Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include <cassert>
-
#include <algorithm>
+#include <cassert>
+#include <cstdlib>
#include <iostream>
#include <utility>
-#include <stdlib.h>
-
#include "evoral/EventList.hpp"
+#include "evoral/Control.hpp"
+#include "ardour/beats_frames_converter.h"
#include "ardour/debug.h"
#include "ardour/midi_model.h"
#include "ardour/midi_playlist.h"
#include "ardour/midi_region.h"
+#include "ardour/midi_source.h"
+#include "ardour/midi_state_tracker.h"
+#include "ardour/session.h"
#include "ardour/types.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace PBD;
MidiPlaylist::MidiPlaylist (Session& session, const XMLNode& node, bool hidden)
: Playlist (session, node, DataType::MIDI, hidden)
, _note_mode(Sustained)
+ , _read_end(0)
{
#ifndef NDEBUG
- const XMLProperty* prop = node.property("type");
+ XMLProperty const * prop = node.property("type");
assert(prop && DataType(prop->value()) == DataType::MIDI);
#endif
MidiPlaylist::MidiPlaylist (Session& session, string name, bool hidden)
: Playlist (session, name, DataType::MIDI, hidden)
, _note_mode(Sustained)
+ , _read_end(0)
{
}
MidiPlaylist::MidiPlaylist (boost::shared_ptr<const MidiPlaylist> other, string name, bool hidden)
: Playlist (other, name, hidden)
, _note_mode(other->_note_mode)
+ , _read_end(0)
{
}
-MidiPlaylist::MidiPlaylist (boost::shared_ptr<const MidiPlaylist> other, framepos_t start, framecnt_t dur, string name, bool hidden)
+MidiPlaylist::MidiPlaylist (boost::shared_ptr<const MidiPlaylist> other,
+ framepos_t start,
+ framecnt_t dur,
+ string name,
+ bool hidden)
: Playlist (other, start, dur, name, hidden)
, _note_mode(other->_note_mode)
+ , _read_end(0)
{
- /* this constructor does NOT notify others (session) */
}
MidiPlaylist::~MidiPlaylist ()
struct EventsSortByTimeAndType {
bool operator() (Evoral::Event<Time>* a, Evoral::Event<Time>* b) {
if (a->time() == b->time()) {
- if (EventTypeMap::instance().type_is_midi (a->event_type()) && EventTypeMap::instance().type_is_midi (b->event_type())) {
+ if (parameter_is_midi ((AutomationType)a->event_type()) &&
+ parameter_is_midi ((AutomationType)b->event_type())) {
/* negate return value since we must return whether
* or not a should sort before b, not b before a
*/
}
};
-/** Returns the number of frames in time duration read (eg could be large when 0 events are read) */
framecnt_t
-MidiPlaylist::read (Evoral::EventSink<framepos_t>& dst, framepos_t start, framecnt_t dur, unsigned chan_n)
+MidiPlaylist::read (Evoral::EventSink<framepos_t>& dst,
+ framepos_t start,
+ framecnt_t dur,
+ unsigned chan_n,
+ MidiChannelFilter* filter)
{
- /* this function is never called from a realtime thread, so
- its OK to block (for short intervals).
- */
+ typedef pair<MidiStateTracker*,framepos_t> TrackerInfo;
Playlist::RegionReadLock rl (this);
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("++++++ %1 .. %2 +++++++ %3 trackers +++++++++++++++++\n",
- start, start + dur, _note_trackers.size()));
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO,
+ string_compose ("---- MidiPlaylist::read %1 .. %2 (%3 trackers) ----\n",
+ start, start + dur, _note_trackers.size()));
- framepos_t end = start + dur - 1;
-
- // relevent regions overlapping start <--> end
- vector< boost::shared_ptr<Region> > regs;
- vector< boost::shared_ptr<Region> > ended;
- typedef pair<MidiStateTracker*,framepos_t> TrackerInfo;
- vector<TrackerInfo> tracker_info;
- NoteTrackers::iterator t;
+ /* First, emit any queued edit fixup events at start. */
+ for (NoteTrackers::iterator t = _note_trackers.begin(); t != _note_trackers.end(); ++t) {
+ t->second->fixer.emit(dst, _read_end, t->second->tracker);
+ }
+ /* Find relevant regions that overlap [start..end] */
+ const framepos_t end = start + dur - 1;
+ std::vector< boost::shared_ptr<Region> > regs;
+ std::vector< boost::shared_ptr<Region> > ended;
for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
-
- /* in this call to coverage, the return value indicates the
- * overlap status of the read range (start...end) WRT to
- * the region.
