2 Copyright (C) 2000-2006 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.
22 #include "libardour-config.h"
25 #include "pbd/boost_debug.h"
26 #include "pbd/error.h"
27 #include "pbd/convert.h"
28 #include "pbd/pthread_utils.h"
29 #include "pbd/stacktrace.h"
31 #include "ardour/audioplaylist.h"
32 #include "ardour/audio_playlist_source.h"
33 #include "ardour/midi_playlist.h"
34 #include "ardour/midi_playlist_source.h"
35 #include "ardour/source_factory.h"
36 #include "ardour/sndfilesource.h"
37 #include "ardour/silentfilesource.h"
38 #include "ardour/smf_source.h"
39 #include "ardour/session.h"
42 #include "ardour/coreaudiosource.h"
48 using namespace ARDOUR;
52 PBD::Signal1<void,boost::shared_ptr<Source> > SourceFactory::SourceCreated;
53 Glib::Cond* SourceFactory::PeaksToBuild;
54 Glib::StaticMutex SourceFactory::peak_building_lock = GLIBMM_STATIC_MUTEX_INIT;
55 std::list<boost::weak_ptr<AudioSource> > SourceFactory::files_with_peaks;
60 SessionEvent::create_per_thread_pool (X_("PeakFile Builder "), 64);
64 SourceFactory::peak_building_lock.lock ();
67 if (SourceFactory::files_with_peaks.empty()) {
68 SourceFactory::PeaksToBuild->wait (SourceFactory::peak_building_lock);
71 if (SourceFactory::files_with_peaks.empty()) {
75 boost::shared_ptr<AudioSource> as (SourceFactory::files_with_peaks.front().lock());
76 SourceFactory::files_with_peaks.pop_front ();
77 SourceFactory::peak_building_lock.unlock ();
83 as->setup_peakfile ();
88 SourceFactory::init ()
90 PeaksToBuild = new Glib::Cond();
92 for (int n = 0; n < 2; ++n) {
93 Glib::Thread::create (sigc::ptr_fun (::peak_thread_work), false);
98 SourceFactory::setup_peakfile (boost::shared_ptr<Source> s, bool async)
100 boost::shared_ptr<AudioSource> as (boost::dynamic_pointer_cast<AudioSource> (s));
106 Glib::Mutex::Lock lm (peak_building_lock);
107 files_with_peaks.push_back (boost::weak_ptr<AudioSource> (as));
108 PeaksToBuild->broadcast ();
112 if (as->setup_peakfile ()) {
113 error << string_compose("SourceFactory: could not set up peakfile for %1", as->name()) << endmsg;
122 boost::shared_ptr<Source>
123 SourceFactory::createSilent (Session& s, const XMLNode& node, framecnt_t nframes, float sr)
125 Source* src = new SilentFileSource (s, node, nframes, sr);
126 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
127 // boost_debug_shared_ptr_mark_interesting (src, "Source");
129 boost::shared_ptr<Source> ret (src);
130 // no analysis data - the file is non-existent
135 boost::shared_ptr<Source>
136 SourceFactory::create (Session& s, const XMLNode& node, bool defer_peaks)
138 DataType type = DataType::AUDIO;
139 const XMLProperty* prop = node.property("type");
142 type = DataType (prop->value());
145 if (type == DataType::AUDIO) {
147 /* it could be nested */
149 if (node.property ("playlist") != 0) {
152 boost::shared_ptr<AudioPlaylistSource> ap (new AudioPlaylistSource (s, node));
154 if (setup_peakfile (ap, true)) {
155 return boost::shared_ptr<Source>();
158 ap->check_for_analysis_data_on_disk ();
163 } catch (failed_constructor&) {
164 /* oh well, so much for that then ... */
171 Source* src = new SndFileSource (s, node);
172 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
173 // boost_debug_shared_ptr_mark_interesting (src, "Source");
175 boost::shared_ptr<Source> ret (src);
176 if (setup_peakfile (ret, defer_peaks)) {
177 return boost::shared_ptr<Source>();
179 ret->check_for_analysis_data_on_disk ();
184 catch (failed_constructor& err) {
186 #ifdef HAVE_COREAUDIO
188 /* this is allowed to throw */
190 Source *src = new CoreAudioSource (s, node);
191 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
192 // boost_debug_shared_ptr_mark_interesting (src, "Source");
194 boost::shared_ptr<Source> ret (src);
196 if (setup_peakfile (ret, defer_peaks)) {
197 return boost::shared_ptr<Source>();
200 ret->check_for_analysis_data_on_disk ();
208 } else if (type == DataType::MIDI) {
209 boost::shared_ptr<SMFSource> src (new SMFSource (s, node));
210 src->load_model (true, true);
211 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
