2 Copyright (C) 2011 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "libardour-config.h"
26 #include <glibmm/fileutils.h>
27 #include <glibmm/miscutils.h>
29 #include "pbd/error.h"
30 #include "pbd/convert.h"
31 #include "pbd/enumwriter.h"
33 #include "ardour/playlist.h"
34 #include "ardour/playlist_source.h"
35 #include "ardour/playlist_factory.h"
40 using namespace ARDOUR;
43 PlaylistSource::PlaylistSource (Session& s, const ID& orig, const std::string& name, boost::shared_ptr<Playlist> p, DataType type,
44 frameoffset_t begin, framecnt_t len, Source::Flag /*flags*/)
45 : Source (s, type, name)
49 /* PlaylistSources are never writable, renameable, removable or destructive */
50 _flags = Flag (_flags & ~(Writable|CanRename|Removable|RemovableIfEmpty|RemoveAtDestroy|Destructive));
53 _playlist_offset = begin;
54 _playlist_length = len;
56 _level = _playlist->max_source_level () + 1;
59 PlaylistSource::PlaylistSource (Session& s, const XMLNode& node)
60 : Source (s, DataType::AUDIO, "toBeRenamed")
62 /* PlaylistSources are never writable, renameable, removable or destructive */
63 _flags = Flag (_flags & ~(Writable|CanRename|Removable|RemovableIfEmpty|RemoveAtDestroy|Destructive));
66 if (set_state (node, Stateful::loading_state_version)) {
67 throw failed_constructor ();
71 PlaylistSource::~PlaylistSource ()
76 PlaylistSource::add_state (XMLNode& node)
80 _playlist->id().print (buf, sizeof (buf));
81 node.add_property ("playlist", buf);
82 snprintf (buf, sizeof (buf), "%" PRIi64, _playlist_offset);
83 node.add_property ("offset", buf);
84 snprintf (buf, sizeof (buf), "%" PRIu64, _playlist_length);
85 node.add_property ("length", buf);
86 node.add_property ("original", id().to_s());
88 node.add_child_nocopy (_playlist->get_state());
92 PlaylistSource::set_state (const XMLNode& node, int /*version*/)
94 /* check that we have a playlist ID */
96 const XMLProperty *prop = node.property (X_("playlist"));
99 error << _("No playlist ID in PlaylistSource XML!") << endmsg;
100 throw failed_constructor ();
103 /* create playlist from child node */
106 XMLNodeConstIterator niter;
108 nlist = node.children();
110 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
111 if ((*niter)->name() == "Playlist") {
112 _playlist = PlaylistFactory::create (_session, **niter, true, false);
118 error << _("Could not construct playlist for PlaylistSource from session data!") << endmsg;
119 throw failed_constructor ();
122 /* other properties */
124 if ((prop = node.property (X_("name"))) == 0) {
125 throw failed_constructor ();
128 set_name (prop->value());
130 if ((prop = node.property (X_("offset"))) == 0) {
131 throw failed_constructor ();
133 sscanf (prop->value().c_str(), "%" PRIi64, &_playlist_offset);
135 if ((prop = node.property (X_("length"))) == 0) {
136 throw failed_constructor ();
139 sscanf (prop->value().c_str(), "%" PRIu64, &_playlist_length);
141 /* XXX not quite sure why we set our ID back to the "original" one
142 here. october 2011, paul
145 if ((prop = node.property (X_("original"))) == 0) {
146 throw failed_constructor ();
149 set_id (prop->value());
151 _level = _playlist->max_source_level () + 1;