Paul Davis
db8b575c30
git-svn-id: svn://localhost/ardour2/branches/3.0@6718 d708f5d6-7413-0410-9779-e7cbd77b26cf
380 lines
8.6 KiB
C++
380 lines
8.6 KiB
C++
/*
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Copyright (C) 2009 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <vector>
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#include "pbd/xml++.h"
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#include "pbd/compose.h"
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#include "ardour/debug.h"
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#include "ardour/session_playlists.h"
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#include "ardour/playlist.h"
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#include "ardour/region.h"
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#include "ardour/playlist_factory.h"
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#include "ardour/session.h"
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#include "i18n.h"
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using namespace std;
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using namespace PBD;
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using namespace ARDOUR;
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SessionPlaylists::~SessionPlaylists ()
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{
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DEBUG_TRACE (DEBUG::Destruction, "delete playlists\n");
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for (List::iterator i = playlists.begin(); i != playlists.end(); ) {
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SessionPlaylists::List::iterator tmp;
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tmp = i;
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++tmp;
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DEBUG_TRACE(DEBUG::Destruction, string_compose ("Dropping for used playlist %1 ; pre-ref = %2\n", (*i)->name(), (*i).use_count()));
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boost::shared_ptr<Playlist> keeper (*i);
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(*i)->drop_references ();
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i = tmp;
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}
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DEBUG_TRACE (DEBUG::Destruction, "delete unused playlists\n");
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for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ) {
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List::iterator tmp;
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tmp = i;
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++tmp;
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DEBUG_TRACE(DEBUG::Destruction, string_compose ("Dropping for unused playlist %1 ; pre-ref = %2\n", (*i)->name(), (*i).use_count()));
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boost::shared_ptr<Playlist> keeper (*i);
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(*i)->drop_references ();
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i = tmp;
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}
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playlists.clear ();
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unused_playlists.clear ();
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}
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bool
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SessionPlaylists::add (boost::shared_ptr<Playlist> playlist)
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{
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Glib::Mutex::Lock lm (lock);
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bool const existing = find (playlists.begin(), playlists.end(), playlist) != playlists.end();
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if (!existing) {
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playlists.insert (playlists.begin(), playlist);
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playlist->InUse.connect_same_thread (*this, boost::bind (&SessionPlaylists::track, this, _1, boost::weak_ptr<Playlist>(playlist)));
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}
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return existing;
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}
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void
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SessionPlaylists::remove (boost::shared_ptr<Playlist> playlist)
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{
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Glib::Mutex::Lock lm (lock);
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List::iterator i;
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i = find (playlists.begin(), playlists.end(), playlist);
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if (i != playlists.end()) {
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playlists.erase (i);
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}
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i = find (unused_playlists.begin(), unused_playlists.end(), playlist);
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if (i != unused_playlists.end()) {
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unused_playlists.erase (i);
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}
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}
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void
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SessionPlaylists::track (bool inuse, boost::weak_ptr<Playlist> wpl)
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{
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boost::shared_ptr<Playlist> pl(wpl.lock());
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if (!pl) {
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return;
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}
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List::iterator x;
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if (pl->hidden()) {
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/* its not supposed to be visible */
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return;
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}
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{
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Glib::Mutex::Lock lm (lock);
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if (!inuse) {
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unused_playlists.insert (pl);
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if ((x = playlists.find (pl)) != playlists.end()) {
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playlists.erase (x);
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}
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} else {
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playlists.insert (pl);
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if ((x = unused_playlists.find (pl)) != unused_playlists.end()) {
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unused_playlists.erase (x);
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}
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}
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}
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}
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uint32_t
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SessionPlaylists::n_playlists () const
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{
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Glib::Mutex::Lock lm (lock);
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return playlists.size();
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}
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boost::shared_ptr<Playlist>
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SessionPlaylists::by_name (string name)
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{
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Glib::Mutex::Lock lm (lock);
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for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
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if ((*i)->name() == name) {
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return* i;
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}
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}
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for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
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if ((*i)->name() == name) {
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return* i;
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}
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}
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return boost::shared_ptr<Playlist>();
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}
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boost::shared_ptr<Playlist>
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SessionPlaylists::by_id (const PBD::ID& id)
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{
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Glib::Mutex::Lock lm (lock);
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for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
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if ((*i)->id() == id) {
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return* i;
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}
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}
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for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
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if ((*i)->id() == id) {
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return* i;
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}
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}
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return boost::shared_ptr<Playlist>();
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}
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void
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SessionPlaylists::unassigned (std::list<boost::shared_ptr<Playlist> > & list)
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{
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Glib::Mutex::Lock lm (lock);
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for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
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if (!(*i)->get_orig_diskstream_id().to_s().compare ("0")) {
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list.push_back (*i);
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}
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}
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for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
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if (!(*i)->get_orig_diskstream_id().to_s().compare ("0")) {
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list.push_back (*i);