212 // boost_debug_shared_ptr_mark_interesting (src, "Source");
214 src->check_for_analysis_data_on_disk ();
219 return boost::shared_ptr<Source>();
222 boost::shared_ptr<Source>
223 SourceFactory::createReadable (DataType type, Session& s, const string& path,
224 int chn, Source::Flag flags, bool announce, bool defer_peaks)
226 if (type == DataType::AUDIO) {
228 if (!(flags & Destructive)) {
232 Source* src = new SndFileSource (s, path, chn, flags);
233 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
234 // boost_debug_shared_ptr_mark_interesting (src, "Source");
236 boost::shared_ptr<Source> ret (src);
238 if (setup_peakfile (ret, defer_peaks)) {
239 return boost::shared_ptr<Source>();
242 ret->check_for_analysis_data_on_disk ();
249 catch (failed_constructor& err) {
250 #ifdef HAVE_COREAUDIO
252 Source* src = new CoreAudioSource (s, path, chn, flags);
253 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
254 // boost_debug_shared_ptr_mark_interesting (src, "Source");
256 boost::shared_ptr<Source> ret (src);
257 if (setup_peakfile (ret, defer_peaks)) {
258 return boost::shared_ptr<Source>();
260 ret->check_for_analysis_data_on_disk ();
275 } else if (type == DataType::MIDI) {
277 SMFSource* src = new SMFSource (s, path, SMFSource::Flag(0));
278 src->load_model (true, true);
279 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
280 // boost_debug_shared_ptr_mark_interesting (src, "Source");
282 boost::shared_ptr<Source> ret (src);
292 return boost::shared_ptr<Source>();
295 boost::shared_ptr<Source>
296 SourceFactory::createWritable (DataType type, Session& s, const std::string& path, const std::string& origin,
297 bool destructive, framecnt_t rate, bool announce, bool defer_peaks)
299 /* this might throw failed_constructor(), which is OK */
301 if (type == DataType::AUDIO) {
302 Source* src = new SndFileSource (s, path, origin,
303 s.config.get_native_file_data_format(),
304 s.config.get_native_file_header_format(),
307 ? Source::Flag (SndFileSource::default_writable_flags | Source::Destructive)
308 : SndFileSource::default_writable_flags));
309 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
310 // boost_debug_shared_ptr_mark_interesting (src, "Source");
312 boost::shared_ptr<Source> ret (src);
314 if (setup_peakfile (ret, defer_peaks)) {
315 return boost::shared_ptr<Source>();
318 // no analysis data - this is a new file
325 } else if (type == DataType::MIDI) {
326 // XXX writable flags should belong to MidiSource too
327 boost::shared_ptr<SMFSource> src (new SMFSource (s, path, SndFileSource::default_writable_flags));
328 assert (src->writable ());
330 src->load_model (true, true);
331 #ifdef BOOST_SP_ENABLE_DEBUG_HOOKS
332 // boost_debug_shared_ptr_mark_interesting (src, "Source");
335 // no analysis data - this is a new file
344 return boost::shared_ptr<Source> ();
347 boost::shared_ptr<Source>
348 SourceFactory::createFromPlaylist (DataType type, Session& s, boost::shared_ptr<Playlist> p, const PBD::ID& orig, const std::string& name,
349 uint32_t chn, frameoffset_t start, framecnt_t len, bool copy, bool defer_peaks)
351 if (type == DataType::AUDIO) {
354 boost::shared_ptr<AudioPlaylist> ap = boost::dynamic_pointer_cast<AudioPlaylist>(p);
359 ap.reset (new AudioPlaylist (ap, start, len, name, true));
363 Source* src = new AudioPlaylistSource (s, orig, name, ap, chn, start, len, Source::Flag (0));
364 boost::shared_ptr<Source> ret (src);
366 if (setup_peakfile (ret, defer_peaks)) {
367 return boost::shared_ptr<Source>();
370 ret->check_for_analysis_data_on_disk ();
376 catch (failed_constructor& err) {
377 /* relax - return at function scope */
380 } else if (type == DataType::MIDI) {
384 boost::shared_ptr<MidiPlaylist> ap = boost::dynamic_pointer_cast<MidiPlaylist>(p);
389 ap.reset (new MidiPlaylist (ap, start, len, name, true));
393 Source* src = new MidiPlaylistSource (s, orig, name, ap, chn, start, len, Source::Flag (0));
394 boost::shared_ptr<Source> ret (src);
401 catch (failed_constructor& err) {
402 /* relax - return at function scope */
407 return boost::shared_ptr<Source>();