/*
- Copyright (C) 2009 Paul Davis
-
+ Copyright (C) 2009 Paul Davis
+
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option)
any later version.
-
+
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
-
+
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
675 Mass Ave, Cambridge, MA 02139, USA.
#include <algorithm>
#include "pbd/enumwriter.h"
+#include "pbd/convert.h"
+
+#include "ardour/midi_buffer.h"
+
+#include "ardour/debug.h"
#include "ardour/delivery.h"
#include "ardour/audio_buffer.h"
+#include "ardour/audio_port.h"
+#include "ardour/amp.h"
#include "ardour/buffer_set.h"
#include "ardour/configuration.h"
#include "ardour/io.h"
#include "ardour/meter.h"
+#include "ardour/mute_master.h"
+#include "ardour/panner.h"
+#include "ardour/panner_shell.h"
+#include "ardour/pannable.h"
+#include "ardour/port.h"
#include "ardour/session.h"
+#include "ardour/audioengine.h"
+
+#include "i18n.h"
using namespace std;
+using namespace PBD;
using namespace ARDOUR;
+PBD::Signal1<void, pframes_t> Delivery::CycleStart;
+PBD::Signal0<int> Delivery::PannersLegal;
+bool Delivery::panners_legal = false;
+
/* deliver to an existing IO object */
-Delivery::Delivery (Session& s, IO* io, const string& name, Role r)
- : IOProcessor(s, io, name)
+Delivery::Delivery (Session& s, boost::shared_ptr<IO> io, boost::shared_ptr<Pannable> pannable,
+ boost::shared_ptr<MuteMaster> mm, const string& name, Role r)
+ : IOProcessor(s, boost::shared_ptr<IO>(), (role_requires_output_ports (r) ? io : boost::shared_ptr<IO>()), name)
, _role (r)
- , _metering (false)
- , _muted_by_self (false)
- , _muted_by_others (false)
+ , _output_buffers (new BufferSet())
+ , _current_gain (1.0)
+ , _no_outs_cuz_we_no_monitor (false)
+ , _mute_master (mm)
+ , no_panner_reset (false)
+ , scnt (0)
{
-}
+ if (pannable) {
+ _panshell = boost::shared_ptr<PannerShell>(new PannerShell (_name, _session, pannable));
+ }
-/* deliver to a new IO object */
+ _display_to_user = false;
-Delivery::Delivery (Session& s, const string& name, Role r)
- : IOProcessor(s, name)
- , _role (r)
- , _metering (false)
- , _muted_by_self (false)
- , _muted_by_others (false)
-{
+ if (_output) {
+ _output->changed.connect_same_thread (*this, boost::bind (&Delivery::output_changed, this, _1, _2));
+ }
+
+ CycleStart.connect_same_thread (*this, boost::bind (&Delivery::cycle_start, this, _1));
}
-/* reconstruct from XML */
+/* deliver to a new IO object */
-Delivery::Delivery (Session& s, const XMLNode& node)
- : IOProcessor (s, "reset")
- , _role (Role (0))
- , _metering (false)
- , _muted_by_self (false)
- , _muted_by_others (false)
+Delivery::Delivery (Session& s, boost::shared_ptr<Pannable> pannable, boost::shared_ptr<MuteMaster> mm, const string& name, Role r)
+ : IOProcessor(s, false, (role_requires_output_ports (r) ? true : false), name)
+ , _role (r)
+ , _output_buffers (new BufferSet())
+ , _current_gain (1.0)
+ , _no_outs_cuz_we_no_monitor (false)
+ , _mute_master (mm)
+ , no_panner_reset (false)
+ , scnt (0)
{
- if (set_state (node)) {
- throw failed_constructor ();
+ if (pannable) {
+ _panshell = boost::shared_ptr<PannerShell>(new PannerShell (_name, _session, pannable));
}
-}
+ _display_to_user = false;
-bool
-Delivery::visible () const
-{
- if (_role & (Main|Solo)) {
- return false;
+ if (_output) {
+ _output->changed.connect_same_thread (*this, boost::bind (&Delivery::output_changed, this, _1, _2));
}
- return true;
+ CycleStart.connect_same_thread (*this, boost::bind (&Delivery::cycle_start, this, _1));
}
-bool
-Delivery::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
+
+Delivery::~Delivery()
{
- out = in;
- return true;
+ DEBUG_TRACE (DEBUG::Destruction, string_compose ("delivery %1 destructor\n", _name));
+ delete _output_buffers;
}
-bool
-Delivery::configure_io (ChanCount in, ChanCount out)
+std::string
+Delivery::display_name () const
{
- if (out != in) { // always 1:1
- return false;
+ switch (_role) {
+ case Main:
+ return _("main outs");
+ break;
+ case Listen:
+ return _("listen");
+ break;
+ case Send:
+ case Insert:
+ default:
+ return name();
}
-
- return Processor::configure_io (in, out);
}
void
-Delivery::run_in_place (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes)
+Delivery::cycle_start (pframes_t /*nframes*/)
{
- if (_io->n_outputs().get (_io->default_type()) == 0) {
- return;
- }
+ _no_outs_cuz_we_no_monitor = false;
+}
- if (!active() || _muted_by_self || _muted_by_others) {
- silence (nframes);
- if (_metering) {
- _io->peak_meter().reset();
+bool
+Delivery::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
+{
+ if (_role == Main) {
+
+ /* the out buffers will be set to point to the port output buffers
+ of our output object.
