#include <set>
-#include <glibmm/thread.h>
+#include <glibmm/threads.h>
+#include <glibmm/fileutils.h>
+#include <glibmm/miscutils.h>
+
+#include "evoral/Beats.hpp"
-#include "pbd/basename.h"
#include "pbd/xml++.h"
-#include "pbd/enumwriter.h"
+#include "pbd/basename.h"
+#include "ardour/automation_control.h"
+#include "ardour/midi_model.h"
#include "ardour/midi_region.h"
-#include "ardour/session.h"
-#include "ardour/gain.h"
-#include "ardour/dB.h"
-#include "ardour/playlist.h"
+#include "ardour/midi_ring_buffer.h"
#include "ardour/midi_source.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/midi_ring_buffer.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> length_beats;
- }
+ PBD::PropertyDescriptor<Evoral::Beats> start_beats;
+ PBD::PropertyDescriptor<Evoral::Beats> 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::length_beats.property_id = g_quark_from_static_string (X_("length-beats"));
- DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for length-beats = %1\n", Properties::length_beats.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"));
+ DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for length-beats = %1\n", Properties::length_beats.property_id));
}
void
MidiRegion::register_properties ()
{
+ add_property (_start_beats);
add_property (_length_beats);
}
/* Basic MidiRegion constructor (many channels) */
MidiRegion::MidiRegion (const SourceList& srcs)
: Region (srcs)
- , _length_beats (Properties::length_beats, (Evoral::MusicalTime) 0)
+ , _start_beats (Properties::start_beats, Evoral::Beats())
+ , _length_beats (Properties::length_beats, midi_source(0)->length_beats())
{
- update_length_beats ();
- register_properties ();
-
+ 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);
assert(_type == DataType::MIDI);
}
-/** Create a new MidiRegion, that is part of an existing one */
-MidiRegion::MidiRegion (boost::shared_ptr<const MidiRegion> other, frameoffset_t offset, bool offset_relative)
- : Region (other, offset, offset_relative)
- , _length_beats (Properties::length_beats, (Evoral::MusicalTime) 0)
+MidiRegion::MidiRegion (boost::shared_ptr<const MidiRegion> other)
+ : Region (other)
+ , _start_beats (Properties::start_beats, other->_start_beats)
+ , _length_beats (Properties::length_beats, other->_length_beats)
{
- update_length_beats ();
- register_properties ();
+ //update_length_beats ();
+ register_properties ();
+
+ assert(_name.val().find("/") == string::npos);
+ midi_source(0)->ModelChanged.connect_same_thread (_source_connection, boost::bind (&MidiRegion::model_changed, this));
+ model_changed ();
+}
+
+/** 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)
+ : 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_qn_at_frame (other->_position + offset, sub_num) - (other->pulse() * 4.0)) + other->_start_beats;
+
+ update_length_beats (sub_num);
+ register_properties ();
assert(_name.val().find("/") == string::npos);
midi_source(0)->ModelChanged.connect_same_thread (_source_connection, boost::bind (&MidiRegion::model_changed, this));
{
}
-/** Create a new MidiRegion that has its own version of some/all of the Source used by another.
+/** 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>
+MidiRegion::clone (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()));
+ return clone (newsrc);
+}
+
boost::shared_ptr<MidiRegion>
-MidiRegion::clone ()
+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);
+ 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)->write_to (lm, newsrc, bbegin, bend)) {
+ return boost::shared_ptr<MidiRegion> ();
+ }
+ }
- boost::shared_ptr<MidiSource> ms = midi_source(0)->clone (bbegin, bend);
+ PropertyList plist;
- PropertyList plist;
+ plist.add (Properties::name, PBD::basename_nosuffix (newsrc->name()));
+ plist.add (Properties::whole_file, true);
+ plist.add (Properties::start, _start);
+ plist.add (Properties::start_beats, _start_beats);
+ plist.add (Properties::length, _length);
+ plist.add (Properties::length_beats, _length_beats);
+ plist.add (Properties::layer, 0);
- plist.add (Properties::name, ms->name());
- plist.add (Properties::whole_file, true);
- plist.add (Properties::start, _start);
- plist.add (Properties::length, _length);
- plist.add (Properties::length_beats, _length_beats);
- plist.add (Properties::layer, 0);
+ 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;
+}
- return boost::dynamic_pointer_cast<MidiRegion> (RegionFactory::create (ms, plist, true));
+void
+MidiRegion::post_set (const PropertyChange& pc)
+{
+ Region::post_set (pc);
+
+ if (pc.contains (Properties::length) && !pc.contains (Properties::length_beats)) {
+ /* 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_length_internal (framecnt_t len)
+MidiRegion::set_start_beats_from_start_frames ()
{
- Region::set_length_internal (len);
- update_length_beats ();
+ _start_beats = Evoral::Beats ((pulse() * 4.0) - _session.tempo_map().quarter_note_at_frame (_position - _start));
}
void
-MidiRegion::update_length_beats ()
+MidiRegion::set_length_internal (framecnt_t len, const int32_t sub_num)
{
- cerr << name() << " Updating length beats, currently = " << _length_beats << " w/length = " << _length << endl;
- BeatsFramesConverter converter (_session.tempo_map(), _position - _start);
- _length_beats = converter.from (_length);
- cerr << "\tnew value: " << _length_beats << endl;
