#include <glibmm/fileutils.h>
#include <glibmm/miscutils.h>
-#include "evoral/types.hpp"
+#include "evoral/Beats.hpp"
#include "pbd/xml++.h"
#include "pbd/basename.h"
#include "ardour/tempo.h"
#include "ardour/types.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
#include <locale.h>
using namespace std;
MidiRegion::MidiRegion (boost::shared_ptr<const MidiRegion> other)
: Region (other)
, _start_beats (Properties::start_beats, other->_start_beats)
- , _length_beats (Properties::length_beats, Evoral::Beats())
+ , _length_beats (Properties::length_beats, other->_length_beats)
{
- 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)
- : Region (other, offset)
+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, Evoral::Beats())
+ , _length_beats (Properties::length_beats, other->_length_beats)
{
- BeatsFramesConverter bfc (_session.tempo_map(), _position);
- Evoral::Beats const offset_beats = bfc.from (offset);
-
- _start_beats = other->_start_beats.val() + offset_beats;
- _length_beats = other->_length_beats.val() - offset_beats;
-
+ _start_beats = Evoral::Beats (_session.tempo_map().exact_beat_at_frame ((other->_position + offset), sub_num) - other->beat()) + other->_start_beats;
+ update_length_beats (sub_num);
register_properties ();
assert(_name.val().find("/") == string::npos);
{
}
+/** 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>
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_beat (beat());
+
+ return ret;
}
void
Region::post_set (pc);
if (pc.contains (Properties::length) && !pc.contains (Properties::length_beats)) {
- update_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 ();
}
void
MidiRegion::set_start_beats_from_start_frames ()
{
- BeatsFramesConverter c (_session.tempo_map(), _position - _start);
- _start_beats = c.from (_start);
+ _start_beats = Evoral::Beats (beat() - _session.tempo_map().beat_at_frame (_position - _start));
}
void
-MidiRegion::set_length_internal (framecnt_t len)
+MidiRegion::set_length_internal (framecnt_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 || position_lock_style() != MusicTime) {
+ return;
+ }
- /* _position has now been updated for the new tempo map */
- _start = _position - _session.tempo_map().framepos_minus_beats (_position, _start_beats);
+ const framepos_t old_pos = _position;
+ const framepos_t old_length = _length;
+ const framepos_t old_start = _start;
+
+ 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;
+
+ PropertyChange s_and_l;
+ 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 (Properties::start);
+ 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 = Evoral::Beats (_session.tempo_map().exact_beat_at_frame (_position + _length, sub_num) - beat());
}
void
-MidiRegion::set_position_internal (framepos_t pos, bool allow_bbt_recompute)
+MidiRegion::set_position_internal (framepos_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.val() == Evoral::Beats()) {
- /* 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
- */
- BeatsFramesConverter converter (_session.tempo_map(), _position);
- Region::set_length_internal (converter.to (_length_beats));
+ Region::set_position_internal (pos, allow_bbt_recompute, sub_num);
+
+ /* set _start to new position in tempo map */
+ _start = _position - _session.tempo_map().frame_at_beat (beat() - _start_beats.val().to_double());
+
+ /* 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);
}
framecnt_t
to_read, // read duration in frames
tracker,
filter,
- _filtered_parameters
+ _filtered_parameters,
+ beat(),
+ _start_beats.val().to_double()
) != to_read) {
return 0; /* "read nothing" */
}
int ret = Region::set_state (node, version);
if (ret == 0) {
- update_length_beats ();
+ /* set length beats to the frame (non-musical) */
+ if (position_lock_style() == AudioTime) {
+ update_length_beats (0);
+ }
}
return ret;
_start_beats = Evoral::Beats();
}
-/** Transpose the notes in this region by a given number of semitones */
void
-MidiRegion::transpose (int semitones)
+MidiRegion::set_start_internal (framecnt_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);
+
+ if (position_lock_style() == AudioTime) {
+ set_start_beats_from_start_frames ();
+ }
}
void
-MidiRegion::set_start_internal (framecnt_t s)
+MidiRegion::trim_to_internal (framepos_t position, framecnt_t length, const int32_t sub_num)
{
- Region::set_start_internal (s);
- set_start_beats_from_start_frames ();
+ framepos_t new_start;
+
+ if (locked()) {
+ return;
+ }
+
+ 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_beat = _session.tempo_map().exact_beat_at_frame (position, sub_num);
+ const double beat_delta = pos_beat - beat();
+
+ /* 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
+ * length in beats from (1) but at the new position, which is wrong if the region
+ * straddles a tempo/meter change.
+ */
+
+ if (_position != position) {
+ set_position_internal (position, true, sub_num);
+ what_changed.add (Properties::position);
+ }
+
+ const double new_start_beat = _start_beats.val().to_double() + beat_delta;
+ new_start = _position - _session.tempo_map().frame_at_beat (beat() - new_start_beat);
+
+ if (!verify_start_and_length (new_start, length)) {
+ return;
+ }
+
+ if (_start != new_start) {
+ _start_beats = Evoral::Beats (new_start_beat);
+ what_changed.add (Properties::start_beats);
+
+ set_start_internal (new_start, sub_num);
+ what_changed.add (Properties::start);
+ }
+
+ if (_length != length) {
+ 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