/*
- Copyright (C) 2000-2006 Paul Davis
-
- 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- $Id: midiregion.cc 746 2006-08-02 02:44:23Z drobilla $
-*/
+ * Copyright (C) 2006-2016 David Robillard <d@drobilla.net>
+ * Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
+ * Copyright (C) 2008 Hans Baier <hansfbaier@googlemail.com>
+ * Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
+ * Copyright (C) 2012-2015 Tim Mayberry <mojofunk@gmail.com>
+ * Copyright (C) 2016-2017 Nick Mainsbridge <mainsbridge@gmail.com>
+ * Copyright (C) 2016-2017 Robin Gareus <robin@gareus.org>
+ * Copyright (C) 2016 Julien "_FrnchFrgg_" RIVAUD <frnchfrgg@free.fr>
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
#include <cmath>
#include <climits>
#include <glibmm/fileutils.h>
#include <glibmm/miscutils.h>
+#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 "i18n.h"
+#include "pbd/i18n.h"
#include <locale.h>
using namespace std;
namespace ARDOUR {
namespace Properties {
- PBD::PropertyDescriptor<void*> midi_data;
- PBD::PropertyDescriptor<Evoral::MusicalTime> start_beats;
- PBD::PropertyDescriptor<Evoral::MusicalTime> length_beats;
+ PBD::PropertyDescriptor<double> start_beats;
+ PBD::PropertyDescriptor<double> length_beats;
}
}
void
MidiRegion::make_property_quarks ()
{
- Properties::midi_data.property_id = g_quark_from_static_string (X_("midi-data"));
- DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for midi-data = %1\n", Properties::midi_data.property_id));
Properties::start_beats.property_id = g_quark_from_static_string (X_("start-beats"));
DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for start-beats = %1\n", Properties::start_beats.property_id));
Properties::length_beats.property_id = g_quark_from_static_string (X_("length-beats"));
/* Basic MidiRegion constructor (many channels) */
MidiRegion::MidiRegion (const SourceList& srcs)
: Region (srcs)
- , _start_beats (Properties::start_beats, 0)
- , _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));
model_changed ();
assert(_name.val().find("/") == string::npos);
MidiRegion::MidiRegion (boost::shared_ptr<const MidiRegion> other)
: Region (other)
, _start_beats (Properties::start_beats, other->_start_beats)
- , _length_beats (Properties::length_beats, (Evoral::MusicalTime) 0)
+ , _length_beats (Properties::length_beats, other->_length_beats)
+ , _ignore_shift (false)
{
- update_length_beats ();
+ //update_length_beats ();
register_properties ();
assert(_name.val().find("/") == string::npos);
}
/** Create a new MidiRegion that is part of an existing one */
-MidiRegion::MidiRegion (boost::shared_ptr<const MidiRegion> other, frameoffset_t offset)
+MidiRegion::MidiRegion (boost::shared_ptr<const MidiRegion> other, MusicSample offset)
: Region (other, offset)
- , _start_beats (Properties::start_beats, (Evoral::MusicalTime) 0)
- , _length_beats (Properties::length_beats, (Evoral::MusicalTime) 0)
+ , _start_beats (Properties::start_beats, other->_start_beats)
+ , _length_beats (Properties::length_beats, other->_length_beats)
+ , _ignore_shift (false)
{
- BeatsFramesConverter bfc (_session.tempo_map(), _position);
- Evoral::MusicalTime const offset_beats = bfc.from (offset);
-
- _start_beats = other->_start_beats + offset_beats;
- _length_beats = other->_length_beats - offset_beats;
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 ();
{
}
+/** Export the MIDI data of the MidiRegion to a new MIDI file (SMF).
+ */
+bool
+MidiRegion::do_export (string path) const
+{
+ boost::shared_ptr<MidiSource> newsrc;
+
+ /* caller must check for pre-existing file */
+ assert (!path.empty());
+ assert (!Glib::file_test (path, Glib::FILE_TEST_EXISTS));
+ newsrc = boost::dynamic_pointer_cast<MidiSource>(
+ SourceFactory::createWritable(DataType::MIDI, _session,
+ path, false, _session.sample_rate()));
+
+ 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
+ take a lock on newsrc. */
+ Source::Lock lm (midi_source(0)->mutex());
+ if (midi_source(0)->export_write_to (lm, newsrc, bbegin, bend)) {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+
/** Create a new MidiRegion that has its own version of some/all of the Source used by another.
