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/enumwriter.h"
23 #include "pbd/error.h"
25 #include "evoral/Curve.hpp"
27 #include "ardour/amp.h"
28 #include "ardour/audio_buffer.h"
29 #include "ardour/audio_track.h"
30 #include "ardour/audioplaylist.h"
31 #include "ardour/boost_debug.h"
32 #include "ardour/buffer_set.h"
33 #include "ardour/delivery.h"
34 #include "ardour/disk_reader.h"
35 #include "ardour/disk_writer.h"
36 #include "ardour/meter.h"
37 #include "ardour/monitor_control.h"
38 #include "ardour/playlist_factory.h"
39 #include "ardour/processor.h"
40 #include "ardour/profile.h"
41 #include "ardour/region.h"
42 #include "ardour/region_factory.h"
43 #include "ardour/session.h"
44 #include "ardour/session_playlists.h"
45 #include "ardour/source.h"
46 #include "ardour/types_convert.h"
47 #include "ardour/utils.h"
52 using namespace ARDOUR;
55 AudioTrack::AudioTrack (Session& sess, string name, TrackMode mode)
56 : Track (sess, name, PresentationInfo::AudioTrack, mode)
60 AudioTrack::~AudioTrack ()
62 if (_freeze_record.playlist && !_session.deletion_in_progress()) {
63 _freeze_record.playlist->release();
67 #ifdef XXX_OLD_DESTRUCTIVE_API_XXX
69 AudioTrack::set_mode (TrackMode m)
73 if (!Profile->get_trx() && _diskstream->set_destructive (m == Destructive)) {
77 _diskstream->set_non_layered (m == NonLayered);
80 TrackModeChanged (); /* EMIT SIGNAL */
87 AudioTrack::can_use_mode (TrackMode m, bool& bounce_required)
92 bounce_required = false;
96 if (Profile->get_trx()) {
99 return _diskstream->can_become_destructive (bounce_required);
110 AudioTrack::set_state (const XMLNode& node, int version)
112 if (!node.get_property (X_("mode"), _mode)) {
116 if (Profile->get_trx() && _mode == Destructive) {
117 /* Tracks does not support destructive tracks and trying to
118 handle it as a normal track would be wrong.
120 error << string_compose (_("%1: this session uses destructive tracks, which are not supported"), PROGRAM_NAME) << endmsg;
124 if (Track::set_state (node, version)) {
128 pending_state = const_cast<XMLNode*> (&node);
130 if (_session.state_of_the_state() & Session::Loading) {
131 _session.StateReady.connect_same_thread (*this, boost::bind (&AudioTrack::set_state_part_two, this));
133 set_state_part_two ();
140 AudioTrack::state (bool full_state)
142 XMLNode& root (Track::state(full_state));
143 XMLNode* freeze_node;
145 if (_freeze_record.playlist) {
148 freeze_node = new XMLNode (X_("freeze-info"));
149 freeze_node->set_property ("playlist", _freeze_record.playlist->name());
150 freeze_node->set_property ("state", _freeze_record.state);
152 for (vector<FreezeRecordProcessorInfo*>::iterator i = _freeze_record.processor_info.begin(); i != _freeze_record.processor_info.end(); ++i) {
153 inode = new XMLNode (X_("processor"));
154 inode->set_property (X_ ("id"), (*i)->id.to_s ());
155 inode->add_child_copy ((*i)->state);
157 freeze_node->add_child_nocopy (*inode);
160 root.add_child_nocopy (*freeze_node);
163 root.set_property (X_("mode"), _mode);
169 AudioTrack::set_state_part_two ()
172 XMLProperty const * prop;
174 /* This is called after all session state has been restored but before
175 have been made ports and connections are established.
