/*
- Copyright (C) 2000-2003 Paul Davis
+ Copyright (C) 2000-2003 Paul Davis
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
#include <sigc++/bind.h>
-#include <pbd/failed_constructor.h>
-#include <pbd/stl_delete.h>
-#include <pbd/xml++.h>
-#include <pbd/stacktrace.h>
+#include "pbd/failed_constructor.h"
+#include "pbd/stl_delete.h"
+#include "pbd/xml++.h"
+#include "pbd/stacktrace.h"
-#include <ardour/playlist.h>
-#include <ardour/session.h>
-#include <ardour/region.h>
-#include <ardour/region_factory.h>
-#include <ardour/playlist_factory.h>
-#include <ardour/transient_detector.h>
+#include "ardour/playlist.h"
+#include "ardour/session.h"
+#include "ardour/region.h"
+#include "ardour/region_factory.h"
+#include "ardour/playlist_factory.h"
+#include "ardour/transient_detector.h"
#include "i18n.h"
struct ShowMeTheList {
ShowMeTheList (boost::shared_ptr<Playlist> pl, const string& n) : playlist (pl), name (n) {}
- ~ShowMeTheList () {
- cerr << ">>>>" << name << endl; playlist->dump(); cerr << "<<<<" << name << endl << endl;
+ ~ShowMeTheList () {
+ cerr << ">>>>" << name << endl; playlist->dump(); cerr << "<<<<" << name << endl << endl;
};
boost::shared_ptr<Playlist> playlist;
string name;
}
};
+struct RegionSortByLayerWithPending {
+ bool operator () (boost::shared_ptr<Region> a, boost::shared_ptr<Region> b) {
+
+ double p = a->layer ();
+ if (a->pending_explicit_relayer()) {
+ p += 0.5;
+ }
+
+ double q = b->layer ();
+ if (b->pending_explicit_relayer()) {
+ q += 0.5;
+ }
+
+ return p < q;
+ }
+};
+
struct RegionSortByPosition {
bool operator() (boost::shared_ptr<Region> a, boost::shared_ptr<Region> b) {
return a->position() < b->position();
init (hide);
first_set_state = false;
_name = nom;
-
+
}
Playlist::Playlist (Session& sess, const XMLNode& node, DataType type, bool hide)
RegionList tmp;
other->copy_regions (tmp);
-
+
in_set_state++;
for (list<boost::shared_ptr<Region> >::iterator x = tmp.begin(); x != tmp.end(); ++x) {
subcnt = 0;
_read_data_count = 0;
_frozen = other->_frozen;
-
+
layer_op_counter = other->layer_op_counter;
freeze_length = other->freeze_length;
}
add_region_internal (new_region, position);
}
-
+
in_set_state--;
first_set_state = false;
Playlist::release ()
{
if (_refcnt > 0) {
- _refcnt--;
+ _refcnt--;
}
if (_refcnt == 0) {
_frozen = false;
layer_op_counter = 0;
freeze_length = 0;
+ _explicit_relayering = false;
Modified.connect (mem_fun (*this, &Playlist::mark_session_dirty));
}
-Playlist::Playlist (const Playlist& pl)
- : SessionObject(pl._session, pl._name)
- , _type(pl.data_type())
-{
- fatal << _("playlist const copy constructor called") << endmsg;
-}
-
-Playlist::Playlist (Playlist& pl)
- : SessionObject(pl._session, pl._name)
- , _type(pl.data_type())
-{
- fatal << _("playlist non-const copy constructor called") << endmsg;
-}
-
Playlist::~Playlist ()
{
{
/***********************************************************************
CHANGE NOTIFICATION HANDLING
-
+
Notifications must be delayed till the region_lock is released. This
is necessary because handlers for the signals may need to acquire
the lock (e.g. to read from the playlist).
