X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fmidi_region.cc;h=14cd6d80b086a7dc40c53e79a65d4a40d0bb7426;hb=b285559767e21aae4467270590f048c3263fd742;hp=ff5ec02433c617d3f6c1a56e8143c4b731703b5d;hpb=080e7755a614a71e8a2dcd97fb7310fc3401e5ca;p=ardour.git diff --git a/libs/ardour/midi_region.cc b/libs/ardour/midi_region.cc index ff5ec02433..14cd6d80b0 100644 --- a/libs/ardour/midi_region.cc +++ b/libs/ardour/midi_region.cc @@ -28,21 +28,24 @@ #include #include -#include "evoral/Beats.hpp" +#include "temporal/beats.h" #include "pbd/xml++.h" #include "pbd/basename.h" #include "ardour/automation_control.h" +#include "ardour/midi_cursor.h" #include "ardour/midi_model.h" #include "ardour/midi_region.h" #include "ardour/midi_ring_buffer.h" #include "ardour/midi_source.h" +#include "ardour/playlist.h" #include "ardour/region_factory.h" #include "ardour/session.h" #include "ardour/source_factory.h" #include "ardour/tempo.h" #include "ardour/types.h" +#include "ardour/evoral_types_convert.h" #include "pbd/i18n.h" #include @@ -53,8 +56,8 @@ using namespace PBD; namespace ARDOUR { namespace Properties { - PBD::PropertyDescriptor start_beats; - PBD::PropertyDescriptor length_beats; + PBD::PropertyDescriptor start_beats; + PBD::PropertyDescriptor length_beats; } } @@ -77,8 +80,9 @@ MidiRegion::register_properties () /* Basic MidiRegion constructor (many channels) */ MidiRegion::MidiRegion (const SourceList& srcs) : Region (srcs) - , _start_beats (Properties::start_beats, Evoral::Beats()) - , _length_beats (Properties::length_beats, midi_source(0)->length_beats()) + , _start_beats (Properties::start_beats, 0.0) + , _length_beats (Properties::length_beats, midi_source(0)->length_beats().to_double()) + , _ignore_shift (false) { register_properties (); midi_source(0)->ModelChanged.connect_same_thread (_source_connection, boost::bind (&MidiRegion::model_changed, this)); @@ -91,6 +95,7 @@ MidiRegion::MidiRegion (boost::shared_ptr other) : Region (other) , _start_beats (Properties::start_beats, other->_start_beats) , _length_beats (Properties::length_beats, other->_length_beats) + , _ignore_shift (false) { //update_length_beats (); register_properties (); @@ -101,16 +106,21 @@ MidiRegion::MidiRegion (boost::shared_ptr other) } /** Create a new MidiRegion that is part of an existing one */ -MidiRegion::MidiRegion (boost::shared_ptr other, frameoffset_t offset, const int32_t sub_num) - : Region (other, offset, sub_num) - , _start_beats (Properties::start_beats, Evoral::Beats()) +MidiRegion::MidiRegion (boost::shared_ptr other, MusicSample offset) + : Region (other, offset) + , _start_beats (Properties::start_beats, other->_start_beats) , _length_beats (Properties::length_beats, other->_length_beats) + , _ignore_shift (false) { - _start_beats = Evoral::Beats (_session.tempo_map().exact_qn_at_frame (other->_position + offset, sub_num) - (other->pulse() * 4.0)) + other->_start_beats; - update_length_beats (sub_num); register_properties (); + const double offset_quarter_note = _session.tempo_map().exact_qn_at_sample (other->_position + offset.sample, offset.division) - other->_quarter_note; + if (offset.sample != 0) { + _start_beats = other->_start_beats + offset_quarter_note; + _length_beats = other->_length_beats - offset_quarter_note; + } + assert(_name.val().find("/") == string::npos); midi_source(0)->ModelChanged.connect_same_thread (_source_connection, boost::bind (&MidiRegion::model_changed, this)); model_changed (); @@ -132,11 +142,11 @@ MidiRegion::do_export (string path) const assert (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)); newsrc = boost::dynamic_pointer_cast( SourceFactory::createWritable(DataType::MIDI, _session, - path, false, _session.frame_rate())); + path, false, _session.sample_rate())); - BeatsFramesConverter bfc (_session.tempo_map(), _position); - Evoral::Beats const bbegin = bfc.from (_start); - Evoral::Beats