#include "ardour/tempo.h"
#include "ardour/types.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
#include <locale.h>
using namespace std;
}
/** 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)
{
}
+/** 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>
}
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);
void
MidiRegion::update_after_tempo_map_change (bool /* send */)
{
+ boost::shared_ptr<Playlist> pl (playlist());
+
+ if (!pl || position_lock_style() != MusicTime) {
+ return;
+ }
+
const framepos_t old_pos = _position;
const framepos_t old_length = _length;
const framepos_t old_start = _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());
}
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);
/* 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).
*/
to_read, // read duration in frames
tracker,
filter,
- _filtered_parameters
+ _filtered_parameters,
+ beat(),
+ _start_beats.val().to_double()
) != to_read) {
return 0; /* "read nothing" */
}
}
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;
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_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
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);
+ new_start = _position - _session.tempo_map().frame_at_beat (beat() - new_start_beat);
if (!verify_start_and_length (new_start, length)) {
return;
projects / ardour.git / blobdiff