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)
58 fix_writable_flags ();
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)
71 if (set_state (node, Stateful::loading_state_version) || _type == DataType::NIL) {
72 throw failed_constructor();
75 fix_writable_flags ();
85 Source::fix_writable_flags ()
87 if (!_session.writable()) {
88 _flags = Flag (_flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy|CanRename));
95 XMLNode *node = new XMLNode ("Source");
98 node->add_property ("name", name());
99 node->add_property ("type", _type.to_string());
100 node->add_property (X_("flags"), enum_2_string (_flags));
101 _id.print (buf, sizeof (buf));
102 node->add_property ("id", buf);
104 if (_timestamp != 0) {
105 snprintf (buf, sizeof (buf), "%ld", _timestamp);
106 node->add_property ("timestamp", buf);
113 Source::set_state (const XMLNode& node, int /*version*/)
115 const XMLProperty* prop;
117 if ((prop = node.property ("name")) != 0) {
118 _name = prop->value();
123 if ((prop = node.property ("id")) != 0) {
124 _id = prop->value ();
129 if ((prop = node.property ("type")) != 0) {
130 _type = DataType(prop->value());
133 if ((prop = node.property ("timestamp")) != 0) {
134 sscanf (prop->value().c_str(), "%ld", &_timestamp);
137 if ((prop = node.property (X_("flags"))) != 0) {
138 _flags = Flag (string_2_enum (prop->value(), _flags));
144 /* old style, from the period when we had DestructiveFileSource */
145 if ((prop = node.property (X_("destructive"))) != 0) {
146 _flags = Flag (_flags | Destructive);
153 Source::add_playlist (boost::shared_ptr<Playlist> pl)
155 std::pair<PlaylistMap::iterator,bool> res;
156 std::pair<boost::shared_ptr<Playlist>, uint32_t> newpair (pl, 1);
157 Glib::Mutex::Lock lm (_playlist_lock);
159 res = _playlists.insert (newpair);
162 /* it already existed, bump count */
166 pl->GoingAway.connect (bind (
167 mem_fun (*this, &Source::remove_playlist),
168 boost::weak_ptr<Playlist> (pl)));
172 Source::remove_playlist (boost::weak_ptr<Playlist> wpl)
174 boost::shared_ptr<Playlist> pl (wpl.lock());
180 PlaylistMap::iterator x;
181 Glib::Mutex::Lock lm (_playlist_lock);
183 if ((x = _playlists.find (pl)) != _playlists.end()) {
187 _playlists.erase (x);
193 Source::used () const
195 return _playlists.size();
199 Source::has_been_analysed() const
201 Glib::Mutex::Lock lm (_analysis_lock);
206 Source::set_been_analysed (bool yn)
209 Glib::Mutex::Lock lm (_analysis_lock);
214 load_transients (get_transients_path());
215 AnalysisChanged(); // EMIT SIGNAL
220 Source::load_transients (const string& path)
222 ifstream file (path.c_str());
233 while (file.good()) {
237 nframes64_t frame = (nframes64_t) floor (val * _session.frame_rate());
238 transients.push_back (frame);
246 Source::get_transients_path () const
248 vector<string> parts;
251 /* old sessions may not have the analysis directory */
253 _session.ensure_subdirs ();
255 s = _session.analysis_dir ();
260 s += TransientDetector::operational_identifier();
263 return Glib::build_filename (parts);
267 Source::check_for_analysis_data_on_disk ()
269 /* looks to see if the analysis files for this source are on disk.
270 if so, mark us already analysed.
273 string path = get_transients_path ();
276 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
280 // XXX add other tests here as appropriate
282 set_been_analysed (ok);
287 Source::mark_for_remove ()
289 // This operation is not allowed for sources for destructive tracks or embedded files.
290 // Fortunately mark_for_remove() is never called for embedded files. This function
291 // must be fixed if that ever happens.
292 if (_flags & Destructive) {
296 _flags = Flag (_flags | Removable | RemoveAtDestroy);
300 Source::set_timeline_position (int64_t pos)
302 _timeline_position = pos;
306 Source::set_allow_remove_if_empty (bool yn)
313 _flags = Flag (_flags | RemovableIfEmpty);
315 _flags = Flag (_flags & ~RemovableIfEmpty);