void
Playlist::release_notifications ()
{
- if (g_atomic_int_dec_and_test (&block_notifications)) {
+ if (g_atomic_int_dec_and_test (&block_notifications)) {
flush_notifications ();
- }
+ }
}
void
pending_length = false;
LengthChanged (); /* EMIT SIGNAL */
pending_modified = false;
+ RegionRemoved (boost::weak_ptr<Region> (r)); /* EMIT SIGNAL */
Modified (); /* EMIT SIGNAL */
}
}
Playlist::notify_region_moved (boost::shared_ptr<Region> r)
{
Evoral::RangeMove<nframes_t> const move (r->last_position (), r->length (), r->position ());
-
+
if (holding_state ()) {
pending_range_moves.push_back (move);
-
+
} else {
list< Evoral::RangeMove<nframes_t> > m;
m.push_back (move);
RangesMoved (m);
-
}
}
pending_length = false;
LengthChanged (); /* EMIT SIGNAL */
pending_modified = false;
+ RegionAdded (boost::weak_ptr<Region> (r)); /* EMIT SIGNAL */
Modified (); /* EMIT SIGNAL */
}
}
/* we have no idea what order the regions ended up in pending
bounds (it could be based on selection order, for example).
- so, to preserve layering in the "most recently moved is higher"
+ so, to preserve layering in the "most recently moved is higher"
model, sort them by existing layer, then timestamp them.
*/
// pending_bounds.sort (cmp);
for (RegionList::iterator r = pending_bounds.begin(); r != pending_bounds.end(); ++r) {
- if (Config->get_layer_model() == MoveAddHigher) {
+ if (_session.config.get_layer_model() == MoveAddHigher) {
timestamp_layer_op (*r);
}
+
pending_length = true;
dependent_checks_needed.insert (*r);
- n++;
- }
- for (s = pending_adds.begin(); s != pending_adds.end(); ++s) {
- dependent_checks_needed.insert (*s);
n++;
}
for (s = pending_removes.begin(); s != pending_removes.end(); ++s) {
remove_dependents (*s);
+ RegionRemoved (boost::weak_ptr<Region> (*s)); /* EMIT SIGNAL */
+ n++;
+ }
+
+ for (s = pending_adds.begin(); s != pending_adds.end(); ++s) {
+ RegionAdded (boost::weak_ptr<Region> (*s)); /* EMIT SIGNAL */
+ dependent_checks_needed.insert (*s);
n++;
}
}
pending_modified = false;
Modified (); /* EMIT SIGNAL */
-
}
for (s = dependent_checks_needed.begin(); s != dependent_checks_needed.end(); ++s) {
*************************************************************/
void
-Playlist::add_region (boost::shared_ptr<Region> region, nframes_t position, float times)
+Playlist::add_region (boost::shared_ptr<Region> region, nframes_t position, float times, bool auto_partition)
{
RegionLock rlock (this);
times = fabs (times);
-
+
int itimes = (int) floor (times);
nframes_t pos = position;
-
+
+ if (times == 1 && auto_partition){
+ partition(pos, (nframes_t) (pos + region->length()), true);
+ }
+
if (itimes >= 1) {
add_region_internal (region, pos);
pos += region->length();
--itimes;
}
-
-
+
+
/* note that itimes can be zero if we being asked to just
insert a single fraction of the region.
*/
add_region_internal (copy, pos);
pos += region->length();
}
-
+
nframes_t length = 0;
if (floor (times) != times) {
add_region_internal (sub, pos);
}
-
possibly_splice_unlocked (position, (pos + length) - position, boost::shared_ptr<Region>());
}
bool
Playlist::add_region_internal (boost::shared_ptr<Region> region, nframes_t position)
{
- if (region->data_type() != _type)
+ if (region->data_type() != _type){
return false;
+ }
RegionSortByPosition cmp;
+
nframes_t old_length = 0;
if (!holding_state()) {
if (!first_set_state) {
boost::shared_ptr<Playlist> foo (shared_from_this());
region->set_playlist (boost::weak_ptr<Playlist>(foo));
- }
+ }
region->set_position (position, this);
/* we need to notify the existence of new region before checking dependents. Ick. */
notify_region_added (region);
-
+
if (!holding_state ()) {
+
check_dependents (region, false);
+
if (old_length != _get_maximum_extent()) {
notify_length_changed ();
}
}
region_state_changed_connections.push_back (
- region->StateChanged.connect (sigc::bind (mem_fun (this, &Playlist::region_changed_proxy),
+ region->StateChanged.connect (sigc::bind (mem_fun (this, &Playlist::region_changed_proxy),
boost::weak_ptr<Region> (region)))
);
if (!holding_state ()) {
relayer ();
remove_dependents (region);
-
+
if (old_length != _get_maximum_extent()) {
notify_length_changed ();
}
}
void
-Playlist::partition (nframes_t start, nframes_t end, bool just_top_level)
+Playlist::partition (nframes_t start, nframes_t end, bool cut)
{
RegionList thawlist;
- partition_internal (start, end, false, thawlist);
+ partition_internal (start, end, cut, thawlist);
for (RegionList::iterator i = thawlist.begin(); i != thawlist.end(); ++i) {
(*i)->thaw ("separation");
{
RegionLock rlock (this);
+
boost::shared_ptr<Region> region;
boost::shared_ptr<Region> current;
string new_name;
RegionList::iterator tmp;
OverlapType overlap;
nframes_t pos1, pos2, pos3, pos4;
-
+
in_partition = true;
-
+
/* need to work from a copy, because otherwise the regions we add during the process
get operated on as well.
