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 sigc::signal<void,nframes_t> Delivery::CycleStart;
46 sigc::signal<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)
64 _panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
67 _output->changed.connect (mem_fun (*this, &Delivery::output_changed));
70 CycleStart.connect (mem_fun (*this, &Delivery::cycle_start));
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));
90 _output->changed.connect (mem_fun (*this, &Delivery::output_changed));
93 CycleStart.connect (mem_fun (*this, &Delivery::cycle_start));
96 /* deliver to a new IO object, reconstruct from XML */
98 Delivery::Delivery (Session& s, boost::shared_ptr<MuteMaster> mm, const XMLNode& node)
99 : IOProcessor (s, false, true, "reset")
101 , _output_buffers (new BufferSet())
102 , _current_gain (1.0)
104 , _no_outs_cuz_we_no_monitor (false)
106 , _solo_isolated (false)
108 , no_panner_reset (false)
110 _panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
112 if (set_state (node)) {
113 throw failed_constructor ();
117 _output->changed.connect (mem_fun (*this, &Delivery::output_changed));
120 CycleStart.connect (mem_fun (*this, &Delivery::cycle_start));
123 /* deliver to an existing IO object, reconstruct from XML */
125 Delivery::Delivery (Session& s, boost::shared_ptr<IO> out, boost::shared_ptr<MuteMaster> mm, const XMLNode& node)
126 : IOProcessor (s, boost::shared_ptr<IO>(), out, "reset")
128 , _output_buffers (new BufferSet())
129 , _current_gain (1.0)
131 , _no_outs_cuz_we_no_monitor (false)
133 , _solo_isolated (false)
135 , no_panner_reset (false)
137 _panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
139 if (set_state (node)) {
140 throw failed_constructor ();
144 _output->changed.connect (mem_fun (*this, &Delivery::output_changed));
147 CycleStart.connect (mem_fun (*this, &Delivery::cycle_start));
151 Delivery::display_name () const
155 return _("main outs");
168 Delivery::cycle_start (nframes_t /*nframes*/)
171 _no_outs_cuz_we_no_monitor = false;
175 Delivery::increment_output_offset (nframes_t n)
181 Delivery::visible () const
187 Delivery::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
191 /* the out buffers will be set to point to the port output buffers
192 of our output object.
196 if (_output->n_ports() != ChanCount::ZERO) {
197 out = _output->n_ports();
200 /* not configured yet - we will passthru */
205 fatal << "programming error: this should never be reached" << endmsg;
210 } else if (_role == Insert) {
212 /* the output buffers will be filled with data from the *input* ports
217 if (_input->n_ports() != ChanCount::ZERO) {
218 out = _input->n_ports();
221 /* not configured yet - we will passthru */
226 fatal << "programming error: this should never be reached" << endmsg;
231 fatal << "programming error: this should never be reached" << endmsg;
238 Delivery::configure_io (ChanCount in, ChanCount out)
240 /* check configuration by comparison with our I/O port configuration, if appropriate.
241 see ::can_support_io_configuration() for comments
247 if (_output->n_ports() != out) {
248 if (_output->n_ports() != ChanCount::ZERO) {
249 fatal << _name << " programming error: configure_io with nports = " << _output->n_ports() << " called with " << in << " and " << out << " with " << _output->n_ports() << " output ports" << endmsg;
252 /* I/O not yet configured */
257 } else if (_role == Insert) {
260 if (_input->n_ports() != in) {
261 if (_input->n_ports() != ChanCount::ZERO) {
262 fatal << _name << " programming error: configure_io called with " << in << " and " << out << " with " << _input->n_ports() << " input ports" << endmsg;
265 /* I/O not yet configured */
271 if (!Processor::configure_io (in, out)) {
281 Delivery::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes)
285 PortSet& ports (_output->ports());
288 if (_output->n_ports ().get (_output->default_type()) == 0) {
292 if (!_active && !_pending_active) {
293 _output->silence (nframes);
297 /* this setup is not just for our purposes, but for anything that comes after us in the
298 processing pathway that wants to use this->output_buffers() for some reason.
301 output_buffers().attach_buffers (ports, nframes, _output_offset);
303 // this Delivery processor is not a derived type, and thus we assume
304 // we really can modify the buffers passed in (it is almost certainly
305 // the main output stage of a Route). Contrast with Send::run()
306 // which cannot do this.
308 tgain = target_gain ();
310 if (tgain != _current_gain) {
312 /* target gain has changed */
314 Amp::apply_gain (bufs, nframes, _current_gain, tgain);
315 _current_gain = tgain;
317 } else if (tgain == 0.0) {
319 /* we were quiet last time, and we're still supposed to be quiet.
