/*
- 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 <cassert>
+#include <cstdlib>
+#include <iostream>
+#include <utility>
-#include <stdlib.h>
-
-#include <sigc++/bind.h>
-
-#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 "evoral/EventList.hpp"
+#include "evoral/Control.hpp"
-#include <pbd/error.h>
+#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 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)
+ , _read_end(0)
{
- const XMLProperty* prop = node.property("type");
+#ifndef NDEBUG
+ XMLProperty const * prop = node.property("type");
assert(prop && DataType(prop->value()) == DataType::MIDI);
+#endif
+
+ in_set_state++;
+ if (set_state (node, Stateful::loading_state_version)) {
+ throw failed_constructor ();
+ }
+ in_set_state--;
- in_set_state = true;
- set_state (node);
- in_set_state = false;
+ relayer ();
}
MidiPlaylist::MidiPlaylist (Session& session, string name, bool hidden)
- : Playlist (session, name, DataType::MIDI, 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)
+ : Playlist (other, name, hidden)
+ , _note_mode(other->_note_mode)
+ , _read_end(0)
{
- 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, nframes_t start, 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)
+ , _read_end(0)
{
- /* 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 (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
+ */
+ 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) */
-nframes_t
-MidiPlaylist::read (MidiRingBuffer& dst, nframes_t start,
- nframes_t dur, unsigned chan_n)
+framecnt_t
+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).
- */
-
- Glib::Mutex::Lock rm (region_lock);
+ typedef pair<MidiStateTracker*,framepos_t> TrackerInfo;
- nframes_t end = start + dur - 1;
+ Playlist::RegionReadLock rl (this);
- _read_data_count = 0;
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO,
+ string_compose ("---- MidiPlaylist::read %1 .. %2 (%3 trackers) ----\n",
+ start, start + dur, _note_trackers.size()));
- // relevent regions overlapping start <--> end
- vector<boost::shared_ptr<Region> > regs;
+ /* 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) {
-
- if ((*i)->coverage (start, end) != OverlapNone) {
- regs.push_back(*i);
+ 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:
+ /* 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 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()));
+
+ Evoral::EventList<framepos_t> evlist;
+ Evoral::EventSink<framepos_t>& tgt = direct_read ? dst : evlist;
+
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO,
+ string_compose ("\t%1 regions to read, direct: %2\n", regs.size(), direct_read));
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);
- _read_data_count += mr->read_data_count();
+ if (!mr) {
+ continue;
+ }
+
+ /* 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()));
+ }
+
+ /* 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);
+ }
+
+ } else {
+
+ if (new_tracker) {
+ _note_trackers.insert (make_pair (mr.get(), tracker));
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, "\tadded tracker to trackers\n");
+ }
+ }
}
- return dur;
-}
+ if (!direct_read && !evlist.empty()) {
+ /* We've read from multiple regions, sort the event list by time. */
+ EventsSortByTimeAndType<framepos_t> cmp;
+ evlist.sort (cmp);
+ /* 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;
+ }
+ }
-void
-MidiPlaylist::remove_dependents (boost::shared_ptr<Region> region)
-{
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, "---- End MidiPlaylist::read ----\n");
+ _read_end = start + dur;
+ return dur;
}
-
void
-MidiPlaylist::flush_notifications ()
+MidiPlaylist::region_edited(boost::shared_ptr<Region> region,
+ const MidiModel::NoteDiffCommand* cmd)
{
- Playlist::flush_notifications();
+ typedef MidiModel::NoteDiffCommand Command;
- if (in_flush) {
+ boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
+ if (!mr || !_session.transport_rolling()) {
return;
}
- in_flush = true;
+ /* 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. */
+ }
- in_flush = false;
+ /* 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::refresh_dependents (boost::shared_ptr<Region> r)
+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::finalize_split_region (boost::shared_ptr<Region> original, boost::shared_ptr<Region> left, boost::shared_ptr<Region> right)
+MidiPlaylist::resolve_note_trackers (Evoral::EventSink<framepos_t>& dst, framepos_t time)
{
- 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);
- } else {
- // Overlap, the crossfade is copied on the left side of the right region instead
- fade = new Crossfade( *(*x), right, (*x)->_out);
- }
- }
+ Playlist::RegionWriteLock rl (this, false);
- if ((*x)->_out == orig) {
- if (! (*x)->covers(right->position())) {
- fade = new Crossfade( *(*x), (*x)->_in, right);
- } else {
- // Overlap, the crossfade is copied on the right side of the left region instead
- fade = new Crossfade( *(*x), (*x)->_in, left);
- }
- }
-
- if (fade) {
- _crossfades.remove( (*x) );
- add_crossfade (*fade);
- }
- x = tmp;
- }*/
+ for (NoteTrackers::iterator n = _note_trackers.begin(); n != _note_trackers.end(); ++n) {
+ n->second->tracker.resolve_notes(dst, time);
+ }
+ DEBUG_TRACE (DEBUG::MidiTrackers, string_compose ("%1 resolve all note trackers\n", name()));
+ _note_trackers.clear ();
}
void
-MidiPlaylist::check_dependents (boost::shared_ptr<Region> r, bool norefresh)
+MidiPlaylist::remove_dependents (boost::shared_ptr<Region> region)
{
+ /* MIDI regions have no dependents (crossfades) but we might be tracking notes */
+ _note_trackers.erase(region.get());
}
-
int
-MidiPlaylist::set_state (const XMLNode& node)
+MidiPlaylist::set_state (const XMLNode& node, int version)
{
- if (!in_set_state) {
- Playlist::set_state (node);
- }
-
- // Actually Charles, I don't much care for children
-
- /*
- XMLNodeList nlist = node.children();
+ in_set_state++;
+ freeze ();
- for (XMLNodeConstIterator niter = nlist.begin(); niter != nlist.end(); ++niter) {
-
- XMLNode* const child = *niter;
+ if (Playlist::set_state (node, version)) {
+ return -1;
+ }
- }*/
+ thaw();
+ in_set_state--;
return 0;
}
-XMLNode&
-MidiPlaylist::state (bool full_state)
-{
- XMLNode& node = Playlist::state (full_state);
-
- return node;
-}
-
void
MidiPlaylist::dump () const
{
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;
}
-bool
-MidiPlaylist::region_changed (Change what_changed, boost::shared_ptr<Region> region)
+set<Evoral::Parameter>
+MidiPlaylist::contained_automation()
{
- if (in_flush || in_set_state) {
- return false;
- }
+ /* this function is never called from a realtime thread, so
+ its OK to block (for short intervals).
+ */
- // 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 ();
+ 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) {
+ if (c->second->list()->size() > 0) {
+ ret.insert(c->first);
+ }
+ }
}
- return true;
+ return ret;
}
-
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