2 Copyright (C) 2000 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.
32 #include <glibmm/thread.h>
33 #include <glibmm/miscutils.h>
34 #include <glibmm/fileutils.h>
35 #include <pbd/xml++.h>
36 #include <pbd/pthread_utils.h>
37 #include <pbd/enumwriter.h>
39 #include <ardour/playlist.h>
40 #include <ardour/session.h>
41 #include <ardour/source.h>
42 #include <ardour/transient_detector.h>
47 using namespace ARDOUR;
49 Source::Source (Session& s, DataType type, const string& name, Flag flags)
50 : SessionObject(s, name)
53 , _timeline_position(0)
61 Source::Source (Session& s, const XMLNode& node)
62 : SessionObject(s, "unnamed source")
63 , _type(DataType::AUDIO)
64 , _flags (Flag (Writable|CanRename))
65 , _timeline_position(0)
72 if (set_state (node) || _type == DataType::NIL) {
73 throw failed_constructor();
85 XMLNode *node = new XMLNode ("Source");
88 node->add_property ("name", name());
89 node->add_property ("type", _type.to_string());
90 node->add_property (X_("flags"), enum_2_string (_flags));
91 _id.print (buf, sizeof (buf));
92 node->add_property ("id", buf);
94 if (_timestamp != 0) {
95 snprintf (buf, sizeof (buf), "%ld", _timestamp);
96 node->add_property ("timestamp", buf);
103 Source::set_state (const XMLNode& node)
105 const XMLProperty* prop;
107 if ((prop = node.property ("name")) != 0) {
108 _name = prop->value();
113 if ((prop = node.property ("id")) != 0) {
114 _id = prop->value ();
119 if ((prop = node.property ("type")) != 0) {
120 _type = DataType(prop->value());
123 if ((prop = node.property ("timestamp")) != 0) {
124 sscanf (prop->value().c_str(), "%ld", &_timestamp);
127 if ((prop = node.property (X_("flags"))) != 0) {
128 _flags = Flag (string_2_enum (prop->value(), _flags));
134 /* old style, from the period when we had DestructiveFileSource */
135 if ((prop = node.property (X_("destructive"))) != 0) {
136 _flags = Flag (_flags | Destructive);
143 Source::update_length (nframes_t pos, nframes_t cnt)
145 if (pos + cnt > _length) {
151 Source::add_playlist (boost::shared_ptr<Playlist> pl)
153 std::pair<PlaylistMap::iterator,bool> res;
154 std::pair<boost::shared_ptr<Playlist>, uint32_t> newpair (pl, 1);
155 Glib::Mutex::Lock lm (_playlist_lock);
157 res = _playlists.insert (newpair);
160 /* it already existed, bump count */
164 pl->GoingAway.connect (bind (
165 mem_fun (*this, &Source::remove_playlist),
166 boost::weak_ptr<Playlist> (pl)));
170 Source::remove_playlist (boost::weak_ptr<Playlist> wpl)
172 boost::shared_ptr<Playlist> pl (wpl.lock());
178 PlaylistMap::iterator x;
179 Glib::Mutex::Lock lm (_playlist_lock);
181 if ((x = _playlists.find (pl)) != _playlists.end()) {
185 _playlists.erase (x);
191 Source::used () const
193 return _playlists.size();
197 Source::has_been_analysed() const
199 Glib::Mutex::Lock lm (_analysis_lock);
204 Source::set_been_analysed (bool yn)
207 Glib::Mutex::Lock lm (_analysis_lock);
212 load_transients (get_transients_path());
213 AnalysisChanged(); // EMIT SIGNAL
218 Source::load_transients (const string& path)
220 ifstream file (path.c_str());
231 while (file.good()) {
235 nframes64_t frame = (nframes64_t) floor (val * _session.frame_rate());
236 transients.push_back (frame);
244 Source::get_transients_path () const
246 vector<string> parts;
249 /* old sessions may not have the analysis directory */
251 _session.ensure_subdirs ();
253 s = _session.analysis_dir ();
258 s += TransientDetector::operational_identifier();
261 return Glib::build_filename (parts);
265 Source::check_for_analysis_data_on_disk ()
267 /* looks to see if the analysis files for this source are on disk.
268 if so, mark us already analysed.
271 string path = get_transients_path ();
274 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
278 // XXX add other tests here as appropriate
280 set_been_analysed (ok);
285 Source::mark_for_remove ()
287 // This operation is not allowed for sources for destructive tracks or embedded files.
288 // Fortunately mark_for_remove() is never called for embedded files. This function
289 // must be fixed if that ever happens.
290 if (_flags & Destructive) {
294 _flags = Flag (_flags | Removable | RemoveAtDestroy);
298 Source::set_timeline_position (int64_t pos)
300 _timeline_position = pos;
304 Source::set_allow_remove_if_empty (bool yn)
311 _flags = Flag (_flags | RemovableIfEmpty);
313 _flags = Flag (_flags & ~RemovableIfEmpty);