: IOProcessor(s, boost::shared_ptr<IO>(), (role_requires_output_ports (r) ? io : boost::shared_ptr<IO>()), name)
, _role (r)
, _output_buffers (new BufferSet())
- , _current_gain (1.0)
+ , _amp (new Amp (s))
, _no_outs_cuz_we_no_monitor (false)
, _mute_master (mm)
, _no_panner_reset (false)
{
if (pannable) {
- _panshell = boost::shared_ptr<PannerShell>(new PannerShell (_name, _session, pannable));
+ bool is_send = false;
+ if (r & (Delivery::Send|Delivery::Aux)) is_send = true;
+ _panshell = boost::shared_ptr<PannerShell>(new PannerShell (_name, _session, pannable, is_send));
}
_display_to_user = false;
if (_output) {
_output->changed.connect_same_thread (*this, boost::bind (&Delivery::output_changed, this, _1, _2));
}
+
+ _amp->activate ();
}
/* deliver to a new IO object */
: IOProcessor(s, false, (role_requires_output_ports (r) ? true : false), name, "", DataType::AUDIO, (r == Send))
, _role (r)
, _output_buffers (new BufferSet())
- , _current_gain (1.0)
+ , _amp (new Amp (s))
, _no_outs_cuz_we_no_monitor (false)
, _mute_master (mm)
, _no_panner_reset (false)
{
if (pannable) {
- _panshell = boost::shared_ptr<PannerShell>(new PannerShell (_name, _session, pannable));
+ bool is_send = false;
+ if (r & (Delivery::Send|Delivery::Aux)) is_send = true;
+ _panshell = boost::shared_ptr<PannerShell>(new PannerShell (_name, _session, pannable, is_send));
}
_display_to_user = false;
if (_output) {
_output->changed.connect_same_thread (*this, boost::bind (&Delivery::output_changed, this, _1, _2));
}
-}
+ _amp->activate ();
+}
Delivery::~Delivery()
{
- DEBUG_TRACE (DEBUG::Destruction, string_compose ("delivery %1 destructor\n", _name));
+ DEBUG_TRACE (DEBUG::Destruction, string_compose ("delivery %1 destructor\n", _name));
/* this object should vanish from any signal callback lists
that it is on before we get any further. The full qualification
- of the method name is not necessary, but is here to make it
+ of the method name is not necessary, but is here to make it
clear that this call is about signals, not data flow connections.
*/
}
bool
-Delivery::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
+Delivery::can_support_io_configuration (const ChanCount& in, ChanCount& out)
{
if (_role == Main) {
}
} else {
fatal << "programming error: this should never be reached" << endmsg;
- /*NOTREACHED*/
+ abort(); /*NOTREACHED*/
}
}
} else {
fatal << "programming error: this should never be reached" << endmsg;
- /*NOTREACHED*/
+ abort(); /*NOTREACHED*/
}
} else {
bool
Delivery::configure_io (ChanCount in, ChanCount out)
{
- assert (!AudioEngine::instance()->process_lock().trylock());
+#ifndef NDEBUG
+ bool r = AudioEngine::instance()->process_lock().trylock();
+ assert (!r && "trylock inside Delivery::configure_io");
+#endif
/* check configuration by comparison with our I/O port configuration, if appropriate.
see ::can_support_io_configuration() for comments
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*/
+ abort(); /*NOTREACHED*/
} else {
/* I/O not yet configured */
}
PortSet& ports (_output->ports());
gain_t tgain;
+ bool need_amp = true;
if (_output->n_ports ().get (_output->default_type()) == 0) {
goto out;
processing pathway that wants to use this->output_buffers() for some reason.
*/
- output_buffers().get_jack_port_addresses (ports, nframes);
+ // TODO delayline -- latency-compensation
+ output_buffers().get_backend_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
tgain = target_gain ();
- if (tgain != _current_gain) {
- /* target gain has changed */
+ if (tgain < GAIN_COEFF_SMALL && _amp->gain() < GAIN_COEFF_SMALL) {
- Amp::apply_gain (bufs, nframes, _current_gain, tgain);
- _current_gain = tgain;
+ /* special case (but very common) fast path:
+ *
+ * if we are supposed to be silent, and we were already silent,
+ * then short-circuit the computation in Amp and just put silence into
+ * our output(s)
+ */
- } else if (tgain == 0.0) {
+ _output->silence (nframes);
- /* we were quiet last time, and we're still supposed to be quiet.