const bend = bfc.from (_start + _length); + BeatsSamplesConverter bfc (_session.tempo_map(), _position); + Temporal::Beats const bbegin = bfc.from (_start); + Temporal::Beats const bend = bfc.from (_start + _length); { /* Lock our source since we'll be reading from it. write_to() will @@ -163,22 +173,30 @@ MidiRegion::clone (string path) const assert (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)); newsrc = boost::dynamic_pointer_cast( SourceFactory::createWritable(DataType::MIDI, _session, - path, false, _session.frame_rate())); + path, false, _session.sample_rate())); return clone (newsrc); } boost::shared_ptr MidiRegion::clone (boost::shared_ptr newsrc) const { - BeatsFramesConverter bfc (_session.tempo_map(), _position); - Evoral::Beats const bbegin = bfc.from (_start); - Evoral::Beats const bend = bfc.from (_start + _length); + BeatsSamplesConverter bfc (_session.tempo_map(), _position); + Temporal::Beats const bbegin = bfc.from (_start); + Temporal::Beats const bend = bfc.from (_start + _length); { + boost::shared_ptr ms = midi_source(0); + Source::Lock lm (ms->mutex()); + + if (!ms->model()) { + ms->load_model (lm); + } + /* Lock our source since we'll be reading from it. write_to() will - take a lock on newsrc. */ - Source::Lock lm (midi_source(0)->mutex()); - if (midi_source(0)->write_to (lm, newsrc, bbegin, bend)) { + take a lock on newsrc. + */ + + if (ms->write_to (lm, newsrc, bbegin, bend)) { return boost::shared_ptr (); } } @@ -190,12 +208,13 @@ MidiRegion::clone (boost::shared_ptr newsrc) const plist.add (Properties::start, _start); plist.add (Properties::start_beats, _start_beats); plist.add (Properties::length, _length); + plist.add (Properties::position, _position); + plist.add (Properties::beat, _beat); plist.add (Properties::length_beats, _length_beats); plist.add (Properties::layer, 0); boost::shared_ptr ret (boost::dynamic_pointer_cast (RegionFactory::create (newsrc, plist, true))); - ret->set_beat (beat()); - ret->set_pulse (pulse()); + ret->set_quarter_note (quarter_note()); return ret; } @@ -206,21 +225,31 @@ MidiRegion::post_set (const PropertyChange& pc) Region::post_set (pc); if (pc.contains (Properties::length) && !pc.contains (Properties::length_beats)) { - /* update non-musically */ - update_length_beats (0); - } else if (pc.contains (Properties::start) && !pc.contains (Properties::start_beats)) { - set_start_beats_from_start_frames (); + /* we're called by Stateful::set_values() which sends a change + only if the value is different from _current. + session load means we can clobber length_beats here in error (not all properties differ from current), + so disallow (this has been set from XML state anyway). + */ + if (!_session.loading()) { + update_length_beats (0); + } + } + + if (pc.contains (Properties::start) && !pc.contains (Properties::start_beats)) { + set_start_beats_from_start_samples (); } } void -MidiRegion::set_start_beats_from_start_frames () +MidiRegion::set_start_beats_from_start_samples () { - _start_beats = Evoral::Beats ((pulse() * 4.0) - _session.tempo_map().quarter_note_at_frame (_position - _start)); + if (position_lock_style() == AudioTime) { + _start_beats = quarter_note() - _session.tempo_map().quarter_note_at_sample (_position - _start); + } } void -MidiRegion::set_length_internal (framecnt_t len, const int32_t sub_num) +MidiRegion::set_length_internal (samplecnt_t len, const int32_t sub_num) { Region::set_length_internal (len, sub_num); update_length_beats (sub_num); @@ -235,9 +264,9 @@ MidiRegion::update_after_tempo_map_change (bool /* send */) return; } - const framepos_t old_pos = _position; - const framepos_t old_length = _length; - const framepos_t old_start = _start; + const samplepos_t old_pos = _position; + const samplepos_t old_length = _length; + const samplepos_t old_start = _start; PropertyChange s_and_l; @@ -258,10 +287,10 @@ MidiRegion::update_after_tempo_map_change (bool /* send */) For now, the musical position at the region start is retained, but subsequent events will maintain their beat distance according to the map. */ - _start = _position - _session.tempo_map().frame_at_pulse (pulse() - (_start_beats.val().to_double() / 4.0)); + _start = _session.tempo_map().samples_between_quarter_notes (quarter_note() - start_beats(), quarter_note()); /* _length doesn't change for audio-locked regions. update length_beats to match. */ - _length_beats = Evoral::Beats (_session.tempo_map().quarter_note_at_frame (_position + _length) - _session.tempo_map().quarter_note_at_frame (_position)); + _length_beats = _session.tempo_map().quarter_note_at_sample (_position + _length) - quarter_note(); s_and_l.add (Properties::start); s_and_l.add (Properties::length_beats); @@ -273,7 +302,7 @@ MidiRegion::update_after_tempo_map_change (bool /* send */) Region::update_after_tempo_map_change (false); /* _start has now been updated. */ - _length = _session.tempo_map().frame_at_pulse (pulse() + (_length_beats.val().to_double() / 4.0)) - _position; + _length = max ((samplecnt_t) 1, _session.tempo_map().samples_between_quarter_notes (quarter_note(), quarter_note() + _length_beats)); if (old_start != _start) { s_and_l.add (Properties::start); @@ -291,69 +320,95 @@ MidiRegion::update_after_tempo_map_change (bool /* send */) void MidiRegion::update_length_beats (const int32_t sub_num) { - _length_beats = Evoral::Beats (_session.tempo_map().exact_qn_at_frame (_position + _length, sub_num) - (pulse() * 4.0)); + _length_beats = _session.tempo_map().exact_qn_at_sample (_position + _length, sub_num) - quarter_note(); } void -MidiRegion::set_position_internal (framepos_t pos, bool allow_bbt_recompute, const int32_t sub_num) +MidiRegion::set_position_internal (samplepos_t pos, bool allow_bbt_recompute, const int32_t sub_num) { Region::set_position_internal (pos, allow_bbt_recompute, sub_num); + /* don't clobber _start _length and _length_beats if session loading.*/ + if (_session.loading()) { + return; + } + /* set _start to new position in tempo map */ - _start = _position - _session.tempo_map().frame_at_pulse (pulse() - (_start_beats.val().to_double() / 4.0)); + _start = _session.tempo_map().samples_between_quarter_notes (quarter_note() - start_beats(), quarter_note()); /* in construction from src */ - if (_length_beats == Evoral::Beats()) { + if (_length_beats == 0.0) { update_length_beats (sub_num); } if (position_lock_style() == AudioTime) { - _length_beats = Evoral::Beats (_session.tempo_map().quarter_note_at_frame (_position + _length) - _session.tempo_map().quarter_note_at_frame (_position)); + _length_beats = _session.tempo_map().quarter_note_at_sample (_position + _length) - quarter_note(); + } else { + /* leave _length_beats alone, and change _length to reflect the state of things + at the new position (tempo map may dictate a different number of samples). + */ + Region::set_length_internal (_session.tempo_map().samples_between_quarter_notes (quarter_note(), quarter_note() + length_beats()), sub_num); + } +} + +void +MidiRegion::set_position_music_internal (double qn) +{ + Region::set_position_music_internal (qn); + /* set _start to new position in tempo map */ + _start = _session.tempo_map().samples_between_quarter_notes (quarter_note() - start_beats(), quarter_note()); + + if (position_lock_style() == AudioTime) { + _length_beats = _session.tempo_map().quarter_note_at_sample (_position + _length) - quarter_note(); + } else { /* leave _length_beats alone, and change _length to reflect the state of things - at the new position (tempo map may dictate a different number of frames). + at the new position (tempo map may dictate a different number of samples). */ - Region::set_length_internal (_session.tempo_map().frame_at_pulse (pulse() + (_length_beats.val().to_double() / 