*/
-
+
RegionList copy = regions;
-
+
for (RegionList::iterator i = copy.begin(); i != copy.end(); i = tmp) {
-
+
tmp = i;
++tmp;
-
+
current = *i;
if (current->first_frame() >= start && current->last_frame() < end) {
+
if (cutting) {
remove_region_internal (current);
}
+
continue;
}
-
+
/* coverage will return OverlapStart if the start coincides
with the end point. we do not partition such a region,
so catch this special case.
pos2 = start;
pos3 = end;
pos4 = current->last_frame();
-
+
if (overlap == OverlapInternal) {
-
/* split: we need 3 new regions, the front, middle and end.
cut: we need 2 regions, the front and end.
*/
-
+
/*
start end
---------------*************************------------
---------------*****++++++++++++++++====------------
CUT
---------------*****----------------====------------
-
+
*/
if (!cutting) {
-
/* "middle" ++++++ */
-
+
_session.region_name (new_name, current->name(), false);
region = RegionFactory::create (current, pos2 - pos1, pos3 - pos2, new_name,
regions.size(), Region::Flag(current->flags()|Region::Automatic|Region::LeftOfSplit|Region::RightOfSplit));
add_region_internal (region, start);
new_regions.push_back (region);
}
-
+
/* "end" ====== */
-
+
_session.region_name (new_name, current->name(), false);
- region = RegionFactory::create (current, pos3 - pos1, pos4 - pos3, new_name,
+ region = RegionFactory::create (current, pos3 - pos1, pos4 - pos3, new_name,
regions.size(), Region::Flag(current->flags()|Region::Automatic|Region::RightOfSplit));
-
+
add_region_internal (region, end);
new_regions.push_back (region);
-
+
/* "front" ***** */
-
+
current->freeze ();
thawlist.push_back (current);
current->trim_end (pos2, this);
-
+
} else if (overlap == OverlapEnd) {
-
+
/*
start end
---------------*************************------------
P1 P2 P4 P3
- SPLIT:
+ SPLIT:
---------------**************+++++++++++------------
- CUT:
+ CUT:
---------------**************-----------------------
*/
-
+
if (!cutting) {
-
+
/* end +++++ */
-
+
_session.region_name (new_name, current->name(), false);
region = RegionFactory::create (current, pos2 - pos1, pos4 - pos2, new_name, (layer_t) regions.size(),
Region::Flag(current->flags()|Region::Automatic|Region::LeftOfSplit));
+
add_region_internal (region, start);
new_regions.push_back (region);
}
-
+
/* front ****** */
-
+
current->freeze ();
thawlist.push_back (current);
current->trim_end (pos2, this);
-
+
} else if (overlap == OverlapStart) {
-
+
/* split: we need 2 regions: the front and the end.
cut: just trim current to skip the cut area
*/
-
+
/*
start end
---------------*************************------------
- P2 P1 P3 P4
+ P2 P1 P3 P4
SPLIT:
---------------****+++++++++++++++++++++------------
CUT:
-------------------*********************------------
-
+
*/
if (!cutting) {
-
/* front **** */
_session.region_name (new_name, current->name(), false);
region = RegionFactory::create (current, 0, pos3 - pos1, new_name,
regions.size(), Region::Flag(current->flags()|Region::Automatic|Region::RightOfSplit));
+
add_region_internal (region, pos1);
new_regions.push_back (region);
- }
-
+ }
+
/* end */
-
+
current->freeze ();
thawlist.push_back (current);
current->trim_front (pos3, this);
-
} else if (overlap == OverlapExternal) {
-
+
/* split: no split required.
cut: remove the region.