- Silence the outputs, and make sure the buffers are quiet too,
- */
+ if (!result_required) {
+ /* if !result_required, then the buffers won't actually
+ * be used. This means we don't actually need to silence
+ * them, because we've already filled the output ports
+ * with silence.
+ *
+ * but we just noted that result_required is true,
+ * and so we do need to run the amp to ensure
+ * that the buffers are silenced.
+ */
+ need_amp = false;
+ }
+ }
+
+ if (need_amp) {
+
+ bufs.set_count (output_buffers().count ());
+
+ if (_role != Main) {
+
+ /* inserts, external and internal sends have
+ * automatable gain and the Amp::run() method has
+ * already been executed by the time we get here.
+ *
+ * XXX we do not expose the automatable gain for
+ * Inserts as of September 2015.
+ */
+
+ } else {
+
+ /* main outs have no automatable gain, the amp is just
+ * used for ramping gain changes caused by monitoring
+ * state changes.
+ */
+
+ _amp->set_gain (tgain, this);
+ _amp->run (bufs, 0, 0, nframes, false);
- _output->silence (nframes);
- if (result_required) {
- bufs.set_count (output_buffers().count ());
- Amp::apply_simple_gain (bufs, nframes, 0.0);
}
+
+ } else {
goto out;
+ }
- } else if (tgain != 1.0) {
+ // Speed quietning
- /* target gain has not changed, but is not unity */
- Amp::apply_simple_gain (bufs, nframes, tgain);
+ if (fabs (_session.transport_speed()) > 1.5 && Config->get_quieten_at_speed ()) {
+ Amp::apply_simple_gain (bufs, nframes, speed_quietning, false);
}
+ // Panning
+
if (_panshell && !_panshell->bypassed() && _panshell->panner()) {
// Use the panner to distribute audio to output port buffers
if (_panshell) {
node.add_child_nocopy (_panshell->get_state ());
+ if (_panshell->pannable()) {
+ node.add_child_nocopy (_panshell->pannable()->get_state ());
+ }
}
return node;
reset_panner ();
+ XMLNode* pannnode = node.child (X_("Pannable"));
+ if (_panshell && _panshell->panner() && pannnode) {
+ _panshell->pannable()->set_state (*pannnode, version);
+ }
+
return 0;
}
{
if (_output) {
return _output->n_ports().n_audio();
- }
+ }
return _configured_output.n_audio();
}
if (panners_legal) {
if (!_no_panner_reset) {
- if (_panshell) {
+ if (_panshell && _role != Insert && _role != Listen) {
_panshell->configure_io (ChanCount (DataType::AUDIO, pans_required()), ChanCount (DataType::AUDIO, pan_outs()));
-
- if (_role == Main) {
- _panshell->pannable()->set_panner (_panshell->panner());
- }
}
}
void
Delivery::panners_became_legal ()
{
- if (_panshell) {
+ if (_panshell && _role != Insert) {
_panshell->configure_io (ChanCount (DataType::AUDIO, pans_required()), ChanCount (DataType::AUDIO, pan_outs()));
-
- if (_role == Main) {
- _panshell->pannable()->set_panner (_panshell->panner());
- }
}
panner_legal_c.disconnect ();
if (!_output) {
return;
}
-
+
PortSet& ports (_output->ports());
for (PortSet::iterator i = ports.begin(); i != ports.end(); ++i) {
/* if we've been requested to deactivate, our target gain is zero */
if (!_pending_active) {
- return 0.0;
+ return GAIN_COEFF_ZERO;
}
/* 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;
+ if (_role == Main && _session.config.get_use_monitor_fades() && _no_outs_cuz_we_no_monitor) {
+ return GAIN_COEFF_ZERO;
}
MuteMaster::MutePoint mp = MuteMaster::Main; // stupid gcc uninit warning
it gets its signal from the master out.
*/
- desired_gain = 0.0;
+ desired_gain = GAIN_COEFF_ZERO;
}
{
bool ret = IOProcessor::set_name (name);
- if (ret) {
+ if (ret && _panshell) {
ret = _panshell->set_name (name);
}