- */
-
switch ((*i)->coverage (start, end)) {
case Evoral::OverlapStart:
case Evoral::OverlapInternal:
+ regs.push_back (*i);
+ break;
+
case Evoral::OverlapExternal:
+ /* this region is entirely contained in the read range */
regs.push_back (*i);
+ ended.push_back (*i);
break;
case Evoral::OverlapEnd:
regs.push_back (*i);
ended.push_back (*i);
break;
+
default:
/* we don't care */
break;
}
}
- if (regs.size() == 1 &&
- (ended.empty() || (ended.size() == 1 && ended.front() == regs.front()))) {
-
- /* just a single region - read directly into dst */
+ /* If we are reading from a single region, we can read directly into dst. Otherwise,
+ we read into a temporarily list, sort it, then write that to dst. */
+ const bool direct_read = regs.size() == 1 &&
+ (ended.empty() || (ended.size() == 1 && ended.front() == regs.front()));
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("Single region (%1) read, ended during this read %2\n", regs.front()->name(),
- ended.size()));
+ Evoral::EventList<framepos_t> evlist;
+ Evoral::EventSink<framepos_t>& tgt = direct_read ? dst : evlist;
- boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(regs.front());
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO,
+ string_compose ("\t%1 regions to read, direct: %2\n", regs.size(), direct_read));
- if (mr) {
-
- NoteTrackers::iterator t = _note_trackers.find (mr.get());
- MidiStateTracker* tracker;
- bool new_tracker = false;
-
- if (t == _note_trackers.end()) {
- tracker = new MidiStateTracker;
- new_tracker = true;
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, "\tBEFORE: new tracker\n");
- } else {
- tracker = t->second;
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("\tBEFORE: tracker says there are %1 on notes\n", tracker->on()));
- }
-
- mr->read_at (dst, start, dur, chan_n, _note_mode, tracker);
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("\tAFTER: tracker says there are %1 on notes\n", tracker->on()));
-
- if (!ended.empty()) {
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("\t%1 ended in this read, resolve notes and delete (%2) tracker\n",
- mr->name(), ((new_tracker) ? "new" : "old")));
- tracker->resolve_notes (dst, mr->last_frame());
- delete tracker;
- if (!new_tracker) {
- _note_trackers.erase (t);
- }
- } else {
- if (new_tracker) {
- pair<Region*,MidiStateTracker*> newpair;
- newpair.first = mr.get();
- newpair.second = tracker;
- _note_trackers.insert (newpair);
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, "\tadded tracker to trackers\n");
- }
- }
+ for (vector<boost::shared_ptr<Region> >::iterator i = regs.begin(); i != regs.end(); ++i) {
+ boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(*i);
+ if (!mr) {
+ continue;
}
- } else {
-
- /* multiple regions and/or note resolution: sort by layer, read into a temporary non-monotonically
- sorted EventSink, sort and then insert into dst.
