2 Copyright (C) 2001 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 <glibmm/threads.h>
22 #include "pbd/error.h"
24 #include "ardour/amp.h"
25 #include "ardour/audioregion.h"
26 #include "ardour/audioengine.h"
27 #include "ardour/audioplaylist.h"
28 #include "ardour/auditioner.h"
29 #include "ardour/audio_port.h"
30 #include "ardour/data_type.h"
31 #include "ardour/delivery.h"
32 #include "ardour/plugin.h"
33 #include "ardour/region_factory.h"
34 #include "ardour/route.h"
35 #include "ardour/session.h"
38 using namespace ARDOUR;
43 Auditioner::Auditioner (Session& s)
44 : Track (s, "auditioner", Route::Auditioner)
50 , _seek_complete (false)
52 , _midi_audition (false)
53 , _synth_added (false)
54 , _synth_changed (false)
55 , _queue_panic (false)
70 _output->add_port ("Midiaudition", this, DataType::MIDI);
74 _output->changed.connect_same_thread (*this, boost::bind (&Auditioner::output_changed, this, _1, _2));
75 Config->ParameterChanged.connect_same_thread (*this, boost::bind (&Auditioner::config_changed, this, _1));
80 Auditioner::~Auditioner ()
85 Auditioner::lookup_synth ()
87 string plugin_id = Config->get_midi_audition_synth_uri();
88 asynth = boost::shared_ptr<Processor>();
89 if (!plugin_id.empty()) {
90 boost::shared_ptr<Plugin> p;
91 p = find_plugin (_session, plugin_id, ARDOUR::LV2);
93 p = find_plugin (_session, "https://community.ardour.org/node/7596", ARDOUR::LV2);
95 warning << _("Falling back to Reasonable Synth for Midi Audition") << endmsg;
97 warning << _("No synth for midi-audition found.") << endmsg;
101 asynth = boost::shared_ptr<Processor> (new PluginInsert (_session, p));
107 Auditioner::config_changed (std::string p)
109 if (p == "midi-audition-synth-uri") {
110 _synth_changed = true;
115 Auditioner::connect ()
117 string left = Config->get_auditioner_output_left();
118 string right = Config->get_auditioner_output_right();
120 vector<string> outputs;
121 _session.engine().get_physical_outputs (DataType::AUDIO, outputs);
125 if (left.empty() || left == "default") {
126 if (_session.monitor_out()) {
127 left = _session.monitor_out()->input()->audio (0)->name();
130 if (outputs.size() > 0) {
136 if (right.empty() || right == "default") {
137 if (_session.monitor_out()) {
138 right = _session.monitor_out()->input()->audio (1)->name();
141 if (outputs.size() > 1) {
147 _output->disconnect (this);
149 if (left.empty() && right.empty()) {
150 if (_output->n_ports().n_audio() == 0) {
151 /* ports not set up, so must be during startup */
152 warning << _("no outputs available for auditioner - manual connection required") << endmsg;
156 if (_output->n_ports().n_audio() == 0) {
158 /* create (and connect) new ports */
160 _main_outs->defer_pan_reset ();
163 _output->add_port (left, this, DataType::AUDIO);
166 if (right.length()) {
167 _output->add_port (right, this, DataType::AUDIO);
170 _main_outs->allow_pan_reset ();
171 _main_outs->reset_panner ();
175 /* reconnect existing ports */
177 boost::shared_ptr<Port> oleft (_output->nth (0));
178 boost::shared_ptr<Port> oright (_output->nth (1));
180 oleft->connect (left);
183 oright->connect (right);
194 Auditioner::data_type () const {
195 if (_midi_audition) {
196 return DataType::MIDI;
198 return DataType::AUDIO;
202 boost::shared_ptr<Diskstream>
203 Auditioner::create_diskstream () {
206 AudioDiskstream::Flag dflags = AudioDiskstream::Flag (0);
207 dflags = AudioDiskstream::Flag (dflags | AudioDiskstream::Hidden);
208 _diskstream_audio = boost::shared_ptr<AudioDiskstream> (new AudioDiskstream (_session, name(), dflags));
212 MidiDiskstream::Flag dflags = MidiDiskstream::Flag (0);
213 dflags = MidiDiskstream::Flag (dflags | MidiDiskstream::Hidden);
214 _diskstream_midi = boost::shared_ptr<Diskstream> (new MidiDiskstream (_session, name(), dflags));
215 _diskstream_midi->do_refill_with_alloc ();
216 _diskstream_midi->playlist()->set_orig_track_id (id());
219 return _diskstream_audio;
223 Auditioner::roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick, bool& need_butler) {
224 if (_midi_audition) {
