/*
- Copyright (C) 2006 Paul Davis
- Written by Dave Robillard, 2006
+ Copyright (C) 2006 Paul Davis
+ Author: David Robillard
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#include <cassert>
#include <algorithm>
+#include <iostream>
+#include <utility>
#include <stdlib.h>
-#include <sigc++/bind.h>
+#include "evoral/EventList.hpp"
-#include <ardour/types.h>
-#include <ardour/configuration.h>
-#include <ardour/midi_playlist.h>
-#include <ardour/midi_region.h>
-#include <ardour/session.h>
-#include <ardour/midi_ring_buffer.h>
-
-#include <pbd/error.h>
+#include "ardour/debug.h"
+#include "ardour/midi_model.h"
+#include "ardour/midi_playlist.h"
+#include "ardour/midi_region.h"
+#include "ardour/types.h"
#include "i18n.h"
using namespace ARDOUR;
-using namespace sigc;
+using namespace PBD;
using namespace std;
MidiPlaylist::MidiPlaylist (Session& session, const XMLNode& node, bool hidden)
- : Playlist (session, node, DataType::MIDI, hidden)
+ : Playlist (session, node, DataType::MIDI, hidden)
+ , _note_mode(Sustained)
{
+#ifndef NDEBUG
const XMLProperty* prop = node.property("type");
assert(prop && DataType(prop->value()) == DataType::MIDI);
+#endif
- in_set_state = true;
- set_state (node);
- in_set_state = false;
+ in_set_state++;
+ if (set_state (node, Stateful::loading_state_version)) {
+ throw failed_constructor ();
+ }
+ in_set_state--;
+
+ relayer ();
}
MidiPlaylist::MidiPlaylist (Session& session, string name, bool hidden)
- : Playlist (session, name, DataType::MIDI, hidden)
+ : Playlist (session, name, DataType::MIDI, hidden)
+ , _note_mode(Sustained)
{
}
MidiPlaylist::MidiPlaylist (boost::shared_ptr<const MidiPlaylist> other, string name, bool hidden)
- : Playlist (other, name, hidden)
+ : Playlist (other, name, hidden)
+ , _note_mode(other->_note_mode)
{
- throw; // nope
-
- /*
- list<Region*>::const_iterator in_o = other.regions.begin();
- list<Region*>::iterator in_n = regions.begin();
-
- while (in_o != other.regions.end()) {
- MidiRegion *ar = dynamic_cast<MidiRegion *>( (*in_o) );
-
- for (list<Crossfade *>::const_iterator xfades = other._crossfades.begin(); xfades != other._crossfades.end(); ++xfades) {
- if ( &(*xfades)->in() == ar) {
- // We found one! Now copy it!
-
- list<Region*>::const_iterator out_o = other.regions.begin();
- list<Region*>::const_iterator out_n = regions.begin();
-
- while (out_o != other.regions.end()) {
-
- MidiRegion *ar2 = dynamic_cast<MidiRegion *>( (*out_o) );
-
- if ( &(*xfades)->out() == ar2) {
- MidiRegion *in = dynamic_cast<MidiRegion*>( (*in_n) );
- MidiRegion *out = dynamic_cast<MidiRegion*>( (*out_n) );
- Crossfade *new_fade = new Crossfade( *(*xfades), in, out);
- add_crossfade(*new_fade);
- break;
- }
-
- out_o++;
- out_n++;
- }
- // cerr << "HUH!? second region in the crossfade not found!" << endl;
- }
- }
-
- in_o++;
- in_n++;
- }
-*/
}
-MidiPlaylist::MidiPlaylist (boost::shared_ptr<const MidiPlaylist> other, jack_nframes_t start, jack_nframes_t dur, string name, bool hidden)
- : Playlist (other, start, dur, name, 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)
{
/* this constructor does NOT notify others (session) */
}
MidiPlaylist::~MidiPlaylist ()
{
- GoingAway (); /* EMIT SIGNAL */
}
-struct RegionSortByLayer {
- bool operator() (boost::shared_ptr<Region> a, boost::shared_ptr<Region> b) {
- return a->layer() < b->layer();
+template<typename Time>
+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())) {
+ /* negate return value since we must return whether
+ * or not a should sort before b, not b before a
+ */
+ return !MidiBuffer::second_simultaneous_midi_byte_is_first (a->buffer()[0], b->buffer()[0]);
+ }
+ }
+ return a->time() < b->time();
}
};
/** Returns the number of frames in time duration read (eg could be large when 0 events are read) */
-jack_nframes_t
-MidiPlaylist::read (MidiRingBuffer& dst, jack_nframes_t start,
- jack_nframes_t dur, unsigned chan_n)
+framecnt_t
+MidiPlaylist::read (Evoral::EventSink<framepos_t>& dst, framepos_t start, framecnt_t dur, unsigned chan_n)
{
/* this function is never called from a realtime thread, so
its OK to block (for short intervals).