*/
-
+
/*
start end
---------------*************************------------
- P2 P1 P3 P4
+ P2 P1 P3 P4
SPLIT:
---------------*************************------------
CUT:
----------------------------------------------------
-
+
*/
-
+
if (cutting) {
remove_region_internal (current);
}
+
new_regions.push_back (current);
}
}
-
+
in_partition = false;
}
for (list<AudioRange>::iterator i = ranges.begin(); i != ranges.end(); ++i) {
pl = (this->*pmf)((*i).start, (*i).length(), result_is_hidden);
-
+
if (i == ranges.begin()) {
ret = pl;
} else {
-
+
/* paste the next section into the nascent playlist,
offset to reflect the start of the first range we
chopped.
Playlist::copy (nframes_t start, nframes_t cnt, bool result_is_hidden)
{
char buf[32];
-
+
snprintf (buf, sizeof (buf), "%" PRIu32, ++subcnt);
string new_name = _name;
new_name += '.';
RegionLock rl2 (other.get());
old_length = _get_maximum_extent();
-
+
int itimes = (int) floor (times);
nframes_t pos = position;
nframes_t shift = other->_get_maximum_extent();
/* put these new regions on top of all existing ones, but preserve
the ordering they had in the original playlist.
*/
-
+
copy_of_region->set_layer (copy_of_region->layer() + top_layer);
add_region_internal (copy_of_region, copy_of_region->position() + pos);
}
notify_length_changed ();
}
-
+
}
return 0;
/* too early */
continue;
}
-
+
if (at > (*r)->first_frame() && at < (*r)->last_frame()) {
/* intersected region */
if (!move_intersected) {
continue;
}
}
-
+
/* do not move regions glued to music time - that
has to be done separately.
*/
string after_name;
/* split doesn't change anything about length, so don't try to splice */
-
+
bool old_sp = _splicing;
_splicing = true;
before = playlist_position - region->position();
after = region->length() - before;
-
+
_session.region_name (before_name, region->name(), false);
left = RegionFactory::create (region, 0, before, before_name, region->layer(), Region::Flag (region->flags()|Region::LeftOfSplit));
(*i)->set_last_layer_op( (*i)->last_layer_op() + 1 );
}
}
-
+
left->set_last_layer_op ( orig_layer_op );
right->set_last_layer_op ( orig_layer_op + 1);
layer_op_counter++;
finalize_split_region (region, left, right);
-
+
remove_region_internal (region);
_splicing = old_sp;
new_pos = 0;
} else if (new_pos >= max_frames - (*i)->length()) {
new_pos = max_frames - (*i)->length();
- }
-
+ }
+
(*i)->set_position (new_pos, this);
}
}
/* remove it from the list then add it back in
the right place again.