*/
boost::shared_ptr<MidiRegion>
assert (!Glib::file_test (path, Glib::FILE_TEST_EXISTS));
newsrc = boost::dynamic_pointer_cast<MidiSource>(
SourceFactory::createWritable(DataType::MIDI, _session,
- path, false, _session.frame_rate()));
+ path, false, _session.sample_rate()));
return clone (newsrc);
}
boost::shared_ptr<MidiRegion>
MidiRegion::clone (boost::shared_ptr<MidiSource> newsrc) const
{
- BeatsFramesConverter bfc (_session.tempo_map(), _position);
- Evoral::MusicalTime const bbegin = bfc.from (_start);
- Evoral::MusicalTime 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<MidiSource> ms = midi_source(0);
+ Source::Lock lm (ms->mutex());
- if (midi_source(0)->write_to (newsrc, bbegin, bend)) {
- return boost::shared_ptr<MidiRegion> ();
+ 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.
+ */
+
+ if (ms->write_to (lm, newsrc, bbegin, bend)) {
+ return boost::shared_ptr<MidiRegion> ();
+ }
}
PropertyList plist;
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);
- return boost::dynamic_pointer_cast<MidiRegion> (RegionFactory::create (newsrc, plist, true));
+ boost::shared_ptr<MidiRegion> ret (boost::dynamic_pointer_cast<MidiRegion> (RegionFactory::create (newsrc, plist, true)));
+ ret->set_quarter_note (quarter_note());
+
+ return ret;
}
void
Region::post_set (pc);
if (pc.contains (Properties::length) && !pc.contains (Properties::length_beats)) {
- update_length_beats ();
- } 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 ()
{
- BeatsFramesConverter c (_session.tempo_map(), _position - _start);
- _start_beats = c.from (_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)
+MidiRegion::set_length_internal (samplecnt_t len, const int32_t sub_num)
{
- Region::set_length_internal (len);
- update_length_beats ();
+ Region::set_length_internal (len, sub_num);
+ update_length_beats (sub_num);
}
void
-MidiRegion::update_after_tempo_map_change ()
+MidiRegion::update_after_tempo_map_change (bool /* send */)
{
- Region::update_after_tempo_map_change ();
+ boost::shared_ptr<Playlist> pl (playlist());
+
+ if (!pl) {
+ return;
+ }
- /* _position has now been updated for the new tempo map */
- _start = _position - _session.tempo_map().framepos_minus_beats (_position, _start_beats);
+ const samplepos_t old_pos = _position;
+ const samplepos_t old_length = _length;
+ const samplepos_t old_start = _start;
- send_change (Properties::start);
+ PropertyChange s_and_l;
+
+ if (position_lock_style() == AudioTime) {
+ recompute_position_from_lock_style (0);
+
+ /*
+ set _start to new position in tempo map.
+
+ The user probably expects the region contents to maintain audio position as the
+ tempo changes, but AFAICT this requires modifying the src file to use
+ SMPTE timestamps with the current disk read model (?).
+
+ We could arguably use _start to set _start_beats here,
+ resulting in viewport-like behaviour (the contents maintain
+ their musical position while the region is stationary).
+
+ For now, the musical position at the region start is retained, but subsequent events
+ will maintain their beat distance according to the map.
+ */
+ _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 = _session.tempo_map().quarter_note_at_sample (_position + _length) - quarter_note();
+
+ s_and_l.add (Properties::start);
+ s_and_l.add (Properties::length_beats);
+
+ send_change (s_and_l);
+ return;
+ }
+
+ Region::update_after_tempo_map_change (false);
+
+ /* _start has now been updated. */
+ _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);
+ }
+ if (old_length != _length) {
+ s_and_l.add (Properties::length);
+ }
+ if (old_pos != _position) {
+ s_and_l.add (Properties::position);
+ }
+
+ send_change (s_and_l);
}
void
-MidiRegion::update_length_beats ()
+MidiRegion::update_length_beats (const int32_t sub_num)
{
- BeatsFramesConverter converter (_session.tempo_map(), _position);
- _length_beats = converter.from (_length);
+ _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)
+MidiRegion::set_position_internal (samplepos_t pos, bool allow_bbt_recompute, const int32_t sub_num)
{
- Region::set_position_internal (pos, allow_bbt_recompute);
- /* zero length regions don't exist - so if _length_beats is zero, this object
- is under construction.
- */
- if (_length_beats) {
+ 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 = _session.tempo_map().samples_between_quarter_notes (quarter_note() - start_beats(), quarter_note());
+
+ /* in construction from src */
+ if (_length_beats == 0.0) {
+ update_length_beats (sub_num);
+ }
+
+ 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).
*/
- BeatsFramesConverter converter (_session.tempo_map(), _position);
- Region::set_length_internal (converter.to (_length_beats));
+ Region::set_length_internal (_session.tempo_map().samples_between_quarter_notes (quarter_note(), quarter_note() + length_beats()), sub_num);
}
}
-framecnt_t
-MidiRegion::read_at (Evoral::EventSink<framepos_t>& out, framepos_t position, framecnt_t dur, uint32_t chan_n, NoteMode mode, MidiStateTracker* tracker) const
+void
+MidiRegion::set_position_music_internal (double qn)
{
- return _read_at (_sources, out, position, dur, chan_n, mode, tracker);
+ 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 samples).