225 return roll_midi(nframes, start_frame, end_frame, declick, need_butler);
227 return roll_audio(nframes, start_frame, end_frame, declick, need_butler);
232 Auditioner::roll_midi (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick, bool& need_butler)
234 Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
241 framecnt_t playback_distance = nframes;
242 boost::shared_ptr<MidiDiskstream> diskstream = midi_diskstream();
243 BufferSet& bufs = _session.get_route_buffers (n_process_buffers());
244 MidiBuffer& mbuf (bufs.get_midi (0));
247 ChanCount cnt (DataType::MIDI, 1);
248 cnt.set (DataType::AUDIO, bufs.count().n_audio());
249 bufs.set_count (cnt);
252 _queue_panic = false;
253 for (uint8_t chn = 0; chn < 0xf; ++chn) {
254 uint8_t buf[3] = { ((uint8_t) (MIDI_CMD_CONTROL | chn)), ((uint8_t) MIDI_CTL_SUSTAIN), 0 };
255 mbuf.push_back(0, 3, buf);
256 buf[1] = MIDI_CTL_ALL_NOTES_OFF;
257 mbuf.push_back(0, 3, buf);
258 buf[1] = MIDI_CTL_RESET_CONTROLLERS;
259 mbuf.push_back(0, 3, buf);
261 process_output_buffers (bufs, start_frame, start_frame+1, 1, false, false);
263 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
264 boost::shared_ptr<Delivery> d = boost::dynamic_pointer_cast<Delivery> (*i);
266 d->flush_buffers (nframes);
271 diskstream->get_playback (mbuf, nframes);
273 process_output_buffers (bufs, start_frame, end_frame, nframes,
274 declick, (!diskstream->record_enabled() && !_session.transport_stopped()));
276 for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
277 boost::shared_ptr<Delivery> d = boost::dynamic_pointer_cast<Delivery> (*i);
279 d->flush_buffers (nframes);
283 need_butler = diskstream->commit (playback_distance);
289 Auditioner::roll_audio (pframes_t nframes, framepos_t start_frame, framepos_t end_frame, int declick, bool& need_butler) {
290 Glib::Threads::RWLock::ReaderLock lm (_processor_lock, Glib::Threads::TRY_LOCK);
295 assert(n_outputs().n_total() > 0);
299 framecnt_t playback_distance;
300 framepos_t transport_frame = _session.transport_frame();
301 boost::shared_ptr<AudioDiskstream> diskstream = audio_diskstream();
302 BufferSet& bufs = _session.get_route_buffers (n_process_buffers ());
305 _amp->apply_gain_automation(false);
307 if ((dret = diskstream->process (bufs, transport_frame, nframes, playback_distance, (monitoring_state() == MonitoringDisk))) != 0) {
308 need_butler = diskstream->commit (playback_distance);
313 process_output_buffers (bufs, start_frame, end_frame, nframes, declick, (!diskstream->record_enabled() && _session.transport_rolling()));
314 need_butler = diskstream->commit (playback_distance);
319 Auditioner::set_diskstream (boost::shared_ptr<Diskstream> ds)
321 Track::set_diskstream (ds);
323 _diskstream->set_track (this);
324 _diskstream->set_destructive (_mode == Destructive);
325 _diskstream->set_non_layered (_mode == NonLayered);
326 _diskstream->set_record_enabled (false);
327 _diskstream->request_input_monitoring (false);
329 DiskstreamChanged (); /* EMIT SIGNAL */
333 Auditioner::prepare_playlist ()
335 // used by CrossfadeEditor::audition()
337 _midi_audition = false;
338 set_diskstream(_diskstream_audio);
340 remove_processor(asynth);
341 _synth_added = false;
344 // FIXME auditioner is still audio-only
345 boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist>(_diskstream->playlist());
353 Auditioner::audition_region (boost::shared_ptr<Region> region)
355 if (g_atomic_int_get (&_auditioning)) {
356 /* don't go via session for this, because we are going
362 Glib::Threads::Mutex::Lock lm (lock);
364 if (boost::dynamic_pointer_cast<AudioRegion>(region) != 0) {
366 _midi_audition = false;
367 set_diskstream(_diskstream_audio);
369 remove_processor(asynth);
370 _synth_added = false;
375 the_region = boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region));
376 the_region->set_position (0);
378 _diskstream->playlist()->drop_regions ();
379 _diskstream->playlist()->add_region (the_region, 0, 1);
381 if (_diskstream->n_channels().n_audio() < the_region->n_channels()) {
382 audio_diskstream()->add_channel (the_region->n_channels() - _diskstream->n_channels().n_audio());
