/* 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 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "i18n.h" using namespace std; using namespace ARDOUR; using namespace PBD; struct ShowMeTheList { ShowMeTheList (boost::shared_ptr pl, const string& n) : playlist (pl), name (n) {} ~ShowMeTheList () { cerr << ">>>>" << name << endl; playlist->dump(); cerr << "<<<<" << name << endl << endl; }; boost::shared_ptr playlist; string name; }; struct RegionSortByLayer { bool operator() (boost::shared_ptr a, boost::shared_ptr b) { return a->layer() < b->layer(); } }; struct RegionSortByPosition { bool operator() (boost::shared_ptr a, boost::shared_ptr b) { return a->position() < b->position(); } }; struct RegionSortByLastLayerOp { bool operator() (boost::shared_ptr a, boost::shared_ptr b) { return a->last_layer_op() < b->last_layer_op(); } }; Playlist::Playlist (Session& sess, string nom, bool hide) : _session (sess) { init (hide); first_set_state = false; _name = nom; _set_sort_id(); } Playlist::Playlist (Session& sess, const XMLNode& node, bool hide) : _session (sess) { init (hide); _name = "unnamed"; /* reset by set_state */ _set_sort_id(); /* set state called by derived class */ } Playlist::Playlist (boost::shared_ptr other, string namestr, bool hide) : _name (namestr), _session (other->_session), _orig_diskstream_id(other->_orig_diskstream_id) { init (hide); RegionList tmp; other->copy_regions (tmp); in_set_state++; for (list >::iterator x = tmp.begin(); x != tmp.end(); ++x) { add_region_internal( (*x), (*x)->position()); } in_set_state--; _splicing = other->_splicing; _nudging = other->_nudging; _edit_mode = other->_edit_mode; in_set_state = 0; first_set_state = false; in_flush = false; in_partition = false; subcnt = 0; _read_data_count = 0; _frozen = other->_frozen; layer_op_counter = other->layer_op_counter; freeze_length = other->freeze_length; } Playlist::Playlist (boost::shared_ptr other, nframes_t start, nframes_t cnt, string str, bool hide) : _name (str), _session (other->_session), _orig_diskstream_id(other->_orig_diskstream_id) { RegionLock rlock2 (const_cast (other.get())); nframes_t end = start + cnt - 1; init (hide); in_set_state++; for (RegionList::const_iterator i = other->regions.begin(); i != other->regions.end(); i++) { boost::shared_ptr region; boost::shared_ptr new_region; nframes_t offset = 0; nframes_t position = 0; nframes_t len = 0; string new_name; OverlapType overlap; region = *i; overlap = region->coverage (start, end); switch (overlap) { case OverlapNone: continue; case OverlapInternal: offset = start - region->position(); position = 0; len = cnt; break; case OverlapStart: offset = 0; position = region->position() - start; len = end - region->position(); break; case OverlapEnd: offset = start - region->position(); position = 0; len = region->length() - offset; break; case OverlapExternal: offset = 0; position = region->position() - start; len = region->length(); break; } _session.region_name (new_name, region->name(), false); new_region = RegionFactory::RegionFactory::create (region, offset, len, new_name, region->layer(), region->flags()); add_region_internal (new_region, position); } in_set_state--; first_set_state = false; /* this constructor does NOT notify others (session) */ } void Playlist::use () { ++_refcnt; InUse (true); /* EMIT SIGNAL */ } void Playlist::release () { if (_refcnt > 0) { _refcnt--; } if (_refcnt == 0) { InUse (false); /* EMIT SIGNAL */ } } void Playlist::copy_regions (RegionList& newlist) const { RegionLock rlock (const_cast (this)); for (RegionList::const_iterator i = regions.begin(); i != regions.end(); ++i) { newlist.push_back (RegionFactory::RegionFactory::create (*i)); } } void Playlist::init (bool hide) { g_atomic_int_set (&block_notifications, 0); g_atomic_int_set (&ignore_state_changes, 0); pending_modified = false; pending_length = false; first_set_state = true; _refcnt = 0; _hidden = hide; _splicing = false; _shuffling = false; _nudging = false; in_set_state = 0; _edit_mode = Config->get_edit_mode(); in_flush = false; in_partition = false; subcnt = 0; _read_data_count = 0; _frozen = false; layer_op_counter = 0; freeze_length = 0; Modified.connect (mem_fun (*this, &Playlist::mark_session_dirty)); } Playlist::Playlist (const Playlist& pl) : _session (pl._session) { fatal << _("playlist const copy constructor called") << endmsg; } Playlist::Playlist (Playlist& pl) : _session (pl._session) { fatal << _("playlist non-const copy constructor called") << endmsg; } Playlist::~Playlist () { { RegionLock