4.0)) - _position, sub_num); + _length = _session.tempo_map().samples_between_quarter_notes (quarter_note(), quarter_note() + length_beats()); } } -framecnt_t -MidiRegion::read_at (Evoral::EventSink& out, - framepos_t position, - framecnt_t dur, - Evoral::Range* loop_range, +samplecnt_t +MidiRegion::read_at (Evoral::EventSink& out, + samplepos_t position, + samplecnt_t dur, + Evoral::Range* loop_range, + MidiCursor& cursor, uint32_t chan_n, NoteMode mode, MidiStateTracker* tracker, MidiChannelFilter* filter) const { - return _read_at (_sources, out, position, dur, loop_range, chan_n, mode, tracker, filter); + return _read_at (_sources, out, position, dur, loop_range, cursor, chan_n, mode, tracker, filter); } -framecnt_t -MidiRegion::master_read_at (MidiRingBuffer& out, - framepos_t position, - framecnt_t dur, - Evoral::Range* loop_range, +samplecnt_t +MidiRegion::master_read_at (MidiRingBuffer& out, + samplepos_t position, + samplecnt_t dur, + Evoral::Range* loop_range, + MidiCursor& cursor, uint32_t chan_n, NoteMode mode) const { - return _read_at (_master_sources, out, position, dur, loop_range, chan_n, mode); /* no tracker */ + return _read_at (_master_sources, out, position, dur, loop_range, cursor, chan_n, mode); /* no tracker */ } -framecnt_t +samplecnt_t MidiRegion::_read_at (const SourceList& /*srcs*/, - Evoral::EventSink& dst, - framepos_t position, - framecnt_t dur, - Evoral::Range* loop_range, + Evoral::EventSink& dst, + samplepos_t position, + samplecnt_t dur, + Evoral::Range* loop_range, + MidiCursor& cursor, uint32_t chan_n, NoteMode mode, MidiStateTracker* tracker, MidiChannelFilter* filter) const { - frameoffset_t internal_offset = 0; - framecnt_t to_read = 0; + sampleoffset_t internal_offset = 0; + samplecnt_t to_read = 0; /* precondition: caller has verified that we cover the desired section */ @@ -394,26 +449,26 @@ MidiRegion::_read_at (const SourceList& /*srcs*/, << " _position = " << _position << " _start = " << _start << " intoffset = " << internal_offset - << " pulse = " << pulse() - << " start_pulse = " << start_pulse() + << " quarter_note = " << quarter_note() << " start_beat = " << _start_beats << endl; #endif - /* This call reads events from a source and writes them to `dst' timed in session frames */ + /* This call reads events from a source and writes them to `dst' timed in session samples */ if (src->midi_read ( lm, // source lock dst, // destination buffer - _position - _start, // start position of the source in session frames + _position - _start, // start position of the source in session samples _start + internal_offset, // where to start reading in the source - to_read, // read duration in frames + to_read, // read duration in samples loop_range, + cursor, tracker, filter, _filtered_parameters, - pulse(), - _start_beats.val().to_double() + quarter_note(), + _start_beats ) != to_read) { return 0; /* "read nothing" */ } @@ -432,13 +487,6 @@ MidiRegion::set_state (const XMLNode& node, int version) { int ret = Region::set_state (node, version); - if (ret == 0) { - /* set length beats to the frame (non-musical) */ - if (position_lock_style() == AudioTime) { - update_length_beats (0); - } - } - return ret; } @@ -463,7 +511,7 @@ MidiRegion::recompute_at_start () } int -MidiRegion::separate_by_channel (ARDOUR::Session&, vector< boost::shared_ptr >&) const +MidiRegion::separate_by_channel (vector< boost::shared_ptr >&) const { // TODO return -1; @@ -500,6 +548,23 @@ MidiRegion::midi_source (uint32_t n) const return boost::dynamic_pointer_cast(source(n)); } +/* don't use this. hopefully it will go away. + currently used by headless-chicken session utility. +*/ +void +MidiRegion::clobber_sources (boost::shared_ptr s) +{ + drop_sources(); + + _sources.push_back (s); + s->inc_use_count (); + _master_sources.push_back (s); + s->inc_use_count (); + + s->DropReferences.connect_same_thread (*this, boost::bind (&Region::source_deleted, this, boost::weak_ptr(s))); + +} + void MidiRegion::model_changed () { @@ -525,6 +590,27 @@ MidiRegion::model_changed () midi_source()->AutomationStateChanged.connect_same_thread ( _model_connection, boost::bind (&MidiRegion::model_automation_state_changed, this, _1) ); + + model()->ContentsShifted.connect_same_thread (_model_shift_connection, boost::bind (&MidiRegion::model_shifted, this, _1)); +} +void +MidiRegion::model_shifted (double qn_distance) +{ + if (!model()) { + return; + } + + if (!