2 Copyright (C) 2002 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.
20 #include <boost/scoped_array.hpp>
22 #include "pbd/boost_debug.h"
23 #include "pbd/enumwriter.h"
24 #include "pbd/error.h"
26 #include "evoral/Curve.hpp"
28 #include "ardour/amp.h"
29 #include "ardour/audio_buffer.h"
30 #include "ardour/audio_diskstream.h"
31 #include "ardour/audio_track.h"
32 #include "ardour/audioplaylist.h"
33 #include "ardour/buffer_set.h"
34 #include "ardour/delivery.h"
35 #include "ardour/meter.h"
36 #include "ardour/playlist_factory.h"
37 #include "ardour/processor.h"
38 #include "ardour/region.h"
39 #include "ardour/region_factory.h"
40 #include "ardour/session.h"
41 #include "ardour/session_playlists.h"
42 #include "ardour/source.h"
43 #include "ardour/utils.h"
48 using namespace ARDOUR;
51 AudioTrack::AudioTrack (Session& sess, string name, Route::Flag flag, TrackMode mode)
52 : Track (sess, name, flag, mode)
56 AudioTrack::~AudioTrack ()
60 boost::shared_ptr<Diskstream>
61 AudioTrack::create_diskstream ()
63 AudioDiskstream::Flag dflags = AudioDiskstream::Flag (AudioDiskstream::Recordable);
65 if (_mode == Destructive) {
66 dflags = AudioDiskstream::Flag (dflags | AudioDiskstream::Destructive);
67 } else if (_mode == NonLayered){
68 dflags = AudioDiskstream::Flag(dflags | AudioDiskstream::NonLayered);
71 return boost::shared_ptr<AudioDiskstream> (new AudioDiskstream (_session, name(), dflags));
75 AudioTrack::set_diskstream (boost::shared_ptr<Diskstream> ds)
77 Track::set_diskstream (ds);
79 _diskstream->set_track (this);
80 _diskstream->set_destructive (_mode == Destructive);
81 _diskstream->set_non_layered (_mode == NonLayered);
83 if (audio_diskstream()->deprecated_io_node) {
85 if (!IO::connecting_legal) {
86 IO::ConnectingLegal.connect_same_thread (*this, boost::bind (&AudioTrack::deprecated_use_diskstream_connections, this));
88 deprecated_use_diskstream_connections ();
92 _diskstream->set_record_enabled (false);
93 _diskstream->request_input_monitoring (false);
95 DiskstreamChanged (); /* EMIT SIGNAL */
98 boost::shared_ptr<AudioDiskstream>
99 AudioTrack::audio_diskstream() const
101 return boost::dynamic_pointer_cast<AudioDiskstream>(_diskstream);
105 AudioTrack::set_mode (TrackMode m)
109 if (_diskstream->set_destructive (m == Destructive)) {
113 _diskstream->set_non_layered (m == NonLayered);
116 TrackModeChanged (); /* EMIT SIGNAL */
123 AudioTrack::can_use_mode (TrackMode m, bool& bounce_required)
128 bounce_required = false;
133 return _diskstream->can_become_destructive (bounce_required);
138 AudioTrack::deprecated_use_diskstream_connections ()
140 boost::shared_ptr<AudioDiskstream> diskstream = audio_diskstream();
142 if (diskstream->deprecated_io_node == 0) {
146 const XMLProperty* prop;
147 XMLNode& node (*diskstream->deprecated_io_node);
149 /* don't do this more than once. */
151 diskstream->deprecated_io_node = 0;
153 if ((prop = node.property ("gain")) != 0) {
154 _amp->set_gain (atof (prop->value().c_str()), this);
157 if ((prop = node.property ("input-connection")) != 0) {
158 boost::shared_ptr<Bundle> c = _session.bundle_by_name (prop->value());
161 error << string_compose(_("Unknown bundle \"%1\" listed for input of %2"), prop->value(), _name) << endmsg;
163 if ((c = _session.bundle_by_name (_("in 1"))) == 0) {
164 error << _("No input bundles available as a replacement")
168 info << string_compose (_("Bundle %1 was not available - \"in 1\" used instead"), prop->value())
173 _input->connect_ports_to_bundle (c, true, this);
175 } else if ((prop = node.property ("inputs")) != 0) {
176 if (_input->set_ports (prop->value())) {
177 error << string_compose(_("improper input channel list in XML node (%1)"), prop->value()) << endmsg;
