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)
60 Source::Source (Session& s, const XMLNode& node)
61 : SessionObject(s, "unnamed source")
62 , _type(DataType::AUDIO)
63 , _flags (Flag (Writable|CanRename))
64 , _timeline_position(0)
70 if (set_state (node) || _type == DataType::NIL) {
71 throw failed_constructor();
83 XMLNode *node = new XMLNode ("Source");
86 node->add_property ("name", name());
87 node->add_property ("type", _type.to_string());
88 node->add_property (X_("flags"), enum_2_string (_flags));
89 _id.print (buf, sizeof (buf));
90 node->add_property ("id", buf);
92 if (_timestamp != 0) {
93 snprintf (buf, sizeof (buf), "%ld", _timestamp);
94 node->add_property ("timestamp", buf);
101 Source::set_state (const XMLNode& node)
103 const XMLProperty* prop;
105 if ((prop = node.property ("name")) != 0) {
106 _name = prop->value();
111 if ((prop = node.property ("id")) != 0) {
112 _id = prop->value ();
117 if ((prop = node.property ("type")) != 0) {
118 _type = DataType(prop->value());
121 if ((prop = node.property ("timestamp")) != 0) {
122 sscanf (prop->value().c_str(), "%ld", &_timestamp);
125 if ((prop = node.property (X_("flags"))) != 0) {
126 _flags = Flag (string_2_enum (prop->value(), _flags));
132 /* old style, from the period when we had DestructiveFileSource */
133 if ((prop = node.property (X_("destructive"))) != 0) {
134 _flags = Flag (_flags | Destructive);
141 Source::add_playlist (boost::shared_ptr<Playlist> pl)
143 std::pair<PlaylistMap::iterator,bool> res;
144 std::pair<boost::shared_ptr<Playlist>, uint32_t> newpair (pl, 1);
145 Glib::Mutex::Lock lm (_playlist_lock);
147 res = _playlists.insert (newpair);
150 /* it already existed, bump count */
154 pl->GoingAway.connect (bind (
155 mem_fun (*this, &Source::remove_playlist),
156 boost::weak_ptr<Playlist> (pl)));
160 Source::remove_playlist (boost::weak_ptr<Playlist> wpl)
162 boost::shared_ptr<Playlist> pl (wpl.lock());
168 PlaylistMap::iterator x;
169 Glib::Mutex::Lock lm (_playlist_lock);
171 if ((x = _playlists.find (pl)) != _playlists.end()) {
175 _playlists.erase (x);
181 Source::used () const
183 return _playlists.size();
187 Source::has_been_analysed() const
189 Glib::Mutex::Lock lm (_analysis_lock);
194 Source::set_been_analysed (bool yn)
197 Glib::Mutex::Lock lm (_analysis_lock);
202 load_transients (get_transients_path());
203 AnalysisChanged(); // EMIT SIGNAL
208 Source::load_transients (const string& path)
210 ifstream file (path.c_str());
221 while (file.good()) {
225 nframes64_t frame = (nframes64_t) floor (val * _session.frame_rate());
226 transients.push_back (frame);
234 Source::get_transients_path () const
236 vector<string> parts;
239 /* old sessions may not have the analysis directory */
241 _session.ensure_subdirs ();
243 s = _session.analysis_dir ();
248 s += TransientDetector::operational_identifier();
251 return Glib::build_filename (parts);
255 Source::check_for_analysis_data_on_disk ()
257 /* looks to see if the analysis files for this source are on disk.
258 if so, mark us already analysed.
261 string path = get_transients_path ();
264 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
268 // XXX add other tests here as appropriate
270 set_been_analysed (ok);
275 Source::mark_for_remove ()
277 // This operation is not allowed for sources for destructive tracks or embedded files.
278 // Fortunately mark_for_remove() is never called for embedded files. This function
279 // must be fixed if that ever happens.
280 if (_flags & Destructive) {
284 _flags = Flag (_flags | Removable | RemoveAtDestroy);
288 Source::set_timeline_position (int64_t pos)
290 _timeline_position = pos;
294 Source::set_allow_remove_if_empty (bool yn)
301 _flags = Flag (_flags | RemovableIfEmpty);
303 _flags = Flag (_flags & ~RemovableIfEmpty);