X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsend.cc;h=e74fd7f8ced0327b317debc66578409ac0449a5e;hb=caac41a9cb2d86985595c590b151b0197b7b0c4c;hp=1479eab420566fe5247d7c9ef0a9b406cad1541c;hpb=bcd511aa3fec59e1527c8b7ab80dabda4db1a6f9;p=ardour.git diff --git a/libs/ardour/send.cc b/libs/ardour/send.cc index 1479eab420..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 @@ -15,65 +15,147 @@ 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 "pbd/boost_debug.h" -#include -#include -#include +#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 "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) - : Redirect (s, s.next_send_name(), p) +string +Send::name_and_id_new_send (Session& s, Role r, uint32_t& bitslot) { - _metering = false; - expected_inputs = 0; -#ifdef STATE_MANAGER - save_state (_("initial state")); -#endif - RedirectCreated (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) - : Redirect (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; - expected_inputs = 0; - - 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; } -#ifdef STATE_MANAGER - save_state (_("initial state")); -#endif + 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); +} + +void +Send::activate () +{ + _amp->activate (); + _meter->activate (); - RedirectCreated (this); /* EMIT SIGNAL */ + Processor::activate (); } -Send::Send (const Send& other) - : Redirect (other._session, other._session.next_send_name(), other.placement()) +void +Send::deactivate () { - _metering = false; - expected_inputs = 0; -#ifdef STATE_MANAGER - save_state (_("initial state")); -#endif + _amp->deactivate (); + _meter->deactivate (); + _meter->reset (); - RedirectCreated (this); /* EMIT SIGNAL */ + Processor::deactivate (); } -Send::~Send () +void +Send::run (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, pframes_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 */ + + _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& @@ -83,99 +165,184 @@ Send::get_state(void) } XMLNode& -Send::state(bool full) +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); + + 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; + if (version < 3000) { + return set_state_2X (node, version); + } + + const XMLProperty* prop; + + Delivery::set_state (node, version); + + if (node.property ("ignore-bitslot") == 0) { + + /* 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; + } + } + } - for (niter = nlist.begin(); niter != nlist.end(); ++niter) { - if ((*niter)->name() == Redirect::state_node_name) { - Redirect::set_state (**niter); - break; + XMLNodeList nlist = node.children(); + for (XMLNodeIterator i = nlist.begin(); i != nlist.end(); ++i) { + if ((*i)->name() == X_("Processor")) { + _amp->set_state (**i, version); } } - if (niter == nlist.end()) { - error << _("XML node describing a send is missing a Redirect node") << endmsg; + return 0; +} + +int +Send::set_state_2X (const XMLNode& node, int /* version */) +{ + /* use the IO's name for the name of the send */ + XMLNodeList const & children = node.children (); + + XMLNodeList::const_iterator i = children.begin(); + while (i != children.end() && (*i)->name() != X_("Redirect")) { + ++i; + } + + if (i == children.end()) { + return -1; + } + + XMLNodeList const & grand_children = (*i)->children (); + XMLNodeList::const_iterator j = grand_children.begin (); + while (j != grand_children.end() && (*j)->name() != X_("IO")) { + ++j; + } + + if (j == grand_children.end()) { return -1; } + XMLProperty const * prop = (*j)->property (X_("name")); + if (!prop) { + return -1; + } + + set_name (prop->value ()); + return 0; } -void -Send::run (vector& bufs, uint32_t nbufs, nframes_t nframes, nframes_t offset) +bool +Send::can_support_io_configuration (const ChanCount& in, ChanCount& out) { - 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; +} - vector& sendbufs = _session.get_send_buffers(); +/** Caller must hold process lock */ +bool +Send::configure_io (ChanCount in, ChanCount out) +{ + if (!_amp->configure_io (in, out) || !_meter->configure_io (in, out)) { + return false; + } - for (size_t i=0; i < nbufs; ++i) { - memcpy (sendbufs[i], bufs[i], sizeof (Sample) * nframes); - } - - - IO::deliver_output (sendbufs, nbufs, nframes, offset); + if (!Processor::configure_io (in, out)) { + return false; + } - if (_metering) { - uint32_t n; - uint32_t no = n_outputs(); + reset_panner (); - if (_gain == 0) { + return true; +} - for (n = 0; n < no; ++n) { - _peak_power[n] = 0; - } +bool +Send::set_name (const string& new_name) +{ + string unique_name; - } else { + if (_role == Delivery::Send) { + char buf[32]; - for (n = 0; n < no; ++n) { - _peak_power[n] = Session::compute_peak (output(n)->get_buffer(nframes) + offset, nframes, _peak_power[n]); - } - } - } + /* rip any existing numeric part of the name, and append the bitslot + */ - } else { - silence (nframes, offset); - - if (_metering) { - uint32_t n; - uint32_t no = n_outputs(); + string::size_type last_letter = new_name.find_last_not_of ("0123456789"); - for (n = 0; n < no; ++n) { - _peak_power[n] = 0; - } + 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::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; } + + return true; } -void -Send::expect_inputs (uint32_t expected) +string +Send::value_as_string (boost::shared_ptr ac) const { - if (expected != expected_inputs) { - expected_inputs = expected; - reset_panner (); - } + return _amp->value_as_string (ac); } + +