178 if (pending_state == 0) {
182 if ((fnode = find_named_node (*pending_state, X_("freeze-info"))) != 0) {
184 _freeze_record.state = Frozen;
186 for (vector<FreezeRecordProcessorInfo*>::iterator i = _freeze_record.processor_info.begin(); i != _freeze_record.processor_info.end(); ++i) {
189 _freeze_record.processor_info.clear ();
191 if ((prop = fnode->property (X_("playlist"))) != 0) {
192 boost::shared_ptr<Playlist> pl = _session.playlists->by_name (prop->value());
194 _freeze_record.playlist = boost::dynamic_pointer_cast<AudioPlaylist> (pl);
195 _freeze_record.playlist->use();
197 _freeze_record.playlist.reset ();
198 _freeze_record.state = NoFreeze;
203 fnode->get_property (X_("state"), _freeze_record.state);
205 XMLNodeConstIterator citer;
206 XMLNodeList clist = fnode->children();
208 for (citer = clist.begin(); citer != clist.end(); ++citer) {
209 if ((*citer)->name() != X_("processor")) {
213 if ((prop = (*citer)->property (X_("id"))) == 0) {
217 FreezeRecordProcessorInfo* frii = new FreezeRecordProcessorInfo (*((*citer)->children().front()),
218 boost::shared_ptr<Processor>());
219 frii->id = prop->value ();
220 _freeze_record.processor_info.push_back (frii);
226 AudioTrack::export_stuff (BufferSet& buffers, samplepos_t start, samplecnt_t nframes,
227 boost::shared_ptr<Processor> endpoint, bool include_endpoint, bool for_export, bool for_freeze)
229 boost::scoped_array<gain_t> gain_buffer (new gain_t[nframes]);
230 boost::scoped_array<Sample> mix_buffer (new Sample[nframes]);
232 Glib::Threads::RWLock::ReaderLock rlock (_processor_lock);
234 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(playlist());
237 assert(buffers.count().n_audio() >= 1);
238 assert ((samplecnt_t) buffers.get_audio(0).capacity() >= nframes);
240 if (apl->read (buffers.get_audio(0).data(), mix_buffer.get(), gain_buffer.get(), start, nframes) != nframes) {
245 Sample* b = buffers.get_audio(0).data();
246 BufferSet::audio_iterator bi = buffers.audio_begin();
248 for ( ; bi != buffers.audio_end(); ++bi, ++n) {
249 if (n < _disk_reader->output_streams().n_audio()) {
250 if (apl->read (bi->data(), mix_buffer.get(), gain_buffer.get(), start, nframes, n) != nframes) {
255 /* duplicate last across remaining buffers */
256 memcpy (bi->data(), b, sizeof (Sample) * nframes);
260 bounce_process (buffers, start, nframes, endpoint, include_endpoint, for_export, for_freeze);
266 AudioTrack::bounceable (boost::shared_ptr<Processor> endpoint, bool include_endpoint) const
268 if (!endpoint && !include_endpoint) {
269 /* no processing - just read from the playlist and create new
270 files: always possible.
275 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
276 uint32_t naudio = n_inputs().n_audio();
278 for (ProcessorList::const_iterator r = _processors.begin(); r != _processors.end(); ++r) {
280 /* if we're not including the endpoint, potentially stop
281 right here before we test matching i/o valences.
284 if (!include_endpoint && (*r) == endpoint) {
288 /* ignore any processors that do routing, because we will not
289 * use them during a bounce/freeze/export operation.
