2 Copyright (C) 2009 Paul Davis
4 This program is free software; you can redistribute it and/or modify it
5 under the terms of the GNU General Public License as published by the Free
6 Software Foundation; either version 2 of the License, or (at your option)
9 This program is distributed in the hope that it will be useful, but WITHOUT
10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 You should have received a copy of the GNU General Public License along
15 with this program; if not, write to the Free Software Foundation, Inc.,
16 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "pbd/enumwriter.h"
23 #include "pbd/convert.h"
25 #include "ardour/midi_buffer.h"
27 #include "ardour/delivery.h"
28 #include "ardour/audio_buffer.h"
29 #include "ardour/amp.h"
30 #include "ardour/buffer_set.h"
31 #include "ardour/configuration.h"
32 #include "ardour/io.h"
33 #include "ardour/meter.h"
34 #include "ardour/mute_master.h"
35 #include "ardour/panner.h"
36 #include "ardour/port.h"
37 #include "ardour/session.h"
43 using namespace ARDOUR;
45 PBD::Signal1<void,nframes_t> Delivery::CycleStart;
46 PBD::Signal0<int> Delivery::PannersLegal;
47 bool Delivery::panners_legal = false;
49 /* deliver to an existing IO object */
51 Delivery::Delivery (Session& s, boost::shared_ptr<IO> io, boost::shared_ptr<MuteMaster> mm, const string& name, Role r)
52 : IOProcessor(s, boost::shared_ptr<IO>(), (role_requires_output_ports (r) ? io : boost::shared_ptr<IO>()), name)
54 , _output_buffers (new BufferSet())
57 , _no_outs_cuz_we_no_monitor (false)
59 , _solo_isolated (false)
61 , no_panner_reset (false)
63 _panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
64 _display_to_user = false;
67 _output->changed.connect_same_thread (*this, boost::bind (&Delivery::output_changed, this, _1, _2));
70 CycleStart.connect_same_thread (*this, boost::bind (&Delivery::cycle_start, this, _1));
73 /* deliver to a new IO object */
75 Delivery::Delivery (Session& s, boost::shared_ptr<MuteMaster> mm, const string& name, Role r)
76 : IOProcessor(s, false, (role_requires_output_ports (r) ? true : false), name)
78 , _output_buffers (new BufferSet())
81 , _no_outs_cuz_we_no_monitor (false)
83 , _solo_isolated (false)
85 , no_panner_reset (false)
87 _panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
88 _display_to_user = false;
91 _output->changed.connect_same_thread (*this, boost::bind (&Delivery::output_changed, this, _1, _2));
94 CycleStart.connect_same_thread (*this, boost::bind (&Delivery::cycle_start, this, _1));
97 /* deliver to a new IO object, reconstruct from XML */
99 Delivery::Delivery (Session& s, boost::shared_ptr<MuteMaster> mm, const XMLNode& node)
100 : IOProcessor (s, false, true, "reset")
102 , _output_buffers (new BufferSet())
103 , _current_gain (1.0)
105 , _no_outs_cuz_we_no_monitor (false)
107 , _solo_isolated (false)
109 , no_panner_reset (false)
111 _panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
112 _display_to_user = false;
114 if (set_state (node, Stateful::loading_state_version)) {
115 throw failed_constructor ();
119 _output->changed.connect_same_thread (*this, boost::bind (&Delivery::output_changed, this, _1, _2));
122 CycleStart.connect_same_thread (*this, boost::bind (&Delivery::cycle_start, this, _1));
125 /* deliver to an existing IO object, reconstruct from XML */
127 Delivery::Delivery (Session& s, boost::shared_ptr<IO> out, boost::shared_ptr<MuteMaster> mm, const XMLNode& node)
128 : IOProcessor (s, boost::shared_ptr<IO>(), out, "reset")
130 , _output_buffers (new BufferSet())
131 , _current_gain (1.0)
133 , _no_outs_cuz_we_no_monitor (false)
135 , _solo_isolated (false)
137 , no_panner_reset (false)
139 _panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
140 _display_to_user = false;
142 if (set_state (node, Stateful::loading_state_version)) {
143 throw failed_constructor ();
147 _output->changed.connect_same_thread (*this, boost::bind (&Delivery::output_changed, this, _1, _2));
150 CycleStart.connect_same_thread (*this, boost::bind (&Delivery::cycle_start, this, _1));
153 Delivery::~Delivery()
155 delete _output_buffers;
159 Delivery::display_name () const
163 return _("main outs");
176 Delivery::cycle_start (nframes_t /*nframes*/)
179 _no_outs_cuz_we_no_monitor = false;
183 Delivery::increment_output_offset (nframes_t n)
189 Delivery::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
193 /* the out buffers will be set to point to the port output buffers
194 of our output object.
