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)
60 , _solo_ignored (false)
62 , no_panner_reset (false)
64 _panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
65 _display_to_user = false;
68 _output->changed.connect_same_thread (*this, boost::bind (&Delivery::output_changed, this, _1, _2));
71 CycleStart.connect_same_thread (*this, boost::bind (&Delivery::cycle_start, this, _1));
74 /* deliver to a new IO object */
76 Delivery::Delivery (Session& s, boost::shared_ptr<MuteMaster> mm, const string& name, Role r)
77 : IOProcessor(s, false, (role_requires_output_ports (r) ? true : false), name)
79 , _output_buffers (new BufferSet())
82 , _no_outs_cuz_we_no_monitor (false)
84 , _solo_isolated (false)
85 , _solo_ignored (false)
87 , no_panner_reset (false)
89 _panner = boost::shared_ptr<Panner>(new Panner (_name, _session));
90 _display_to_user = false;
93 _output->changed.connect_same_thread (*this, boost::bind (&Delivery::output_changed, this, _1, _2));
96 CycleStart.connect_same_thread (*this, boost::bind (&Delivery::cycle_start, this, _1));
100 Delivery::~Delivery()
102 delete _output_buffers;
106 Delivery::display_name () const
110 return _("main outs");
123 Delivery::cycle_start (nframes_t /*nframes*/)
126 _no_outs_cuz_we_no_monitor = false;
130 Delivery::increment_output_offset (nframes_t n)
136 Delivery::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
140 /* the out buffers will be set to point to the port output buffers
141 of our output object.
145 if (_output->n_ports() != ChanCount::ZERO) {
146 out = _output->n_ports();
149 /* not configured yet - we will passthru */
154 fatal << "programming error: this should never be reached" << endmsg;
159 } else if (_role == Insert) {
161 /* the output buffers will be filled with data from the *input* ports
166 if (_input->n_ports() != ChanCount::ZERO) {
167 out = _input->n_ports();
170 /* not configured yet - we will passthru */
175 fatal << "programming error: this should never be reached" << endmsg;
180 fatal << "programming error: this should never be reached" << endmsg;
187 Delivery::configure_io (ChanCount in, ChanCount out)
189 /* check configuration by comparison with our I/O port configuration, if appropriate.
190 see ::can_support_io_configuration() for comments
196 if (_output->n_ports() != out) {
197 if (_output->n_ports() != ChanCount::ZERO) {
198 fatal << _name << " programming error: configure_io with nports = " << _output->n_ports() << " called with " << in << " and " << out << " with " << _output->n_ports() << " output ports" << endmsg;
201 /* I/O not yet configured */
206 } else if (_role == Insert) {
209 if (_input->n_ports() != in) {
210 if (_input->n_ports() != ChanCount::ZERO) {
211 fatal << _name << " programming error: configure_io called with " << in << " and " << out << " with " << _input->n_ports() << " input ports" << endmsg;
214 /* I/O not yet configured */
220 if (!Processor::configure_io (in, out)) {
230 Delivery::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes, bool result_required)
234 PortSet& ports (_output->ports());
237 if (_output->n_ports ().get (_output->default_type()) == 0) {
241 if (!_active && !_pending_active) {
242 _output->silence (nframes);
246 /* this setup is not just for our purposes, but for anything that comes after us in the
247 processing pathway that wants to use this->output_buffers() for some reason.
250 output_buffers().attach_buffers (ports, nframes, _output_offset);
252 // this Delivery processor is not a derived type, and thus we assume
253 // we really can modify the buffers passed in (it is almost certainly
254 // the main output stage of a Route). Contrast with Send::run()
255 // which cannot do this.
257 tgain = target_gain ();
259 if (tgain != _current_gain) {
261 /* target gain has changed */
263 Amp::apply_gain (bufs, nframes, _current_gain, tgain);
264 _current_gain = tgain;
266 } else if (tgain == 0.0) {
268 /* we were quiet last time, and we're still supposed to be quiet.