rl (this); for (set >::iterator i = all_regions.begin(); i != all_regions.end(); ++i) { (*i)->set_playlist (boost::shared_ptr()); } } /* GoingAway must be emitted by derived classes */ } void Playlist::_set_sort_id () { /* Playlists are given names like . or .. where id is an integer. We extract the id and sort by that. */ size_t dot_position = _name.find_last_of("."); if (dot_position == string::npos) { _sort_id = 0; } else { string t = _name.substr(dot_position + 1); try { _sort_id = boost::lexical_cast(t); } catch (boost::bad_lexical_cast e) { _sort_id = 0; } } } void Playlist::set_name (string str) { /* in a typical situation, a playlist is being used by one diskstream and also is referenced by the Session. if there are more references than that, then don't change the name. */ if (_refcnt > 2) { return; } if (str == _name) { return; } string name = str; while (_session.playlist_by_name(name) != 0) { name = bump_name_once(name); } _name = name; _set_sort_id(); NameChanged(); /* EMIT SIGNAL */ } /*********************************************************************** 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::freeze () { delay_notifications (); g_atomic_int_inc (&ignore_state_changes); } void Playlist::thaw () { g_atomic_int_dec_and_test (&ignore_state_changes); release_notifications (); } void Playlist::delay_notifications () { g_atomic_int_inc (&block_notifications); freeze_length = _get_maximum_extent(); } void Playlist::release_notifications () { if (g_atomic_int_dec_and_test (&block_notifications)) { flush_notifications (); } } void Playlist::notify_modified () { if (holding_state ()) { pending_modified = true; } else { pending_modified = false; Modified(); /* EMIT SIGNAL */ } } void Playlist::notify_region_removed (boost::shared_ptr r) { if (holding_state ()) { pending_removes.insert (r); pending_modified = true; pending_length = true; } else { /* this might not be true, but we have to act as though it could be. */ LengthChanged (); /* EMIT SIGNAL */ Modified (); /* EMIT SIGNAL */ } } void Playlist::notify_region_added (boost::shared_ptr r) { /* the length change might not be true, but we have to act as though it could be. */ if (holding_state()) { pending_adds.insert (r); pending_modified = true; pending_length = true; } else { LengthChanged (); /* EMIT SIGNAL */ Modified (); /* EMIT SIGNAL */ } } void Playlist::notify_length_changed () { if (holding_state ()) { pending_length = true; } else { LengthChanged(); /* EMIT SIGNAL */ Modified (); /* EMIT SIGNAL */ } } void Playlist::flush_notifications () { set > dependent_checks_needed; set >::iterator s; uint32_t n = 0; if (in_flush) { return; } in_flush = true; /* 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" model, sort them by existing layer, then timestamp them. */ // RegionSortByLayer cmp; // pending_bounds.sort (cmp); for (RegionList::iterator r = pending_bounds.begin(); r != pending_bounds.end(); ++r) { if (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); n++; } if ((freeze_length != _get_maximum_extent()) || pending_length) { pending_length = 0; LengthChanged(); /* EMIT SIGNAL */ n++; } if (n || pending_modified) { if (!in_set_state) { relayer (); } pending_modified = false; Modified (); /* EMIT SIGNAL */ } for (s = dependent_checks_needed.begin(); s != dependent_checks_needed.end(); ++s) { check_dependents (*s, false); } pending_adds.clear (); pending_removes.clear (); pending_bounds.clear (); in_flush = false; } /************************************************************* PLAYLIST OPERATIONS *************************************************************/ void Playlist::add_region (boost::shared_ptr region, nframes_t position, float times) { RegionLock rlock (this); times = fabs (times); int itimes = (int) floor (times); nframes_t pos = position; 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. */ for (int i = 0; i < itimes; ++i) { boost::shared_ptr copy = RegionFactory::create (region); add_region_internal (copy, pos); pos += region->length(); } nframes_t length = 0; if (floor (times) != times) { length = (nframes_t) floor (region->length() * (times - floor (times))); string name; _session.region_name (name, region->name(), false); boost::shared_ptr sub = RegionFactory::create (region, 0, length, name, region->layer(), region->flags()); add_region_internal (sub, pos); } possibly_splice_unlocked (position, (pos + length) - position, boost::shared_ptr()); } void Playlist::set_region_ownership () { RegionLock rl (this); RegionList::iterator