X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsend.cc;h=e4fbf3efba6bb5bf11ce6d6534146bb780a0d8fa;hb=7d96960b162d25da87c388a3083775e8770bba56;hp=c67e0fcdbeff619b2dbf99f76b09b98e5d41a3a5;hpb=0b572cdd84151335594965a3f0ed16f1665dfa56;p=ardour.git diff --git a/libs/ardour/send.cc b/libs/ardour/send.cc index c67e0fcdbe..e4fbf3efba 100644 --- a/libs/ardour/send.cc +++ b/libs/ardour/send.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2000 Paul Davis + Copyright (C) 2000 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 @@ -15,56 +15,121 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id$ */ +#include #include -#include +#include "pbd/xml++.h" + +#include "ardour/amp.h" +#include "ardour/send.h" +#include "ardour/session.h" +#include "ardour/port.h" +#include "ardour/audio_port.h" +#include "ardour/buffer_set.h" +#include "ardour/meter.h" +#include "ardour/panner.h" +#include "ardour/io.h" -#include -#include -#include -#include -#include -#include #include "i18n.h" using namespace ARDOUR; using namespace PBD; +using namespace std; -Send::Send (Session& s, Placement p) - : Redirect (s, s.next_send_name(), p) +Send::Send (Session& s, boost::shared_ptr mm, Role r) + : Delivery (s, mm, string_compose (_("send %1"), (_bitslot = s.next_send_id()) + 1), r) + , _metering (false) { - _metering = false; - save_state (_("initial state")); - RedirectCreated (this); /* EMIT SIGNAL */ + _amp.reset (new Amp (_session, _mute_master)); + _meter.reset (new PeakMeter (_session)); + + ProcessorCreated (this); /* EMIT SIGNAL */ } -Send::Send (Session& s, const XMLNode& node) - : Redirect (s, "send", PreFader) +Send::Send (Session& s, boost::shared_ptr mm, const XMLNode& node, int version, Role r) + : Delivery (s, mm, "send", r) + , _metering (false) { - _metering = false; + _amp.reset (new Amp (_session, _mute_master)); + _meter.reset (new PeakMeter (_session)); - if (set_state (node)) { + if (set_state (node, version)) { throw failed_constructor(); } - save_state (_("initial state")); - RedirectCreated (this); /* EMIT SIGNAL */ + ProcessorCreated (this); /* EMIT SIGNAL */ } -Send::Send (const Send& other) - : Redirect (other._session, other._session.next_send_name(), other.placement()) +Send::~Send () { - _metering = false; - save_state (_("initial state")); - RedirectCreated (this); /* EMIT SIGNAL */ } -Send::~Send () +void +Send::activate () { - GoingAway (this); + _amp->activate (); + _meter->activate (); + + Processor::activate (); +} + +void +Send::deactivate () +{ + _amp->deactivate (); + _meter->deactivate (); + _meter->reset (); + + Processor::deactivate (); +} + +void +Send::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes, bool) +{ + if (_output->n_ports() == ChanCount::ZERO) { + _meter->reset (); + _active = _pending_active; + return; + } + + if (!_active && !_pending_active) { + _meter->reset (); + _output->silence (nframes); + _active = _pending_active; + return; + } + + // we have to copy the input, because deliver_output() may alter the buffers + // 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()); + + /* gain control */ + + // 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, true); + + /* deliver to outputs */ + + Delivery::run (sendbufs, start_frame, end_frame, nframes, true); + + /* consider metering */ + + if (_metering) { + if (_amp->gain_control()->get_value() == 0) { + _meter->reset(); + } else { + _meter->run (*_output_buffers, start_frame, end_frame, nframes, true); + } + } + + /* _active was set to _pending_active by Delivery::run() */ } XMLNode& @@ -76,81 +141,128 @@ Send::get_state(void) XMLNode& Send::state(bool full) { - XMLNode *node = new XMLNode("Send"); - node->add_child_nocopy (Redirect::state(full)); - return *node; + XMLNode& node = Delivery::state(full); + char buf[32]; + + node.add_property ("type", "send"); + snprintf (buf, sizeof (buf), "%" PRIu32, _bitslot); + node.add_property ("bitslot", buf); + + return node; } int -Send::set_state(const XMLNode& node) +Send::set_state (const XMLNode& node, int version) { XMLNodeList nlist = node.children(); XMLNodeIterator niter; - - for (niter = nlist.begin(); niter != nlist.end(); ++niter) { - if ((*niter)->name() == Redirect::state_node_name) { - Redirect::set_state (**niter); - break; - } - } + const XMLProperty* prop; - if (niter == nlist.end()) { - error << _("XML node describing a send is missing a Redirect node") << endmsg; - return -1; + if ((prop = node.property ("bitslot")) == 0) { + _bitslot = _session.next_send_id(); + } else { + sscanf (prop->value().c_str(), "%" PRIu32, &_bitslot); + cerr << this << " scanned " << prop->value() << " to get " << _bitslot << endl; + _session.mark_send_id (_bitslot); } + const XMLNode* insert_node = &node; + + /* XXX need to load automation state & data for amp */ + + Delivery::set_state (*insert_node, version); + return 0; } -void -Send::run (BufferSet& bufs, jack_nframes_t start_frame, jack_nframes_t end_frame, jack_nframes_t nframes, jack_nframes_t offset) +bool +Send::can_support_io_configuration (const ChanCount& in, ChanCount& out) const { - if (active()) { + /* sends have no impact at all on the channel configuration of the + streams passing through the route. so, out == in. + */ - // we have to copy the input, because IO::deliver_output may alter the buffers - // in-place, which a send must never do. + out = in; + return true; +} - BufferSet& sendbufs = _session.get_send_buffers(bufs.count()); +bool +Send::configure_io (ChanCount in, ChanCount out) +{ + if (!_amp->configure_io (in, out) || !_meter->configure_io (in, out)) { + return false; + } - sendbufs.read_from(bufs, nframes); - assert(sendbufs.count() == bufs.count()); - assert(sendbufs.count() == _outputs.count()); + if (!Processor::configure_io (in, out)) { + return false; + } - IO::deliver_output (sendbufs, start_frame, end_frame, nframes, offset); + reset_panner (); - if (_metering) { - if (_gain == 0) { - _meter->reset(); - } else { - _meter->run(output_buffers(), nframes, offset); - } - } + return true; +} - } else { - silence (nframes, offset); - - if (_metering) { - _meter->reset(); - } +/** Set up the XML description of a send so that its name is unique. + * @param state XML send state. + * @param session Session. + */ +void +Send::make_unique (XMLNode &state, Session &session) +{ + uint32_t const bitslot = session.next_send_id() + 1; + + char buf[32]; + snprintf (buf, sizeof (buf), "%" PRIu32, bitslot); + state.property("bitslot")->set_value (buf); + + string const name = string_compose (_("send %1"), bitslot); + + state.property("name")->set_value (name); + + XMLNode* io = state.child ("IO"); + + if (io) { + io->property("name")->set_value (name); } } -void -Send::set_metering (bool yn) +bool +Send::set_name (const string& new_name) { - _metering = yn; + string unique_name; + + if (_role == Delivery::Send) { + char buf[32]; + + /* rip any existing numeric part of the name, and append the bitslot + */ + + string::size_type last_letter = new_name.find_last_not_of ("0123456789"); - if (!_metering) { - /* XXX possible thread hazard here */ - peak_meter().reset(); + if (last_letter != string::npos) { + unique_name = new_name.substr (0, last_letter + 1); + } else { + unique_name = new_name; + } + + snprintf (buf, sizeof (buf), "%u", (_bitslot + 1)); + unique_name += buf; + + } else { + unique_name = new_name; } + + return Delivery::set_name (unique_name); } -void -Send::expect_inputs (const ChanCount& expected) +bool +Send::display_to_user () const { - if (expected != _expected_inputs) { - _expected_inputs = expected; - reset_panner (); + /* we ignore Deliver::_display_to_user */ + + if (_role == Listen) { + return false; } + + return true; }