_ignore_shift) { + PropertyChange what_changed; + _start_beats += qn_distance; + samplepos_t const new_start = _session.tempo_map().samples_between_quarter_notes (_quarter_note - _start_beats, _quarter_note); + _start = new_start; + what_changed.add (Properties::start); + what_changed.add (Properties::start_beats); + send_change (what_changed); + } else { + _ignore_shift = false; + } } void @@ -558,25 +644,26 @@ MidiRegion::model_automation_state_changed (Evoral::Parameter const & p) void MidiRegion::fix_negative_start () { - BeatsFramesConverter c (_session.tempo_map(), _position); + BeatsSamplesConverter c (_session.tempo_map(), _position); + + _ignore_shift = true; + + model()->insert_silence_at_start (Temporal::Beats (- _start_beats)); - model()->insert_silence_at_start (c.from (-_start)); _start = 0; - _start_beats = Evoral::Beats(); + _start_beats = 0.0; } void -MidiRegion::set_start_internal (framecnt_t s, const int32_t sub_num) +MidiRegion::set_start_internal (samplecnt_t s, const int32_t sub_num) { Region::set_start_internal (s, sub_num); - if (position_lock_style() == AudioTime) { - set_start_beats_from_start_frames (); - } + set_start_beats_from_start_samples (); } void -MidiRegion::trim_to_internal (framepos_t position, framecnt_t length, const int32_t sub_num) +MidiRegion::trim_to_internal (samplepos_t position, samplecnt_t length, const int32_t sub_num) { if (locked()) { return; @@ -584,34 +671,32 @@ MidiRegion::trim_to_internal (framepos_t position, framecnt_t length, const int3 PropertyChange what_changed; - /* beat has been set exactly by set_position_internal, but the source starts on a frame. - working in beats seems the correct thing to do, but reports of a missing first note - on playback suggest otherwise. for now, we work in exact beats. - */ - const double pos_pulse = _session.tempo_map().exact_qn_at_frame (position, sub_num) / 4.0; - const double pulse_delta = pos_pulse - pulse(); /* Set position before length, otherwise for MIDI regions this bad thing happens: * 1. we call set_length_internal; length in beats is computed using the region's current * (soon-to-be old) position - * 2. we call set_position_internal; position is set and length in frames re-computed using + * 2. we call set_position_internal; position is set and length in samples re-computed using * length in beats from (1) but at the new position, which is wrong if the region * straddles a tempo/meter change. */ if (_position != position) { - /* sets _beat to new position.*/ + + const double pos_qn = _session.tempo_map().exact_qn_at_sample (position, sub_num); + const double old_pos_qn = quarter_note(); + + /* sets _pulse to new position.*/ set_position_internal (position, true, sub_num); what_changed.add (Properties::position); - const double new_start_pulse = (_start_beats.val().to_double() / 4.0) + pulse_delta; - const framepos_t new_start = _position - _session.tempo_map().frame_at_pulse (pulse() - new_start_pulse); + double new_start_qn = start_beats() + (pos_qn - old_pos_qn); + samplepos_t new_start = _session.tempo_map().samples_between_quarter_notes (pos_qn - new_start_qn, pos_qn); if (!verify_start_and_length (new_start, length)) { return; } - _start_beats = Evoral::Beats (new_start_pulse * 4.0); + _start_beats = new_start_qn; what_changed.add (Properties::start_beats); set_start_internal (new_start, sub_num);