*/
- Glib::Mutex::Lock rm (region_lock);
+ Playlist::RegionReadLock rl (this);
- jack_nframes_t ret = 0;
- jack_nframes_t end = start + dur - 1;
- //jack_nframes_t read_frames = 0;
- //jack_nframes_t skip_frames = 0;
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("++++++ %1 .. %2 +++++++ %3 trackers +++++++++++++++++\n",
+ start, start + dur, _note_trackers.size()));
- //_read_data_count = 0;
+ framepos_t end = start + dur - 1;
// relevent regions overlapping start <--> end
- vector<boost::shared_ptr<Region> > regs;
+ 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;
for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
- if ((*i)->coverage (start, end) != OverlapNone) {
- regs.push_back(*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:
+ case Evoral::OverlapExternal:
+ regs.push_back (*i);
+ break;
+
+ case Evoral::OverlapEnd:
+ /* this region ends within the read range */
+ regs.push_back (*i);
+ ended.push_back (*i);
+ break;
+ default:
+ /* we don't care */
+ break;
}
}
- RegionSortByLayer layer_cmp;
- sort(regs.begin(), regs.end(), layer_cmp);
+ if (regs.size() == 1 &&
+ (ended.empty() || (ended.size() == 1 && ended.front() == regs.front()))) {
- for (vector<boost::shared_ptr<Region> >::iterator i = regs.begin(); i != regs.end(); ++i) {
- // FIXME: ensure time is monotonic here
- boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(*i);
- mr->read_at (dst, start, dur, chan_n, 0, 0);// FIXME read_frames, skip_frames);
- ret += mr->read_data_count();
- }
+ /* just a single region - read directly into dst */
- _read_data_count += ret;
-
- //return ret; FIXME?
- return dur;
-}
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("Single region (%1) read, ended during this read %2\n", regs.front()->name(),
+ ended.size()));
+ boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(regs.front());
-void
-MidiPlaylist::remove_dependents (boost::shared_ptr<Region> region)
-{
-}
+ if (mr) {
+ NoteTrackers::iterator t = _note_trackers.find (mr.get());
+ MidiStateTracker* tracker;
+ bool new_tracker = false;
-void
-MidiPlaylist::flush_notifications ()
-{
- Playlist::flush_notifications();
+ 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 (in_flush) {
- return;
- }
+ 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()));
- in_flush = true;
+ 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");
+ }
+ }
+ }
- in_flush = false;
-}
+ } else {
-void
-MidiPlaylist::refresh_dependents (boost::shared_ptr<Region> r)
-{
-}
+ /* multiple regions and/or note resolution: sort by layer, read into a temporary non-monotonically
+ sorted EventSink, sort and then insert into dst.
+ */
-void
-MidiPlaylist::finalize_split_region (boost::shared_ptr<Region> original, boost::shared_ptr<Region> left, boost::shared_ptr<Region> right)
-{
- throw; // I don't wanna
- /*
- MidiRegion *orig = dynamic_cast<MidiRegion*>(o);
- MidiRegion *left = dynamic_cast<MidiRegion*>(l);
- MidiRegion *right = dynamic_cast<MidiRegion*>(r);
-
- for (Crossfades::iterator x = _crossfades.begin(); x != _crossfades.end();) {
- Crossfades::iterator tmp;
- tmp = x;
- ++tmp;
-
- Crossfade *fade = 0;
-
- if ((*x)->_in == orig) {
- if (! (*x)->covers(right->position())) {
- fade = new Crossfade( *(*x), left, (*x)->_out);
+ 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);
+
+ if (!mr) {
+ continue;
+ }
+
+ 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()));
+
+ if (t == _note_trackers.end()) {
+ tracker = new MidiStateTracker;
+ new_tracker = true;
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, "\tBEFORE: new tracker\n");
} else {
- // Overlap, the crossfade is copied on the left side of the right region instead
- fade = new Crossfade( *(*x), right, (*x)->_out);
+ tracker = t->second;
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("\tBEFORE: tracker says there are %1 on notes\n", tracker->on()));
}
- }
- if ((*x)->_out == orig) {
- if (! (*x)->covers(right->position())) {