186 AudioTrack::set_state (const XMLNode& node, int version)
188 const XMLProperty *prop;
190 if (Track::set_state (node, version)) {
194 if ((prop = node.property (X_("mode"))) != 0) {
195 _mode = TrackMode (string_2_enum (prop->value(), _mode));
200 pending_state = const_cast<XMLNode*> (&node);
202 if (_session.state_of_the_state() & Session::Loading) {
203 _session.StateReady.connect_same_thread (*this, boost::bind (&AudioTrack::set_state_part_two, this));
205 set_state_part_two ();
212 AudioTrack::state (bool full_state)
214 XMLNode& root (Track::state(full_state));
215 XMLNode* freeze_node;
218 if (_freeze_record.playlist) {
221 freeze_node = new XMLNode (X_("freeze-info"));
222 freeze_node->add_property ("playlist", _freeze_record.playlist->name());
223 freeze_node->add_property ("state", enum_2_string (_freeze_record.state));
225 for (vector<FreezeRecordProcessorInfo*>::iterator i = _freeze_record.processor_info.begin(); i != _freeze_record.processor_info.end(); ++i) {
226 inode = new XMLNode (X_("processor"));
227 (*i)->id.print (buf, sizeof (buf));
228 inode->add_property (X_("id"), buf);
229 inode->add_child_copy ((*i)->state);
231 freeze_node->add_child_nocopy (*inode);
234 root.add_child_nocopy (*freeze_node);
237 root.add_property (X_("mode"), enum_2_string (_mode));
243 AudioTrack::set_state_part_two ()
247 LocaleGuard lg (X_("POSIX"));
249 /* This is called after all session state has been restored but before
250 have been made ports and connections are established.
253 if (pending_state == 0) {
257 if ((fnode = find_named_node (*pending_state, X_("freeze-info"))) != 0) {
259 _freeze_record.state = Frozen;
261 for (vector<FreezeRecordProcessorInfo*>::iterator i = _freeze_record.processor_info.begin(); i != _freeze_record.processor_info.end(); ++i) {
264 _freeze_record.processor_info.clear ();
266 if ((prop = fnode->property (X_("playlist"))) != 0) {
267 boost::shared_ptr<Playlist> pl = _session.playlists->by_name (prop->value());
269 _freeze_record.playlist = boost::dynamic_pointer_cast<AudioPlaylist> (pl);
271 _freeze_record.playlist.reset ();
272 _freeze_record.state = NoFreeze;
277 if ((prop = fnode->property (X_("state"))) != 0) {
278 _freeze_record.state = FreezeState (string_2_enum (prop->value(), _freeze_record.state));
281 XMLNodeConstIterator citer;
282 XMLNodeList clist = fnode->children();
284 for (citer = clist.begin(); citer != clist.end(); ++citer) {
285 if ((*citer)->name() != X_("processor")) {
289 if ((prop = (*citer)->property (X_("id"))) == 0) {
293 FreezeRecordProcessorInfo* frii = new FreezeRecordProcessorInfo (*((*citer)->children().front()),
294 boost::shared_ptr<Processor>());
295 frii->id = prop->value ();
296 _freeze_record.processor_info.push_back (frii);
301 /** @param need_butler to be set to true if this track now needs the butler, otherwise it can be left alone
305 AudioTrack::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick, bool& need_butler)
307 Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
310 boost::shared_ptr<AudioDiskstream> diskstream = audio_diskstream();
311 framecnt_t playback_distance = diskstream->calculate_playback_distance(nframes);
312 if (can_internal_playback_seek(llabs(playback_distance))) {
313 /* TODO should declick */
314 internal_playback_seek(playback_distance);
319 framepos_t transport_frame;
320 boost::shared_ptr<AudioDiskstream> diskstream = audio_diskstream();
322 if (n_outputs().n_total() == 0 && _processors.empty()) {
328 if (_meter_point == MeterInput && (_monitoring & MonitorInput || _diskstream->record_enabled())) {
334 transport_frame = _session.transport_frame();
