X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fmidi_source.cc;h=655222413aa0a5f5d836c6121c5511a99d8569c0;hb=cd8aa4e3044bfa2f6956e02ccc5458b3c9fbadc4;hp=ebb2d17696608f92c2afc803c6c567e125c745d4;hpb=822234876169480a271ec4a67bd01aee791681f0;p=ardour.git diff --git a/libs/ardour/midi_source.cc b/libs/ardour/midi_source.cc index ebb2d17696..655222413a 100644 --- a/libs/ardour/midi_source.cc +++ b/libs/ardour/midi_source.cc @@ -1,6 +1,6 @@ /* Copyright (C) 2006 Paul Davis - Written by Dave Robillard, 2006 + 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 @@ -20,7 +20,6 @@ #include #include #include -#include #include #include #include @@ -29,24 +28,25 @@ #include #include +#include #include "pbd/xml++.h" #include "pbd/pthread_utils.h" #include "pbd/basename.h" -#include "ardour/audioengine.h" #include "ardour/debug.h" #include "ardour/midi_model.h" -#include "ardour/midi_ring_buffer.h" #include "ardour/midi_state_tracker.h" #include "ardour/midi_source.h" +#include "ardour/file_source.h" #include "ardour/session.h" #include "ardour/session_directory.h" #include "ardour/source_factory.h" -#include "ardour/tempo.h" #include "i18n.h" +namespace ARDOUR { template class MidiRingBuffer; } + using namespace std; using namespace ARDOUR; using namespace PBD; @@ -55,29 +55,24 @@ PBD::Signal1 MidiSource::MidiSourceCreated; MidiSource::MidiSource (Session& s, string name, Source::Flag flags) : Source(s, DataType::MIDI, name, flags) - , _read_data_count(0) - , _write_data_count(0) , _writing(false) , _model_iter_valid(false) , _length_beats(0.0) , _last_read_end(0) - , _last_write_end(0) + , _capture_length(0) + , _capture_loop_length(0) { } MidiSource::MidiSource (Session& s, const XMLNode& node) : Source(s, node) - , _read_data_count(0) - , _write_data_count(0) , _writing(false) , _model_iter_valid(false) , _length_beats(0.0) , _last_read_end(0) - , _last_write_end(0) + , _capture_length(0) + , _capture_loop_length(0) { - _read_data_count = 0; - _write_data_count = 0; - if (set_state (node, Stateful::loading_state_version)) { throw failed_constructor(); } @@ -130,7 +125,7 @@ MidiSource::set_state (const XMLNode& node, int /*version*/) error << _("Missing parameter property on InterpolationStyle") << endmsg; return -1; } - + Evoral::Parameter p = EventTypeMap::instance().new_parameter (prop->value()); if ((prop = (*i)->property (X_("style"))) == 0) { @@ -140,16 +135,16 @@ MidiSource::set_state (const XMLNode& node, int /*version*/) Evoral::ControlList::InterpolationStyle s = static_cast (string_2_enum (prop->value(), s)); set_interpolation_of (p, s); - + } else if ((*i)->name() == X_("AutomationState")) { - + XMLProperty* prop; if ((prop = (*i)->property (X_("parameter"))) == 0) { error << _("Missing parameter property on AutomationState") << endmsg; return -1; } - + Evoral::Parameter p = EventTypeMap::instance().new_parameter (prop->value()); if ((prop = (*i)->property (X_("state"))) == 0) { @@ -168,22 +163,22 @@ MidiSource::set_state (const XMLNode& node, int /*version*/) bool MidiSource::empty () const { - return _length_beats == 0; + return _length_beats == 0; } framecnt_t MidiSource::length (framepos_t pos) const { - if (_length_beats == 0) { - return 0; - } + if (_length_beats == 0) { + return 0; + } BeatsFramesConverter converter(_session.tempo_map(), pos); return converter.to(_length_beats); } void -MidiSource::update_length (framepos_t /*pos*/, framecnt_t /*cnt*/) +MidiSource::update_length (framecnt_t) { // You're not the boss of me! } @@ -196,16 +191,19 @@ MidiSource::invalidate () } /** @param filtered A set of parameters whose MIDI messages will not be returned */ -nframes_t -MidiSource::midi_read (Evoral::EventSink& dst, framepos_t source_start, - framepos_t start, nframes_t cnt, +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 + std::set const & filtered) const { - Glib::Mutex::Lock lm (_lock); + Glib::Threads::Mutex::Lock lm (_lock); BeatsFramesConverter converter(_session.tempo_map(), source_start); + 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) { Evoral::Sequence::const_iterator& i = _model_iter; @@ -214,12 +212,13 @@ MidiSource::midi_read (Evoral::EventSink& dst, framepos_t source_star 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 cached iterator for %1 / %2\n", _name, source_start, start)); + DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("*** %1 use cachediterator for %1 / %2\n", _name, source_start, start)); } _last_read_end = start + cnt; @@ -231,17 +230,23 @@ MidiSource::midi_read (Evoral::EventSink& dst, framepos_t source_star /* 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 (*(Evoral::MIDIEvent*) (&(*i))); + Evoral::MIDIEvent& ev (*(reinterpret_cast*> + (const_cast*> (&(*i))))); if (ev.is_note_on()) { - DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("\t%1 add note on %2 @ %3 velocity %4\n", _name, ev.note(), time_frames, (int) ev.velocity())); + 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 add note off %2 @ %3\n", _name, ev.note(), time_frames)); + 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()); } } } else { + DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("%1: reached end with event @ %2 vs. %3\n", + _name, time_frames, start+cnt)); break; } } @@ -251,133 +256,149 @@ MidiSource::midi_read (Evoral::EventSink& dst, framepos_t source_star } } -/** Write data from a MidiRingBuffer to this source. - * @param source Source to read from. - * @param source_start This source's start position in session frames. - */ -nframes_t -MidiSource::midi_write (MidiRingBuffer& source, framepos_t source_start, nframes_t duration) +framecnt_t +MidiSource::midi_write (MidiRingBuffer& source, + framepos_t source_start, + framecnt_t cnt) { - Glib::Mutex::Lock lm (_lock); - const nframes_t ret = write_unlocked (source, source_start, duration); - _last_write_end += duration; + Glib::Threads::Mutex::Lock lm (_lock); + + const framecnt_t ret = write_unlocked (source, source_start, cnt); + + if (cnt == max_framecnt) { + _last_read_end = 0; + } else { + _capture_length += cnt; + } + return ret; } void -MidiSource::mark_streaming_midi_write_started (NoteMode mode, framepos_t start_frame) +MidiSource::mark_streaming_midi_write_started (NoteMode mode) { - set_timeline_position(start_frame); - if (_model) { - _model->set_note_mode(mode); - _model->start_write(); + _model->set_note_mode (mode); + _model->start_write (); } - _last_write_end = start_frame; _writing = true; } +void +MidiSource::mark_write_starting_now (framecnt_t position, + framecnt_t capture_length, + framecnt_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 + when a record actually starts, as it is used by + SMFSource::write_unlocked to decide whether incoming notes + are within the correct time range. + mark_streaming_midi_write_started (perhaps a more logical + place to do this) is not called at exactly the time when + record starts, and I don't think it necessarily can be + because it is not RT-safe. + */ + + set_timeline_position(position); + _capture_length = capture_length; + _capture_loop_length = loop_length; + + BeatsFramesConverter converter(_session.tempo_map(), position); + _length_beats = converter.from(capture_length); +} + void MidiSource::mark_streaming_write_started () { NoteMode note_mode = _model ? _model->note_mode() : Sustained; - mark_streaming_midi_write_started(note_mode, _session.transport_frame()); + mark_streaming_midi_write_started (note_mode); } void -MidiSource::mark_streaming_write_completed () +MidiSource::mark_midi_streaming_write_completed (Evoral::Sequence::StuckNoteOption