- */
-
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("%1 regions to read, plus %2 trackers\n", regs.size(), tracker_info.size()));
-
- Evoral::EventList<framepos_t> evlist;
-
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("for %1 .. %2 we have %3 to consider\n", start, start+dur-1, regs.size()));
-
- for (vector<boost::shared_ptr<Region> >::iterator i = regs.begin(); i != regs.end(); ++i) {
-
- boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(*i);
+ /* Get the existing note tracker for this region, or create a new one. */
+ NoteTrackers::iterator t = _note_trackers.find (mr.get());
+ bool new_tracker = false;
+ boost::shared_ptr<RegionTracker> tracker;
+ if (t == _note_trackers.end()) {
+ tracker = boost::shared_ptr<RegionTracker>(new RegionTracker);
+ new_tracker = true;
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO,
+ string_compose ("\tPre-read %1 (%2 .. %3): new tracker\n",
+ mr->name(), mr->position(), mr->last_frame()));
+ } else {
+ tracker = t->second;
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO,
+ string_compose ("\tPre-read %1 (%2 .. %3): %4 active notes\n",
+ mr->name(), mr->position(), mr->last_frame(), tracker->tracker.on()));
+ }
- if (!mr) {
- continue;
+ /* Read from region into target. */
+ mr->read_at (tgt, start, dur, chan_n, _note_mode, &tracker->tracker, filter);
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO,
+ string_compose ("\tPost-read: %1 active notes\n", tracker->tracker.on()));
+
+ if (find (ended.begin(), ended.end(), *i) != ended.end()) {
+ /* Region ended within the read range, so resolve any active notes
+ (either stuck notes in the data, or notes that end after the end
+ of the region). */
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO,
+ string_compose ("\t%1 ended, resolve notes and delete (%2) tracker\n",
+ mr->name(), ((new_tracker) ? "new" : "old")));
+
+ tracker->tracker.resolve_notes (tgt, (*i)->last_frame());
+ if (!new_tracker) {
+ _note_trackers.erase (t);
}
- NoteTrackers::iterator t = _note_trackers.find (mr.get());
- MidiStateTracker* tracker;
- bool new_tracker = false;
-
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("Before %1 (%2 .. %3) we now have %4 events\n", mr->name(), mr->position(), mr->last_frame(), evlist.size()));
+ } else {
- if (t == _note_trackers.end()) {
- tracker = new MidiStateTracker;
- new_tracker = true;
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, "\tBEFORE: new tracker\n");
- } else {
- tracker = t->second;
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("\tBEFORE: tracker says there are %1 on notes\n", tracker->on()));
+ if (new_tracker) {
+ _note_trackers.insert (make_pair (mr.get(), tracker));
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, "\tadded tracker to trackers\n");
}
+ }
+ }
+ if (!direct_read && !evlist.empty()) {
+ /* We've read from multiple regions, sort the event list by time. */
+ EventsSortByTimeAndType<framepos_t> cmp;
+ evlist.sort (cmp);
- mr->read_at (evlist, start, dur, chan_n, _note_mode, tracker);
-
-#ifndef NDEBUG
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("After %1 (%2 .. %3) we now have %4\n", mr->name(), mr->position(), mr->last_frame(), evlist.size()));
- for (Evoral::EventList<framepos_t>::iterator x = evlist.begin(); x != evlist.end(); ++x) {
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("\t%1\n", **x));
- }
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("\tAFTER: tracker says there are %1 on notes\n", tracker->on()));
-#endif
- if (find (ended.begin(), ended.end(), *i) != ended.end()) {
-
- /* the region ended within the read range, so
- * resolve any dangling notes (i.e. notes whose
- * end is beyond the end of the region).