337 framecnt_t playback_distance;
339 if ((nframes = check_initial_delay (nframes, transport_frame)) == 0) {
341 /* need to do this so that the diskstream sets its
342 playback distance to zero, thus causing diskstream::commit
346 BufferSet bufs; /* empty set, no matter - nothing will happen */
348 dret = diskstream->process (bufs, transport_frame, 0, playback_distance, false);
349 need_butler = diskstream->commit (playback_distance);
354 _amp->apply_gain_automation(false);
356 BufferSet& bufs = _session.get_route_buffers (n_process_buffers ());
358 fill_buffers_with_input (bufs, _input, nframes);
360 if (_meter_point == MeterInput && (_monitoring & MonitorInput || _diskstream->record_enabled())) {
361 _meter->run (bufs, start_frame, end_frame, nframes, true);
364 if ((dret = diskstream->process (bufs, transport_frame, nframes, playback_distance, (monitoring_state() == MonitoringDisk))) != 0) {
365 need_butler = diskstream->commit (playback_distance);
370 process_output_buffers (bufs, start_frame, end_frame, nframes, declick, (!diskstream->record_enabled() && _session.transport_rolling()));
372 need_butler = diskstream->commit (playback_distance);
378 AudioTrack::export_stuff (BufferSet& buffers, framepos_t start, framecnt_t nframes,
379 boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export)
381 boost::scoped_array<gain_t> gain_buffer (new gain_t[nframes]);
382 boost::scoped_array<Sample> mix_buffer (new Sample[nframes]);
383 boost::shared_ptr<AudioDiskstream> diskstream = audio_diskstream();
385 Glib::Threads::RWLock::ReaderLock rlock (_processor_lock);
387 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(diskstream->playlist());
390 assert(buffers.count().n_audio() >= 1);
391 assert ((framecnt_t) buffers.get_audio(0).capacity() >= nframes);
393 if (apl->read (buffers.get_audio(0).data(), mix_buffer.get(), gain_buffer.get(), start, nframes) != nframes) {
398 Sample* b = buffers.get_audio(0).data();
399 BufferSet::audio_iterator bi = buffers.audio_begin();
401 for ( ; bi != buffers.audio_end(); ++bi, ++n) {
402 if (n < diskstream->n_channels().n_audio()) {
403 if (apl->read (bi->data(), mix_buffer.get(), gain_buffer.get(), start, nframes, n) != nframes) {
408 /* duplicate last across remaining buffers */
409 memcpy (bi->data(), b, sizeof (Sample) * nframes);
413 // If no processing is required, there's no need to go any further.
415 if (!endpoint && !include_endpoint) {
419 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
421 if (!include_endpoint && (*i) == endpoint) {
425 /* if we're not exporting, stop processing if we come across a routing processor.
428 if (!for_export && (*i)->does_routing()) {
432 /* even for export, don't run any processor that does routing.
434 oh, and don't bother with the peak meter either.
437 if (!(*i)->does_routing() && !boost::dynamic_pointer_cast<PeakMeter>(*i)) {
438 (*i)->run (buffers, start, start+nframes, nframes, true);
441 if ((*i) == endpoint) {
450 AudioTrack::bounceable (boost::shared_ptr<Processor> endpoint, bool include_endpoint) const
452 if (!endpoint && !include_endpoint) {
453 /* no processing - just read from the playlist and create new
454 files: always possible.
459 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
460 uint32_t naudio = n_inputs().n_audio();
462 for (ProcessorList::const_iterator r = _processors.begin(); r != _processors.end(); ++r) {
464 /* if we're not including the endpoint, potentially stop
465 right here before we test matching i/o valences.
468 if (!include_endpoint && (*r) == endpoint) {
472 /* ignore any processors that do routing, because we will not
473 * use them during a bounce/freeze/export operation.