+ */
+
+ if (_output) {
+ if (_output->n_ports() != ChanCount::ZERO) {
+ /* increase number of output ports if the processor chain requires it */
+ out = ChanCount::max (_output->n_ports(), in);
+ return true;
+ } else {
+ /* not configured yet - we will passthru */
+ out = in;
+ return true;
+ }
+ } else {
+ fatal << "programming error: this should never be reached" << endmsg;
+ /*NOTREACHED*/
}
- } else {
- // we have to copy the input, because IO::deliver_output may alter the buffers
- // in-place, which a send must never do.
- BufferSet& sendbufs = _session.get_mix_buffers (bufs.count());
+ } else if (_role == Insert) {
- sendbufs.read_from(bufs, nframes);
- assert(sendbufs.count() == bufs.count());
+ /* the output buffers will be filled with data from the *input* ports
+ of this Insert.
+ */
- _io->deliver_output (sendbufs, start_frame, end_frame, nframes);
-
- if (_metering) {
- if (_io->effective_gain() == 0) {
- _io->peak_meter().reset();
+ if (_input) {
+ if (_input->n_ports() != ChanCount::ZERO) {
+ out = _input->n_ports();
+ return true;
} else {
- _io->peak_meter().run_in_place(_io->output_buffers(), start_frame, end_frame, nframes);
+ /* not configured yet - we will passthru */
+ out = in;
+ return true;
}
+ } else {
+ fatal << "programming error: this should never be reached" << endmsg;
+ /*NOTREACHED*/
}
+
+ } else {
+ fatal << "programming error: this should never be reached" << endmsg;
}
+
+ return false;
}
-void
-Delivery::set_metering (bool yn)
+/** Caller must hold process lock */
+bool
+Delivery::configure_io (ChanCount in, ChanCount out)
{
- _metering = yn;
-
- if (!_metering) {
- /* XXX possible thread hazard here */
- _io->peak_meter().reset();
+ assert (!AudioEngine::instance()->process_lock().trylock());
+
+ /* check configuration by comparison with our I/O port configuration, if appropriate.
+ see ::can_support_io_configuration() for comments
+ */
+
+ if (_role == Main) {
+
+ if (_output) {
+ if (_output->n_ports() != out) {
+ if (_output->n_ports() != ChanCount::ZERO) {
+ _output->ensure_io (out, false, this);
+ } else {
+ /* I/O not yet configured */
+ }
+ }
+ }
+
+ } else if (_role == Insert) {
+
+ if (_input) {
+ if (_input->n_ports() != in) {
+ if (_input->n_ports() != ChanCount::ZERO) {
+ fatal << _name << " programming error: configure_io called with " << in << " and " << out << " with " << _input->n_ports() << " input ports" << endmsg;
+ /*NOTREACHED*/
+ } else {
+ /* I/O not yet configured */
+ }
+ }
+ }
+
}
-}
-void
-Delivery::set_self_mute (bool yn)
-{
- if (yn != _muted_by_self) {
- _muted_by_self = yn;
- SelfMuteChange (); // emit signal
+
+ if (!Processor::configure_io (in, out)) {
+ return false;
}
+
+ reset_panner ();
+
+ return true;
}
void
-Delivery::set_nonself_mute (bool yn)
+Delivery::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool result_required)
{
- if (yn != _muted_by_others) {
- _muted_by_others = yn;
- OtherMuteChange (); // emit signal
+ assert (_output);
+
+ PortSet& ports (_output->ports());
+ gain_t tgain;
+
+ if (_output->n_ports ().get (_output->default_type()) == 0) {
+ goto out;
+ }
+
+ if (!_active && !_pending_active) {
+ _output->silence (nframes);
+ goto out;
+ }
+
+ /* this setup is not just for our purposes, but for anything that comes after us in the
+ processing pathway that wants to use this->output_buffers() for some reason.