269 Silence the outputs, and make sure the buffers are quiet too,
272 _output->silence (nframes);
273 if (result_required) {
274 Amp::apply_simple_gain (bufs, nframes, 0.0);
278 } else if (tgain != 1.0) {
280 /* target gain has not changed, but is not unity */
281 Amp::apply_simple_gain (bufs, nframes, tgain);
284 if (_panner && _panner->npanners() && !_panner->bypassed()) {
286 // Use the panner to distribute audio to output port buffers
288 _panner->run (bufs, output_buffers(), start_frame, end_frame, nframes);
290 if (result_required) {
291 bufs.read_from (output_buffers (), nframes);
296 // Do a 1:1 copy of data to output ports
298 if (bufs.count().n_audio() > 0 && ports.count().n_audio () > 0) {
299 _output->copy_to_outputs (bufs, DataType::AUDIO, nframes, _output_offset);
302 if (bufs.count().n_midi() > 0 && ports.count().n_midi () > 0) {
303 _output->copy_to_outputs (bufs, DataType::MIDI, nframes, _output_offset);
308 _active = _pending_active;
312 Delivery::state (bool full_state)
314 XMLNode& node (IOProcessor::state (full_state));
317 node.add_property("type", "main-outs");
318 } else if (_role & Listen) {
319 node.add_property("type", "listen");
321 node.add_property("type", "delivery");
324 node.add_property("role", enum_2_string(_role));
325 node.add_child_nocopy (_panner->state (full_state));
331 Delivery::set_state (const XMLNode& node, int version)
333 const XMLProperty* prop;
335 if (IOProcessor::set_state (node, version)) {
339 if ((prop = node.property ("role")) != 0) {
340 _role = Role (string_2_enum (prop->value(), _role));
341 // std::cerr << this << ' ' << _name << " set role to " << enum_2_string (_role) << std::endl;
343 // std::cerr << this << ' ' << _name << " NO ROLE INFO\n";
346 XMLNode* pan_node = node.child (X_("Panner"));
349 _panner->set_state (*pan_node, version);
358 Delivery::reset_panner ()
361 if (!no_panner_reset) {
366 ntargets = _output->n_ports().n_audio();
368 ntargets = _configured_output.n_audio();
371 _panner->reset (ntargets, pans_required());
374 panner_legal_c.disconnect ();
375 PannersLegal.connect_same_thread (panner_legal_c, boost::bind (&Delivery::panners_became_legal, this));
380 Delivery::panners_became_legal ()
385 ntargets = _output->n_ports().n_audio();
387 ntargets = _configured_output.n_audio();
390 _panner->reset (ntargets, pans_required());
391 _panner->load (); // automation
392 panner_legal_c.disconnect ();
397 Delivery::defer_pan_reset ()
399 no_panner_reset = true;
403 Delivery::allow_pan_reset ()
405 no_panner_reset = false;
411 Delivery::disable_panners (void)
413 panners_legal = false;
418 Delivery::reset_panners ()
420 panners_legal = true;
421 return *PannersLegal ();
426 Delivery::start_pan_touch (uint32_t which)
428 if (which < _panner->npanners()) {
429 _panner->pan_control(which)->start_touch();
434 Delivery::end_pan_touch (uint32_t which)
436 if (which < _panner->npanners()) {
437 _panner->pan_control(which)->stop_touch();
443 Delivery::transport_stopped (sframes_t frame)
445 _panner->transport_stopped (frame);
449 Delivery::flush (nframes_t nframes, nframes64_t time)
451 /* io_lock, not taken: function must be called from Session::process() calltree */
453 PortSet& ports (_output->ports());
455 for (PortSet::iterator i = ports.begin(); i != ports.end(); ++i) {
456 (*i).flush_buffers (nframes, time, _output_offset);
461 Delivery::transport_stopped ()
463 /* turn off any notes that are on */
465 PortSet& ports (_output->ports());
467 for (PortSet::iterator i = ports.begin(); i != ports.end(); ++i) {
468 (*i).transport_stopped ();
473 Delivery::target_gain ()
475 /* if we've been requested to deactivate, our target gain is zero */
477 if (!_pending_active) {
481 /* if we've been told not to output because its a monitoring situation and
482 we're not monitoring, then be quiet.
485 if (_no_outs_cuz_we_no_monitor) {
489 gain_t desired_gain = -1.0f;
491 if (_solo_level || _solo_ignored) {
497 if (_role == Listen && _session.monitor_out() && !_session.soloing()) {
499 /* nobody is soloed, so control/monitor/listen bus gets its
500 signal from master out, we should be silent
506 MuteMaster::MutePoint mp;
510 mp = MuteMaster::Main;
513 mp = MuteMaster::Listen;
518 /* XXX FIX ME this is wrong, we need per-delivery muting */
519 mp = MuteMaster::PreFader;
523 if (!_solo_isolated && _session.soloing()) {
524 desired_gain = min (Config->get_solo_mute_gain(), _mute_master->mute_gain_at (mp));
528 desired_gain = _mute_master->mute_gain_at (mp);
537 Delivery::no_outs_cuz_we_no_monitor (bool yn)
539 _no_outs_cuz_we_no_monitor = yn;
543 Delivery::set_name (const std::string& name)
545 bool ret = IOProcessor::set_name (name);
548 ret = _panner->set_name (name);
555 Delivery::output_changed (IOChange change, void* /*src*/)
557 if (change & ARDOUR::ConfigurationChanged) {