- */
-
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("\t%1 ended in this read, resolve notes and delete (%2) tracker\n",
- mr->name(), ((new_tracker) ? "new" : "old")));
-
- tracker->resolve_notes (evlist, (*i)->last_frame());
- delete tracker;
- if (!new_tracker) {
- _note_trackers.erase (t);
- }
-
- } else {
-
- if (new_tracker) {
- _note_trackers.insert (make_pair (mr.get(), tracker));
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, "\tadded tracker to trackers\n");
- }
- }
+ /* Copy ordered events from event list to dst. */
+ for (Evoral::EventList<framepos_t>::iterator e = evlist.begin(); e != evlist.end(); ++e) {
+ Evoral::Event<framepos_t>* ev (*e);
+ dst.write (ev->time(), ev->event_type(), ev->size(), ev->buffer());
+ delete ev;
}
+ }
- if (!evlist.empty()) {
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, "---- End MidiPlaylist::read ----\n");
+ _read_end = start + dur;
+ return dur;
+}
- /* sort the event list */
- EventsSortByTimeAndType<framepos_t> cmp;
- evlist.sort (cmp);
+void
+MidiPlaylist::region_edited(boost::shared_ptr<Region> region,
+ const MidiModel::NoteDiffCommand* cmd)
+{
+ typedef MidiModel::NoteDiffCommand Command;
-#ifndef NDEBUG
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("Final we now have %1 events\n", evlist.size()));
- for (Evoral::EventList<framepos_t>::iterator x = evlist.begin(); x != evlist.end(); ++x) {
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("\t%1\n", **x));
- }
-#endif
- /* write into dst */
- for (Evoral::EventList<framepos_t>::iterator e = evlist.begin(); e != evlist.end(); ++e) {
- Evoral::Event<framepos_t>* ev (*e);
- dst.write (ev->time(), ev->event_type(), ev->size(), ev->buffer());
- delete ev;
- }
+ boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
+ if (!mr || !_session.transport_rolling()) {
+ return;
+ }
- }
+ /* Take write lock to prevent concurrency with read(). */
+ Playlist::RegionWriteLock lock(this);
+
+ NoteTrackers::iterator t = _note_trackers.find(mr.get());
+ if (t == _note_trackers.end()) {
+ return; /* Region is not currently active, nothing to do. */
}
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, "-------------------------------------------------------------\n");
- return dur;
+ /* Queue any necessary edit compensation events. */
+ t->second->fixer.prepare(
+ _session.tempo_map(), cmd, mr->position() - mr->start(),
+ _read_end, mr->midi_source()->model()->active_notes());
+}
+
+void
+MidiPlaylist::reset_note_trackers ()
+{
+ Playlist::RegionWriteLock rl (this, false);
+
+ DEBUG_TRACE (DEBUG::MidiTrackers, string_compose ("%1 reset all note trackers\n", name()));
+ _note_trackers.clear ();
}
void
-MidiPlaylist::clear_note_trackers ()
+MidiPlaylist::resolve_note_trackers (Evoral::EventSink<framepos_t>& dst, framepos_t time)
{
Playlist::RegionWriteLock rl (this, false);
for (NoteTrackers::iterator n = _note_trackers.begin(); n != _note_trackers.end(); ++n) {
- delete n->second;
+ n->second->tracker.resolve_notes(dst, time);
}
- DEBUG_TRACE (DEBUG::MidiTrackers, string_compose ("%1 clears all note trackers\n", name()));
+ DEBUG_TRACE (DEBUG::MidiTrackers, string_compose ("%1 resolve all note trackers\n", name()));
_note_trackers.clear ();
}
MidiPlaylist::remove_dependents (boost::shared_ptr<Region> region)
{
/* MIDI regions have no dependents (crossfades) but we might be tracking notes */
- NoteTrackers::iterator t = _note_trackers.find (region.get());
-
- /* GACK! THREAD SAFETY! */
-
- if (t != _note_trackers.end()) {
- delete t->second;
- _note_trackers.erase (t);
- }
+ _note_trackers.erase(region.get());
}
int
for (Automatable::Controls::iterator c = mr->model()->controls().begin();
c != mr->model()->controls().end(); ++c) {
- ret.insert(c->first);
+ if (c->second->list()->size() > 0) {
+ ret.insert(c->first);
+ }
}
}
return ret;
}
-
-
-bool
-MidiPlaylist::region_changed (const PBD::PropertyChange& what_changed, boost::shared_ptr<Region> region)
-{
- if (in_flush || in_set_state) {
- return false;
- }
-
- PBD::PropertyChange our_interests;
- our_interests.add (Properties::midi_data);
-
- bool parent_wants_notify = Playlist::region_changed (what_changed, region);
-
- if (parent_wants_notify || what_changed.contains (our_interests)) {
- notify_contents_changed ();
- }
-
- return true;
-}
-
projects / ardour.git / blobdiff