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));
100 delete _output_buffers;
104 Delivery::display_name () const
108 return _("main outs");
121 Delivery::cycle_start (nframes_t /*nframes*/)
124 _no_outs_cuz_we_no_monitor = false;
128 Delivery::increment_output_offset (nframes_t n)
134 Delivery::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
138 /* the out buffers will be set to point to the port output buffers
139 of our output object.
143 if (_output->n_ports() != ChanCount::ZERO) {
144 out = _output->n_ports();
147 /* not configured yet - we will passthru */
152 fatal << "programming error: this should never be reached" << endmsg;
157 } else if (_role == Insert) {
159 /* the output buffers will be filled with data from the *input* ports
164 if (_input->n_ports() != ChanCount::ZERO) {
165 out = _input->n_ports();
168 /* not configured yet - we will passthru */
173 fatal << "programming error: this should never be reached" << endmsg;
178 fatal << "programming error: this should never be reached" << endmsg;
185 Delivery::configure_io (ChanCount in, ChanCount out)
187 /* check configuration by comparison with our I/O port configuration, if appropriate.
188 see ::can_support_io_configuration() for comments
194 if (_output->n_ports() != out) {
195 if (_output->n_ports() != ChanCount::ZERO) {
196 fatal << _name << " programming error: configure_io with nports = " << _output->n_ports() << " called with " << in << " and " << out << " with " << _output->n_ports() << " output ports" << endmsg;
199 /* I/O not yet configured */
204 } else if (_role == Insert) {
207 if (_input->n_ports() != in) {
208 if (_input->n_ports() != ChanCount::ZERO) {
209 fatal << _name << " programming error: configure_io called with " << in << " and " << out << " with " << _input->n_ports() << " input ports" << endmsg;
212 /* I/O not yet configured */
218 if (!Processor::configure_io (in, out)) {
228 Delivery::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes, bool result_required)
232 PortSet& ports (_output->ports());
235 if (_output->n_ports ().get (_output->default_type()) == 0) {
239 if (!_active && !_pending_active) {
240 _output->silence (nframes);
244 /* this setup is not just for our purposes, but for anything that comes after us in the
245 processing pathway that wants to use this->output_buffers() for some reason.
248 output_buffers().attach_buffers (ports, nframes, _output_offset);
250 // this Delivery processor is not a derived type, and thus we assume
251 // we really can modify the buffers passed in (it is almost certainly
252 // the main output stage of a Route). Contrast with Send::run()
253 // which cannot do this.
255 tgain = target_gain ();
257 if (tgain != _current_gain) {
259 /* target gain has changed */
261 Amp::apply_gain (bufs, nframes, _current_gain, tgain);
262 _current_gain = tgain;
264 } else if (tgain == 0.0) {
266 /* we were quiet last time, and we're still supposed to be quiet.
267 Silence the outputs, and make sure the buffers are quiet too,
270 _output->silence (nframes);
271 if (result_required) {
272 Amp::apply_simple_gain (bufs, nframes, 0.0);
276 } else if (tgain != 1.0) {
278 /* target gain has not changed, but is not unity */
279 Amp::apply_simple_gain (bufs, nframes, tgain);
282 if (_panner && _panner->npanners() && !_panner->bypassed()) {
284 // Use the panner to distribute audio to output port buffers
286 _panner->run (bufs, output_buffers(), start_frame, end_frame, nframes);
288 if (result_required) {
289 bufs.read_from (output_buffers (), nframes);
294 // Do a 1:1 copy of data to output ports
296 if (bufs.count().n_audio() > 0 && ports.count().n_audio () > 0) {
297 _output->copy_to_outputs (bufs, DataType::AUDIO, nframes, _output_offset);
300 if (bufs.count().n_midi() > 0 && ports.count().n_midi () > 0) {
301 _output->copy_to_outputs (bufs, DataType::MIDI, nframes, _output_offset);