+ */
+
+ output_buffers().get_jack_port_addresses (ports, nframes);
+
+ // this Delivery processor is not a derived type, and thus we assume
+ // we really can modify the buffers passed in (it is almost certainly
+ // the main output stage of a Route). Contrast with Send::run()
+ // which cannot do this.
+
+ tgain = target_gain ();
+
+ if (tgain != _current_gain) {
+ /* target gain has changed */
+
+ Amp::apply_gain (bufs, nframes, _current_gain, tgain);
+ _current_gain = tgain;
+
+ } else if (tgain == 0.0) {
+
+ /* we were quiet last time, and we're still supposed to be quiet.
+ Silence the outputs, and make sure the buffers are quiet too,
+ */
+
+ _output->silence (nframes);
+ if (result_required) {
+ bufs.set_count (output_buffers().count ());
+ Amp::apply_simple_gain (bufs, nframes, 0.0);
+ }
+ goto out;
+
+ } else if (tgain != 1.0) {
+
+ /* target gain has not changed, but is not unity */
+ Amp::apply_simple_gain (bufs, nframes, tgain);
+ }
+
+#if 0
+ if (_session.transport_rolling()) {
+ cerr << name() << " first value written : " << scnt << endl;
+ for (BufferSet::audio_iterator b = bufs.audio_begin(); b != bufs.audio_end(); ++b) {
+ Sample* p = b->data ();
+ float s = (float) scnt;
+ for (pframes_t n = 0; n < nframes; ++n) {
+ p[n] = s * 0.001;
+ s += 1.0;
+ }
+ }
+ scnt += nframes;
+ }
+#endif
+
+ if (_panshell && !_panshell->bypassed()) {
+
+ // Use the panner to distribute audio to output port buffers
+
+ _panshell->run (bufs, output_buffers(), start_frame, end_frame, nframes);
+
+
+ } else {
+
+ // Do a 1:1 copy of data to output ports
+
+ if (bufs.count().n_audio() > 0 && ports.count().n_audio () > 0) {
+ _output->copy_to_outputs (bufs, DataType::AUDIO, nframes, 0);
+ }
+
+ if (bufs.count().n_midi() > 0 && ports.count().n_midi () > 0) {
+ _output->copy_to_outputs (bufs, DataType::MIDI, nframes, 0);
+ }
}
+
+ if (result_required) {
+ bufs.read_from (output_buffers (), nframes);
+ }
+
+ out:
+ _active = _pending_active;
}
XMLNode&
node.add_property("type", "delivery");
}
- node.add_property("metering", (_metering ? "yes" : "no"));
- node.add_property("self-muted", (_muted_by_self ? "yes" : "no"));
- node.add_property("other-muted", (_muted_by_others ? "yes" : "no"));
node.add_property("role", enum_2_string(_role));
+ if (_panshell) {
+ node.add_child_nocopy (_panshell->get_state ());
+ }
+
return node;
}
int
-Delivery::set_state (const XMLNode& node)
+Delivery::set_state (const XMLNode& node, int version)
{
const XMLProperty* prop;
-
+
+ if (IOProcessor::set_state (node, version)) {
+ return -1;
+ }
+
if ((prop = node.property ("role")) != 0) {
_role = Role (string_2_enum (prop->value(), _role));
+ // std::cerr << this << ' ' << _name << " set role to " << enum_2_string (_role) << std::endl;
+ } else {
+ // std::cerr << this << ' ' << _name << " NO ROLE INFO\n";
}
- if ((prop = node.property ("metering")) != 0) {
- set_metering (prop->value() == "yes");
+ XMLNode* pan_node = node.child (X_("PannerShell"));
+
+ if (pan_node && _panshell) {
+ _panshell->set_state (*pan_node, version);
}
- if ((prop = node.property ("self-muted")) != 0) {
- set_self_mute (prop->value() == "yes");
+ reset_panner ();
+
+ return 0;
+}
+
+void
+Delivery::unpan ()
+{
+ /* caller must hold process lock */
+
+ _panshell.reset ();
+}
+
+void
+Delivery::reset_panner ()
+{
+ if (panners_legal) {
+ if (!no_panner_reset) {
+
+ uint32_t ntargets;
+
+ if (_output) {
+ ntargets = _output->n_ports().n_audio();
+ } else {
+ ntargets = _configured_output.n_audio();
+ }
+
+ if (_panshell) {
+ _panshell->configure_io (ChanCount (DataType::AUDIO, pans_required()), ChanCount (DataType::AUDIO, ntargets));
+
+ if (_role == Main) {
