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/threads.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::Threads::Mutex::Lock lm (_analysis_lock);
170
Source::set_been_analysed (bool yn)
173
Glib::Threads::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 (framepos_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_add (&_use_count, -1);
297
cerr << "Bad use dec for " << name() << endl;
302
g_atomic_int_add (&_use_count, -1);
307
Source::writable () const
309
return (_flags & Writable) && _session.writable();