198 if (_output->n_ports() != ChanCount::ZERO) {
199 out = _output->n_ports();
202 /* not configured yet - we will passthru */
207 fatal << "programming error: this should never be reached" << endmsg;
212 } else if (_role == Insert) {
214 /* the output buffers will be filled with data from the *input* ports
219 if (_input->n_ports() != ChanCount::ZERO) {
220 out = _input->n_ports();
223 /* not configured yet - we will passthru */
228 fatal << "programming error: this should never be reached" << endmsg;
233 fatal << "programming error: this should never be reached" << endmsg;
240 Delivery::configure_io (ChanCount in, ChanCount out)
242 /* check configuration by comparison with our I/O port configuration, if appropriate.
243 see ::can_support_io_configuration() for comments
249 if (_output->n_ports() != out) {
250 if (_output->n_ports() != ChanCount::ZERO) {
251 fatal << _name << " programming error: configure_io with nports = " << _output->n_ports() << " called with " << in << " and " << out << " with " << _output->n_ports() << " output ports" << endmsg;
254 /* I/O not yet configured */
259 } else if (_role == Insert) {
262 if (_input->n_ports() != in) {
263 if (_input->n_ports() != ChanCount::ZERO) {
264 fatal << _name << " programming error: configure_io called with " << in << " and " << out << " with " << _input->n_ports() << " input ports" << endmsg;
267 /* I/O not yet configured */
273 if (!Processor::configure_io (in, out)) {
283 Delivery::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes, bool result_required)
287 PortSet& ports (_output->ports());
290 if (_output->n_ports ().get (_output->default_type()) == 0) {
294 if (!_active && !_pending_active) {
295 _output->silence (nframes);
299 /* this setup is not just for our purposes, but for anything that comes after us in the
300 processing pathway that wants to use this->output_buffers() for some reason.
303 output_buffers().attach_buffers (ports, nframes, _output_offset);
305 // this Delivery processor is not a derived type, and thus we assume
306 // we really can modify the buffers passed in (it is almost certainly
307 // the main output stage of a Route). Contrast with Send::run()
308 // which cannot do this.
310 tgain = target_gain ();
312 if (tgain != _current_gain) {
314 /* target gain has changed */
316 Amp::apply_gain (bufs, nframes, _current_gain, tgain);
317 _current_gain = tgain;
319 } else if (tgain == 0.0) {
321 /* we were quiet last time, and we're still supposed to be quiet.