option, Evoral::MusicalTime end) { if (_model) { - _model->end_write(false); + _model->end_write (option, end); } _writing = false; } -boost::shared_ptr -MidiSource::clone (Evoral::MusicalTime begin, Evoral::MusicalTime end) +void +MidiSource::mark_streaming_write_completed () { - string newname = PBD::basename_nosuffix(_name.val()); - string newpath; - - /* get a new name for the MIDI file we're going to write to - */ + mark_midi_streaming_write_completed (Evoral::Sequence::DeleteStuckNotes); +} - do { +int +MidiSource::write_to (boost::shared_ptr newsrc, Evoral::MusicalTime begin, Evoral::MusicalTime end) +{ + newsrc->set_timeline_position(_timeline_position); + newsrc->copy_interpolation_from (this); + newsrc->copy_automation_state_from (this); - newname = bump_name_once (newname, '-'); - /* XXX build path safely */ - newpath = _session.session_directory().midi_path().to_string() +"/"+ newname + ".mid"; + if (_model) { + if (begin == Evoral::MinMusicalTime && end == Evoral::MaxMusicalTime) { + _model->write_to (newsrc); + } else { + _model->write_section_to (newsrc, begin, end); + } + } else { + error << string_compose (_("programming error: %1"), X_("no model for MidiSource during ::clone()")); + return -1; + } - } while (Glib::file_test (newpath, Glib::FILE_TEST_EXISTS)); - - boost::shared_ptr newsrc = boost::dynamic_pointer_cast( - SourceFactory::createWritable(DataType::MIDI, _session, - newpath, false, _session.frame_rate())); + newsrc->flush_midi(); - newsrc->set_timeline_position(_timeline_position); - newsrc->copy_interpolation_from (this); - newsrc->copy_automation_state_from (this); + /* force a reload of the model if the range is partial */ - if (_model) { - if (begin == Evoral::MinMusicalTime && end == Evoral::MaxMusicalTime) { - _model->write_to (newsrc); - } else { - _model->write_section_to (newsrc, begin, end); - } - } else { - error << string_compose (_("programming error: %1"), X_("no model for MidiSource during ::clone()")); - return boost::shared_ptr(); - } - - newsrc->flush_midi(); - - /* force a reload of the model if the range is partial */ - - if (begin != Evoral::MinMusicalTime || end != Evoral::MaxMusicalTime) { - newsrc->load_model (true, true); - } else { + if (begin != Evoral::MinMusicalTime || end != Evoral::MaxMusicalTime) { + newsrc->load_model (true, true); + } else { newsrc->set_model (_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() { - /* this writes a copy of the data to disk. - XXX do we need to do this every time? - */ + /* 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. + */ + boost::shared_ptr mm = _model; + _model.reset (); - // 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. - */ - - boost::shared_ptr mm = _model ; - _model.reset (); - - /* flush model contents to disk - */ + /* flush model contents to disk + */ - mm->sync_to_source (); + mm->sync_to_source (); - /* reacquire model */ + /* reacquire model */ - _model = mm; + _model = mm; - } else { - flush_midi(); - } + } else { + flush_midi(); + } } void @@ -391,7 +412,7 @@ MidiSource::set_note_mode(NoteMode mode) void MidiSource::drop_model () { - _model.reset(); + _model.reset(); ModelChanged (); /* EMIT SIGNAL */ } @@ -438,7 +459,7 @@ MidiSource::set_interpolation_of (Evoral::Parameter p, Evoral::ControlList::Inte if (interpolation_of (p) == s) { return; } - + if (EventTypeMap::instance().interpolation_of (p) == s) { /* interpolation type is being set to the default, so we don't need a note in our map */ _interpolation_style.erase (p); @@ -455,7 +476,7 @@ MidiSource::set_automation_state_of (Evoral::Parameter p, AutoState s) if (automation_state_of (p) == s) { return; } - + if (s == Play) { /* automation state is being set to the default, so we don't need a note in our map */ _automation_state.erase (p);