X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Finternal_send.cc;h=1746b00847e49a739f19293de18269fa3fb4ed62;hb=f6b59676b50d11dca38318c55a3ad38655cdb77d;hp=56667baf4d0192587c3a72849f80d2b785fdd159;hpb=aaa91db6d9592684258267981e619b44cc2b7c40;p=ardour.git diff --git a/libs/ardour/internal_send.cc b/libs/ardour/internal_send.cc index 56667baf4d..1746b00847 100644 --- a/libs/ardour/internal_send.cc +++ b/libs/ardour/internal_send.cc @@ -1,5 +1,5 @@ /* - 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 @@ -17,197 +17,410 @@ */ -#include +#include "pbd/error.h" +#include "pbd/failed_constructor.h" -#include +#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 -#include -#include -#include -#include -#include -#include -#include +#include "pbd/i18n.h" -#include "i18n.h" +namespace ARDOUR { class MuteMaster; class Pannable; } -using namespace ARDOUR; using namespace PBD; - -InternalSend::InternalSend (Session& s, Placement p, boost::shared_ptr dst) - : IOProcessor (s, string_compose (_(">%1"), dst->name()), p, - -1, -1, -1, -1, - DataType::AUDIO, false) - , destination (dst) +using namespace ARDOUR; +using namespace std; + +PBD::Signal1 InternalSend::CycleStart; + +InternalSend::InternalSend (Session& s, + boost::shared_ptr p, + boost::shared_ptr mm, + boost::shared_ptr sendfrom, + boost::shared_ptr sendto, + Delivery::Role role, + bool ignore_bitslot) + : Send (s, p, mm, role, ignore_bitslot) + , _send_from (sendfrom) { - _metering = false; - - destination->input_changed.connect (mem_fun (*this, &InternalSend::destination_io_config_changed)); + if (sendto) { + if (use_target (sendto)) { + throw failed_constructor(); + } + } - destination_io_config_changed (ConfigurationChanged, this); + init_gain (); - ProcessorCreated (this); /* EMIT SIGNAL */ + _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 () { - GoingAway (); + if (_send_to) { + _send_to->remove_send_from_internal_return (this); + } } void -InternalSend::destination_io_config_changed (IOChange c, void* src) +InternalSend::init_gain () { - if (!(c & ConfigurationChanged)) { - return; + 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); } +} - _io->disconnect_outputs (this); +int +InternalSend::use_target (boost::shared_ptr sendto) +{ + if (_send_to) { + _send_to->remove_send_from_internal_return (this); + } - _io->ensure_io (ChanCount::ZERO, destination->n_inputs(), false, this); + _send_to = sendto; - PortSet::const_iterator us (_io->outputs().begin()); - PortSet::const_iterator them (destination->inputs().begin ()); + _send_to->add_send_to_internal_return (this); - for (; us != _io->outputs().end() && them != destination->inputs().end(); ++us, ++them) { - (const_cast(&(*us)))->connect (const_cast(&(*them))); - } + 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; } -XMLNode& -InternalSend::get_state(void) +void +InternalSend::target_io_changed () { - fatal << X_("InternalSend::get_state() called - should never happen") << endmsg; - /*NOTREACHED*/ - return *(new XMLNode ("foo")); + 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(); } -int -InternalSend::set_state(const XMLNode& node) +void +InternalSend::send_from_going_away () { - fatal << X_("InternalSend::set_state() called - should never happen") << endmsg; - /*NOTREACHED*/ - return 0; + _send_from.reset(); } void -InternalSend::run_in_place (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset) +InternalSend::send_to_going_away () { - if (active()) { - - // we have to copy the input, because IO::deliver_output may alter the buffers - // in-place, which a send must never do. otherwise its gain settings will - // affect the signal seen later in the parent Route. + target_connections.drop_connections (); + _send_to.reset (); + _send_to_id = "0"; +} - // BufferSet& sendbufs = _session.get_mix_buffers(bufs.count()); +void +InternalSend::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, double speed, pframes_t nframes, bool) +{ + if ((!_active && !_pending_active) || !_send_to) { + _meter->reset (); + return; + } - // sendbufs.read_from (bufs, nframes); - // assert(sendbufs.count() == bufs.count()); + // we have to copy the input, because we may alter the buffers with the amp + // in-place, which a send must never do. - _io->deliver_output (bufs, start_frame, end_frame, nframes, offset); + if (_panshell && !