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/debug.h"
40 #include "ardour/session.h"
41 #include "ardour/source.h"
42 #include "ardour/transient_detector.h"
47 using namespace ARDOUR;
50 Source::Source (Session& s, DataType type, const string& name, Flag flags)
51 : SessionObject(s, name)
54 , _timeline_position(0)
60 fix_writable_flags ();
63 Source::Source (Session& s, const XMLNode& node)
64 : SessionObject(s, "unnamed source")
65 , _type(DataType::AUDIO)
66 , _flags (Flag (Writable|CanRename))
67 , _timeline_position(0)
74 if (set_state (node, Stateful::loading_state_version) || _type == DataType::NIL) {
75 throw failed_constructor();
78 fix_writable_flags ();
83 DEBUG_TRACE (DEBUG::Destruction, string_compose ("Source %1 destructor %2\n", _name, this));
87 Source::fix_writable_flags ()
89 if (!_session.writable()) {
90 _flags = Flag (_flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy|CanRename));
97 XMLNode *node = new XMLNode ("Source");
100 node->add_property ("name", name());
101 node->add_property ("type", _type.to_string());
102 node->add_property (X_("flags"), enum_2_string (_flags));
103 id().print (buf, sizeof (buf));
104 node->add_property ("id", buf);
106 if (_timestamp != 0) {
107 snprintf (buf, sizeof (buf), "%ld", _timestamp);
108 node->add_property ("timestamp", buf);
115 Source::set_state (const XMLNode& node, int version)
117 const XMLProperty* prop;
119 if ((prop = node.property ("name")) != 0) {
120 _name = prop->value();
125 if (!set_id (node)) {
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);
149 if (version < 3000) {
150 /* a source with an XML node must necessarily already exist,
151 and therefore cannot be removable/writable etc. etc.; 2.X
152 sometimes marks sources as removable which shouldn't be.
154 if (!(_flags & Destructive)) {
155 _flags = Flag (_flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy|CanRename));
163 Source::has_been_analysed() const
165 Glib::Mutex::Lock lm (_analysis_lock);
170 Source::set_been_analysed (bool yn)
173 Glib::Mutex::Lock lm (_analysis_lock);
178 load_transients (get_transients_path());
179 AnalysisChanged(); // EMIT SIGNAL
184 Source::load_transients (const string& path)
186 ifstream file (path.c_str());
197 while (file.good()) {
201 framepos_t frame = (framepos_t) floor (val * _session.frame_rate());
202 transients.push_back (frame);
210 Source::get_transients_path () const
212 vector<string> parts;
215 /* old sessions may not have the analysis directory */
217 _session.ensure_subdirs ();
219 s = _session.analysis_dir ();
224 s += TransientDetector::operational_identifier();
227 return Glib::build_filename (parts);
231 Source::check_for_analysis_data_on_disk ()
233 /* looks to see if the analysis files for this source are on disk.
234 if so, mark us already analysed.
237 string path = get_transients_path ();
240 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
244 // XXX add other tests here as appropriate
246 set_been_analysed (ok);
251 Source::mark_for_remove ()
253 // This operation is not allowed for sources for destructive tracks or out-of-session files.
255 /* XXX need a way to detect _within_session() condition here - move it from FileSource?
258 if ((_flags & Destructive)) {
262 _flags = Flag (_flags | Removable | RemoveAtDestroy);
266 Source::set_timeline_position (int64_t pos)
268 _timeline_position = pos;
272 Source::set_allow_remove_if_empty (bool yn)
279 _flags = Flag (_flags | RemovableIfEmpty);
281 _flags = Flag (_flags & ~RemovableIfEmpty);
286 Source::inc_use_count ()
288 g_atomic_int_inc (&_use_count);
292 Source::dec_use_count ()
295 gint oldval = g_atomic_int_exchange_and_add (&_use_count, -1);
297 cerr << "Bad use dec for " << name() << endl;
302 g_atomic_int_exchange_and_add (&_use_count, -1);
307 Source::writable () const
309 return (_flags & Writable) && _session.writable();