+ Region::set_length_internal (len, sub_num);
+ update_length_beats (sub_num);
}
void
-MidiRegion::set_position_internal (framepos_t pos, bool allow_bbt_recompute)
-{
- 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) {
- /* 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 - _start);
- cerr << name() << " change frame length to " << converter.to (_length_beats) << endl;
- Region::set_length_internal (converter.to (_length_beats));
- }
+MidiRegion::update_after_tempo_map_change (bool /* send */)
+{
+ boost::shared_ptr<Playlist> pl (playlist());
+
+ if (!pl) {
+ return;
+ }
+
+ const framepos_t old_pos = _position;
+ 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_pulse (pulse() + (_length_beats.val().to_double() / 4.0)) - _position;
+
+ 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 (const int32_t sub_num)
+{
+ _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)
+{
+ 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));
+
+ /* in construction from src */
+ if (_length_beats == Evoral::Beats()) {
+ 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));
+ } 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, uint32_t chan_n, NoteMode mode, MidiStateTracker* tracker) const
+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);
+ 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
-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
+MidiRegion::_read_at (const SourceList& /*srcs*/,
+ 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,
+ MidiChannelFilter* filter) const
{
frameoffset_t internal_offset = 0;
- framecnt_t to_read = 0;
+ framecnt_t to_read = 0;
/* precondition: caller has verified that we cover the desired section */
return 0; /* read nothing */
}
- _read_data_count = 0;
-
boost::shared_ptr<MidiSource> src = midi_source(chan_n);
- src->set_note_mode(mode);
-
- /*
- cerr << "MR read @ " << position << " * " << to_read
- << " _position = " << _position
- << " _start = " << _start
- << " intoffset = " << internal_offset
- << endl;
- */
+
+ 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
+ << " 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 (
- 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 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" */
}
- _read_data_count += src->read_data_count();
-
return to_read;
}
{
int ret = Region::set_state (node, version);
- if (ret == 0) {
- update_length_beats ();
- }
+ if (ret == 0) {
+ /* set length beats to the frame (non-musical) */
+ if (position_lock_style() == AudioTime) {
+ update_length_beats (0);
+ }
+ }
- return ret;
+ return ret;
}
void
MidiRegion::recompute_at_end ()
{
/* our length has changed
- * so what? stuck notes are dealt with via a note state tracker
+ * so what? stuck notes are dealt with via a note state tracker
*/
}
return -1;
}
-int
-MidiRegion::exportme (ARDOUR::Session&, ARDOUR::ExportSpecification&)
+boost::shared_ptr<Evoral::Control>
+MidiRegion::control (const Evoral::Parameter& id, bool create)
{
- return -1;
+ return model()->control(id, create);
+}
+
+boost::shared_ptr<const Evoral::Control>
+MidiRegion::control (const Evoral::Parameter& id) const
+{
+ return model()->control(id);
+}
+
+boost::shared_ptr<MidiModel>
+MidiRegion::model()
+{
+ return midi_source()->model();
+}
+
+boost::shared_ptr<const MidiModel>
+MidiRegion::model() const
+{
+ return midi_source()->model();
}
boost::shared_ptr<MidiSource>
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 ()
{
if (!model()) {
return;
}
-
+
/* build list of filtered Parameters, being those whose automation state is not `Play' */
_filtered_parameters.clear ();
midi_source()->AutomationStateChanged.connect_same_thread (
_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));
-}
-
-void
-MidiRegion::model_contents_changed ()
-{
- send_change (PropertyChange (Properties::midi_data));
}
void
MidiRegion::model_automation_state_changed (Evoral::Parameter const & p)
{
/* Update our filtered parameters list after a change to a parameter's AutoState */
-
- boost::shared_ptr<AutomationControl> ac = model()->automation_control (p);
- assert (ac);
- if (ac->alist()->automation_state() == Play) {
+ boost::shared_ptr<AutomationControl> ac = model()->automation_control (p);
+ if (!ac || ac->alist()->automation_state() == Play) {
+ /* It should be "impossible" for ac to be NULL, but if it is, don't
+ filter the parameter so events aren't lost. */
_filtered_parameters.erase (p);
} else {
_filtered_parameters.insert (p);
for a given set of filtered_parameters, so now that we've changed that list we must invalidate
the iterator.
*/
- Glib::Mutex::Lock lm (midi_source(0)->mutex());
- midi_source(0)->invalidate ();
+ 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);
+ BeatsFramesConverter c (_session.tempo_map(), _position);
model()->insert_silence_at_start (c.from (-_start));
_start = 0;
+ _start_beats = Evoral::Beats();
+}
+
+void
+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)
+{
+ 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_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
+ * 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.*/
+ 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);
+
+ if (!verify_start_and_length (new_start, length)) {
+ return;
+ }
+
+ _start_beats = Evoral::Beats (new_start_pulse * 4.0);
+ 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