+ _panshell->pannable()->set_panner (_panshell->panner());
+ }
+ }
+ }
+
+ } else {
+ panner_legal_c.disconnect ();
+ PannersLegal.connect_same_thread (panner_legal_c, boost::bind (&Delivery::panners_became_legal, this));
}
+}
- if ((prop = node.property ("other-muted")) != 0) {
- set_nonself_mute (prop->value() == "yes");
+int
+Delivery::panners_became_legal ()
+{
+ uint32_t ntargets;
+
+ if (_output) {
+ ntargets = _output->n_ports().n_audio();
+ } else {
+ ntargets = _configured_output.n_audio();
+ }
+
+ if (_panshell) {
+ _panshell->configure_io (ChanCount (DataType::AUDIO, pans_required()), ChanCount (DataType::AUDIO, ntargets));
+
+ if (_role == Main) {
+ _panshell->pannable()->set_panner (_panshell->panner());
+ }
}
+ panner_legal_c.disconnect ();
return 0;
}
+
+void
+Delivery::defer_pan_reset ()
+{
+ no_panner_reset = true;
+}
+
+void
+Delivery::allow_pan_reset ()
+{
+ no_panner_reset = false;
+ reset_panner ();
+}
+
+
+int
+Delivery::disable_panners (void)
+{
+ panners_legal = false;
+ return 0;
+}
+
+int
+Delivery::reset_panners ()
+{
+ panners_legal = true;
+ return *PannersLegal ();
+}
+
+void
+Delivery::flush_buffers (framecnt_t nframes, framepos_t time)
+{
+ /* io_lock, not taken: function must be called from Session::process() calltree */
+
+ PortSet& ports (_output->ports());
+
+ for (PortSet::iterator i = ports.begin(); i != ports.end(); ++i) {
+ (*i).flush_buffers (nframes, time);
+ }
+}
+
+void
+Delivery::transport_stopped (framepos_t now)
+{
+ Processor::transport_stopped (now);
+
+ if (_panshell) {
+ _panshell->pannable()->transport_stopped (now);
+ }
+
+ if (_output) {
+ PortSet& ports (_output->ports());
+
+ for (PortSet::iterator i = ports.begin(); i != ports.end(); ++i) {
+ (*i).transport_stopped ();
+ }
+ }
+}
+
+void
+Delivery::realtime_locate ()
+{
+ if (_output) {
+ PortSet& ports (_output->ports());
+
+ for (PortSet::iterator i = ports.begin(); i != ports.end(); ++i) {
+ (*i).realtime_locate ();
+ }
+ }
+}
+
+gain_t
+Delivery::target_gain ()
+{
+ /* if we've been requested to deactivate, our target gain is zero */
+
+ if (!_pending_active) {
+ return 0.0;
+ }
+
+ /* if we've been told not to output because its a monitoring situation and
+ we're not monitoring, then be quiet.
+ */
+
+ if (_no_outs_cuz_we_no_monitor) {
+ return 0.0;
+ }
+
+ MuteMaster::MutePoint mp = MuteMaster::Main; // stupid gcc uninit warning
+
+ switch (_role) {
+ case Main:
+ mp = MuteMaster::Main;
+ break;
+ case Listen:
+ mp = MuteMaster::Listen;
+ break;
+ case Send:
+ case Insert:
+ case Aux:
+ if (_pre_fader) {
+ mp = MuteMaster::PreFader;
+ } else {
+ mp = MuteMaster::PostFader;
+ }
+ break;
+ }
+
+ gain_t desired_gain = _mute_master->mute_gain_at (mp);
+
+ if (_role == Listen && _session.monitor_out() && !_session.listening()) {
+
+ /* nobody is soloed, and this delivery is a listen-send to the
+ control/monitor/listen bus, we should be silent since
+ it gets its signal from the master out.
+ */
+
+ desired_gain = 0.0;
+
+ }
+
+ return desired_gain;
+}
+
+void
+Delivery::no_outs_cuz_we_no_monitor (bool yn)
+{
+ _no_outs_cuz_we_no_monitor = yn;
+}
+
+bool
+Delivery::set_name (const std::string& name)
+{
+ bool ret = IOProcessor::set_name (name);
+
+ if (ret) {
+ ret = _panshell->set_name (name);
+ }
+
+ return ret;
+}
+
+void
+Delivery::output_changed (IOChange change, void* /*src*/)
+{
+ if (change.type & IOChange::ConfigurationChanged) {
+ reset_panner ();
+ _output_buffers->attach_buffers (_output->ports ());
+ }
+}
+
+boost::shared_ptr<Panner>
+Delivery::panner () const
+{
+ if (_panshell) {
+ return _panshell->panner();
+ } else {
+ return boost::shared_ptr<Panner>();
+ }
+}
+