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}
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}
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}
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void
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SessionPlaylists::get (vector<boost::shared_ptr<Playlist> >& s)
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{
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Glib::Mutex::Lock lm (lock);
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for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
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s.push_back (*i);
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}
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for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
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s.push_back (*i);
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}
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}
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void
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SessionPlaylists::find_equivalent_playlist_regions (boost::shared_ptr<Region> region, vector<boost::shared_ptr<Region> >& result)
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{
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for (List::iterator i = playlists.begin(); i != playlists.end(); ++i)
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(*i)->get_region_list_equivalent_regions (region, result);
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}
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/** Return the number of playlists (not regions) that contain @a src */
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uint32_t
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SessionPlaylists::source_use_count (boost::shared_ptr<const Source> src) const
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{
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uint32_t count = 0;
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for (List::const_iterator p = playlists.begin(); p != playlists.end(); ++p) {
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for (Playlist::RegionList::const_iterator r = (*p)->region_list().begin();
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r != (*p)->region_list().end(); ++r) {
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if ((*r)->uses_source(src)) {
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++count;
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break;
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}
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}
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}
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return count;
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}
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void
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SessionPlaylists::update_after_tempo_map_change ()
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{
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for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
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(*i)->update_after_tempo_map_change ();
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}
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for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
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(*i)->update_after_tempo_map_change ();
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}
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}
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void
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SessionPlaylists::add_state (XMLNode* node, bool full_state)
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{
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XMLNode* child = node->add_child ("Playlists");
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for (List::iterator i = playlists.begin(); i != playlists.end(); ++i) {
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if (!(*i)->hidden()) {
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if (!(*i)->empty()) {
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if (full_state) {
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child->add_child_nocopy ((*i)->get_state());
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} else {
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child->add_child_nocopy ((*i)->get_template());
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}
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}
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}
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}
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child = node->add_child ("UnusedPlaylists");
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for (List::iterator i = unused_playlists.begin(); i != unused_playlists.end(); ++i) {
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if (!(*i)->hidden()) {
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if (!(*i)->empty()) {
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if (full_state) {
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child->add_child_nocopy ((*i)->get_state());
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} else {
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child->add_child_nocopy ((*i)->get_template());
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}
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}
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}
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}
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}
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/** @return true for `stop cleanup', otherwise false */
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bool
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SessionPlaylists::maybe_delete_unused (boost::function<int(boost::shared_ptr<Playlist>)> ask)
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{
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vector<boost::shared_ptr<Playlist> > playlists_tbd;
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for (List::iterator x = unused_playlists.begin(); x != unused_playlists.end(); ++x) {
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int status = ask (*x);
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switch (status) {
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case -1:
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return true;
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case 0:
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playlists_tbd.push_back (*x);
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break;
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default:
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/* leave it alone */
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break;
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}
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}
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/* now delete any that were marked for deletion */
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for (vector<boost::shared_ptr<Playlist> >::iterator x = playlists_tbd.begin(); x != playlists_tbd.end(); ++x) {
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boost::shared_ptr<Playlist> keeper (*x);
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(*x)->drop_references ();
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}
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playlists_tbd.clear ();
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return false;
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}
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int
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SessionPlaylists::load (Session& session, const XMLNode& node)
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{
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XMLNodeList nlist;
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XMLNodeConstIterator niter;
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boost::shared_ptr<Playlist> playlist;
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nlist = node.children();
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for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
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if ((playlist = XMLPlaylistFactory (session, **niter)) == 0) {
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error << _("Session: cannot create Playlist from XML description.") << endmsg;
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}
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}
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return 0;
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}
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int
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SessionPlaylists::load_unused (Session& session, const XMLNode& node)
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{
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XMLNodeList nlist;
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XMLNodeConstIterator niter;
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boost::shared_ptr<Playlist> playlist;
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nlist = node.children();
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for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
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if ((playlist = XMLPlaylistFactory (session, **niter)) == 0) {
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error << _("Session: cannot create Playlist from XML description.") << endmsg;
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continue;
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}
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// now manually untrack it
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track (false, boost::weak_ptr<Playlist> (playlist));
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}
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return 0;
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}
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boost::shared_ptr<Playlist>
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SessionPlaylists::XMLPlaylistFactory (Session& session, const XMLNode& node)
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{
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try {
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return PlaylistFactory::create (session, node);
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}
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catch (failed_constructor& err) {
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return boost::shared_ptr<Playlist>();
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}
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}
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