_panshell->bypassed() && role() != Listen) { + if (mixbufs.count ().n_audio () > 0) { + _panshell->run (bufs, mixbufs, start_frame, end_frame, nframes); + } - if (_metering) { - if (_io->effective_gain() == 0) { - _io->peak_meter().reset(); - } else { - _io->peak_meter().run_in_place(_io->output_buffers(), start_frame, end_frame, nframes, offset); + /* 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 { - _io->silence (nframes, offset); - if (_metering) { - _io->peak_meter().reset(); + 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 */ + + _current_gain = Amp::apply_gain (mixbufs, _session.nominal_frame_rate(), nframes, _current_gain, tgain); + + } 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 (mixbufs, nframes, GAIN_COEFF_ZERO); + goto out; + + } else if (tgain != GAIN_COEFF_UNITY) { + + /* target gain has not changed, but is not zero or unity */ + Amp::apply_simple_gain (mixbufs, nframes, tgain); + } + + _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() == GAIN_COEFF_ZERO) { + _meter->reset(); + } else { + _meter->run (mixbufs, start_frame, end_frame, speed, nframes, true); + } + } + + /* target will pick up our output when it is ready */ + + out: + _active = _pending_active; } -void -InternalSend::set_metering (bool yn) +int +InternalSend::set_block_size (pframes_t nframes) { - _metering = yn; - - if (!_metering) { - /* XXX possible thread hazard here */ - _io->peak_meter().reset(); + if (_send_to) { + mixbufs.ensure_buffers (_send_to->internal_return()->input_streams(), nframes); } + + return 0; } bool -InternalSend::can_support_io_configuration (const ChanCount& in, ChanCount& out_is_ignored) const +InternalSend::feeds (boost::shared_ptr other) const { - /* number of outputs is fixed (though mutable by changing the I/O configuration - of the destination) - */ + return _send_to == other; +} + +XMLNode& +InternalSend::state (bool full) +{ + XMLNode& node (Send::state (full)); + + /* this replaces any existing "type" property */ - cerr << "IS: testing I/O config in=" << in.n_audio() << " out=" << out_is_ignored.n_audio() << endl; + node.add_property ("type", "intsend"); - if (in == _io->n_outputs()) { - return 1; + if (_send_to) { + node.add_property ("target", _send_to->id().to_s()); } - return -1; + return node; } -bool -InternalSend::configure_io (ChanCount in, ChanCount out) +XMLNode& +InternalSend::get_state() { - cerr << "Configure IS for in " << in.n_audio() << " out = " << out.n_audio() << endl; + return state (true); +} - /* we're transparent no matter what. fight the power. */ +int +InternalSend::set_state (const XMLNode& node, int version) +{ + XMLProperty const * prop; + + init_gain (); + + Send::set_state (node, version); + + if ((prop = node.property ("target")) != 0) { - if (out != in) { - return false; + _send_to_id = prop->value(); + + /* if we're loading a session, the target route may not have been + create yet. make sure we defer till we are sure that it should + exist. + */ + + if (!IO::connecting_legal) { + IO::ConnectingLegal.connect_same_thread (connect_c, boost::bind (&InternalSend::connect_when_legal, this)); + } else { + connect_when_legal (); + } } - _io->set_output_maximum (in); - _io->set_output_minimum (in); - _io->set_input_maximum (ChanCount::ZERO); - _io->set_input_minimum (ChanCount::ZERO); + return 0; +} + +int +InternalSend::connect_when_legal () +{ + connect_c.disconnect (); + + if (_send_to_id == "0") { + /* it vanished before we could connect */ + return 0; + } - out = _io->n_outputs(); + boost::shared_ptr sendto; - Processor::configure_io(in, out); + 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; + } - _io->reset_panner(); + return use_target (sendto); +} +bool +InternalSend::can_support_io_configuration (const ChanCount& in, ChanCount& out) +{ + out = in; return true; } -ChanCount -InternalSend::output_streams() const +uint32_t +InternalSend::pan_outs () const { - // this method reflects the idea that from the perspective of the Route's ProcessorList, - // a send is just a passthrough. that doesn't match what the Send actually does with its - // data, but since what it does is invisible to the Route, it appears to be a passthrough. - - return _io->n_outputs (); + /* 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" + */ } -ChanCount -InternalSend::input_streams() const +bool +InternalSend::configure_io (ChanCount in, ChanCount out) { - return _configured_input; + 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::expect_inputs (const ChanCount& expected) +InternalSend::send_to_property_changed (const PropertyChange& what_changed) { - if (expected != expected_inputs) { - expected_inputs = expected; - _io->reset_panner (); + if (what_changed.contains (Properties::name)) { + set_name (_send_to->name ()); } } void -InternalSend::activate () +InternalSend::set_can_pan (bool yn) { - Processor::activate (); + if (_panshell) { + _panshell->set_bypassed (!yn); + } } void -InternalSend::deactivate () +InternalSend::cycle_start (pframes_t /*nframes*/) { - Processor::deactivate (); + for (BufferSet::audio_iterator b = mixbufs.audio_begin(); b != mixbufs.audio_end(); ++b) { + b->prepare (); + } }