*/
-
+
RegionSortByPosition cmp;
RegionList::iterator i = find (regions.begin(), regions.end(), region);
-
+
if (i == regions.end()) {
warning << string_compose (_("%1: bounds changed received for region (%2)not in playlist"),
_name, region->name())
}
if (what_changed & Change (ARDOUR::PositionChanged|ARDOUR::LengthChanged)) {
-
+
nframes64_t delta = 0;
-
+
if (what_changed & ARDOUR::PositionChanged) {
delta = (nframes64_t) region->position() - (nframes64_t) region->last_position();
- }
-
+ }
+
if (what_changed & ARDOUR::LengthChanged) {
delta += (nframes64_t) region->length() - (nframes64_t) region->last_length();
- }
+ }
if (delta) {
possibly_splice (region->last_position() + region->last_length(), delta, region);
if (holding_state ()) {
pending_bounds.push_back (region);
} else {
- if (Config->get_layer_model() == MoveAddHigher) {
+ if (_session.config.get_layer_model() == MoveAddHigher) {
/* it moved or changed length, so change the timestamp */
timestamp_layer_op (region);
}
-
+
notify_length_changed ();
relayer ();
check_dependents (region, false);
region_bounds_changed (what_changed, region);
save = !(_splicing || _nudging);
}
-
- if ((what_changed & our_interests) &&
+
+ if ((what_changed & our_interests) &&
!(what_changed & Change (ARDOUR::PositionChanged|ARDOUR::LengthChanged))) {
check_dependents (region, false);
}
if (what_changed & Change (ARDOUR::PositionChanged)) {
notify_region_moved (region);
}
-
+
if (what_changed & our_interests) {
save = true;
}
std::list<sigc::connection>::iterator i = region_state_changed_connections.begin ();
i != region_state_changed_connections.end ();
++i
- ) {
-
+ ) {
i->disconnect ();
-
}
-
+
for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
pending_removes.insert (*i);
}
+
regions.clear ();
}
{
RegionLock rlock (this);
return find_regions_at (frame);
-}
+}
boost::shared_ptr<Region>
Playlist::top_region_at (nframes_t frame)
RegionLock rlock (this);
RegionList *rlist = find_regions_at (frame);
boost::shared_ptr<Region> region;
-
+
if (rlist->size()) {
RegionSortByLayer cmp;
rlist->sort (cmp);
region = rlist->back();
- }
+ }
delete rlist;
return region;
-}
+}
+
+boost::shared_ptr<Region>
+Playlist::top_unmuted_region_at (nframes_t frame)
+
+{
+ RegionLock rlock (this);
+ RegionList *rlist = find_regions_at (frame);
+
+ for (RegionList::iterator i = rlist->begin(); i != rlist->end(); ) {
+
+ RegionList::iterator tmp = i;
+ ++tmp;
+
+ if ((*i)->muted()) {
+ rlist->erase (i);
+ }
+
+ i = tmp;
+ }
+
+ boost::shared_ptr<Region> region;
+
+ if (rlist->size()) {
+ RegionSortByLayer cmp;
+ rlist->sort (cmp);
+ region = rlist->back();
+ }
+
+ delete rlist;
+ return region;
+}
Playlist::RegionList*
Playlist::regions_to_read (nframes_t start, nframes_t end)
if (covering.size() == 1) {
rlist->push_back (covering.front());
-
+
} else {
-
+
for (set<nframes_t>::iterator t = to_check.begin(); t != to_check.end(); ++t) {
-
+
here.clear ();
-
+
for (RegionList::iterator x = covering.begin(); x != covering.end(); ++x) {
-
+
if ((*x)->covers (*t)) {
here.push_back (*x);
}
}
-
+
RegionSortByLayer cmp;
here.sort (cmp);
-
+
/* ... and get the top/transparent regions at "here" */
-
+
for (RegionList::reverse_iterator c = here.rbegin(); c != here.rend(); ++c) {
-
+
unique.insert (*c);
-
+
if ((*c)->opaque()) {
-
+
/* the other regions at this position are hidden by this one */
-
+
break;
}
}
}
-
+
for (set<boost::shared_ptr<Region> >::iterator s = unique.begin(); s != unique.end(); ++s) {
rlist->push_back (*s);
}
if (rlist->size() > 1) {
/* now sort by time order */
-
+
RegionSortByPosition cmp;
rlist->sort (cmp);
}
(*i)->get_transients (these_points);
/* add first frame, just, err, because */
-
+
these_points.push_back ((*i)->first_frame());
-
+
points.insert (points.end(), these_points.begin(), these_points.end());
these_points.clear ();
}
-
+
if (points.empty()) {
return -1;
}
TransientDetector::cleanup_transients (points, _session.frame_rate(), 3.0);
bool reached = false;
-
+
if (dir > 0) {
for (AnalysisFeatureList::iterator x = points.begin(); x != points.end(); ++x) {
if ((*x) >= from) {
reached = true;
}
-
+