292 if ((*r)->does_routing()) {
296 /* does the output from the last considered processor match the
300 if (naudio != (*r)->input_streams().n_audio()) {
304 /* we're including the endpoint - if we just hit it,
308 if ((*r) == endpoint) {
312 /* save outputs of this processor to test against inputs
316 naudio = (*r)->output_streams().n_audio();
322 boost::shared_ptr<Region>
323 AudioTrack::bounce (InterThreadInfo& itt)
325 return bounce_range (_session.current_start_sample(), _session.current_end_sample(), itt, main_outs(), false);
328 boost::shared_ptr<Region>
329 AudioTrack::bounce_range (samplepos_t start, samplepos_t end, InterThreadInfo& itt,
330 boost::shared_ptr<Processor> endpoint, bool include_endpoint)
332 vector<boost::shared_ptr<Source> > srcs;
333 return _session.write_one_track (*this, start, end, false, srcs, itt, endpoint, include_endpoint, false, false);
337 AudioTrack::freeze_me (InterThreadInfo& itt)
339 vector<boost::shared_ptr<Source> > srcs;
340 string new_playlist_name;
341 boost::shared_ptr<Playlist> new_playlist;
345 if ((_freeze_record.playlist = boost::dynamic_pointer_cast<AudioPlaylist>(playlist())) == 0) {
351 while (n < (UINT_MAX-1)) {
355 candidate = string_compose ("<F%2>%1", _freeze_record.playlist->name(), n);
357 if (_session.playlists->by_name (candidate) == 0) {
358 new_playlist_name = candidate;
366 if (n == (UINT_MAX-1)) {
367 error << string_compose (X_("There are too many frozen versions of playlist \"%1\""
368 " to create another one"), _freeze_record.playlist->name())
373 boost::shared_ptr<Region> res;
375 if ((res = _session.write_one_track (*this, _session.current_start_sample(), _session.current_end_sample(),
376 true, srcs, itt, main_outs(), false, false, true)) == 0) {
380 _freeze_record.processor_info.clear ();
383 Glib::Threads::RWLock::ReaderLock lm (_processor_lock);
385 for (ProcessorList::iterator r = _processors.begin(); r != _processors.end(); ++r) {
387 if ((*r)->does_routing() && (*r)->active()) {
390 if (!boost::dynamic_pointer_cast<PeakMeter>(*r)) {
392 FreezeRecordProcessorInfo* frii = new FreezeRecordProcessorInfo ((*r)->get_state(), (*r));
394 frii->id = (*r)->id();
396 _freeze_record.processor_info.push_back (frii);
398 /* now deactivate the processor, */
399 if (!boost::dynamic_pointer_cast<Amp>(*r)) {
404 _session.set_dirty ();
408 new_playlist = PlaylistFactory::create (DataType::AUDIO, _session, new_playlist_name, false);
410 /* XXX need main outs automation state _freeze_record.pan_automation_state = _mainpanner->automation_state(); */
412 region_name = new_playlist_name;
414 /* create a new region from all filesources, keep it private */
418 plist.add (Properties::start, 0);
419 plist.add (Properties::length, srcs[0]->length(srcs[0]->timeline_position()));
420 plist.add (Properties::name, region_name);
421 plist.add (Properties::whole_file, true);
423 boost::shared_ptr<Region> region (RegionFactory::create (srcs, plist, false));
425 new_playlist->set_orig_track_id (id());
426 new_playlist->add_region (region, _session.current_start_sample());
427 new_playlist->set_frozen (true);
428 region->set_locked (true);
430 use_playlist (DataType::AUDIO, boost::dynamic_pointer_cast<AudioPlaylist>(new_playlist));
431 _disk_writer->set_record_enabled (false);
433 _freeze_record.playlist->use(); // prevent deletion
435 /* reset stuff that has already been accounted for in the freeze process */
437 gain_control()->set_value (GAIN_COEFF_UNITY, Controllable::NoGroup);
438 gain_control()->set_automation_state (Off);
440 /* XXX need to use _main_outs _panner->set_automation_state (Off); */
442 _freeze_record.state = Frozen;
443 FreezeChange(); /* EMIT SIGNAL */
447 AudioTrack::unfreeze ()
449 if (_freeze_record.playlist) {
450 _freeze_record.playlist->release();
451 use_playlist (DataType::AUDIO, _freeze_record.playlist);
454 Glib::Threads::RWLock::ReaderLock lm (_processor_lock); // should this be a write lock? jlc
455 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
456 for (vector<FreezeRecordProcessorInfo*>::iterator ii = _freeze_record.processor_info.begin(); ii != _freeze_record.processor_info.end(); ++ii) {
457 if ((*ii)->id == (*i)->id()) {
458 (*i)->set_state (((*ii)->state), Stateful::current_state_version);
465 _freeze_record.playlist.reset ();
466 /* XXX need to use _main_outs _panner->set_automation_state (_freeze_record.pan_automation_state); */
469 _freeze_record.state = UnFrozen;
470 FreezeChange (); /* EMIT SIGNAL */
473 boost::shared_ptr<AudioFileSource>
474 AudioTrack::write_source (uint32_t n)
476 assert (_disk_writer);
477 return _disk_writer->audio_write_source (n);