X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsend.cc;h=e74fd7f8ced0327b317debc66578409ac0449a5e;hb=caac41a9cb2d86985595c590b151b0197b7b0c4c;hp=52184dece1e07551d47f70998155af77d8f890ec;hpb=80ee9e6e13718a307dfa7331ce9bfde3146bfec0;p=ardour.git diff --git a/libs/ardour/send.cc b/libs/ardour/send.cc index 52184dece1..e74fd7f8ce 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 @@ -17,50 +17,145 @@ */ +#include #include -#include +#include "pbd/xml++.h" +#include "pbd/boost_debug.h" + +#include "ardour/amp.h" +#include "ardour/send.h" +#include "ardour/session.h" +#include "ardour/buffer_set.h" +#include "ardour/meter.h" +#include "ardour/io.h" -#include -#include -#include -#include -#include -#include #include "i18n.h" +namespace ARDOUR { +class AutomationControl; +class MuteMaster; +class Pannable; +} + 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) +string +Send::name_and_id_new_send (Session& s, Role r, uint32_t& bitslot) { - _metering = false; - ProcessorCreated (this); /* EMIT SIGNAL */ + if (r == Role (0)) { + /* this happens during initial construction of sends from XML, + before they get ::set_state() called. lets not worry about + it. + */ + bitslot = 0; + return string (); + } + + switch (r) { + case Delivery::Aux: + return string_compose (_("aux %1"), (bitslot = s.next_aux_send_id ()) + 1); + case Delivery::Listen: + return _("listen"); // no ports, no need for numbering + case Delivery::Send: + return string_compose (_("send %1"), (bitslot = s.next_send_id ()) + 1); + default: + fatal << string_compose (_("programming error: send created using role %1"), enum_2_string (r)) << endmsg; + /*NOTREACHED*/ + return string(); + } + } -Send::Send (Session& s, const XMLNode& node) - : IOProcessor (s, "send", PreFader) +Send::Send (Session& s, boost::shared_ptr p, boost::shared_ptr mm, Role r) + : Delivery (s, p, mm, name_and_id_new_send (s, r, _bitslot), r) + , _metering (false) { - _metering = false; - - if (set_state (node)) { - throw failed_constructor(); + if (_role == Listen) { + /* we don't need to do this but it keeps things looking clean + in a debugger. _bitslot is not used by listen sends. + */ + _bitslot = 0; } - ProcessorCreated (this); /* EMIT SIGNAL */ + boost_debug_shared_ptr_mark_interesting (this, "send"); + + _amp.reset (new Amp (_session)); + _meter.reset (new PeakMeter (_session, name())); + + add_control (_amp->gain_control ()); +} + +Send::~Send () +{ + _session.unmark_send_id (_bitslot); } -Send::Send (const Send& other) - : IOProcessor (other._session, string_compose (_("send %1"), (bitslot = other._session.next_send_id()) + 1), other.placement()) +void +Send::activate () { - _metering = false; - ProcessorCreated (this); /* EMIT SIGNAL */ + _amp->activate (); + _meter->activate (); + + Processor::activate (); } -Send::~Send () +void +Send::deactivate () { - GoingAway (); + _amp->deactivate (); + _meter->deactivate (); + _meter->reset (); + + Processor::deactivate (); +} + +void +Send::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, pframes_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 */ + + _amp->set_gain_automation_buffer (_session.send_gain_automation_buffer ()); + _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& @@ -70,159 +165,184 @@ Send::get_state(void) } XMLNode& -Send::state(bool full) +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); - node.add_property ("bitslot", buf); + snprintf (buf, sizeof (buf), "%" PRIu32, _bitslot); + + if (_role != Listen) { + node.add_property ("bitslot", buf); + } + + node.add_child_nocopy (_amp->state (full)); 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); + if (version < 3000) { + return set_state_2X (node, version); } - const XMLNode* insert_node = &node; + const XMLProperty* prop; + + Delivery::set_state (node, version); - /* Send has regular IO automation (gain, pan) */ + if (node.property ("ignore-bitslot") == 0) { - 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), Parameter(GainAutomation)); + /* don't try to reset bitslot if there is a node for it already: this can cause + issues with the session's accounting of send ID's + */ + + if ((prop = node.property ("bitslot")) == 