if (reached && (*x) > from) {
return *x;
}
if ((*x) <= from) {
reached = true;
}
-
+
if (reached && (*x) < from) {
return *x;
}
boost::shared_ptr<Region> ret;
nframes_t closest = max_frames;
+ bool end_iter = false;
for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
+ if(end_iter) break;
+
nframes_t distance;
boost::shared_ptr<Region> r = (*i);
nframes_t pos = 0;
pos = r->last_frame ();
break;
case SyncPoint:
- pos = r->adjust_to_sync (r->first_frame());
+ pos = r->sync_position ();
+ // r->adjust_to_sync (r->first_frame());
break;
}
switch (dir) {
case 1: /* forwards */
- if (pos >= frame) {
+ if (pos > frame) {
if ((distance = pos - frame) < closest) {
closest = distance;
ret = r;
+ end_iter = true;
}
}
default: /* backwards */
- if (pos <= frame) {
+ if (pos < frame) {
if ((distance = frame - pos) < closest) {
closest = distance;
ret = r;
}
}
+ else {
+ end_iter = true;
+ }
+
break;
}
}
boost::shared_ptr<Region> r = (*i);
nframes64_t distance;
-
+
if (r->first_frame() > frame) {
distance = r->first_frame() - frame;
-
+
if (distance < closest) {
ret = r->first_frame();
closest = distance;
}
if (r->last_frame () > frame) {
-
+
distance = r->last_frame () - frame;
-
+
if (distance < closest) {
ret = r->last_frame ();
closest = distance;
} else {
for (RegionList::reverse_iterator i = regions.rbegin(); i != regions.rend(); ++i) {
-
+
boost::shared_ptr<Region> r = (*i);
nframes64_t distance;
if (r->last_frame() < frame) {
distance = frame - r->last_frame();
-
+
if (distance < closest) {
ret = r->last_frame();
closest = distance;
}
if (r->first_frame() < frame) {
-
+
distance = frame - r->first_frame();
if (distance < closest) {
+
void
Playlist::mark_session_dirty ()
{
}
int
-Playlist::set_state (const XMLNode& node)
+Playlist::set_state (const XMLNode& node, int version)
{
XMLNode *child;
XMLNodeList nlist;
for (piter = plist.begin(); piter != plist.end(); ++piter) {
prop = *piter;
-
+
if (prop->name() == X_("name")) {
_name = prop->value();
} else if (prop->name() == X_("orig_diskstream_id")) {
_orig_diskstream_id = prop->value ();
} else if (prop->name() == X_("frozen")) {
- _frozen = (prop->value() == X_("yes"));
+ _frozen = string_is_affirmative (prop->value());
}
}
clear (false);
-
+
nlist = node.children();
for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
child = *niter;
-
+
if (child->name() == "Region") {
if ((prop = child->property ("id")) == 0) {
error << _("region state node has no ID, ignored") << endmsg;
continue;
}
-
+
ID id = prop->value ();
-
+
if ((region = region_by_id (id))) {
Change what_changed = Change (0);
- if (region->set_live_state (*child, what_changed, true)) {
+ if (region->set_live_state (*child, version, what_changed, true)) {
error << _("Playlist: cannot reset region state from XML") << endmsg;
continue;
}
// So that layer_op ordering doesn't get screwed up
region->set_last_layer_op( region->layer());
- }
+ }
}
-
+
notify_modified ();
thaw ();
- /* update dependents, which was not done during add_region_internal
- due to in_set_state being true
+ /* update dependents, which was not done during add_region_internal
+ due to in_set_state being true
*/
for (RegionList::iterator r = regions.begin(); r != regions.end(); ++r) {
XMLNode&
Playlist::get_state()
{
- return state(true);
+ return state (true);
}
XMLNode&
Playlist::get_template()
{
- return state(false);
+ return state (false);
}
+/** @param full_state true to include regions in the returned state, otherwise false.
+ */
XMLNode&
Playlist::state (bool full_state)
{
XMLNode *node = new XMLNode (X_("Playlist"));
char buf[64];
-
+
node->add_property (X_("name"), _name);
node->add_property (X_("type"), _type.to_string());
return max_extent;
}
-string
+string
Playlist::bump_name (string name, Session &session)
{
string newname = name;
layer_t
Playlist::top_layer() const
{
- RegionLock rlock (const_cast<Playlist *> (this));
+ RegionLock rlock (const_cast<Playlist *> (this));
layer_t top = 0;
for (RegionList::const_iterator i = regions.begin(); i != regions.end(); ++i) {
/* don't send multiple Modified notifications
when multiple regions are relayered.