i; boost::weak_ptr pl (shared_from_this()); for (i = regions.begin(); i != regions.end(); ++i) { (*i)->set_playlist (pl); } } void Playlist::add_region_internal (boost::shared_ptr region, nframes_t position) { RegionSortByPosition cmp; nframes_t old_length = 0; if (!holding_state()) { old_length = _get_maximum_extent(); } if (!first_set_state) { boost::shared_ptr foo (shared_from_this()); region->set_playlist (boost::weak_ptr(foo)); } region->set_position (position, this); timestamp_layer_op (region); regions.insert (upper_bound (regions.begin(), regions.end(), region, cmp), region); all_regions.insert (region); possibly_splice_unlocked (position, region->length(), region); if (!holding_state () && !in_set_state) { /* layers get assigned from XML state */ relayer (); } /* 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->StateChanged.connect (sigc::bind (mem_fun (this, &Playlist::region_changed_proxy), boost::weak_ptr (region))); } void Playlist::replace_region (boost::shared_ptr old, boost::shared_ptr newr, nframes_t pos) { RegionLock rlock (this); bool old_sp = _splicing; _splicing = true; remove_region_internal (old); add_region_internal (newr, pos); _splicing = old_sp; possibly_splice_unlocked (pos, (nframes64_t) old->length() - (nframes64_t) newr->length()); } void Playlist::remove_region (boost::shared_ptr region) { RegionLock rlock (this); remove_region_internal (region); } int Playlist::remove_region_internal (boost::shared_ptr region) { RegionList::iterator i; nframes_t old_length = 0; if (!holding_state()) { old_length = _get_maximum_extent(); } if (!in_set_state) { /* unset playlist */ region->set_playlist (boost::weak_ptr()); } for (i = regions.begin(); i != regions.end(); ++i) { if (*i == region) { nframes_t pos = (*i)->position(); nframes64_t distance = (*i)->length(); regions.erase (i); possibly_splice_unlocked (pos, -distance); if (!holding_state ()) { relayer (); remove_dependents (region); if (old_length != _get_maximum_extent()) { notify_length_changed (); } } notify_region_removed (region); return 0; } } return -1; } void Playlist::get_equivalent_regions (boost::shared_ptr other, vector >& results) { if (Config->get_use_overlap_equivalency()) { for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) { if ((*i)->overlap_equivalent (other)) { results.push_back ((*i)); } } } else { for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) { if ((*i)->equivalent (other)) { results.push_back ((*i)); } } } } void Playlist::get_region_list_equivalent_regions (boost::shared_ptr other, vector >& results) { for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) { if ((*i) && (*i)->region_list_equivalent (other)) { results.push_back (*i); } } } void Playlist::partition (nframes_t start, nframes_t end, bool just_top_level) { RegionList thawlist; partition_internal (start, end, false, thawlist); for (RegionList::iterator i = thawlist.begin(); i != thawlist.end(); ++i) { (*i)->thaw ("separation"); } } void Playlist::partition_internal (nframes_t start, nframes_t end, bool cutting, RegionList& thawlist) { RegionList new_regions; { RegionLock rlock (this); boost::shared_ptr region; boost::shared_ptr 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. */ if (current->first_frame() >= end) { continue; } if ((overlap = current->coverage (start, end)) == OverlapNone) { continue; } pos1 = current->position(); 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 ---------------*************************------------ P1 P2 P3 P4 SPLIT: ---------------*****++++++++++++++++====------------ 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, 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: ---------------**************+++++++++++------------ 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 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 SPLIT: ---------------*************************------------ CUT: ---------------------------------------------------- */ if (cutting) { remove_region_internal (current); } new_regions.push_back (current); } } in_partition = false; } for (RegionList::iterator i = new_regions.begin(); i != new_regions.end(); ++i) { check_dependents (*i, false); } } boost::shared_ptr Playlist::cut_copy (boost::shared_ptr (Playlist::*pmf)(nframes_t, nframes_t,bool), list& ranges, bool result_is_hidden) { boost::shared_ptr ret; boost::shared_ptr pl; nframes_t start; if (ranges.empty()) { return boost::shared_ptr(); } start = ranges.front().start; for (list::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. */ ret->paste (pl, (*i).start - start, 1.0f); } } return ret; } boost::shared_ptr Playlist::cut (list& ranges, bool result_is_hidden) { boost::shared_ptr (Playlist::*pmf)(nframes_t,nframes_t,bool) = &Playlist::cut; return cut_copy (pmf, ranges, result_is_hidden); } boost::shared_ptr Playlist::copy (list& ranges, bool result_is_hidden) { boost::shared_ptr (Playlist::*pmf)(nframes_t,nframes_t,bool) = &Playlist::copy; return cut_copy (pmf, ranges, result_is_hidden); } boost::shared_ptr Playlist::cut (nframes_t start, nframes_t cnt, bool result_is_hidden) { boost::shared_ptr the_copy; RegionList thawlist; char buf[32]; snprintf (buf, sizeof (buf), "%" PRIu32, ++subcnt); string new_name = _name; new_name += '.'; new_name += buf; if ((the_copy = PlaylistFactory::create (shared_from_this(), start, cnt, new_name, result_is_hidden)) == 0) { return boost::shared_ptr(); } partition_internal (start, start+cnt-1, true, thawlist); for (RegionList::iterator i = thawlist.begin(); i != thawlist.end(); ++i) { (*i)->thaw ("playlist cut"); } return the_copy; } boost::shared_ptr 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 += '.'; new_name += buf; cnt = min (_get_maximum_extent() - start, cnt); return PlaylistFactory::create (shared_from_this(), start, cnt, new_name, result_is_hidden); } int Playlist::paste (boost::shared_ptr other, nframes_t position, float times) { times = fabs (times); nframes_t old_length; { RegionLock rl1 (this); 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(); layer_t top_layer = regions.size(); while (itimes--) { for (RegionList::iterator i = other->regions.begin(); i != other->regions.end(); ++i) { boost::shared_ptr copy_of_region = RegionFactory::create (*i); /* 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); } pos += shift; } /* XXX shall we handle fractional cases at some point? */ if (old_length != _get_maximum_extent()) { notify_length_changed (); } } return 0; } void Playlist::duplicate (boost::shared_ptr region, nframes_t position, float times) { times = fabs (times); RegionLock rl (this); int itimes = (int) floor (times); nframes_t pos = position; while (itimes--) { boost::shared_ptr copy = RegionFactory::create (region); add_region_internal (copy, pos); pos += region->length(); } if (floor (times) != times) { nframes_t length = (nframes_t) floor (region->length() * (times - floor (times))); string name; _session.region_name (name, region->name(), false); boost::shared_ptr sub = RegionFactory::create (region, 0, length, name, region->layer(), region->flags()); add_region_internal (sub, pos); } } void Playlist::shift (nframes64_t at, nframes64_t distance, bool move_intersected, bool ignore_music_glue) { RegionLock rlock (this); RegionList copy (regions); RegionList fixup; for (RegionList::iterator r = copy.begin(); r != copy.end(); ++r) { if ((*r)->last_frame() < at) { /* 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. */ if (!ignore_music_glue && (*r)->positional_lock_style() != Region::AudioTime) { fixup.push_back (*r); continue; } (*r)->set_position ((*r)->position() + distance, this); } for (RegionList::iterator r = fixup.begin(); r != fixup.end(); ++r) { (*r)->recompute_position_from_lock_style (); } } void Playlist::split (nframes64_t at) { RegionLock rlock (this); RegionList copy (regions); /* use a copy since this operation can modify the region list */ for (RegionList::iterator r = copy.begin(); r != copy.end(); ++r) { _split_region (*r, at); } } void Playlist::split_region (boost::shared_ptr region, nframes_t playlist_position) { RegionLock rl (this); _split_region (region, playlist_position); } void Playlist::_split_region (boost::shared_ptr region, nframes_t playlist_position) { if (!region->covers (playlist_position)) { return; } if (region->position() == playlist_position || region->last_frame() == playlist_position) { return; } boost::shared_ptr left; boost::shared_ptr right; nframes_t before; nframes_t after; string before_name; 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)); _session.region_name (after_name, region->name(), false); right = RegionFactory::create (region, before, after, after_name, region->layer(), Region::Flag (region->flags()|Region::RightOfSplit)); add_region_internal (left, region->position()); add_region_internal (right, region->position() + before); uint64_t orig_layer_op = region->last_layer_op(); for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) { if ((*i)->last_layer_op() > orig_layer_op) { (*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; } void