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Copyright (C) 2008 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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#include "ardour/audio_playlist_importer.h"
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#include "pbd/failed_constructor.h"
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#include "pbd/compose.h"
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#include "pbd/error.h"
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#include "ardour/audio_region_importer.h"
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#include "ardour/session.h"
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#include "ardour/playlist_factory.h"
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#include "ardour/session_playlists.h"
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using namespace ARDOUR;
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AudioPlaylistImportHandler::AudioPlaylistImportHandler (XMLTree const & source, Session & session, AudioRegionImportHandler & region_handler, const char * nodename) :
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ElementImportHandler (source, session),
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region_handler (region_handler)
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XMLNode const * root = source.root();
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XMLNode const * playlists;
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if (!(playlists = root->child (nodename))) {
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throw failed_constructor();
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XMLNodeList const & pl_children = playlists->children();
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for (XMLNodeList::const_iterator it = pl_children.begin(); it != pl_children.end(); ++it) {
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const XMLProperty* type = (*it)->property("type");
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if ( !type || type->value() == "audio" ) {
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elements.push_back (ElementPtr ( new AudioPlaylistImporter (source, session, *this, **it)));
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} catch (failed_constructor err) {
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AudioPlaylistImportHandler::get_info () const
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return _("Audio Playlists");
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AudioPlaylistImportHandler::get_regions (XMLNode const & node, ElementList & list) const
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region_handler.create_regions_from_children (node, list);
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AudioPlaylistImportHandler::update_region_id (XMLProperty* id_prop)
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PBD::ID old_id (id_prop->value());
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PBD::ID new_id (region_handler.get_new_id (old_id));
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id_prop->set_value (new_id.to_s());
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AudioPlaylistImportHandler::playlists_by_diskstream (PBD::ID const & id, PlaylistList & list) const
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for (ElementList::const_iterator it = elements.begin(); it != elements.end(); ++it) {
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boost::shared_ptr<AudioPlaylistImporter> pl = boost::dynamic_pointer_cast<AudioPlaylistImporter> (*it);
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if (pl && pl->orig_diskstream() == id) {
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list.push_back (PlaylistPtr (new AudioPlaylistImporter (*pl)));
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/*** AudioPlaylistImporter ***/
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AudioPlaylistImporter::AudioPlaylistImporter (XMLTree const & source, Session & session, AudioPlaylistImportHandler & handler, XMLNode const & node) :
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ElementImporter (source, session),
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populate_region_list ();
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XMLPropertyList const & props = xml_playlist.properties();
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for (XMLPropertyList::const_iterator it = props.begin(); it != props.end(); ++it) {
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string prop = (*it)->name();
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if (!prop.compare("type") || !prop.compare("frozen")) {
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} else if (!prop.compare("name")) {
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name = (*it)->value();
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} else if (!prop.compare("orig-diskstream-id")) {
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orig_diskstream_id = (*it)->value();
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std::cerr << string_compose (X_("AudioPlaylistImporter did not recognise XML-property \"%1\""), prop) << endmsg;
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error << string_compose (X_("AudioPlaylistImporter (%1): did not find XML-property \"orig_diskstream_id\" which is mandatory"), name) << endmsg;
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throw failed_constructor();
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AudioPlaylistImporter::AudioPlaylistImporter (AudioPlaylistImporter const & other) :
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ElementImporter (other.source, other.session),
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handler (other.handler),
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orig_node (other.orig_node),
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xml_playlist (other.xml_playlist),
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orig_diskstream_id (other.orig_diskstream_id)
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populate_region_list ();
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AudioPlaylistImporter::~AudioPlaylistImporter ()
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AudioPlaylistImporter::get_info () const
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XMLNodeList children = xml_playlist.children();
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unsigned int regions = 0;
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std::ostringstream oss;
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for (XMLNodeIterator it = children.begin(); it != children.end(); it++) {
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if ((*it)->name() == "Region") {
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oss << regions << " ";
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AudioPlaylistImporter::_prepare_move ()
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while (session.playlists->by_name (name) || !handler.check_name (name)) {
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std::pair<bool, string> rename_pair = *Rename (_("A playlist with this name already exists, please rename it."), name);
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if (!rename_pair.first) {
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name = rename_pair.second;
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XMLProperty* p = xml_playlist.property ("name");
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error << _("badly-formed XML in imported playlist") << endmsg;
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handler.add_name (name);
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AudioPlaylistImporter::_cancel_move ()
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handler.remove_name (name);
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AudioPlaylistImporter::_move ()
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boost::shared_ptr<Playlist> playlist;
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// Update diskstream id
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xml_playlist.property ("orig-diskstream-id")->set_value (diskstream_id.to_s());
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// Update region XML in playlist and prepare sources
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xml_playlist.remove_nodes("Region");
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for (RegionList::iterator it = regions.begin(); it != regions.end(); ++it) {
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xml_playlist.add_child_copy ((*it)->get_xml());
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(*it)->add_sources_to_session();
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if ((*it)->broken()) {
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return; // TODO clean up?
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// Update region ids in crossfades
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XMLNodeList crossfades = xml_playlist.children("Crossfade");
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for (XMLNodeIterator it = crossfades.begin(); it != crossfades.end(); ++it) {
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XMLProperty* in = (*it)->property("in");
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XMLProperty* out = (*it)->property("out");
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error << string_compose (X_("AudioPlaylistImporter (%1): did not find the \"in\" or \"out\" property from a crossfade"), name) << endmsg;
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handler.update_region_id (in);
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handler.update_region_id (out);
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// rate convert length and position
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XMLProperty* length = (*it)->property("length");
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length->set_value (rate_convert_samples (length->value()));
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XMLProperty* position = (*it)->property("position");
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position->set_value (rate_convert_samples (position->value()));
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playlist = PlaylistFactory::create (session, xml_playlist, false, true);
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AudioPlaylistImporter::set_diskstream (PBD::ID const & id)
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AudioPlaylistImporter::populate_region_list ()
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ElementImportHandler::ElementList elements;
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handler.get_regions (orig_node, elements);
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for (ElementImportHandler::ElementList::iterator it = elements.begin(); it != elements.end(); ++it) {
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regions.push_back (boost::dynamic_pointer_cast<AudioRegionImporter> (*it));
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UnusedAudioPlaylistImportHandler::get_info () const
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return _("Audio Playlists (unused)");