320 Silence the outputs, and make sure the buffers are quiet too,
323 _output->silence (nframes);
324 Amp::apply_simple_gain (bufs, nframes, 0.0);
327 } else if (tgain != 1.0) {
329 /* target gain has not changed, but is not unity */
330 Amp::apply_simple_gain (bufs, nframes, tgain);
333 if (_panner && _panner->npanners() && !_panner->bypassed()) {
335 // Use the panner to distribute audio to output port buffers
337 _panner->run (bufs, output_buffers(), start_frame, end_frame, nframes);
340 // Do a 1:1 copy of data to output ports
342 if (bufs.count().n_audio() > 0 && ports.count().n_audio () > 0) {
343 _output->copy_to_outputs (bufs, DataType::AUDIO, nframes, _output_offset);
346 if (bufs.count().n_midi() > 0 && ports.count().n_midi () > 0) {
347 _output->copy_to_outputs (bufs, DataType::MIDI, nframes, _output_offset);
352 _active = _pending_active;
356 Delivery::state (bool full_state)
358 XMLNode& node (IOProcessor::state (full_state));
361 node.add_property("type", "main-outs");
362 } else if (_role & Listen) {
363 node.add_property("type", "listen");
365 node.add_property("type", "delivery");
368 node.add_property("role", enum_2_string(_role));
369 node.add_child_nocopy (_panner->state (full_state));
375 Delivery::set_state (const XMLNode& node)
377 const XMLProperty* prop;
379 if (IOProcessor::set_state (node)) {
383 if ((prop = node.property ("role")) != 0) {
384 _role = Role (string_2_enum (prop->value(), _role));
385 // std::cerr << this << ' ' << _name << " set role to " << enum_2_string (_role) << std::endl;
387 // std::cerr << this << ' ' << _name << " NO ROLE INFO\n";
390 XMLNode* pan_node = node.child (X_("Panner"));
393 _panner->set_state (*pan_node);
402 Delivery::reset_panner ()
405 if (!no_panner_reset) {
410 ntargets = _output->n_ports().n_audio();
412 ntargets = _configured_output.n_audio();
415 _panner->reset (ntargets, pans_required());
418 panner_legal_c.disconnect ();
419 panner_legal_c = PannersLegal.connect (mem_fun (*this, &Delivery::panners_became_legal));
424 Delivery::panners_became_legal ()
429 ntargets = _output->n_ports().n_audio();
431 ntargets = _configured_output.n_audio();
434 _panner->reset (ntargets, pans_required());
435 _panner->load (); // automation
436 panner_legal_c.disconnect ();
441 Delivery::defer_pan_reset ()
443 no_panner_reset = true;
447 Delivery::allow_pan_reset ()
449 no_panner_reset = false;
455 Delivery::disable_panners (void)
457 panners_legal = false;
462 Delivery::reset_panners ()
464 panners_legal = true;
465 return PannersLegal ();
470 Delivery::start_pan_touch (uint32_t which)
472 if (which < _panner->npanners()) {
473 _panner->pan_control(which)->start_touch();
478 Delivery::end_pan_touch (uint32_t which)
480 if (which < _panner->npanners()) {
481 _panner->pan_control(which)->stop_touch();
487 Delivery::transport_stopped (sframes_t frame)
489 _panner->transport_stopped (frame);
493 Delivery::flush (nframes_t nframes, nframes64_t time)
495 /* io_lock, not taken: function must be called from Session::process() calltree */
497 PortSet& ports (_output->ports());
499 for (PortSet::iterator i = ports.begin(); i != ports.end(); ++i) {
500 (*i).flush_buffers (nframes, time, _output_offset);
505 Delivery::transport_stopped ()
507 /* turn off any notes that are on */
509 PortSet& ports (_output->ports());
511 for (PortSet::iterator i = ports.begin(); i != ports.end(); ++i) {
512 (*i).transport_stopped ();
517 Delivery::target_gain ()
519 /* if we've been requested to deactivate, our target gain is zero */
521 if (!_pending_active) {
525 /* if we've been told not to output because its a monitoring situation and
526 we're not monitoring, then be quiet.
529 if (_no_outs_cuz_we_no_monitor) {
539 MuteMaster::MutePoint mp;
543 mp = MuteMaster::Main;
546 mp = MuteMaster::Listen;
551 /* XXX FIX ME this is wrong, we need per-delivery muting */
552 mp = MuteMaster::PreFader;
556 if (_solo_isolated) {
558 /* ... but we are isolated from all that nonsense */
560 desired_gain = _mute_master->mute_gain_at (mp);
562 } else if (_session.soloing()) {
564 desired_gain = min (Config->get_solo_mute_gain(), _mute_master->mute_gain_at (mp));
567 desired_gain = _mute_master->mute_gain_at (mp);
575 Delivery::no_outs_cuz_we_no_monitor (bool yn)
577 _no_outs_cuz_we_no_monitor = yn;
581 Delivery::set_name (const std::string& name)
583 bool ret = IOProcessor::set_name (name);
586 ret = _panner->set_name (name);
593 Delivery::output_changed (IOChange change, void* /*src*/)
595 if (change & ARDOUR::ConfigurationChanged) {