X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Finternal_send.cc;h=dac1839a5ea07a89bfc2a0907a75be81281c800e;hb=0da58eeebf513ad1ffea6e8c3ba96d20ab065eb7;hp=db0390e813f8290a96fe891a505c7a1bf2c5acc1;hpb=1e8047f0ed022b617716184450479e39dead058d;p=ardour.git diff --git a/libs/ardour/internal_send.cc b/libs/ardour/internal_send.cc index db0390e813..dac1839a5e 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 @@ -17,80 +17,170 @@ */ -#include - #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 "i18n.h" +namespace ARDOUR { class MuteMaster; class Pannable; } + using namespace PBD; using namespace ARDOUR; +using namespace std; + +PBD::Signal1 InternalSend::CycleStart; -InternalSend::InternalSend (Session& s, boost::shared_ptr mm, boost::shared_ptr sendto) - : Send (s, mm, true) - , _send_to (sendto) +InternalSend::InternalSend (Session& s, boost::shared_ptr p, boost::shared_ptr mm, boost::shared_ptr sendto, Delivery::Role role) + : Send (s, p, mm, role) { - if ((target = _send_to->get_return_buffer ()) == 0) { - throw failed_constructor(); - } + if (sendto) { + if (use_target (sendto)) { + throw failed_constructor(); + } + } + + init_gain (); - _send_to->GoingAway.connect (mem_fun (*this, &InternalSend::send_to_going_away)); + CycleStart.connect_same_thread (*this, boost::bind (&InternalSend::cycle_start, this, _1)); } -InternalSend::InternalSend (Session& s, boost::shared_ptr 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 */ + _amp->set_gain (1.0, this); + } else { + /* aux sends start at -inf dB */ + _amp->set_gain (0, this); + } +} + +int +InternalSend::use_target (boost::shared_ptr 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_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, 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()) { + _panshell->run (bufs, mixbufs, start_frame, end_frame, nframes); + } 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); + Amp::apply_gain (mixbufs, nframes, _current_gain, tgain); _current_gain = tgain; } else if (tgain == 0.0) { @@ -99,35 +189,43 @@ InternalSend::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, */ _meter->reset (); - Amp::apply_simple_gain (sendbufs, nframes, 0.0); - - return; + Amp::apply_simple_gain (mixbufs, nframes, 0.0); + goto out; } else if (tgain != 1.0) { - /* 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, nframes, true); /* consider metering */ - + if (_metering) { if (_amp->gain_control()->get_value() == 0) { _meter->reset(); } else { - _meter->run (sendbufs, start_frame, end_frame, nframes); + _meter->run (mixbufs, start_frame, end_frame, 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 @@ -141,14 +239,14 @@ InternalSend::state (bool full) { 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; } @@ -159,11 +257,13 @@ InternalSend::get_state() } int -InternalSend::set_state (const XMLNode& node) +InternalSend::set_state (const XMLNode& node, int version) { const XMLProperty* prop; - Send::set_state (node); + init_gain (); + + Send::set_state (node, version); if ((prop = node.property ("target")) != 0) { @@ -175,12 +275,12 @@ InternalSend::set_state (const XMLNode& node) */ 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; } @@ -194,22 +294,95 @@ InternalSend::connect_when_legal () 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 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 (); + } +}