*/
-
+
freeze ();
- /* build up a new list of regions on each layer */
+ /* Build up a new list of regions on each layer, stored in a set of lists
+ each of which represent some period of time on some layer. The idea
+ is to avoid having to search the entire region list to establish whether
+ each region overlaps another */
+
+ /* how many pieces to divide this playlist's time up into */
+ int const divisions = 512;
+
+ /* find the start and end positions of the regions on this playlist */
+ nframes_t start = UINT_MAX;
+ nframes_t end = 0;
+ for (RegionList::const_iterator i = regions.begin(); i != regions.end(); ++i) {
+ start = min (start, (*i)->position());
+ end = max (end, (*i)->position() + (*i)->length());
+ }
+
+ /* hence the size of each time division */
+ double const division_size = (end - start) / double (divisions);
- std::vector<RegionList> layers;
+ vector<vector<RegionList> > layers;
+ layers.push_back (vector<RegionList> (divisions));
/* we want to go through regions from desired lowest to desired highest layer,
which depends on the layer model
RegionList copy = regions;
- /* sort according to the model */
+ /* sort according to the model and the layering mode that we're in */
+
+ if (_explicit_relayering) {
+
+ copy.sort (RegionSortByLayerWithPending ());
+
+ } else if (_session.config.get_layer_model() == MoveAddHigher || _session.config.get_layer_model() == AddHigher) {
+
+ copy.sort (RegionSortByLastLayerOp ());
- if (Config->get_layer_model() == MoveAddHigher || Config->get_layer_model() == AddHigher) {
- RegionSortByLastLayerOp cmp;
- copy.sort (cmp);
}
-
+
for (RegionList::iterator i = copy.begin(); i != copy.end(); ++i) {
+ /* reset the pending explicit relayer flag for every region, now that we're relayering */
+ (*i)->set_pending_explicit_relayer (false);
+
+ /* find the time divisions that this region covers */
+ int const start_division = floor ( ((*i)->position() - start) / division_size);
+ int end_division = floor ( ((*i)->position() + (*i)->length() - start) / division_size );
+ if (end_division == divisions) {
+ end_division--;
+ }
+
+ assert (end_division < divisions);
+
/* find the lowest layer that this region can go on */
size_t j = layers.size();
while (j > 0) {
/* try layer j - 1; it can go on if it overlaps no other region
that is already on that layer
*/
- RegionList::iterator k = layers[j - 1].begin();
- while (k != layers[j - 1].end()) {
- if ((*k)->overlap_equivalent (*i)) {
+
+ bool overlap = false;
+ for (int k = start_division; k <= end_division; ++k) {
+ RegionList::iterator l = layers[j-1][k].begin ();
+ while (l != layers[j-1][k].end()) {
+ if ((*l)->overlap_equivalent (*i)) {
+ overlap = true;
+ break;
+ }
+ l++;
+ }
+
+ if (overlap) {
break;
}
- k++;
}
- if (k != layers[j - 1].end()) {
- /* no overlap, so we can use this layer */
+ if (overlap) {
+ /* overlap, so we must use layer j */
break;
}
-
- j--;
+
+ --j;
}
if (j == layers.size()) {
/* we need a new layer for this region */
- layers.push_back (RegionList ());
+ layers.push_back (vector<RegionList> (divisions));
}
- layers[j].push_back (*i);
- }
-
- /* first pass: set up the layer numbers in the regions */
- for (size_t j = 0; j < layers.size(); ++j) {
- for (RegionList::iterator i = layers[j].begin(); i != layers[j].end(); ++i) {
- (*i)->set_layer (j);
+ /* put a reference to this region in each of the divisions that it exists in */
+ for (int k = start_division; k <= end_division; ++k) {
+ layers[j][k].push_back (*i);
}
+
+ (*i)->set_layer (j);
}
/* sending Modified means that various kinds of layering
Playlist::raise_region_to_top (boost::shared_ptr<Region> region)
{
/* does nothing useful if layering mode is later=higher */
- if ((Config->get_layer_model() == MoveAddHigher) ||
- (Config->get_layer_model() == AddHigher)) {
+ if ((_session.config.get_layer_model() == MoveAddHigher) ||
+ (_session.config.get_layer_model() == AddHigher)) {
