X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fport_insert.cc;h=7a484e2e675aed769eb5418bb4f1566b96853cc1;hb=66760a574a1fc0ccc8a798c2900a717c134838ea;hp=e14835b0832bda0491bdbe706e06746b37082f14;hpb=a1052b0eca7bdc8ec1e3ac2996cd16bb48e2a6d2;p=ardour.git diff --git a/libs/ardour/port_insert.cc b/libs/ardour/port_insert.cc index e14835b083..7a484e2e67 100644 --- a/libs/ardour/port_insert.cc +++ b/libs/ardour/port_insert.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2000,2007 Paul Davis + Copyright (C) 2000,2007 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 @@ -19,20 +19,21 @@ #include -#include -#include -#include +#include "pbd/failed_constructor.h" +#include "pbd/xml++.h" -#include -#include -#include -#include -#include - -#include -#include -#include +#include "ardour/audioengine.h" +#include "ardour/audio_port.h" +#include "ardour/buffer_set.h" +#include "ardour/delivery.h" +#include "ardour/mtdm.h" +#include "ardour/plugin.h" +#include "ardour/port.h" +#include "ardour/port_insert.h" +#include "ardour/route.h" +#include "ardour/session.h" +#include "ardour/types.h" #include "i18n.h" @@ -40,65 +41,98 @@ using namespace std; using namespace ARDOUR; using namespace PBD; -PortInsert::PortInsert (Session& s, Placement p) - : IOProcessor (s, string_compose (_("insert %1"), (bitslot = s.next_insert_id()) + 1), p, 1, -1, 1, -1) +PortInsert::PortInsert (Session& s, boost::shared_ptr mm) + : IOProcessor (s, true, true, string_compose (_("insert %1"), (bitslot = s.next_insert_id()) + 1), "") + , _out (new Delivery (s, _output, mm, _name, Delivery::Insert)) { - init (); - ProcessorCreated (this); /* EMIT SIGNAL */ + _mtdm = 0; + _latency_detect = false; + _latency_flush_frames = false; + _measured_latency = 0; } -PortInsert::PortInsert (const PortInsert& other) - : IOProcessor (other._session, string_compose (_("insert %1"), (bitslot = other._session.next_insert_id()) + 1), other.placement(), 1, -1, 1, -1) +PortInsert::~PortInsert () { - init (); - ProcessorCreated (this); /* EMIT SIGNAL */ + _session.unmark_insert_id (bitslot); + delete _mtdm; } void -PortInsert::init () +PortInsert::start_latency_detection () { - if (_io->add_input_port ("", this)) { - error << _("PortInsert: cannot add input port") << endmsg; - throw failed_constructor(); - } - - if (_io->add_output_port ("", this)) { - error << _("PortInsert: cannot add output port") << endmsg; - throw failed_constructor(); - } + if (_mtdm != 0) { + delete _mtdm; + } + + _mtdm = new MTDM; + _latency_flush_frames = false; + _latency_detect = true; + _measured_latency = 0; } -PortInsert::PortInsert (Session& s, const XMLNode& node) - : IOProcessor (s, "unnamed port insert", PreFader) +void +PortInsert::stop_latency_detection () { - if (set_state (node)) { - throw failed_constructor(); - } - - ProcessorCreated (this); /* EMIT SIGNAL */ + _latency_flush_frames = signal_latency() + _session.engine().frames_per_cycle(); + _latency_detect = false; } -PortInsert::~PortInsert () +void +PortInsert::set_measured_latency (nframes_t n) { - GoingAway (); + _measured_latency = n; } void -PortInsert::run_in_place (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset) +PortInsert::run (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes, bool) { - if (_io->n_outputs().n_total() == 0) { + if (_output->n_ports().n_total() == 0) { return; } - if (!active()) { + if (_latency_detect) { + + if (_input->n_ports().n_audio() != 0) { + + AudioBuffer& outbuf (_output->ports().nth_audio_port(0)->get_audio_buffer (nframes)); + Sample* in = _input->ports().nth_audio_port(0)->get_audio_buffer (nframes).data(); + Sample* out = outbuf.data(); + + _mtdm->process (nframes, in, out); + + outbuf.is_silent (false); + } + + return; + + } else if (_latency_flush_frames) { + + /* wait for the entire input buffer to drain before picking up input again so that we can't + hear the remnants of whatever MTDM pumped into the pipeline. + */ + + silence (nframes); + + if (_latency_flush_frames > nframes) { + _latency_flush_frames -= nframes; + } else { + _latency_flush_frames = 0; + } + + return; + } + + if (!_active && !