X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsend.cc;h=4624006ca9b7aac604a196f2eae84e94b0f08eec;hb=c8e3f32533cc6f4481222781d93e7bf7c32ffe5f;hp=7888f89d412894b801196defc24762344aa4ea10;hpb=4aac8ae0e51f848706750abd1a448fbabe55daab;p=ardour.git diff --git a/libs/ardour/send.cc b/libs/ardour/send.cc index 7888f89d41..4624006ca9 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 @@ -15,55 +15,106 @@ 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 -#include -#include +#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 "i18n.h" using namespace ARDOUR; using namespace PBD; +using namespace std; -Send::Send (Session& s, Placement p) - : Redirect (s, string_compose (_("send %1"), (bitslot = s.next_send_id()) + 1), 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; - expected_inputs = 0; - RedirectCreated (this); /* EMIT SIGNAL */ + _amp.reset (new Amp (_session)); + _meter.reset (new PeakMeter (_session)); } -Send::Send (Session& s, const XMLNode& node) - : Redirect (s, "send", PreFader) +Send::~Send () { - _metering = false; - expected_inputs = 0; + _session.unmark_send_id (_bitslot); +} - if (set_state (node)) { - throw failed_constructor(); - } +void +Send::activate () +{ + _amp->activate (); + _meter->activate (); - RedirectCreated (this); /* EMIT SIGNAL */ + Processor::activate (); } -Send::Send (const Send& other) - : Redirect (other._session, string_compose (_("send %1"), (bitslot = other._session.next_send_id()) + 1), other.placement()) +void +Send::deactivate () { - _metering = false; - expected_inputs = 0; - - RedirectCreated (this); /* EMIT SIGNAL */ + _amp->deactivate (); + _meter->deactivate (); + _meter->reset (); + + Processor::deactivate (); } -Send::~Send () +void +Send::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes, bool) { - GoingAway (); + 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& @@ -73,114 +124,133 @@ Send::get_state(void) } XMLNode& -Send::state(bool full) +Send::state (bool full) { - XMLNode *node = new XMLNode("Send"); + XMLNode& node = Delivery::state(full); char buf[32]; - node->add_child_nocopy (Redirect::state (full)); - snprintf (buf, sizeof (buf), "%" PRIu32, bitslot); - node->add_property ("bitslot", buf); - return *node; + + 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; const XMLProperty* prop; - if ((prop = node.property ("bitslot")) == 0) { - bitslot = _session.next_send_id(); - } else { - sscanf (prop->value().c_str(), "%" PRIu32, &bitslot); - _session.mark_send_id (bitslot); - } + Delivery::set_state (node, version); - /* Send has regular IO automation (gain, pan) */ + /* don't try to reset bitslot if its already set: this can cause + issues with the session's accounting of send ID's + */ - for (niter = nlist.begin(); niter != nlist.end(); ++niter) { - if ((*niter)->name() == Redirect::state_node_name) { - Redirect::set_state (**niter); - break; - } else if ((*niter)->name() == X_("Automation")) { - IO::set_automation_state (*(*niter)); - } + if ((prop = node.property ("bitslot")) == 0) { + _bitslot = _session.next_send_id(); + } else { + _session.unmark_send_id (_bitslot); + sscanf (prop->value().c_str(), "%" PRIu32, &_bitslot); + _session.mark_send_id (_bitslot); + } + + /* XXX need to load automation state & data for amp */ + + return 0; +} + +bool +Send::can_support_io_configuration (const ChanCount& in, ChanCount& out) const +{ + /* sends have no impact at all on the channel configuration of the + streams passing through the route. so, out == in. + */ + + out = in; + return true; +} + +bool +Send::configure_io (ChanCount in, ChanCount out) +{ + if (!_amp->configure_io (in, out) || !_meter->configure_io (in, out)) { + return false; } - if (niter == nlist.end()) { - error << _("XML node describing a send is missing a Redirect node") << endmsg; - return -1; + if (!Processor::configure_io (in, out)) { + return false; } - return 0; + reset_panner (); + + return true; } +/** Set up the XML description of a send so that its name is unique. + * @param state XML send state. + * @param session Session. + */ void -Send::run (vector& bufs, uint32_t nbufs, nframes_t nframes, nframes_t offset) +Send::make_unique (XMLNode &state, Session &session) { - if (active()) { + uint32_t const bitslot = session.next_send_id() + 1; + + char buf[32]; + snprintf (buf, sizeof (buf), "%" PRIu32, bitslot); + state.property("bitslot")->set_value (buf); - // we have to copy the input, because IO::deliver_output may alter the buffers - // in-place, which a send must never do. + string const name = string_compose (_("send %1"), bitslot); - vector& sendbufs = _session.get_send_buffers(); + state.property("name")->set_value (name); - for (size_t i=0; i < nbufs; ++i) { - memcpy (sendbufs[i], bufs[i], sizeof (Sample) * nframes); - } - - - IO::deliver_output (sendbufs, nbufs, nframes, offset); + XMLNode* io = state.child ("IO"); - if (_metering) { - uint32_t n; - uint32_t no = n_outputs(); + if (io) { + io->property("name")->set_value (name); + } +} - if (_gain == 0) { +bool +Send::set_name (const string& new_name) +{ + string unique_name; + + if (_role == Delivery::Send) { + char buf[32]; - for (n = 0; n < no; ++n) { - _peak_power[n] = 0; - } + /* rip any existing numeric part of the name, and append the bitslot + */ - } else { + string::size_type last_letter = new_name.find_last_not_of ("0123456789"); - for (n = 0; n < no; ++n) { - _peak_power[n] = Session::compute_peak (output(n)->get_buffer(nframes) + offset, nframes, _peak_power[n]); - } - } + 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 { - silence (nframes, offset); - - if (_metering) { - uint32_t n; - uint32_t no = n_outputs(); - - for (n = 0; n < no; ++n) { - _peak_power[n] = 0; - } - } + unique_name = new_name; } + + return Delivery::set_name (unique_name); } -void -Send::set_metering (bool yn) +bool +Send::display_to_user () const { - _metering = yn; + /* we ignore Deliver::_display_to_user */ - if (!_metering) { - /* XXX possible thread hazard here */ - reset_peak_meters (); + if (_role == Listen) { + /* don't make the monitor/control/listen send visible */ + return false; } -} -void -Send::expect_inputs (uint32_t expected) -{ - if (expected != expected_inputs) { - expected_inputs = expected; - reset_panner (); - } + return true; }