/*
- 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
*/
-#include <iostream>
-
#include "pbd/error.h"
#include "pbd/failed_constructor.h"
#include "ardour/amp.h"
+#include "ardour/audio_buffer.h"
+#include "ardour/internal_return.h"
#include "ardour/internal_send.h"
#include "ardour/meter.h"
+#include "ardour/panner_shell.h"
#include "ardour/route.h"
#include "ardour/session.h"
+#include "ardour/audioengine.h"
+
+#include "pbd/i18n.h"
-#include "i18n.h"
+namespace ARDOUR { class MuteMaster; class Pannable; }
using namespace PBD;
using namespace ARDOUR;
-
-InternalSend::InternalSend (Session& s, boost::shared_ptr<MuteMaster> mm, boost::shared_ptr<Route> sendto)
- : Send (s, mm, true)
- , _send_to (sendto)
+using namespace std;
+
+PBD::Signal1<void, pframes_t> InternalSend::CycleStart;
+
+InternalSend::InternalSend (Session& s,
+ boost::shared_ptr<Pannable> p,
+ boost::shared_ptr<MuteMaster> mm,
+ boost::shared_ptr<Route> sendfrom,
+ boost::shared_ptr<Route> sendto,
+ Delivery::Role role,
+ bool ignore_bitslot)
+ : Send (s, p, mm, role, ignore_bitslot)
+ , _send_from (sendfrom)
{
- if ((target = _send_to->get_return_buffer ()) == 0) {
- throw failed_constructor();
+ if (sendto) {
+ if (use_target (sendto)) {
+ throw failed_constructor();
+ }
}
- _send_to->GoingAway.connect (mem_fun (*this, &InternalSend::send_to_going_away));
+ init_gain ();
+
+ _send_from->DropReferences.connect_same_thread (source_connection, boost::bind (&InternalSend::send_from_going_away, this));
+ CycleStart.connect_same_thread (*this, boost::bind (&InternalSend::cycle_start, this, _1));
}
-InternalSend::InternalSend (Session& s, boost::shared_ptr<MuteMaster> mm, const XMLNode& node)
- : Send (s, mm, node, true)
+InternalSend::~InternalSend ()
{
- set_state (node);
+ if (_send_to) {
+ _send_to->remove_send_from_internal_return (this);
+ }
}
-InternalSend::~InternalSend ()
+void
+InternalSend::init_gain ()
+{
+ if (_role == Listen) {
+ /* send to monitor bus is always at unity */
+ _gain_control->set_value (GAIN_COEFF_UNITY, PBD::Controllable::NoGroup);
+ } else {
+ /* aux sends start at -inf dB */
+ _gain_control->set_value (GAIN_COEFF_ZERO, PBD::Controllable::NoGroup);
+ }
+}
+
+int
+InternalSend::use_target (boost::shared_ptr<Route> sendto)
{
if (_send_to) {
- _send_to->release_return_buffer ();
+ _send_to->remove_send_from_internal_return (this);
}
- connect_c.disconnect ();
+ _send_to = sendto;
+
+ _send_to->add_send_to_internal_return (this);
+
+ mixbufs.ensure_buffers (_send_to->internal_return()->input_streams(), _session.get_block_size());
+ mixbufs.set_count (_send_to->internal_return()->input_streams());
+
+ reset_panner ();
+
+ set_name (sendto->name());
+ _send_to_id = _send_to->id();
+
+ target_connections.drop_connections ();
+
+ _send_to->DropReferences.connect_same_thread (target_connections, boost::bind (&InternalSend::send_to_going_away, this));
+ _send_to->PropertyChanged.connect_same_thread (target_connections, boost::bind (&InternalSend::send_to_property_changed, this, _1));
+ _send_to->io_changed.connect_same_thread (target_connections, boost::bind (&InternalSend::target_io_changed, this));
+
+ return 0;
+}
+
+void
+InternalSend::target_io_changed ()
+{
+ assert (_send_to);
+ mixbufs.ensure_buffers (_send_to->internal_return()->input_streams(), _session.get_block_size());
+ mixbufs.set_count (_send_to->internal_return()->input_streams());
+ reset_panner();
+}
+
+void
+InternalSend::send_from_going_away ()
+{
+ _send_from.reset();
}
void
InternalSend::send_to_going_away ()
{
- target = 0;
+ target_connections.drop_connections ();
_send_to.reset ();
_send_to_id = "0";
}
void
-InternalSend::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes)
+InternalSend::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, double speed, pframes_t nframes, bool)
{
- if (!_active || !target || !_send_to) {
+ if ((!_active && !_pending_active) || !_send_to) {
_meter->reset ();
return;
}
// we have to copy the input, because we may alter the buffers with the amp
// in-place, which a send must never do.
