X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fmidi_playlist.cc;h=9c1e338b6c320e9ce9981df9e9e6c9695d1c3677;hb=848db8fbd56dbae1ad286b7791dba293462b5f43;hp=ec90b2e913cf7926f67eee66b020accb5e83f966;hpb=be3002c239219e0829dc24ae7e1f93af557c4cf8;p=ardour.git

diff --git a/libs/ardour/midi_playlist.cc b/libs/ardour/midi_playlist.cc
index ec90b2e913..9c1e338b6c 100644
--- a/libs/ardour/midi_playlist.cc
+++ b/libs/ardour/midi_playlist.cc
@@ -21,20 +21,17 @@
 
 #include <algorithm>
 #include <iostream>
+#include <utility>
 
 #include <stdlib.h>
 
 #include "evoral/EventList.hpp"
 
 #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/session.h"
-#include "ardour/midi_ring_buffer.h"
-
-#include "pbd/error.h"
+#include "ardour/types.h"
 
 #include "i18n.h"
 
@@ -52,8 +49,12 @@ MidiPlaylist::MidiPlaylist (Session& session, const XMLNode& node, bool hidden)
 #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)
@@ -80,76 +81,74 @@ 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 (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) */
 framecnt_t
-MidiPlaylist::read (MidiRingBuffer<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)
 {
 	/* 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));
+	Playlist::RegionReadLock rl (this);
 
-	framepos_t end = start + dur - 1;
+	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> > ended;
 	typedef pair<MidiStateTracker*,framepos_t> TrackerInfo;
 	vector<TrackerInfo> tracker_info;
-	uint32_t note_cnt = 0;
+	NoteTrackers::iterator t;
 
 	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);
-			}
-		}
-	}
 
-	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;
+		/* 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;
 		}
-		tracker_info.clear ();
 	}
 
-	if (regs.size() == 1 && tracker_info.empty()) {
+	if (regs.size() == 1 && 
+	    (ended.empty() || (ended.size() == 1 && ended.front() == regs.front()))) {
 
 		/* 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()));
+		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());
 
@@ -171,15 +170,23 @@ MidiPlaylist::read (MidiRingBuffer<framepos_t>& dst, framepos_t start, framecnt_
 			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");
+			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");
+				}
 			}
-
-			_read_data_count += mr->read_data_count();
 		}
 
 	} else {
@@ -192,23 +199,12 @@ MidiPlaylist::read (MidiRingBuffer<framepos_t>& dst, framepos_t start, framecnt_
 
 		Evoral::EventList<framepos_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<framepos_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;
 			}
@@ -217,7 +213,6 @@ MidiPlaylist::read (MidiRingBuffer<framepos_t>& dst, framepos_t start, framecnt_
 			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()) {
@@ -231,7 +226,6 @@ MidiPlaylist::read (MidiRingBuffer<framepos_t>& dst, framepos_t start, framecnt_
 
 
 			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()));
@@ -240,21 +234,36 @@ MidiPlaylist::read (MidiRingBuffer<framepos_t>& dst, framepos_t start, framecnt_
 			}
 			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);
+				}
 
-			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");
+			} else {
+
+				if (new_tracker) {
+					_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<framepos_t> time_cmp;
-			evlist.sort (time_cmp);
+			EventsSortByTimeAndType<framepos_t> cmp;
+			evlist.sort (cmp);
 
 #ifndef NDEBUG
 			DEBUG_TRACE (DEBUG::MidiPlaylistIO, string_compose ("Final we now have %1 events\n",  evlist.size()));
@@ -279,10 +288,12 @@ MidiPlaylist::read (MidiRingBuffer<framepos_t>& dst, framepos_t start, framecnt_
 void
 MidiPlaylist::clear_note_trackers ()
 {
-	Glib::RecMutex::Lock rm (region_lock);
+	Playlist::RegionWriteLock rl (this, false);
+
 	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 ();
 }
 
@@ -300,33 +311,15 @@ MidiPlaylist::remove_dependents (boost::shared_ptr<Region> region)
 	}
 }
 
-
-void
-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*/)
-{
-	/* No MIDI crossfading (yet?), so nothing to do here */
-}
-
-void
-MidiPlaylist::check_dependents (boost::shared_ptr<Region> /*r*/, bool /*norefresh*/)
-{
-	/* MIDI regions have no dependents (crossfades) */
-}
-
-
 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--;
@@ -367,7 +360,7 @@ MidiPlaylist::destroy_region (boost::shared_ptr<Region> region)
 	bool changed = false;
 
 	{
-		RegionLock rlock (this);
+		RegionWriteLock rlock (this);
 		RegionList::iterator i;
 		RegionList::iterator tmp;
 
@@ -401,8 +394,7 @@ MidiPlaylist::contained_automation()
 	   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) {