/*
- Copyright (C) 2006 Paul Davis
- Written by Dave Robillard, 2006
+ Copyright (C) 2006 Paul Davis
+ Written by Dave Robillard, 2006
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 <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 "ardour/debug.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 <pbd/error.h>
+#include "pbd/error.h"
#include "i18n.h"
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)
{
const XMLProperty* prop = node.property("type");
assert(prop && DataType(prop->value()) == DataType::MIDI);
- in_set_state = true;
- set_state (node);
- in_set_state = false;
+ in_set_state++;
+ set_state (node, Stateful::loading_state_version);
+ in_set_state--;
}
MidiPlaylist::MidiPlaylist (Session& session, string name, bool hidden)
- : Playlist (session, name, DataType::MIDI, hidden)
+ : Playlist (session, name, DataType::MIDI, hidden)
{
}
MidiPlaylist::MidiPlaylist (boost::shared_ptr<const MidiPlaylist> other, string name, bool hidden)
- : Playlist (other, name, hidden)
+ : Playlist (other, name, hidden)
{
- 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)
MidiPlaylist::~MidiPlaylist ()
{
- GoingAway (); /* EMIT SIGNAL */
+ GoingAway (); /* EMIT SIGNAL */
+
+ /* drop connections to signals */
+
+ notify_callbacks ();
}
-struct RegionSortByLayer {
- bool operator() (boost::shared_ptr<Region> a, boost::shared_ptr<Region> b) {
- return a->layer() < b->layer();
+template<typename Time>
+struct EventsSortByTime {
+ bool operator() (Evoral::Event<Time>* a, Evoral::Event<Time>* b) {
+ 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)
+MidiPlaylist::read (MidiRingBuffer<nframes_t>& dst, nframes_t start, nframes_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);
+ Glib::RecMutex::Lock rm (region_lock);
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("++++++ %1 .. %2 +++++++++++++++++++++++++++++++++++++++++++++++\n", start, start + dur));
- nframes_t ret = 0;
- nframes_t end = start + dur - 1;
- //nframes_t read_frames = 0;
- //nframes_t skip_frames = 0;
+ nframes_t end = start + dur - 1;
- //_read_data_count = 0;
+ _read_data_count = 0;
// relevent regions overlapping start <--> end
- vector<boost::shared_ptr<Region> > regs;
+ vector< boost::shared_ptr<Region> > regs;
+ typedef pair<MidiStateTracker*,nframes64_t> TrackerInfo;
+ vector<TrackerInfo> tracker_info;
+ uint32_t note_cnt = 0;
for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
-
if ((*i)->coverage (start, end) != OverlapNone) {
regs.push_back(*i);
+ } else {
+ NoteTrackers::iterator t = _note_trackers.find ((*i).get());
+ if (t != _note_trackers.end()) {
+
+ /* add it the set of trackers we will do note resolution
+ on, and remove it from the list we are keeping
+ around, because we don't need it anymore.
+
+ if the end of the region (where we want to theoretically resolve notes)
+ is outside the current read range, then just do it at the start
+ of this read range.
+ */
+
+ nframes64_t resolve_at = (*i)->last_frame();
+ if (resolve_at >= end) {
+ resolve_at = start;
+ }
+
+ tracker_info.push_back (TrackerInfo (t->second, resolve_at));
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("time to resolve & remove tracker for %1 @ %2\n", (*i)->name(), resolve_at));
+ note_cnt += (t->second->on());
+ _note_trackers.erase (t);
+ }
}
}
- RegionSortByLayer layer_cmp;
- sort(regs.begin(), regs.end(), layer_cmp);
+ if (note_cnt == 0 && !tracker_info.empty()) {
+ /* trackers to dispose of, but they have no notes in them */
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("Clearing %1 empty trackers\n", tracker_info.size()));
+ for (vector<TrackerInfo>::iterator t = tracker_info.begin(); t != tracker_info.end(); ++t) {
+ delete (*t).first;
+ }
+ tracker_info.clear ();
+ }
+
+ if (regs.size() == 1 && tracker_info.empty()) {
+
+ /* just a single region - read directly into dst */
- 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();
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("Single region (%1) read, no out-of-bound region tracking info\n", regs.front()->name()));
+
+ boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(regs.front());
+
+ 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", 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", tracker->on()));
+
+ 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");
+ }
+