-
- BufferSet& sendbufs = _session.get_mix_buffers (bufs.count());
- sendbufs.read_from (bufs, nframes);
- assert(sendbufs.count() == bufs.count());
-
+
+ if (_panshell && !_panshell->bypassed() && role() != Listen) {
+ if (mixbufs.count ().n_audio () > 0) {
+ _panshell->run (bufs, mixbufs, start_frame, end_frame, nframes);
+ }
+
+ /* non-audio data will not have been copied by the panner, do it now
+ * if there are more buffers available than send buffers, ignore them,
+ * if there are less, copy the last as IO::copy_to_output does. */
+
+ for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
+ if (*t != DataType::AUDIO) {
+ BufferSet::iterator o = mixbufs.begin(*t);
+ BufferSet::iterator i = bufs.begin(*t);
+
+ while (i != bufs.end(*t) && o != mixbufs.end(*t)) {
+ o->read_from (*i, nframes);
+ ++i;
+ ++o;
+ }
+ while (o != mixbufs.end(*t)) {
+ o->silence(nframes, 0);
+ ++o;
+ }
+ }
+ }
+ } else {
+ if (role() == Listen) {
+ /* We're going to the monitor bus, so discard MIDI data */
+
+ uint32_t const bufs_audio = bufs.count().get (DataType::AUDIO);
+ uint32_t const mixbufs_audio = mixbufs.count().get (DataType::AUDIO);
+
+ /* monitor-section has same number of channels as master-bus (on creation).
+ *
+ * There is no clear answer what should happen when trying to PFL or AFL
+ * a track that has more channels (bufs_audio from source-track is
+ * larger than mixbufs).
+ *
+ * There are two options:
+ * 1: discard additional channels (current)
+ * OR
+ * 2: require the monitor-section to have at least as many channels
+ * as the largest count of any route
+ */
+ //assert (mixbufs.available().get (DataType::AUDIO) >= bufs_audio);
+
+ /* Copy bufs into mixbufs, going round bufs more than once if necessary
+ to ensure that every mixbuf gets some data.
+ */
+
+ uint32_t j = 0;
+ for (uint32_t i = 0; i < mixbufs_audio; ++i) {
+ mixbufs.get_audio(i).read_from (bufs.get_audio(j), nframes);
+ ++j;
+
+ if (j == bufs_audio) {
+ j = 0;
+ }
+ }
+
+ } else {
+ assert (mixbufs.available() >= bufs.count());
+ mixbufs.read_from (bufs, nframes);
+ }
+ }
+
/* gain control */
gain_t tgain = target_gain ();
-
+
if (tgain != _current_gain) {
-
+
/* target gain has changed */
- Amp::apply_gain (sendbufs, nframes, _current_gain, tgain);
- _current_gain = tgain;
+ _current_gain = Amp::apply_gain (mixbufs, _session.nominal_frame_rate(), nframes, _current_gain, tgain);
- } else if (tgain == 0.0) {
+ } else if (tgain == GAIN_COEFF_ZERO) {
/* we were quiet last time, and we're still supposed to be quiet.