- fade = new Crossfade( *(*x), (*x)->_in, right);
+
+ 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 {
- // Overlap, the crossfade is copied on the right side of the left region instead
- fade = new Crossfade( *(*x), (*x)->_in, left);
+
+ if (new_tracker) {
+ _note_trackers.insert (make_pair (mr.get(), tracker));
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, "\tadded tracker to trackers\n");
+ }
}
}
- if (fade) {
- _crossfades.remove( (*x) );
- add_crossfade (*fade);
+ if (!evlist.empty()) {
+
+ /* sort the event list */
+ EventsSortByTimeAndType<framepos_t> cmp;
+ evlist.sort (cmp);
+
+#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;
+ }
+
}
- x = tmp;
- }*/
+ }
+
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, "-------------------------------------------------------------\n");
+ return dur;
}
void
-MidiPlaylist::check_dependents (boost::shared_ptr<Region> r, bool norefresh)
+MidiPlaylist::clear_note_trackers ()
{
-}
+ Playlist::RegionWriteLock rl (this, false);
-
-int
-MidiPlaylist::set_state (const XMLNode& node)
-{
- if (!in_set_state) {
- Playlist::set_state (node);
+ for (NoteTrackers::iterator n = _note_trackers.begin(); n != _note_trackers.end(); ++n) {
+ delete n->second;
}
+ DEBUG_TRACE (DEBUG::MidiTrackers, string_compose ("%1 clears all note trackers\n", name()));
+ _note_trackers.clear ();
+}
- // Actually Charles, I don't much care for children
-
- /*
- XMLNodeList nlist = node.children();
-
- for (XMLNodeConstIterator niter = nlist.begin(); niter != nlist.end(); ++niter) {
-
- XMLNode* const child = *niter;
+void
+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! */
- return 0;
+ if (t != _note_trackers.end()) {
+ delete t->second;
+ _note_trackers.erase (t);
+ }
}
-XMLNode&
-MidiPlaylist::state (bool full_state)
+int
+MidiPlaylist::set_state (const XMLNode& node, int version)
{
- XMLNode& node = Playlist::state (full_state);
+ in_set_state++;
+ freeze ();
- return node;
+ if (Playlist::set_state (node, version)) {
+ return -1;
+ }
+
+ thaw();
+ in_set_state--;
+
+ return 0;
}
void
MidiPlaylist::destroy_region (boost::shared_ptr<Region> region)
{
boost::shared_ptr<MidiRegion> r = boost::dynamic_pointer_cast<MidiRegion> (region);
- bool changed = false;
- if (r == 0) {
- PBD::fatal << _("programming error: non-midi Region passed to remove_overlap in midi playlist")
- << endmsg;
- /*NOTREACHED*/
+ if (!r) {
return false;
}
+ bool changed = false;
+
{
- RegionLock rlock (this);
+ RegionWriteLock rlock (this);
RegionList::iterator i;
RegionList::iterator tmp;
return changed;
}
+set<Evoral::Parameter>
+MidiPlaylist::contained_automation()
+{
+ /* this function is never called from a realtime thread, so
+ its OK to block (for short intervals).
+ */
+
+ Playlist::RegionReadLock rl (this);
+ set<Evoral::Parameter> ret;
+
+ for (RegionList::const_iterator r = regions.begin(); r != regions.end(); ++r) {
+ boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(*r);
+
+ for (Automatable::Controls::iterator c = mr->model()->controls().begin();
+ c != mr->model()->controls().end(); ++c) {
+ ret.insert(c->first);
+ }
+ }
+
+ return ret;
+}
+
+
bool
-MidiPlaylist::region_changed (Change what_changed, boost::shared_ptr<Region> region)
+MidiPlaylist::region_changed (const PBD::PropertyChange& what_changed, boost::shared_ptr<Region> region)
{
if (in_flush || in_set_state) {
return false;
}
- // Feeling rather uninterested today, but thanks for the heads up anyway!
-
- Change our_interests = Change (/*MidiRegion::FadeInChanged|
- MidiRegion::FadeOutChanged|
- MidiRegion::FadeInActiveChanged|
- MidiRegion::FadeOutActiveChanged|
- MidiRegion::EnvelopeActiveChanged|
- MidiRegion::ScaleAmplitudeChanged|
- MidiRegion::EnvelopeChanged*/);
- bool parent_wants_notify;
-
- parent_wants_notify = Playlist::region_changed (what_changed, region);
-
- if ((parent_wants_notify || (what_changed & our_interests))) {
- notify_modified ();
+ 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;