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;
49 Source::Source (Session& s, DataType type, const string& name, Flag flags)
50 : SessionObject(s, name)
53 , _timeline_position(0)
57 fix_writable_flags ();
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)
69 if (set_state (node, Stateful::loading_state_version) || _type == DataType::NIL) {
70 throw failed_constructor();
73 fix_writable_flags ();
78 DEBUG_TRACE (DEBUG::Destruction, string_compose ("Source %1 destructor\n", _name));
84 Source::fix_writable_flags ()
86 if (!_session.writable()) {
87 _flags = Flag (_flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy|CanRename));
94 XMLNode *node = new XMLNode ("Source");
97 node->add_property ("name", name());
98 node->add_property ("type", _type.to_string());
99 node->add_property (X_("flags"), enum_2_string (_flags));
100 _id.print (buf, sizeof (buf));
101 node->add_property ("id", buf);
103 if (_timestamp != 0) {
104 snprintf (buf, sizeof (buf), "%ld", _timestamp);
105 node->add_property ("timestamp", buf);
112 Source::set_state (const XMLNode& node, int /*version*/)
114 const XMLProperty* prop;
116 if ((prop = node.property ("name")) != 0) {
117 _name = prop->value();
122 if ((prop = node.property ("id")) != 0) {
123 _id = prop->value ();
128 if ((prop = node.property ("type")) != 0) {
129 _type = DataType(prop->value());
132 if ((prop = node.property ("timestamp")) != 0) {
133 sscanf (prop->value().c_str(), "%ld", &_timestamp);
136 if ((prop = node.property (X_("flags"))) != 0) {
137 _flags = Flag (string_2_enum (prop->value(), _flags));
143 /* old style, from the period when we had DestructiveFileSource */
144 if ((prop = node.property (X_("destructive"))) != 0) {
145 _flags = Flag (_flags | Destructive);
152 Source::has_been_analysed() const
154 Glib::Mutex::Lock lm (_analysis_lock);
159 Source::set_been_analysed (bool yn)
162 Glib::Mutex::Lock lm (_analysis_lock);
167 load_transients (get_transients_path());
168 AnalysisChanged(); // EMIT SIGNAL
173 Source::load_transients (const string& path)
175 ifstream file (path.c_str());
186 while (file.good()) {
190 nframes64_t frame = (nframes64_t) floor (val * _session.frame_rate());
191 transients.push_back (frame);
199 Source::get_transients_path () const
201 vector<string> parts;
204 /* old sessions may not have the analysis directory */
206 _session.ensure_subdirs ();
208 s = _session.analysis_dir ();
213 s += TransientDetector::operational_identifier();
216 return Glib::build_filename (parts);
220 Source::check_for_analysis_data_on_disk ()
222 /* looks to see if the analysis files for this source are on disk.
223 if so, mark us already analysed.
226 string path = get_transients_path ();
229 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
233 // XXX add other tests here as appropriate
235 set_been_analysed (ok);
240 Source::mark_for_remove ()
242 // This operation is not allowed for sources for destructive tracks or out-of-session files.
244 /* XXX need a way to detect _within_session() condition here - move it from FileSource?
247 if ((_flags & Destructive)) {
251 _flags = Flag (_flags | Removable | RemoveAtDestroy);
255 Source::set_timeline_position (int64_t pos)
257 _timeline_position = pos;
261 Source::set_allow_remove_if_empty (bool yn)
268 _flags = Flag (_flags | RemovableIfEmpty);
270 _flags = Flag (_flags & ~RemovableIfEmpty);