timestamp_layer_op (region);
relayer ();
}
Playlist::lower_region_to_bottom (boost::shared_ptr<Region> region)
{
/* does nothing useful if layering mode is later=higher */
- if ((Config->get_layer_model() == MoveAddHigher) ||
- (Config->get_layer_model() == AddHigher)) {
+ if ((_session.config.get_layer_model() == MoveAddHigher) ||
+ (_session.config.get_layer_model() == AddHigher)) {
region->set_last_layer_op (0);
relayer ();
}
{
RegionLock rlock (const_cast<Playlist *> (this));
-
+
for (i = regions.begin(); i != regions.end(); ++i) {
-
+
if (region == *i) {
continue;
}
/* region is moving up, move all regions on intermediate layers
down 1
*/
-
+
if ((*i)->layer() > region->layer() && (*i)->layer() <= target_layer) {
dest = (*i)->layer() - 1;
} else {
}
LayerInfo newpair;
-
+
newpair.first = *i;
newpair.second = dest;
-
+
layerinfo.push_back (newpair);
- }
+ }
}
/* now reset the layers without holding the region lock */
for (list<LayerInfo>::iterator x = layerinfo.begin(); x != layerinfo.end(); ++x) {
check_dependents (x->first, false);
}
-
+
check_dependents (region, false);
#endif
-
+
return 0;
}
{
RegionLock rlock (const_cast<Playlist *> (this));
-
+
for (i = regions.begin(); i != regions.end(); ++i) {
if ((*i)->position() >= start) {
} else {
new_pos = (*i)->position() + distance;
}
-
+
} else {
-
+
if ((*i)->position() > distance) {
new_pos = (*i)->position() - distance;
} else {
}
return boost::shared_ptr<Region> ();
}
-
+
void
Playlist::dump () const
{
for (RegionList::const_iterator i = regions.begin(); i != regions.end(); ++i) {
r = *i;
- cerr << " " << r->name() << " ["
- << r->start() << "+" << r->length()
- << "] at "
+ cerr << " " << r->name() << " ["
+ << r->start() << "+" << r->length()
+ << "] at "
<< r->position()
<< " on layer "
<< r->layer ()
{
RegionLock rlock (const_cast<Playlist*> (this));
-
-
+
+
if (dir > 0) {
-
+
RegionList::iterator next;
- for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
+ for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
if ((*i) == region) {
next = i;
++next;
}
}
} else {
-
+
RegionList::iterator prev = regions.end();
-
- for (RegionList::iterator i = regions.begin(); i != regions.end(); prev = i, ++i) {
+
+ for (RegionList::iterator i = regions.begin(); i != regions.end(); prev = i, ++i) {
if ((*i) == region) {
if (prev != regions.end()) {
region->set_position ((*prev)->position(), this);
(*prev)->set_position (new_pos, this);
-
+
/* avoid a full sort */
regions.erase (i); // remove region
relayer ();
check_dependents (region, false);
-
+
notify_modified();
}
}
bool
-Playlist::region_is_shuffle_constrained (boost::shared_ptr<Region>)
+Playlist::region_is_shuffle_constrained (boost::shared_ptr<Region>)
{
RegionLock rlock (const_cast<Playlist*> (this));
-
+
if (regions.size() > 1) {
return true;
}
RegionList copy (regions);
freeze ();
-
- for (RegionList::iterator i = copy.begin(); i != copy.end(); ++i) {
+
+ for (RegionList::iterator i = copy.begin(); i != copy.end(); ++i) {
(*i)->update_position_after_tempo_map_change ();
}
thaw ();
}
+
+void
+Playlist::foreach_region (sigc::slot<void, boost::shared_ptr<Region> > s)
+{
+ RegionLock rl (this, false);
+ for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
+ s (*i);
+ }
+}
+
+void
+Playlist::set_explicit_relayering (bool e)
+{
+ if (e == false && _explicit_relayering == true) {
+
+ /* We are changing from explicit to implicit relayering; layering may have been changed whilst
+ we were in explicit mode, and we don't want that to be undone next time an implicit relayer
+ occurs. Hence now we'll set up region last_layer_op values so that an implicit relayer
+ at this point would keep regions on the same layers.
+
+ From then on in, it's just you and your towel.
+ */
+
+ RegionLock rl (this);
+ for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) {
+ (*i)->set_last_layer_op ((*i)->layer ());
+ }
+ }
+
+ _explicit_relayering = e;
+}