/*
Copyright (C) 2006 Paul Davis
- Written by Dave Robillard, 2006
+ 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
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include <cassert>
-
#include <algorithm>
+#include <cassert>
+#include <cstdlib>
#include <iostream>
-
-#include <stdlib.h>
+#include <utility>
#include "evoral/EventList.hpp"
+#include "evoral/Control.hpp"
+#include "ardour/beats_frames_converter.h"
#include "ardour/debug.h"
-#include "ardour/types.h"
-#include "ardour/configuration.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/midi_ring_buffer.h"
-
-#include "pbd/error.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
in_set_state++;
- set_state (node, Stateful::loading_state_version);
+ 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)
, _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, nframes_t start, nframes_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 ()
}
template<typename Time>
-struct EventsSortByTime {
+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<nframes_t>& 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::RecMutex::Lock rm (region_lock);
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("++++++ %1 .. %2 +++++++++++++++++++++++++++++++++++++++++++++++\n", start, start + dur));
-
- nframes_t end = start + dur - 1;
+ typedef pair<MidiStateTracker*,framepos_t> TrackerInfo;
- _read_data_count = 0;
+ Playlist::RegionReadLock rl (this);
- // relevent regions overlapping start <--> end
- vector< boost::shared_ptr<Region> > regs;
- typedef pair<MidiStateTracker*,framepos_t> TrackerInfo;
- vector<TrackerInfo> tracker_info;
- uint32_t note_cnt = 0;
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO,
+ string_compose ("---- MidiPlaylist::read %1 .. %2 (%3 trackers) ----\n",
+ start, start + dur, _note_trackers.size()));
- 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.
- */
-
- framepos_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);
- }
- }
+ /* 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);
}
- 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;
+ /* 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) {
+ 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;
}
- tracker_info.clear ();
}
- if (regs.size() == 1 && tracker_info.empty()) {
-
- /* just a single region - read directly into dst */
-
- 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 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()));
- if (mr) {
+ Evoral::EventList<framepos_t> evlist;
+ Evoral::EventSink<framepos_t>& tgt = direct_read ? dst : evlist;
- NoteTrackers::iterator t = _note_trackers.find (mr.get());
- MidiStateTracker* tracker;
- bool new_tracker = false;
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO,
+ string_compose ("\t%1 regions to read, direct: %2\n", regs.size(), direct_read));
- 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 (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;
+ 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;
}
-#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));
+ /* 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()));
}
-#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()));
+ /* 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);
}
-
- 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
+ } else {
if (new_tracker) {
- pair<Region*,MidiStateTracker*> newpair;
- newpair.first = mr.get();
- newpair.second = tracker;
- _note_trackers.insert (newpair);
+ _note_trackers.insert (make_pair (mr.get(), tracker));
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;
- }
+ 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;
}
}
- DEBUG_TRACE (DEBUG::MidiPlaylistIO, "-------------------------------------------------------------\n");
+ DEBUG_TRACE (DEBUG::MidiPlaylistIO, "---- End MidiPlaylist::read ----\n");
+ _read_end = start + dur;
return dur;
}
void
-MidiPlaylist::clear_note_trackers ()
+MidiPlaylist::region_edited(boost::shared_ptr<Region> region,
+ const MidiModel::NoteDiffCommand* cmd)
{
- Glib::RecMutex::Lock rm (region_lock);
- for (NoteTrackers::iterator n = _note_trackers.begin(); n != _note_trackers.end(); ++n) {
- delete n->second;
- }
- _note_trackers.clear ();
-}
+ typedef MidiModel::NoteDiffCommand Command;
-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());
+ boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
+ if (!mr || !_session.transport_rolling()) {
+ return;
+ }
- /* GACK! THREAD SAFETY! */
+ /* Take write lock to prevent concurrency with read(). */
+ Playlist::RegionWriteLock lock(this);
- if (t != _note_trackers.end()) {
- delete t->second;
- _note_trackers.erase (t);
+ NoteTrackers::iterator t = _note_trackers.find(mr.get());
+ if (t == _note_trackers.end()) {
+ return; /* Region is not currently active, nothing to do. */
}
-}
+ /* 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 ()
{
- /* MIDI regions have no dependents (crossfades) */
+ 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)
{
- /* No MIDI crossfading (yet?), so nothing to do here */
+ Playlist::RegionWriteLock rl (this, false);
+
+ 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) */
+ /* MIDI regions have no dependents (crossfades) but we might be tracking notes */
+ _note_trackers.erase(region.get());
}
-
int
MidiPlaylist::set_state (const XMLNode& node, int version)
{
in_set_state++;
freeze ();
- Playlist::set_state (node, version);
+ if (Playlist::set_state (node, version)) {
+ return -1;
+ }
thaw();
in_set_state--;
bool changed = false;
{
- RegionLock rlock (this);
+ RegionWriteLock rlock (this);
RegionList::iterator i;
RegionList::iterator tmp;
its OK to block (for short intervals).
*/
- Glib::RecMutex::Lock rm (region_lock);
-
+ Playlist::RegionReadLock rl (this);
set<Evoral::Parameter> ret;
for (RegionList::const_iterator r = regions.begin(); r != regions.end(); ++r) {
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