+ */
+ _length = _session.tempo_map().samples_between_quarter_notes (quarter_note(), quarter_note() + length_beats());
+ }
+}
+
+samplecnt_t
+MidiRegion::read_at (Evoral::EventSink<samplepos_t>& out,
+ samplepos_t position,
+ samplecnt_t dur,
+ Evoral::Range<samplepos_t>* loop_range,
+ MidiCursor& cursor,
+ uint32_t chan_n,
+ NoteMode mode,
+ MidiStateTracker* tracker,
+ MidiChannelFilter* filter) const
+{
+ return _read_at (_sources, out, position, dur, loop_range, cursor, chan_n, mode, tracker, filter);
}
-framecnt_t
-MidiRegion::master_read_at (MidiRingBuffer<framepos_t>& out, framepos_t position, framecnt_t dur, uint32_t chan_n, NoteMode mode) const
+samplecnt_t
+MidiRegion::master_read_at (MidiRingBuffer<samplepos_t>& out,
+ samplepos_t position,
+ samplecnt_t dur,
+ Evoral::Range<samplepos_t>* loop_range,
+ MidiCursor& cursor,
+ uint32_t chan_n,
+ NoteMode mode) const
{
- return _read_at (_master_sources, out, position, dur, chan_n, mode); /* no tracker */
+ return _read_at (_master_sources, out, position, dur, loop_range, cursor, chan_n, mode); /* no tracker */
}
-framecnt_t
-MidiRegion::_read_at (const SourceList& /*srcs*/, Evoral::EventSink<framepos_t>& dst, framepos_t position, framecnt_t dur, uint32_t chan_n,
- NoteMode mode, MidiStateTracker* tracker) const
+samplecnt_t
+MidiRegion::_read_at (const SourceList& /*srcs*/,
+ Evoral::EventSink<samplepos_t>& dst,
+ samplepos_t position,
+ samplecnt_t dur,
+ Evoral::Range<samplepos_t>* 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 */
}
boost::shared_ptr<MidiSource> src = midi_source(chan_n);
- src->set_note_mode(mode);
-
- /*
- cerr << "MR " << name () << " read @ " << position << " * " << to_read
- << " _position = " << _position
- << " _start = " << _start
- << " intoffset = " << internal_offset
- << endl;
- */
- /* This call reads events from a source and writes them to `dst' timed in session frames */
+ Glib::Threads::Mutex::Lock lm(src->mutex());
+
+ src->set_note_mode(lm, mode);
+
+#if 0
+ cerr << "MR " << name () << " read @ " << position << " + " << to_read
+ << " dur was " << dur
+ << " len " << _length
+ << " l-io " << (_length - internal_offset)
+ << " _position = " << _position
+ << " _start = " << _start
+ << " intoffset = " << internal_offset
+ << " 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 samples */
if (src->midi_read (
- dst, // destination buffer
- _position - _start, // start position of the source in session frames
- _start + internal_offset, // where to start reading in the source
- to_read, // read duration in frames
- tracker,
- _filtered_parameters
+ lm, // source lock
+ dst, // destination buffer
+ _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 samples
+ loop_range,
+ cursor,
+ tracker,
+ filter,
+ _filtered_parameters,
+ quarter_note(),
+ _start_beats
) != to_read) {
return 0; /* "read nothing" */
}
return to_read;
}
+
+int
+MidiRegion::render (Evoral::EventSink<samplepos_t>& dst,
+ uint32_t chan_n,
+ NoteMode mode,
+ MidiChannelFilter* filter) const
+{
+ sampleoffset_t internal_offset = 0;
+
+ /* precondition: caller has verified that we cover the desired section */
+
+ assert(chan_n == 0);
+
+ if (muted()) {
+ return 0; /* read nothing */
+ }
+
+
+ /* dump pulls from zero to infinity ... */
+
+ if (_position) {
+ /* we are starting the read from before the start of the region */
+ internal_offset = 0;
+ } else {
+ /* we are starting the read from after the start of the region */
+ internal_offset = -_position;
+ }
+
+ if (internal_offset >= _length) {
+ return 0; /* read nothing */
+ }
+
+ boost::shared_ptr<MidiSource> src = midi_source(chan_n);
+
+ Glib::Threads::Mutex::Lock lm(src->mutex());
+
+ src->set_note_mode(lm, mode);
+
+#if 0
+ cerr << "MR " << name () << " render "
+ << " _position = " << _position
+ << " _start = " << _start
+ << " intoffset = " << internal_offset
+ << " quarter_note = " << quarter_note()
+ << " start_beat = " << _start_beats
+ << " a1 " << _position - _start
+ << " a2 " << _start + internal_offset
+ << " a3 " << _start + internal_offset + _length
+ << endl;
+#endif
+
+ MidiCursor cursor;
+ MidiStateTracker tracker;
+
+ /* This call reads events from a source and writes them to `dst' timed in session samples */
+