_pending_active) { /* deliver silence */ - _io->silence (nframes, offset); - return; + silence (nframes); + goto out; } - _io->deliver_output(bufs, start_frame, end_frame, nframes, offset); + _out->run (bufs, start_frame, end_frame, nframes, true); + _input->collect_input (bufs, nframes, ChanCount::ZERO); - _io->collect_input(bufs, nframes, offset); + out: + _active = _pending_active; } XMLNode& @@ -110,7 +144,7 @@ PortInsert::get_state(void) XMLNode& PortInsert::state (bool full) { - XMLNode& node = IOProcessor::state(full); + XMLNode& node = Processor::state(full); char buf[32]; node.add_property ("type", "port"); snprintf (buf, sizeof (buf), "%" PRIu32, bitslot); @@ -120,18 +154,30 @@ PortInsert::state (bool full) } int -PortInsert::set_state(const XMLNode& node) +PortInsert::set_state (const XMLNode& node, int version) { XMLNodeList nlist = node.children(); XMLNodeIterator niter; XMLPropertyList plist; const XMLProperty *prop; + const XMLNode* insert_node = &node; + + // legacy sessions: search for child IOProcessor node + for (niter = nlist.begin(); niter != nlist.end(); ++niter) { + if ((*niter)->name() == "IOProcessor") { + insert_node = *niter; + break; + } + } + + Processor::set_state (*insert_node, version); + if ((prop = node.property ("type")) == 0) { error << _("XML node describing port insert is missing the `type' field") << endmsg; return -1; } - + if (prop->value() != "port") { error << _("non-port insert XML used for port plugin insert") << endmsg; return -1; @@ -140,26 +186,15 @@ PortInsert::set_state(const XMLNode& node) if ((prop = node.property ("bitslot")) == 0) { bitslot = _session.next_insert_id(); } else { + _session.unmark_insert_id (bitslot); sscanf (prop->value().c_str(), "%" PRIu32, &bitslot); _session.mark_insert_id (bitslot); } - const XMLNode* insert_node = &node; - - // legacy sessions: search for child IOProcessor node - for (niter = nlist.begin(); niter != nlist.end(); ++niter) { - if ((*niter)->name() == "IOProcessor") { - insert_node = *niter; - break; - } - } - - IOProcessor::set_state (*insert_node); - return 0; } -ARDOUR::nframes_t +ARDOUR::nframes_t PortInsert::signal_latency() const { /* because we deliver and collect within the same cycle, @@ -169,78 +204,58 @@ PortInsert::signal_latency() const need to take that into account too. */ - return _session.engine().frames_per_cycle() + _io->input_latency(); + if (_measured_latency == 0) { + return _session.engine().frames_per_cycle() + _input->signal_latency(); + } else { + return _measured_latency; + } } bool -PortInsert::can_support_input_configuration (ChanCount in) const +PortInsert::configure_io (ChanCount in, ChanCount out) { - if (_io->input_maximum() == ChanCount::INFINITE && _io->output_maximum() == ChanCount::INFINITE) { - - /* not configured yet */ - - return true; /* we can support anything the first time we're asked */ + /* for an insert, processor input corresponds to IO output, and vice versa */ - } else { - - /* the "input" config for a port insert corresponds to how - many output ports it will have. - */ - - if (_io->output_maximum() == in) { + if (_input->ensure_io (in, false, this) != 0) { + return false; + } - return true; - } + if (_output->ensure_io (out, false, this) != 0) { + return false; } - return false; + return Processor::configure_io (in, out); } -ChanCount -PortInsert::output_for_input_configuration (ChanCount in) const +bool +PortInsert::can_support_io_configuration (const ChanCount& in, ChanCount& out) const { - return in; + out = in; + return true; } bool -PortInsert::configure_io (ChanCount in, ChanCount out) +PortInsert::set_name (const std::string& name) { - /* do not allow configuration to be changed outside the range of - the last request config. or something like that. - */ - - - /* this is a bit odd: - - the number of inputs we are required to handle corresponds - to the number of output ports we need. - - the number of outputs we are required to have corresponds - to the number of input ports we need. - */ + bool ret = Processor::set_name (name); - _io->set_output_maximum (in); - _io->set_output_minimum (in); - _io->set_input_maximum (out); - _io->set_input_minimum (out); + ret = (ret && _input->set_name (name) && _output->set_name (name)); - bool success = (_io->ensure_io (out, in, false, this) == 0); - - if (success) - return Processor::configure_io(in, out); - else - return false; + return ret; } -ChanCount -PortInsert::output_streams() const +void +PortInsert::activate () { - return _io->n_inputs (); + IOProcessor::activate (); + + _out->activate (); } -ChanCount -PortInsert::input_streams() const +void +PortInsert::deactivate () { - return _io->n_outputs (); -} + IOProcessor::deactivate (); + _out->deactivate (); +}