_mode(NoteMode mode) +MidiSource::set_note_mode(const Lock& lock, NoteMode mode) { if (_model) { _model->set_note_mode(mode); @@ -427,20 +487,21 @@ MidiSource::set_note_mode(NoteMode mode) } void -MidiSource::drop_model () +MidiSource::drop_model (const Lock& lock) { _model.reset(); + invalidate(lock); ModelChanged (); /* EMIT SIGNAL */ } void -MidiSource::set_model (boost::shared_ptr m) +MidiSource::set_model (const Lock& lock, boost::shared_ptr m) { _model = m; + invalidate(lock); 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 {