#include "ardour/tempo.h"
#include "ardour/types.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
#include <locale.h>
using namespace std;
, _length_beats (Properties::length_beats, midi_source(0)->length_beats())
{
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);
}
/** Create a new MidiRegion that is part of an existing one */
-MidiRegion::MidiRegion (boost::shared_ptr<const MidiRegion> other, frameoffset_t offset, const int32_t& sub_num)
+MidiRegion::MidiRegion (boost::shared_ptr<const MidiRegion> other, frameoffset_t offset, const int32_t sub_num)
: Region (other, offset, sub_num)
, _start_beats (Properties::start_beats, Evoral::Beats())
, _length_beats (Properties::length_beats, other->_length_beats)
{
- _start_beats = Evoral::Beats (_session.tempo_map().exact_beat_at_frame ((other->_position + offset), sub_num) - other->beat()) + other->_start_beats;
+ _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 ();
{
}
+/** 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.frame_rate()));
+
+ BeatsFramesConverter bfc (_session.tempo_map(), _position);
+ Evoral::Beats const bbegin = bfc.from (_start);
+ Evoral::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>
boost::shared_ptr<MidiRegion> ret (boost::dynamic_pointer_cast<MidiRegion> (RegionFactory::create (newsrc, plist, true)));
ret->set_beat (beat());
+ ret->set_pulse (pulse());
return ret;
}
Region::post_set (pc);
if (pc.contains (Properties::length) && !pc.contains (Properties::length_beats)) {
- /* update non-musically */
- update_length_beats (0);
+ /* 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 non-musically */
+ update_length_beats (0);
+ }
} else if (pc.contains (Properties::start) && !pc.contains (Properties::start_beats)) {
set_start_beats_from_start_frames ();
}
void
MidiRegion::set_start_beats_from_start_frames ()
{
- _start_beats = Evoral::Beats (beat() - _session.tempo_map().beat_at_frame (_position - _start));
+ _start_beats = Evoral::Beats ((pulse() * 4.0) - _session.tempo_map().quarter_note_at_frame (_position - _start));
}
void
-MidiRegion::set_length_internal (framecnt_t len, const int32_t& sub_num)
+MidiRegion::set_length_internal (framecnt_t len, const int32_t sub_num)
{
Region::set_length_internal (len, sub_num);
update_length_beats (sub_num);
{
boost::shared_ptr<Playlist> pl (playlist());
- if (!pl || position_lock_style() != MusicTime) {
+ if (!pl) {
return;
}
const framepos_t old_length = _length;
const framepos_t old_start = _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 = _position - _session.tempo_map().frame_at_pulse (pulse() - (_start_beats.val().to_double() / 4.0));
+
+ /* _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));
+
+ 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 = _session.tempo_map().frame_at_beat (beat() + _length_beats.val().to_double()) - _position;
+ _length = _session.tempo_map().frame_at_pulse (pulse() + (_length_beats.val().to_double() / 4.0)) - _position;
- PropertyChange s_and_l;
if (old_start != _start) {
s_and_l.add (Properties::start);
}
}
void
-MidiRegion::update_length_beats (const int32_t& sub_num)
+MidiRegion::update_length_beats (const int32_t sub_num)
{
- _length_beats = Evoral::Beats (_session.tempo_map().exact_beat_at_frame (_position + _length, sub_num) - beat());
+ _length_beats = Evoral::Beats (_session.tempo_map().exact_qn_at_frame (_position + _length, sub_num) - (pulse() * 4.0));
}
void
-MidiRegion::set_position_internal (framepos_t pos, bool allow_bbt_recompute, const int32_t& sub_num)
+MidiRegion::set_position_internal (framepos_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_beat (beat() - _start_beats.val().to_double());
+ _start = _position - _session.tempo_map().frame_at_pulse (pulse() - (_start_beats.val().to_double() / 4.0));
/* in construction from src */
if (_length_beats == Evoral::Beats()) {
update_length_beats (sub_num);
}
- /* 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).
