155 lines
4.0 KiB
C++
155 lines
4.0 KiB
C++
/*
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Copyright (C) 2011 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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#ifdef WAF_BUILD
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#include "libardour-config.h"
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#endif
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#include <vector>
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#include <cstdio>
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#include <glibmm/fileutils.h>
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#include <glibmm/miscutils.h>
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#include "pbd/error.h"
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#include "pbd/convert.h"
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#include "pbd/enumwriter.h"
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#include "ardour/playlist.h"
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#include "ardour/playlist_source.h"
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#include "ardour/playlist_factory.h"
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#include "pbd/i18n.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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PlaylistSource::PlaylistSource (Session& s, const ID& orig, const std::string& name, boost::shared_ptr<Playlist> p, DataType type,
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frameoffset_t begin, framecnt_t len, Source::Flag /*flags*/)
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: Source (s, type, name)
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, _playlist (p)
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, _original (orig)
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{
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/* PlaylistSources are never writable, renameable, removable or destructive */
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_flags = Flag (_flags & ~(Writable|CanRename|Removable|RemovableIfEmpty|RemoveAtDestroy|Destructive));
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_playlist = p;
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_playlist_offset = begin;
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_playlist_length = len;
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_level = _playlist->max_source_level () + 1;
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}
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PlaylistSource::PlaylistSource (Session& s, const XMLNode& node)
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: Source (s, DataType::AUDIO, "toBeRenamed")
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{
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/* PlaylistSources are never writable, renameable, removable or destructive */
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_flags = Flag (_flags & ~(Writable|CanRename|Removable|RemovableIfEmpty|RemoveAtDestroy|Destructive));
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if (set_state (node, Stateful::loading_state_version)) {
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throw failed_constructor ();
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}
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}
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PlaylistSource::~PlaylistSource ()
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{
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}
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void
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PlaylistSource::add_state (XMLNode& node)
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{
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char buf[64];
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_playlist->id().print (buf, sizeof (buf));
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node.add_property ("playlist", buf);
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snprintf (buf, sizeof (buf), "%" PRIi64, _playlist_offset);
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node.add_property ("offset", buf);
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snprintf (buf, sizeof (buf), "%" PRIu64, _playlist_length);
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node.add_property ("length", buf);
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node.add_property ("original", id().to_s());
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node.add_child_nocopy (_playlist->get_state());
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}
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int
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PlaylistSource::set_state (const XMLNode& node, int /*version*/)
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{
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/* check that we have a playlist ID */
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XMLProperty const * prop = node.property (X_("playlist"));
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if (!prop) {
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error << _("No playlist ID in PlaylistSource XML!") << endmsg;
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throw failed_constructor ();
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}
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/* create playlist from child node */
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XMLNodeList nlist;
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XMLNodeConstIterator niter;
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nlist = node.children();
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for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
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if ((*niter)->name() == "Playlist") {
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_playlist = PlaylistFactory::create (_session, **niter, true, false);
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break;
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}
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}
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if (!_playlist) {
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error << _("Could not construct playlist for PlaylistSource from session data!") << endmsg;
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throw failed_constructor ();
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}
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/* other properties */
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if ((prop = node.property (X_("name"))) == 0) {
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throw failed_constructor ();
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}
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set_name (prop->value());
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if ((prop = node.property (X_("offset"))) == 0) {
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throw failed_constructor ();
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}
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sscanf (prop->value().c_str(), "%" PRIi64, &_playlist_offset);
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if ((prop = node.property (X_("length"))) == 0) {
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throw failed_constructor ();
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}
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sscanf (prop->value().c_str(), "%" PRIu64, &_playlist_length);
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/* XXX not quite sure why we set our ID back to the "original" one
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here. october 2011, paul
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*/
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if ((prop = node.property (X_("original"))) == 0) {
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throw failed_constructor ();
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}
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set_id (prop->value());
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_level = _playlist->max_source_level () + 1;
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return 0;
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}
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