476 if ((*r)->does_routing()) {
480 /* does the output from the last considered processor match the
484 if (naudio != (*r)->input_streams().n_audio()) {
488 /* we're including the endpoint - if we just hit it,
492 if ((*r) == endpoint) {
496 /* save outputs of this processor to test against inputs
500 naudio = (*r)->output_streams().n_audio();
506 boost::shared_ptr<Region>
507 AudioTrack::bounce (InterThreadInfo& itt)
509 return bounce_range (_session.current_start_frame(), _session.current_end_frame(), itt, main_outs(), false);
512 boost::shared_ptr<Region>
513 AudioTrack::bounce_range (framepos_t start, framepos_t end, InterThreadInfo& itt,
514 boost::shared_ptr<Processor> endpoint, bool include_endpoint)
516 vector<boost::shared_ptr<Source> > srcs;
517 return _session.write_one_track (*this, start, end, false, srcs, itt, endpoint, include_endpoint, false);
521 AudioTrack::freeze_me (InterThreadInfo& itt)
523 vector<boost::shared_ptr<Source> > srcs;
524 string new_playlist_name;
525 boost::shared_ptr<Playlist> new_playlist;
528 boost::shared_ptr<AudioDiskstream> diskstream = audio_diskstream();
530 if ((_freeze_record.playlist = boost::dynamic_pointer_cast<AudioPlaylist>(diskstream->playlist())) == 0) {
536 while (n < (UINT_MAX-1)) {
540 candidate = string_compose ("<F%2>%1", _freeze_record.playlist->name(), n);
542 if (_session.playlists->by_name (candidate) == 0) {
543 new_playlist_name = candidate;
551 if (n == (UINT_MAX-1)) {
552 error << string_compose (X_("There are too many frozen versions of playlist \"%1\""
553 " to create another one"), _freeze_record.playlist->name())
558 boost::shared_ptr<Region> res;
560 if ((res = _session.write_one_track (*this, _session.current_start_frame(), _session.current_end_frame(), true, srcs, itt,
561 main_outs(), false, false)) == 0) {
565 _freeze_record.processor_info.clear ();
568 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
570 for (ProcessorList::iterator r = _processors.begin(); r != _processors.end(); ++r) {
572 if (!(*r)->does_routing() && !boost::dynamic_pointer_cast<PeakMeter>(*r)) {
574 FreezeRecordProcessorInfo* frii = new FreezeRecordProcessorInfo ((*r)->get_state(), (*r));
576 frii->id = (*r)->id();
578 _freeze_record.processor_info.push_back (frii);
580 /* now deactivate the processor */
585 _session.set_dirty ();
589 new_playlist = PlaylistFactory::create (DataType::AUDIO, _session, new_playlist_name, false);
591 /* XXX need main outs automation state _freeze_record.pan_automation_state = _mainpanner->automation_state(); */
593 region_name = new_playlist_name;
595 /* create a new region from all filesources, keep it private */
599 plist.add (Properties::start, 0);
600 plist.add (Properties::length, srcs[0]->length(srcs[0]->timeline_position()));
601 plist.add (Properties::name, region_name);
602 plist.add (Properties::whole_file, true);
604 boost::shared_ptr<Region> region (RegionFactory::create (srcs, plist, false));
606 new_playlist->set_orig_track_id (id());
607 new_playlist->add_region (region, _session.current_start_frame());
608 new_playlist->set_frozen (true);
609 region->set_locked (true);
611 diskstream->use_playlist (boost::dynamic_pointer_cast<AudioPlaylist>(new_playlist));
612 diskstream->set_record_enabled (false);
614 /* reset stuff that has already been accounted for in the freeze process */
616 set_gain (1.0, this);
617 _amp->gain_control()->set_automation_state (Off);
618 /* XXX need to use _main_outs _panner->set_automation_state (Off); */
620 _freeze_record.state = Frozen;
621 FreezeChange(); /* EMIT SIGNAL */
625 AudioTrack::unfreeze ()
627 if (_freeze_record.playlist) {
628 audio_diskstream()->use_playlist (_freeze_record.playlist);
631 Glib::Threads::RWLock::ReaderLock lm (_processor_lock); // should this be a write lock? jlc
632 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
633 for (vector<FreezeRecordProcessorInfo*>::iterator ii = _freeze_record.processor_info.begin(); ii != _freeze_record.processor_info.end(); ++ii) {
634 if ((*ii)->id == (*i)->id()) {
635 (*i)->set_state (((*ii)->state), Stateful::current_state_version);
642 _freeze_record.playlist.reset ();
643 /* XXX need to use _main_outs _panner->set_automation_state (_freeze_record.pan_automation_state); */
646 _freeze_record.state = UnFrozen;
647 FreezeChange (); /* EMIT SIGNAL */
650 boost::shared_ptr<AudioFileSource>
651 AudioTrack::write_source (uint32_t n)
653 boost::shared_ptr<AudioDiskstream> ds = boost::dynamic_pointer_cast<AudioDiskstream> (_diskstream);
655 return ds->write_source (n);
658 boost::shared_ptr<Diskstream>
659 AudioTrack::diskstream_factory (XMLNode const & node)
661 return boost::shared_ptr<Diskstream> (new AudioDiskstream (_session, node));