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.
29 #include "pbd/gstdio_compat.h"
30 #include <glibmm/threads.h>
31 #include <glibmm/miscutils.h>
32 #include <glibmm/fileutils.h>
33 #include "pbd/xml++.h"
34 #include "pbd/pthread_utils.h"
35 #include "pbd/enumwriter.h"
37 #include "ardour/debug.h"
38 #include "ardour/profile.h"
39 #include "ardour/session.h"
40 #include "ardour/source.h"
41 #include "ardour/transient_detector.h"
46 using namespace ARDOUR;
49 Source::Source (Session& s, DataType type, const string& name, Flag flags)
50 : SessionObject(s, name)
53 , _timeline_position(0)
59 fix_writable_flags ();
62 Source::Source (Session& s, const XMLNode& node)
63 : SessionObject(s, "unnamed source")
64 , _type(DataType::AUDIO)
65 , _flags (Flag (Writable|CanRename))
66 , _timeline_position(0)
73 if (set_state (node, Stateful::loading_state_version) || _type == DataType::NIL) {
74 throw failed_constructor();
77 fix_writable_flags ();
82 DEBUG_TRACE (DEBUG::Destruction, string_compose ("Source %1 destructor %2\n", _name, this));
86 Source::fix_writable_flags ()
88 if (!_session.writable()) {
89 _flags = Flag (_flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy|CanRename));
96 XMLNode *node = new XMLNode ("Source");
99 node->add_property ("name", name());
100 node->add_property ("type", _type.to_string());
101 node->add_property (X_("flags"), enum_2_string (_flags));
102 id().print (buf, sizeof (buf));
103 node->add_property ("id", buf);
105 if (_timestamp != 0) {
106 snprintf (buf, sizeof (buf), "%ld", _timestamp);
107 node->add_property ("timestamp", buf);
114 Source::set_state (const XMLNode& node, int version)
116 XMLProperty const * prop;
118 if ((prop = node.property ("name")) != 0) {
119 _name = prop->value();
124 if (!set_id (node)) {
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);
148 if (Profile->get_trx() && (_flags & Destructive)) {
149 error << string_compose (_("%1: this session uses destructive tracks, which are not supported"), PROGRAM_NAME) << endmsg;
153 if (version < 3000) {
154 /* a source with an XML node must necessarily already exist,
155 and therefore cannot be removable/writable etc. etc.; 2.X
156 sometimes marks sources as removable which shouldn't be.
158 if (!(_flags & Destructive)) {
159 _flags = Flag (_flags & ~(Writable|Removable|RemovableIfEmpty|RemoveAtDestroy|CanRename));
167 Source::has_been_analysed() const
169 Glib::Threads::Mutex::Lock lm (_analysis_lock);
174 Source::set_been_analysed (bool yn)
177 if (0 == load_transients (get_transients_path())) {
181 if (yn != _analysed) {
182 Glib::Threads::Mutex::Lock lm (_analysis_lock);
185 AnalysisChanged(); // EMIT SIGNAL
189 Source::load_transients (const string& path)
193 if (! (tf = g_fopen (path.c_str (), "rb"))) {
198 while (!feof (tf) && !ferror(tf)) {
200 if (1 != fscanf (tf, "%lf", &val)) {
205 framepos_t frame = (framepos_t) floor (val * _session.frame_rate());
206 transients.push_back (frame);
214 Source::get_transients_path () const
216 vector<string> parts;
219 /* old sessions may not have the analysis directory */
221 _session.ensure_subdirs ();
223 s = _session.analysis_dir ();
228 s += TransientDetector::operational_identifier();
231 return Glib::build_filename (parts);
235 Source::check_for_analysis_data_on_disk ()
237 /* looks to see if the analysis files for this source are on disk.
238 if so, mark us already analysed.
241 string path = get_transients_path ();
244 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
248 // XXX add other tests here as appropriate
250 set_been_analysed (ok);
255 Source::mark_for_remove ()
257 // This operation is not allowed for sources for destructive tracks or out-of-session files.
259 /* XXX need a way to detect _within_session() condition here - move it from FileSource?
262 if ((_flags & Destructive)) {
266 _flags = Flag (_flags | Removable | RemoveAtDestroy);
270 Source::set_timeline_position (framepos_t pos)
272 _timeline_position = pos;
276 Source::set_allow_remove_if_empty (bool yn)
283 _flags = Flag (_flags | RemovableIfEmpty);
285 _flags = Flag (_flags & ~RemovableIfEmpty);
290 Source::inc_use_count ()
292 g_atomic_int_inc (&_use_count);
296 Source::dec_use_count ()
299 gint oldval = g_atomic_int_add (&_use_count, -1);
301 cerr << "Bad use dec for " << name() << endl;
306 g_atomic_int_add (&_use_count, -1);
311 Source::writable () const
313 return (_flags & Writable) && _session.writable();