306 _active = _pending_active;
310 Delivery::state (bool full_state)
312 XMLNode& node (IOProcessor::state (full_state));
315 node.add_property("type", "main-outs");
316 } else if (_role & Listen) {
317 node.add_property("type", "listen");
319 node.add_property("type", "delivery");
322 node.add_property("role", enum_2_string(_role));
323 node.add_child_nocopy (_panner->state (full_state));
329 Delivery::set_state (const XMLNode& node, int version)
331 const XMLProperty* prop;
333 if (IOProcessor::set_state (node, version)) {
337 if ((prop = node.property ("role")) != 0) {
338 _role = Role (string_2_enum (prop->value(), _role));
339 // std::cerr << this << ' ' << _name << " set role to " << enum_2_string (_role) << std::endl;
341 // std::cerr << this << ' ' << _name << " NO ROLE INFO\n";
344 XMLNode* pan_node = node.child (X_("Panner"));
347 _panner->set_state (*pan_node, version);
356 Delivery::reset_panner ()
359 if (!no_panner_reset) {
364 ntargets = _output->n_ports().n_audio();
366 ntargets = _configured_output.n_audio();
369 _panner->reset (ntargets, pans_required());
372 panner_legal_c.disconnect ();
373 PannersLegal.connect_same_thread (panner_legal_c, boost::bind (&Delivery::panners_became_legal, this));
378 Delivery::panners_became_legal ()
383 ntargets = _output->n_ports().n_audio();
385 ntargets = _configured_output.n_audio();
388 _panner->reset (ntargets, pans_required());
389 _panner->load (); // automation
390 panner_legal_c.disconnect ();
395 Delivery::defer_pan_reset ()
397 no_panner_reset = true;
401 Delivery::allow_pan_reset ()
403 no_panner_reset = false;
409 Delivery::disable_panners (void)
411 panners_legal = false;
416 Delivery::reset_panners ()
418 panners_legal = true;
419 return *PannersLegal ();
424 Delivery::start_pan_touch (uint32_t which)
426 if (which < _panner->npanners()) {
427 _panner->pan_control(which)->start_touch();
432 Delivery::end_pan_touch (uint32_t which)
434 if (which < _panner->npanners()) {
435 _panner->pan_control(which)->stop_touch();
441 Delivery::transport_stopped (sframes_t frame)
443 _panner->transport_stopped (frame);
447 Delivery::flush (nframes_t nframes, nframes64_t time)
449 /* io_lock, not taken: function must be called from Session::process() calltree */
451 PortSet& ports (_output->ports());
453 for (PortSet::iterator i = ports.begin(); i != ports.end(); ++i) {
454 (*i).flush_buffers (nframes, time, _output_offset);
459 Delivery::transport_stopped ()
461 /* turn off any notes that are on */
463 PortSet& ports (_output->ports());
465 for (PortSet::iterator i = ports.begin(); i != ports.end(); ++i) {
466 (*i).transport_stopped ();
471 Delivery::target_gain ()
473 /* if we've been requested to deactivate, our target gain is zero */
475 if (!_pending_active) {
479 /* if we've been told not to output because its a monitoring situation and
480 we're not monitoring, then be quiet.
483 if (_no_outs_cuz_we_no_monitor) {
487 gain_t desired_gain = -1.0f;
495 if (_role == Listen && _session.monitor_out() && !_session.soloing()) {
497 /* nobody is soloed, so control/monitor/listen bus gets its
498 signal from master out, we should be silent
504 MuteMaster::MutePoint mp;
508 mp = MuteMaster::Main;
511 mp = MuteMaster::Listen;
516 /* XXX FIX ME this is wrong, we need per-delivery muting */
517 mp = MuteMaster::PreFader;
521 if (!_solo_isolated && _session.soloing()) {
522 desired_gain = min (Config->get_solo_mute_gain(), _mute_master->mute_gain_at (mp));
526 desired_gain = _mute_master->mute_gain_at (mp);
535 Delivery::no_outs_cuz_we_no_monitor (bool yn)
537 _no_outs_cuz_we_no_monitor = yn;
541 Delivery::set_name (const std::string& name)
543 bool ret = IOProcessor::set_name (name);
546 ret = _panner->set_name (name);
553 Delivery::output_changed (IOChange change, void* /*src*/)
555 if (change & ARDOUR::ConfigurationChanged) {