*/
_meter->reset ();
- Amp::apply_simple_gain (sendbufs, nframes, 0.0);
-
- return;
+ Amp::apply_simple_gain (mixbufs, nframes, GAIN_COEFF_ZERO);
+ goto out;
- } else if (tgain != 1.0) {
+ } else if (tgain != GAIN_COEFF_UNITY) {
- /* target gain has not changed, but is not unity */
- Amp::apply_simple_gain (sendbufs, nframes, tgain);
+ /* target gain has not changed, but is not zero or unity */
+ Amp::apply_simple_gain (mixbufs, nframes, tgain);
}
-
- // Can't automate gain for sends or returns yet because we need different buffers
- // so that we don't overwrite the main automation data for the route amp
- // _amp->setup_gain_automation (start_frame, end_frame, nframes);
- _amp->run (sendbufs, start_frame, end_frame, nframes);
+ _amp->set_gain_automation_buffer (_session.send_gain_automation_buffer ());
+ _amp->setup_gain_automation (start_frame, end_frame, nframes);
+ _amp->run (mixbufs, start_frame, end_frame, speed, nframes, true);
+
+ _delayline->run (mixbufs, start_frame, end_frame, speed, nframes, true);
/* consider metering */
-
+
if (_metering) {
- if (_amp->gain_control()->get_value() == 0) {
+ if (_amp->gain_control()->get_value() == GAIN_COEFF_ZERO) {
_meter->reset();
} else {
- _meter->run (sendbufs, start_frame, end_frame, nframes);
+ _meter->run (mixbufs, start_frame, end_frame, speed, nframes, true);
}
}
- /* deliver to target */
+ /* target will pick up our output when it is ready */
- target->merge_from (sendbufs, nframes);
+ out:
+ _active = _pending_active;
+}
+
+int
+InternalSend::set_block_size (pframes_t nframes)
+{
+ if (_send_to) {
+ mixbufs.ensure_buffers (_send_to->internal_return()->input_streams(), nframes);
+ }
+
+ return 0;
}
bool
{
XMLNode& node (Send::state (full));
- /* this replaces any existing property */
+ /* this replaces any existing "type" property */
node.add_property ("type", "intsend");
if (_send_to) {
node.add_property ("target", _send_to->id().to_s());
}
-
+
return node;
}
}
int
-InternalSend::set_state (const XMLNode& node)
+InternalSend::set_state (const XMLNode& node, int version)
{
- const XMLProperty* prop;
+ XMLProperty const * prop;
+
+ init_gain ();
- Send::set_state (node);
+ Send::set_state (node, version);
if ((prop = node.property ("target")) != 0) {
*/
if (!IO::connecting_legal) {
- connect_c = IO::ConnectingLegal.connect (mem_fun (*this, &InternalSend::connect_when_legal));
+ IO::ConnectingLegal.connect_same_thread (connect_c, boost::bind (&InternalSend::connect_when_legal, this));
} else {
connect_when_legal ();
}
}
-
+
return 0;
}
return 0;
}
- if ((_send_to = _session.route_by_id (_send_to_id)) == 0) {
- error << X_("cannot find route to connect to") << endmsg;
- return -1;
- }
-
- if ((target = _send_to->get_return_buffer ()) == 0) {
- error << X_("target for internal send has no return buffer") << endmsg;
+ boost::shared_ptr<Route> sendto;
+
+ if ((sendto = _session.route_by_id (_send_to_id)) == 0) {
+ error << string_compose (_("%1 - cannot find any track/bus with the ID %2 to connect to"), display_name(), _send_to_id) << endmsg;
+ cerr << string_compose (_("%1 - cannot find any track/bus with the ID %2 to connect to"), display_name(), _send_to_id) << endl;
return -1;
}
- return 0;
+ return use_target (sendto);
}
-bool
-InternalSend::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
+bool
+InternalSend::can_support_io_configuration (const ChanCount& in, ChanCount& out)
{
out = in;
return true;
}
+
+uint32_t
+InternalSend::pan_outs () const
+{
+ /* the number of targets for our panner is determined by what we are
+ sending to, if anything.
+ */
+
+ if (_send_to) {
+ return _send_to->internal_return()->input_streams().n_audio();
+ }
+
+ return 1; /* zero is more accurate, but 1 is probably safer as a way to
+ * say "don't pan"
+ */
+}
+
+bool
+InternalSend::configure_io (ChanCount in, ChanCount out)
+{
+ bool ret = Send::configure_io (in, out);
+ set_block_size (_session.engine().samples_per_cycle());
+ return ret;
+}
+
+bool
+InternalSend::set_name (const string& str)
+{
+ /* rules for external sends don't apply to us */
+ return IOProcessor::set_name (str);
+}
+
+string
+InternalSend::display_name () const
+{
+ if (_role == Aux) {
+ return string_compose (X_("%1"), _name);
+ } else {
+ return _name;
+ }
+}
+
+bool
+InternalSend::visible () const
+{
+ if (_role == Aux) {
+ return true;
+ }
+
+ return false;
+}
+
+void
+InternalSend::send_to_property_changed (const PropertyChange& what_changed)
+{
+ if (what_changed.contains (Properties::name)) {
+ set_name (_send_to->name ());
+ }
+}
+
+void
+InternalSend::set_can_pan (bool yn)
+{
+ if (_panshell) {
+ _panshell->set_bypassed (!yn);
+ }
+}
+
+void
+InternalSend::cycle_start (pframes_t /*nframes*/)
+{
+ for (BufferSet::audio_iterator b = mixbufs.audio_begin(); b != mixbufs.audio_end(); ++b) {
+ b->prepare ();
+ }
+}
projects / ardour.git / blobdiff