+ _read_data_count += mr->read_data_count();
+ }
+
+ } 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<nframes_t> evlist;
+
+ for (vector<TrackerInfo>::iterator t = tracker_info.begin(); t != tracker_info.end(); ++t) {
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("Resolve %1 notes\n", (*t).first->on()));
+ (*t).first->resolve_notes (evlist, (*t).second);
+ delete (*t).first;
+ }
+
+#ifndef NDEBUG
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("After resolution we now have %1 events\n", evlist.size()));
+ for (Evoral::EventList<nframes_t>::iterator x = evlist.begin(); x != evlist.end(); ++x) {
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("\t%1\n", **x));
+ }
+#endif
+
+ 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 {
+ tracker = t->second;
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("\tBEFORE: tracker says there are %1 on notes\n", tracker->on()));
+ }
+
+
+ mr->read_at (evlist, start, dur, chan_n, _note_mode, tracker);
+ _read_data_count += mr->read_data_count();
+
+#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<nframes_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 (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");
+ }
+ }
+
+ if (!evlist.empty()) {
+
+ /* sort the event list */
+ EventsSortByTime<nframes_t> time_cmp;
+ evlist.sort (time_cmp);
+
+#ifndef NDEBUG
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("Final we now have %1 events\n", evlist.size()));
+ for (Evoral::EventList<nframes_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<nframes_t>::iterator e = evlist.begin(); e != evlist.end(); ++e) {
+ Evoral::Event<nframes_t>* ev (*e);
+ dst.write (ev->time(), ev->event_type(), ev->size(), ev->buffer());
+ delete ev;
+ }
+
+ }
}
- _read_data_count += ret;
-
- //return ret; FIXME?
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, "-------------------------------------------------------------\n");
return dur;
}
-
void
-MidiPlaylist::remove_dependents (boost::shared_ptr<Region> region)
+MidiPlaylist::clear_note_trackers ()
{
+ Glib::RecMutex::Lock rm (region_lock);
+ for (NoteTrackers::iterator n = _note_trackers.begin(); n != _note_trackers.end(); ++n) {
+ delete n->second;
+ }
+ _note_trackers.clear ();
}
-
void
-MidiPlaylist::flush_notifications ()
+MidiPlaylist::remove_dependents (boost::shared_ptr<Region> region)
{
- Playlist::flush_notifications();
-
- if (in_flush) {
- return;
- }
+ /* MIDI regions have no dependents (crossfades) but we might be tracking notes */
+ NoteTrackers::iterator t = _note_trackers.find (region.get());
- in_flush = true;
+ /* GACK! THREAD SAFETY! */
- in_flush = false;
+ if (t != _note_trackers.end()) {
+ delete t->second;
+ _note_trackers.erase (t);
+ }
}
+
void
-MidiPlaylist::refresh_dependents (boost::shared_ptr<Region> r)
+MidiPlaylist::refresh_dependents (boost::shared_ptr<Region> /*r*/)
{
+ /* MIDI regions have no dependents (crossfades) */
}
void
-MidiPlaylist::finalize_split_region (boost::shared_ptr<Region> original, boost::shared_ptr<Region> left, boost::shared_ptr<Region> right)
+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);
- } else {
- // Overlap, the crossfade is copied on the left side of the right region instead
- fade = new Crossfade( *(*x), right, (*x)->_out);
- }
- }
-
- 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;
- }*/
+ /* No MIDI crossfading (yet?), so nothing to do here */
}
void
-MidiPlaylist::check_dependents (boost::shared_ptr<Region> r, bool norefresh)
+MidiPlaylist::check_dependents (boost::shared_ptr<Region> /*r*/, bool /*norefresh*/)
{
+ /* MIDI regions have no dependents (crossfades) */
}
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) {
+ Playlist::set_state (node, version);
- XMLNode* const child = *niter;
-
- }*/
+ thaw();
+ in_set_state--;
return 0;
}
-XMLNode&
-MidiPlaylist::state (bool full_state)
-{
- XMLNode& node = Playlist::state (full_state);
-
- return node;
-}
-
void
MidiPlaylist::dump () const
{
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).
+ */
+
+ Glib::RecMutex::Lock rm (region_lock);
+
+ 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)
{
}
// Feeling rather uninterested today, but thanks for the heads up anyway!
-
+
Change our_interests = Change (/*MidiRegion::FadeInChanged|
MidiRegion::FadeOutChanged|
MidiRegion::FadeInActiveChanged|