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 ((prop
= node
.property ("id")) != 0) {
126 _id
= prop
->value ();
131 if ((prop
= node
.property ("type")) != 0) {
132 _type
= DataType(prop
->value());
135 if ((prop
= node
.property ("timestamp")) != 0) {
136 sscanf (prop
->value().c_str(), "%ld", &_timestamp
);
139 if ((prop
= node
.property (X_("flags"))) != 0) {
140 _flags
= Flag (string_2_enum (prop
->value(), _flags
));
146 /* old style, from the period when we had DestructiveFileSource */
147 if ((prop
= node
.property (X_("destructive"))) != 0) {
148 _flags
= Flag (_flags
| Destructive
);
151 if (version
< 3000) {
152 /* a source with an XML node must necessarily already exist,
153 and therefore cannot be removable/writable etc. etc.; 2.X
154 sometimes marks sources as removable which shouldn't be.
156 if (!(_flags
& Destructive
)) {
157 _flags
= Flag (_flags
& ~(Writable
|Removable
|RemovableIfEmpty
|RemoveAtDestroy
|CanRename
));
165 Source::has_been_analysed() const
167 Glib::Mutex::Lock
lm (_analysis_lock
);
172 Source::set_been_analysed (bool yn
)
175 Glib::Mutex::Lock
lm (_analysis_lock
);
180 load_transients (get_transients_path());
181 AnalysisChanged(); // EMIT SIGNAL
186 Source::load_transients (const string
& path
)
188 ifstream
file (path
.c_str());
199 while (file
.good()) {
203 framepos_t frame
= (framepos_t
) floor (val
* _session
.frame_rate());
204 transients
.push_back (frame
);
212 Source::get_transients_path () const
214 vector
<string
> parts
;
217 /* old sessions may not have the analysis directory */
219 _session
.ensure_subdirs ();
221 s
= _session
.analysis_dir ();
226 s
+= TransientDetector::operational_identifier();
229 return Glib::build_filename (parts
);
233 Source::check_for_analysis_data_on_disk ()
235 /* looks to see if the analysis files for this source are on disk.
236 if so, mark us already analysed.
239 string path
= get_transients_path ();
242 if (!Glib::file_test (path
, Glib::FILE_TEST_EXISTS
)) {
246 // XXX add other tests here as appropriate
248 set_been_analysed (ok
);
253 Source::mark_for_remove ()
255 // This operation is not allowed for sources for destructive tracks or out-of-session files.
257 /* XXX need a way to detect _within_session() condition here - move it from FileSource?
260 if ((_flags
& Destructive
)) {
264 _flags
= Flag (_flags
| Removable
| RemoveAtDestroy
);
268 Source::set_timeline_position (int64_t pos
)
270 _timeline_position
= pos
;
274 Source::set_allow_remove_if_empty (bool yn
)
281 _flags
= Flag (_flags
| RemovableIfEmpty
);
283 _flags
= Flag (_flags
& ~RemovableIfEmpty
);
288 Source::inc_use_count ()
290 g_atomic_int_inc (&_use_count
);
294 Source::dec_use_count ()
297 gint oldval
= g_atomic_int_exchange_and_add (&_use_count
, -1);
299 cerr
<< "Bad use dec for " << name() << endl
;
304 g_atomic_int_exchange_and_add (&_use_count
, -1);
309 Source::writable () const
311 return (_flags
& Writable
) && _session
.writable();