- */
- Region::set_length_internal (_session.tempo_map().frame_at_beat (beat() + _length_beats.val().to_double()) - _position, 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));
+ } 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).
+ */
+ Region::set_length_internal (_session.tempo_map().frame_at_pulse (pulse() + (_length_beats.val().to_double() / 4.0)) - _position, sub_num);
+ }
}
framecnt_t
MidiRegion::read_at (Evoral::EventSink<framepos_t>& out,
framepos_t position,
framecnt_t dur,
+ Evoral::Range<framepos_t>* loop_range,
uint32_t chan_n,
NoteMode mode,
MidiStateTracker* tracker,
MidiChannelFilter* filter) const
{
- return _read_at (_sources, out, position, dur, chan_n, mode, tracker, filter);
+ return _read_at (_sources, out, position, dur, loop_range, 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
+MidiRegion::master_read_at (MidiRingBuffer<framepos_t>& out,
+ framepos_t position,
+ framecnt_t dur,
+ Evoral::Range<framepos_t>* loop_range,
+ 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, chan_n, mode); /* no tracker */
}
framecnt_t
Evoral::EventSink<framepos_t>& dst,
framepos_t position,
framecnt_t dur,
+ Evoral::Range<framepos_t>* loop_range,
uint32_t chan_n,
NoteMode mode,
MidiStateTracker* tracker,
src->set_note_mode(lm, mode);
- /*
- cerr << "MR " << name () << " read @ " << position << " * " << to_read
- << " _position = " << _position
- << " _start = " << _start
- << " intoffset = " << internal_offset
- << endl;
- */
+#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
+ << " pulse = " << pulse()
+ << " start_pulse = " << start_pulse()
+ << " start_beat = " << _start_beats
+ << endl;
+#endif
/* This call reads events from a source and writes them to `dst' timed in session frames */
if (src->midi_read (
lm, // source lock
- 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,
- filter,
- _filtered_parameters,
- beat(),
- _start_beats.val().to_double()
+ 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
+ loop_range,
+ tracker,
+ filter,
+ _filtered_parameters,
+ pulse(),
+ _start_beats.val().to_double()
) != to_read) {
return 0; /* "read nothing" */
}
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 ()
{
}
void
-MidiRegion::set_start_internal (framecnt_t s, const int32_t& sub_num)
+MidiRegion::set_start_internal (framecnt_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 ();
- }
+ }
}
void
-MidiRegion::trim_to_internal (framepos_t position, framecnt_t length, const int32_t& sub_num)
+MidiRegion::trim_to_internal (framepos_t position, framecnt_t length, const int32_t sub_num)
{
- framepos_t new_start;
-
if (locked()) {
return;
}
PropertyChange what_changed;
- /* beat has not been set by set_position_internal */
- const double beat_delta = _session.tempo_map().exact_beat_at_frame (position, sub_num) - beat();
+ /* 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
*/
if (_position != position) {
+ /* sets _beat to new position.*/
set_position_internal (position, true, sub_num);
what_changed.add (Properties::position);
- }
-
- const double new_beat = _session.tempo_map().exact_beat_at_frame (position, sub_num);
- const double new_start_beat = _start_beats.val().to_double() + beat_delta;
- new_start = _position - _session.tempo_map().frame_at_beat (new_beat - new_start_beat);
+ 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);
- if (!verify_start_and_length (new_start, length)) {
- return;
- }
+ if (!verify_start_and_length (new_start, length)) {
+ return;
+ }
- if (_start != new_start) {
- _start_beats = Evoral::Beats (new_start_beat);
+ _start_beats = Evoral::Beats (new_start_pulse * 4.0);
what_changed.add (Properties::start_beats);
set_start_internal (new_start, sub_num);
}
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);
projects / ardour.git / blobdiff