Playlist::possibly_splice (nframes_t at, nframes64_t distance, boost::shared_ptr exclude) { if (_splicing || in_set_state) { /* don't respond to splicing moves or state setting */ return; } if (_edit_mode == Splice) { splice_locked (at, distance, exclude); } } void Playlist::possibly_splice_unlocked (nframes_t at, nframes64_t distance, boost::shared_ptr exclude) { if (_splicing || in_set_state) { /* don't respond to splicing moves or state setting */ return; } if (_edit_mode == Splice) { splice_unlocked (at, distance, exclude); } } void Playlist::splice_locked (nframes_t at, nframes64_t distance, boost::shared_ptr exclude) { { RegionLock rl (this); core_splice (at, distance, exclude); } } void Playlist::splice_unlocked (nframes_t at, nframes64_t distance, boost::shared_ptr exclude) { core_splice (at, distance, exclude); } void Playlist::core_splice (nframes_t at, nframes64_t distance, boost::shared_ptr exclude) { _splicing = true; for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) { if (exclude && (*i) == exclude) { continue; } if ((*i)->position() >= at) { nframes64_t new_pos = (*i)->position() + distance; if (new_pos < 0) { new_pos = 0; } else if (new_pos >= max_frames - (*i)->length()) { new_pos = max_frames - (*i)->length(); } (*i)->set_position (new_pos, this); } } _splicing = false; notify_length_changed (); } void Playlist::region_bounds_changed (Change what_changed, boost::shared_ptr region) { if (in_set_state || _splicing || _nudging || _shuffling) { return; } if (what_changed & ARDOUR::PositionChanged) { /* 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()) << endmsg; return; } regions.erase (i); regions.insert (upper_bound (regions.begin(), regions.end(), region, cmp), region); } 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) { /* it moved or changed length, so change the timestamp */ timestamp_layer_op (region); } notify_length_changed (); relayer (); check_dependents (region, false); } } } void Playlist::region_changed_proxy (Change what_changed, boost::weak_ptr weak_region) { boost::shared_ptr region (weak_region.lock()); if (!region) { return; } /* this makes a virtual call to the right kind of playlist ... */ region_changed (what_changed, region); } bool Playlist::region_changed (Change what_changed, boost::shared_ptr region) { Change our_interests = Change (Region::MuteChanged|Region::LayerChanged|Region::OpacityChanged); bool save = false; if (in_set_state || in_flush) { return false; } { if (what_changed & BoundsChanged) { region_bounds_changed (what_changed, region); save = !(_splicing || _nudging); } if ((what_changed & our_interests) && !(what_changed & Change (ARDOUR::PositionChanged|ARDOUR::LengthChanged))) { check_dependents (region, false); } if (what_changed & our_interests) { save = true; } } return save; } void Playlist::drop_regions () { RegionLock rl (this); regions.clear (); all_regions.clear (); } void Playlist::clear (bool with_signals) { { RegionLock rl (this); for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) { pending_removes.insert (*i); } regions.clear (); } if (with_signals) { LengthChanged (); Modified (); } } /*********************************************************************** FINDING THINGS **********************************************************************/ Playlist::RegionList * Playlist::regions_at (nframes_t frame) { RegionLock rlock (this); return find_regions_at (frame); } boost::shared_ptr Playlist::top_region_at (nframes_t frame) { RegionLock rlock (this); RegionList *rlist = find_regions_at (frame); boost::shared_ptr 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) { /* Caller must hold lock */ RegionList covering; set to_check; set > unique; RegionList here; to_check.insert (start); to_check.insert (end); for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) { /* find all/any regions that span start+end */ switch ((*i)->coverage (start, end)) { case OverlapNone: break; case OverlapInternal: covering.push_back (*i); break; case OverlapStart: to_check.insert ((*i)->position()); covering.push_back (*i); break; case OverlapEnd: to_check.insert ((*i)->last_frame()); covering.push_back (*i); break; case OverlapExternal: covering.push_back (*i); to_check.insert ((*i)->position()); to_check.insert ((*i)->last_frame()); break; } /* don't go too far */ if ((*i)->position() > end) { break; } } RegionList* rlist = new RegionList; /* find all the regions that cover each position .... */ if (covering.size() == 1) { rlist->push_back (covering.front()); } else { for (set::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 >::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); } } return rlist; } Playlist::RegionList * Playlist::find_regions_at (nframes_t frame) { /* Caller must hold lock */ RegionList *rlist = new RegionList; for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) { if ((*i)->covers (frame)) { rlist->push_back (*i); } } return rlist; } Playlist::RegionList * Playlist::regions_touched (nframes_t start, nframes_t end) { RegionLock rlock (this); RegionList *rlist = new RegionList; for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) { if ((*i)->coverage (start, end) != OverlapNone) { rlist->push_back (*i); } } return rlist; } nframes64_t Playlist::find_next_transient (nframes64_t from, int dir) { RegionLock rlock (this); AnalysisFeatureList points; AnalysisFeatureList these_points; for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) { if (dir > 0) { if ((*i)->last_frame() < from) { continue; } } else { if ((*i)->first_frame() > from) { continue; } } (*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; } } } else { for (AnalysisFeatureList::reverse_iterator x = points.rbegin(); x != points.rend(); ++x) { if ((*x) <= from) { reached = true; } if (reached && (*x) < from) { return *x; } } } return -1; } boost::shared_ptr Playlist::find_next_region (nframes_t frame, RegionPoint point, int dir) { RegionLock rlock (this); boost::shared_ptr ret; nframes_t closest = max_frames; for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) { nframes_t distance; boost::shared_ptr r = (*i); nframes_t pos = 0; switch (point) { case Start: pos = r->first_frame (); break; case End: pos = r->last_frame (); break; case SyncPoint: pos = r->sync_position (); // r->adjust_to_sync (r->first_frame()); break; } switch (dir) { case 1: /* forwards */ if (pos >= frame) { if ((distance = pos - frame) < closest) { closest = distance; ret = r; } } break; default: /* backwards */ if (pos <= frame) { if ((distance = frame - pos) < closest) { closest = distance; ret = r; } } break; } } return ret; } nframes64_t Playlist::find_next_region_boundary (nframes64_t frame, int dir) { RegionLock rlock (this); nframes64_t closest = max_frames; nframes64_t ret = -1; if (dir > 0) { for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) { boost::shared_ptr r = (*i); nframes64_t distance; nframes64_t end = r->position() + r->length(); bool reset; reset = false; if (r->first_frame() > frame) { distance = r->first_frame() - frame; if (distance < closest) { ret = r->first_frame(); closest = distance; reset = true; } } if (end > frame) { distance = end - frame; if (distance < closest) { ret = end; closest = distance; reset = true; } } if (reset) { break; } } } else { for (RegionList::reverse_iterator i = regions.rbegin(); i != regions.rend(); ++i) { boost::shared_ptr r = (*i); nframes64_t distance; bool reset; reset = false; if (r->last_frame() < frame) { distance = frame - r->last_frame(); if (distance < closest) { ret = r->last_frame(); closest = distance; reset = true; } } if (r->first_frame() < frame) { distance = frame - r->last_frame(); if (distance < closest) { ret = r->first_frame(); closest = distance; reset = true; } } if (reset) { break; } } } return ret; } /***********************************************************************/ void Playlist::mark_session_dirty () { if (!in_set_state && !holding_state ()) { _session.set_dirty(); } } int Playlist::set_state (const XMLNode& node) { XMLNode *child; XMLNodeList nlist; XMLNodeConstIterator niter; XMLPropertyList plist; XMLPropertyConstIterator piter; XMLProperty *prop; boost::shared_ptr region; string region_name; in_set_state++; if (node.name() != "Playlist") { in_set_state--; return -1; } freeze (); plist = node.properties(); for (piter = plist.begin(); piter != plist.end(); ++piter) { prop = *piter; if (prop->name() == X_("name")) { _name = prop->value(); _set_sort_id(); } else if (prop->name() == X_("orig_diskstream_id")) { _orig_diskstream_id = prop->value (); } else if (prop->name() == X_("frozen")) { _frozen = (prop->value() == X_("yes")); } } 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)) { error << _("Playlist: cannot reset region state from XML") << endmsg; continue; } } else if ((region = RegionFactory::create (_session, *child, true)) == 0) { error << _("Playlist: cannot create region from XML") << endmsg; continue; } add_region (region, region->position(), 1.0); // 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 */ for (RegionList::iterator r = regions.begin(); r != regions.end(); ++r) { check_dependents (*r, false); } in_set_state--; first_set_state = false; return 0; } XMLNode& Playlist::get_state() { return state(true); } XMLNode& Playlist::get_template() { return state(false); } XMLNode& Playlist::state (bool full_state) { XMLNode *node = new XMLNode (X_("Playlist")); char buf[64]; node->add_property (X_("name"), _name); _orig_diskstream_id.print (buf, sizeof (buf)); node->add_property (X_("orig_diskstream_id"), buf); node->add_property (X_("frozen"), _frozen ? "yes" : "no"); if (full_state) { RegionLock rlock (this, false); for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) { node->add_child_nocopy ((*i)->get_state()); } } if (_extra_xml) { node->add_child_copy (*_extra_xml); } return *node; } bool Playlist::empty() const { RegionLock rlock (const_cast(this), false); return regions.empty(); } uint32_t Playlist::n_regions() const { RegionLock rlock (const_cast(this), false); return regions.size(); } nframes_t Playlist::get_maximum_extent () const { RegionLock rlock (const_cast(this), false); return _get_maximum_extent (); } nframes_t Playlist::_get_maximum_extent () const { RegionList::const_iterator i; nframes_t max_extent = 0; nframes_t end = 0; for (i = regions.begin(); i != regions.end(); ++i) { if ((end = (*i)->position() + (*i)->length()) > max_extent) { max_extent = end; } } return max_extent; } string Playlist::bump_name (string name, Session &session) { string newname = name; do { newname = bump_name_once (newname); } while (session.playlist_by_name (newname)!=NULL); return newname; } layer_t Playlist::top_layer() const { RegionLock rlock (const_cast (this)); layer_t top = 0; for (RegionList::const_iterator i = regions.begin(); i != regions.end(); ++i) { top = max (top, (*i)->layer()); } return top; } void Playlist::set_edit_mode (EditMode mode) { _edit_mode = mode; } /******************** * Region Layering ********************/ void Playlist::relayer () { RegionList::iterator i; uint32_t layer = 0; /* don't send multiple Modified notifications when multiple regions are relayered. */ freeze (); if (Config->get_layer_model() == MoveAddHigher || Config->get_layer_model() == AddHigher) { RegionSortByLastLayerOp cmp; RegionList copy = regions; copy.sort (cmp); for (i = copy.begin(); i != copy.end(); ++i) { (*i)->set_layer (layer++); } } else { /* Session::LaterHigher model */ for (i = regions.begin(); i != regions.end(); ++i) { (*i)->set_layer (layer++); } } /* sending Modified means that various kinds of layering models operate correctly at the GUI level. slightly inefficient, but only slightly. We force a Modified signal here in case no layers actually changed. */ notify_modified (); thaw (); } /* XXX these layer functions are all deprecated */ void Playlist::raise_region (boost::shared_ptr region) { uint32_t rsz = regions.size(); layer_t target = region->layer() + 1U; if (target >= rsz) { /* its already at the effective top */ return; } move_region_to_layer (target, region, 1); } void Playlist::lower_region (boost::shared_ptr region) { if (region->layer() == 0) { /* its already at the bottom */ return; } layer_t target = region->layer() - 1U; move_region_to_layer (target, region, -1); } void Playlist::raise_region_to_top (boost::shared_ptr region) { /* does nothing useful if layering mode is later=higher */ if ((Config->get_layer_model() == MoveAddHigher) || (Config->get_layer_model() == AddHigher)) { timestamp_layer_op (region); relayer (); } } void Playlist::lower_region_to_bottom (boost::shared_ptr region) { /* does nothing useful if layering mode is later=higher */ if ((Config->get_layer_model() == MoveAddHigher) || (Config->get_layer_model() == AddHigher)) { region->set_last_layer_op (0); relayer (); } } int Playlist::move_region_to_layer (layer_t target_layer, boost::shared_ptr region, int dir) { RegionList::iterator i; typedef pair,layer_t> LayerInfo; list layerinfo; layer_t dest; { RegionLock rlock (const_cast (this)); for (i = regions.begin(); i != regions.end(); ++i) { if (region == *i) { continue; } if (dir > 0) { /* 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 { /* not affected */ continue; } } else { /* region is moving down, move all regions on intermediate layers up 1 */ if ((*i)->layer() < region->layer() && (*i)->layer() >= target_layer) { dest = (*i)->layer() + 1; } else { /* not affected */ continue; } } LayerInfo newpair; newpair.first = *i; newpair.second = dest; layerinfo.push_back (newpair); } } /* now reset the layers without holding the region lock */ for (list::iterator x = layerinfo.begin(); x != layerinfo.end(); ++x) { x->first->set_layer (x->second); } region->set_layer (target_layer); #if 0 /* now check all dependents */ for (list::iterator x = layerinfo.begin(); x != layerinfo.end(); ++x) { check_dependents (x->first, false); } check_dependents (region, false); #endif return 0; } void Playlist::nudge_after (nframes_t start, nframes_t distance, bool forwards) { RegionList::iterator i; nframes_t new_pos; bool moved = false; _nudging = true; { RegionLock rlock (const_cast (this)); for (i = regions.begin(); i != regions.end(); ++i) { if ((*i)->position() >= start) { if (forwards) { if ((*i)->last_frame() > max_frames - distance) { new_pos = max_frames - (*i)->length(); } else { new_pos = (*i)->position() + distance; } } else { if ((*i)->position() > distance) { new_pos = (*i)->position() - distance; } else { new_pos = 0; } } (*i)->set_position (new_pos, this); moved = true; } } } if (moved) { _nudging = false; notify_length_changed (); } } boost::shared_ptr Playlist::find_region (const ID& id) const { RegionLock rlock (const_cast (this)); /* searches all regions currently in use by the playlist */ for (RegionList::const_iterator i = regions.begin(); i != regions.end(); ++i) { if ((*i)->id() == id) { return *i; } } return boost::shared_ptr (); } boost::shared_ptr Playlist::region_by_id (ID id) { /* searches all regions ever added to this playlist */ for (set >::iterator i = all_regions.begin(); i != all_regions.end(); ++i) { if ((*i)->id() == id) { return *i; } } return boost::shared_ptr (); } void Playlist::dump () const { boost::shared_ptr r; cerr << "Playlist \"" << _name << "\" " << endl << regions.size() << " regions " << endl; for (RegionList::const_iterator i = regions.begin(); i != regions.end(); ++i) { r = *i; cerr << " " << r->name() << " [" << r->start() << "+" << r->length() << "] at " << r->position() << " on layer " << r->layer () << endl; } } void Playlist::set_frozen (bool yn) { _frozen = yn; } void Playlist::timestamp_layer_op (boost::shared_ptr region) { // struct timeval tv; // gettimeofday (&tv, 0); region->set_last_layer_op (++layer_op_counter); } void Playlist::shuffle (boost::shared_ptr region, int dir) { bool moved = false; nframes_t new_pos; if (region->locked()) { return; } _shuffling = true; { RegionLock rlock (const_cast (this)); if (dir > 0) { RegionList::iterator next; for (RegionList::iterator i = regions.begin(); i != regions.end(); ++i) { if ((*i) == region) { next = i; ++next; if (next != regions.end()) { if ((*next)->locked()) { break; } if ((*next)->position() != region->last_frame() + 1) { /* they didn't used to touch, so after shuffle, just have them swap positions. */ new_pos = (*next)->position(); } else { /* they used to touch, so after shuffle, make sure they still do. put the earlier region where the later one will end after it is moved. */ new_pos = region->position() + (*next)->length(); } (*next)->set_position (region->position(), this); region->set_position (new_pos, this); /* avoid a full sort */ regions.erase (i); // removes the region from the list */ next++; regions.insert (next, region); // adds it back after next moved = true; } break; } } } else { RegionList::iterator prev = regions.end(); for (RegionList::iterator i = regions.begin(); i != regions.end(); prev = i, ++i) { if ((*i) == region) { if (prev != regions.end()) { if ((*prev)->locked()) { break; } if (region->position() != (*prev)->last_frame() + 1) { /* they didn't used to touch, so after shuffle, just have them swap positions. */ new_pos = region->position(); } else { /* they used to touch, so after shuffle, make sure they still do. put the earlier one where the later one will end after */ new_pos = (*prev)->position() + region->length(); } region->set_position ((*prev)->position(), this); (*prev)->set_position (new_pos, this); /* avoid a full sort */ regions.erase (i); // remove region regions.insert (prev, region); // insert region before prev moved = true; } break; } } } } _shuffling = false; if (moved) { relayer (); check_dependents (region, false); notify_modified(); } } bool Playlist::region_is_shuffle_constrained (boost::shared_ptr) { RegionLock rlock (const_cast (this)); if (regions.size() > 1) { return true; } return false; } void Playlist::update_after_tempo_map_change () { RegionLock rlock (const_cast (this)); RegionList copy (regions); freeze (); for (RegionList::iterator i = copy.begin(); i != copy.end(); ++i) { (*i)->update_position_after_tempo_map_change (); } thaw (); }