+ src->midi_read (
+ lm, // source lock
+ dst, // destination buffer
+ _position - _start, // start position of the source in session samples
+ _start + internal_offset, // where to start reading in the source
+ _start + internal_offset + _length,
+ 0,
+ cursor,
+ &tracker,
+ filter,
+ _filtered_parameters,
+ quarter_note(),
+ _start_beats);
+
+ /* resolve any notes that were "cut off" by the end of the region. The
+ * Note-Off's get inserted at the end of the region
+ */
+
+ tracker.resolve_notes (dst, _position - _start + _length);
+
+ return 0;
+}
+
+
XMLNode&
MidiRegion::state ()
{
{
int ret = Region::set_state (node, version);
- if (ret == 0) {
- update_length_beats ();
- }
-
return ret;
}
}
int
-MidiRegion::separate_by_channel (ARDOUR::Session&, vector< boost::shared_ptr<Region> >&) const
+MidiRegion::separate_by_channel (vector< boost::shared_ptr<Region> >&) const
{
// TODO
return -1;
return boost::dynamic_pointer_cast<MidiSource>(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<MidiSource> 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<Source>(s)));
+
+}
+
void
MidiRegion::model_changed ()
{
_model_connection, boost::bind (&MidiRegion::model_automation_state_changed, this, _1)
);
- model()->ContentsChanged.connect_same_thread (
- _model_contents_connection, boost::bind (&MidiRegion::model_contents_changed, this));
+ model()->ContentsShifted.connect_same_thread (_model_shift_connection, boost::bind (&MidiRegion::model_shifted, this, _1));
+ model()->ContentsChanged.connect_same_thread (_model_changed_connection, boost::bind (&MidiRegion::model_contents_changed, this));
}
void
MidiRegion::model_contents_changed ()
{
- send_change (PropertyChange (Properties::midi_data));
+ send_change (Properties::contents);
+}
+
+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);
+ what_changed.add (Properties::contents);
+ send_change (what_changed);
+ } else {
+ _ignore_shift = false;
+ }
}
void
} else {
_filtered_parameters.insert (p);
}
+
+ /* the source will have an iterator into the model, and that iterator will have been set up
+ for a given set of filtered_parameters, so now that we've changed that list we must invalidate
+ the iterator.
+ */
+ Glib::Threads::Mutex::Lock lm (midi_source(0)->mutex(), Glib::Threads::TRY_LOCK);
+ if (lm.locked()) {
+ /* TODO: This is too aggressive, we need more fine-grained invalidation. */
+ midi_source(0)->invalidate (lm);
+ }
}
/** This is called when a trim drag has resulted in a -ve _start time for this region.
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 = 0;
+ _start_beats = 0.0;
}
-/** Transpose the notes in this region by a given number of semitones */
void
-MidiRegion::transpose (int semitones)
+MidiRegion::set_start_internal (samplecnt_t s, const int32_t sub_num)
{
- BeatsFramesConverter c (_session.tempo_map(), _start);
- model()->transpose (c.from (_start), c.from (_start + _length), semitones);
+ Region::set_start_internal (s, sub_num);
+
+ set_start_beats_from_start_samples ();
}
void
-MidiRegion::set_start_internal (framecnt_t s)
+MidiRegion::trim_to_internal (samplepos_t position, samplecnt_t length, const int32_t sub_num)
{
- Region::set_start_internal (s);
- set_start_beats_from_start_frames ();
+ if (locked()) {
+ return;
+ }
+
+ PropertyChange what_changed;
+
+
+ /* 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 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) {
+
+ 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);
+
+ 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 = new_start_qn;
+ what_changed.add (Properties::start_beats);
+
+ set_start_internal (new_start, sub_num);
+ what_changed.add (Properties::start);
+ }
+
+ if (_length != length) {
+
+ if (!verify_start_and_length (_start, length)) {
+ return;
+ }
+
+ set_length_internal (length, sub_num);
+ what_changed.add (Properties::length);
+ what_changed.add (Properties::length_beats);
+ }
+
+ set_whole_file (false);
+
+ PropertyChange start_and_length;
+
+ start_and_length.add (Properties::start);
+ start_and_length.add (Properties::length);
+
+ if (what_changed.contains (start_and_length)) {
+ first_edit ();
+ }
+
+ if (!what_changed.empty()) {
+ send_change (what_changed);
+ }
}
projects / ardour.git / blobdiff