X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsend.cc;h=6117b09be2053141d1ad584c3a42358b11cf3225;hb=4ee4be1550f24cc2328a205e04a55b970c1d57e0;hp=d562ddff3f2860dcdbde46dc5a5a4351b568921c;hpb=70b939da4f9d4097160e32f2373a7a5ff8f4957f;p=ardour.git diff --git a/libs/ardour/send.cc b/libs/ardour/send.cc index d562ddff3f..6117b09be2 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 @@ -17,87 +17,120 @@ */ +#include #include -#include +#include "pbd/xml++.h" -#include -#include -#include -#include -#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) - : IOProcessor (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; + _amp.reset (new Amp (_session, _mute_master)); + _meter.reset (new PeakMeter (_session)); + ProcessorCreated (this); /* EMIT SIGNAL */ } -Send::Send (Session& s, const XMLNode& node) - : IOProcessor (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(); } ProcessorCreated (this); /* EMIT SIGNAL */ } -Send::Send (const Send& other) - : IOProcessor (other._session, string_compose (_("send %1"), (bitslot = other._session.next_send_id()) + 1), other.placement()) +Send::~Send () { - _metering = false; + GoingAway (); +} - expected_inputs.set (DataType::AUDIO, 0); +void +Send::activate () +{ + _amp->activate (); + _meter->activate (); -#ifdef THIS_NEEDS_FIXING_FOR_V3 + Processor::activate (); +} - /* set up the same outputs, and connect them to the same places */ +void +Send::deactivate () +{ + _amp->deactivate (); + _meter->deactivate (); + _meter->reset (); + + Processor::deactivate (); +} - _io->no_panner_reset = true; +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; + } - for (uint32_t i = 0; i < other.n_outputs (); ++i) { - add_output_port ("", 0); - Port* p = other.output (i); - if (p) { - /* this is what the other send's output is connected to */ - const char **connections = p->get_connections (); - if (connections) { - for (uint32_t c = 0; connections[c]; ++c) { - connect_output (output (i), connections [c], 0); - } - } - } + if (!_active && !_pending_active) { + _meter->reset (); + _output->silence (nframes); + _active = _pending_active; + return; } - - /* setup panner */ - _io->no_panner_reset = false; + // we have to copy the input, because deliver_output() may alter the buffers + // in-place, which a send must never do. - /* copy state */ + BufferSet& sendbufs = _session.get_mix_buffers (bufs.count()); + sendbufs.read_from (bufs, nframes); + assert(sendbufs.count() == bufs.count()); - XMLNode& other_state (const_cast(&other)->_panner->get_state()); - _panner->set_state (other_state); - - delete &other_state; -#endif + /* gain control */ - ProcessorCreated (this); /* EMIT SIGNAL */ -} + // 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); -Send::~Send () -{ - GoingAway (); + /* 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& @@ -109,158 +142,128 @@ Send::get_state(void) XMLNode& Send::state(bool full) { - XMLNode& node = IOProcessor::state(full); + XMLNode& node = Delivery::state(full); char buf[32]; + node.add_property ("type", "send"); - snprintf (buf, sizeof (buf), "%" PRIu32, bitslot); + 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(); + _bitslot = _session.next_send_id(); } else { - sscanf (prop->value().c_str(), "%" PRIu32, &bitslot); - _session.mark_send_id (bitslot); + 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; - /* Send has regular IO automation (gain, pan) */ + /* XXX need to load automation state & data for amp */ - for (niter = nlist.begin(); niter != nlist.end(); ++niter) { - if ((*niter)->name() == "IOProcessor") { - insert_node = *niter; - } else if ((*niter)->name() == X_("Automation")) { - // _io->set_automation_state (*(*niter), Evoral::Parameter(GainAutomation)); - } - } - - IOProcessor::set_state (*insert_node); + Delivery::set_state (*insert_node, version); return 0; } -void -Send::run_in_place (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, 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. - - BufferSet& sendbufs = _session.get_mix_buffers(bufs.count()); + out = in; + return true; +} - sendbufs.read_from(bufs, nframes); - assert(sendbufs.count() == bufs.count()); +bool +Send::configure_io (ChanCount in, ChanCount out) +{ + if (!_amp->configure_io (in, out) || !_meter->configure_io (in, out)) { + return false; + } - _io->deliver_output (sendbufs, start_frame, end_frame, nframes, offset); + if (!Processor::configure_io (in, out)) { + return false; + } - 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); - } - } + reset_panner (); - } else { - _io->silence (nframes, offset); - - if (_metering) { - _io->peak_meter().reset(); - } - } + 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::set_metering (bool yn) +Send::make_unique (XMLNode &state, Session &session) { - _metering = yn; + uint32_t const bitslot = session.next_send_id() + 1; - if (!_metering) { - /* XXX possible thread hazard here */ - _io->peak_meter().reset(); + 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); } } bool -Send::can_support_io_configuration (const ChanCount& in, ChanCount& out_is_ignored) const +Send::set_name (const string& new_name) { - if (_io->input_maximum() == ChanCount::INFINITE && _io->output_maximum() == ChanCount::INFINITE) { + string unique_name; - /* not configured yet */ + if (_role == Delivery::Send) { + char buf[32]; - return 1; /* we can support anything the first time we're asked */ + /* 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"); - /* the "input" config for a port insert corresponds to how - many output ports it will have. - */ + if (last_letter != string::npos) { + unique_name = new_name.substr (0, last_letter + 1); + } else { + unique_name = new_name; + } - if (_io->output_maximum() == in) { - return 1; - } + snprintf (buf, sizeof (buf), "%u", (_bitslot + 1)); + unique_name += buf; + + } else { + unique_name = new_name; } - return -1; + return Delivery::set_name (unique_name); } bool -Send::configure_io (ChanCount in, ChanCount out) +Send::display_to_user () const { - /* we're transparent no matter what. fight the power. */ - - if (out != in) { - return false; - } - - _io->set_output_maximum (in); - _io->set_output_minimum (in); - _io->set_input_maximum (ChanCount::ZERO); - _io->set_input_minimum (ChanCount::ZERO); + /* we ignore Deliver::_display_to_user */ - if (_io->ensure_io (ChanCount::ZERO, in, false, this) != 0) { + if (_role == Listen) { return false; } - Processor::configure_io(in, out); - _io->reset_panner(); - return true; } - -ChanCount -Send::output_streams() 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 _configured_input; -} - -ChanCount -Send::input_streams() const -{ - return _configured_input; -} - - -void -Send::expect_inputs (const ChanCount& expected) -{ - if (expected != expected_inputs) { - expected_inputs = expected; - _io->reset_panner (); - } -}