322 Silence the outputs, and make sure the buffers are quiet too,
325 _output->silence (nframes);
326 if (result_required) {
327 Amp::apply_simple_gain (bufs, nframes, 0.0);
331 } else if (tgain != 1.0) {
333 /* target gain has not changed, but is not unity */
334 Amp::apply_simple_gain (bufs, nframes, tgain);
337 if (_panner && _panner->npanners() && !_panner->bypassed()) {
339 // Use the panner to distribute audio to output port buffers
341 _panner->run (bufs, output_buffers(), start_frame, end_frame, nframes);
343 if (result_required) {
344 bufs.read_from (output_buffers (), nframes);
348 // Do a 1:1 copy of data to output ports
350 if (bufs.count().n_audio() > 0 && ports.count().n_audio () > 0) {
351 _output->copy_to_outputs (bufs, DataType::AUDIO, nframes, _output_offset);
354 if (bufs.count().n_midi() > 0 && ports.count().n_midi () > 0) {
355 _output->copy_to_outputs (bufs, DataType::MIDI, nframes, _output_offset);
360 _active = _pending_active;
364 Delivery::state (bool full_state)
366 XMLNode& node (IOProcessor::state (full_state));
369 node.add_property("type", "main-outs");
370 } else if (_role & Listen) {
371 node.add_property("type", "listen");
373 node.add_property("type", "delivery");
376 node.add_property("role", enum_2_string(_role));
377 node.add_child_nocopy (_panner->state (full_state));
383 Delivery::set_state (const XMLNode& node, int version)
385 const XMLProperty* prop;
387 if (IOProcessor::set_state (node, version)) {
391 if ((prop = node.property ("role")) != 0) {
392 _role = Role (string_2_enum (prop->value(), _role));
393 // std::cerr << this << ' ' << _name << " set role to " << enum_2_string (_role) << std::endl;
395 // std::cerr << this << ' ' << _name << " NO ROLE INFO\n";
398 XMLNode* pan_node = node.child (X_("Panner"));
401 _panner->set_state (*pan_node, version);
410 Delivery::reset_panner ()
413 if (!no_panner_reset) {
418 ntargets = _output->n_ports().n_audio();
420 ntargets = _configured_output.n_audio();
423 _panner->reset (ntargets, pans_required());
426 panner_legal_c.disconnect ();
427 PannersLegal.connect_same_thread (panner_legal_c, boost::bind (&Delivery::panners_became_legal, this));
432 Delivery::panners_became_legal ()
437 ntargets = _output->n_ports().n_audio();
439 ntargets = _configured_output.n_audio();
442 _panner->reset (ntargets, pans_required());
443 _panner->load (); // automation
444 panner_legal_c.disconnect ();
449 Delivery::defer_pan_reset ()
451 no_panner_reset = true;
455 Delivery::allow_pan_reset ()
457 no_panner_reset = false;
463 Delivery::disable_panners (void)
465 panners_legal = false;
470 Delivery::reset_panners ()
472 panners_legal = true;
473 return *PannersLegal ();
478 Delivery::start_pan_touch (uint32_t which)
480 if (which < _panner->npanners()) {
481 _panner->pan_control(which)->start_touch();
486 Delivery::end_pan_touch (uint32_t which)
488 if (which < _panner->npanners()) {
489 _panner->pan_control(which)->stop_touch();
495 Delivery::transport_stopped (sframes_t frame)
497 _panner->transport_stopped (frame);
501 Delivery::flush (nframes_t nframes, nframes64_t time)
503 /* io_lock, not taken: function must be called from Session::process() calltree */
505 PortSet& ports (_output->ports());
507 for (PortSet::iterator i = ports.begin(); i != ports.end(); ++i) {
508 (*i).flush_buffers (nframes, time, _output_offset);
513 Delivery::transport_stopped ()
515 /* turn off any notes that are on */
517 PortSet& ports (_output->ports());
519 for (PortSet::iterator i = ports.begin(); i != ports.end(); ++i) {
520 (*i).transport_stopped ();
525 Delivery::target_gain ()
527 /* if we've been requested to deactivate, our target gain is zero */
529 if (!_pending_active) {
533 /* if we've been told not to output because its a monitoring situation and
534 we're not monitoring, then be quiet.
537 if (_no_outs_cuz_we_no_monitor) {
541 gain_t desired_gain = -1.0f;
549 if (_role == Listen && _session.monitor_out() && !_session.soloing()) {
551 /* nobody is soloed, so control/monitor/listen bus gets its
552 signal from master out, we should be silent
558 MuteMaster::MutePoint mp;
562 mp = MuteMaster::Main;
565 mp = MuteMaster::Listen;
570 /* XXX FIX ME this is wrong, we need per-delivery muting */
571 mp = MuteMaster::PreFader;
575 if (!_solo_isolated && _session.soloing()) {
576 desired_gain = min (Config->get_solo_mute_gain(), _mute_master->mute_gain_at (mp));
580 desired_gain = _mute_master->mute_gain_at (mp);
589 Delivery::no_outs_cuz_we_no_monitor (bool yn)
591 _no_outs_cuz_we_no_monitor = yn;
595 Delivery::set_name (const std::string& name)
597 bool ret = IOProcessor::set_name (name);
600 ret = _panner->set_name (name);
607 Delivery::output_changed (IOChange change, void* /*src*/)
609 if (change & ARDOUR::ConfigurationChanged) {