383 } else if (_diskstream->n_channels().n_audio() > the_region->n_channels()) {
384 audio_diskstream()->remove_channel (_diskstream->n_channels().n_audio() - the_region->n_channels());
389 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
391 if (configure_processors (&ps)) {
392 error << string_compose (_("Cannot setup auditioner processing flow for %1 channels"),
393 _diskstream->n_channels()) << endmsg;
398 } else if (boost::dynamic_pointer_cast<MidiRegion>(region)) {
399 _midi_audition = true;
400 set_diskstream(_diskstream_midi);
404 midi_region = (boost::dynamic_pointer_cast<MidiRegion> (RegionFactory::create (region)));
405 midi_region->set_position (0);
407 _diskstream->playlist()->drop_regions ();
408 _diskstream->playlist()->add_region (midi_region, 0, 1);
409 midi_diskstream()->reset_tracker();
413 if (_synth_changed && _synth_added) {
414 remove_processor(asynth);
415 _synth_added = false;
417 if (_synth_changed && !_synth_added) {
418 _synth_added = false;
423 if (!_synth_added && asynth) {
424 int rv = add_processor_by_index(asynth, PreFader, &ps, true);
426 error << _("Failed to load synth for MIDI-Audition.") << endmsg;
435 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
437 if (configure_processors (&ps)) {
438 error << string_compose (_("Cannot setup auditioner processing flow for %1 channels"),
439 _diskstream->n_channels()) << endmsg;
445 error << _("Auditioning of regions other than Audio or Midi is not supported.") << endmsg;
449 /* force a panner reset now that we have all channels */
450 _main_outs->reset_panner();
458 if (_midi_audition) {
459 length = midi_region->length();
460 offset = midi_region->sync_offset (dir);
462 length = the_region->length();
463 offset = the_region->sync_offset (dir);
466 /* can't audition from a negative sync point */
472 _diskstream->seek (offset);
473 current_frame = offset;
475 g_atomic_int_set (&_auditioning, 1);
479 Auditioner::play_audition (framecnt_t nframes)
481 bool need_butler = false;
482 framecnt_t this_nframes;
485 if (g_atomic_int_get (&_auditioning) == 0) {
491 if (_seeking && _seek_complete) {
493 } else if (_seek_frame >= 0 && _seek_frame < length && !_seeking) {
494 // set FADE-OUT -- use/override amp? || use region-gain ?
498 if (_seeking && _seek_complete) {
499 _seek_complete = false;
502 if (_midi_audition && midi_diskstream()) {
503 midi_diskstream()->reset_tracker();
509 this_nframes = min (nframes, length - current_frame);
511 if ((ret = roll (this_nframes, current_frame, current_frame + nframes, false, need_butler)) != 0) {
516 current_frame += this_nframes;
522 if (_seek_frame >= 0 && _seek_frame < length && !_seeking) {
524 _seek_complete = false;
530 AuditionProgress(current_frame, length); /* emit */
533 if (current_frame >= length) {
534 _session.cancel_audition ();
537 return need_butler ? 1 : 0;
542 Auditioner::output_changed (IOChange change, void* /*src*/)
544 if (change.type & IOChange::ConnectionsChanged) {
546 vector<string> connections;
547 vector<string> outputs;
548 _session.engine().get_physical_outputs (DataType::AUDIO, outputs);
549 if (_output->nth (0)->get_connections (connections)) {
550 if (outputs.size() > 0) {
553 if (phys != connections[0]) {
554 Config->set_auditioner_output_left (connections[0]);
556 Config->set_auditioner_output_left ("default");
559 Config->set_auditioner_output_left ("");
562 connections.clear ();
564 if (_output->nth (1)->get_connections (connections)) {
565 if (outputs.size() > 1) {
568 if (phys != connections[0]) {
569 Config->set_auditioner_output_right (connections[0]);
571 Config->set_auditioner_output_right ("default");
574 Config->set_auditioner_output_right ("");
580 Auditioner::input_streams () const
582 /* auditioner never has any inputs - its channel configuration
583 depends solely on the region we are auditioning.
586 if (!_midi_audition && audio_diskstream()) {
587 return audio_diskstream()->n_channels();
589 if (_midi_audition && midi_diskstream()) {
590 ChanCount cnt (DataType::MIDI, 1);
598 Auditioner::monitoring_state () const
600 return MonitoringDisk;