0) { + if (_role == Delivery::Aux) { + _bitslot = _session.next_aux_send_id (); + } else if (_role == Delivery::Send) { + _bitslot = _session.next_send_id (); + } else { + // bitslot doesn't matter but make it zero anyway + _bitslot = 0; + } + } else { + if (_role == Delivery::Aux) { + _session.unmark_aux_send_id (_bitslot); + sscanf (prop->value().c_str(), "%" PRIu32, &_bitslot); + _session.mark_aux_send_id (_bitslot); + } else if (_role == Delivery::Send) { + _session.unmark_send_id (_bitslot); + sscanf (prop->value().c_str(), "%" PRIu32, &_bitslot); + _session.mark_send_id (_bitslot); + } else { + // bitslot doesn't matter but make it zero anyway + _bitslot = 0; + } } } - IOProcessor::set_state (*insert_node); + XMLNodeList nlist = node.children(); + for (XMLNodeIterator i = nlist.begin(); i != nlist.end(); ++i) { + if ((*i)->name() == X_("Processor")) { + _amp->set_state (**i, version); + } + } return 0; } -void -Send::run_in_place (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset) +int +Send::set_state_2X (const XMLNode& node, int /* version */) { - if (active()) { - - // we have to copy the input, because IO::deliver_output may alter the buffers - // in-place, which a send must never do. + /* use the IO's name for the name of the send */ + XMLNodeList const & children = node.children (); - BufferSet& sendbufs = _session.get_mix_buffers(bufs.count()); + XMLNodeList::const_iterator i = children.begin(); + while (i != children.end() && (*i)->name() != X_("Redirect")) { + ++i; + } - sendbufs.read_from(bufs, nframes); - assert(sendbufs.count() == bufs.count()); + if (i == children.end()) { + return -1; + } - _io->deliver_output (sendbufs, start_frame, end_frame, nframes, offset); + XMLNodeList const & grand_children = (*i)->children (); + XMLNodeList::const_iterator j = grand_children.begin (); + while (j != grand_children.end() && (*j)->name() != X_("IO")) { + ++j; + } - if (_metering) { - if (_io->_gain == 0) { - _io->_meter->reset(); - } else { - _io->_meter->run(_io->output_buffers(), start_frame, end_frame, nframes, offset); - } - } + if (j == grand_children.end()) { + return -1; + } - } else { - _io->silence (nframes, offset); - - if (_metering) { - _io->_meter->reset(); - } + XMLProperty const * prop = (*j)->property (X_("name")); + if (!prop) { + return -1; } + + set_name (prop->value ()); + + return 0; } -void -Send::set_metering (bool yn) +bool +Send::can_support_io_configuration (const ChanCount& in, ChanCount& out) +{ + /* sends have no impact at all on the channel configuration of the + streams passing through the route. so, out == in. + */ + + out = in; + return true; +} + +/** Caller must hold process lock */ +bool +Send::configure_io (ChanCount in, ChanCount out) { - _metering = yn; + if (!_amp->configure_io (in, out) || !_meter->configure_io (in, out)) { + return false; + } - if (!_metering) { - /* XXX possible thread hazard here */ - _io->peak_meter().reset(); + if (!Processor::configure_io (in, out)) { + return false; } + + reset_panner (); + + return true; } bool -Send::can_support_input_configuration (ChanCount in) 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 true; /* 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) { + snprintf (buf, sizeof (buf), "%u", (_bitslot + 1)); + unique_name += buf; - return true; - } + } else { + unique_name = new_name; } - return false; -} - -ChanCount -Send::output_for_input_configuration (ChanCount in) const -{ - // from the internal (Insert) perspective a Send does not modify its input whatsoever - return in; + 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); - - bool success = _io->ensure_io (ChanCount::ZERO, in, false, this) == 0; + /* we ignore Deliver::_display_to_user */ - if (success) { - Processor::configure_io(in, out); - _io->reset_panner(); - return true; - } else { + if (_role == Listen) { + /* don't make the monitor/control/listen send visible */ return false; } -} -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; + return true; } -ChanCount -Send::input_streams() const +string +Send::value_as_string (boost::shared_ptr ac) const { - return _configured_input; + return _amp->value_as_string (ac); } - +